:root {
  color-scheme: light;
  --paper: #fffaf2;
  --paper-2: #fffdf9;
  --paper-3: #f7eee2;
  --ink: #251810;
  --muted: #6d5b4f;
  --nav: #2a1508;
  --nav-2: #3a210f;
  --accent: #e45f05;
  --accent-strong: #c54800;
  --accent-soft: #fff0e4;
  --border: #e45f05;
  --border-soft: #e7cbb6;
  --success: #28734c;
  --warning: #9b5c00;
  --danger: #9b2c21;
  --shadow: 0 8px 24px rgba(67, 34, 10, 0.09);
  --radius: 14px;
  --radius-sm: 10px;
  --content-width: 1180px;
  --header-height: 0px;
}

html[data-theme='dark'] {
  color-scheme: dark;
  --paper: #16110e;
  --paper-2: #211914;
  --paper-3: #2a201a;
  --ink: #fff4e8;
  --muted: #cab7a5;
  --nav: #090605;
  --nav-2: #211209;
  --accent: #ff7a1a;
  --accent-strong: #ff9a50;
  --accent-soft: #3c2112;
  --border: #f07823;
  --border-soft: #63432f;
  --success: #72d7a5;
  --warning: #ffcb78;
  --danger: #ff9a8d;
  --shadow: 0 8px 28px rgba(0, 0, 0, 0.34);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 300px;
  background:
    radial-gradient(circle at 10% 0%, rgba(255, 177, 82, 0.08), transparent 28rem),
    var(--paper);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}
button, input, select, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
a { color: var(--accent-strong); }
img, video, iframe { max-width: 100%; }
button { cursor: pointer; }
[hidden] { display: none !important; }

.skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 1000;
  transform: translateY(-180%);
  background: var(--ink);
  color: var(--paper);
  padding: 10px 14px;
  border-radius: 8px;
}
.skip-link:focus { transform: none; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--paper-2) 94%, transparent);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-soft);
  box-shadow: 0 2px 12px rgba(50, 25, 10, 0.07);
}
.header-inner {
  max-width: var(--content-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 18px 10px;
}
.brand {
  display: flex;
  align-items: center;
  min-width: 0;
  gap: 14px;
  flex: 1;
  text-decoration: none;
  color: inherit;
}
.brand-logo {
  width: 66px;
  height: 66px;
  border-radius: 9px;
  object-fit: cover;
  box-shadow: 0 3px 10px rgba(70, 30, 5, 0.18);
  flex: 0 0 auto;
}
.brand-copy { min-width: 0; }
.brand-title {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1;
}
.brand-subtitle {
  margin: 7px 0 0;
  font-size: 0.84rem;
  color: var(--muted);
  white-space: normal;
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 7px;
  flex: 0 0 auto;
}
.icon-button, .sync-button, .outline-button, .primary-button, .text-button, .chip, .copy-button {
  border: 1px solid var(--border-soft);
  background: var(--paper-2);
  color: var(--ink);
  border-radius: 9px;
  min-height: 42px;
  padding: 9px 13px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  font-weight: 650;
  text-decoration: none;
}
.icon-button { width: 42px; padding: 0; font-size: 1.15rem; }
.icon-button:hover, .sync-button:hover, .outline-button:hover, .copy-button:hover { border-color: var(--accent); background: var(--accent-soft); }
.primary-button {
  border-color: var(--accent);
  background: linear-gradient(180deg, #ef720b, var(--accent));
  color: white;
  box-shadow: 0 4px 10px rgba(218, 83, 0, 0.2);
}
.primary-button:hover { filter: brightness(0.96); }
.primary-button:disabled, .outline-button:disabled { opacity: 0.55; cursor: not-allowed; }
.text-button { border-color: transparent; background: transparent; color: var(--accent-strong); padding-inline: 8px; }
.text-button:hover { background: var(--accent-soft); }
.small-button { min-height: 34px; padding: 6px 10px; font-size: 0.88rem; }
.danger-button { border-color: var(--danger); color: var(--danger); }

.main-nav {
  background: linear-gradient(180deg, var(--nav-2), var(--nav));
  color: #fff;
}
.nav-scroll {
  max-width: var(--content-width);
  margin: 0 auto;
  display: flex;
  overflow-x: auto;
  scrollbar-width: thin;
  scroll-snap-type: x proximity;
  padding: 0 12px;
}
.nav-tab {
  appearance: none;
  border: 0;
  border-bottom: 3px solid transparent;
  background: transparent;
  color: #fff;
  padding: 12px clamp(14px, 3.8vw, 34px) 10px;
  font-weight: 700;
  white-space: nowrap;
  scroll-snap-align: start;
}
.nav-tab:hover, .nav-tab[aria-selected='true'] {
  color: #ff963f;
  border-bottom-color: #ff6a00;
  background: rgba(255, 255, 255, 0.025);
}

