:root {
  color-scheme: light;
  --bg: #eef4fc;
  --bg-deep: #dbe8f7;
  --panel: rgba(255, 255, 255, 0.86);
  --panel-strong: #ffffff;
  --ink: #102235;
  --muted: #5b7088;
  --line: rgba(8, 59, 138, 0.12);
  --accent: #e12428;
  --accent-deep: #093b86;
  --accent-strong: #072b63;
  --accent-soft: rgba(225, 36, 40, 0.1);
  --blue-soft: rgba(31, 109, 226, 0.1);
  --blue-soft-strong: rgba(9, 59, 134, 0.16);
  --shadow: 0 24px 60px rgba(13, 32, 62, 0.14);
  --shadow-soft: 0 12px 28px rgba(13, 32, 62, 0.08);
  --bg-body-top: #f9fbfe;
  --bg-accent-left: rgba(8, 59, 138, 0.18);
  --bg-accent-right: rgba(225, 36, 40, 0.1);
  --grid-line: rgba(20, 34, 45, 0.03);
  --grid-mask: rgba(0, 0, 0, 0.18);
  --chrome-bg: rgba(255, 255, 255, 0.78);
  --chrome-bg-strong: rgba(255, 255, 255, 0.8);
  --input-bg: rgba(255, 255, 255, 0.92);
  --input-border: rgba(9, 59, 134, 0.14);
  --input-shadow: inset 0 1px 2px rgba(9, 59, 134, 0.04);
  --focus-ring: rgba(9, 59, 134, 0.2);
  --soft-surface: rgba(9, 59, 134, 0.04);
  --soft-surface-strong: rgba(9, 59, 134, 0.08);
  --radius-xxl: 32px;
  --radius-xl: 24px;
  --radius-lg: 18px;
  --radius-md: 14px;
  --radius-sm: 10px;
}

html[data-theme="dark"] {
  color-scheme: dark;
  --bg: #08131f;
  --bg-deep: #0d1b2d;
  --panel: rgba(11, 20, 33, 0.9);
  --panel-strong: rgba(15, 28, 44, 0.96);
  --ink: #eef5ff;
  --muted: #9ab0c9;
  --line: rgba(141, 173, 216, 0.14);
  --accent: #ff5a5f;
  --accent-deep: #8ab4ff;
  --accent-strong: #d8e7ff;
  --accent-soft: rgba(255, 90, 95, 0.12);
  --blue-soft: rgba(110, 168, 255, 0.12);
  --blue-soft-strong: rgba(110, 168, 255, 0.18);
  --shadow: 0 24px 60px rgba(2, 8, 18, 0.42);
  --shadow-soft: 0 12px 28px rgba(2, 8, 18, 0.28);
  --bg-body-top: #07111d;
  --bg-accent-left: rgba(52, 95, 164, 0.24);
  --bg-accent-right: rgba(225, 36, 40, 0.14);
  --grid-line: rgba(128, 153, 184, 0.05);
  --grid-mask: rgba(255, 255, 255, 0.12);
  --chrome-bg: rgba(8, 16, 27, 0.84);
  --chrome-bg-strong: rgba(8, 16, 27, 0.9);
  --input-bg: rgba(13, 24, 39, 0.96);
  --input-border: rgba(141, 173, 216, 0.16);
  --input-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.22);
  --focus-ring: rgba(138, 180, 248, 0.26);
  --soft-surface: rgba(138, 180, 248, 0.08);
  --soft-surface-strong: rgba(138, 180, 248, 0.14);
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, var(--bg-accent-left), transparent 28%),
    radial-gradient(circle at top right, var(--bg-accent-right), transparent 24%),
    linear-gradient(180deg, var(--bg-body-top) 0%, var(--bg) 100%);
  font-family: "Avenir Next", "Gill Sans", "Trebuchet MS", sans-serif;
  line-height: 1.5;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: linear-gradient(180deg, var(--grid-mask), transparent 45%);
}

a {
  color: inherit;
  text-decoration: none;
}

a:hover {
  text-decoration: none;
}

.page {
  width: min(1420px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 24px 0 48px;
}

.site-shell {
  position: relative;
  min-height: 100vh;
}

.masthead {
  width: min(1420px, calc(100vw - 32px));
  margin: 18px auto 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 16px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: var(--chrome-bg);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(18px);
}

.site-brand {
  display: flex;
  align-items: center;
  gap: 18px;
  min-width: 0;
}

.site-brand-mark {
  display: block;
  height: 62px;
  width: auto;
  max-width: min(100%, 260px);
}

.site-brand-copy {
  display: grid;
  gap: 2px;
  min-width: 0;
}

.site-brand-copy strong,
.masthead-note strong {
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.site-brand-copy span,
.masthead-note span {
  color: var(--muted);
  font-size: 1.06rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.masthead-note {
  display: grid;
  gap: 2px;
  justify-items: end;
  text-align: right;
}

.masthead-tools {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
  flex-wrap: wrap;
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 38px;
  padding: 0 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--panel-strong);
  color: var(--ink);
  box-shadow: var(--shadow-soft);
  cursor: pointer;
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    background 180ms ease,
    box-shadow 180ms ease;
}

.theme-toggle:hover,
.theme-toggle:focus-visible {
  transform: translateY(-1px);
  border-color: rgba(225, 36, 40, 0.24);
}

.theme-toggle:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 2px;
}

.theme-toggle-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 999px;
  background: var(--soft-surface);
  color: var(--accent-deep);
  flex: 0 0 auto;
}

.theme-toggle-icon svg {
  width: 12px;
  height: 12px;
  display: block;
}

.theme-toggle-copy {
  display: grid;
  gap: 2px;
  min-width: 0;
  text-align: left;
}

.theme-toggle-label {
  color: var(--muted);
  font-size: 0.5rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.theme-toggle-copy strong {
  font-size: 0.66rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.theme-toggle-switch {
  position: relative;
  width: 36px;
  height: 21px;
  border-radius: 999px;
  background: var(--soft-surface-strong);
  border: 1px solid var(--line);
  flex: 0 0 auto;
}

.theme-toggle-thumb {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 15px;
  height: 15px;
  border-radius: 999px;
  background: linear-gradient(180deg, var(--accent-deep), var(--accent));
  box-shadow: 0 6px 14px rgba(7, 43, 99, 0.24);
  transition:
    transform 180ms ease,
    background 180ms ease,
    box-shadow 180ms ease;
}

html[data-theme="dark"] .theme-toggle-thumb {
  transform: translateX(15px);
  background: linear-gradient(180deg, #ffd166, #ffb703);
  box-shadow: 0 6px 14px rgba(255, 183, 3, 0.2);
}

.topbar,
.home-hero,
.browse-shell,
.portal-card,
.section-hero,
.directory-shell,
.directory-card,
.detail-hero,
.table-wrap,
.day-panel,
.site-footer {
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.topbar,
.home-hero,
.browse-shell,
.section-hero,
.directory-shell,
.detail-hero,
.table-wrap,
.day-panel,
.site-footer {
  border-radius: var(--radius-xl);
}

.topbar,
.home-hero,
.metrics-grid,
.browse-shell,
.portal-grid,
.section-hero,
.directory-shell,
.detail-hero,
.day-jump,
.schedule-shell {
  margin-bottom: 14px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 10px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.topbar {
  position: sticky;
  top: 14px;
  z-index: 20;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  padding: 14px 18px;
  backdrop-filter: blur(18px);
  background: var(--chrome-bg-strong);
}

.topbar a {
  color: var(--accent-deep);
}

.home-hero,
.section-hero,
.detail-hero {
  display: grid;
  gap: 20px;
  grid-template-columns: minmax(0, 1.4fr) minmax(300px, 0.92fr);
  padding: 30px;
}

.hero-copy h1,
.section-copy h1,
.detail-copy h1,
.section-head h2,
.day-panel h2 {
  margin: 0 0 12px;
  font-family: "Avenir Next Condensed", "Franklin Gothic Medium", "Trebuchet MS", sans-serif;
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 0.94;
}

.hero-copy h1,
.section-copy h1,
.detail-copy h1 {
  font-size: clamp(3rem, 7vw, 5.4rem);
}

.section-head h2 {
  font-size: clamp(0.95rem, 2vw, 1.4rem);
}

.day-panel h2 {
  font-size: clamp(1.85rem, 4vw, 2.8rem);
}

.hero-lede,
.section-copy p,
.detail-copy-text,
.hero-panel p,
.detail-panel p,
.directory-summary p {
  margin: 0;
  max-width: 52rem;
  color: var(--muted);
  font-size: 1.02rem;
}

.hero-panel,
.detail-panel,
.directory-summary {
  display: grid;
  gap: 12px;
  align-content: start;
  padding: 22px;
  border-radius: var(--radius-lg);
  background:
    linear-gradient(160deg, rgba(7, 43, 99, 0.98), rgba(9, 59, 134, 0.9)),
    linear-gradient(160deg, rgba(225, 36, 40, 0.2), transparent);
  color: #f9f4ec;
}

.hero-panel strong,
.detail-panel strong,
.directory-summary strong {
  font-size: clamp(1.9rem, 4vw, 2.9rem);
  letter-spacing: -0.04em;
}

.hero-facts,
.detail-facts {
  display: grid;
  gap: 12px;
  margin: 0;
}

.hero-facts div,
.detail-facts div {
  display: grid;
  gap: 3px;
  padding-top: 12px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.hero-facts div:first-child,
.detail-facts div:first-child {
  border-top: 0;
  padding-top: 0;
}

.hero-facts dt,
.detail-facts span {
  color: rgba(249, 244, 236, 0.72);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-facts dd,
.detail-facts strong {
  margin: 0;
  font-size: 1.05rem;
  line-height: 1.25;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.hero-kicker {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 12px;
}

