/* ================================================================
   HYMNS — Apple-minimal aesthetic
   ================================================================ */

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #fbfbfd;
  --bg-elevated: #ffffff;
  --text: #1d1d1f;
  --text-secondary: #6e6e73;
  --text-tertiary: #86868b;
  --border: #d2d2d7;
  --border-light: #e8e8ed;
  --accent: #0071e3;
  --accent-hover: #0077ed;
  --surface: #f5f5f7;
  --surface-hover: #ededf0;
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 20px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.04), 0 1px 2px rgba(0,0,0,0.06);
  --shadow: 0 4px 12px rgba(0,0,0,0.06), 0 1px 3px rgba(0,0,0,0.04);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.08), 0 4px 12px rgba(0,0,0,0.04);
  --transition: 0.3s cubic-bezier(0.25, 0.1, 0.25, 1);
  --max-width: 680px;
  --max-width-wide: 1080px;
  --font: -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'SF Pro Display', 'Helvetica Neue', Helvetica, Arial, sans-serif;
}

html {
  font-family: var(--font);
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  min-height: 100vh;
  min-height: 100dvh;
}

a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
img { max-width: 100%; display: block; }

/* --- Navigation --- */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(251, 251, 253, 0.72);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 0.5px solid var(--border-light);
}

.nav-inner {
  max-width: var(--max-width-wide);
  margin: 0 auto;
  padding: 0 24px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-size: 1.0625rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 20px;
}

.nav-link {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  transition: color var(--transition);
  display: flex;
  align-items: center;
  padding: 0;
}

.nav-link:hover { color: var(--text); }

.search-trigger {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: background var(--transition);
}

.search-trigger:hover {
  background: var(--surface);
}

/* --- Search Overlay --- */
.search-overlay {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 15vh;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

.search-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.search-modal {
  width: 90%;
  max-width: 580px;
  background: var(--bg-elevated);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  transform: scale(0.96) translateY(-8px);
  transition: transform 0.25s cubic-bezier(0.25, 0.1, 0.25, 1);
}

.search-overlay.active .search-modal {
  transform: scale(1) translateY(0);
}

.search-input-wrap {
  display: flex;
  align-items: center;
  padding: 16px 20px;
  border-bottom: 0.5px solid var(--border-light);
  gap: 12px;
}

.search-icon { color: var(--text-tertiary); flex-shrink: 0; }

.search-input {
  flex: 1;
  font-size: 1.0625rem;
  font-family: var(--font);
  border: none;
  outline: none;
  background: none;
  color: var(--text);
}

.search-input::placeholder { color: var(--text-tertiary); }

.search-kbd {
  font-size: 0.6875rem;
  font-family: var(--font);
  color: var(--text-tertiary);
  background: var(--surface);
  padding: 2px 6px;
  border-radius: 4px;
  border: 0.5px solid var(--border);
}

.search-results {
  max-height: 50vh;
  overflow-y: auto;
  overscroll-behavior: contain;
}

.search-result {
  display: flex;
  flex-direction: column;
  padding: 12px 20px;
  border-bottom: 0.5px solid var(--border-light);
  transition: background 0.15s ease;
  cursor: pointer;
  text-decoration: none;
  color: inherit;
}

.search-result:hover, .search-result.highlighted {
  background: var(--surface);
}

.search-result-title {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text);
}

.search-result-meta {
  font-size: 0.8125rem;
  color: var(--text-tertiary);
  margin-top: 2px;
}

.search-empty {
  padding: 32px 20px;
  text-align: center;
  color: var(--text-tertiary);
  font-size: 0.875rem;
}

/* --- Hero --- */
.hero {
  text-align: center;
  padding: 80px 24px 48px;
}

.hero-title {
  font-size: clamp(2.5rem, 8vw, 4rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1.05;
  color: var(--text);
}

.hero-subtitle {
  font-size: clamp(1rem, 3vw, 1.25rem);
  color: var(--text-secondary);
  margin-top: 12px;
  font-weight: 400;
}

.hero-search {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 32px;
  padding: 12px 24px;
  background: var(--surface);
  border: 0.5px solid var(--border);
  border-radius: 980px;
  font-size: 0.9375rem;
  color: var(--text-tertiary);
  cursor: pointer;
  transition: all var(--transition);
  width: 100%;
  max-width: 400px;
}

.hero-search:hover {
  background: var(--surface-hover);
  border-color: var(--border);
  box-shadow: var(--shadow-sm);
}

.hero-search kbd {
  margin-left: auto;
  font-size: 0.6875rem;
  color: var(--text-tertiary);
  background: var(--bg-elevated);
  padding: 2px 7px;
  border-radius: 4px;
  border: 0.5px solid var(--border);
}

.hero-search svg { color: var(--text-tertiary); flex-shrink: 0; }

/* --- Sections --- */
.section {
  max-width: var(--max-width-wide);
  margin: 0 auto;
  padding: 0 24px 48px;
}

.section-title {
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}

.section-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 20px;
}

.section-header .section-title { margin-bottom: 0; }

.section-link {
  font-size: 0.875rem;
  color: var(--accent);
  font-weight: 400;
}