.app-main {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 16px 18px 80px;
}
.preview-banner, .offline-banner, .update-banner {
  border: 1.5px solid var(--warning);
  background: color-mix(in srgb, var(--accent-soft) 75%, var(--paper-2));
  border-radius: var(--radius-sm);
  padding: 10px 13px;
  margin-bottom: 14px;
  font-size: 0.9rem;
}
.update-banner { display: flex; justify-content: space-between; align-items: center; gap: 12px; }

.page-section { display: none; }
.page-section.active { display: block; animation: reveal 160ms ease-out; }
@keyframes reveal { from { opacity: 0; transform: translateY(3px); } to { opacity: 1; transform: none; } }
.page-title-row { display: flex; justify-content: space-between; gap: 12px; align-items: center; margin: 4px 0 13px; }
.page-title { margin: 0; font-family: Georgia, serif; font-size: clamp(1.65rem, 4vw, 2.15rem); }
.page-intro { color: var(--muted); margin: -4px 0 16px; }

.panel, .content-card, .detail-block, .data-card, .install-card {
  background: var(--paper-2);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.panel { padding: 14px; margin-bottom: 14px; }
.panel-header, .card-heading-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
}
.panel-title, .card-title {
  margin: 0;
  font-size: 1.03rem;
  color: color-mix(in srgb, var(--accent-strong) 80%, var(--ink));
}
.panel-title { display: flex; gap: 8px; align-items: center; }

.search-shell { padding: 0; overflow: hidden; }
.search-toggle {
  width: 100%;
  border: 0;
  background: var(--paper-2);
  color: var(--ink);
  min-height: 52px;
  padding: 12px 15px;
  display: flex;
  align-items: center;
  gap: 11px;
  text-align: left;
}
.search-toggle .search-placeholder { flex: 1; color: var(--muted); }
.search-area { border-top: 1px solid var(--border-soft); padding: 12px; }
.search-row { display: flex; gap: 8px; }
.search-input {
  flex: 1;
  width: 100%;
  min-height: 44px;
  border: 1px solid var(--border-soft);
  border-radius: 9px;
  background: var(--paper);
  color: var(--ink);
  padding: 9px 12px;
}
.search-input:focus, select:focus, button:focus-visible, a:focus-visible, input:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--accent) 42%, transparent);
  outline-offset: 2px;
}
.filter-row { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 9px; }
.chip { min-height: 34px; padding: 6px 10px; font-size: 0.86rem; border-radius: 999px; }
.chip.active { color: white; background: var(--accent); border-color: var(--accent); }

.home-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.home-grid .full-width { grid-column: 1 / -1; }
.content-card { padding: 12px; min-width: 0; }
.content-card.compact { box-shadow: none; }
.card-body { min-width: 0; }
.card-layout { display: grid; grid-template-columns: minmax(120px, 34%) 1fr; gap: 13px; align-items: start; }
.card-thumbnail {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: 9px;
  background: var(--paper-3);
  border: 1px solid var(--border-soft);
}
.logo-placeholder {
  display: grid;
  place-items: center;
  aspect-ratio: 16/9;
  border: 1px solid var(--border-soft);
  border-radius: 9px;
  background: linear-gradient(135deg, var(--paper-3), var(--paper-2));
  color: var(--muted);
  text-align: center;
  padding: 12px;
  font-size: 0.82rem;
}
.logo-placeholder img { width: 54px; height: 54px; border-radius: 8px; opacity: 0.75; }
.item-title { margin: 0 0 5px; font-size: 1.05rem; line-height: 1.25; }
.item-meta { color: var(--muted); font-size: 0.86rem; margin: 0 0 8px; }
.item-summary { margin: 0 0 10px; font-size: 0.93rem; display: -webkit-box; -webkit-line-clamp: 4; -webkit-box-orient: vertical; overflow: hidden; }
.card-actions { display: flex; flex-wrap: wrap; gap: 7px; align-items: center; margin-top: 9px; }
.progress-track { height: 6px; border-radius: 99px; background: var(--paper-3); overflow: hidden; margin-top: 8px; }
.progress-fill { height: 100%; background: var(--accent); border-radius: inherit; }
.status-badge {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 3px 8px;
  font-size: 0.75rem;
  font-weight: 800;
  background: var(--paper-3);
  border: 1px solid var(--border-soft);
}
.status-badge.active { background: #e9f7ee; color: #17623b; border-color: #8bc9a6; }
html[data-theme='dark'] .status-badge.active { background: #173d2a; color: #9ce0b9; border-color: #3b825c; }
.status-badge.completed { background: #edf2f8; color: #36516f; border-color: #afc2d7; }
html[data-theme='dark'] .status-badge.completed { background: #263645; color: #bed7ee; border-color: #4d6b86; }
.status-badge.unconfirmed { background: #fff2d8; color: #7a4a00; border-color: #e2bb6e; }
html[data-theme='dark'] .status-badge.unconfirmed { background: #453318; color: #ffd390; border-color: #8e6b33; }

