/* DersX v1.1 additions and visual refresh */
:root {
  --v11-purple: #6256d9;
  --v11-purple-dark: #3f3a9f;
  --v11-surface: #ffffff;
  --v11-line: #e6e9f1;
  --v11-ink: #242b3d;
  --v11-muted: #737c91;
}

/* Landing website */
.landing-page {
  background:
    radial-gradient(circle at 85% 7%, rgba(139, 124, 246, .14), transparent 28%),
    radial-gradient(circle at 10% 32%, rgba(70, 199, 171, .11), transparent 25%),
    #f7f8fc;
}
.landing-page .app-shell { min-height: 100vh; }
.landing-header {
  width: min(1180px, calc(100% - 36px));
  height: 76px;
  margin: auto;
  display: flex;
  align-items: center;
  gap: 28px;
}
.landing-header .brand { font-size: 20px; }
.landing-nav { display: flex; gap: 24px; margin-left: auto; color: #5d667a; font-weight: 650; }
.landing-nav a:hover { color: var(--primary); }
.landing-actions { display: flex; gap: 10px; }
.landing-hero {
  width: min(1180px, calc(100% - 36px));
  min-height: 610px;
  margin: 24px auto 30px;
  display: grid;
  grid-template-columns: 1.02fr .98fr;
  gap: 42px;
  align-items: center;
}
.landing-copy h1 {
  margin: 14px 0 18px;
  font-size: clamp(42px, 5vw, 70px);
  line-height: .99;
  letter-spacing: -.045em;
  max-width: 760px;
}
.landing-copy h1 span { color: var(--primary); }
.landing-copy > p { max-width: 650px; color: var(--muted); font-size: 18px; line-height: 1.75; }
.landing-cta { display: flex; gap: 12px; margin: 30px 0 20px; flex-wrap: wrap; }
.landing-note { display: flex; gap: 18px; flex-wrap: wrap; color: #5d667a; font-size: 13px; }
.landing-note span::before { content: "✓"; color: #159a78; font-weight: 900; margin-right: 7px; }
.hero-app-preview {
  padding: 18px;
  border-radius: 30px;
  background: linear-gradient(145deg, #292d55, #4e4b9f);
  box-shadow: 0 34px 90px rgba(52, 53, 125, .28);
  transform: rotate(1deg);
}
.preview-window { background: #fff; border-radius: 20px; overflow: hidden; }
.preview-top { height: 45px; display: flex; align-items: center; gap: 7px; padding: 0 16px; border-bottom: 1px solid #e8eaf0; }
.preview-top i { width: 9px; height: 9px; border-radius: 50%; background: #d8dce7; }
.preview-top b { margin-left: 8px; font-size: 12px; color: #657086; }
.preview-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; padding: 14px; }
.preview-stats div { background: #f6f7fb; border-radius: 12px; padding: 12px; }
.preview-stats b { display: block; font-size: 22px; }
.preview-stats span { font-size: 9px; color: #7d8598; }
.preview-schedule { padding: 0 14px 14px; overflow: hidden; }
.preview-row { display: grid; grid-template-columns: 56px repeat(5, 1fr); gap: 4px; margin-top: 4px; }
.preview-row > * { min-height: 40px; border-radius: 7px; display: grid; place-items: center; font-size: 8px; background: #f5f6fa; }
.preview-row strong { background: #eef0f7; }
.preview-row span:nth-child(3n+2) { background: #eceaff; color: #514bb1; }
.preview-row span:nth-child(4n+3) { background: #e9f8f3; color: #16735f; }
.preview-row span:nth-child(5n+4) { background: #fff1ec; color: #a45139; }
.landing-section { width: min(1180px, calc(100% - 36px)); margin: 100px auto; }
.section-intro { max-width: 720px; margin-bottom: 35px; }
.section-intro h2 { font-size: 38px; margin: 10px 0; letter-spacing: -.025em; }
.section-intro p { color: var(--muted); font-size: 16px; line-height: 1.7; }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.feature-card { background: #fff; border: 1px solid var(--line); border-radius: 22px; padding: 25px; box-shadow: 0 8px 28px rgba(45, 53, 90, .05); }
.feature-card .feature-icon { width: 46px; height: 46px; border-radius: 14px; display: grid; place-items: center; background: var(--soft); color: var(--primary); font-size: 22px; }
.feature-card h3 { margin: 18px 0 8px; }
.feature-card p { color: var(--muted); line-height: 1.65; }
.how-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; counter-reset: step; }
.how-card { position: relative; border-radius: 20px; padding: 23px; background: #fff; border: 1px solid var(--line); }
.how-card::before { counter-increment: step; content: counter(step); width: 32px; height: 32px; border-radius: 10px; background: var(--primary); color: #fff; display: grid; place-items: center; font-weight: 800; }
.how-card h3 { margin: 17px 0 7px; }
.how-card p { color: var(--muted); font-size: 13px; line-height: 1.6; }
.landing-banner { border-radius: 30px; background: linear-gradient(120deg, #2d315e, #5d57cb); color: #fff; padding: 50px; display: flex; justify-content: space-between; align-items: center; gap: 30px; }
.landing-banner h2 { font-size: 36px; margin: 0 0 10px; }
.landing-banner p { color: #dfe0ff; max-width: 640px; }
.landing-footer { padding: 35px 20px; text-align: center; color: var(--muted); border-top: 1px solid var(--line); }

/* Auth refresh */
.auth-page .app-shell { min-height: 100vh; }
.auth-back { position: fixed; left: 24px; top: 20px; z-index: 3; color: #606a7f; font-weight: 650; }
.auth-side-copy { color: #fff; max-width: 520px; }
.auth-side-copy h2 { font-size: 44px; line-height: 1.08; margin: 15px 0; }
.auth-side-copy p { color: #dfe0ff; font-size: 16px; line-height: 1.7; }
.auth-benefits { display: grid; gap: 12px; margin-top: 28px; }
.auth-benefits span { background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.12); border-radius: 13px; padding: 12px 14px; }

/* Admin dark mode */
.admin-page {
  --bg: #0f1320;
  --panel: #171c2c;
  --ink: #edf0f8;
  --muted: #9ba5bd;
  --line: #293147;
  --soft: #242945;
  background: #0f1320;
  color: var(--ink);
}
.admin-page .topbar { background: rgba(17, 22, 35, .94); border-color: var(--line); }
.admin-page .topbar nav a { color: #aab3c7; }
.admin-page .page-heading p,
.admin-page td small.block,
.admin-page .kpi span { color: var(--muted); }
.admin-page .kpi,
.admin-page .panel { background: var(--panel); border-color: var(--line); box-shadow: none; }
.admin-page th,
.admin-page td { border-color: var(--line); }
.admin-page input,
.admin-page select,
.admin-page textarea { background: #111725; color: #edf0f8; border-color: #313a52; }
.admin-page .modal { background: #171c2c; color: #edf0f8; }
.admin-page .modal-close { background: #252c40; color: #fff; }
.admin-page .btn.soft { background: #242b3f; color: #dfe4ef; }
.admin-page .btn.text { color: #aaa5ff; }
.admin-page .badge.neutral { background: #262d42; color: #c7cede; }
.admin-page .admin-toolbar { display: flex; gap: 9px; }
.admin-theme-toggle { min-width: 42px; }
.admin-page.admin-light {
  --bg: #f5f7fb;
  --panel: #fff;
  --ink: #20283b;
  --muted: #6f7890;
  --line: #e6eaf2;
  --soft: #f0efff;
  background: var(--bg);
  color: var(--ink);
}
.admin-page.admin-light .topbar { background: rgba(255,255,255,.94); }
.admin-page.admin-light .topbar nav a { color: #586176; }
.admin-page.admin-light .kpi,
.admin-page.admin-light .panel { background: #fff; }
.admin-page.admin-light input,
.admin-page.admin-light select,
.admin-page.admin-light textarea { background: #fff; color: var(--ink); border-color: #dfe3ec; }
.admin-page.admin-light .modal { background: #fff; color: var(--ink); }
.admin-page.admin-light .btn.soft { background: #f1f3f8; color: #424c63; }

/* Workspace visual refinement */
.workspace-sidebar { background: linear-gradient(180deg, #222641, #171b2f); }
.workspace-toolbar { min-height: 68px; height: auto; padding-top: 10px; padding-bottom: 10px; }
.workspace-content { max-width: none; padding: 22px; }
.workspace-title { align-items: center; }
.workspace-title h1 { font-size: 25px; letter-spacing: -.02em; }
.workspace-title p { font-size: 13px; }
.v11-overview { grid-template-columns: minmax(0, 1.4fr) minmax(310px, .6fr); }
.welcome-v11 { padding: 34px; }
.welcome-v11 h2 { max-width: 760px; font-size: 32px; letter-spacing: -.025em; }
.start-actions { display: flex; gap: 10px; flex-wrap: wrap; margin: 24px 0; }
.workflow-strip { display: grid; grid-template-columns: repeat(4, 1fr); gap: 9px; }
.workflow-strip span { padding: 12px; background: rgba(255,255,255,.8); border: 1px solid var(--line); border-radius: 13px; color: #606a7e; font-size: 12px; }
.workflow-strip b { display: inline-grid; width: 23px; height: 23px; place-items: center; border-radius: 8px; background: var(--soft); color: var(--primary); margin-right: 5px; }
.demo-callout { margin-top: 20px; border-radius: 13px; background: #fff8e9; color: #8b5a0b; padding: 13px; font-size: 12px; }
.fixed-level-note { margin-bottom: 16px; padding: 16px; background: #fff; border: 1px solid var(--line); border-radius: 16px; }
.fixed-level-note b,
.fixed-level-note > span { display: block; }
.fixed-level-note > span { color: var(--muted); font-size: 12px; margin-top: 4px; }
.level-badges { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 12px; }
.level-badges span,
.mini-level,
.level-chip { display: inline-flex; align-items: center; justify-content: center; min-width: 30px; height: 26px; padding: 0 8px; border-radius: 8px; background: #f0efff; color: #514db0; font-size: 11px; font-weight: 800; }
.level-picker { display: grid; grid-template-columns: repeat(7, 1fr); gap: 7px; margin-top: 9px; }
.level-picker label { display: block; cursor: pointer; }
.level-picker input { position: absolute; opacity: 0; pointer-events: none; }
.level-picker span { display: grid; place-items: center; min-height: 38px; border: 1px solid var(--line); border-radius: 10px; background: #fff; font-size: 12px; }
.level-picker input:checked + span { background: var(--primary); border-color: var(--primary); color: #fff; }
.field-title { font-size: 13px; }

/* Settings page */
.settings-page { display: grid; grid-template-columns: minmax(280px, .65fr) minmax(560px, 1.35fr); gap: 18px; }
.settings-card { background: #fff; border: 1px solid var(--line); border-radius: 19px; padding: 20px; }
.settings-card-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 15px; margin-bottom: 17px; }
.settings-card h3 { margin: 0; }
.settings-card p { color: var(--muted); font-size: 12px; margin: 5px 0 0; }
.day-toggle-grid { display: grid; gap: 8px; }
.day-toggle { display: block; cursor: pointer; }
.day-toggle input { position: absolute; opacity: 0; }
.day-toggle span { display: flex; justify-content: space-between; align-items: center; border: 1px solid var(--line); border-radius: 13px; padding: 12px 13px; transition: .15s ease; }
.day-toggle small { color: #a84b5c; }
.day-toggle input:checked + span { background: #eff9f5; border-color: #bde8dc; }
.day-toggle input:checked + span small { color: #087b63; }
.period-editor { display: grid; gap: 8px; }
.period-row { display: grid; grid-template-columns: 38px minmax(130px, 1fr) 130px 130px 36px; gap: 8px; align-items: end; padding: 10px; background: #f8f9fc; border: 1px solid var(--line); border-radius: 13px; }
.period-row label { font-size: 10px; gap: 4px; }
.period-row input { padding: 8px 9px; border-radius: 9px; }
.period-index { width: 31px; height: 31px; border-radius: 9px; background: var(--primary); color: #fff; display: grid; place-items: center; font-weight: 800; margin-bottom: 1px; }

/* Compact aSc-inspired distribution */
.schedule-stats-row { display: grid; grid-template-columns: repeat(4, minmax(120px, 1fr)); gap: 10px; margin-bottom: 12px; }
.schedule-stats-row > div { background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 12px 15px; }
.schedule-stats-row b { font-size: 23px; display: block; line-height: 1; }
.schedule-stats-row span { font-size: 10px; color: var(--muted); }
.schedule-stats-row .has-conflict { border-color: #efb6c1; background: #fff5f6; }
.schedule-stats-row .has-conflict b { color: var(--red); }
.distribution-shell { display: grid; grid-template-columns: 270px minmax(0, 1fr); gap: 12px; align-items: start; }
.lesson-pool,
.distribution-main { background: #fff; border: 1px solid var(--line); border-radius: 17px; overflow: hidden; }
.lesson-pool { position: sticky; top: 90px; max-height: calc(100vh - 115px); display: flex; flex-direction: column; }
.pool-head { padding: 14px; display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid var(--line); }
.pool-head h3 { margin: 0; font-size: 15px; }
.pool-head span { display: block; color: var(--muted); font-size: 10px; margin-top: 2px; }
.pool-search,
.lesson-pool select { margin: 10px 12px 0; width: calc(100% - 24px); padding: 9px 10px; border-radius: 10px; font-size: 12px; }
.pool-help { padding: 10px 13px; color: var(--muted); font-size: 10px; line-height: 1.45; }
.pool-list { padding: 0 10px 12px; overflow: auto; display: grid; gap: 7px; }
.pool-card { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 8px; align-items: center; padding: 9px 9px 9px 11px; border: 1px solid #e1e4ec; border-left: 4px solid var(--lesson-color); border-radius: 10px; background: color-mix(in srgb, var(--lesson-color) 8%, white); cursor: grab; transition: .12s ease; }
.pool-card:hover { transform: translateX(2px); box-shadow: 0 5px 15px rgba(38, 46, 78, .08); }
.pool-card.selected { outline: 2px solid var(--primary); outline-offset: 1px; }
.pool-card b { font-size: 11px; display: block; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.pool-card span { font-size: 9px; color: #687186; display: block; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.pool-card-meta { text-align: right; }
.pool-card-meta strong { display: block; font-size: 10px; color: #3d4660; }
.pool-card-meta small { font-size: 8px; color: var(--muted); }
.pool-empty { color: var(--muted); text-align: center; padding: 35px 12px; font-size: 12px; }
.distribution-toolbar { min-height: 54px; padding: 9px 11px; display: flex; justify-content: space-between; align-items: center; gap: 12px; border-bottom: 1px solid var(--line); }
.level-filter { display: flex; gap: 6px; overflow: auto; }
.level-filter button { white-space: nowrap; border: 1px solid var(--line); background: #fff; color: #687186; border-radius: 9px; padding: 7px 10px; font-size: 10px; font-weight: 700; cursor: pointer; }
.level-filter button.active { background: var(--primary); border-color: var(--primary); color: #fff; }
.distribution-actions { display: flex; gap: 5px; }
.distribution-table-wrap { overflow: auto; max-height: calc(100vh - 230px); }
.distribution-table { width: max-content; min-width: 100%; table-layout: fixed; border-collapse: separate; border-spacing: 0; }
.distribution-table th,
.distribution-table td { border-right: 1px solid #e3e6ed; border-bottom: 1px solid #e3e6ed; padding: 0; text-align: center; }
.distribution-table thead th { position: sticky; z-index: 7; background: #f5f6fa; }
.distribution-table thead tr:first-child th { top: 0; height: 32px; }
.distribution-table thead tr:nth-child(2) th { top: 32px; height: 38px; }
.distribution-table .day-group { min-width: 540px; font-size: 10px; letter-spacing: .06em; color: #4b556d; }
.distribution-table .period-col { width: 60px; min-width: 60px; }
.distribution-table .period-col b { display: block; font-size: 10px; }
.distribution-table .period-col small { display: block; color: #9098a9; font-size: 7px; margin-top: 2px; }
.class-sticky { position: sticky; left: 0; z-index: 5; width: 106px; min-width: 106px; background: #f8f9fc !important; padding: 8px !important; text-align: left !important; }
.class-sticky.top-left { z-index: 10; top: 0; text-align: center !important; font-size: 9px; }
.class-sticky b { display: block; font-size: 11px; }
.class-sticky small { color: var(--muted); font-size: 8px; }
.class-color { display: inline-block; width: 7px; height: 7px; border-radius: 50%; margin-right: 4px; }
.distribution-cell { width: 60px; min-width: 60px; height: 55px; background: #fff; position: relative; transition: .08s ease; }
.distribution-cell:hover { background: #f5f4ff; box-shadow: inset 0 0 0 2px #d6d2ff; }
.distribution-cell.drop-valid { background: #ecf9f4; box-shadow: inset 0 0 0 2px #65c9aa; }
.distribution-cell.drop-invalid { background: #fff0f2; box-shadow: inset 0 0 0 2px #df6d83; }
.distribution-cell.class-closed { background: repeating-linear-gradient(135deg, #f1f2f5, #f1f2f5 5px, #e6e8ed 5px, #e6e8ed 10px); color: #a0a6b3; cursor: not-allowed; }
.distribution-cell.class-closed:hover { box-shadow: none; }
.distribution-cell.occupied { padding: 3px; background: #fff; }
.compact-lesson { min-height: 48px; height: 100%; border-radius: 8px; border-left: 4px solid var(--lesson-color); background: color-mix(in srgb, var(--lesson-color) 14%, white); padding: 6px 22px 5px 7px; position: relative; cursor: grab; overflow: hidden; text-align: left; box-shadow: 0 2px 7px rgba(41, 48, 74, .07); }
.compact-lesson.selected { outline: 2px solid var(--primary); }
.compact-lesson b { display: block; font-size: 10px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.compact-lesson span { display: block; font-size: 8px; color: #596277; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.compact-lesson small { display: block; font-size: 7px; color: #798196; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.compact-lesson i { position: absolute; right: 5px; bottom: 3px; font-size: 7px; color: #7f8799; font-style: normal; }
.lesson-lock { position: absolute; top: 3px; right: 3px; width: 19px; height: 19px; border: 0; border-radius: 6px; background: rgba(255,255,255,.65); color: #555f75; cursor: pointer; padding: 0; font-size: 10px; }
.conflict-cell .compact-lesson { outline: 2px solid var(--red); }
.dragging { opacity: .45; }

