:root {
  --bg: #f2efe8;
  --panel: #fffdf7;
  --panel-strong: #f8f1de;
  --ink: #1e1d1a;
  --muted: #5c5a55;
  --border: #d8d1c0;
  --accent: #0b6b63;
  --accent-strong: #084f49;
  --accent-soft: #d8f1ee;
  --error: #8f2d2d;
  --success: #0e6b3d;
  --surface: #ffffff;
  --line-surface: rgba(255, 255, 255, 0.7);
  --tokens-surface: #fbf7eb;
  --success-bg: #eef9f1;
  --error-bg: #fff2f2;
  --hero-gradient: linear-gradient(135deg, rgba(248, 241, 222, 0.95), rgba(220, 243, 239, 0.85));
  --shadow: 0 20px 34px rgba(25, 25, 25, 0.08);
}

:root[data-theme="dark"] {
  --bg: #0f1315;
  --panel: #171d21;
  --panel-strong: #1e262b;
  --ink: #e8ecef;
  --muted: #b3bec6;
  --border: #2d3941;
  --accent: #22a9a0;
  --accent-strong: #179088;
  --accent-soft: #133836;
  --error: #ffb0b0;
  --success: #93e2b4;
  --surface: #11181c;
  --line-surface: rgba(16, 23, 27, 0.86);
  --tokens-surface: #10171b;
  --success-bg: #173021;
  --error-bg: #3a1f23;
  --hero-gradient: linear-gradient(135deg, rgba(28, 37, 44, 0.95), rgba(20, 54, 51, 0.9));
  --shadow: 0 18px 30px rgba(0, 0, 0, 0.45);
}

body.theme-dark {
  --bg: #0f1315;
  --panel: #171d21;
  --panel-strong: #1e262b;
  --ink: #e8ecef;
  --muted: #b3bec6;
  --border: #2d3941;
  --accent: #22a9a0;
  --accent-strong: #179088;
  --accent-soft: #133836;
  --error: #ffb0b0;
  --success: #93e2b4;
  --surface: #11181c;
  --line-surface: rgba(16, 23, 27, 0.86);
  --tokens-surface: #10171b;
  --success-bg: #173021;
  --error-bg: #3a1f23;
  --hero-gradient: linear-gradient(135deg, rgba(28, 37, 44, 0.95), rgba(20, 54, 51, 0.9));
  --shadow: 0 18px 30px rgba(0, 0, 0, 0.45);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(255, 229, 163, 0.7), transparent 28%),
    linear-gradient(180deg, #f7f3e9 0%, var(--bg) 100%);
}

:root[data-theme="dark"] body {
  background:
    radial-gradient(circle at top left, rgba(33, 169, 160, 0.18), transparent 28%),
    linear-gradient(180deg, #0b1012 0%, var(--bg) 100%);
}

body.theme-dark {
  background:
    radial-gradient(circle at top left, rgba(33, 169, 160, 0.18), transparent 28%),
    linear-gradient(180deg, #0b1012 0%, var(--bg) 100%);
}

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

.site-header {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  padding: 22px 24px 8px;
}

.site-header h1 {
  margin: 0;
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
  font-size: clamp(1.6rem, 2vw, 2.4rem);
}

.top-nav {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.top-nav a {
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--surface) 72%, transparent);
}

.theme-toggle {
  appearance: none;
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--surface) 72%, transparent);
  color: var(--ink);
  cursor: pointer;
  font-weight: 600;
}

.eyebrow {
  margin: 0 0 4px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.8rem;
  color: var(--muted);
}

.flash {
  margin: 0 24px 16px;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
}

.flash-success {
  background: var(--success-bg);
  color: var(--success);
}

.flash-error {
  background: var(--error-bg);
  color: var(--error);
}

.page-grid,
.detail-layout {
  display: grid;
  gap: 18px;
  padding: 0 24px 24px;
}

.page-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.detail-layout {
  grid-template-columns: minmax(0, 1.3fr) minmax(340px, 0.9fr);
}

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.hero-card {
  grid-column: span 3;
  background: var(--hero-gradient);
}

.section-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: start;
  padding: 18px 18px 10px;
}

.section-head h2,
.section-head h3 {
  margin: 0;
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
}

.status-block,
.empty-state,
.detail-block,
.current-track,
.list-stack,
.padded {
  padding: 0 18px 18px;
}

.detail-block h3 {
  font-size: 1rem;
  margin: 0 0 6px;
}

.detail-block p {
  font-size: 1.1rem;
  line-height: 1.6;
  margin: 0;
}

#jpText {
  font-size: 1.35rem;
  line-height: 1.8;
}

#hiraText,
#romajiText {
  font-size: 1.15rem;
}

.status-block {
  display: grid;
  gap: 10px;
}

.status-warn {
  color: #6b4f10;
}

.button-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.button {
  appearance: none;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--ink);
  border-radius: 999px;
  padding: 10px 16px;
  cursor: pointer;
  font-weight: 600;
}

.button-accent {
  background: var(--accent);
  color: white;
  border-color: var(--accent-strong);
}

.button-error {
  background: var(--error);
  color: white;
  border-color: var(--error);
}

