:root {
  --bg: #f4f6f1;
  --surface: #ffffff;
  --surface-soft: #eaf0e8;
  --ink: #15201a;
  --muted: #58665c;
  --line: #d8e1d7;
  --line-strong: #718075;
  --accent: #2d6d50;
  --accent-strong: #123f2c;
  --accent-soft: #dcece2;
  --league: #174f68;
  --league-strong: #0d455f;
  --warning: #b8742b;
  --danger: #a6403b;
  --map: #c58b48;
  --map-strong: #70400d;
  --focus: #0b5c3e;
  --button-primary-bg: #2d6d50;
  --button-primary-bg-strong: #123f2c;
  --button-primary-ink: #ffffff;
  --map-badge-ink: #241608;
  --shadow: 0 26px 80px rgba(21, 32, 26, 0.14);
  --shadow-soft: 0 14px 38px rgba(21, 32, 26, 0.08);
  --radius-sm: 8px;
  --radius: 12px;
  --radius-lg: 18px;
  --radius-xl: 28px;
}

:root[data-theme="dark"] {
  --bg: #111711;
  --surface: #1a231d;
  --surface-soft: #243126;
  --ink: #edf4ee;
  --muted: #b9c6bb;
  --line: #334338;
  --line-strong: #7d9081;
  --accent: #6db58c;
  --accent-strong: #c1e8ce;
  --accent-soft: #253c2e;
  --league: #7bc6e3;
  --league-strong: #a6def3;
  --map: #d8a15b;
  --map-strong: #f4c784;
  --focus: #9edbb5;
  --button-primary-bg: #326d50;
  --button-primary-bg-strong: #24523c;
  --button-primary-ink: #ffffff;
  --map-badge-ink: #1c1208;
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.32);
  --shadow-soft: 0 12px 32px rgba(0, 0, 0, 0.22);
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--surface-soft) 76%, transparent) 0 1px, transparent 1px 22px),
    radial-gradient(circle at 88% 4%, color-mix(in srgb, var(--accent-soft) 72%, transparent), transparent 30rem),
    linear-gradient(180deg, color-mix(in srgb, var(--surface) 70%, transparent), transparent 28rem),
    var(--bg);
  color: var(--ink);
  font-family: Tahoma, "Segoe UI", Arial, sans-serif;
  line-height: 1.75;
}

img {
  display: block;
  max-width: 100%;
}

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

.skip-link {
  position: fixed;
  top: 10px;
  inset-inline-start: 12px;
  z-index: 200;
  padding: 10px 16px;
  border-radius: 10px;
  background: var(--accent-strong);
  color: #ffffff;
  font-weight: 800;
  transform: translateY(-160%);
  transition: transform 160ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

::selection {
  background: color-mix(in srgb, var(--accent) 24%, transparent);
  color: var(--ink);
}

button,
input,
textarea,
select {
  font: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 70px;
  padding: 10px clamp(16px, 4vw, 56px);
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: max-content;
  min-height: 44px;
  padding: 0 4px;
  font-size: 1.28rem;
}

.brand-mark {
  width: 36px;
  height: 36px;
  flex: 0 0 36px;
}

.brand strong {
  line-height: 1.2;
  letter-spacing: 0;
}

.main-nav {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.main-nav a,
.theme-toggle {
  min-height: 44px;
  padding: 8px 13px;
  border-radius: 999px;
  color: var(--ink);
  font-weight: 800;
  white-space: nowrap;
  transition: background 160ms ease, color 160ms ease, transform 160ms ease, border-color 160ms ease;
}

.theme-toggle {
  width: 44px;
  min-width: 44px;
  padding: 0;
  font-size: 1.2rem;
  line-height: 1;
}

.main-nav a:hover,
.main-nav a.active {
  background: var(--accent-soft);
  color: var(--accent-strong);
}

.theme-toggle,
.menu-toggle {
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--surface) 88%, var(--surface-soft));
  color: var(--ink);
  cursor: pointer;
  box-shadow: 0 8px 22px rgba(32, 52, 39, 0.05);
}

.menu-toggle {
  display: none;
  border-radius: var(--radius);
  padding: 9px 14px;
  font-weight: 900;
}

.hero,
.section,
.page,
.league-shell {
  width: min(1180px, calc(100% - 32px));
  margin-inline: auto;
}

[data-home-kicker],
[data-home-title],
[data-home-body],
[data-home-primary],
.hero-media figcaption {
  transition: opacity 180ms ease;
}

.hero,
.page-hero.compact,
.quick-paths a,
.admin-panel-section,
.student-assignment-card {
  animation: soft-enter 520ms cubic-bezier(0.16, 1, 0.3, 1) both;
}

.hero {
  min-height: min(760px, calc(100dvh - 70px));
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(340px, 0.96fr);
  align-items: center;
  gap: clamp(24px, 5vw, 72px);
  padding: clamp(36px, 5vw, 66px) 0;
}

.hero-copy h1,
.page-hero h1,
.league-hero h1,
.admin-topbar h1 {
  margin: 0;
  font-size: clamp(2.35rem, 5vw, 5.2rem);
  line-height: 1.08;
  letter-spacing: 0;
}

.hero-copy h1 {
  max-width: 15ch;
  font-size: clamp(2.65rem, 4.25vw, 4.45rem);
  line-height: 1.12;
  text-wrap: balance;
}

.hero-copy h1.hero-title-balanced {
  width: 100%;
  max-width: none;
  font-size: clamp(2.2rem, 3.45vw, 3.45rem);
  line-height: 1.18;
}