/* Modal sizing */
.modal-workspace { max-width: 720px; }
.modal-workspace .form-grid { grid-template-columns: 1fr 1fr; }
.modal-workspace small { color: var(--muted); font-weight: 500; }

@media (max-width: 1050px) {
  .landing-hero { grid-template-columns: 1fr; min-height: 0; }
  .hero-app-preview { max-width: 760px; margin: auto; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .how-grid { grid-template-columns: repeat(2, 1fr); }
  .settings-page { grid-template-columns: 1fr; }
  .distribution-shell { grid-template-columns: 230px minmax(0,1fr); }
}

@media (max-width: 760px) {
  .landing-header { height: auto; padding: 15px 0; flex-wrap: wrap; }
  .landing-nav { display: none; }
  .landing-actions { margin-left: auto; }
  .landing-hero { margin-top: 10px; }
  .landing-copy h1 { font-size: 44px; }
  .feature-grid,
  .how-grid { grid-template-columns: 1fr; }
  .landing-banner { padding: 30px 24px; flex-direction: column; align-items: flex-start; }
  .landing-banner h2 { font-size: 29px; }
  .auth-back { position: absolute; }
  .workflow-strip { grid-template-columns: 1fr 1fr; }
  .v11-overview { grid-template-columns: 1fr; }
  .settings-page { display: block; }
  .settings-card + .settings-card { margin-top: 12px; }
  .period-row { grid-template-columns: 32px 1fr 1fr 36px; }
  .period-row label:first-of-type { grid-column: 2 / 4; }
  .distribution-shell { display: block; }
  .lesson-pool { position: static; max-height: 280px; margin-bottom: 10px; }
  .distribution-toolbar { align-items: flex-start; flex-direction: column; }
  .distribution-table-wrap { max-height: calc(100vh - 430px); }
  .schedule-stats-row { grid-template-columns: 1fr 1fr; }
  .level-picker { grid-template-columns: repeat(4, 1fr); }
}

@media print {
  .lesson-pool,
  .distribution-toolbar,
  .schedule-stats-row { display: none !important; }
  .distribution-shell { display: block; }
  .distribution-main { border: 0; }
  .distribution-table-wrap { overflow: visible; max-height: none; }
  .distribution-table { transform-origin: top left; font-size: 7px; }
  .distribution-cell { min-width: 36px; width: 36px; height: 42px; }
  .distribution-table .period-col { min-width: 36px; width: 36px; }
  .class-sticky { min-width: 70px; width: 70px; }
  .compact-lesson { min-height: 36px; padding: 4px; }
  .lesson-lock { display: none; }
}


/* v1.2 — focused, touch-first single-class distribution workspace */
.schedule-workspace-content { max-width: none; padding: 16px; }
.schedule-studio { display: flex; flex-direction: column; gap: 12px; min-width: 0; }
.schedule-focus-bar { display: flex; align-items: center; justify-content: space-between; gap: 14px; background: #fff; border: 1px solid var(--line); border-radius: 17px; padding: 11px 12px; }
.schedule-class-picker-wrap { display: flex; align-items: center; gap: 13px; min-width: 0; flex: 1; }
.schedule-focus-label { flex: 0 0 auto; min-width: 132px; }
.schedule-focus-label b,
.schedule-focus-label span { display: block; }
.schedule-focus-label b { font-size: 13px; color: #30384c; }
.schedule-focus-label span { margin-top: 2px; font-size: 9px; color: var(--muted); }
.touch-class-picker { display: flex; gap: 8px; overflow-x: auto; padding: 2px 3px 4px; min-width: 0; scrollbar-width: thin; }
.touch-class-card { min-width: 138px; min-height: 52px; border: 1px solid #dfe3ec; border-radius: 13px; background: #fff; padding: 7px 9px; display: grid; grid-template-columns: 9px minmax(0, 1fr) auto; align-items: center; gap: 8px; cursor: pointer; text-align: left; touch-action: manipulation; transition: transform .12s ease, border-color .12s ease, box-shadow .12s ease, background .12s ease; }
.touch-class-card:hover { transform: translateY(-1px); border-color: #c8c4fa; box-shadow: 0 7px 18px rgba(48, 55, 88, .08); }
.touch-class-card.active { border-color: var(--primary); background: var(--soft); box-shadow: inset 0 0 0 1px var(--primary), 0 7px 18px rgba(91, 91, 214, .12); }
.touch-class-color { width: 9px; height: 32px; border-radius: 999px; background: var(--class-color); }
.touch-class-copy { min-width: 0; }
.touch-class-copy b,
.touch-class-copy small { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.touch-class-copy b { font-size: 12px; color: #30384c; }
.touch-class-copy small { margin-top: 2px; font-size: 9px; color: var(--muted); }
.touch-class-rate { min-width: 34px; border-radius: 999px; background: #f0f1f6; color: #596277; padding: 4px 6px; font-size: 9px; font-weight: 800; text-align: center; }
.touch-class-card.active .touch-class-rate { background: var(--primary); color: #fff; }
.schedule-focus-actions { display: flex; align-items: center; gap: 6px; flex: 0 0 auto; }
.fullscreen-btn { min-width: 112px; }
.schedule-board-top { order: 1; width: 100%; }
.single-class-toolbar { min-height: 56px; }
.selected-class-heading { display: flex; align-items: center; gap: 9px; }
.selected-class-heading b,
.selected-class-heading small { display: block; }
.selected-class-heading b { font-size: 14px; color: #30384c; }
.selected-class-heading small { margin-top: 2px; font-size: 9px; color: var(--muted); }
.class-color.large { width: 10px; height: 36px; border-radius: 999px; margin: 0; }
.class-only-stats { order: 2; margin: 0; }
.lesson-pool-bottom { order: 3; position: static; max-height: none; width: 100%; }
.pool-head-wide { gap: 16px; }
.pool-head-actions { display: flex; align-items: center; justify-content: flex-end; gap: 8px; min-width: min(520px, 52vw); }
.lesson-pool-bottom .pool-search { margin: 0; width: min(460px, 46vw); min-height: 40px; font-size: 13px; }
.lesson-pool-bottom .pool-help { border-bottom: 1px solid var(--line); padding: 9px 14px; }
.pool-grid { grid-template-columns: repeat(auto-fill, minmax(185px, 1fr)); max-height: 270px; padding: 12px; gap: 8px; }
.pool-grid .pool-card { min-height: 52px; touch-action: manipulation; }
.distribution-table-wrap { max-height: calc(100vh - 250px); width: 100%; }
.schedule-board-top .distribution-table { min-width: 100%; }
.schedule-board-top .distribution-cell { height: 66px; }
.schedule-board-top .compact-lesson { min-height: 58px; padding-top: 8px; }
.schedule-board-top .compact-lesson b { font-size: 11px; }
.schedule-board-top .compact-lesson span { font-size: 9px; }
.empty-inline.compact { padding: 12px; }

.schedule-studio:fullscreen,
.schedule-studio.fallback-fullscreen { background: #f3f5f9; width: 100vw; height: 100vh; padding: 12px; overflow: auto; box-sizing: border-box; }
.schedule-studio:fullscreen .schedule-focus-bar,
.schedule-studio.fallback-fullscreen .schedule-focus-bar { position: sticky; top: 0; z-index: 50; box-shadow: 0 8px 26px rgba(31, 38, 65, .09); }
.schedule-studio:fullscreen .distribution-table-wrap,
.schedule-studio.fallback-fullscreen .distribution-table-wrap { max-height: calc(100vh - 292px); }
.schedule-studio:fullscreen .schedule-board-top .distribution-cell,
.schedule-studio.fallback-fullscreen .schedule-board-top .distribution-cell { height: 72px; }
.schedule-studio:fullscreen .pool-grid,
.schedule-studio.fallback-fullscreen .pool-grid { max-height: 235px; }
body.schedule-fallback-active { overflow: hidden; }
.schedule-studio.fallback-fullscreen { position: fixed; inset: 0; z-index: 9999; }

@media (max-width: 1050px) {
  .schedule-class-picker-wrap { align-items: flex-start; flex-direction: column; gap: 7px; }
  .schedule-focus-label { min-width: 0; }
  .touch-class-picker { width: 100%; }
  .schedule-focus-bar { align-items: flex-end; }
}

@media (max-width: 760px) {
  .schedule-workspace-content { padding: 10px; }
  .schedule-focus-bar { align-items: stretch; flex-direction: column; }
  .schedule-focus-actions { width: 100%; display: grid; grid-template-columns: 1fr 1fr 1.25fr; }
  .schedule-focus-actions .btn { min-height: 44px; }
  .touch-class-card { min-width: 145px; min-height: 58px; }
  .pool-head-wide { align-items: stretch; flex-direction: column; }
  .pool-head-actions { min-width: 0; width: 100%; }
  .lesson-pool-bottom .pool-search { width: 100%; }
  .distribution-table-wrap { max-height: 55vh; }
  .pool-grid { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); max-height: 35vh; }
  .single-class-toolbar { align-items: center; }
  .class-only-stats { grid-template-columns: repeat(4, minmax(90px, 1fr)); overflow-x: auto; }
  .class-only-stats > div { min-width: 100px; }
}

@media print {
  .schedule-focus-bar,
  .class-only-stats,
  .lesson-pool-bottom { display: none !important; }
  .schedule-workspace-content { padding: 0; }
}


/* v1.2 fullscreen target is the complete workspace so class switching stays fullscreen */
.workspace:fullscreen,
.workspace.schedule-fullscreen-mode { grid-template-columns: minmax(0, 1fr); width: 100vw; height: 100vh; background: #f3f5f9; }
.workspace:fullscreen .workspace-sidebar,
.workspace:fullscreen .workspace-toolbar,
.workspace.schedule-fullscreen-mode .workspace-sidebar,
.workspace.schedule-fullscreen-mode .workspace-toolbar { display: none !important; }
.workspace:fullscreen .workspace-main,
.workspace.schedule-fullscreen-mode .workspace-main { height: 100vh; width: 100%; overflow: auto; }
.workspace:fullscreen .workspace-content,
.workspace.schedule-fullscreen-mode .workspace-content { max-width: none; padding: 10px; }
.workspace:fullscreen .workspace-title,
.workspace.schedule-fullscreen-mode .workspace-title { display: none; }
.workspace:fullscreen .schedule-focus-bar,
.workspace.schedule-fullscreen-mode .schedule-focus-bar { position: sticky; top: 0; z-index: 50; box-shadow: 0 8px 26px rgba(31, 38, 65, .09); }
.workspace:fullscreen .distribution-table-wrap,
.workspace.schedule-fullscreen-mode .distribution-table-wrap { max-height: calc(100vh - 286px); }
.workspace:fullscreen .schedule-board-top .distribution-cell,
.workspace.schedule-fullscreen-mode .schedule-board-top .distribution-cell { height: 72px; }
.workspace:fullscreen .pool-grid,
.workspace.schedule-fullscreen-mode .pool-grid { max-height: 220px; }

/* v1.3 — all-classes first, compact table controls, mini preview and export center */
.touch-class-card.all-classes { min-width: 170px; }
.touch-class-color.all-color,
.class-color.large.all { background: linear-gradient(180deg, #5b5bd6, #16a085); }
.schedule-focus-actions { flex-wrap: wrap; justify-content: flex-end; }
.solve-fullscreen-btn { min-width: 132px; }
.preview-toggle.active { background: var(--soft); color: var(--primary); border-color: #c9c5fb; }
.multi-class-toolbar { min-height: 62px; }
.distribution-toolbar-right { display: flex; align-items: center; justify-content: flex-end; gap: 10px; flex-wrap: wrap; }
.density-picker { display: inline-flex; align-items: center; gap: 3px; border: 1px solid var(--line); border-radius: 11px; background: #f7f8fb; padding: 3px; }
.density-picker > span { padding: 0 7px; color: var(--muted); font-size: 9px; font-weight: 800; white-space: nowrap; }
.density-picker button { min-height: 28px; border: 0; border-radius: 8px; padding: 0 9px; background: transparent; color: #687186; font-size: 9px; font-weight: 800; cursor: pointer; }
.density-picker button.active { background: #fff; color: var(--primary); box-shadow: 0 2px 8px rgba(38,46,78,.1); }

.schedule-mini-preview { background: #fff; border: 1px solid var(--line); border-radius: 15px; padding: 10px 12px 12px; overflow: hidden; }
.mini-preview-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 8px; }
.mini-preview-head b,
.mini-preview-head span { display: block; }
.mini-preview-head b { color: #30384c; font-size: 12px; }
.mini-preview-head div > span { margin-top: 2px; color: var(--muted); font-size: 9px; }
.mini-preview-head > span { border-radius: 999px; background: #f0f1f6; color: #687186; padding: 4px 8px; font-size: 9px; font-weight: 800; }
.mini-preview-rows { display: grid; gap: 4px; max-height: 145px; overflow: auto; }
.mini-preview-row { width: 100%; display: grid; grid-template-columns: 72px minmax(0,1fr); gap: 7px; align-items: center; border: 0; background: transparent; padding: 3px 4px; border-radius: 7px; cursor: pointer; text-align: left; }
.mini-preview-row:hover,
.mini-preview-row.active { background: #f3f2ff; }
.mini-preview-row b { color: #4a5369; font-size: 8px; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.mini-preview-grid { display: grid; grid-auto-flow: column; grid-auto-columns: minmax(3px,1fr); gap: 1px; min-width: 0; }
.mini-preview-cell { display: block; height: 8px; border-radius: 2px; background: #eceef3; }
.mini-preview-cell.filled { background: var(--mini-color); opacity: .82; }

/* Density controls: smaller movable cards and table cells */
.schedule-studio .distribution-table .day-group { min-width: 0; }
.schedule-studio.density-mini .distribution-cell { width: 42px; min-width: 42px; height: 40px; }
.schedule-studio.density-mini .distribution-table .period-col { width: 42px; min-width: 42px; }

.schedule-studio.density-mini .class-sticky { width: 88px; min-width: 88px; padding: 5px !important; }
.schedule-studio.density-mini .class-sticky b { font-size: 9px; }
.schedule-studio.density-mini .class-sticky small { font-size: 7px; }
.schedule-studio.density-mini .compact-lesson { min-height: 34px; border-radius: 6px; border-left-width: 3px; padding: 4px 14px 3px 5px; }
.schedule-studio.density-mini .compact-lesson b { font-size: 7px; }
.schedule-studio.density-mini .compact-lesson span { font-size: 6px; }
.schedule-studio.density-mini .compact-lesson small,
.schedule-studio.density-mini .compact-lesson i { display: none; }
.schedule-studio.density-mini .lesson-lock { width: 14px; height: 14px; right: 1px; top: 1px; font-size: 7px; }
.schedule-studio.density-mini .pool-grid { grid-template-columns: repeat(auto-fill,minmax(145px,1fr)); }
.schedule-studio.density-mini .pool-card { min-height: 42px; padding: 6px 7px 6px 9px; }
.schedule-studio.density-mini .pool-card b { font-size: 9px; }
.schedule-studio.density-mini .pool-card span { font-size: 7px; }

.schedule-studio.density-compact .distribution-cell { width: 52px; min-width: 52px; height: 50px; }
.schedule-studio.density-compact .distribution-table .period-col { width: 52px; min-width: 52px; }

.schedule-studio.density-compact .compact-lesson { min-height: 44px; padding: 5px 18px 4px 6px; }
.schedule-studio.density-compact .compact-lesson b { font-size: 9px; }
.schedule-studio.density-compact .compact-lesson span { font-size: 7px; }
.schedule-studio.density-compact .compact-lesson small { font-size: 6px; }

.schedule-studio.density-comfortable .distribution-cell { width: 68px; min-width: 68px; height: 68px; }
.schedule-studio.density-comfortable .distribution-table .period-col { width: 68px; min-width: 68px; }

.schedule-studio.density-comfortable .compact-lesson { min-height: 61px; padding: 8px 23px 6px 8px; }
.schedule-studio.density-comfortable .compact-lesson b { font-size: 11px; }
.schedule-studio.density-comfortable .compact-lesson span { font-size: 9px; }
.schedule-studio.density-comfortable .compact-lesson small { font-size: 7px; }

.schedule-studio .distribution-table-wrap { max-height: min(62vh, 650px); }
.schedule-studio .lesson-pool-bottom { max-height: none; }
.schedule-studio .pool-grid { max-height: 245px; }

.schedule-export-modal { width: min(820px, calc(100vw - 28px)); max-width: 820px; }
.schedule-export-modal > p { margin: 7px 0 18px; color: var(--muted); font-size: 12px; }
.export-format-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 13px; }
.export-format-grid > section { border: 1px solid var(--line); border-radius: 16px; background: #f9fafc; padding: 13px; }
.export-format-grid h3 { margin: 8px 0 11px; font-size: 14px; }
.export-format-icon { width: 38px; height: 38px; border-radius: 11px; display: grid; place-items: center; background: #fff0f2; color: #bd3e58; font-size: 10px; font-weight: 900; }
.export-format-icon.excel { background: #eaf8f2; color: #087b63; }
.export-choice { width: 100%; display: grid; grid-template-columns: 1fr; gap: 2px; border: 1px solid #e1e4ec; border-radius: 11px; background: #fff; padding: 10px 11px; margin-top: 7px; text-align: left; cursor: pointer; }
.export-choice:hover { border-color: #bdb8f4; box-shadow: 0 5px 14px rgba(48,55,88,.07); }
.export-choice b { color: #353d52; font-size: 11px; }
.export-choice span { color: var(--muted); font-size: 9px; }
.export-choice:disabled { opacity: .65; cursor: wait; }

.workspace:fullscreen .schedule-focus-actions,
.workspace.schedule-fullscreen-mode .schedule-focus-actions { flex-wrap: nowrap; }
.workspace:fullscreen .schedule-studio .distribution-table-wrap,
.workspace.schedule-fullscreen-mode .schedule-studio .distribution-table-wrap { max-height: calc(100vh - 290px); }
.workspace:fullscreen .schedule-mini-preview,
.workspace.schedule-fullscreen-mode .schedule-mini-preview { padding-top: 8px; padding-bottom: 8px; }
.workspace:fullscreen .mini-preview-rows,
.workspace.schedule-fullscreen-mode .mini-preview-rows { max-height: 78px; }
.workspace:fullscreen .pool-grid,
.workspace.schedule-fullscreen-mode .pool-grid { max-height: 190px; }

@media (max-width: 1050px) {
  .schedule-focus-actions { width: 100%; justify-content: flex-start; }
  .distribution-toolbar-right { width: 100%; justify-content: space-between; }
}