.hero-chip {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 14px;
  border-radius: 999px;
  background: var(--accent);
  color: #fff6f6;
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.hero-chip-light {
  background: rgba(9, 59, 134, 0.08);
  color: var(--accent-deep);
}

.action-primary,
.action-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-weight: 700;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.action-primary {
  background: var(--accent);
  color: #fff7f3;
  box-shadow: 0 14px 28px rgba(225, 36, 40, 0.22);
}

.action-secondary {
  background: rgba(9, 59, 134, 0.08);
  border-color: rgba(9, 59, 134, 0.08);
  color: var(--accent-deep);
}

.action-primary:hover,
.action-secondary:hover,
.portal-card:hover,
.directory-card:hover,
.meta-pill:hover {
  transform: translateY(-3px);
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
}

.metric-card {
  padding: 14px 16px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
  position: relative;
  overflow: hidden;
}

.metric-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  background: linear-gradient(180deg, var(--accent-deep), var(--accent));
}

.metric-card span {
  display: block;
  color: var(--muted);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.metric-card strong {
  display: block;
  margin-top: 6px;
  font-size: clamp(1.3rem, 2.2vw, 2rem);
  letter-spacing: -0.04em;
}

.browse-shell {
  padding: 28px;
}

.home-status-panel {
  display: grid;
  gap: 16px;
  margin-bottom: 20px;
  padding: 0;
  border-radius: var(--radius-lg);
  background:
    linear-gradient(145deg, rgba(7, 43, 99, 0.96), rgba(9, 59, 134, 0.92)),
    linear-gradient(145deg, rgba(225, 36, 40, 0.14), transparent);
  color: #f8fbff;
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}

.home-status-summary {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  align-items: center;
  gap: 16px;
  padding: 20px;
  cursor: pointer;
  list-style: none;
}

.home-status-summary::-webkit-details-marker {
  display: none;
}

.home-status-summary-main,
.home-status-summary-side {
  display: grid;
  gap: 4px;
}

.home-status-summary-side {
  justify-items: end;
  text-align: right;
}

.home-status-summary-label {
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(248, 251, 255, 0.72);
}

.home-status-summary-chevron {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  color: rgba(248, 251, 255, 0.82);
}

.home-status-summary-chevron svg {
  width: 18px;
  height: 18px;
  display: block;
  transition: transform 180ms ease;
}

.home-status-panel[open] .home-status-summary-chevron svg {
  transform: rotate(180deg);
}

.home-status-body {
  display: grid;
  gap: 16px;
  padding: 0 20px 20px;
}

.home-status-main {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
}

.home-status-main-copy {
  display: grid;
  gap: 4px;
}

.home-status-summary strong,
.home-status-kicker {
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(248, 251, 255, 0.72);
}

.home-status-summary-main strong {
  font-size: clamp(1.84rem, 3.2vw, 2.72rem);
  letter-spacing: -0.05em;
  line-height: 0.92;
  color: #f8fbff;
  text-transform: none;
}

.home-status-summary-side strong {
  font-size: clamp(1rem, 2vw, 1.32rem);
  letter-spacing: -0.03em;
  line-height: 1;
  color: #f8fbff;
  text-transform: none;
}

.home-status-main p,
.home-status-line {
  margin: 0;
  color: rgba(248, 251, 255, 0.88);
}

.home-status-date {
  color: rgba(248, 251, 255, 0.88);
}

.home-status-line {
  max-width: 24rem;
  text-align: right;
}

.home-status-cards {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.home-status-card {
  display: grid;
  gap: 6px;
  padding: 14px 16px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.home-status-card span {
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(248, 251, 255, 0.7);
}

.home-status-card strong {
  font-size: 1.02rem;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.section-head {
  display: grid;
  gap: 8px;
  margin-bottom: 10px;
}

.section-copy {
  margin: 0 0 18px;
}

.portal-grid,
.directory-grid {
  display: grid;
  gap: 18px;
}

.portal-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.directory-grid {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.directory-shell-classes .directory-grid {
  gap: 14px;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.directory-shell-rooms .directory-grid {
  gap: 14px;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.portal-card,
.directory-card {
  display: grid;
  gap: 12px;
  min-height: 210px;
  padding: 22px;
  border-radius: var(--radius-lg);
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
  box-shadow: var(--shadow-soft);
}

.portal-card {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(244, 248, 254, 0.94));
  justify-items: center;
  text-align: center;
}

.portal-card-classes {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(242, 247, 255, 0.94)),
    linear-gradient(140deg, rgba(31, 109, 226, 0.12), transparent);
}

.portal-card-teachers {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(237, 243, 250, 0.94)),
    linear-gradient(140deg, rgba(9, 59, 134, 0.12), transparent);
}

.portal-card-rooms {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(241, 248, 255, 0.94)),
    linear-gradient(140deg, rgba(8, 59, 138, 0.08), transparent);
}

.portal-card-duties {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(255, 246, 238, 0.96)),
    linear-gradient(140deg, rgba(203, 127, 41, 0.12), transparent);
}

.portal-card-free_rooms {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(241, 251, 245, 0.96)),
    linear-gradient(140deg, rgba(30, 142, 62, 0.12), transparent);
}

.portal-card-substitutions {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(255, 244, 244, 0.96)),
    linear-gradient(140deg, rgba(225, 36, 40, 0.12), transparent);
}

.portal-card-practices {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(240, 246, 255, 0.96)),
    linear-gradient(140deg, rgba(9, 59, 134, 0.1), transparent);
}

.directory-card {
  background: var(--panel);
  min-height: 170px;
}

.portal-card:hover,
.directory-card:hover {
  border-color: rgba(225, 36, 40, 0.24);
  box-shadow: 0 28px 60px rgba(16, 29, 40, 0.14);
}

.portal-tag,
.directory-tag {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  min-height: 30px;
  padding: 0 12px;
  border-radius: 999px;
  background: rgba(9, 59, 134, 0.08);
  color: var(--accent-deep);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-family: "SFMono-Regular", "Menlo", "Monaco", monospace;
}

.portal-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 102px;
  height: 102px;
  border-radius: 28px;
  color: var(--accent-deep);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(234, 242, 252, 0.96));
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.75),
    0 22px 34px rgba(16, 42, 67, 0.08);
}

.portal-icon svg {
  width: 58px;
  height: 58px;
  display: block;
}

.portal-card-classes .portal-icon {
  color: #0a4ea3;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(229, 239, 255, 0.98));
}

.portal-card-teachers .portal-icon {
  color: #093b86;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(232, 240, 250, 0.98));
}

.portal-card-rooms .portal-icon {
  color: #1461bb;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(231, 244, 255, 0.98));
}

.portal-card-duties .portal-icon {
  color: #b7661d;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(255, 242, 232, 0.98));
}

.portal-card-free_rooms .portal-icon {
  color: #1e8e3e;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(233, 247, 237, 0.98));
}

.portal-card-substitutions .portal-icon {
  color: #c81d25;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(255, 238, 238, 0.98));
}

.portal-card-practices .portal-icon {
  color: #0a4ea3;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(234, 242, 255, 0.98));
}

.portal-card strong,
.directory-card strong {
  font-size: clamp(1.6rem, 3vw, 2.3rem);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.04em;
}

.portal-card strong {
  font-size: clamp(1.15rem, 1.8vw, 1.4rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
}

.directory-card-teachers strong {
  font-size: clamp(1.12rem, 2vw, 1.55rem);
  line-height: 1.04;
  letter-spacing: -0.03em;
}

.directory-card-teachers {
  min-height: 108px;
  padding: 16px 18px;
  gap: 8px;
  align-content: center;
}

.directory-card-classes strong {
  font-size: clamp(1.22rem, 2vw, 1.7rem);
  line-height: 1.02;
}

.directory-card-classes {
  min-height: 116px;
  padding: 16px 18px;
  gap: 8px;
  align-content: center;
}

.directory-card-classes .directory-note {
  font-size: 0.92rem;
  line-height: 1.25;
}

.directory-card-rooms strong {
  font-size: clamp(1.2rem, 2vw, 1.6rem);
  line-height: 1.02;
}

.directory-card-rooms {
  min-height: 112px;
  padding: 16px 18px;
  gap: 8px;
  align-content: center;
}

.directory-card-rooms .directory-note {
  font-size: 0.9rem;
  line-height: 1.22;
}

.portal-card p,
.portal-meta,
.directory-note,
.directory-id,
.search-empty {
  margin: 0;
  color: var(--muted);
}

.portal-meta {
  margin-top: auto;
  font-weight: 700;
  color: var(--accent-deep);
}

.directory-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.directory-count {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 12px;
  border-radius: 999px;
  background: rgba(225, 36, 40, 0.08);
  color: var(--accent);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.directory-note {
  line-height: 1.4;
}

.directory-id {
  margin-top: auto;
  font-family: "SFMono-Regular", "Menlo", "Monaco", monospace;
  font-size: 0.9rem;
  color: var(--accent-deep);
}

.directory-shell {
  padding: 20px;
}

.directory-tools {
  display: grid;
  gap: 10px;
  margin-bottom: 18px;
}

.search-field {
  display: grid;
  gap: 10px;
}

.search-field span {
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.search-field input {
  width: 100%;
  min-height: 58px;
  padding: 0 18px;
  border: 1px solid var(--input-border);
  border-radius: 18px;
  background: var(--input-bg);
  color: var(--ink);
  font: inherit;
  box-shadow: var(--input-shadow);
}

.search-field input:focus {
  outline: 2px solid var(--focus-ring);
  outline-offset: 2px;
}

.search-note {
  margin: 0;
  color: var(--muted);
}

.search-empty {
  padding: 14px 2px 4px;
}

.availability-shell {
  display: grid;
  gap: 18px;
  padding: 20px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
}