.section-link:hover { text-decoration: underline; }

/* --- Card Grid --- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 12px;
}

.browse-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 20px;
  background: var(--bg-elevated);
  border: 0.5px solid var(--border-light);
  border-radius: var(--radius);
  transition: all var(--transition);
  min-height: 88px;
}

.browse-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  border-color: var(--border);
}

.browse-card-name {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text);
}

.browse-card-count {
  font-size: 0.8125rem;
  color: var(--text-tertiary);
  margin-top: 8px;
}

.browse-card-sm { min-height: 68px; padding: 16px; }
.browse-card-sm .browse-card-name { font-size: 0.875rem; }

/* --- Shuffle CTA --- */
.shuffle-cta {
  text-align: center;
  padding: 48px 24px;
  background: var(--bg-elevated);
  border: 0.5px solid var(--border-light);
  border-radius: var(--radius-lg);
}

.shuffle-cta-title {
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.shuffle-cta-text {
  color: var(--text-secondary);
  margin: 8px 0 24px;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 0.9375rem;
  font-weight: 400;
  border-radius: 980px;
  padding: 10px 24px;
  transition: all var(--transition);
  cursor: pointer;
  border: none;
  text-decoration: none;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}

.btn-primary:hover {
  background: var(--accent-hover);
}

.btn-secondary {
  background: var(--surface);
  color: var(--text);
  border: 0.5px solid var(--border);
}

.btn-secondary:hover { background: var(--surface-hover); }

.btn-danger {
  background: #ff3b30;
  color: #fff;
}

.btn-danger:hover { background: #e0342b; }

.btn-lg { padding: 14px 32px; font-size: 1.0625rem; }
.btn-full { width: 100%; }

/* --- Song List --- */
.list-page {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px 48px;
}

.list-header {
  padding: 24px 0 32px;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.875rem;
  color: var(--accent);
  margin-bottom: 16px;
}

.back-link:hover { text-decoration: underline; }

.list-title {
  font-size: clamp(1.75rem, 5vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.list-count {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  margin-top: 4px;
}

.song-list {
  display: flex;
  flex-direction: column;
}

.song-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  border-bottom: 0.5px solid var(--border-light);
  transition: background 0.15s ease;
  gap: 12px;
}

.song-row:hover {
  background: var(--surface);
  margin: 0 -12px;
  padding: 14px 12px;
  border-radius: var(--radius-sm);
}

.song-row-info {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  flex: 1;
}

.song-row-number {
  font-size: 0.8125rem;
  color: var(--text-tertiary);
  font-variant-numeric: tabular-nums;
  min-width: 36px;
  flex-shrink: 0;
}

.song-row-title {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text);
  display: block;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.song-row-line {
  font-size: 0.8125rem;
  color: var(--text-tertiary);
  display: block;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.song-row-composer, .song-row-category {
  font-size: 0.8125rem;
  color: var(--text-tertiary);
  flex-shrink: 0;
  text-align: right;
}

/* --- Browse Sections --- */
.list-page--wide {
  max-width: var(--max-width-wide);
}

.browse-section {
  margin-bottom: 40px;
}

.browse-section-title {
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
  color: var(--text);
}

.browse-section-subtitle {
  font-size: 0.875rem;
  color: var(--text-tertiary);
  margin: -8px 0 16px;
}

.song-list-section {
  margin-bottom: 32px;
}

.song-list-section-title {
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text);
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 0.5px solid var(--border-light);
}

.song-list-section-count {
  font-weight: 400;
  color: var(--text-tertiary);
  font-size: 0.9375rem;
}

/* --- Song Page --- */
.song-page {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px 64px;
}

.song-header {
  padding: 32px 0 24px;
  position: relative;
  z-index: 10;
}

.song-title {
  font-size: clamp(1.75rem, 6vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.song-subtitle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 10px;
  gap: 12px;
  position: relative;
}

.song-subtitle-text {
  font-size: 0.875rem;
  color: var(--text-tertiary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  min-width: 0;
}

.song-cat-link { color: var(--text-tertiary); }
.song-cat-link:hover { color: var(--accent); }

.song-author-link {
  color: var(--text-tertiary);
}

.song-author-link:hover { color: var(--accent); }

.song-actions {
  display: flex;
  gap: 2px;
  flex-shrink: 0;
}

.display-popover-wrap {
  position: static;
}

.icon-btn {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  color: var(--text-secondary);
  transition: all 0.15s ease;
}

.icon-btn:hover {
  background: var(--surface);
  color: var(--text);
}

.icon-btn.copied,
.icon-btn--active {
  color: var(--accent);
}

.display-popover {
  position: absolute;
  top: calc(100% + 12px);
  right: 0;
  width: 220px;
  background: var(--bg-elevated);
  border: 0.5px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  padding: 16px;
  opacity: 0;
  transform: translateY(-4px) scale(0.97);
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
  z-index: 50;
}

.display-popover.open {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

.popover-section + .popover-section {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 0.5px solid var(--border-light);
}