@media (max-width: 760px) {
  .schedule-focus-actions { display: grid; grid-template-columns: 1.25fr 1fr 1fr; }
  .schedule-focus-actions .preview-toggle,
  .schedule-focus-actions .fullscreen-btn { grid-column: span 1; }
  .distribution-toolbar-right { align-items: stretch; flex-direction: column; }
  .density-picker { width: 100%; }
  .density-picker button { flex: 1; min-height: 36px; }
  .export-format-grid { grid-template-columns: 1fr; }
  .mini-preview-row { grid-template-columns: 54px minmax(0,1fr); }
  .schedule-studio .distribution-table-wrap { max-height: 58vh; }
}

@media print {
  .schedule-mini-preview { display: none !important; }
}

/* v1.4 — quick editing center, first-demo welcome, hover details and collapsible sidebar */
.workspace { transition: grid-template-columns .22s ease; }
.sidebar-collapse { width: 100%; min-height: 38px; border: 1px solid rgba(255,255,255,.09); background: rgba(255,255,255,.055); color: #c8cee4; border-radius: 11px; display: flex; align-items: center; justify-content: center; gap: 8px; cursor: pointer; margin-bottom: 12px; }
.sidebar-collapse span { font-size: 22px; line-height: 1; }
.sidebar-collapse b { font-size: 10px; }
.workspace-nav button { display: flex; align-items: center; gap: 8px; }
.workspace-nav button .nav-icon { width: 23px; flex: 0 0 23px; text-align: center; font-size: 16px; }
.workspace-nav button b { font-size: 12px; font-weight: 700; white-space: nowrap; }
.back-link { display: flex; align-items: center; gap: 8px; }
.back-link b { font-size: 11px; }
.workspace.sidebar-collapsed { grid-template-columns: 72px minmax(0,1fr); }
.workspace.sidebar-collapsed .workspace-sidebar { padding: 14px 9px; overflow: visible; }
.workspace.sidebar-collapsed .sidebar-collapse { min-height: 42px; margin-bottom: 8px; }
.workspace.sidebar-collapsed .sidebar-collapse b,
.workspace.sidebar-collapsed .back-link b,
.workspace.sidebar-collapsed .project-name,
.workspace.sidebar-collapsed .sidebar-foot,
.workspace.sidebar-collapsed .workspace-nav button b { display: none; }
.workspace.sidebar-collapsed .back-link { justify-content: center; height: 36px; font-size: 16px; }
.workspace.sidebar-collapsed .workspace-nav { padding-top: 10px; }
.workspace.sidebar-collapsed .workspace-nav button { justify-content: center; padding: 11px 6px; min-height: 44px; position: relative; }
.workspace.sidebar-collapsed .workspace-nav button .nav-icon { width: auto; flex: none; font-size: 18px; }
.workspace.sidebar-collapsed .workspace-nav button:hover::after { content: attr(data-panel); position: absolute; left: 54px; top: 50%; transform: translateY(-50%); background: #20253d; color: #fff; border-radius: 8px; padding: 7px 9px; font-size: 10px; white-space: nowrap; z-index: 80; box-shadow: 0 8px 24px rgba(0,0,0,.24); }

.quick-manager-trigger { position: relative; }
.quick-manager-trigger > span { min-width: 17px; height: 17px; border-radius: 999px; background: #fff; color: var(--primary); display: inline-grid; place-items: center; font-size: 8px; font-weight: 900; }

.quick-manager-modal { width: min(1380px, calc(100vw - 34px)); max-width: 1380px; height: min(850px, calc(100vh - 34px)); overflow: hidden; background: #fff; }
.quick-manager-head { min-height: 78px; display: flex; align-items: center; justify-content: space-between; padding: 18px 26px 13px; border-bottom: 1px solid var(--line); }
.quick-manager-head h2 { margin-top: 4px; font-size: 22px; }
.quick-manager-tabs { display: flex; overflow-x: auto; padding: 0 26px; border-bottom: 1px solid var(--line); background: #fafbfc; }
.quick-manager-tabs button { min-width: 140px; height: 74px; border: 0; border-right: 1px solid var(--line); background: transparent; color: #687186; display: grid; grid-template-columns: 28px 1fr auto; grid-template-rows: 1fr 1fr; align-items: center; padding: 11px 14px; cursor: pointer; text-align: left; }
.quick-manager-tabs button:first-child { border-left: 1px solid var(--line); }
.quick-manager-tabs button > span { grid-row: 1 / 3; font-size: 20px; color: #7b8497; }
.quick-manager-tabs button b { font-size: 11px; }
.quick-manager-tabs button small { grid-column: 2; font-size: 9px; color: #a0a6b4; }
.quick-manager-tabs button::after { content: attr(data-q-tab); grid-column: 3; grid-row: 1 / 3; min-width: 24px; height: 24px; border-radius: 999px; background: #eef0f5; display: none; }
.quick-manager-tabs button.active { background: #fff; color: var(--primary); box-shadow: inset 0 -3px 0 var(--primary); }
.quick-manager-tabs button.active > span { color: var(--primary); }
.quick-manager-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 14px 26px 10px; }
.quick-search { width: min(420px, 55vw); position: relative; display: block; }
.quick-search span { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); color: #9ca3b2; }
.quick-search input { width: 100%; padding-left: 34px; min-height: 40px; }
.quick-list { margin: 0 26px 12px; height: calc(100% - 248px); overflow: auto; border: 1px solid var(--line); border-radius: 14px; background: #fff; }
.quick-list-row { min-height: 62px; display: grid; grid-template-columns: minmax(260px,1.2fr) minmax(210px,.8fr) auto; align-items: center; gap: 12px; padding: 8px 12px; border-bottom: 1px solid var(--line); transition: background .12s ease; }
.quick-list-row:nth-child(even) { background: #fafbfc; }
.quick-list-row:hover { background: #f4f3ff; }
.quick-list-row.disabled-row { opacity: .58; }
.quick-main-cell { display: flex; align-items: center; gap: 12px; min-width: 0; }
.quick-main-cell > div { min-width: 0; }
.quick-main-cell b,
.quick-main-cell small { display: block; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.quick-main-cell b { color: #2f374b; font-size: 12px; }
.quick-main-cell small { margin-top: 4px; color: var(--muted); font-size: 9px; }
.quick-color { width: 18px; height: 18px; border-radius: 6px; flex: 0 0 18px; }
.quick-color.rule-color { display: grid; place-items: center; width: 30px; height: 30px; flex-basis: 30px; background: #eef8f4; color: #00a778; font-size: 16px; }
.quick-secondary-cell b,
.quick-secondary-cell small { display: block; }
.quick-secondary-cell b { color: #4b5468; font-size: 10px; }
.quick-secondary-cell small { color: var(--muted); font-size: 8px; margin-top: 3px; }
.quick-row-actions { display: flex; justify-content: flex-end; gap: 5px; }
.quick-icon-button { width: 32px; height: 32px; border: 0; border-radius: 9px; background: #eef0f5; color: #596277; cursor: pointer; }
.quick-icon-button:hover { background: #dedcfb; color: var(--primary); }
.quick-icon-button.danger:hover { background: #fff0f2; color: var(--red); }
.quick-condition-button { width: max-content; max-width: 240px; display: flex; align-items: center; gap: 10px; border: 0; background: transparent; cursor: pointer; padding: 4px; }
.quick-condition-button > span:last-child { color: var(--muted); font-size: 9px; white-space: nowrap; }
.quick-condition-mini { display: grid; grid-template-columns: repeat(var(--quick-periods), 5px); gap: 1px; padding: 3px; border-radius: 6px; background: #eef0f4; }
.quick-condition-mini i { display: block; width: 5px; height: 5px; border-radius: 1px; background: #00b27b; }
.quick-condition-mini i.blocked { background: #ff0156; }
.quick-switch input { position: absolute; opacity: 0; }
.quick-switch span { width: 38px; height: 22px; border-radius: 999px; display: block; background: #d9dde6; position: relative; cursor: pointer; }
.quick-switch span::after { content: ''; width: 17px; height: 17px; position: absolute; top: 2.5px; left: 3px; border-radius: 50%; background: #fff; transition: .15s ease; box-shadow: 0 2px 5px rgba(0,0,0,.18); }
.quick-switch input:checked + span { background: #00b27b; }
.quick-switch input:checked + span::after { left: 18px; }
.quick-manager-foot { height: 58px; padding: 9px 26px 13px; border-top: 1px solid var(--line); background: #fafbfc; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.quick-manager-foot > span { color: var(--muted); font-size: 9px; }

.quick-availability-modal { width: min(1180px, calc(100vw - 30px)); max-width: 1180px; padding: 0; }
.quick-availability-head { padding: 22px 28px 14px; border-bottom: 1px solid var(--line); }
.quick-availability-head h2 { margin: 4px 0; }
.quick-availability-head p { color: var(--muted); font-size: 11px; }
.availability-quick-tools { display: flex; align-items: end; gap: 8px; flex-wrap: wrap; padding: 13px 28px; background: #fafbfc; border-bottom: 1px solid var(--line); }
.availability-quick-tools label { margin-left: auto; display: flex; align-items: center; gap: 8px; font-size: 9px; }
.availability-quick-tools select { min-width: 190px; padding: 8px 10px; }
.quick-availability-grid { display: grid; grid-template-columns: 112px repeat(var(--period-count), minmax(52px,1fr)); gap: 4px; padding: 18px 28px; min-width: 720px; overflow: auto; }
.grid-corner,
.grid-period,
.grid-day { min-height: 40px; border-radius: 8px; background: #f3f4f7; display: grid; place-items: center; }
.grid-period b,
.grid-period small { display: block; text-align: center; }
.grid-period b { font-size: 10px; }
.grid-period small { color: var(--muted); font-size: 7px; }
.grid-day { justify-content: start; padding-left: 14px; font-size: 10px; font-weight: 800; }
.quick-availability-cell { min-height: 48px; border: 0; border-radius: 7px; background: #00b27b; color: #fff; cursor: pointer; font-size: 9px; font-weight: 800; }
.quick-availability-cell.blocked { background: #ff0156; }
.quick-availability-actions { min-height: 68px; display: flex; align-items: center; justify-content: space-between; gap: 14px; padding: 12px 28px; background: #fafbfc; border-top: 1px solid var(--line); }
.quick-availability-actions > span { color: var(--muted); font-size: 10px; }
.quick-availability-actions > div { display: flex; gap: 8px; }
.rule-class-picker { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 9px; }
.rule-class-picker input { position: absolute; opacity: 0; }
.rule-class-picker span { display: inline-flex; align-items: center; gap: 6px; min-height: 36px; padding: 0 11px; border: 1px solid var(--line); border-radius: 10px; background: #fff; font-size: 10px; cursor: pointer; }
.rule-class-picker span::before { content: ''; width: 8px; height: 22px; border-radius: 999px; background: var(--class-color); }
.rule-class-picker input:checked + span { background: #f0efff; border-color: var(--primary); color: var(--primary); box-shadow: inset 0 0 0 1px var(--primary); }
.field-help { margin: 4px 0 0 !important; font-size: 9px !important; }
.rule-active-line { display: flex; grid-template-columns: auto 1fr; align-items: center; gap: 9px; }

.demo-welcome-modal { width: min(930px, calc(100vw - 28px)); max-width: 930px; overflow: hidden; }
.demo-welcome-hero { position: relative; padding: 28px 34px 25px 104px; background: linear-gradient(135deg,#272a61,#5d59d1 62%,#8078ee); color: #fff; }
.demo-welcome-hero .eyebrow { color: #d5d3ff; }
.demo-welcome-hero h2 { margin: 7px 0 8px; font-size: 30px; }
.demo-welcome-hero p { max-width: 700px; color: #e6e6ff; line-height: 1.55; }
.demo-welcome-hero .modal-close { background: rgba(255,255,255,.14); color: #fff; }
.demo-confetti { position: absolute; left: 34px; top: 34px; width: 52px; height: 52px; border-radius: 17px; background: rgba(255,255,255,.13); display: grid; place-items: center; font-size: 27px; }
.demo-welcome-body { padding: 24px 30px 18px; display: grid; grid-template-columns: minmax(0,1fr) 230px; gap: 18px; }
.demo-welcome-body h3 { margin: 0 0 12px; font-size: 15px; }
.welcome-step-list { display: grid; gap: 8px; }
.welcome-step-list > div { display: grid; grid-template-columns: 29px 1fr; gap: 10px; align-items: start; padding: 9px 10px; border: 1px solid var(--line); border-radius: 11px; background: #fafbfc; }
.welcome-step-list > div > b { width: 27px; height: 27px; border-radius: 9px; display: grid; place-items: center; background: #eeedff; color: var(--primary); }
.welcome-step-list span { color: #626b7f; font-size: 10px; line-height: 1.45; }
.welcome-step-list strong { color: #323a4e; }
.demo-limit-card { border-radius: 17px; background: linear-gradient(160deg,#f3f2ff,#fff); border: 1px solid #dddafe; padding: 18px; }
.demo-limit-card > span,
.demo-limit-card > b,
.demo-limit-card > small { display: block; }
.demo-limit-card > span { color: var(--muted); font-size: 10px; }
.demo-limit-card > b { margin-top: 9px; color: var(--primary); font-size: 20px; }
.demo-limit-card > small { margin-top: 15px; color: #687186; font-size: 9px; line-height: 1.5; }
.demo-help-card { grid-column: 1 / -1; min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 13px 15px; border-radius: 13px; background: #eef8f4; border: 1px solid #cceade; }
.demo-help-card h3 { margin-bottom: 4px; }
.demo-help-card p { color: #527066; font-size: 10px; line-height: 1.4; }
.demo-support-link { flex: 0 0 auto; border-radius: 999px; padding: 9px 12px; background: #fff; color: #087b63; font-size: 10px; font-weight: 800; }
.demo-support-link.muted { color: #728179; }
.demo-welcome-actions { min-height: 72px; display: flex; justify-content: flex-end; align-items: center; gap: 9px; padding: 13px 30px; background: #fafbfc; border-top: 1px solid var(--line); }

.lesson-info-tooltip { position: fixed; z-index: 12000; width: 310px; max-width: calc(100vw - 20px); pointer-events: none; opacity: 0; transform: translateY(5px) scale(.98); transition: opacity .1s ease, transform .1s ease; border-radius: 14px; background: rgba(33,39,61,.98); color: #fff; padding: 12px; box-shadow: 0 18px 45px rgba(18,22,39,.3); }
.lesson-info-tooltip.visible { opacity: 1; transform: translateY(0) scale(1); }
.lesson-tooltip-head { display: flex; gap: 9px; align-items: center; padding-bottom: 9px; border-bottom: 1px solid rgba(255,255,255,.1); }
.lesson-tooltip-head > span { width: 8px; height: 38px; border-radius: 999px; background: var(--tooltip-color); }
.lesson-tooltip-head b,
.lesson-tooltip-head small { display: block; }
.lesson-tooltip-head b { font-size: 12px; }
.lesson-tooltip-head small { margin-top: 3px; color: #bfc6da; font-size: 9px; }
.lesson-tooltip-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 7px; padding: 10px 0; }
.lesson-tooltip-grid span { color: #9fa8c0; font-size: 8px; }
.lesson-tooltip-grid b { display: block; color: #fff; font-size: 9px; margin-top: 2px; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.lesson-tooltip-foot { display: flex; justify-content: space-between; gap: 8px; color: #b8c0d5; font-size: 8px; padding-top: 8px; border-top: 1px solid rgba(255,255,255,.1); }

/* The Mini density is intentionally much lower and denser. */
.schedule-studio.density-mini .distribution-cell { width: 34px; min-width: 34px; height: 28px; }
.schedule-studio.density-mini .distribution-table .period-col { width: 34px; min-width: 34px; height: 30px; padding: 2px; }
.schedule-studio.density-mini .distribution-table .period-col b { font-size: 7px; }
.schedule-studio.density-mini .distribution-table .period-col small { display: none; }
.schedule-studio.density-mini .distribution-table .day-group { height: 25px; padding: 2px; font-size: 7px; }
.schedule-studio.density-mini .class-sticky { width: 68px; min-width: 68px; padding: 2px 4px !important; }
.schedule-studio.density-mini .class-sticky .class-color { width: 5px; height: 18px; }
.schedule-studio.density-mini .class-sticky b { font-size: 7px; }
.schedule-studio.density-mini .class-sticky small { display: none; }
.schedule-studio.density-mini .distribution-cell.occupied { padding: 1px; }
.schedule-studio.density-mini .compact-lesson { min-height: 24px; border-radius: 4px; border-left-width: 2px; padding: 2px 10px 1px 3px; box-shadow: none; }
.schedule-studio.density-mini .compact-lesson b { font-size: 6px; line-height: 1.15; }
.schedule-studio.density-mini .compact-lesson span { display: none; }
.schedule-studio.density-mini .lesson-lock { width: 10px; height: 10px; right: 0; top: 0; font-size: 5px; border-radius: 3px; }
.schedule-studio.density-mini .pool-grid { grid-template-columns: repeat(auto-fill,minmax(118px,1fr)); gap: 4px; }
.schedule-studio.density-mini .pool-card { min-height: 32px; padding: 4px 5px 4px 7px; border-radius: 7px; }
.schedule-studio.density-mini .pool-card b { font-size: 8px; }
.schedule-studio.density-mini .pool-card span { font-size: 6px; }
.schedule-studio.density-mini .pool-card-meta small { font-size: 6px; }
.workspace:fullscreen .schedule-studio.density-mini .distribution-cell,
.workspace.schedule-fullscreen-mode .schedule-studio.density-mini .distribution-cell { height: 28px; }
.workspace:fullscreen .schedule-studio.density-compact .distribution-cell,
.workspace.schedule-fullscreen-mode .schedule-studio.density-compact .distribution-cell { height: 50px; }
.workspace:fullscreen .schedule-studio.density-comfortable .distribution-cell,
.workspace.schedule-fullscreen-mode .schedule-studio.density-comfortable .distribution-cell { height: 68px; }

@media (max-width: 900px) {
  .quick-manager-modal { height: calc(100vh - 16px); width: calc(100vw - 16px); }
  .quick-manager-tabs { padding: 0 10px; }
  .quick-manager-tabs button { min-width: 112px; }
  .quick-manager-toolbar { padding-left: 14px; padding-right: 14px; }
  .quick-list { margin-left: 14px; margin-right: 14px; }
  .quick-list-row { grid-template-columns: minmax(190px,1fr) auto; }
  .quick-secondary-cell { display: none; }
  .quick-manager-foot { padding-left: 14px; padding-right: 14px; }
  .quick-manager-foot > span { display: none; }
  .demo-welcome-body { grid-template-columns: 1fr; }
  .demo-help-card { grid-column: auto; align-items: flex-start; flex-direction: column; }
}