.feed-shell {
  display: grid;
  gap: 18px;
  padding: 20px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
}

.feed-head {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 16px;
}

.feed-head h1 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.05em;
  line-height: 0.94;
}

.feed-lead {
  margin: 10px 0 0;
  color: var(--muted);
  max-width: 56rem;
}

.feed-refresh {
  flex-shrink: 0;
}

.feed-filters {
  display: grid;
  gap: 12px;
  grid-template-columns: minmax(160px, 190px) repeat(3, minmax(200px, 1fr)) auto;
  align-items: end;
}

.feed-filter-field {
  display: grid;
  gap: 7px;
}

.feed-filter-field span {
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.feed-filter-field input,
.feed-filter-field select {
  width: 100%;
  min-height: 46px;
  padding: 0 14px;
  border-radius: 14px;
  border: 1px solid var(--input-border);
  background: var(--input-bg);
  color: var(--ink);
  font: inherit;
  box-shadow: var(--input-shadow);
}

.feed-filter-field input:focus,
.feed-filter-field select:focus {
  outline: none;
  border-color: var(--accent-deep);
  box-shadow: 0 0 0 4px var(--soft-surface);
}

.feed-filter-reset {
  min-height: 46px;
}

.feed-status-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.feed-status-card {
  display: grid;
  gap: 6px;
  padding: 14px 16px;
  border-radius: 16px;
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-soft);
}

.feed-status-card span {
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.feed-status-card strong {
  font-size: 1.02rem;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.feed-message,
.feed-empty {
  display: grid;
  place-items: center;
  min-height: 120px;
  padding: 18px;
  border-radius: var(--radius-lg);
  background: var(--soft-surface);
  color: var(--muted);
  text-align: center;
}

.feed-message-error {
  background: rgba(225, 36, 40, 0.08);
  color: #8e1d28;
}

.feed-content {
  display: grid;
  gap: 18px;
}

.feed-day-card {
  display: grid;
  gap: 14px;
  padding: 18px;
  border-radius: var(--radius-lg);
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-soft);
}

.feed-day-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 12px;
}

.feed-day-head strong {
  display: block;
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: -0.03em;
}

.feed-day-head p {
  margin: 4px 0 0;
  color: var(--muted);
}

.substitution-grid,
.practice-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.substitution-day-stack {
  display: grid;
  gap: 14px;
}

.substitution-row {
  display: grid;
  gap: 12px;
  grid-template-columns: 144px minmax(0, 1fr);
  align-items: start;
  padding: 12px 0 0;
  border-top: 1px solid rgba(9, 59, 134, 0.08);
}

.substitution-row:first-child {
  padding-top: 0;
  border-top: 0;
}

.substitution-row-head {
  display: grid;
  gap: 8px;
  align-content: start;
  position: sticky;
  top: 88px;
}

.substitution-row-slot {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 14px;
  border-radius: 14px;
  background: rgba(225, 36, 40, 0.1);
  color: var(--accent);
  font-size: 1.08rem;
  font-weight: 900;
  letter-spacing: -0.04em;
}

.substitution-row-copy {
  display: grid;
  gap: 4px;
}

.substitution-row-copy strong {
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.substitution-row-copy p {
  margin: 0;
  color: var(--muted);
  font-size: 0.76rem;
}

.substitution-row-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.substitution-card,
.practice-card {
  display: grid;
  gap: 12px;
  padding: 16px;
  border-radius: 16px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(243, 247, 253, 0.94));
  border: 1px solid rgba(9, 59, 134, 0.1);
}

.substitution-card {
  min-width: 0;
  gap: 10px;
  padding: 14px;
}

.substitution-card-head,
.practice-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
}

.substitution-lesson,
.practice-card-head span,
.substitution-class {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 12px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.06em;
}

.substitution-lesson,
.practice-card-head span {
  background: rgba(225, 36, 40, 0.1);
  color: var(--accent);
}

.substitution-class {
  background: rgba(9, 59, 134, 0.08);
  color: var(--accent-deep);
}

.substitution-subject,
.practice-profile {
  margin: 0;
  font-size: 1rem;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

.substitution-card .substitution-class {
  min-height: 28px;
  padding: 0 10px;
  font-size: 0.73rem;
}

.substitution-card .substitution-subject {
  font-size: 0.93rem;
  line-height: 1.18;
}

.practice-card-head strong {
  font-size: 1.4rem;
  font-weight: 600;
  letter-spacing: -0.04em;
}

.practice-card-link {
  font-size: 1.4rem;
  font-weight: 600;
  letter-spacing: -0.04em;
  color: var(--ink);
}

.practice-card-link:hover,
.practice-inline-link:hover {
  color: var(--accent-deep);
}

.practice-inline-link {
  color: var(--accent-strong);
}

.practice-card-current {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(233, 241, 251, 0.98));
  border-color: rgba(9, 59, 134, 0.22);
  box-shadow: 0 16px 34px rgba(9, 59, 134, 0.08);
}

.practice-current-badge {
  display: inline-flex;
  align-items: center;
  justify-self: start;
  min-height: 28px;
  padding: 0 12px;
  border-radius: 999px;
  background: rgba(9, 59, 134, 0.1);
  color: var(--accent-deep);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.feed-detail-list {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.feed-detail-item {
  display: grid;
  gap: 4px;
  padding: 10px 12px;
  border-radius: 12px;
  background: var(--soft-surface);
  border: 1px solid var(--line);
}

.feed-detail-item-wide {
  grid-column: 1 / -1;
}

.feed-detail-item span {
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.feed-detail-item strong {
  font-size: 0.9rem;
  line-height: 1.25;
  letter-spacing: -0.01em;
}

.substitution-card .feed-detail-list {
  gap: 8px;
}

.substitution-card .substitution-detail-list {
  grid-template-columns: minmax(0, 2fr) minmax(0, 1fr) minmax(0, 2fr);
  align-items: stretch;
}

.substitution-card .feed-detail-item {
  gap: 3px;
  padding: 8px 10px;
}

.substitution-card .feed-detail-item span {
  font-size: 0.64rem;
}

.substitution-card .feed-detail-item strong {
  font-size: 0.84rem;
  line-height: 1.18;
}

.substitution-card .substitution-note-item {
  margin-top: 8px;
}

.duty-board {
  display: grid;
  gap: 24px;
}

.duty-mobile {
  display: none;
}

.duty-day {
  display: grid;
  gap: 12px;
}

.duty-day h2 {
  margin: 0;
  font-size: clamp(1.1rem, 2vw, 1.45rem);
  font-weight: 600;
  letter-spacing: -0.03em;
}

.duty-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--panel);
  box-shadow: var(--shadow-soft);
}

.duty-table {
  width: 100%;
  min-width: 920px;
  border-collapse: separate;
  border-spacing: 0;
}

.duty-table th,
.duty-table td {
  padding: 10px 12px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  text-align: center;
  vertical-align: middle;
}

.duty-table thead th {
  background: linear-gradient(180deg, rgba(7, 43, 99, 0.98), rgba(9, 59, 134, 0.96));
  color: #f8fbff;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.duty-table thead th:first-child {
  border-top-left-radius: 16px;
}

.duty-table thead th:last-child {
  border-top-right-radius: 16px;
  border-right: 0;
}

.duty-table tbody tr:last-child th,
.duty-table tbody tr:last-child td {
  border-bottom: 0;
}

.duty-table tbody td:last-child,
.duty-table tbody th:last-child {
  border-right: 0;
}

.duty-table tbody th {
  background: color-mix(in srgb, var(--panel-strong) 82%, var(--blue-soft) 18%);
  font-size: 0.78rem;
  font-weight: 800;
}

.duty-table-break {
  min-width: 110px;
  font-size: 0.72rem;
  color: var(--muted);
}

.duty-table td a {
  display: inline-block;
  color: var(--accent-deep);
  font-weight: 600;
  text-decoration: none;
}

.duty-table td span {
  display: inline-block;
  color: var(--accent-deep);
  font-weight: 600;
}

.duty-table td a:hover {
  color: var(--accent);
}

.duty-table-empty {
  color: var(--muted);
  font-weight: 700;
}

.duty-mobile-place {
  display: grid;
  gap: 14px;
}

.duty-mobile-place-head h2 {
  margin: 0;
  font-size: clamp(1rem, 3vw, 1.2rem);
  font-weight: 600;
  letter-spacing: -0.03em;
}

.duty-mobile-days {
  display: grid;
  gap: 14px;
}

.duty-mobile-list {
  display: grid;
  gap: 10px;
}

.duty-mobile-row {
  display: grid;
  gap: 8px;
  padding: 12px 14px;
  border-radius: 16px;
  background: var(--soft-surface);
  border: 1px solid var(--line);
}

.duty-mobile-row-main {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
}

.duty-mobile-row-main strong {
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.duty-mobile-row-main span {
  font-size: 0.76rem;
  color: var(--muted);
}

.duty-mobile-row-teachers {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 10px;
}

.duty-mobile-row-teachers a,
.duty-mobile-row-teachers span {
  color: var(--accent-deep);
  font-weight: 600;
  text-decoration: none;
}

.duty-mobile-row-teachers a:hover {
  color: var(--accent);
}

.availability-tools {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(2, minmax(0, 240px)) minmax(280px, 1fr);
  align-items: end;
}

.availability-field {
  display: grid;
  gap: 10px;
  position: relative;
}

.availability-field span {
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.availability-field::after {
  content: "";
  grid-row: 2;
  justify-self: end;
  align-self: center;
  width: 10px;
  height: 10px;
  margin-right: 18px;
  border-right: 2px solid rgba(9, 59, 134, 0.72);
  border-bottom: 2px solid rgba(9, 59, 134, 0.72);
  transform: translateY(-30%) rotate(45deg);
  pointer-events: none;
}