.continue-content { display: grid; grid-template-columns: 150px 1fr auto; gap: 14px; align-items: center; }
.continue-content .card-thumbnail { aspect-ratio: 16/9; }
.continue-actions { align-self: center; }
.empty-state {
  padding: 28px 16px;
  text-align: center;
  border: 1px dashed var(--border-soft);
  border-radius: var(--radius-sm);
  color: var(--muted);
  background: color-mix(in srgb, var(--paper-3) 65%, transparent);
}

.card-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 13px; }
.card-grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.card-grid.four { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.list-stack { display: grid; gap: 12px; }
.archive-heading { margin-top: 24px; }
.result-count { color: var(--muted); font-size: 0.9rem; }

.topic-list { display: flex; flex-wrap: wrap; gap: 6px; }
.topic-pill { border-radius: 999px; padding: 3px 8px; background: var(--paper-3); border: 1px solid var(--border-soft); font-size: 0.75rem; }

.detail-dialog {
  width: min(880px, calc(100vw - 24px));
  max-height: calc(100vh - 24px);
  padding: 0;
  border: 0;
  border-radius: 16px;
  background: var(--paper);
  color: var(--ink);
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.4);
}
.detail-dialog::backdrop { background: rgba(20, 10, 4, 0.72); backdrop-filter: blur(3px); }
.detail-shell { padding: 16px; overflow-y: auto; max-height: calc(100vh - 24px); }
.detail-topbar { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 10px; }
.detail-title { margin: 4px 0; font-size: clamp(1.35rem, 4vw, 2rem); }
.player-frame { position: relative; aspect-ratio: 16/9; border-radius: 12px; overflow: hidden; background: #000; border: 2px solid var(--border); }
.player-frame iframe { width: 100%; height: 100%; border: 0; }
.player-message { display: grid; place-items: center; height: 100%; color: white; padding: 20px; text-align: center; }
.detail-grid { display: grid; gap: 12px; margin-top: 12px; }
.detail-block { padding: 13px; box-shadow: none; }
.detail-block h3 { margin: 0 0 8px; }
.description-text { white-space: pre-wrap; overflow-wrap: anywhere; }
.resume-notice { display: flex; justify-content: space-between; align-items: center; gap: 10px; }
.resume-notice strong { color: var(--accent-strong); }
.player-actions { display: grid; grid-template-columns: repeat(6, 1fr); gap: 7px; }
.player-action {
  min-height: 68px;
  border: 1px solid var(--border-soft);
  border-radius: 9px;
  background: var(--paper-2);
  color: var(--ink);
  padding: 7px 5px;
  font-size: 0.76rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
}
.player-action .glyph { font-size: 1.3rem; }
.player-action:hover { border-color: var(--accent); background: var(--accent-soft); }

.community-body { white-space: pre-wrap; overflow-wrap: anywhere; }
.source-media { width: 100%; max-height: 520px; object-fit: contain; border-radius: 10px; background: #000; border: 1px solid var(--border-soft); }
.source-media + .source-media, .source-media + .logo-placeholder, .logo-placeholder + .source-media { margin-top: 10px; }
.source-audio { width: 100%; margin: 6px 0; }
.source-note { color: var(--muted); font-size: 0.86rem; }

.saved-tabs { display: flex; gap: 8px; overflow-x: auto; margin-bottom: 12px; padding-bottom: 2px; }
.saved-tab { white-space: nowrap; }
.local-data-notice { background: var(--accent-soft); }
.data-tools { display: grid; grid-template-columns: 1fr 1fr; gap: 13px; }
.data-card { padding: 14px; box-shadow: none; }
.data-card h3 { margin: 0 0 8px; }

.details-list { display: grid; gap: 8px; }
.detail-row {
  display: grid;
  grid-template-columns: minmax(130px, 180px) 1fr auto;
  gap: 10px;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid var(--border-soft);
}
.detail-row:last-child { border-bottom: 0; }
.detail-label { color: var(--muted); font-size: 0.88rem; }
.detail-value { font-weight: 700; overflow-wrap: anywhere; }
.official-links { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.official-link-card { padding: 16px; text-decoration: none; color: inherit; }
.official-link-card:hover { transform: translateY(-1px); }