@media (max-width: 720px) {
  .sidebar-collapse { display: none; }
  .workspace.sidebar-collapsed { display: block; }
  .quick-list-row { grid-template-columns: minmax(0,1fr) auto; }
  .quick-condition-button { display: none; }
  .quick-manager-tabs button { min-width: 95px; grid-template-columns: 22px 1fr; padding: 8px; }
  .quick-manager-toolbar { align-items: stretch; }
  .quick-search { width: 100%; }
  .quick-manager-toolbar .btn { white-space: nowrap; }
  .demo-welcome-hero { padding: 76px 22px 22px; }
  .demo-confetti { left: 22px; top: 18px; }
  .demo-welcome-hero h2 { font-size: 23px; }
  .demo-welcome-actions { align-items: stretch; flex-direction: column-reverse; }
  .demo-welcome-actions .btn { width: 100%; }
  .quick-availability-grid { padding: 12px; }
  .availability-quick-tools { padding: 12px; }
  .availability-quick-tools label { margin-left: 0; width: 100%; }
}
.quick-list-row.rule-list-row { grid-template-columns: minmax(260px,1.2fr) minmax(210px,.8fr) auto auto; }
@media (max-width: 900px) { .quick-list-row.rule-list-row { grid-template-columns: minmax(190px,1fr) auto auto; } .quick-list-row.rule-list-row .quick-secondary-cell { display:none; } }

/* v1.5 — sade, hızlı üst menü ve otomatik eşitleme */
.topbar {
  min-height: 62px;
  height: 62px;
  padding: 0 24px;
  background: #fff;
  backdrop-filter: none;
}
.topbar-primary { margin-left: 34px !important; gap: 8px !important; }
.topbar-primary a { padding: 8px 11px; border-radius: 10px; font-size: 13px; }
.topbar-primary a:hover { background: var(--soft); }
.user-menu { position: relative; margin-left: auto; }
.user-menu summary,
.toolbar-menu summary { list-style: none; }
.user-menu summary::-webkit-details-marker,
.toolbar-menu summary::-webkit-details-marker { display: none; }
.user-menu summary { display: flex; align-items: center; gap: 8px; min-height: 42px; padding: 5px 8px; border-radius: 12px; cursor: pointer; color: #586176; font-weight: 700; }
.user-menu summary:hover,
.user-menu[open] summary { background: #f3f4f8; }
.user-avatar { width: 31px; height: 31px; border-radius: 10px; display: grid; place-items: center; background: var(--soft); color: var(--primary); font-weight: 850; }
.user-menu-name { max-width: 180px; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; font-size: 12px; }
.user-menu-popover,
.toolbar-menu-popover { position: absolute; top: calc(100% + 8px); right: 0; z-index: 150; width: 220px; padding: 7px; border: 1px solid var(--line); border-radius: 14px; background: #fff; box-shadow: 0 16px 42px rgba(35,43,72,.14); }
.user-menu-popover a { display: block; padding: 10px 11px; border-radius: 9px; color: #424b60; font-size: 12px; font-weight: 700; }
.user-menu-popover a:hover { background: #f3f4f8; color: var(--primary); }

.workspace { grid-template-columns: 238px minmax(0,1fr); transition: none; }
.workspace-sidebar { padding: 18px 14px; }
.workspace-toolbar {
  min-height: 66px;
  padding: 9px 18px;
  background: #fff;
  backdrop-filter: none;
  gap: 16px;
}
.workspace-toolbar-title { min-width: 0; display: grid; gap: 2px; }
.workspace-toolbar-title b { max-width: 360px; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; font-size: 14px; }
.workspace-toolbar-title span { max-width: 360px; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; color: var(--muted); font-size: 10px; }
.workspace-toolbar-actions { margin-left: auto; display: flex; align-items: center; gap: 8px; }
.toolbar-menu { position: relative; }
.toolbar-menu > summary.btn { min-height: 40px; padding: 9px 12px; }
.toolbar-menu-popover { left: 0; right: auto; width: 270px; display: grid; gap: 3px; }
.toolbar-menu-popover.align-right { left: auto; right: 0; }
.toolbar-menu-popover a,
.toolbar-menu-popover label,
.toolbar-menu-popover button { width: 100%; display: grid; gap: 3px; padding: 10px 11px; border: 0; border-radius: 10px; background: transparent; color: #343d52; text-align: left; cursor: pointer; }
.toolbar-menu-popover a:hover,
.toolbar-menu-popover label:hover,
.toolbar-menu-popover button:hover { background: #f3f4f8; }
.toolbar-menu-popover b { font-size: 12px; }
.toolbar-menu-popover small { color: var(--muted); font-size: 9px; font-weight: 500; }
.account-menu > summary { display: grid; place-items: center; }
.cloud-sync-chip { min-width: 174px; display: grid; grid-template-columns: 9px 1fr; grid-template-rows: auto auto; column-gap: 7px; align-items: center; padding: 7px 10px; border: 1px solid var(--line); border-radius: 12px; background: #fafbfc; }
.cloud-sync-chip .sync-dot { grid-row: 1 / 3; width: 8px; height: 8px; border-radius: 50%; background: #9aa2b4; }
.cloud-sync-chip b { font-size: 10px; line-height: 1.2; }
.cloud-sync-chip small { color: var(--muted); font-size: 8px; line-height: 1.2; }
.cloud-sync-chip.is-synced .sync-dot { background: var(--green); }
.cloud-sync-chip.is-pending .sync-dot { background: var(--amber); }
.cloud-sync-chip.is-saving .sync-dot { background: var(--primary); animation: syncPulse 1s ease-in-out infinite; }
.cloud-sync-chip.is-error .sync-dot { background: var(--red); }
@keyframes syncPulse { 50% { transform: scale(1.45); opacity: .55; } }
.compact-save { min-height: 40px; padding: 9px 13px; box-shadow: none !important; }

/* Ağır görsel efektleri azalt */
.project-card,
.feature-card,
.touch-class-card,
.pool-card,
.compact-lesson { transition-duration: .08s; }
.project-card:hover,
.touch-class-card:hover,
.pool-card:hover { transform: none; }
.progress-overlay,
.modal::backdrop { backdrop-filter: none; }
.data-table,
.report-panel,
.project-card,
.quick-list-row { contain: layout paint; }
.schedule-workspace-content { contain: layout style; }

.purchase-wrap { width: min(1100px, calc(100% - 34px)); margin: 42px auto; }
.purchase-hero-card { display: grid; grid-template-columns: minmax(0,1.15fr) minmax(340px,.85fr); overflow: hidden; border: 1px solid var(--line); border-radius: 28px; background: #fff; box-shadow: 0 22px 70px rgba(40,52,91,.12); }
.purchase-copy { padding: 54px; }
.purchase-copy h1 { max-width: 680px; margin: 10px 0 14px; font-size: clamp(32px,4vw,50px); line-height: 1.05; }
.purchase-copy > p { max-width: 700px; color: var(--muted); line-height: 1.7; }
.purchase-email { display: inline-grid; gap: 3px; margin: 18px 0; padding: 11px 14px; border: 1px solid #dcd9ff; border-radius: 13px; background: #f5f4ff; }
.purchase-email span { color: var(--muted); font-size: 9px; }
.purchase-email b { color: var(--primary); font-size: 13px; }
.purchase-email-form { max-width: 520px; display: grid; grid-template-columns: 1fr auto; gap: 10px; align-items: end; margin: 22px 0; }
.purchase-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 14px; }
.purchase-feature-panel { padding: 48px 38px; background: linear-gradient(155deg,#292c62,#5b57ca); color: #fff; }
.purchase-feature-panel h2 { margin-top: 0; font-size: 24px; }
.purchase-feature-list { display: grid; gap: 11px; margin-top: 24px; }
.purchase-feature-list > div { display: grid; grid-template-columns: 28px 1fr; gap: 10px; padding: 12px; border: 1px solid rgba(255,255,255,.12); border-radius: 13px; background: rgba(255,255,255,.07); }
.purchase-feature-list > div > span { width: 27px; height: 27px; display: grid; place-items: center; border-radius: 9px; background: rgba(255,255,255,.13); }
.purchase-feature-list p { margin: 0; }
.purchase-feature-list b,
.purchase-feature-list small { display: block; }
.purchase-feature-list small { margin-top: 3px; color: #d8dbff; font-size: 10px; line-height: 1.45; }
.expired-actions { display: flex; justify-content: center; flex-wrap: wrap; gap: 10px; }

@media (max-width: 900px) {
  .user-menu-name { display: none; }
  .workspace-toolbar-title span { display: none; }
  .cloud-sync-chip { min-width: 142px; }
  .purchase-hero-card { grid-template-columns: 1fr; }
  .purchase-copy { padding: 38px 28px; }
  .purchase-feature-panel { padding: 34px 28px; }
}
@media (max-width: 720px) {
  .topbar-primary { display: none !important; }
  .workspace-toolbar { min-height: 58px; flex-wrap: nowrap; padding: 8px 10px; }
  .workspace-toolbar-title { display: none; }
  .workspace-toolbar-actions { width: 100%; }
  .cloud-sync-chip { flex: 1; min-width: 0; }
  .compact-save { display: none; }
  .toolbar-menu-popover { position: fixed; left: 10px; right: 10px; top: 64px; width: auto; }
  .toolbar-menu-popover.align-right { left: 10px; right: 10px; }
  .purchase-email-form { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}
.sync-conflict-content { position: relative; padding: 28px; }
.sync-conflict-content h2 { margin: 7px 0 8px; }
.sync-conflict-content p { color: var(--muted); line-height: 1.55; }
.sync-conflict-actions { display: flex; justify-content: flex-end; flex-wrap: wrap; gap: 9px; }

/* v1.6 — expanded landing experience and stable mini schedule grid */
.landing-page {
  --landing-ink: #20263a;
  --landing-muted: #697287;
  --landing-purple: #5d57d8;
  --landing-purple-dark: #3b397e;
  --landing-green: #12a47b;
  color: var(--landing-ink);
  background:
    radial-gradient(circle at 90% 5%, rgba(119, 102, 235, .13), transparent 27%),
    radial-gradient(circle at 3% 28%, rgba(21, 176, 139, .09), transparent 22%),
    linear-gradient(180deg, #fafbff 0, #f7f8fc 52%, #fff 100%);
}
.landing-page .app-shell { overflow: hidden; }
.landing-header {
  position: sticky;
  top: 10px;
  z-index: 100;
  width: min(1220px, calc(100% - 32px));
  height: 70px;
  margin: 10px auto 0;
  padding: 0 14px 0 18px;
  border: 1px solid rgba(222, 225, 237, .9);
  border-radius: 18px;
  background: rgba(255, 255, 255, .94);
  box-shadow: 0 12px 35px rgba(45, 52, 85, .07);
  backdrop-filter: none;
}
.landing-header .brand { flex: 0 0 auto; }
.landing-nav { gap: 6px; }
.landing-nav a { padding: 9px 11px; border-radius: 10px; font-size: 13px; }
.landing-nav a:hover { background: #f2f1ff; }
.landing-actions .btn { min-height: 42px; }
.landing-mobile-menu { display: none; position: relative; margin-left: auto; }
.landing-mobile-menu > summary { width: 42px; height: 42px; display: grid; place-items: center; list-style: none; border: 1px solid var(--line); border-radius: 12px; background: #fff; cursor: pointer; font-size: 18px; }
.landing-mobile-menu > summary::-webkit-details-marker { display: none; }
.landing-mobile-menu nav { position: absolute; top: calc(100% + 8px); right: 0; width: 235px; padding: 8px; display: grid; gap: 3px; border: 1px solid var(--line); border-radius: 15px; background: #fff; box-shadow: 0 18px 45px rgba(32, 39, 66, .15); }
.landing-mobile-menu nav a { padding: 11px 12px; border-radius: 10px; color: #41495e; font-size: 13px; font-weight: 750; }
.landing-mobile-menu nav a:hover { background: #f3f2ff; color: var(--primary); }

.landing-hero {
  width: min(1220px, calc(100% - 36px));
  min-height: 690px;
  margin: 16px auto 58px;
  grid-template-columns: minmax(0, .94fr) minmax(520px, 1.06fr);
  gap: 44px;
}
.hero-badge { width: max-content; max-width: 100%; display: inline-flex; align-items: center; gap: 8px; padding: 8px 11px; border: 1px solid #dedbff; border-radius: 999px; background: #f4f3ff; color: #514cb2; font-size: 11px; font-weight: 850; letter-spacing: .035em; }
.hero-badge > span { width: 8px; height: 8px; border-radius: 50%; background: var(--landing-green); box-shadow: 0 0 0 5px rgba(18,164,123,.12); }
.landing-copy h1 { margin: 18px 0 21px; font-size: clamp(48px, 5.6vw, 76px); line-height: .98; letter-spacing: -.052em; }
.landing-copy h1 span { color: var(--landing-purple); position: relative; }
.landing-copy h1 span::after { content: ""; position: absolute; left: 2%; right: 2%; bottom: -7px; height: 8px; border-radius: 50%; background: rgba(93,87,216,.12); transform: rotate(-1.5deg); }
.landing-copy > p { max-width: 670px; margin: 0; color: var(--landing-muted); font-size: 17px; line-height: 1.75; }
.landing-cta { margin-top: 30px; }
.landing-primary-cta { min-height: 52px; padding-inline: 20px; box-shadow: 0 14px 30px rgba(91,91,214,.22); }
.landing-primary-cta span { font-size: 17px; }
.landing-note { gap: 11px 20px; }
.hero-trust-line { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 10px; margin-top: 30px; }
.hero-trust-line > div { min-width: 0; padding: 12px 13px; border: 1px solid #e5e7ef; border-radius: 13px; background: rgba(255,255,255,.72); }
.hero-trust-line b, .hero-trust-line small { display: block; }
.hero-trust-line b { color: #343c51; font-size: 11px; }
.hero-trust-line small { margin-top: 4px; color: #828a9c; font-size: 8px; line-height: 1.35; }

.hero-app-preview { position: relative; padding: 17px; border-radius: 32px; background: linear-gradient(145deg, #282b55, #5550b1 62%, #7066dc); box-shadow: 0 38px 90px rgba(49,50,115,.28); transform: none; isolation: isolate; }
.preview-glow { position: absolute; z-index: -1; border-radius: 50%; filter: blur(2px); }
.preview-glow-one { width: 180px; height: 180px; right: -45px; top: -48px; background: rgba(136,116,244,.23); }
.preview-glow-two { width: 120px; height: 120px; left: -34px; bottom: 10px; background: rgba(38,199,163,.18); }
.preview-window { position: relative; z-index: 2; border: 1px solid rgba(255,255,255,.6); box-shadow: 0 18px 45px rgba(22,25,58,.18); }
.preview-top { justify-content: space-between; height: 48px; }
.preview-dots { display: flex; gap: 6px; }
.preview-top .preview-dots i { display: block; }
.preview-top > b { margin: 0 auto 0 8px; }
.preview-cloud { display: inline-flex; align-items: center; gap: 5px; padding: 5px 8px; border-radius: 999px; background: #eaf8f3; color: #0b7e63; font-size: 8px; font-weight: 800; }
.preview-cloud i { width: 6px; height: 6px; background: #16a085; }
.preview-body { display: grid; grid-template-columns: 40px minmax(0,1fr); min-height: 500px; }
.preview-side { padding: 12px 7px; display: flex; flex-direction: column; align-items: center; gap: 8px; background: #282e4d; }
.preview-side span { width: 27px; height: 27px; display: grid; place-items: center; border-radius: 8px; color: #8f98b5; font-size: 11px; }
.preview-side span.active { background: #5e59da; color: #fff; }
.preview-main { min-width: 0; background: #f5f6fa; padding: 12px; }
.preview-toolbar { display: flex; justify-content: space-between; align-items: center; gap: 10px; padding: 9px 10px; border: 1px solid #e5e7ee; border-radius: 11px; background: #fff; }
.preview-toolbar b, .preview-toolbar small { display: block; }
.preview-toolbar b { color: #30384c; font-size: 9px; }
.preview-toolbar small { margin-top: 2px; color: #8a91a2; font-size: 7px; }
.preview-toolbar-actions { display: flex; align-items: center; gap: 6px; }
.preview-toolbar-actions span, .preview-toolbar-actions b { padding: 6px 8px; border-radius: 7px; font-size: 7px; }
.preview-toolbar-actions span { background: #f1f2f6; color: #626b7f; }
.preview-toolbar-actions b { background: #5b5bd6; color: #fff; }
.preview-stats { grid-template-columns: repeat(4, 1fr); padding: 10px 0; gap: 7px; }
.preview-stats div { border: 1px solid #e8eaf0; padding: 9px 10px; background: #fff; }
.preview-stats b { font-size: 17px; }
.preview-stats .success b { color: #118266; }
.preview-schedule { padding: 0; border: 1px solid #e2e5ed; border-radius: 11px; background: #fff; overflow: hidden; }
.preview-row { grid-template-columns: 52px repeat(5, minmax(0, 1fr)); gap: 0; margin: 0; }
.preview-row > * { min-height: 43px; border-radius: 0; border-right: 1px solid #e8eaf0; border-bottom: 1px solid #e8eaf0; background: #fff; }
.preview-row > *:last-child { border-right: 0; }
.preview-row strong { color: #4f586d; background: #f7f8fb; }
.preview-row span { display: flex; flex-direction: column; gap: 2px; font-weight: 850; }
.preview-row span small { color: currentColor; opacity: .68; font-size: 6px; font-weight: 700; }
.preview-row.preview-heading > * { min-height: 28px; color: #767f92; background: #f2f3f7; font-size: 6px; font-weight: 800; }
.preview-row span:nth-child(3n+2) { background: #efedff; color: #524db5; }
.preview-row span:nth-child(4n+3) { background: #eaf8f3; color: #16755f; }
.preview-row span:nth-child(5n+4) { background: #fff2ed; color: #a14d36; }
.preview-pool { margin-top: 9px; padding: 9px; display: grid; grid-template-columns: auto repeat(3,minmax(0,1fr)); align-items: center; gap: 6px; border: 1px solid #e3e6ee; border-radius: 10px; background: #fff; }
.preview-pool b { color: #41495f; font-size: 8px; }
.preview-pool span { min-width: 0; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; padding: 6px 7px; border-left: 3px solid #5b5bd6; border-radius: 6px; background: #f5f4ff; color: #626a7e; font-size: 6px; }
.preview-float-card { position: absolute; z-index: 4; min-width: 205px; display: grid; grid-template-columns: 34px 1fr; align-items: center; gap: 9px; padding: 10px 12px; border: 1px solid rgba(255,255,255,.75); border-radius: 14px; background: rgba(255,255,255,.96); box-shadow: 0 16px 38px rgba(27,31,66,.2); }
.preview-float-card > span { width: 33px; height: 33px; display: grid; place-items: center; border-radius: 10px; background: #eaf8f3; color: #0b8a69; font-weight: 900; }
.preview-float-card b, .preview-float-card small { display: block; }
.preview-float-card b { color: #30384d; font-size: 10px; }
.preview-float-card small { margin-top: 3px; color: #81899c; font-size: 7px; }
.preview-float-left { left: -38px; bottom: 62px; }
.preview-float-right { right: -34px; top: 94px; }
.preview-float-right > span { background: #f0efff; color: var(--primary); }