.availability-field select {
  appearance: none;
  -webkit-appearance: none;
  width: 100%;
  min-height: 58px;
  padding: 0 48px 0 18px;
  border: 1px solid rgba(9, 59, 134, 0.14);
  border-radius: 18px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(241, 247, 255, 0.96)),
    linear-gradient(135deg, rgba(9, 59, 134, 0.08), transparent 55%);
  color: var(--ink);
  color-scheme: light;
  font: inherit;
  font-weight: 700;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.8),
    0 10px 24px rgba(9, 59, 134, 0.08);
  transition:
    border-color 160ms ease,
    box-shadow 160ms ease,
    transform 160ms ease,
    background 160ms ease;
}

.availability-field select:hover {
  border-color: rgba(9, 59, 134, 0.26);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.86),
    0 14px 28px rgba(9, 59, 134, 0.1);
}

.availability-field select:focus {
  outline: none;
  border-color: rgba(225, 36, 40, 0.28);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.88),
    0 0 0 4px rgba(9, 59, 134, 0.08),
    0 16px 30px rgba(9, 59, 134, 0.12);
  transform: translateY(-1px);
}

.availability-summary {
  display: grid;
  gap: 6px;
  min-height: 58px;
  padding: 14px 18px;
  border-radius: 18px;
  background: linear-gradient(160deg, rgba(7, 43, 99, 0.98), rgba(9, 59, 134, 0.92));
  color: #f9f4ec;
}

.availability-summary span {
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(249, 244, 236, 0.72);
}

.availability-summary strong {
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.availability-summary p {
  margin: 0;
  color: rgba(249, 244, 236, 0.9);
}

.availability-summary p strong {
  font-size: inherit;
}

.availability-note {
  margin: 0;
  color: var(--muted);
}

.free-room-panel {
  display: block;
}

.free-room-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.free-room-card {
  display: grid;
  gap: 6px;
  min-height: 92px;
  padding: 16px 18px;
  border-radius: 16px;
  background: var(--panel-strong);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-soft);
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.free-room-card strong {
  font-size: clamp(1.18rem, 2vw, 1.55rem);
  font-weight: 600;
  line-height: 1.02;
  letter-spacing: -0.03em;
}

.free-room-card span {
  color: var(--muted);
  line-height: 1.4;
}

.free-room-card:hover {
  border-color: rgba(225, 36, 40, 0.24);
  box-shadow: 0 28px 60px rgba(16, 29, 40, 0.14);
  transform: translateY(-3px);
}

.free-room-empty {
  display: grid;
  place-items: center;
  min-height: 100px;
  padding: 14px;
  border-radius: 16px;
  background: var(--soft-surface);
  color: var(--muted);
  text-align: center;
}

.class-schedule-shell {
  display: grid;
  gap: 18px;
}

.class-option-row {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.class-option-card {
  display: grid;
  border-radius: var(--radius-lg);
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}

.class-option-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
}

.class-option-summary::-webkit-details-marker {
  display: none;
}

.class-option-summary-main {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.class-option-summary strong {
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.class-option-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: var(--soft-surface);
  color: var(--accent-deep);
  flex: 0 0 auto;
}

.class-option-icon svg {
  width: 20px;
  height: 20px;
  display: block;
}

.class-option-chevron {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  color: var(--muted);
  flex: 0 0 auto;
}

.class-option-chevron svg {
  width: 18px;
  height: 18px;
  display: block;
  transition: transform 180ms ease;
}

.class-option-card[open] .class-option-chevron svg {
  transform: rotate(180deg);
}

.class-option-body {
  display: grid;
  gap: 14px;
  padding: 0 18px 18px;
  border-top: 1px solid var(--line);
}

.class-option-card-stats .class-option-body {
  padding-top: 14px;
  padding-bottom: 12px;
}

.class-option-note {
  margin: 14px 0 0;
  color: var(--muted);
}

.class-practice-content,
.teacher-stats-content,
.group-filter-content {
  display: grid;
  gap: 14px;
}

.class-practice-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.class-practice-card {
  display: grid;
  gap: 12px;
  padding: 16px;
  border-radius: 16px;
  background: var(--panel-strong);
  border: 1px solid var(--line);
}

.class-practice-card-current {
  background: linear-gradient(180deg, rgba(236, 243, 252, 0.98), rgba(226, 237, 249, 0.98));
  border-color: rgba(9, 59, 134, 0.18);
  box-shadow: 0 14px 28px rgba(9, 59, 134, 0.08);
}

.class-practice-head {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.class-practice-title {
  display: grid;
  gap: 8px;
}

.class-practice-title strong {
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.class-practice-badge,
.class-practice-status {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 28px;
  padding: 0 12px;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.class-practice-badge {
  justify-self: start;
  background: rgba(9, 59, 134, 0.08);
  color: var(--accent-deep);
}

.class-practice-status {
  background: rgba(9, 59, 134, 0.12);
  color: var(--accent-deep);
}

.class-practice-details {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.class-practice-detail {
  display: grid;
  gap: 4px;
  padding: 10px 12px;
  border-radius: 12px;
  background: var(--soft-surface);
  border: 1px solid var(--line);
}

.class-practice-detail span {
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.class-practice-detail strong {
  font-size: 0.88rem;
  line-height: 1.24;
  letter-spacing: -0.01em;
}

.group-filter-sections {
  display: grid;
  gap: 14px;
}

.group-filter-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.group-filter-action {
  min-height: 40px;
}

.group-filter-status {
  margin: 0;
  color: var(--muted);
  font-size: 0.84rem;
}

.group-filter-family {
  display: grid;
  gap: 10px;
}

.group-filter-family-label {
  font-size: 0.84rem;
  font-weight: 700;
  color: var(--accent-deep);
}

.group-filter-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.group-filter-button {
  min-height: 42px;
  padding: 0 16px;
  border: 1px solid var(--input-border);
  border-radius: 999px;
  background: var(--input-bg);
  color: var(--accent-deep);
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  transition:
    background 160ms ease,
    color 160ms ease,
    border-color 160ms ease,
    transform 160ms ease;
}

.group-filter-button:hover,
.group-filter-button:focus-visible {
  border-color: rgba(225, 36, 40, 0.28);
  transform: translateY(-1px);
}

.group-filter-button.is-active {
  background: linear-gradient(180deg, rgba(9, 59, 134, 0.96), rgba(7, 43, 99, 0.96));
  border-color: rgba(9, 59, 134, 0.96);
  color: #f8fbff;
}

.day-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.day-jump a,
.day-jump-empty {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 36px;
  padding: 0 12px;
  border-radius: 999px;
  background: rgba(9, 59, 134, 0.08);
  color: var(--accent-deep);
  font-weight: 700;
  font-size: 0.82rem;
}

.day-jump a.is-active {
  background: linear-gradient(180deg, rgba(9, 59, 134, 0.96), rgba(7, 43, 99, 0.96));
  color: #f8fbff;
}

.day-jump a span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 24px;
  height: 24px;
  padding: 0 6px;
  border-radius: 999px;
  background: rgba(225, 36, 40, 0.12);
  color: var(--accent);
  font-size: 0.76rem;
}

.schedule-shell {
  display: grid;
  gap: 12px;
}

.table-wrap {
  overflow-x: auto;
  padding: 14px;
}

.desktop-grid {
  display: block;
}

.timetable {
  width: 100%;
  min-width: 940px;
  table-layout: fixed;
  border-collapse: separate;
  border-spacing: 0;
}

.timetable-col-slot {
  width: 108px;
}

.timetable th,
.timetable td {
  padding: 12px;
  vertical-align: top;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.timetable thead th {
  position: sticky;
  top: 0;
  z-index: 5;
  background: linear-gradient(180deg, rgba(7, 43, 99, 0.98), rgba(9, 59, 134, 0.96));
  color: #f8fbff;
  font-size: 0.84rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.timetable thead th:first-child {
  border-top-left-radius: 16px;
}

.timetable thead th:last-child {
  border-top-right-radius: 16px;
}

.slot-cell {
  position: sticky;
  left: 0;
  z-index: 4;
  min-width: 108px;
  background: color-mix(in srgb, var(--panel-strong) 82%, var(--blue-soft) 18%);
}

.slot-cell span {
  display: block;
  font-size: 1.14rem;
  letter-spacing: -0.04em;
}

.slot-cell small {
  color: var(--muted);
}

.short-schedule-cell-head {
  display: flex;
  justify-content: flex-end;
  margin: 0 0 8px;
}

.short-schedule-badge {
  display: inline-grid;
  place-items: center;
  width: fit-content;
  height: 24px;
  min-height: 24px;
  padding: 0 10px;
  border-radius: 999px;
  background: rgba(225, 36, 40, 0.08);
  border: 1px solid rgba(225, 36, 40, 0.16);
  color: #9f1f23;
  font-size: 0.64rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1;
  white-space: nowrap;
  text-align: center;
  vertical-align: middle;
}

.short-schedule-badge-text {
  display: block;
  line-height: 1;
  transform: translateY(0.6px);
}

.lesson-card {
  display: grid;
  gap: 10px;
  padding: 12px;
  border-radius: 16px;
  background: var(--panel-strong);
  border: 1px solid var(--line);
  border-left: 4px solid rgba(225, 36, 40, 0.82);
  box-shadow: 0 10px 22px rgba(16, 29, 40, 0.06);
}

.lesson-card + .lesson-card {
  margin-top: 8px;
}

.lesson-card-practice {
  background: linear-gradient(180deg, rgba(239, 243, 247, 0.98), rgba(228, 234, 241, 0.98));
  border-color: rgba(114, 128, 145, 0.18);
  border-left-color: rgba(116, 128, 142, 0.9);
  box-shadow: 0 8px 18px rgba(15, 23, 42, 0.04);
}