.hero-title-balanced > span {
  display: block;
  white-space: nowrap;
}

.section-kicker {
  width: fit-content;
  margin: 0 0 16px;
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-strong);
  font-weight: 900;
  border: 1px solid color-mix(in srgb, var(--accent) 18%, transparent);
  box-shadow: inset 0 1px 0 color-mix(in srgb, #fff 48%, transparent);
}

.hero-copy p:not(.section-kicker),
.page-hero p,
.league-hero p,
.section-heading p,
.admin-section-head p {
  max-width: 64ch;
  color: var(--muted);
  font-size: 1.05rem;
}

.hero-actions,
.card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.card-actions .btn {
  flex: 1 1 112px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 11px 20px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-weight: 900;
  cursor: pointer;
  transition: transform 180ms ease, background 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.btn:active,
button:active {
  transform: translateY(1px);
}

.btn.primary {
  background: linear-gradient(135deg, var(--button-primary-bg), var(--button-primary-bg-strong));
  color: var(--button-primary-ink);
  box-shadow: 0 16px 32px color-mix(in srgb, var(--accent) 24%, transparent);
}

.btn.primary:hover {
  background: var(--button-primary-bg-strong);
}

.btn.secondary {
  background: color-mix(in srgb, var(--surface) 88%, var(--surface-soft));
  border-color: var(--line);
  color: var(--ink);
}

.btn.secondary:hover {
  border-color: var(--accent);
}

.btn.ghost {
  background: transparent;
  border-color: transparent;
  color: var(--muted);
}

.btn.ghost:hover {
  background: var(--surface-soft);
  color: var(--ink);
}

.hero-media {
  margin: 0;
  position: relative;
  border: 1px solid color-mix(in srgb, var(--accent) 16%, transparent);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow);
  background: var(--surface-soft);
}

.hero-media::before {
  content: "";
  position: absolute;
  inset: 14px;
  z-index: 1;
  border: 1px solid rgba(255, 255, 255, 0.42);
  border-radius: calc(var(--radius-xl) - 12px);
  pointer-events: none;
}

.hero-media img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.hero-media figcaption {
  position: absolute;
  z-index: 2;
  inset-inline: 18px;
  bottom: 18px;
  display: grid;
  gap: 3px;
  width: min(330px, calc(100% - 36px));
  padding: 10px 13px;
  border: 1px solid rgba(255, 255, 255, 0.52);
  border-radius: 13px;
  background: color-mix(in srgb, var(--surface) 84%, transparent);
  box-shadow: 0 10px 24px rgba(20, 32, 24, 0.12);
  backdrop-filter: blur(12px);
}

.hero-media figcaption strong {
  font-size: 0.94rem;
}

.hero-media figcaption span {
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 700;
  line-height: 1.45;
}

.section {
  padding: 54px 0;
}

.page {
  padding: 48px 0 24px;
}

.content-page {
  --page-accent: var(--accent);
  --page-accent-strong: var(--accent-strong);
}

.enrichment-page {
  --page-accent: var(--league);
  --page-accent-strong: var(--league-strong);
}

.assignments-page {
  --page-accent: var(--map);
  --page-accent-strong: var(--map-strong);
}

.page-hero.compact,
.content-toolbar,
.admin-panel-section,
.admin-summary article,
.file-card,
.empty-state {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
}

.page-hero.compact {
  position: relative;
  padding: clamp(26px, 4vw, 42px);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--page-accent, var(--accent)) 14%, transparent), transparent 52%),
    var(--surface);
}

.page-hero.compact::before {
  content: "";
  position: absolute;
  width: clamp(150px, 24vw, 270px);
  aspect-ratio: 1;
  inset-inline-end: clamp(-100px, -7vw, -54px);
  inset-block-start: clamp(-125px, -8vw, -70px);
  border: 1px solid color-mix(in srgb, var(--page-accent, var(--accent)) 34%, transparent);
  border-radius: 50%;
  box-shadow:
    0 0 0 24px color-mix(in srgb, var(--page-accent, var(--accent)) 5%, transparent),
    0 0 0 58px color-mix(in srgb, var(--page-accent, var(--accent)) 4%, transparent);
  pointer-events: none;
}

.page-hero.compact > * {
  position: relative;
  z-index: 1;
}

.page-hero.compact::after {
  content: "";
  position: absolute;
  inset-block: 0;
  inset-inline-start: 0;
  width: 10px;
  background: linear-gradient(180deg, var(--page-accent, var(--accent)), var(--page-accent-strong, var(--accent-strong)));
}

.content-page .page-hero .section-kicker {
  background: color-mix(in srgb, var(--page-accent) 13%, var(--surface));
  border-color: color-mix(in srgb, var(--page-accent) 27%, var(--line));
  color: var(--page-accent-strong);
}

.page-hero.compact h1 {
  max-width: none;
  font-size: clamp(2.1rem, 4vw, 4.2rem);
}

.stage-picker,
.content-toolbar {
  margin: 22px 0;
  padding: 18px;
  box-shadow: var(--shadow-soft);
  display: grid;
  grid-template-columns: minmax(220px, 420px);
}

.content-page .content-toolbar {
  border-block-start: 3px solid color-mix(in srgb, var(--page-accent) 72%, var(--line));
}