.landing-proof-strip { width: min(1100px, calc(100% - 36px)); min-height: 64px; margin: 0 auto 100px; padding: 14px 20px; display: flex; align-items: center; justify-content: center; gap: 18px; flex-wrap: wrap; border: 1px solid #e5e7ef; border-radius: 18px; background: rgba(255,255,255,.8); color: #697287; font-size: 11px; font-weight: 750; }
.landing-proof-strip i { width: 4px; height: 4px; border-radius: 50%; background: #bbbfd0; }
.landing-section { width: min(1180px, calc(100% - 36px)); margin: 112px auto; }
.section-intro { max-width: 760px; }
.section-intro.centered { margin-inline: auto; text-align: center; }
.section-intro h2 { font-size: clamp(34px, 4vw, 50px); line-height: 1.08; letter-spacing: -.04em; }
.section-intro p { font-size: 16px; }

.problem-solution-grid { display: grid; grid-template-columns: minmax(0,1fr) 54px minmax(0,1fr); align-items: stretch; gap: 18px; }
.problem-card { padding: 30px; border: 1px solid #e5e7ef; border-radius: 24px; background: #fff; box-shadow: 0 12px 35px rgba(45,52,85,.05); }
.problem-card h3 { margin: 13px 0 22px; font-size: 23px; line-height: 1.25; }
.problem-label { display: inline-flex; padding: 6px 9px; border-radius: 999px; background: #f1f2f6; color: #6e7689; font-size: 9px; font-weight: 850; text-transform: uppercase; letter-spacing: .08em; }
.problem-card ul { list-style: none; display: grid; gap: 12px; margin: 0; padding: 0; }
.problem-card li { position: relative; padding: 12px 12px 12px 38px; border-radius: 12px; background: #f8f9fb; color: #5d667a; font-size: 12px; line-height: 1.45; }
.problem-card li::before { content: "×"; position: absolute; left: 12px; top: 50%; width: 18px; height: 18px; display: grid; place-items: center; border-radius: 6px; background: #fff0f2; color: #c13954; font-weight: 900; transform: translateY(-50%); }
.problem-card.solution-card { border-color: #d6d3ff; background: linear-gradient(145deg,#fff,#f7f6ff); }
.solution-card .problem-label { background: #e9f8f3; color: #087b63; }
.solution-card li { background: #fff; }
.solution-card li::before { content: "✓"; background: #e9f8f3; color: #087b63; }
.solution-arrow { display: grid; place-items: center; color: var(--primary); font-size: 28px; }

.feature-showcase { position: relative; }
.feature-grid-expanded { grid-template-columns: repeat(3,1fr); }
.feature-grid-expanded .feature-card { min-height: 250px; position: relative; overflow: hidden; }
.feature-grid-expanded .feature-card p { font-size: 13px; }
.feature-grid-expanded .feature-card.featured { background: linear-gradient(145deg,#302f69,#5b57cb); color: #fff; border-color: transparent; }
.feature-grid-expanded .feature-card.featured .feature-icon { background: rgba(255,255,255,.12); color: #fff; }
.feature-grid-expanded .feature-card.featured p { color: #dfe1ff; }
.feature-mini-table { position: absolute; left: 24px; right: 24px; bottom: 21px; display: grid; grid-template-columns: repeat(6,1fr); gap: 3px; }
.feature-mini-table i { height: 20px; border-radius: 4px; background: rgba(255,255,255,.12); }
.feature-mini-table i:nth-child(3n+1) { background: rgba(134,219,198,.36); }
.feature-mini-table i:nth-child(4n+2) { background: rgba(188,180,255,.42); }
.feature-card:hover { border-color: #d3d0fb; }

.workflow-section { display: grid; grid-template-columns: minmax(0,.9fr) minmax(430px,1.1fr); gap: 70px; align-items: center; }
.workflow-copy h2 { margin: 10px 0 14px; font-size: clamp(34px,4vw,49px); line-height: 1.08; letter-spacing: -.04em; }
.workflow-copy > p { color: var(--muted); line-height: 1.7; }
.workflow-points { display: grid; gap: 12px; margin-top: 26px; }
.workflow-points > div { display: grid; grid-template-columns: 36px 1fr; gap: 12px; align-items: start; }
.workflow-points > div > span { width: 34px; height: 34px; display: grid; place-items: center; border-radius: 11px; background: #efedff; color: var(--primary); font-size: 12px; font-weight: 900; }
.workflow-points p { margin: 0; }
.workflow-points b, .workflow-points small { display: block; }
.workflow-points b { color: #343c51; font-size: 13px; }
.workflow-points small { margin-top: 4px; color: #7a8396; font-size: 10px; line-height: 1.5; }
.workflow-visual { padding: 25px; border-radius: 31px; background: linear-gradient(145deg,#eef0ff,#eef9f6); }
.workflow-window { padding: 18px; border: 1px solid #dfe3ec; border-radius: 21px; background: #fff; box-shadow: 0 22px 55px rgba(44,52,86,.11); }
.workflow-window-head { display: flex; align-items: center; gap: 6px; padding-bottom: 14px; border-bottom: 1px solid #ebedf2; }
.workflow-window-head span { width: 8px; height: 8px; border-radius: 50%; background: #d9dce6; }
.workflow-window-head b { margin-left: 5px; color: #5d6679; font-size: 10px; }
.workflow-progress { display: grid; grid-template-columns: repeat(4,1fr); gap: 5px; margin: 16px 0; }
.workflow-progress i { height: 5px; border-radius: 999px; background: #e8eaf0; }
.workflow-progress i.done { background: #16a085; }
.workflow-progress i.active { background: var(--primary); }
.workflow-form-row { display: grid; grid-template-columns: 90px 1fr auto; gap: 10px; align-items: center; min-height: 50px; padding: 0 12px; border: 1px solid #e8eaf0; border-radius: 11px; margin-top: 8px; }
.workflow-form-row span { color: #81899a; font-size: 9px; }
.workflow-form-row b { color: #394156; font-size: 11px; }
.workflow-form-row em { padding: 5px 7px; border-radius: 7px; background: #eaf8f3; color: #087b63; font-size: 8px; font-style: normal; font-weight: 800; }
.workflow-rule-grid { display: grid; grid-template-columns: repeat(5,1fr); gap: 5px; margin: 16px 0; padding: 12px; border-radius: 12px; background: #f6f7fa; }
.workflow-rule-grid i { height: 28px; border-radius: 6px; background: #ddf3ec; }
.workflow-rule-grid i.blocked { background: #ffe6eb; }
.workflow-action { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.workflow-action span { color: #7e8698; font-size: 9px; }
.workflow-action b { padding: 10px 12px; border-radius: 10px; background: var(--primary); color: #fff; font-size: 9px; }

.role-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; }
.role-grid article { padding: 27px; border: 1px solid var(--line); border-radius: 22px; background: #fff; text-align: center; }
.role-grid article > span { width: 52px; height: 52px; margin: 0 auto; display: grid; place-items: center; border-radius: 17px; background: #efedff; color: var(--primary); font-weight: 900; }
.role-grid article:nth-child(2) > span { background: #e8f8f2; color: #087b63; }
.role-grid article:nth-child(3) > span { background: #fff1ec; color: #a45139; }
.role-grid h3 { margin: 16px 0 8px; }
.role-grid p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.6; }

.security-section { display: grid; grid-template-columns: minmax(390px,.85fr) minmax(0,1.15fr); gap: 70px; align-items: center; padding: 54px; border-radius: 32px; background: #272b50; color: #fff; }
.security-copy .eyebrow { color: #aaa6ff; }
.security-copy h2 { margin: 10px 0 14px; font-size: clamp(33px,4vw,48px); line-height: 1.08; letter-spacing: -.04em; }
.security-copy > p { color: #c8cde0; line-height: 1.7; }
.security-list { display: grid; gap: 11px; margin-top: 24px; }
.security-list > div { display: grid; grid-template-columns: 30px 1fr; gap: 11px; padding: 12px; border: 1px solid rgba(255,255,255,.1); border-radius: 13px; background: rgba(255,255,255,.055); }
.security-list > div > span { width: 29px; height: 29px; display: grid; place-items: center; border-radius: 9px; background: rgba(28,194,151,.14); color: #75dfc1; font-weight: 900; }
.security-list p { margin: 0; }
.security-list b, .security-list small { display: block; }
.security-list b { font-size: 11px; }
.security-list small { margin-top: 4px; color: #b8bed2; font-size: 9px; line-height: 1.5; }
.security-visual { position: relative; min-height: 390px; display: grid; place-items: center; }
.security-orbit { position: absolute; border: 1px solid rgba(255,255,255,.13); border-radius: 50%; }
.orbit-one { width: 310px; height: 310px; }
.orbit-two { width: 220px; height: 220px; }
.security-lock { position: relative; z-index: 2; width: 138px; height: 138px; display: grid; place-items: center; align-content: center; gap: 8px; border: 1px solid rgba(255,255,255,.18); border-radius: 42px; background: linear-gradient(145deg,rgba(104,96,220,.9),rgba(62,61,139,.92)); box-shadow: 0 22px 55px rgba(11,14,39,.3); color: #8ff0d5; font-size: 39px; }
.security-lock small { color: #fff; font-size: 9px; font-weight: 800; }
.security-chip { position: absolute; padding: 8px 11px; border: 1px solid rgba(255,255,255,.15); border-radius: 999px; background: rgba(255,255,255,.09); color: #dfe2f1; font-size: 9px; font-weight: 750; }
.chip-one { top: 42px; left: 22px; }
.chip-two { right: 4px; top: 160px; }
.chip-three { bottom: 42px; left: 35px; }

.faq-section { max-width: 980px; }
.faq-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.faq-grid details { border: 1px solid var(--line); border-radius: 15px; background: #fff; overflow: hidden; }
.faq-grid summary { position: relative; list-style: none; padding: 18px 46px 18px 18px; color: #343c51; font-size: 12px; font-weight: 800; cursor: pointer; }
.faq-grid summary::-webkit-details-marker { display: none; }
.faq-grid summary::after { content: "+"; position: absolute; right: 17px; top: 50%; width: 23px; height: 23px; display: grid; place-items: center; border-radius: 8px; background: #f0efff; color: var(--primary); transform: translateY(-50%); }
.faq-grid details[open] summary::after { content: "−"; }
.faq-grid p { margin: 0; padding: 0 18px 18px; color: var(--muted); font-size: 11px; line-height: 1.65; }

.final-cta-section { width: min(1220px,calc(100% - 32px)); }
.landing-banner { position: relative; overflow: hidden; padding: 55px 58px; background: linear-gradient(122deg,#292d58,#5551bc 64%,#6b62d6); }
.landing-banner::after { content: ""; position: absolute; right: -130px; top: -150px; width: 390px; height: 390px; border: 1px solid rgba(255,255,255,.12); border-radius: 50%; box-shadow: 0 0 0 72px rgba(255,255,255,.035), 0 0 0 145px rgba(255,255,255,.025); }
.landing-banner > * { position: relative; z-index: 2; }
.banner-badge { display: inline-flex; padding: 6px 9px; border: 1px solid rgba(255,255,255,.16); border-radius: 999px; background: rgba(255,255,255,.08); color: #e9eaff; font-size: 9px; font-weight: 800; }
.landing-banner h2 { max-width: 670px; margin-top: 15px; font-size: clamp(34px,4vw,49px); line-height: 1.08; letter-spacing: -.035em; }
.banner-actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 22px; }
.banner-secondary { background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.16); color: #fff; }
.banner-secondary:hover { background: rgba(255,255,255,.16); }
.banner-metrics { min-width: 300px; display: grid; gap: 9px; }
.banner-metrics > div { padding: 13px 15px; border: 1px solid rgba(255,255,255,.12); border-radius: 13px; background: rgba(255,255,255,.07); }
.banner-metrics b, .banner-metrics span { display: block; }
.banner-metrics b { font-size: 17px; }
.banner-metrics span { margin-top: 3px; color: #d6d8f2; font-size: 9px; }

.landing-footer { width: min(1220px,calc(100% - 36px)); margin: 0 auto; padding: 35px 0 42px; display: grid; grid-template-columns: 1fr auto auto; align-items: center; gap: 30px; text-align: left; }
.landing-footer > div p { margin: 8px 0 0; color: var(--muted); font-size: 10px; }
.landing-footer nav { display: flex; gap: 7px; flex-wrap: wrap; }
.landing-footer nav a { padding: 7px 9px; border-radius: 8px; color: #657086; font-size: 10px; font-weight: 700; }
.landing-footer nav a:hover { background: #f1f0ff; color: var(--primary); }
.landing-footer > span { color: #9299a8; font-size: 9px; }

/* Stable schedule columns: prevents mini mode from reflowing while dragging. */
.schedule-studio {
  --schedule-cell-width: 54px;
  --schedule-row-height: 50px;
  --schedule-class-width: 104px;
}
.schedule-studio.density-mini {
  --schedule-cell-width: 44px;
  --schedule-row-height: 36px;
  --schedule-class-width: 92px;
}
.schedule-studio.density-compact {
  --schedule-cell-width: 54px;
  --schedule-row-height: 50px;
  --schedule-class-width: 104px;
}
.schedule-studio.density-comfortable {
  --schedule-cell-width: 68px;
  --schedule-row-height: 68px;
  --schedule-class-width: 118px;
}
.schedule-studio .distribution-table { table-layout: fixed; contain: layout paint; }
.schedule-studio .distribution-table col.schedule-class-col { width: var(--schedule-class-width); }
.schedule-studio .distribution-table col.schedule-slot-col { width: var(--schedule-cell-width); }
.schedule-studio .distribution-table .period-col,
.schedule-studio .distribution-cell { width: var(--schedule-cell-width); min-width: var(--schedule-cell-width); max-width: var(--schedule-cell-width); }
.schedule-studio .distribution-cell { height: var(--schedule-row-height); min-height: var(--schedule-row-height); }
.schedule-studio .class-sticky { width: var(--schedule-class-width); min-width: var(--schedule-class-width); max-width: var(--schedule-class-width); }
.schedule-studio .distribution-table .day-group { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.schedule-studio .compact-lesson { width: 100%; max-width: 100%; overflow: hidden; }
.schedule-studio .compact-lesson.dragging { opacity: .28; outline: 2px dashed var(--primary); outline-offset: -2px; }
.schedule-studio .distribution-cell.drop-valid { background: #eeecff; box-shadow: inset 0 0 0 2px rgba(91,91,214,.45); }
.schedule-studio.density-mini .distribution-table .period-col { height: 31px; padding: 2px; }
.schedule-studio.density-mini .distribution-table .period-col b { font-size: 8px; }
.schedule-studio.density-mini .distribution-table .period-col small { display: none; }
.schedule-studio.density-mini .distribution-table .day-group { height: 27px; padding: 3px; font-size: 8px; letter-spacing: .03em; }
.schedule-studio.density-mini .class-sticky { padding: 3px 5px !important; }
.schedule-studio.density-mini .class-sticky .class-color { width: 6px; height: 22px; vertical-align: middle; }
.schedule-studio.density-mini .class-sticky b { display: inline; max-width: 67px; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; vertical-align: middle; font-size: 8px; }
.schedule-studio.density-mini .class-sticky small { display: none; }
.schedule-studio.density-mini .distribution-cell.occupied { padding: 2px; }
.schedule-studio.density-mini .compact-lesson { min-height: 30px; height: 30px; display: grid; place-items: center; padding: 3px 4px; border-left-width: 3px; border-radius: 5px; box-shadow: none; }
.schedule-studio.density-mini .compact-lesson b { width: 100%; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; text-align: center; font-size: 8px; line-height: 1.1; }
.schedule-studio.density-mini .compact-lesson span,
.schedule-studio.density-mini .compact-lesson small,
.schedule-studio.density-mini .compact-lesson i { display: none; }
.schedule-studio.density-mini .lesson-lock { width: 13px; height: 13px; right: 1px; top: 1px; border-radius: 4px; font-size: 6px; opacity: 0; transition: opacity .08s ease; }
.schedule-studio.density-mini .compact-lesson:hover .lesson-lock,
.schedule-studio.density-mini .compact-lesson:focus-within .lesson-lock,
.schedule-studio.density-mini .compact-lesson.selected .lesson-lock { opacity: 1; }
.schedule-studio.density-mini .pool-grid { grid-template-columns: repeat(auto-fill,minmax(138px,1fr)); gap: 6px; }
.schedule-studio.density-mini .pool-card { min-height: 38px; padding: 5px 7px 5px 8px; border-radius: 8px; }
.schedule-studio.density-mini .pool-card b { font-size: 9px; }
.schedule-studio.density-mini .pool-card span { font-size: 7px; }
.schedule-studio.density-mini .pool-card-meta small { font-size: 7px; }
.workspace:fullscreen .schedule-studio.density-mini .distribution-cell,
.workspace.schedule-fullscreen-mode .schedule-studio.density-mini .distribution-cell { height: var(--schedule-row-height); }

.schedule-mini-preview { padding: 12px 14px 14px; }
.mini-preview-rows { grid-template-columns: repeat(auto-fit,minmax(265px,1fr)); gap: 6px 12px; max-height: 170px; padding-right: 3px; }
.mini-preview-row { grid-template-columns: 64px minmax(0,1fr); min-height: 30px; padding: 5px 7px; border: 1px solid transparent; }
.mini-preview-row:hover { border-color: #e1dfff; }
.mini-preview-row.active { border-color: #cbc7fb; background: #f3f2ff; }
.mini-preview-row b { font-size: 9px; }
.mini-preview-grid { grid-auto-flow: row; grid-template-columns: repeat(var(--mini-periods, 40), minmax(3px,1fr)); grid-auto-columns: auto; gap: 1px; }
.mini-preview-cell { min-width: 3px; height: 7px; border-radius: 1.5px; }