.lesson-card-annotation {
  background: linear-gradient(180deg, rgba(255, 247, 237, 0.98), rgba(252, 241, 224, 0.98));
  border-color: rgba(203, 127, 41, 0.18);
  border-left-color: rgba(203, 127, 41, 0.82);
  box-shadow: 0 8px 18px rgba(92, 56, 18, 0.05);
}

.lesson-card-annotation .lesson-subject,
.lesson-card-annotation .meta-pill,
.lesson-card-annotation .meta-pill-value {
  color: #6a3f12;
}

.lesson-card-annotation .meta-pill-ckz {
  background: rgba(203, 127, 41, 0.12);
  border-color: rgba(203, 127, 41, 0.18);
}

.lesson-card-annotation .meta-pill-ckz .meta-pill-label {
  color: rgba(106, 63, 18, 0.7);
}

.lesson-card-duty {
  gap: 4px;
  padding: 6px 8px;
  border-radius: 12px;
  background: linear-gradient(180deg, rgba(255, 248, 240, 0.98), rgba(250, 238, 223, 0.98));
  border-color: rgba(203, 127, 41, 0.18);
  border-left-color: rgba(203, 127, 41, 0.84);
  box-shadow: 0 8px 18px rgba(92, 56, 18, 0.06);
}

.lesson-card-duty .lesson-subject {
  color: #6a3f12;
  font-size: 0.64rem;
  font-weight: 600;
  line-height: 1.2;
  overflow-wrap: anywhere;
}

.lesson-duty-head {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.lesson-duty-time {
  margin-left: auto;
  flex-shrink: 0;
  font-size: 0.62rem;
  font-weight: 700;
  line-height: 1.1;
  color: rgba(106, 63, 18, 0.72);
}

.lesson-card-practice .lesson-subject,
.lesson-card-practice .meta-pill,
.lesson-card-practice .meta-pill-value {
  color: #4f5f70;
}

.lesson-card-practice .meta-pill {
  background: rgba(237, 241, 245, 0.96);
  border-color: rgba(116, 128, 142, 0.14);
}

.lesson-card-practice .meta-pill-label {
  color: rgba(79, 95, 112, 0.72);
}

.lesson-card-practice .meta-pill-practice {
  background: rgba(214, 221, 229, 0.96);
  border-color: rgba(116, 128, 142, 0.2);
}

.lesson-card-practice .meta-pill-practice .meta-pill-label {
  color: rgba(70, 82, 95, 0.74);
}

.lesson-card-substitution {
  border-left-color: rgba(237, 138, 36, 0.9);
}

.lesson-card-substitution-cover {
  background: linear-gradient(180deg, rgba(255, 248, 238, 0.98), rgba(255, 241, 223, 0.98));
  border-color: rgba(215, 140, 52, 0.2);
  box-shadow: 0 10px 22px rgba(120, 74, 18, 0.07);
}

.lesson-card-substitution-absent {
  background: linear-gradient(180deg, rgba(255, 244, 244, 0.98), rgba(255, 234, 234, 0.98));
  border-color: rgba(225, 36, 40, 0.16);
  border-left-color: rgba(225, 36, 40, 0.84);
  box-shadow: 0 10px 22px rgba(120, 24, 26, 0.07);
}

.lesson-card-substitution-room-free {
  background: linear-gradient(180deg, rgba(240, 251, 245, 0.98), rgba(228, 246, 235, 0.98));
  border-color: rgba(32, 146, 86, 0.16);
  border-left-color: rgba(32, 146, 86, 0.82);
  box-shadow: 0 10px 22px rgba(16, 86, 50, 0.07);
}

.lesson-substitution-strip {
  display: grid;
  gap: 5px;
  padding: 6px 7px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.78);
  border: 1px dashed rgba(14, 42, 84, 0.14);
}

.lesson-substitution-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: fit-content;
  padding: 3px 7px;
  border-radius: 999px;
  background: rgba(237, 138, 36, 0.12);
  color: rgba(133, 72, 13, 0.96);
  font-size: 0.56rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.lesson-card-substitution-absent .lesson-substitution-badge {
  background: rgba(225, 36, 40, 0.12);
  color: rgba(151, 19, 22, 0.96);
}

.lesson-card-substitution-room-free .lesson-substitution-badge {
  background: rgba(32, 146, 86, 0.14);
  color: rgba(21, 96, 57, 0.98);
}

.lesson-substitution-details {
  display: grid;
  gap: 4px;
}

.lesson-substitution-row {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  align-items: start;
  gap: 8px;
}

.lesson-substitution-row span {
  color: rgba(75, 95, 116, 0.8);
  font-size: 0.56rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.lesson-substitution-row strong {
  font-size: 0.66rem;
  font-weight: 600;
  line-height: 1.24;
  text-align: right;
  overflow-wrap: anywhere;
}

.lesson-subject {
  font-size: 0.94rem;
  font-weight: 600;
  line-height: 1.18;
}

.lesson-meta {
  display: grid;
  gap: 6px;
}

.lesson-meta-top {
  display: grid;
  gap: 6px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.lesson-meta-bottom {
  display: grid;
  gap: 6px;
  grid-template-columns: 1fr;
}

.meta-pill {
  display: grid;
  gap: 2px;
  padding: 8px 10px;
  border-radius: 12px;
  background: var(--soft-surface);
  border: 1px solid var(--line);
  color: var(--accent-deep);
  font-size: 0.85rem;
  transition: transform 180ms ease, background 180ms ease;
}

.meta-pill-label {
  font-size: 0.62rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.meta-pill-value {
  font-size: 0.82rem;
  font-weight: 700;
  line-height: 1.14;
  overflow-wrap: anywhere;
}

.meta-pill-active {
  background: rgba(225, 36, 40, 0.1);
  border-color: rgba(225, 36, 40, 0.16);
}

.meta-pill-ckp {
  background: rgba(225, 36, 40, 0.12);
  border-color: rgba(225, 36, 40, 0.22);
  color: var(--accent);
}

.meta-pill-ckp .meta-pill-label {
  color: rgba(16, 42, 67, 0.56);
}

.meta-pill-practice {
  background: rgba(112, 125, 140, 0.12);
  border-color: rgba(112, 125, 140, 0.18);
  color: #4a5968;
}

.meta-pill-practice .meta-pill-label {
  color: rgba(74, 89, 104, 0.72);
}

.meta-pill-duty {
  background: rgba(203, 127, 41, 0.12);
  border-color: rgba(203, 127, 41, 0.16);
  color: #6a3f12;
}

.meta-pill-duty .meta-pill-label {
  color: rgba(106, 63, 18, 0.72);
}

.meta-pill-wide {
  min-width: 0;
}

.empty-state,
.day-empty {
  display: grid;
  place-items: center;
  min-height: 82px;
  padding: 12px;
  border-radius: var(--radius-md);
  background: var(--soft-surface);
  color: var(--muted);
  text-align: center;
}

.empty-state-mobile {
  min-height: 78px;
}

.mobile-stack {
  display: none;
}

.day-panel {
  padding: 20px;
}

.day-panel-head {
  margin-bottom: 14px;
}

.day-slot {
  display: grid;
  gap: 12px;
  grid-template-columns: 96px minmax(0, 1fr);
  padding: 14px 0;
  border-top: 1px solid var(--line);
}

.day-slot:first-of-type {
  border-top: 0;
  padding-top: 0;
}

.day-slot-label span {
  display: block;
  font-size: 1.3rem;
  letter-spacing: -0.04em;
}

.day-slot-label small {
  color: var(--muted);
}

.day-slot-label .short-schedule-badge {
  margin-top: 6px;
  font-size: 0.48rem;
  background: rgba(225, 36, 40, 0.08);
  border-color: rgba(225, 36, 40, 0.16);
  color: #9f1f23;
}

.day-slot-cards {
  display: grid;
  gap: 10px;
}

.desktop-grid .timetable th,
.desktop-grid .timetable td {
  padding: 6px;
}

.desktop-grid .timetable thead th {
  font-size: 0.76rem;
  letter-spacing: 0.05em;
}

.desktop-grid .timetable-col-slot {
  width: 98px;
}

.desktop-grid .slot-cell {
  min-width: 98px;
}

.desktop-grid .slot-cell span {
  font-size: 0.94rem;
}

.desktop-grid .slot-cell small {
  font-size: 0.66rem;
}

.desktop-grid .lesson-card {
  gap: 4px;
  padding: 6px 7px;
  border-radius: 12px;
}

.desktop-grid .lesson-card + .lesson-card {
  margin-top: 4px;
}

.desktop-grid .lesson-subject {
  font-size: 0.8rem;
  line-height: 1.08;
}

.desktop-grid .lesson-card-duty .lesson-subject {
  font-size: 0.61rem;
  line-height: 1.15;
}

.desktop-grid .lesson-substitution-strip {
  gap: 3px;
  padding: 5px 6px;
  border-radius: 10px;
}

.desktop-grid .lesson-substitution-badge {
  padding: 2px 6px;
  font-size: 0.5rem;
}

.desktop-grid .lesson-substitution-row {
  gap: 6px;
}

.desktop-grid .lesson-substitution-row span {
  font-size: 0.5rem;
}

.desktop-grid .lesson-substitution-row strong {
  font-size: 0.61rem;
}

.desktop-grid .lesson-meta,
.desktop-grid .lesson-meta-top,
.desktop-grid .lesson-meta-bottom {
  gap: 4px;
}

.desktop-grid .meta-pill {
  gap: 1px;
  padding: 5px 6px;
  border-radius: 9px;
}