.assignment-picker {
  grid-template-columns: repeat(2, minmax(180px, 1fr));
}

label {
  display: grid;
  gap: 8px;
  color: var(--ink);
  font-weight: 900;
}

input,
textarea,
select {
  width: 100%;
  border: 1px solid var(--line-strong);
  border-radius: 14px;
  background: var(--surface);
  color: var(--ink);
  padding: 12px 14px;
  min-height: 52px;
}

textarea {
  resize: vertical;
}

input:focus,
textarea:focus,
select:focus,
button:focus-visible,
a:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
}

select:disabled {
  cursor: not-allowed;
  opacity: 0.68;
}

.section-heading {
  margin-bottom: 24px;
}

.section-heading h2,
.section-heading.compact h2 {
  margin: 0 0 8px;
  font-size: clamp(1.7rem, 3vw, 2.55rem);
}

.section-heading.compact {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 0;
}

.section-heading.compact p {
  margin: 0;
}

.file-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 20px;
}

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

.file-card {
  position: relative;
  display: grid;
  align-content: start;
  gap: 14px;
  padding: 14px;
  overflow: hidden;
  box-shadow: 0 10px 26px rgba(33, 52, 39, 0.055);
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.file-card::before {
  content: "";
  position: absolute;
  inset-block: 0;
  inset-inline-start: 0;
  width: 4px;
  background: linear-gradient(180deg, var(--accent), var(--map));
  opacity: 0.72;
}

.file-card:hover {
  transform: translateY(-2px);
  border-color: color-mix(in srgb, var(--accent) 34%, var(--line));
  box-shadow: var(--shadow-soft);
}

.file-card h3 {
  margin: 0;
  font-size: 1.22rem;
  line-height: 1.35;
  text-wrap: balance;
}

.file-card h2 {
  text-wrap: balance;
}

.file-art {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: 16px;
  border: 1px solid color-mix(in srgb, var(--line) 72%, transparent);
  background: var(--surface-soft);
}

.file-card p {
  margin: 0;
  color: var(--muted);
}

.file-card .card-actions {
  width: 100%;
  margin-top: auto;
  padding-top: 4px;
  border-top: 1px solid color-mix(in srgb, var(--line) 72%, transparent);
}

.news-grid .file-card {
  min-height: 100%;
}

.news-grid .file-card h3 {
  min-height: 3.3em;
}

.news-grid .file-card .lesson-meta {
  min-height: 3.5em;
}

.news-grid .file-card .card-actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.news-grid .file-card .card-actions .btn {
  width: 100%;
  min-width: 0;
  padding-inline: 12px;
}

.news-grid .file-card .enrichment-button:last-child:nth-child(odd) {
  grid-column: 1 / -1;
}

.lesson-meta {
  color: var(--accent-strong);
  font-weight: 900;
}

.file-card-top {
  display: flex;
  justify-content: flex-start;
  gap: 10px;
  align-items: center;
}

.preview-open {
  overflow: hidden;
}

.preview-modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-items: center;
  padding: clamp(10px, 2vw, 24px);
}

.preview-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(7, 14, 10, 0.68);
  backdrop-filter: blur(8px);
}

.preview-dialog {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  width: min(1180px, 100%);
  height: min(820px, 94dvh);
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.preview-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 62px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--line);
}

.preview-bar h2 {
  margin: 0;
  font-size: 1rem;
  line-height: 1.4;
}

.preview-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 0 0 auto;
}

.preview-icon-button {
  display: inline-grid;
  place-items: center;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-soft);
  color: var(--ink);
  cursor: pointer;
}

.preview-icon-button:hover,
.preview-icon-button.is-active {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--accent-strong);
}

.preview-close {
  min-height: 44px;
  padding: 7px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-soft);
  color: var(--ink);
  cursor: pointer;
  font-weight: 900;
}

.preview-dialog iframe {
  width: 100%;
  height: 100%;
  border: 0;
  background: var(--surface-soft);
}

.preview-dialog:fullscreen,
.preview-dialog.preview-fullscreen-fallback {
  width: 100vw;
  height: 100dvh;
  max-width: none;
  max-height: none;
  border: 0;
  border-radius: 0;
}

.enrichment-button {
  border-color: color-mix(in srgb, var(--map) 45%, var(--line));
  background: color-mix(in srgb, var(--map) 12%, var(--surface));
  color: var(--ink);
}

.enrichment-button span {
  display: inline-grid;
  place-items: center;
  min-width: 23px;
  height: 23px;
  margin-inline-start: 5px;
  border-radius: 50%;
  background: var(--map);
  color: var(--map-badge-ink);
  font-size: .78rem;
}

.enrichment-dialog {
  position: relative;
  z-index: 1;
  width: min(760px, 100%);
  max-height: min(760px, 92dvh);
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.dialog-kicker {
  display: block;
  margin-bottom: 2px;
  color: var(--accent-strong);
  font-size: .78rem;
  font-weight: 900;
}

.enrichment-content {
  padding: 18px;
}

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

.enrichment-item {
  display: grid;
  grid-template-columns: 110px minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px 14px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-soft);
  color: var(--ink);
  text-decoration: none;
}

.enrichment-item:hover {
  border-color: var(--accent);
}

.enrichment-item p {
  grid-column: 2 / -1;
  margin: 0;
  color: var(--muted);
}

.enrichment-kind,
.enrichment-open {
  color: var(--accent-strong);
  font-size: .84rem;
  font-weight: 900;
}

.enrichment-empty {
  display: grid;
  place-items: center;
  min-height: 180px;
  padding: 24px;
  border: 1px dashed var(--line);
  border-radius: var(--radius);
  color: var(--muted);
  text-align: center;
}

.calendar-dates-panel {
  margin: 20px 0;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-soft);
}