@media (max-width: 1120px) {
  .landing-hero { grid-template-columns: 1fr; min-height: 0; padding-top: 45px; }
  .landing-copy { max-width: 780px; text-align: center; margin: auto; }
  .hero-badge { margin-inline: auto; }
  .landing-copy > p { margin-inline: auto; }
  .landing-cta, .landing-note { justify-content: center; }
  .hero-app-preview { width: min(780px,100%); margin: 10px auto 0; }
  .preview-float-left { left: -20px; }
  .preview-float-right { right: -20px; }
  .workflow-section { grid-template-columns: 1fr; gap: 40px; }
  .workflow-copy { max-width: 780px; }
  .security-section { grid-template-columns: 340px 1fr; gap: 40px; padding: 42px; }
}

@media (max-width: 900px) {
  .landing-nav { display: none; }
  .landing-actions { margin-left: auto; }
  .landing-mobile-menu { display: block; margin-left: 0; }
  .feature-grid-expanded { grid-template-columns: repeat(2,1fr); }
  .problem-solution-grid { grid-template-columns: 1fr; }
  .solution-arrow { transform: rotate(90deg); min-height: 34px; }
  .role-grid { grid-template-columns: 1fr; }
  .security-section { grid-template-columns: 1fr; }
  .security-visual { min-height: 320px; }
  .faq-grid { grid-template-columns: 1fr; }
  .landing-banner { align-items: flex-start; flex-direction: column; }
  .banner-metrics { width: 100%; grid-template-columns: repeat(3,1fr); }
  .landing-footer { grid-template-columns: 1fr; text-align: center; justify-items: center; }
}

@media (max-width: 720px) {
  .landing-header { top: 6px; width: calc(100% - 18px); margin-top: 6px; height: 62px; padding-inline: 11px; }
  .landing-header .brand > span:last-child { display: none; }
  .landing-actions .soft { display: none; }
  .landing-actions .btn { min-height: 40px; padding: 8px 11px; font-size: 11px; }
  .landing-hero { width: min(100% - 24px,1220px); padding-top: 34px; margin-bottom: 42px; }
  .landing-copy h1 { font-size: clamp(42px,13vw,58px); }
  .landing-copy > p { font-size: 15px; }
  .hero-trust-line { grid-template-columns: 1fr; }
  .hero-app-preview { padding: 9px; border-radius: 22px; }
  .preview-body { grid-template-columns: 30px minmax(0,1fr); min-height: 405px; }
  .preview-side { padding-inline: 3px; }
  .preview-side span { width: 24px; height: 24px; }
  .preview-main { padding: 7px; }
  .preview-toolbar-actions span { display: none; }
  .preview-stats { grid-template-columns: repeat(2,1fr); }
  .preview-row { grid-template-columns: 40px repeat(5,minmax(38px,1fr)); }
  .preview-schedule { overflow-x: auto; }
  .preview-row { min-width: 310px; }
  .preview-pool { grid-template-columns: 1fr; }
  .preview-pool span:nth-of-type(n+3) { display: none; }
  .preview-float-card { display: none; }
  .landing-proof-strip { margin-bottom: 72px; gap: 10px 13px; }
  .landing-proof-strip i { display: none; }
  .landing-section { width: min(100% - 24px,1180px); margin: 82px auto; }
  .section-intro h2 { font-size: 34px; }
  .feature-grid-expanded { grid-template-columns: 1fr; }
  .feature-grid-expanded .feature-card { min-height: 0; }
  .feature-grid-expanded .feature-card.featured { min-height: 270px; }
  .workflow-visual { padding: 11px; }
  .workflow-form-row { grid-template-columns: 70px 1fr auto; }
  .security-section { width: min(100% - 16px,1180px); padding: 29px 20px; }
  .security-visual { min-height: 270px; transform: scale(.88); margin: -22px 0; }
  .banner-metrics { grid-template-columns: 1fr; min-width: 0; }
  .landing-banner { padding: 34px 24px; }
  .landing-footer { width: min(100% - 24px,1220px); }
  .landing-footer nav { justify-content: center; }
  .mini-preview-rows { grid-template-columns: 1fr; max-height: 190px; }
  .mini-preview-row { grid-template-columns: 55px minmax(0,1fr); }
}

@media (prefers-reduced-motion: reduce) {
  .landing-page *, .landing-page *::before, .landing-page *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; transition-duration: .01ms !important; }
}
.schedule-drag-ghost { position: fixed; left: -10000px; top: -10000px; z-index: -1; width: 150px; min-height: 38px; display: grid; place-items: center; padding: 8px 10px; overflow: hidden; border: 1px solid #c9c5fb; border-left: 4px solid var(--lesson-color,#5b5bd6); border-radius: 10px; background: #fff; color: #30384c; box-shadow: 0 12px 28px rgba(37,44,75,.2); }
.schedule-drag-ghost b { max-width: 100%; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; font-size: 11px; }
.schedule-drag-ghost span, .schedule-drag-ghost small, .schedule-drag-ghost i { display: none; }

/* v1.7 — modern kısıt merkezi ve akıllı otomatik dağıtım seçenekleri */
.quick-manager-modal { border-radius: 24px; }
.quick-manager-head { min-height: 88px; padding: 20px 28px 15px; background: linear-gradient(180deg,#fff,#fbfbfe); }
.quick-manager-head h2 { font-size: 24px; letter-spacing: -.02em; }
.quick-manager-tabs { display: grid; grid-template-columns: repeat(6,minmax(0,1fr)); gap: 8px; overflow-x: auto; padding: 13px 26px 14px; border-bottom: 1px solid var(--line); background: #f7f8fc; }
.quick-manager-tabs button,
.quick-manager-tabs button:first-child { min-width: 0; height: 78px; border: 1px solid #e3e6ee; border-radius: 14px; background: #fff; color: #697286; display: grid; grid-template-columns: 36px minmax(0,1fr) auto; grid-template-rows: 1fr; align-items: center; gap: 9px; padding: 10px 11px; text-align: left; box-shadow: 0 3px 10px rgba(44,52,82,.035); }
.quick-manager-tabs button:hover { border-color: #cbc8f9; background: #fdfdff; transform: translateY(-1px); }
.quick-manager-tabs button::after { display: none; }
.quick-manager-tabs .quick-tab-icon { grid-row: auto; width: 36px; height: 36px; display: grid; place-items: center; border-radius: 11px; background: #f0f2f7; color: #6d7486; font-size: 18px; }
.quick-manager-tabs .quick-tab-copy { min-width: 0; }
.quick-manager-tabs .quick-tab-copy b,
.quick-manager-tabs .quick-tab-copy em { display: block; min-width: 0; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.quick-manager-tabs .quick-tab-copy b { color: #343c50; font-size: 11px; }
.quick-manager-tabs .quick-tab-copy em { margin-top: 4px; color: #959cab; font-size: 7.5px; font-style: normal; font-weight: 600; }
.quick-manager-tabs button small { grid-column: auto; width: 25px; height: 25px; display: grid; place-items: center; border-radius: 999px; background: #f0f2f7; color: #667084; font-size: 8px; font-weight: 850; }
.quick-manager-tabs button.active { border-color: #bdb8f7; background: linear-gradient(145deg,#f5f4ff,#fff); color: var(--primary); box-shadow: 0 8px 22px rgba(91,91,214,.11), inset 0 -3px 0 var(--primary); }
.quick-manager-tabs button.active .quick-tab-icon { background: linear-gradient(135deg,var(--primary),var(--primary2)); color: #fff; box-shadow: 0 7px 15px rgba(91,91,214,.22); }
.quick-manager-tabs button.active .quick-tab-copy b { color: var(--primary); }
.quick-manager-tabs button.active small { background: #e8e6ff; color: var(--primary); }
.quick-manager-toolbar { padding-top: 15px; }
.quick-list { height: calc(100% - 275px); border-radius: 16px; }

.quick-availability-modal { width: min(1220px,calc(100vw - 30px)); max-width: 1220px; max-height: calc(100vh - 30px); overflow: hidden; border-radius: 24px; }
.quick-availability-head { min-height: 96px; display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 19px 28px 16px; background: linear-gradient(180deg,#fff,#fbfbfe); }
.quick-availability-title { display: flex; align-items: center; gap: 14px; }
.quick-availability-head h2 { font-size: 23px; }
.quick-availability-head p { font-size: 10px; }
.availability-summary-strip { display: grid; grid-template-columns: repeat(3,150px) minmax(210px,1fr); align-items: stretch; gap: 8px; padding: 12px 28px; border-bottom: 1px solid var(--line); background: #f7f8fb; }
.availability-summary-strip > div:not(.availability-legend),
.constraint-stat-grid > div { min-height: 57px; display: grid; grid-template-columns: 32px 1fr; grid-template-rows: 1fr 1fr; align-items: center; column-gap: 9px; padding: 8px 11px; border: 1px solid #e5e8ef; border-radius: 12px; background: #fff; }
.availability-summary-strip b,
.constraint-stat-grid b { align-self: end; color: #30384d; font-size: 15px; line-height: 1; }
.availability-summary-strip small,
.constraint-stat-grid small { align-self: start; color: var(--muted); font-size: 8px; }
.summary-icon { grid-row: 1 / 3; width: 30px; height: 30px; display: grid; place-items: center; border-radius: 9px; font-size: 12px; font-weight: 900; }
.summary-icon.available { background: #e8f8f3; color: #058468; }
.summary-icon.blocked { background: #fff0f3; color: #c02e4d; }
.summary-icon.rate { background: #efefff; color: var(--primary); }
.availability-legend { display: flex; align-items: center; justify-content: flex-end; gap: 18px; color: #6c7486; font-size: 9px; font-weight: 750; }
.availability-legend span { display: inline-flex; align-items: center; gap: 6px; }
.availability-legend i { width: 10px; height: 10px; border-radius: 4px; }
.availability-legend i.open { background: #16a37e; }
.availability-legend i.closed { background: #e24c68; }
.availability-quick-tools { display: flex; align-items: end; justify-content: space-between; gap: 12px; padding: 13px 28px; border-bottom: 1px solid var(--line); background: #fff; }
.availability-tool-group,
.availability-copy-group { display: flex; align-items: end; gap: 7px; }
.availability-copy-group label { min-width: 270px; gap: 4px; color: #7a8293; font-size: 8px; }
.availability-copy-group select { min-height: 35px; padding: 7px 10px; font-size: 10px; }
.quick-availability-scroll { max-height: calc(100vh - 390px); overflow: auto; padding: 18px 28px; background: #fbfbfd; }
.quick-availability-grid { min-width: 760px; padding: 0; overflow: visible; grid-template-columns: 118px repeat(var(--period-count),minmax(68px,1fr)); gap: 6px; }
.grid-corner,
.grid-period,
.grid-day { display: grid; place-items: center; min-height: 46px; border: 1px solid #e4e7ee; border-radius: 10px; background: #fff; color: #747d90; }
.grid-corner { font-size: 8px; font-weight: 850; text-transform: uppercase; letter-spacing: .05em; }
.grid-period b { color: #3e4659; font-size: 9px; }
.grid-period small { margin-top: 2px; color: #9299a8; font-size: 7px; }
.grid-day { justify-items: start; padding-left: 14px; color: #3e4659; font-size: 10px; font-weight: 850; }
.quick-availability-cell { min-height: 50px; display: grid; grid-template-columns: 9px 1fr; align-items: center; justify-items: start; gap: 7px; padding: 8px 9px; border: 1px solid #cdece2; border-radius: 10px; background: #effaf7; color: #087c63; box-shadow: none; }
.quick-availability-cell:hover { border-color: #71cfb5; background: #e5f8f2; transform: translateY(-1px); }
.quick-availability-cell.blocked { border-color: #f3cbd3; background: #fff2f4; color: #b62e4a; }
.quick-availability-cell.blocked:hover { border-color: #e994a6; background: #ffecef; }
.availability-cell-dot { width: 8px; height: 8px; border-radius: 3px; background: #19a77f; }
.blocked .availability-cell-dot { background: #e24e69; }
.quick-availability-cell b { font-size: 8px; }
.quick-availability-actions { min-height: 70px; padding: 12px 28px; }
.quick-availability-actions > span { font-size: 9px; }

.constraint-shell { overflow: hidden; border: 1px solid #e1e4ec; border-radius: 22px; background: #fff; box-shadow: 0 9px 30px rgba(41,48,78,.055); }
.constraint-tabs { display: grid; grid-template-columns: repeat(3,1fr); gap: 9px; padding: 13px; border-bottom: 1px solid var(--line); background: #f7f8fc; }
.constraint-tabs button { min-width: 0; min-height: 76px; display: grid; grid-template-columns: 40px minmax(0,1fr) 28px; align-items: center; gap: 10px; border: 1px solid #e3e6ee; border-radius: 14px; padding: 10px 12px; background: #fff; color: #687186; cursor: pointer; text-align: left; }
.constraint-tabs button > span:first-child { width: 38px; height: 38px; display: grid; place-items: center; border-radius: 12px; background: #eef0f5; color: #697286; font-size: 18px; }
.constraint-tabs button > span:nth-child(2) { min-width: 0; }
.constraint-tabs button b,
.constraint-tabs button small { display: block; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.constraint-tabs button b { color: #353d51; font-size: 11px; }
.constraint-tabs button small { margin-top: 4px; color: #9299a8; font-size: 8px; font-weight: 600; }
.constraint-tabs button em { width: 26px; height: 26px; display: grid; place-items: center; border-radius: 999px; background: #f0f2f7; color: #687186; font-size: 8px; font-style: normal; font-weight: 850; }
.constraint-tabs button:hover { border-color: #cbc8f9; transform: translateY(-1px); }
.constraint-tabs button.active { border-color: #bcb8f5; background: linear-gradient(145deg,#f4f3ff,#fff); box-shadow: 0 7px 20px rgba(91,91,214,.09), inset 0 -3px 0 var(--primary); }
.constraint-tabs button.active > span:first-child { background: linear-gradient(135deg,var(--primary),var(--primary2)); color: #fff; box-shadow: 0 7px 15px rgba(91,91,214,.2); }
.constraint-tabs button.active b,
.constraint-tabs button.active em { color: var(--primary); }
.constraint-tabs button.active em { background: #e9e7ff; }
.constraint-workspace { display: grid; grid-template-columns: 350px minmax(0,1fr); min-height: 650px; }
.constraint-entity-panel { min-width: 0; border-right: 1px solid var(--line); background: #fafbfc; }
.constraint-entity-head { min-height: 63px; display: flex; align-items: center; justify-content: space-between; padding: 13px 16px 8px; }
.constraint-entity-head b,
.constraint-entity-head small { display: block; }
.constraint-entity-head b { color: #343c50; font-size: 12px; }
.constraint-entity-head small { margin-top: 3px; color: var(--muted); font-size: 8px; }
.constraint-help-dot { width: 26px; height: 26px; display: grid; place-items: center; border: 1px solid #dfe3eb; border-radius: 9px; color: #788194; background: #fff; font-size: 9px; font-weight: 850; cursor: help; }
.constraint-search { position: relative; display: block; margin: 0 14px 10px; }
.constraint-search > span { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); color: #969dab; }
.constraint-search input { width: 100%; min-height: 40px; padding-left: 34px; background: #fff; font-size: 10px; }
.constraint-entity-list { max-height: 575px; overflow: auto; padding: 0 10px 14px; }
.constraint-entity-card { width: 100%; min-height: 70px; display: grid; grid-template-columns: 40px minmax(0,1fr) auto 42px; align-items: center; gap: 9px; margin-bottom: 7px; padding: 9px; border: 1px solid transparent; border-radius: 13px; background: transparent; color: inherit; cursor: pointer; text-align: left; }
.constraint-entity-card:hover { border-color: #e1dffa; background: #f5f4ff; }
.constraint-entity-card.active { border-color: #c7c3f6; background: #efeeff; box-shadow: 0 6px 17px rgba(91,91,214,.08); }
.constraint-avatar { width: 38px; height: 38px; display: grid; place-items: center; flex: 0 0 auto; border-radius: 12px; background: color-mix(in srgb,var(--entity-color,#5b5bd6) 14%,white); border: 1px solid color-mix(in srgb,var(--entity-color,#5b5bd6) 28%,white); color: var(--entity-color,#5b5bd6); font-size: 9px; font-weight: 900; }
.constraint-avatar.large { width: 50px; height: 50px; border-radius: 15px; font-size: 11px; }
.constraint-entity-copy { min-width: 0; }
.constraint-entity-copy b,
.constraint-entity-copy small { display: block; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.constraint-entity-copy b { color: #343c50; font-size: 10px; }
.constraint-entity-copy small { margin-top: 4px; color: #8a92a2; font-size: 7.5px; }
.constraint-card-visual { display: grid; justify-items: end; gap: 3px; }
.constraint-card-visual em { color: #8d94a3; font-size: 7px; font-style: normal; font-weight: 700; }
.constraint-card-visual .quick-condition-mini { grid-template-columns: repeat(var(--quick-periods),4px); }
.constraint-card-visual .quick-condition-mini i { width: 4px; height: 4px; }
.constraint-rate { width: 39px; height: 27px; display: grid; place-items: center; border-radius: 9px; background: #e7f7f2; color: #087d65; font-size: 8px; font-weight: 900; }
.constraint-rate.low { background: #fff0f3; color: #b9324d; }
.constraint-editor { min-width: 0; padding: 22px; overflow: hidden; background: #fff; }
.constraint-editor-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.constraint-editor-person { display: flex; align-items: center; gap: 13px; min-width: 0; }
.constraint-editor-person h2 { margin: 4px 0 3px; color: #30384c; font-size: 22px; }
.constraint-editor-person p { margin: 0; color: #858d9e; font-size: 9px; }
.constraint-editor-rate { min-width: 96px; padding: 10px 13px; border: 1px solid #dedcf9; border-radius: 13px; background: #f6f5ff; text-align: center; }
.constraint-editor-rate b,
.constraint-editor-rate span { display: block; }
.constraint-editor-rate b { color: var(--primary); font-size: 20px; }
.constraint-editor-rate span { margin-top: 2px; color: #7f8798; font-size: 7px; }
.constraint-stat-grid { display: grid; grid-template-columns: repeat(3,minmax(125px,170px)); gap: 8px; margin: 17px 0 12px; }
.constraint-tools { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 10px; border: 1px solid #e6e8ef; border-radius: 13px; background: #fafbfc; }
.constraint-tool-buttons,
.constraint-copy { display: flex; gap: 6px; align-items: center; }
.constraint-copy select { min-width: 210px; min-height: 35px; padding: 7px 9px; font-size: 9px; }
.constraint-grid-scroll { margin-top: 13px; overflow: auto; padding: 12px; border: 1px solid #e6e8ef; border-radius: 15px; background: #fafbfc; }
.constraint-availability-grid { min-width: 760px; display: grid; grid-template-columns: 118px repeat(var(--period-count),minmax(70px,1fr)); gap: 6px; }
.constraint-availability-cell { min-height: 60px; display: grid; grid-template-columns: 9px 1fr; grid-template-rows: 1fr 1fr; align-items: center; column-gap: 7px; padding: 8px 9px; border: 1px solid #cdece2; border-radius: 10px; background: #effaf7; color: #087c63; cursor: pointer; text-align: left; }
.constraint-availability-cell:hover { border-color: #71cfb5; background: #e5f8f2; transform: translateY(-1px); }
.constraint-availability-cell.blocked { border-color: #f3cbd3; background: #fff2f4; color: #b62e4a; }
.constraint-availability-cell.blocked:hover { border-color: #e994a6; background: #ffecef; }
.constraint-availability-cell .availability-cell-dot { grid-row: 1 / 3; }
.constraint-availability-cell b { align-self: end; font-size: 8px; }
.constraint-availability-cell small { align-self: start; color: currentColor; opacity: .65; font-size: 6.5px; }
.constraint-editor-note { display: flex; align-items: flex-start; gap: 9px; margin-top: 12px; padding: 10px 12px; border-radius: 12px; background: #f3f2ff; color: #5d5b9f; }
.constraint-editor-note > span { width: 20px; height: 20px; display: grid; place-items: center; flex: 0 0 auto; border-radius: 7px; background: #dedbff; color: var(--primary); font-size: 9px; font-weight: 900; }
.constraint-editor-note p { margin: 1px 0 0; font-size: 8px; line-height: 1.5; }
.constraint-empty { min-height: 190px; display: grid; place-items: center; align-content: center; gap: 5px; padding: 25px; color: #8a92a2; text-align: center; }
.constraint-empty.large { min-height: 500px; }
.constraint-empty > span { width: 38px; height: 38px; display: grid; place-items: center; border-radius: 12px; background: #efeff6; color: #737c90; font-size: 17px; }
.constraint-empty b { color: #4b5366; font-size: 11px; }
.constraint-empty small { max-width: 280px; font-size: 8px; line-height: 1.5; }