.desktop-grid .meta-pill-label {
  font-size: 0.52rem;
  line-height: 1;
}

.desktop-grid .meta-pill-value {
  font-size: 0.7rem;
  line-height: 1.05;
}

.desktop-grid .empty-state {
  min-height: 46px;
  padding: 7px;
  font-size: 0.76rem;
}

.lesson-card-mobile {
  min-width: 0;
}

.site-footer {
  width: min(1420px, calc(100vw - 32px));
  margin: 0 auto 32px;
  display: grid;
  gap: 4px;
  padding: 18px 20px;
  background: var(--panel);
  color: var(--muted);
  text-align: center;
}

.site-footer p {
  margin: 0;
}

.site-footer-publication {
  font-size: 0.84rem;
  color: var(--muted);
}

.micro-brand-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
  justify-content: flex-end;
  width: min(1420px, calc(100vw - 32px));
  padding-right: 74px;
  box-sizing: border-box;
  margin: -16px auto 28px;
}

.micro-brand-author {
  color: rgba(16, 42, 67, 0.42);
  font-size: 0.54rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.micro-brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 4px 8px;
  color: rgba(16, 42, 67, 0.48);
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-decoration: none;
  text-transform: uppercase;
  transition:
    opacity 160ms ease,
    transform 160ms ease,
    color 160ms ease;
  opacity: 0.72;
}

.micro-brand:hover,
.micro-brand:focus-visible {
  color: rgba(16, 42, 67, 0.72);
  opacity: 1;
  transform: translateY(-1px);
}

.micro-brand-logo {
  display: block;
  width: auto;
  height: 11px;
}

.micro-brand-wordmark {
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.14em;
}

.back-to-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  padding: 0;
  border: 1px solid rgba(9, 59, 134, 0.14);
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(9, 59, 134, 0.98), rgba(7, 43, 99, 0.98));
  color: #f8fbff;
  box-shadow: 0 18px 34px rgba(9, 59, 134, 0.24);
  cursor: pointer;
  opacity: 0;
  transform: translateY(10px);
  pointer-events: none;
  transition:
    opacity 180ms ease,
    transform 180ms ease,
    box-shadow 180ms ease,
    background 180ms ease;
  z-index: 50;
}

.back-to-top.is-visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.back-to-top:hover,
.back-to-top:focus-visible {
  box-shadow: 0 22px 40px rgba(9, 59, 134, 0.28);
  transform: translateY(-2px);
}

.back-to-top:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 3px;
}

.back-to-top svg {
  width: 20px;
  height: 20px;
  display: block;
}

body.modal-open {
  overflow: hidden;
}

.tap-game-modal[hidden] {
  display: none !important;
}

.tap-game-modal {
  position: fixed;
  inset: 0;
  z-index: 120;
  display: grid;
  place-items: center;
  padding: 20px;
}

.tap-game-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(6, 16, 31, 0.5);
  backdrop-filter: blur(8px);
}

.tap-game-dialog {
  position: relative;
  z-index: 1;
  width: min(100%, 520px);
  display: grid;
  gap: 18px;
  padding: 24px;
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid rgba(8, 59, 138, 0.12);
  box-shadow: 0 28px 64px rgba(7, 24, 50, 0.24);
}

.tap-game-close {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 34px;
  height: 34px;
  border: 0;
  border-radius: 999px;
  background: rgba(8, 59, 138, 0.08);
  color: var(--ink);
  font-size: 1.3rem;
  line-height: 1;
  cursor: pointer;
}

.tap-game-head {
  display: grid;
  gap: 8px;
}

.tap-game-kicker {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}

.tap-game-head h2 {
  margin: 0;
  font-size: clamp(1.25rem, 3vw, 1.8rem);
  font-weight: 700;
  letter-spacing: -0.04em;
}

.tap-game-head p,
.tap-game-note {
  margin: 0;
  color: var(--muted);
}

.tap-game-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.tap-game-stat {
  display: grid;
  gap: 4px;
  padding: 12px 14px;
  border-radius: 16px;
  background: var(--soft-surface);
  border: 1px solid var(--line);
}

.tap-game-stat span {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.tap-game-stat strong {
  font-size: 1.12rem;
  font-weight: 700;
  letter-spacing: -0.04em;
}

.tap-game-button {
  min-height: 180px;
  border: 0;
  border-radius: 24px;
  background: linear-gradient(135deg, rgba(9, 59, 134, 0.96), rgba(225, 36, 40, 0.92));
  color: #f8fbff;
  font-size: clamp(1.35rem, 4vw, 1.8rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  cursor: pointer;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.12), 0 18px 30px rgba(9, 59, 134, 0.24);
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.tap-game-button:disabled {
  cursor: not-allowed;
  opacity: 0.56;
  transform: none;
  box-shadow: none;
}

.tap-game-button:hover,
.tap-game-button:focus-visible {
  transform: translateY(-1px);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.14), 0 20px 34px rgba(9, 59, 134, 0.28);
}

.tap-game-button:focus-visible,
.tap-game-close:focus-visible {
  outline: 2px solid rgba(9, 59, 134, 0.34);
  outline-offset: 3px;
}

html[data-theme="dark"] .portal-card {
  background: linear-gradient(180deg, rgba(14, 26, 42, 0.96), rgba(10, 20, 34, 0.98));
  border-color: var(--line);
}

html[data-theme="dark"] .portal-card-classes {
  background:
    linear-gradient(180deg, rgba(13, 28, 48, 0.98), rgba(11, 22, 38, 0.98)),
    linear-gradient(140deg, rgba(110, 168, 255, 0.12), transparent);
}

html[data-theme="dark"] .portal-card-teachers {
  background:
    linear-gradient(180deg, rgba(14, 26, 42, 0.98), rgba(10, 20, 34, 0.98)),
    linear-gradient(140deg, rgba(138, 180, 248, 0.12), transparent);
}

html[data-theme="dark"] .portal-card-rooms {
  background:
    linear-gradient(180deg, rgba(13, 28, 44, 0.98), rgba(10, 20, 34, 0.98)),
    linear-gradient(140deg, rgba(118, 190, 255, 0.1), transparent);
}

html[data-theme="dark"] .portal-card-duties {
  background:
    linear-gradient(180deg, rgba(43, 30, 20, 0.98), rgba(31, 22, 16, 0.98)),
    linear-gradient(140deg, rgba(255, 186, 112, 0.12), transparent);
}

html[data-theme="dark"] .portal-card-free_rooms {
  background:
    linear-gradient(180deg, rgba(16, 36, 24, 0.98), rgba(11, 27, 18, 0.98)),
    linear-gradient(140deg, rgba(95, 214, 124, 0.14), transparent);
}

html[data-theme="dark"] .portal-card-substitutions {
  background:
    linear-gradient(180deg, rgba(22, 24, 36, 0.98), rgba(14, 18, 28, 0.98)),
    linear-gradient(140deg, rgba(255, 90, 95, 0.12), transparent);
}

html[data-theme="dark"] .portal-card-practices {
  background:
    linear-gradient(180deg, rgba(14, 26, 42, 0.98), rgba(10, 20, 34, 0.98)),
    linear-gradient(140deg, rgba(138, 180, 248, 0.1), transparent);
}

html[data-theme="dark"] .portal-icon {
  color: var(--accent-strong);
  background: linear-gradient(180deg, rgba(18, 34, 55, 0.98), rgba(13, 24, 39, 0.98));
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.04),
    0 16px 28px rgba(2, 8, 18, 0.24);
}

html[data-theme="dark"] .portal-card-classes .portal-icon,
html[data-theme="dark"] .portal-card-practices .portal-icon {
  color: #a9c9ff;
}

html[data-theme="dark"] .portal-card-rooms .portal-icon {
  color: #9fd8ff;
}

html[data-theme="dark"] .portal-card-duties .portal-icon {
  color: #ffd2a2;
}

html[data-theme="dark"] .portal-card-free_rooms .portal-icon {
  color: #7ee29a;
}

html[data-theme="dark"] .portal-card-substitutions .portal-icon {
  color: #ff9ea2;
}

html[data-theme="dark"] .directory-card,
html[data-theme="dark"] .metric-card,
html[data-theme="dark"] .feed-status-card,
html[data-theme="dark"] .feed-day-card,
html[data-theme="dark"] .substitution-card,
html[data-theme="dark"] .practice-card,
html[data-theme="dark"] .free-room-card,
html[data-theme="dark"] .class-practice-panel,
html[data-theme="dark"] .class-practice-card,
html[data-theme="dark"] .group-filter,
html[data-theme="dark"] .availability-shell,
html[data-theme="dark"] .feed-shell,
html[data-theme="dark"] .directory-shell,
html[data-theme="dark"] .browse-shell,
html[data-theme="dark"] .table-wrap,
html[data-theme="dark"] .day-panel,
html[data-theme="dark"] .topbar,
html[data-theme="dark"] .masthead,
html[data-theme="dark"] .site-footer {
  border-color: var(--line);
  box-shadow: var(--shadow-soft);
}

html[data-theme="dark"] .action-secondary {
  background: var(--soft-surface);
  border-color: var(--line);
  color: var(--accent-strong);
}

html[data-theme="dark"] .search-field input::placeholder,
html[data-theme="dark"] .feed-filter-field input::placeholder {
  color: rgba(154, 176, 201, 0.72);
}

html[data-theme="dark"] .practice-card-current,
html[data-theme="dark"] .class-practice-card-current {
  background: linear-gradient(180deg, rgba(18, 34, 55, 0.98), rgba(14, 27, 44, 0.98));
  border-color: rgba(138, 180, 248, 0.2);
  box-shadow: 0 16px 34px rgba(2, 8, 18, 0.28);
}

html[data-theme="dark"] .practice-card {
  background: linear-gradient(180deg, rgba(14, 26, 42, 0.98), rgba(10, 20, 34, 0.98));
}