.calendar-dates-panel summary {
  cursor: pointer;
  font-weight: 900;
}

.calendar-week-dates,
.lesson-schedule-list {
  display: grid;
  gap: 10px;
  margin-top: 16px;
}

.calendar-date-row,
.lesson-schedule-row {
  display: grid;
  grid-template-columns: minmax(130px, 1fr) minmax(150px, .8fr) minmax(150px, .8fr);
  align-items: center;
  gap: 12px;
  padding: 13px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.calendar-date-row label,
.lesson-schedule-row > div {
  display: grid;
  gap: 4px;
}

.lesson-schedule-row span {
  color: var(--muted);
  font-size: .84rem;
}

@media (max-width: 760px) {
  .calendar-date-row,
  .lesson-schedule-row {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 620px) {
  .enrichment-item {
    grid-template-columns: 1fr auto;
  }

  .enrichment-kind {
    grid-column: 1 / -1;
  }

  .enrichment-item p {
    grid-column: 1 / -1;
  }
}

.preview-dialog.preview-fullscreen-fallback {
  position: fixed;
  inset: 0;
  z-index: 3;
}

.file-type,
.file-section {
  display: inline-grid;
  place-items: center;
  min-height: 34px;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-strong);
  font-weight: 900;
}

.file-section {
  background: var(--accent-soft);
  color: var(--accent-strong);
}

.card-note {
  font-size: .9rem;
}

.empty-state {
  position: relative;
  padding: 26px;
  border-style: dashed;
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--accent-soft) 60%, transparent), transparent),
    var(--surface);
}

.empty-state h3,
.empty-state h2 {
  margin: 0 0 8px;
}

.empty-state p {
  margin: 0;
  color: var(--muted);
}

.loading-state {
  display: grid;
  min-height: 190px;
  place-items: center;
  align-content: center;
  text-align: center;
}

.loading-mark {
  width: 42px;
  aspect-ratio: 1;
  margin-bottom: 4px;
  border: 3px solid color-mix(in srgb, var(--accent) 20%, var(--line));
  border-block-start-color: var(--accent);
  border-radius: 50%;
  animation: loading-spin 900ms linear infinite;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  width: min(1180px, calc(100% - 32px));
  margin: 48px auto 0;
  padding: 28px 0 40px;
  border-top: 1px solid var(--line);
  color: var(--muted);
}

.footer-identity {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 18px;
}

.footer-identity p {
  margin: 0;
}

.footer-email {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--muted);
  background: transparent;
  transition: color 160ms ease, background 160ms ease, border-color 160ms ease;
}

.footer-email:hover {
  color: var(--accent-strong);
  border-color: color-mix(in srgb, var(--accent) 30%, var(--line));
  background: var(--accent-soft);
}

.footer-email svg {
  flex: 0 0 auto;
}

.quick-paths {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0;
  padding-block: 32px 48px;
  border-bottom: 1px solid var(--line);
}

.quick-paths a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 96px;
  padding: 20px 24px;
  border: 0;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  transition: background 180ms ease, color 180ms ease;
}

.quick-paths a:nth-child(odd) {
  border-inline-end: 1px solid var(--line);
}

.quick-paths a:hover {
  transform: none;
  background: var(--surface-soft);
}

.quick-path-copy {
  display: grid;
  gap: 4px;
}

.quick-paths strong {
  font-size: 1.18rem;
}

.quick-paths small {
  color: var(--muted);
  font-weight: 700;
}

.quick-path-arrow {
  display: grid;
  flex: 0 0 38px;
  place-items: center;
  width: 38px;
  height: 38px;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--accent-strong);
  font-weight: 900;
  transition: transform 180ms ease, background 180ms ease;
}

.quick-paths a:hover .quick-path-arrow {
  transform: translateX(-4px);
  background: var(--surface);
}

.news-section {
  scroll-margin-top: 96px;
}

.site-footer a {
  color: var(--accent-strong);
  font-weight: 900;
}

.league-body {
  background:
    radial-gradient(circle at 12% 10%, color-mix(in srgb, var(--league) 24%, transparent), transparent 26rem),
    linear-gradient(315deg, color-mix(in srgb, var(--accent) 13%, transparent), transparent 42%),
    var(--bg);
}

.league-shell {
  padding: 30px 0 60px;
}

.league-hero {
  display: grid;
  grid-template-columns: 1fr minmax(260px, 420px);
  gap: 20px;
  align-items: stretch;
  margin-bottom: 18px;
}

.league-hero > div:first-child,
.league-result {
  border: 1px solid color-mix(in srgb, var(--league) 22%, transparent);
  border-radius: var(--radius-xl);
  background: color-mix(in srgb, var(--surface) 88%, transparent);
  padding: clamp(22px, 4vw, 38px);
  box-shadow: var(--shadow);
}

.league-hero h1 {
  color: var(--league);
}

.league-result {
  display: grid;
  place-items: center;
  min-height: 190px;
  text-align: center;
  color: var(--league);
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 900;
}

.scoreboard {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.team-result-card {
  display: grid;
  gap: 8px;
  padding: 24px;
  border: 2px solid color-mix(in srgb, var(--league) 18%, transparent);
  border-radius: var(--radius-xl);
  background: var(--surface);
  box-shadow: 0 14px 36px rgba(20, 79, 112, 0.1);
}

.team-result-card h2 {
  margin: 0;
  font-size: clamp(1.4rem, 2vw, 2rem);
}

.team-result-card strong {
  color: var(--league);
  font-size: clamp(3rem, 6vw, 5rem);
  line-height: 1;
}