.button-error:hover {
  opacity: 0.9;
}

.button-small {
  padding: 6px 12px;
  font-size: 0.875rem;
}

.button-ghost:hover,
.button:hover {
  border-color: var(--accent);
}

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

.list-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  margin: 0 18px 18px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--surface);
}

.compact-list .list-item {
  margin-bottom: 10px;
}

.static-item {
  cursor: default;
}

.list-item p,
.current-track p,
.detail-block p,
.empty-state,
.subtle-text {
  color: var(--muted);
}

.tag,
.tag-row {
  display: inline-flex;
  gap: 8px;
  flex-wrap: wrap;
}

.tag {
  align-items: center;
  padding: 6px 10px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-strong);
  font-size: 0.82rem;
  border: 1px solid rgba(11, 107, 99, 0.18);
}

.tag-translator {
  background: color-mix(in srgb, var(--panel-strong) 80%, var(--accent-soft));
  color: var(--muted);
  border-color: var(--border);
}

.lyrics-controls {
  display: flex;
  gap: 8px;
  padding: 0 18px 10px;
  align-items: center;
}

.furigana-hidden rt {
  display: none;
}

.lyrics-panel {
  max-height: calc(100vh - 220px);
  overflow: auto;
  padding: 0 12px 12px;
}

.line {
  padding: 7px 12px;
  border-radius: 10px;
  border: 1px solid transparent;
  margin: 3px 6px;
  background: var(--line-surface);
  cursor: pointer;
  line-height: 2.2em;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}

.line:hover,
.line.active {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.highlight-box textarea {
  width: 100%;
  border-radius: 12px;
  border: 1px solid var(--border);
  padding: 12px;
  resize: vertical;
  margin-bottom: 10px;
  font: inherit;
}

.link-row {
  display: inline-flex;
  margin-top: 12px;
  color: var(--accent-strong);
}

.spotify-embed {
  border: 0;
  border-radius: 12px;
  margin-bottom: 12px;
}

.progress-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 10px;
}

.seek-bar {
  flex: 1;
  accent-color: var(--accent);
  cursor: pointer;
}

.progress-label {
  font-size: 0.78rem;
  color: var(--muted);
  white-space: nowrap;
  min-width: 32px;
  text-align: center;
}

.tokens {
  margin: 0;
  white-space: pre-wrap;
  font-family: "IBM Plex Mono", Consolas, monospace;
  font-size: 1rem;
  background: var(--tokens-surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px;
}

.token-chip-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: flex-start;
}

.token-chip {
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--ink);
  border-radius: 999px;
  padding: 6px 10px;
  font-size: 0.82rem;
  cursor: pointer;
}

.token-chip:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.token-modal {
  position: fixed;
  inset: 0;
  background: rgba(10, 12, 13, 0.58);
  z-index: 12000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 16px;
}

.token-modal.open {
  display: flex;
}

.token-modal-panel {
  width: min(560px, 100%);
  max-height: 85vh;
  overflow: auto;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--panel);
  box-shadow: var(--shadow);
  padding: 16px;
}

.token-modal-title {
  margin: 0 0 10px;
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
}

.token-modal-body {
  margin: 0;
  white-space: pre-wrap;
  font-family: "IBM Plex Mono", Consolas, monospace;
  font-size: 0.88rem;
  color: var(--muted);
}

/* Lyric tokens - clickable words in lyrics */
.lyric-token {
  cursor: pointer;
  padding: 2px 4px;
  border-radius: 3px;
  transition: background-color 0.2s ease;
  display: inline-block;
  margin: 0 2px;
}

.lyric-token:hover {
  background-color: var(--accent-soft);
  color: var(--accent-strong);
}

/* Furigana above kanji tokens */
.lyrics-panel ruby {
  ruby-align: center;
}

.lyrics-panel rt {
  font-size: 0.63em;
  color: var(--muted);
  font-weight: normal;
  font-style: normal;
  letter-spacing: 0;
}

/* Word translation tooltip */
.word-tooltip {
  position: fixed;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  z-index: 10000;
  max-width: 300px;
  font-size: 0.9rem;
  display: block;
}

.word-tooltip.hidden {
  display: none;
}

.tooltip-content {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.tooltip-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
  border-bottom: 1px solid var(--border);
  padding-bottom: 6px;
}

.tooltip-word {
  color: var(--accent);
  font-size: 1.05em;
}

.tooltip-close {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1.2em;
  padding: 0;
  color: var(--muted);
}

.tooltip-close:hover {
  color: var(--ink);
}

.tooltip-translation,
.tooltip-pos,
.tooltip-tense,
.tooltip-loading {
  line-height: 1.4;
}

.tooltip-translation {
  color: var(--ink);
}

.tooltip-pos {
  color: var(--muted);
  font-size: 0.85em;
}

.tooltip-tense {
  color: var(--accent-strong);
  font-size: 0.85em;
}

.tooltip-loading {
  text-align: center;
  color: var(--muted);
  font-style: italic;
}

@media (max-width: 1060px) {
  .page-grid {
    grid-template-columns: 1fr;
  }

  .hero-card {
    grid-column: span 1;
  }

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