html[data-theme="dark"] .feed-shell,
html[data-theme="dark"] .feed-status-card,
html[data-theme="dark"] .feed-day-card {
  background: linear-gradient(180deg, rgba(14, 26, 42, 0.98), rgba(10, 20, 34, 0.98));
}

html[data-theme="dark"] .substitution-card {
  background: linear-gradient(180deg, rgba(17, 30, 47, 0.98), rgba(12, 23, 38, 0.98));
  border-color: rgba(138, 180, 248, 0.12);
}

html[data-theme="dark"] .substitution-row {
  border-top-color: rgba(138, 180, 248, 0.12);
}

html[data-theme="dark"] .substitution-row-slot,
html[data-theme="dark"] .substitution-lesson {
  background: rgba(255, 90, 95, 0.14);
  color: #ffb0b3;
}

html[data-theme="dark"] .substitution-row-copy strong,
html[data-theme="dark"] .substitution-subject,
html[data-theme="dark"] .substitution-card .feed-detail-item strong {
  color: var(--ink);
}

html[data-theme="dark"] .substitution-row-copy p,
html[data-theme="dark"] .substitution-card .feed-detail-item span {
  color: var(--muted);
}

html[data-theme="dark"] .practice-card-head span {
  background: rgba(255, 90, 95, 0.12);
  color: #ffb0b3;
}

html[data-theme="dark"] .practice-card-link,
html[data-theme="dark"] .practice-profile {
  color: var(--ink);
}

html[data-theme="dark"] .practice-inline-link {
  color: #c8dbff;
}

html[data-theme="dark"] .practice-card-link:hover,
html[data-theme="dark"] .practice-inline-link:hover {
  color: #ffffff;
}

html[data-theme="dark"] .practice-current-badge,
html[data-theme="dark"] .class-practice-badge,
html[data-theme="dark"] .class-practice-status,
html[data-theme="dark"] .substitution-class,
html[data-theme="dark"] .day-jump a,
html[data-theme="dark"] .day-jump-empty,
html[data-theme="dark"] .hero-chip-light {
  background: var(--soft-surface);
  color: var(--accent-strong);
}

html[data-theme="dark"] .day-jump a.is-active {
  background: linear-gradient(180deg, rgba(138, 180, 248, 0.28), rgba(87, 133, 211, 0.28));
  color: #f7fbff;
  border-color: rgba(138, 180, 248, 0.2);
}

html[data-theme="dark"] .lesson-card-practice {
  background: linear-gradient(180deg, rgba(35, 45, 58, 0.98), rgba(29, 38, 51, 0.98));
  border-color: rgba(141, 153, 168, 0.18);
  border-left-color: rgba(146, 158, 173, 0.84);
  box-shadow: 0 8px 18px rgba(2, 8, 18, 0.18);
}

html[data-theme="dark"] .lesson-card-annotation {
  background: linear-gradient(180deg, rgba(67, 45, 24, 0.98), rgba(56, 37, 18, 0.98));
  border-color: rgba(255, 186, 112, 0.16);
  border-left-color: rgba(255, 186, 112, 0.72);
  box-shadow: 0 8px 18px rgba(2, 8, 18, 0.22);
}

html[data-theme="dark"] .lesson-card-annotation .lesson-subject,
html[data-theme="dark"] .lesson-card-annotation .meta-pill,
html[data-theme="dark"] .lesson-card-annotation .meta-pill-value {
  color: #ffe0bf;
}

html[data-theme="dark"] .lesson-card-annotation .meta-pill-ckz {
  background: rgba(255, 186, 112, 0.12);
  border-color: rgba(255, 186, 112, 0.18);
}

html[data-theme="dark"] .lesson-card-annotation .meta-pill-ckz .meta-pill-label {
  color: rgba(255, 224, 191, 0.68);
}

html[data-theme="dark"] .lesson-card-duty {
  background: linear-gradient(180deg, rgba(58, 40, 24, 0.98), rgba(46, 31, 18, 0.98));
  border-color: rgba(255, 186, 112, 0.16);
  border-left-color: rgba(255, 186, 112, 0.72);
  box-shadow: 0 8px 18px rgba(2, 8, 18, 0.22);
}

html[data-theme="dark"] .lesson-card-duty .lesson-subject {
  color: #ffe0bf;
}

html[data-theme="dark"] .lesson-duty-time {
  color: rgba(255, 224, 191, 0.7);
}

html[data-theme="dark"] .lesson-card-practice .lesson-subject,
html[data-theme="dark"] .lesson-card-practice .meta-pill,
html[data-theme="dark"] .lesson-card-practice .meta-pill-value {
  color: #d9e2ef;
}

html[data-theme="dark"] .lesson-card-practice .meta-pill {
  background: rgba(214, 221, 229, 0.08);
  border-color: rgba(214, 221, 229, 0.12);
}

html[data-theme="dark"] .lesson-card-practice .meta-pill-label,
html[data-theme="dark"] .meta-pill-practice .meta-pill-label {
  color: rgba(217, 226, 239, 0.62);
}

html[data-theme="dark"] .lesson-card-substitution-cover {
  background: linear-gradient(180deg, rgba(66, 48, 28, 0.98), rgba(54, 39, 22, 0.98));
  border-color: rgba(255, 186, 112, 0.16);
  border-left-color: rgba(255, 186, 112, 0.76);
  box-shadow: 0 10px 22px rgba(2, 8, 18, 0.22);
}

html[data-theme="dark"] .lesson-card-substitution-absent {
  background: linear-gradient(180deg, rgba(68, 32, 35, 0.98), rgba(58, 26, 29, 0.98));
  border-color: rgba(255, 152, 158, 0.14);
  border-left-color: rgba(255, 126, 132, 0.78);
  box-shadow: 0 10px 22px rgba(2, 8, 18, 0.24);
}

html[data-theme="dark"] .lesson-card-substitution-room-free {
  background: linear-gradient(180deg, rgba(22, 56, 39, 0.98), rgba(18, 46, 32, 0.98));
  border-color: rgba(125, 225, 170, 0.14);
  border-left-color: rgba(96, 210, 150, 0.78);
  box-shadow: 0 10px 22px rgba(2, 8, 18, 0.24);
}

html[data-theme="dark"] .lesson-substitution-strip {
  background: rgba(12, 18, 30, 0.42);
  border-color: rgba(214, 224, 238, 0.14);
}

html[data-theme="dark"] .lesson-substitution-badge {
  background: rgba(255, 186, 112, 0.14);
  color: #ffe5c7;
}

html[data-theme="dark"] .lesson-card-substitution-absent .lesson-substitution-badge {
  background: rgba(255, 126, 132, 0.16);
  color: #ffd9dc;
}

html[data-theme="dark"] .lesson-card-substitution-room-free .lesson-substitution-badge {
  background: rgba(96, 210, 150, 0.16);
  color: #d5f9e8;
}

html[data-theme="dark"] .lesson-substitution-row span {
  color: rgba(214, 224, 238, 0.62);
}

html[data-theme="dark"] .lesson-substitution-row strong {
  color: #f4f8ff;
}

html[data-theme="dark"] .meta-pill-practice {
  background: rgba(214, 221, 229, 0.08);
  border-color: rgba(214, 221, 229, 0.14);
  color: #d9e2ef;
}

html[data-theme="dark"] .meta-pill-ckp .meta-pill-label {
  color: rgba(238, 245, 255, 0.56);
}

html[data-theme="dark"] .timetable thead th,
html[data-theme="dark"] .availability-summary,
html[data-theme="dark"] .hero-panel,
html[data-theme="dark"] .detail-panel,
html[data-theme="dark"] .directory-summary {
  box-shadow: none;
}

html[data-theme="dark"] .slot-cell,
html[data-theme="dark"] .free-room-empty,
html[data-theme="dark"] .empty-state,
html[data-theme="dark"] .day-empty,
html[data-theme="dark"] .feed-message,
html[data-theme="dark"] .feed-empty,
html[data-theme="dark"] .feed-detail-item,
html[data-theme="dark"] .class-practice-detail {
  background: var(--soft-surface);
}

html[data-theme="dark"] .short-schedule-badge {
  background: rgba(255, 107, 107, 0.14);
  border-color: rgba(255, 107, 107, 0.22);
  color: #ffd4d7;
}

html[data-theme="dark"] .day-slot-label .short-schedule-badge {
  background: rgba(255, 107, 107, 0.14);
  border-color: rgba(255, 107, 107, 0.22);
  color: #ffd4d7;
}

html[data-theme="dark"] .micro-brand {
  color: rgba(154, 176, 201, 0.48);
}

html[data-theme="dark"] .micro-brand-author {
  color: rgba(154, 176, 201, 0.42);
}

html[data-theme="dark"] .micro-brand:hover,
html[data-theme="dark"] .micro-brand:focus-visible {
  color: rgba(214, 228, 245, 0.82);
}

html[data-theme="dark"] .back-to-top {
  border-color: rgba(138, 180, 248, 0.18);
  background: linear-gradient(180deg, rgba(18, 34, 55, 0.98), rgba(13, 25, 40, 0.98));
  box-shadow: 0 18px 34px rgba(2, 8, 18, 0.32);
}

html[data-theme="dark"] .back-to-top:hover,
html[data-theme="dark"] .back-to-top:focus-visible {
  box-shadow: 0 22px 42px rgba(2, 8, 18, 0.38);
}

html[data-theme="dark"] .tap-game-dialog {
  background: rgba(9, 17, 31, 0.96);
  border-color: rgba(138, 180, 248, 0.14);
  box-shadow: 0 28px 64px rgba(2, 8, 18, 0.42);
}

html[data-theme="dark"] .tap-game-close {
  background: rgba(138, 180, 248, 0.12);
  color: #f2f7ff;
}