.team-result-card span {
  color: var(--muted);
  font-weight: 900;
}

.admin-body {
  background: var(--bg);
}

.admin-page {
  min-height: 100dvh;
}

.admin-login {
  min-height: 100dvh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.admin-login-card {
  display: grid;
  gap: 16px;
  width: min(520px, 100%);
  padding: clamp(24px, 5vw, 42px);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--accent-soft) 68%, transparent), transparent 48%),
    var(--surface);
  box-shadow: var(--shadow);
}

.admin-login-card h1 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3rem);
}

.admin-login-card p {
  margin: 0;
  color: var(--muted);
}

.google-login-button {
  min-height: 44px;
  display: grid;
  align-items: center;
}

.google-admin-btn {
  width: 100%;
  min-height: 48px;
}

.admin-dashboard {
  min-width: 0;
  min-height: 100dvh;
  display: grid;
  grid-template-columns: 292px minmax(0, 1fr);
}

.admin-sidebar {
  min-width: 0;
  position: sticky;
  top: 0;
  height: 100dvh;
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding: 24px;
  border-inline-start: 1px solid var(--line);
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--accent-soft) 55%, transparent), transparent 17rem),
    var(--surface);
  overflow-y: auto;
}

.admin-tabs {
  display: grid;
  gap: 8px;
}

.admin-tab-group-label {
  margin-block: 10px 2px;
  padding-inline: 14px;
  color: var(--muted);
  font-size: .76rem;
  font-weight: 900;
}

.admin-tab-group-label:first-child {
  margin-block-start: 0;
}

.admin-tabs button {
  min-height: 46px;
  border: 1px solid transparent;
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  text-align: start;
  font-weight: 900;
  cursor: pointer;
}

.admin-tabs button:hover,
.admin-tabs button.active {
  background: var(--accent-soft);
  color: var(--accent-strong);
}

.admin-tabs button[aria-selected="true"] {
  border-color: color-mix(in srgb, var(--accent) 28%, var(--line));
  box-shadow: inset -4px 0 var(--accent);
}

.admin-sidebar-actions {
  display: grid;
  gap: 8px;
  margin-top: auto;
}

.admin-workspace {
  min-width: 0;
  display: grid;
  gap: 18px;
  align-content: start;
  padding: clamp(18px, 4vw, 34px);
}

.admin-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.admin-topbar h1 {
  font-size: clamp(2rem, 4vw, 4rem);
}

.admin-summary {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.admin-summary article {
  padding: 22px;
  box-shadow: var(--shadow-soft);
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--surface-soft) 68%, transparent), transparent 60%),
    var(--surface);
}

.admin-summary strong {
  display: block;
  color: var(--accent-strong);
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1;
}

.admin-summary span {
  color: var(--muted);
  font-weight: 900;
}

.admin-settings-form {
  display: grid;
  gap: 18px;
}

.admin-panel-section {
  display: grid;
  gap: 18px;
  padding: clamp(20px, 4vw, 32px);
  box-shadow: var(--shadow-soft);
}

.admin-section-head h2 {
  margin: 0 0 8px;
  font-size: clamp(1.6rem, 3vw, 2.4rem);
}

.admin-section-head p {
  margin: 0;
}

.admin-form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.admin-form-grid .wide {
  grid-column: 1 / -1;
}

.toggle-list,
.visibility-list {
  display: grid;
  gap: 10px;
}

.admin-subsection {
  display: grid;
  gap: 10px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--surface-soft);
}

.admin-subsection h3,
.admin-subsection p {
  margin: 0;
}

.admin-subsection p {
  color: var(--muted);
}

.toggle-row,
.mini-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 54px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--surface-soft);
}

.toggle-row input,
.mini-toggle input {
  width: 24px;
  height: 24px;
  accent-color: var(--accent);
}

.visibility-row {
  display: grid;
  gap: 12px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface-soft);
}

.visibility-row h3 {
  margin: 0;
}

.visibility-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
}

.mini-toggle {
  justify-content: flex-start;
  background: var(--surface);
}

.class-manager,
.assignment-admin-list,
.submission-admin-list,
.student-assignments {
  display: grid;
  gap: 16px;
}

.class-manager-card,
.admin-assignment-card,
.submission-card,
.student-assignment-card {
  display: grid;
  gap: 16px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow-soft);
}

.class-manager-card {
  grid-template-columns: minmax(150px, 0.7fr) minmax(220px, 1.4fr) auto;
  align-items: start;
}

.class-manager-card h3,
.admin-assignment-card h3,
.submission-card h3,
.student-assignment-card h2 {
  margin: 0;
}

.class-manager-card p,
.admin-assignment-card p,
.submission-card p,
.student-assignment-card p {
  margin: 6px 0 0;
  color: var(--muted);
}

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

.class-input-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
  align-items: center;
}

.icon-btn {
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface-soft);
  color: var(--danger);
  font-weight: 900;
  cursor: pointer;
}

.admin-body input[type="url"],
.admin-body [data-direction-ltr] {
  direction: ltr;
  text-align: left;
  unicode-bidi: plaintext;
}

.inline-toggle {
  align-self: end;
  min-height: 48px;
}

.admin-actions-row,
.admin-card-actions,
.grade-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.admin-assignment-card {
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
}

.admin-assignment-card span,
.submission-meta span,
.assignment-card-head span {
  display: inline-flex;
  width: fit-content;
  padding: 6px 10px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-strong);
  font-size: 0.82rem;
  font-weight: 900;
}

.submission-card {
  grid-template-columns: minmax(170px, 0.7fr) minmax(0, 1.2fr) auto;
  align-items: start;
}