.site-footer {
  background: var(--nav);
  color: #fff;
  padding: 16px 18px calc(16px + env(safe-area-inset-bottom));
}
.footer-inner { max-width: var(--content-width); margin: 0 auto; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px; align-items: center; }
.footer-links { display: flex; flex-wrap: wrap; gap: 14px; }
.footer-links a { color: white; text-decoration: none; }
.footer-links a:hover { color: #ff963f; }

.install-prompt {
  position: fixed;
  z-index: 80;
  left: 50%;
  bottom: calc(14px + env(safe-area-inset-bottom));
  transform: translateX(-50%);
  width: min(620px, calc(100vw - 24px));
}
.install-card { padding: 15px; display: grid; grid-template-columns: auto 1fr; gap: 12px; }
.install-icon { font-size: 1.9rem; }
.install-copy h2 { font-size: 1.05rem; margin: 0 0 5px; }
.install-copy p { margin: 0; color: var(--muted); font-size: 0.9rem; }
.install-actions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 10px; }

.modal-dialog {
  width: min(620px, calc(100vw - 24px));
  max-height: calc(100vh - 24px);
  border: 0;
  border-radius: 16px;
  background: var(--paper-2);
  color: var(--ink);
  padding: 0;
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.38);
}
.modal-dialog::backdrop { background: rgba(20, 10, 4, 0.7); }
.modal-content { padding: 18px; }
.modal-header { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.modal-header h2 { margin: 0; }
.modal-actions { display: flex; justify-content: flex-end; flex-wrap: wrap; gap: 8px; margin-top: 16px; }

.toast-region { position: fixed; z-index: 120; right: 14px; bottom: 14px; display: grid; gap: 8px; max-width: min(390px, calc(100vw - 28px)); }
.toast { background: var(--ink); color: var(--paper); border-radius: 10px; padding: 11px 13px; box-shadow: var(--shadow); animation: toast-in 160ms ease-out; }
.toast.error { background: var(--danger); color: white; }
.toast.success { background: var(--success); color: white; }
@keyframes toast-in { from { opacity: 0; transform: translateY(7px); } to { opacity: 1; transform: none; } }

.sr-only { position: absolute !important; width: 1px !important; height: 1px !important; padding: 0 !important; margin: -1px !important; overflow: hidden !important; clip: rect(0,0,0,0) !important; white-space: nowrap !important; border: 0 !important; }
.muted { color: var(--muted); }
.nowrap { white-space: nowrap; }

@media (max-width: 900px) {
  .card-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .card-grid.four { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .player-actions { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 720px) {
  .header-inner { padding: 9px 10px 8px; gap: 8px; }
  .brand { gap: 9px; }
  .brand-logo { width: 47px; height: 47px; border-radius: 7px; }
  .brand-title { font-size: clamp(1.25rem, 7vw, 1.7rem); }
  .brand-subtitle { display: none; }
  .header-actions { gap: 4px; }
  .icon-button { width: 38px; min-height: 38px; }
  .sync-button { min-height: 38px; padding: 7px 9px; }
  .sync-label { display: none; }
  .nav-tab { padding: 10px 16px 8px; font-size: 0.86rem; }
  .app-main { padding: 12px 10px 72px; }
  .home-grid { grid-template-columns: 1fr; gap: 11px; }
  .home-grid .full-width { grid-column: auto; }
  .panel, .content-card { border-width: 2px; }
  .continue-content { grid-template-columns: 105px 1fr; gap: 10px; }
  .continue-actions { grid-column: 2; }
  .continue-actions .primary-button { width: 100%; }
  .card-layout { grid-template-columns: 120px 1fr; gap: 10px; }
  .card-grid, .card-grid.two, .card-grid.four { grid-template-columns: 1fr; }
  .detail-shell { padding: 10px; }
  .detail-dialog { width: 100vw; max-width: 100vw; height: 100dvh; max-height: 100dvh; border-radius: 0; }
  .detail-shell { max-height: 100dvh; }
  .player-actions { grid-template-columns: repeat(3, 1fr); }
  .data-tools, .official-links { grid-template-columns: 1fr; }
  .detail-row { grid-template-columns: 1fr auto; }
  .detail-label { grid-column: 1 / -1; margin-bottom: -7px; }
  .install-card { grid-template-columns: 1fr; }
  .install-icon { display: none; }
  .site-footer { padding-inline: 10px; }
  .footer-inner { justify-content: center; text-align: center; }
  .footer-links { justify-content: center; }
}

@media (max-width: 440px) {
  .card-layout { grid-template-columns: 98px 1fr; }
  .continue-content { grid-template-columns: 88px 1fr; }
  .item-title { font-size: 0.96rem; }
  .card-actions { gap: 5px; }
  .small-button { font-size: 0.8rem; padding: 5px 8px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}