.solver-options-modal { width: min(1040px,calc(100vw - 30px)); max-width: 1040px; border-radius: 24px; }
.solver-options-modal form { max-height: calc(100vh - 30px); overflow: auto; padding: 26px 28px 22px; gap: 18px; }
.solver-options-head { padding-right: 42px; }
.solver-options-head h2 { margin-top: 4px; font-size: 25px; letter-spacing: -.025em; }
.solver-options-head p { margin-top: 6px; font-size: 10px; }
.solver-preset-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 10px; }
.solver-preset-card { position: relative; min-height: 128px; display: grid; grid-template-columns: 42px minmax(0,1fr); align-items: start; gap: 11px; padding: 15px; border: 1px solid #e1e4ec; border-radius: 16px; background: #fff; cursor: pointer; }
.solver-preset-card:hover { border-color: #c9c5f8; transform: translateY(-1px); }
.solver-preset-card.active { border-color: #aaa4f1; background: linear-gradient(145deg,#f2f1ff,#fff); box-shadow: 0 9px 24px rgba(91,91,214,.11); }
.solver-preset-card input { position: absolute; opacity: 0; }
.solver-preset-icon { width: 42px; height: 42px; display: grid; place-items: center; border-radius: 13px; background: #eef0f5; color: #687186; font-size: 20px; }
.solver-preset-card.active .solver-preset-icon { background: linear-gradient(135deg,var(--primary),var(--primary2)); color: #fff; box-shadow: 0 8px 18px rgba(91,91,214,.22); }
.solver-preset-card b,
.solver-preset-card small { display: block; }
.solver-preset-card b { margin-top: 2px; color: #343c50; font-size: 12px; }
.solver-preset-card small { margin-top: 7px; color: #858d9e; font-size: 8px; line-height: 1.5; }
.solver-preset-card em { position: absolute; right: 10px; top: 10px; padding: 4px 7px; border-radius: 999px; background: #e8f8f3; color: #087c63; font-size: 7px; font-style: normal; font-weight: 850; }
.solver-options-section { padding: 15px; border: 1px solid #e5e7ee; border-radius: 17px; background: #fafbfc; }
.solver-section-title { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 11px; }
.solver-section-title b,
.solver-section-title small { display: block; }
.solver-section-title b { color: #343c50; font-size: 11px; }
.solver-section-title small { margin-top: 3px; color: #8b93a3; font-size: 8px; }
.solver-section-title > span { padding: 5px 8px; border-radius: 999px; background: #eceef4; color: #70798c; font-size: 7px; font-weight: 850; }
.solver-toggle-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.solver-toggle-card { position: relative; min-height: 82px; display: grid; grid-template-columns: 34px minmax(0,1fr) 34px; align-items: center; gap: 9px; padding: 10px 11px; border: 1px solid #e2e5ed; border-radius: 13px; background: #fff; cursor: pointer; }
.solver-toggle-card:hover { border-color: #cbc8f8; }
.solver-toggle-card input { position: absolute; opacity: 0; }
.solver-toggle-icon { grid-column: 1; grid-row: 1; width: 34px; height: 34px; display: grid; place-items: center; border-radius: 10px; background: #f0f2f7; color: #687186; font-size: 15px; }
.solver-toggle-card > span:nth-of-type(3) { grid-column: 2; grid-row: 1; }
.solver-toggle-card b,
.solver-toggle-card small { display: block; }
.solver-toggle-card b { color: #3a4256; font-size: 10px; }
.solver-toggle-card small { margin-top: 4px; color: #8a92a2; font-size: 7.5px; line-height: 1.4; }
.solver-toggle-check { grid-column: 3; grid-row: 1; width: 32px; height: 19px; border-radius: 999px; background: #d8dce5; position: relative; }
.solver-toggle-check::after { content: ''; position: absolute; left: 3px; top: 3px; width: 13px; height: 13px; border-radius: 50%; background: #fff; box-shadow: 0 2px 5px rgba(0,0,0,.16); transition: .15s ease; }
.solver-toggle-card input:checked + .solver-toggle-check { background: #11a77d; }
.solver-toggle-card input:checked + .solver-toggle-check::after { transform: translateX(13px); }
.solver-toggle-card:has(input:checked) { border-color: #bfe7da; background: #fbfffd; }
.solver-toggle-card:has(input:checked) .solver-toggle-icon { background: #e5f7f1; color: #087d65; }
.solver-options-info { display: flex; align-items: flex-start; gap: 10px; padding: 11px 13px; border-radius: 13px; background: #f2f1ff; color: #5d5b9f; }
.solver-options-info > span { width: 24px; height: 24px; display: grid; place-items: center; flex: 0 0 auto; border-radius: 8px; background: #dcdaff; color: var(--primary); font-size: 10px; font-weight: 900; }
.solver-options-info p { color: #6563a1; font-size: 8.5px; line-height: 1.5; }
.solver-options-actions { display: flex; justify-content: flex-end; gap: 8px; }
.solver-progress-card { text-align: center; }
.solver-progress-icon { width: 48px; height: 48px; display: grid; place-items: center; margin: 0 auto 12px; border-radius: 15px; background: linear-gradient(135deg,var(--primary),var(--primary2)); color: #fff; font-size: 21px; box-shadow: 0 10px 24px rgba(91,91,214,.24); }
.solver-mode-chip { display: inline-flex; margin-top: 12px; padding: 6px 9px; border-radius: 999px; background: #efefff; color: var(--primary); font-size: 8px; font-weight: 800; }

@media (max-width: 1120px) {
  .quick-manager-tabs { grid-template-columns: repeat(6,150px); }
  .constraint-workspace { grid-template-columns: 310px minmax(0,1fr); }
  .constraint-tools { align-items: stretch; flex-direction: column; }
  .constraint-copy select { flex: 1; }
}

@media (max-width: 860px) {
  .constraint-tabs { grid-template-columns: repeat(3,220px); overflow-x: auto; }
  .constraint-workspace { grid-template-columns: 1fr; }
  .constraint-entity-panel { border-right: 0; border-bottom: 1px solid var(--line); }
  .constraint-entity-list { max-height: 260px; }
  .constraint-editor { padding: 16px; }
  .constraint-stat-grid { grid-template-columns: repeat(3,1fr); }
  .solver-preset-grid { grid-template-columns: 1fr; }
  .solver-preset-card { min-height: 96px; }
  .solver-toggle-grid { grid-template-columns: 1fr; }
  .availability-summary-strip { grid-template-columns: repeat(3,1fr); }
  .availability-legend { grid-column: 1 / -1; justify-content: flex-start; padding: 5px 2px; }
  .availability-quick-tools { align-items: stretch; flex-direction: column; }
  .availability-copy-group label { min-width: 0; flex: 1; }
}

@media (max-width: 620px) {
  .quick-manager-head { padding-inline: 17px; }
  .quick-manager-tabs { grid-template-columns: repeat(6,132px); padding-inline: 12px; }
  .quick-manager-tabs button { grid-template-columns: 32px minmax(0,1fr) 23px; padding: 8px; }
  .quick-manager-tabs .quick-tab-icon { width: 32px; height: 32px; }
  .quick-manager-tabs .quick-tab-copy em { display: none; }
  .quick-list { height: calc(100% - 255px); }
  .constraint-tabs { grid-template-columns: repeat(3,190px); padding: 9px; }
  .constraint-tabs button { min-height: 67px; }
  .constraint-tabs button small { display: none; }
  .constraint-entity-card { grid-template-columns: 38px minmax(0,1fr) 40px; }
  .constraint-card-visual { display: none; }
  .constraint-editor-head { align-items: flex-start; }
  .constraint-editor-person p { display: none; }
  .constraint-editor-rate { min-width: 76px; }
  .constraint-stat-grid { grid-template-columns: 1fr; }
  .constraint-tools { padding: 8px; }
  .constraint-tool-buttons { display: grid; grid-template-columns: 1fr 1fr; }
  .constraint-tool-buttons .btn:last-child { grid-column: 1 / -1; }
  .constraint-copy { align-items: stretch; }
  .constraint-copy select { min-width: 0; width: 100%; }
  .availability-summary-strip { padding-inline: 14px; }
  .availability-summary-strip > div:not(.availability-legend) { min-width: 0; padding-inline: 8px; }
  .availability-quick-tools,
  .quick-availability-scroll,
  .quick-availability-actions { padding-left: 14px; padding-right: 14px; }
  .availability-tool-group,
  .availability-copy-group { display: grid; grid-template-columns: 1fr 1fr; }
  .availability-copy-group label { grid-column: 1 / -1; }
  .quick-availability-actions { align-items: stretch; flex-direction: column; }
  .quick-availability-actions > div { justify-content: flex-end; }
  .solver-options-modal form { padding: 22px 16px 16px; }
  .solver-options-head h2 { font-size: 21px; }
  .solver-options-actions .btn { flex: 1; }
}
.quick-manager-tabs button > .quick-tab-copy { grid-row: auto; font-size: inherit; color: inherit; }

/* v1.8 — block patterns, lighter dialogs, fit-to-screen schedule and visual time setup */
.soft-toast { position: relative; min-width: 320px; max-width: min(430px,calc(100vw - 24px)); display: grid; grid-template-columns: 38px minmax(0,1fr) 28px; align-items: center; gap: 10px; overflow: hidden; padding: 11px 11px 12px; border: 1px solid #e3e6ef; border-radius: 16px; background: rgba(255,255,255,.98) !important; color: #30384d !important; box-shadow: 0 18px 46px rgba(36,43,73,.18); animation: softToastIn .2s ease both; }
.soft-toast.leaving { animation: softToastOut .18s ease both; }
.soft-toast-icon { width: 36px; height: 36px; display: grid; place-items: center; border-radius: 11px; background: #eef0f6; color: #687186; font-size: 16px; font-weight: 900; }
.soft-toast.success .soft-toast-icon { background: #e6f8f2; color: #078268; }
.soft-toast.error .soft-toast-icon { background: #fff0f3; color: #c52e4e; }
.soft-toast.warning .soft-toast-icon { background: #fff7e8; color: #b96e00; }
.soft-toast-copy { min-width: 0; }
.soft-toast-copy b,.soft-toast-copy small { display: block; }
.soft-toast-copy b { margin-bottom: 3px; font-size: 11px; color: #31394d; }
.soft-toast-copy small { color: #697286; font-size: 9px; line-height: 1.42; }
.soft-toast-close { width: 27px; height: 27px; border: 0; border-radius: 8px; background: #f1f3f7; color: #687186; cursor: pointer; }
.soft-toast-progress { position: absolute; left: 0; bottom: 0; height: 3px; width: 100%; background: var(--primary); transform-origin: left; animation: softToastProgress 3.9s linear both; }
.soft-toast.error .soft-toast-progress { background: var(--red); animation-duration: 5.2s; }
.soft-toast.success .soft-toast-progress { background: var(--green); }
@keyframes softToastIn { from { opacity: 0; transform: translateY(12px) scale(.98); } }
@keyframes softToastOut { to { opacity: 0; transform: translateY(8px) scale(.98); } }
@keyframes softToastProgress { to { transform: scaleX(0); } }

.soft-confirm-modal { width: min(510px,calc(100vw - 28px)); max-width: 510px; overflow: hidden; border-radius: 24px; }
.soft-confirm-card { position: relative; display: grid; grid-template-columns: 58px minmax(0,1fr); gap: 17px; padding: 27px 27px 0; }
.soft-confirm-card h2 { margin: 5px 0 7px; font-size: 21px; letter-spacing: -.025em; }
.soft-confirm-card p { color: #687186; font-size: 11px; line-height: 1.55; }
.soft-confirm-symbol { width: 54px; height: 54px; display: grid; place-items: center; border-radius: 17px; font-size: 24px; font-weight: 900; }
.soft-confirm-symbol.danger { background: #fff0f3; color: #c63150; }
.soft-confirm-symbol.info { background: #efefff; color: var(--primary); }
.soft-confirm-actions { grid-column: 1 / -1; display: flex; justify-content: flex-end; gap: 8px; margin: 21px -27px 0; padding: 13px 27px; border-top: 1px solid var(--line); background: #fafbfc; }
.btn.danger-solid { background: linear-gradient(135deg,#d94460,#bd2947); color: #fff; box-shadow: 0 8px 20px rgba(190,41,69,.2); }

.block-pattern-label { padding: 13px; border: 1px solid #e0e3ec; border-radius: 14px; background: #fafbfe; }
.block-pattern-input { display: grid; grid-template-columns: minmax(0,1fr) auto; gap: 8px; align-items: center; }
.block-pattern-input input { min-height: 47px; font-size: 17px; font-weight: 800; letter-spacing: .04em; }
.block-pattern-input > span { min-width: 105px; padding: 9px 10px; border-radius: 10px; background: #eaf8f3; color: #087b63; font-size: 9px; font-weight: 850; text-align: center; }
.block-pattern-input > span.invalid { background: #fff0f3; color: #b62e4a; }
.block-pattern-label > small { margin-top: 3px; line-height: 1.45; }
.block-pattern-presets { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 7px; }
.block-pattern-presets button { min-height: 30px; border: 1px solid #e0e3ec; border-radius: 9px; padding: 0 10px; background: #fff; color: #596277; font-size: 9px; font-weight: 850; cursor: pointer; }
.block-pattern-presets button:hover,.block-pattern-presets button.active { border-color: #bdb8f7; background: #f0efff; color: var(--primary); }

.visual-settings-page { grid-template-columns: minmax(330px,.72fr) minmax(640px,1.28fr); }
.settings-summary-strip { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(3,minmax(130px,.45fr)) minmax(280px,1.65fr); gap: 10px; }
.settings-summary-strip > div { min-height: 76px; display: grid; grid-template-columns: 40px 1fr; grid-template-rows: 1fr 1fr; align-items: center; column-gap: 10px; padding: 13px 15px; border: 1px solid var(--line); border-radius: 16px; background: #fff; }
.settings-summary-strip > div > span { grid-row: 1 / 3; width: 38px; height: 38px; display: grid; place-items: center; border-radius: 12px; background: #efefff; color: var(--primary); font-size: 16px; font-weight: 900; }
.settings-summary-strip b { align-self: end; color: #30384d; font-size: 19px; line-height: 1; }
.settings-summary-strip small { align-self: start; margin-top: 4px; color: var(--muted); font-size: 8px; }
.settings-summary-strip .settings-summary-note { display: flex; flex-direction: column; align-items: flex-start; justify-content: center; }
.settings-summary-note b { font-size: 12px; }
.settings-summary-note small { max-width: 520px; font-size: 9px; line-height: 1.45; }
.settings-head-badge { border-radius: 999px; padding: 6px 9px; background: #efefff; color: var(--primary); font-size: 8px; font-weight: 850; }
.visual-day-grid { gap: 9px; }
.visual-day-grid .day-toggle-card { position: relative; min-height: 63px; display: grid; grid-template-columns: 35px minmax(0,1fr) auto; grid-template-rows: 1fr 1fr; align-items: center; column-gap: 10px; overflow: hidden; padding: 10px 13px; }
.visual-day-grid .day-toggle-card em { grid-row: 1 / 3; width: 33px; height: 33px; display: grid; place-items: center; border-radius: 10px; background: #f0f2f6; color: #7b8496; font-size: 9px; font-style: normal; font-weight: 900; }
.visual-day-grid .day-toggle-card b { align-self: end; font-size: 11px; }
.visual-day-grid .day-toggle-card small { align-self: start; margin-top: 2px; font-size: 8px; }
.visual-day-grid .day-toggle-card i { grid-row: 1 / 3; width: 34px; height: 20px; border-radius: 999px; background: #daddE6; position: relative; }
.visual-day-grid .day-toggle-card i::after { content: ''; position: absolute; left: 3px; top: 3px; width: 14px; height: 14px; border-radius: 50%; background: #fff; box-shadow: 0 2px 5px rgba(0,0,0,.15); transition: .15s ease; }
.visual-day-grid input:checked + .day-toggle-card i { background: #15a47e; }
.visual-day-grid input:checked + .day-toggle-card i::after { left: 17px; }
.visual-day-grid input:checked + .day-toggle-card em { background: #dff5ee; color: #087b63; }
.period-preset-bar { display: flex; align-items: center; gap: 6px; margin: -3px 0 12px; padding: 8px 10px; border-radius: 12px; background: #f6f7fb; }
.period-preset-bar > span { margin-right: 3px; color: #7b8394; font-size: 8px; font-weight: 800; }
.period-preset-bar button { border: 1px solid #e0e3eb; border-radius: 8px; min-height: 29px; padding: 0 9px; background: #fff; color: #626b7f; font-size: 8px; font-weight: 850; cursor: pointer; }
.period-preset-bar button:hover { border-color: #c4c0f8; color: var(--primary); }
.period-editor { position: relative; display: grid; gap: 7px; }
.visual-period-row { grid-template-columns: 34px 13px minmax(130px,1fr) 112px 112px 90px 34px; align-items: center; padding: 8px 9px; background: #fbfbfd; }
.visual-period-row .period-index { width: 30px; height: 30px; display: grid; place-items: center; border-radius: 10px; background: linear-gradient(135deg,var(--primary),var(--primary2)); color: #fff; font-size: 10px; font-weight: 900; }
.period-line { align-self: stretch; display: grid; place-items: center; }
.period-line i { width: 2px; height: calc(100% + 15px); background: #dedcfb; }
.visual-period-row:first-child .period-line i { height: calc(50% + 8px); align-self: end; }
.visual-period-row:last-child .period-line i { height: calc(50% + 8px); align-self: start; }
.period-duration { color: #7b8394; font-size: 8px; font-weight: 750; text-align: center; }