.submission-answer {
  padding: 14px;
  border-radius: 14px;
  background: var(--surface-soft);
  color: var(--ink) !important;
  white-space: pre-wrap;
}

.assignment-picker {
  grid-template-columns: repeat(2, minmax(180px, 1fr));
}

.student-assignment-card {
  max-width: 900px;
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--accent-soft) 54%, transparent), transparent 52%),
    var(--surface);
  padding: 0;
  overflow: hidden;
}

.student-assignment-card form {
  display: grid;
  gap: 14px;
}

.assignment-card-head {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 22px 0;
}

.assignment-card-head > strong {
  display: grid;
  place-items: center;
  min-width: 46px;
  height: 46px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-strong);
  font-size: 1.2rem;
}

.assignment-prompt {
  display: grid;
  gap: 8px;
  margin: 16px 22px 0;
  padding: 18px;
  border: 1px solid color-mix(in srgb, var(--accent) 14%, var(--line));
  border-radius: 16px;
  background: color-mix(in srgb, var(--surface) 82%, var(--surface-soft));
}

.assignment-prompt h3,
.answer-form-head h3 {
  margin: 0;
}

.assignment-prompt p {
  margin: 0;
  color: var(--ink);
}

.student-assignment-actions {
  display: flex;
  justify-content: flex-start;
  padding: 18px 22px 22px;
}

.student-assignment-actions .btn {
  min-width: 170px;
}

.assignment-answer-form {
  margin: 0;
  padding: 20px 22px 22px;
  border-top: 1px solid var(--line);
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--accent-soft) 56%, transparent), transparent),
    var(--surface);
}

.answer-form-head,
.answer-form-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.answer-form-grid {
  display: grid;
  grid-template-columns: minmax(190px, 260px) minmax(0, 1fr);
  gap: 14px;
  align-items: start;
}

.answer-form-grid .wide {
  grid-column: auto;
}

.answer-open {
  border-color: color-mix(in srgb, var(--accent) 34%, var(--line));
}

.student-assignment-card textarea,
.admin-settings-form textarea {
  resize: vertical;
}

.admin-save-bar {
  position: sticky;
  bottom: 16px;
  z-index: 5;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: color-mix(in srgb, var(--surface) 92%, transparent);
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
}

.form-message {
  min-height: 46px;
  display: grid;
  align-items: center;
  margin: 0;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-soft);
  color: var(--ink);
  font-weight: 800;
}

.form-message:empty {
  display: none;
}

.form-message.success {
  background: var(--accent-soft);
  color: var(--accent-strong);
}

.form-message.info {
  background: #edf5f8;
  color: #17384c;
}

.form-message.error {
  background: #f9e3e1;
  color: #7f2824;
  border-color: #edb8b4;
}

.submission-dashboard {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.submission-dashboard article {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--accent-soft) 58%, transparent), transparent),
    var(--surface);
  box-shadow: var(--shadow-soft);
}

.submission-dashboard strong {
  display: block;
  color: var(--accent-strong);
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  line-height: 1;
}

.submission-dashboard span {
  color: var(--muted);
  font-weight: 900;
}

.submission-toolbar {
  display: grid;
  grid-template-columns: minmax(240px, 1fr) minmax(180px, 280px);
  gap: 12px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface-soft);
}

.submission-results {
  display: grid;
  gap: 14px;
}

.submission-card {
  position: relative;
  overflow: hidden;
}

.submission-card::before {
  content: "";
  position: absolute;
  inset-block: 0;
  inset-inline-start: 0;
  width: 6px;
  background: var(--warning);
}

.submission-card.status-correct::before {
  background: var(--accent);
}

.submission-card.status-incorrect::before {
  background: var(--danger);
}

.submission-answer-wrap {
  display: grid;
  gap: 8px;
}

.submission-answer-wrap strong {
  color: var(--accent-strong);
}

.grade-panel {
  display: grid;
  justify-items: start;
  gap: 12px;
}

.status-pill {
  display: inline-flex;
  min-height: 34px;
  align-items: center;
  padding: 5px 12px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--warning) 18%, var(--surface));
  color: #6b4216;
  font-weight: 900;
}

.status-pill.correct {
  background: var(--accent-soft);
  color: var(--accent-strong);
}

.status-pill.incorrect {
  background: #f9e3e1;
  color: #7f2824;
}

:root[data-theme="dark"] input,
:root[data-theme="dark"] textarea,
:root[data-theme="dark"] select {
  border-color: var(--line-strong);
  background: #121812;
}

:root[data-theme="dark"] .form-message.info {
  background: #182d38;
  color: #d8f1fb;
}

:root[data-theme="dark"] .form-message.error {
  background: #3d211f;
  color: #ffd5d2;
  border-color: #71423e;
}

/* HTML lesson library */
.lesson-picker {
  grid-template-columns: repeat(2, minmax(220px, 1fr));
}

.lesson-catalog,
.general-enrichment-grid {
  margin-top: 24px;
}

.lesson-html-grid {
  margin-top: 0;
}

.html-lesson-card h2 {
  min-height: 3.2em;
  margin: 0;
  font-size: 1.22rem;
  line-height: 1.6;
}

.lesson-state {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 4px 9px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  background: var(--surface-soft);
  font-size: .78rem;
  font-weight: 900;
}

.lesson-state.published {
  border-color: color-mix(in srgb, var(--accent) 32%, var(--line));
  color: var(--accent-strong);
  background: var(--accent-soft);
}