html[data-theme="dark"] .tap-game-kicker {
  color: #ff9b9d;
}

html[data-theme="dark"] .tap-game-head p,
html[data-theme="dark"] .tap-game-note,
html[data-theme="dark"] .tap-game-stat span {
  color: rgba(214, 224, 238, 0.72);
}

html[data-theme="dark"] .tap-game-stat {
  background: rgba(16, 28, 47, 0.92);
  border-color: rgba(138, 180, 248, 0.12);
}

html[data-theme="dark"] .tap-game-button {
  background: linear-gradient(135deg, rgba(87, 133, 211, 0.94), rgba(255, 110, 116, 0.9));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08), 0 18px 30px rgba(2, 8, 18, 0.38);
}

html[data-theme="dark"] .tap-game-button:hover,
html[data-theme="dark"] .tap-game-button:focus-visible {
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1), 0 20px 34px rgba(2, 8, 18, 0.44);
}

html[data-theme="dark"] .availability-field::after {
  border-right-color: rgba(201, 221, 255, 0.78);
  border-bottom-color: rgba(201, 221, 255, 0.78);
}

html[data-theme="dark"] .availability-field select {
  border-color: rgba(138, 180, 248, 0.14);
  background-color: rgba(18, 34, 55, 0.98);
  background:
    linear-gradient(180deg, rgba(18, 34, 55, 0.98), rgba(13, 25, 40, 0.98)),
    linear-gradient(135deg, rgba(138, 180, 248, 0.08), transparent 55%);
  color: #eef4ff;
  color-scheme: dark;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.03),
    0 10px 24px rgba(2, 8, 18, 0.24);
}

html[data-theme="dark"] .availability-field select option,
html[data-theme="dark"] .availability-field select optgroup {
  background-color: #122237;
  color: #eef4ff;
}

html[data-theme="dark"] .availability-field select:hover {
  border-color: rgba(138, 180, 248, 0.24);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.04),
    0 14px 28px rgba(2, 8, 18, 0.28);
}

html[data-theme="dark"] .availability-field select:focus {
  border-color: rgba(255, 90, 95, 0.28);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.04),
    0 0 0 4px rgba(138, 180, 248, 0.1),
    0 16px 30px rgba(2, 8, 18, 0.32);
}

html[data-theme="dark"] .duty-table-wrap {
  background: linear-gradient(180deg, rgba(14, 26, 42, 0.98), rgba(10, 20, 34, 0.98));
}

html[data-theme="dark"] .duty-table tbody th {
  background: rgba(18, 34, 55, 0.98);
  color: var(--ink);
}

html[data-theme="dark"] .duty-table td a {
  color: #cfe0ff;
}

html[data-theme="dark"] .duty-table td span {
  color: #cfe0ff;
}

html[data-theme="dark"] .duty-table td a:hover {
  color: #ffffff;
}

html[data-theme="dark"] .duty-mobile-row {
  background: rgba(18, 34, 55, 0.98);
}

html[data-theme="dark"] .duty-mobile-row-main span {
  color: var(--muted);
}

html[data-theme="dark"] .duty-mobile-row-teachers a,
html[data-theme="dark"] .duty-mobile-row-teachers span {
  color: #cfe0ff;
}

html[data-theme="dark"] .duty-mobile-row-teachers a:hover {
  color: #ffffff;
}

html[data-theme="dark"] .duty-table-break,
html[data-theme="dark"] .duty-table-empty {
  color: var(--muted);
}

@media (max-width: 1080px) {
  .masthead {
    align-items: flex-start;
    flex-direction: column;
  }

  .masthead-tools {
    width: 100%;
    justify-content: space-between;
  }

  .masthead-note {
    justify-items: start;
    text-align: left;
  }

  .home-hero,
  .section-hero,
  .detail-hero {
    grid-template-columns: 1fr;
  }

  .metrics-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .home-status-main {
    align-items: start;
    flex-direction: column;
  }

  .home-status-line {
    max-width: none;
    text-align: left;
  }

  .home-status-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .feed-filters {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .feed-filter-reset {
    grid-column: 1 / -1;
  }

  .portal-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .availability-tools {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .availability-summary {
    grid-column: 1 / -1;
  }

  .duty-board {
    display: none;
  }

  .duty-table-wrap {
    display: none;
  }

  .duty-mobile {
    display: grid;
    gap: 14px;
  }

  .duty-mobile-stack {
    display: grid;
    gap: 16px;
    touch-action: pan-y;
  }
}

@media (max-width: 900px) {
  .desktop-grid {
    display: none;
  }

  .mobile-stack {
    display: grid;
    gap: 16px;
    touch-action: pan-y;
  }

  .day-jump {
    position: sticky;
    top: 66px;
    z-index: 18;
    flex-wrap: nowrap;
    overflow-x: auto;
    padding: 8px;
    margin-inline: -2px;
    background: var(--chrome-bg-strong);
    border: 1px solid var(--line);
    border-radius: 16px;
    box-shadow: var(--shadow-soft);
    backdrop-filter: blur(18px);
    scrollbar-width: none;
  }

  .day-jump::-webkit-scrollbar {
    display: none;
  }

  .day-jump a,
  .day-jump-empty {
    flex: 0 0 auto;
    min-width: 84px;
    justify-content: center;
  }

  .duty-mobile-place-head {
    display: none;
  }

  .lesson-meta-top {
    grid-template-columns: repeat(auto-fit, minmax(96px, 1fr));
  }

  .lesson-card-mobile.lesson-card-class .lesson-meta-top {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .lesson-card-mobile .meta-pill {
    min-width: 0;
  }

  .feed-head {
    grid-template-columns: 1fr;
    display: grid;
  }

  .substitution-row {
    grid-template-columns: 1fr;
  }

  .substitution-row-head {
    position: static;
  }

  .feed-refresh {
    width: 100%;
  }

  .feed-detail-list {
    grid-template-columns: 1fr;
  }

  .feed-detail-item-wide {
    grid-column: auto;
  }

  .substitution-card .substitution-detail-list {
    grid-template-columns: minmax(0, 2fr) minmax(0, 1fr) minmax(0, 2fr);
  }
}

@media (max-width: 720px) {
  .page,
  .site-footer {
    width: min(100vw - 18px, 1420px);
  }

  .page {
    padding-top: 14px;
  }

  .topbar {
    top: 8px;
  }

  .masthead,
  .home-hero,
  .browse-shell,
  .section-hero,
  .detail-hero,
  .directory-shell,
  .table-wrap,
  .day-panel,
  .site-footer {
    padding-left: 18px;
    padding-right: 18px;
  }

  .hero-copy h1,
  .section-copy h1,
  .detail-copy h1 {
    font-size: clamp(2.5rem, 16vw, 4rem);
  }

  .micro-brand-wrap {
    padding-right: 62px;
    margin-top: -14px;
    margin-bottom: 24px;
  }

  .back-to-top {
    right: 18px;
    bottom: 18px;
    width: 46px;
    height: 46px;
  }

  .tap-game-modal {
    padding: 14px;
  }

  .tap-game-dialog {
    gap: 14px;
    padding: 18px;
    border-radius: 22px;
  }

  .tap-game-stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .tap-game-button {
    min-height: 150px;
    border-radius: 20px;
  }

  .metrics-grid {
    grid-template-columns: 1fr;
  }

  .class-option-card-stats .metrics-grid {
    gap: 10px;
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .class-option-card-stats .metric-card {
    padding: 10px 10px 10px 12px;
  }

  .class-option-card-stats .metric-card span {
    font-size: 0.58rem;
    letter-spacing: 0.06em;
  }

  .class-option-card-stats .metric-card strong {
    margin-top: 4px;
    font-size: 1rem;
  }

  .feed-shell,
  .feed-day-card {
    padding: 18px;
  }

  .feed-filters {
    grid-template-columns: 1fr;
  }

  .feed-filter-reset {
    grid-column: auto;
  }

  .class-practice-grid,
  .class-practice-details {
    grid-template-columns: 1fr;
  }

  .substitution-grid,
  .practice-grid {
    grid-template-columns: 1fr;
  }

  .substitution-row-grid {
    display: grid;
    grid-template-columns: 1fr;
  }

  .substitution-card {
    min-width: 0;
  }

  .home-status-cards {
    grid-template-columns: 1fr;
  }

  .portal-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .portal-card {
    min-height: 0;
    gap: 10px;
  }

  .portal-card p {
    display: none;
  }

  .directory-grid,
  .free-room-grid {
    grid-template-columns: 1fr;
  }

  .class-option-row {
    grid-template-columns: 1fr;
  }

  .masthead {
    align-items: center;
    flex-direction: row;
    gap: 12px;
    justify-content: space-between;
  }

  .masthead-tools {
    width: auto;
    flex: 0 0 auto;
    justify-content: flex-end;
  }

  .theme-toggle {
    width: auto;
    justify-content: flex-start;
  }

  .portal-card,
  .directory-card {
    min-height: 0;
  }

  .day-slot {
    grid-template-columns: 1fr;
  }

  .day-slot-label {
    display: flex;
    align-items: center;
    gap: 10px;
  }

  .day-slot-label .short-schedule-badge {
    align-self: center;
    height: 20px;
    min-height: 20px;
    padding-inline: 8px;
  }

  .day-slot-label .short-schedule-badge-text {
    transform: translateY(1px);
  }

  .hero-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .site-brand {
    align-items: center;
    flex: 1 1 auto;
    flex-direction: row;
    gap: 10px;
    min-width: 0;
  }

  .site-brand-copy {
    display: none;
  }

  .site-brand-mark {
    height: 46px;
    max-width: min(100%, 220px);
  }

  .availability-tools {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .action-primary,
  .action-secondary,
  .portal-card,
  .directory-card,
  .meta-pill {
    transition: none;
  }
}