.compact-action-dock { flex-wrap: nowrap; padding: 3px; border: 1px solid #e5e7ee; border-radius: 13px; background: #f7f8fb; }
.schedule-action-btn { position: relative; width: 38px; min-width: 38px !important; height: 36px; overflow: hidden; justify-content: flex-start; padding: 0 11px !important; white-space: nowrap; transition: width .18s ease, background .15s ease, box-shadow .15s ease !important; box-shadow: none !important; }
.schedule-action-btn .action-icon { width: 16px; min-width: 16px; text-align: center; font-size: 13px; }
.schedule-action-btn .action-label { opacity: 0; margin-left: 1px; font-size: 9px; transition: opacity .12s ease; }
.schedule-action-btn:hover,.schedule-action-btn:focus-visible { width: 126px; }
.schedule-action-btn:hover .action-label,.schedule-action-btn:focus-visible .action-label { opacity: 1; }
.schedule-action-btn.quick-manager-trigger em { position: absolute; right: 2px; top: 1px; min-width: 15px; height: 15px; display: grid; place-items: center; border-radius: 999px; background: #fff; color: var(--primary); font-size: 7px; font-style: normal; font-weight: 900; }
.tooltip-toggle { display: inline-flex; grid-template-columns: none; align-items: center; gap: 7px; min-height: 35px; padding: 0 9px; border: 1px solid var(--line); border-radius: 10px; background: #f7f8fb; cursor: pointer; }
.tooltip-toggle input { position: absolute; opacity: 0; }
.tooltip-toggle span { width: 29px; height: 17px; border-radius: 999px; background: #d9dde6; position: relative; }
.tooltip-toggle span::after { content: ''; position: absolute; left: 3px; top: 3px; width: 11px; height: 11px; border-radius: 50%; background: #fff; transition: .15s ease; box-shadow: 0 1px 4px rgba(0,0,0,.16); }
.tooltip-toggle input:checked + span { background: var(--primary); }
.tooltip-toggle input:checked + span::after { left: 15px; }
.tooltip-toggle b { color: #687186; font-size: 8px; }

.touch-class-card { min-width: 94px; width: 94px; min-height: 40px; grid-template-columns: 5px minmax(0,1fr); padding: 5px 7px; border-radius: 11px; }
.touch-class-card.all-classes { min-width: 112px; width: 112px; }
.touch-class-color { width: 5px; height: 25px; }
.touch-class-copy b { font-size: 10px; }
.touch-class-copy small,.touch-class-rate { display: none; }
.touch-class-card:hover,.touch-class-card:focus-visible { width: 148px; min-width: 148px; grid-template-columns: 7px minmax(0,1fr) auto; }
.touch-class-card:hover .touch-class-copy small,.touch-class-card:hover .touch-class-rate,.touch-class-card:focus-visible .touch-class-copy small,.touch-class-card:focus-visible .touch-class-rate { display: block; }

.schedule-studio.density-fit { --schedule-cell-width: var(--fit-cell-width,22px); --schedule-row-height: 25px; --schedule-class-width: 62px; }
.schedule-studio.density-fit .distribution-table-wrap { overflow: hidden auto; max-height: calc(100vh - 235px); }
.schedule-studio.density-fit .distribution-table { width: 100%; min-width: 0; table-layout: fixed; }
.schedule-studio.density-fit .distribution-table .day-group { height: 22px; padding: 2px; font-size: 6px; }
.schedule-studio.density-fit .distribution-table .period-col { height: 20px; padding: 1px; }
.schedule-studio.density-fit .distribution-table .period-col b { font-size: 6px; }
.schedule-studio.density-fit .distribution-table .period-col small,.schedule-studio.density-fit .class-sticky small { display: none; }
.schedule-studio.density-fit .class-sticky { padding: 2px 3px !important; }
.schedule-studio.density-fit .class-sticky b { display: inline-block; max-width: 45px; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; font-size: 6px; }
.schedule-studio.density-fit .class-sticky .class-color { width: 4px; height: 15px; }
.schedule-studio.density-fit .distribution-cell { height: 25px; min-height: 25px; }
.schedule-studio.density-fit .distribution-cell.occupied { padding: 1px; }
.schedule-studio.density-fit .compact-lesson { min-height: 22px; height: 22px; display: grid; place-items: center; padding: 1px 2px; border-left-width: 2px; border-radius: 3px; box-shadow: none; }
.schedule-studio.density-fit .compact-lesson b { width: 100%; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; text-align: center; font-size: 5.5px; line-height: 1; }
.schedule-studio.density-fit .compact-lesson span,.schedule-studio.density-fit .compact-lesson small,.schedule-studio.density-fit .compact-lesson i { display: none; }
.schedule-studio.density-fit .lesson-lock { width: 9px; height: 9px; right: 0; top: 0; border-radius: 2px; font-size: 4px; opacity: 0; }
.schedule-studio.density-fit .compact-lesson:hover .lesson-lock,.schedule-studio.density-fit .compact-lesson.selected .lesson-lock { opacity: 1; }

.quick-manager-tabs.compact-tabs { display: grid; grid-template-columns: repeat(6,minmax(88px,1fr)); gap: 6px; padding: 10px 26px; }
.quick-manager-tabs.compact-tabs button,.quick-manager-tabs.compact-tabs button:first-child { min-width: 0; height: 48px; grid-template-columns: 28px minmax(0,1fr) 22px; padding: 6px 8px; border: 1px solid #e3e6ee; border-radius: 11px; }
.quick-manager-tabs.compact-tabs .quick-tab-icon { width: 28px; height: 28px; border-radius: 9px; font-size: 14px; }
.quick-manager-tabs.compact-tabs .quick-tab-copy b { font-size: 9px; }
.quick-manager-tabs.compact-tabs button small { width: 21px; height: 21px; font-size: 7px; }
.quick-current-section { display: flex; align-items: center; gap: 10px; margin: 12px 26px 0; padding: 9px 11px; border: 1px solid #e4e6ee; border-radius: 12px; background: linear-gradient(135deg,#f7f6ff,#fff); }
.quick-current-section > span { width: 32px; height: 32px; display: grid; place-items: center; border-radius: 10px; background: #e9e7ff; color: var(--primary); font-size: 15px; }
.quick-current-section b,.quick-current-section small { display: block; }
.quick-current-section b { color: #343c50; font-size: 10px; }
.quick-current-section small { margin-top: 2px; color: #8991a2; font-size: 8px; }
.quick-list { height: calc(100% - 292px); }

@media (max-width: 1100px) {
  .visual-settings-page { grid-template-columns: 1fr; }
  .settings-summary-strip { grid-template-columns: repeat(3,1fr); }
  .settings-summary-note { grid-column: 1 / -1; }
  .visual-period-row { grid-template-columns: 32px 10px minmax(120px,1fr) 105px 105px 32px; }
  .visual-period-row .period-duration { display: none; }
  .compact-action-dock { overflow-x: auto; max-width: 100%; }
  .schedule-action-btn:hover,.schedule-action-btn:focus-visible { width: 108px; }
}
@media (max-width: 760px) {
  .soft-toast { min-width: 0; width: calc(100vw - 24px); }
  .settings-summary-strip { grid-template-columns: 1fr 1fr; }
  .settings-summary-note { grid-column: 1 / -1; }
  .visual-period-row { grid-template-columns: 31px 8px 1fr 1fr 33px; }
  .visual-period-row label:first-of-type { grid-column: 3 / 5; }
  .visual-period-row .period-duration { display: none; }
  .quick-manager-tabs.compact-tabs { grid-template-columns: repeat(6,92px); padding-inline: 12px; overflow-x: auto; }
  .quick-current-section { margin-inline: 14px; }
  .touch-class-card:hover,.touch-class-card:focus-visible { width: 125px; min-width: 125px; }
  .schedule-focus-actions.compact-action-dock { display: flex; }
  .schedule-action-btn:hover,.schedule-action-btn:focus-visible { width: 38px; }
  .schedule-action-btn .action-label { display: none; }
  .tooltip-toggle b { display: none; }
}


/* v1.8.0 controlled explanations */
.schedule-studio:not(.show-explanations) [data-explain] { --explanations-off: 1; }
.schedule-studio.show-explanations .schedule-action-btn:focus-visible,
.schedule-studio.show-explanations .density-picker button:focus-visible,
.schedule-studio.show-explanations .touch-class-card:focus-visible { outline: 2px solid color-mix(in srgb,var(--primary) 52%,white); outline-offset: 2px; }
.schedule-studio.density-fit .distribution-table col.schedule-slot-col { width: var(--fit-cell-width,22px); }
.schedule-studio.density-fit .distribution-table col.schedule-class-col { width: 62px; }
.schedule-studio.density-fit .distribution-cell,
.schedule-studio.density-fit .distribution-table .period-col { min-width: 0; max-width: none; }
@media (max-width: 760px) {
  .schedule-studio.density-fit { --schedule-cell-width: 16px; --schedule-class-width: 54px; }
  .schedule-studio.density-fit .distribution-table col.schedule-class-col { width: 54px; }
}

.visual-period-row.time-invalid { border-color: #f0b5c1; background: #fff8fa; }
.visual-period-row.time-invalid .period-duration { color: #b62e4a; }

/* v1.8.1 — seçilen ders için uygun olmayan hedefler ve tam ekran bildirim katmanı */
.distribution-cell.placement-blocked {
  cursor: not-allowed;
  background: repeating-linear-gradient(135deg,#fff8f9,#fff8f9 6px,#fff1f4 6px,#fff1f4 12px);
  box-shadow: inset 0 0 0 1px rgba(204,67,94,.16);
}
.distribution-cell.placement-blocked:hover {
  background: repeating-linear-gradient(135deg,#fff5f7,#fff5f7 6px,#ffe9ee 6px,#ffe9ee 12px);
  box-shadow: inset 0 0 0 2px rgba(204,67,94,.42);
}
.distribution-cell.placement-allowed:not(.occupied):hover {
  background: #eefaf6;
  box-shadow: inset 0 0 0 2px rgba(22,160,133,.34);
}
.distribution-cell .placement-cross {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 15px;
  height: 15px;
  display: grid;
  place-items: center;
  transform: translate(-50%,-50%);
  border-radius: 50%;
  background: rgba(194,48,77,.1);
  color: #bc3150;
  font-size: 11px;
  line-height: 1;
  font-weight: 900;
  pointer-events: none;
}
.distribution-cell .placement-ready {
  position: absolute;
  right: 4px;
  bottom: 4px;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: rgba(14,137,106,.38);
  pointer-events: none;
}
.distribution-cell.drop-invalid {
  background: #fff0f3 !important;
  box-shadow: inset 0 0 0 2px #d75c76 !important;
  cursor: not-allowed;
}
.distribution-cell.drop-invalid::after {
  content: '×';
  position: absolute;
  left: 50%;
  top: 50%;
  width: 18px;
  height: 18px;
  display: grid;
  place-items: center;
  transform: translate(-50%,-50%);
  border-radius: 50%;
  background: #c63b58;
  color: #fff;
  font-size: 12px;
  font-weight: 900;
  z-index: 8;
  pointer-events: none;
}
.schedule-studio.density-mini .distribution-cell .placement-cross { width: 11px; height: 11px; font-size: 8px; }
.schedule-studio.density-fit .distribution-cell .placement-cross { width: 8px; height: 8px; font-size: 6px; }
.schedule-studio.density-fit .distribution-cell .placement-ready { right: 1px; bottom: 1px; width: 2px; height: 2px; }

.toast-host,
.toast-host.fullscreen-toast-host {
  z-index: 2147483000;
  pointer-events: none;
  max-width: min(430px,calc(100vw - 28px));
}
.toast-host .toast { pointer-events: auto; }
.workspace:fullscreen > .toast-host,
.workspace.schedule-fullscreen-mode > .toast-host {
  position: fixed;
  right: max(16px,env(safe-area-inset-right));
  bottom: max(16px,env(safe-area-inset-bottom));
  z-index: 2147483000;
}
.workspace:fullscreen > .lesson-info-tooltip,
.workspace.schedule-fullscreen-mode > .lesson-info-tooltip { z-index: 2147482500; }
.workspace:fullscreen > .progress-overlay,
.workspace.schedule-fullscreen-mode > .progress-overlay { z-index: 2147482000; }
.distribution-cell.placement-wrong-class {
  background: #fafbfc;
  box-shadow: inset 0 0 0 1px rgba(126,135,153,.08);
}
.distribution-cell.placement-wrong-class:hover {
  background: #f6f7f9;
  box-shadow: inset 0 0 0 1px rgba(126,135,153,.18);
}
.distribution-cell.placement-wrong-class .placement-cross {
  background: rgba(112,121,139,.08);
  color: rgba(93,102,120,.48);
}

/* v1.9.1 — duration-sized lesson pool and horizontal-only fit mode */
.schedule-studio .pool-grid {
  grid-template-columns: repeat(auto-fill, minmax(96px, 1fr));
  grid-auto-flow: dense;
  align-items: stretch;
}
.schedule-studio .pool-grid .pool-card.duration-card {
  grid-column: span var(--lesson-span, 1);
  min-width: 0;
  min-height: 54px;
  position: relative;
  overflow: hidden;
  padding-bottom: 13px;
}
.schedule-studio .pool-grid .pool-card.duration-card > div { min-width: 0; }
.schedule-studio .pool-grid .pool-card.duration-card b,
.schedule-studio .pool-grid .pool-card.duration-card span,
.schedule-studio .pool-grid .pool-card.duration-card strong,
.schedule-studio .pool-grid .pool-card.duration-card small {
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}
.pool-duration-track {
  position: absolute;
  left: 8px;
  right: 8px;
  bottom: 5px;
  height: 4px;
  display: grid !important;
  grid-template-columns: repeat(var(--lesson-span, 1), minmax(0, 1fr));
  gap: 2px;
  overflow: visible !important;
}
.pool-duration-track i {
  display: block;
  min-width: 0;
  height: 4px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--lesson-color) 38%, white);
}
.pool-duration-track i.first { background: var(--lesson-color); }
.schedule-studio.density-mini .pool-grid,
.schedule-studio.density-compact .pool-grid,
.schedule-studio.density-comfortable .pool-grid,
.schedule-studio.density-fit .pool-grid {
  grid-template-columns: repeat(auto-fill, minmax(96px, 1fr));
}
.schedule-studio.density-mini .pool-card.duration-card,
.schedule-studio.density-fit .pool-card.duration-card { min-height: 44px; padding-bottom: 11px; }
.schedule-studio.density-mini .pool-duration-track,
.schedule-studio.density-fit .pool-duration-track { left: 6px; right: 6px; bottom: 4px; height: 3px; }
.schedule-studio.density-mini .pool-duration-track i,
.schedule-studio.density-fit .pool-duration-track i { height: 3px; }

/* Ekrana sığdır yalnızca yatay yoğunluğu azaltır; satırlar büyütülmez. */
.schedule-studio.density-fit .distribution-table-wrap {
  overflow: auto;
  max-height: min(68vh, 720px);
}
.workspace:fullscreen .schedule-studio.density-fit .distribution-table-wrap,
.workspace.schedule-fullscreen-mode .schedule-studio.density-fit .distribution-table-wrap {
  max-height: calc(100vh - 220px);
  overflow: auto;
}
.workspace:fullscreen .schedule-studio.density-fit .distribution-cell,
.workspace.schedule-fullscreen-mode .schedule-studio.density-fit .distribution-cell {
  height: 25px !important;
  min-height: 25px !important;
  max-height: 25px !important;
}
.workspace:fullscreen .schedule-studio.density-fit .compact-lesson,
.workspace.schedule-fullscreen-mode .schedule-studio.density-fit .compact-lesson {
  min-height: 22px !important;
  height: 22px !important;
  max-height: 22px !important;
  padding: 1px 2px !important;
}
.workspace:fullscreen .schedule-studio.density-fit .distribution-table .day-group,
.workspace.schedule-fullscreen-mode .schedule-studio.density-fit .distribution-table .day-group { height: 22px !important; }
.workspace:fullscreen .schedule-studio.density-fit .distribution-table .period-col,
.workspace.schedule-fullscreen-mode .schedule-studio.density-fit .distribution-table .period-col { height: 20px !important; }
.workspace:fullscreen .schedule-studio.density-fit .class-sticky,
.workspace.schedule-fullscreen-mode .schedule-studio.density-fit .class-sticky { height: 25px !important; }

@media (max-width: 760px) {
  .schedule-studio .pool-grid,
  .schedule-studio.density-mini .pool-grid,
  .schedule-studio.density-compact .pool-grid,
  .schedule-studio.density-comfortable .pool-grid,
  .schedule-studio.density-fit .pool-grid { grid-template-columns: repeat(3, minmax(82px, 1fr)); }
}