.lesson-state.scheduled {
  border-color: color-mix(in srgb, var(--map) 38%, var(--line));
  color: var(--map-strong);
  background: color-mix(in srgb, var(--map) 12%, var(--surface));
}

.lesson-state.hidden {
  border-color: color-mix(in srgb, var(--league) 34%, var(--line));
  color: var(--league-strong);
  background: color-mix(in srgb, var(--league) 10%, var(--surface));
}

.lesson-library-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 20px;
}

.lesson-library-stats > div {
  display: grid;
  gap: 3px;
  padding: 14px 16px;
  border-inline-start: 3px solid var(--accent);
  background: var(--surface-soft);
}

.lesson-library-stats strong {
  font-size: 1.45rem;
}

.lesson-library-stats span {
  color: var(--muted);
  font-size: .86rem;
  font-weight: 800;
}

.lesson-editor {
  padding-block: 20px;
  border-block: 1px solid var(--line);
}

.lesson-targeting-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 18px;
}

.lesson-targeting-grid fieldset {
  min-width: 0;
  margin: 0;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.lesson-targeting-grid legend {
  padding-inline: 8px;
  color: var(--ink);
  font-weight: 900;
}

.target-options {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin-top: 12px;
}

.target-options label,
.target-all {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 38px;
  color: var(--muted);
  font-weight: 800;
}

.target-options input,
.target-all input {
  width: 18px;
  height: 18px;
}

.target-empty {
  grid-column: 1 / -1;
  color: var(--muted);
}

.embedded-editor-section {
  margin-top: 18px;
  padding-block: 18px;
  border-top: 1px solid var(--line);
}

.embedded-editor-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.embedded-editor-head h3,
.embedded-editor-head p {
  margin: 0;
}

.embedded-editor-head p {
  color: var(--muted);
}

.embedded-items {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}

.embedded-item {
  display: grid;
  grid-template-columns: 140px minmax(180px, .8fr) minmax(260px, 1.2fr) 44px;
  align-items: end;
  gap: 10px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface-soft);
}

.embedded-item .wide {
  grid-column: auto;
}

.icon-action {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--surface);
  color: var(--muted);
  cursor: pointer;
}

.icon-action.danger:hover {
  border-color: var(--league);
  color: var(--league-strong);
}

.library-toolbar {
  display: grid;
  grid-template-columns: 180px minmax(240px, 1fr) 220px;
  gap: 12px;
  margin-block: 22px 14px;
}

.lesson-admin-list,
.general-enrichment-admin-list {
  display: grid;
  gap: 12px;
}

.lesson-admin-card {
  display: grid;
  grid-template-columns: 160px minmax(240px, 1fr) minmax(180px, .55fr);
  gap: 16px;
  align-items: center;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.lesson-admin-card > img,
.lesson-admin-placeholder {
  width: 160px;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-sm);
  object-fit: cover;
  background: var(--surface-soft);
}

.lesson-admin-placeholder {
  display: grid;
  place-items: center;
  color: var(--muted);
  font-weight: 900;
}

.lesson-admin-copy h3,
.lesson-admin-copy p {
  margin: 0;
}

.lesson-admin-copy {
  display: grid;
  gap: 7px;
}

.lesson-admin-copy p,
.schedule-note {
  color: var(--muted);
}

.lesson-admin-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: .84rem;
  font-weight: 800;
}

.lesson-admin-actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.lesson-admin-actions .btn {
  min-height: 42px;
  padding: 8px 10px;
}

.schedule-inline {
  grid-column: 2 / -1;
  display: grid;
  grid-template-columns: minmax(210px, 1fr) minmax(170px, .7fr) auto;
  align-items: end;
  gap: 10px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}

.general-enrichment-admin-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.general-enrichment-admin-card h3,
.general-enrichment-admin-card p {
  margin: 5px 0 0;
}

.general-enrichment-admin-card p {
  color: var(--muted);
}

.general-enrichment-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.enrichment-media-card {
  display: grid;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: 0 10px 26px rgba(33, 52, 39, 0.05);
  transition: border-color 180ms ease, box-shadow 180ms ease, transform 180ms ease;
}

.enrichment-media-card:hover {
  transform: translateY(-2px);
  border-color: color-mix(in srgb, var(--page-accent, var(--accent)) 34%, var(--line));
  box-shadow: var(--shadow-soft);
}

.enrichment-media-card.link-card {
  align-content: space-between;
  min-height: 180px;
  padding: 20px;
}

.youtube-frame {
  aspect-ratio: 16 / 9;
  background: #111;
}

.youtube-frame iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

.enrichment-media-copy {
  padding: 16px;
}

.enrichment-media-card.link-card .enrichment-media-copy {
  padding: 0;
}

.enrichment-media-copy span {
  color: var(--accent-strong);
  font-size: .82rem;
  font-weight: 900;
}

.enrichment-media-copy h3 {
  margin: 5px 0 0;
}

.enrichment-media-copy p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: .92rem;
}

.lesson-viewer-page {
  width: min(1280px, calc(100% - 32px));
  margin: 0 auto;
  padding-block: 38px 64px;
}

.lesson-viewer-heading {
  max-width: 900px;
  margin-bottom: 22px;
}

.lesson-viewer-heading h1 {
  margin-block: 10px;
  font-size: clamp(2rem, 4vw, 3.5rem);
}

.lesson-viewer-heading > p:last-child,
.back-link {
  color: var(--muted);
}

.back-link {
  display: inline-flex;
  margin-bottom: 18px;
  font-weight: 900;
}

.lesson-html-shell {
  position: relative;
  min-height: 65dvh;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: var(--shadow-soft);
}

.lesson-html-frame {
  display: block;
  width: 100%;
  min-height: 78dvh;
  border: 0;
  background: #fff;
}

.lesson-loading {
  display: grid;
  place-items: center;
  align-content: center;
  gap: 12px;
  min-height: 65dvh;
  color: var(--muted);
  font-weight: 900;
}

.empty-state-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.lesson-linked-enrichment {
  margin-top: 42px;
}

@media (max-width: 1080px) {
  .hero,
  .league-hero,
  .admin-dashboard {
    grid-template-columns: 1fr;
    min-width: 0;
  }

  .admin-sidebar {
    min-width: 0;
    max-width: 100vw;
    position: static;
    height: auto;
    overflow: visible;
    border-inline-start: 0;
    border-bottom: 1px solid var(--line);
  }

  .admin-tabs {
    min-width: 0;
    max-width: 100%;
    display: flex;
    gap: 8px;
    padding: 3px 2px 8px;
    overflow-x: auto;
    overscroll-behavior-inline: contain;
    scrollbar-width: thin;
    scroll-snap-type: inline proximity;
  }

  .admin-tabs button {
    flex: 0 0 auto;
    min-width: max-content;
    padding-inline: 18px;
    white-space: nowrap;
    scroll-snap-align: start;
  }

  .admin-tab-group-label {
    display: none;
  }

  .admin-sidebar-actions {
    display: flex;
    flex-wrap: wrap;
    margin-top: 0;
  }

  .admin-sidebar-actions .btn {
    flex: 1 1 180px;
  }

  .file-grid,
  .news-grid,
  .scoreboard,
  .admin-summary,
  .submission-dashboard,
  .class-manager-card,
  .admin-assignment-card,
  .submission-card,
  .quick-paths {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .lesson-admin-card {
    grid-template-columns: 140px minmax(0, 1fr);
  }

  .lesson-admin-actions,
  .schedule-inline {
    grid-column: 1 / -1;
  }
}

@media (max-width: 760px) {
  .site-header {
    align-items: flex-start;
    min-height: 64px;
  }

  .menu-toggle {
    display: inline-flex;
  }

  .main-nav {
    display: none;
    position: absolute;
    top: 66px;
    inset-inline: 16px;
    flex-direction: column;
    align-items: stretch;
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface);
    box-shadow: var(--shadow);
  }

  .main-nav.open {
    display: flex;
  }

  .hero,
  .section,
  .page,
  .league-shell,
  .site-footer {
    width: min(100% - 24px, 1180px);
  }

  .hero {
    min-height: auto;
    padding: 30px 0;
  }

  .hero-copy h1,
  .page-hero h1,
  .league-hero h1 {
    max-width: none;
    font-size: clamp(2.1rem, 12vw, 3.3rem);
  }

  .hero-copy h1.hero-title-balanced {
    font-size: 2rem;
    line-height: 1.22;
  }

  .hero-title-balanced > span {
    white-space: normal;
  }

  .file-grid,
  .news-grid,
  .scoreboard,
  .admin-summary,
  .admin-form-grid,
  .submission-dashboard,
  .submission-toolbar,
  .answer-form-grid,
  .visibility-grid,
  .assignment-picker,
  .class-manager-card,
  .admin-assignment-card,
  .submission-card,
  .quick-paths {
    grid-template-columns: 1fr;
  }

  .quick-paths a {
    min-height: 106px;
  }

  .lesson-picker,
  .lesson-targeting-grid,
  .library-toolbar,
  .general-enrichment-grid,
  .lesson-library-stats,
  .embedded-item,
  .lesson-admin-card,
  .schedule-inline {
    grid-template-columns: 1fr;
  }

  .target-options {
    grid-template-columns: 1fr;
  }

  .embedded-item .wide,
  .lesson-admin-actions,
  .schedule-inline {
    grid-column: 1;
  }

  .lesson-admin-card > img,
  .lesson-admin-placeholder {
    width: 100%;
  }

  .general-enrichment-admin-card,
  .embedded-editor-head {
    align-items: stretch;
    flex-direction: column;
  }

  .lesson-html-frame {
    min-height: 68dvh;
  }

  .quick-paths a:nth-child(odd) {
    border-inline-end: 0;
  }

  .news-grid .file-card h3 {
    min-height: 0;
  }

  .news-grid .file-card .lesson-meta {
    min-height: 0;
  }

  .hero-media figcaption {
    position: static;
    width: auto;
    margin: 0;
    border: 0;
    border-radius: 0;
    box-shadow: none;
  }

  .hero-media::before {
    display: none;
  }

  .admin-topbar,
  .site-footer {
    flex-direction: column;
    align-items: stretch;
  }

  .section-heading.compact {
    display: grid;
    align-items: start;
  }

  .admin-workspace,
  .admin-panel-section {
    padding-inline: 14px;
  }

  .admin-save-bar {
    bottom: max(8px, env(safe-area-inset-bottom));
  }

  .admin-save-bar .btn {
    width: 100%;
  }
}

@keyframes loading-spin {
  to {
    transform: rotate(1turn);
  }
}

@keyframes soft-enter {
  from {
    opacity: 0;
    transform: translateY(14px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}
.preview-banner {
  padding: 0.7rem 1rem;
  border-bottom: 1px solid color-mix(in srgb, var(--accent) 38%, transparent);
  background: color-mix(in srgb, var(--accent-soft) 88%, var(--surface));
  color: var(--ink);
  font-size: 0.9rem;
  font-weight: 800;
  text-align: center;
}