.popover-label {
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 10px;
}

.size-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.size-btn {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--surface);
  border: 0.5px solid var(--border-light);
  color: var(--text-secondary);
  transition: all 0.15s ease;
  flex-shrink: 0;
}

.size-btn:hover {
  background: var(--surface-hover);
  color: var(--text);
}

.size-value {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text);
  font-variant-numeric: tabular-nums;
  min-width: 40px;
  text-align: center;
}

.theme-options {
  display: flex;
  gap: 10px;
}

.theme-swatch {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all 0.15s ease;
  position: relative;
}

.theme-swatch::after {
  content: '';
  position: absolute;
  inset: 2px;
  border-radius: 50%;
}

.theme-swatch--light { background: #d2d2d7; }
.theme-swatch--light::after { background: #ffffff; }
.theme-swatch--warm { background: #d2c9bb; }
.theme-swatch--warm::after { background: #faf6f0; }
.theme-swatch--dark { background: #48484a; }
.theme-swatch--dark::after { background: #1c1c1e; }

.theme-swatch.active {
  border-color: var(--accent);
}

.theme-swatch:hover {
  transform: scale(1.1);
}

.song-actions {
  display: flex;
  gap: 8px;
}

.action-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 6px 14px;
  border-radius: 980px;
  border: 0.5px solid var(--border);
  background: var(--bg-elevated);
  transition: all 0.15s ease;
}

.action-btn:hover, .action-btn.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

/* --- Song Lyrics --- */
.song-lyrics {
  font-size: 1.125rem;
  line-height: 1.75;
  color: var(--text);
  letter-spacing: -0.005em;
}

.song-lyrics p {
  margin-bottom: 1.25em;
}

.verse-label {
  font-weight: 600;
  font-size: 0.75em;
  color: var(--text);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  display: block;
  margin-bottom: 2px;
}

.song-lyrics p:has(.verse-label) {
  margin-top: 0;
}

.song-lyrics p + p:has(.verse-label) {
  margin-top: 0.25em;
}

.song-lyrics-khmer {
  margin-top: 32px;
  padding-top: 24px;
  border-top: 0.5px solid var(--border-light);
}

.khmer-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 16px;
}

.hidden { display: none; }

/* --- Tags --- */
.song-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 0.5px solid var(--border-light);
}

.tag {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-secondary);
  background: var(--surface);
  padding: 5px 12px;
  border-radius: 980px;
  transition: all 0.15s ease;
  text-transform: capitalize;
}

.tag:hover {
  background: var(--surface-hover);
  color: var(--text);
}

.tag-lg {
  font-size: 0.875rem;
  padding: 8px 16px;
}

.tag-count {
  color: var(--text-tertiary);
  margin-left: 4px;
}

.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* --- Shuffle Page --- */
.shuffle-page {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px 64px;
}

.shuffle-page--wide {
  max-width: var(--max-width-wide);
}

.shuffle-header {
  padding: 24px 0 24px;
}

.shuffle-title {
  font-size: clamp(1.75rem, 5vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.03em;
}

.filter-chips {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 4px;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.filter-chips::-webkit-scrollbar { display: none; }

.chip {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-secondary);
  background: var(--surface);
  padding: 8px 18px;
  border-radius: 980px;
  white-space: nowrap;
  transition: all 0.25s cubic-bezier(0.25, 0.1, 0.25, 1);
  border: 0.5px solid transparent;
  flex-shrink: 0;
}

.chip:hover { background: var(--surface-hover); }

.chip.active {
  background: var(--text);
  color: var(--bg-elevated);
}

.shuffle-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  padding: 40px 0;
  perspective: 1000px;
}

.shuffle-card-area {
  padding: 40px 0;
  display: flex;
  justify-content: center;
  perspective: 1000px;
}

.shuffle-card {
  width: 100%;
  min-height: 220px;
  background: var(--bg-elevated);
  border: 0.5px solid var(--border-light);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.4s ease, box-shadow 0.4s ease;
  cursor: grab;
  user-select: none;
}

.shuffle-card-area .shuffle-card {
  max-width: 360px;
}

.shuffle-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.shuffle-card:active { cursor: grabbing; }

.shuffle-card.animating {
  transition: transform 0.35s cubic-bezier(0.25, 0.1, 0.25, 1);
}

.shuffle-card-inner {
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 220px;
}

.shuffle-hint {
  text-align: center;
  color: var(--text-tertiary);
  font-size: 0.9375rem;
}

.shuffle-card-category {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--accent);
  background: rgba(0, 113, 227, 0.08);
  padding: 3px 10px;
  border-radius: 980px;
  align-self: flex-start;
  margin-bottom: 16px;
  text-transform: capitalize;
}

.shuffle-card-title {
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: var(--text);
  margin-bottom: 8px;
}

.shuffle-card-line {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.4;
  margin-bottom: 16px;
}

.shuffle-card-meta {
  font-size: 0.8125rem;
  color: var(--text-tertiary);
  display: flex;
  gap: 12px;
  margin-top: auto;
}

.shuffle-card-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--accent);
  margin-top: 16px;
}

.shuffle-card-link:hover { text-decoration: underline; }

.shuffle-actions {
  display: flex;
  justify-content: center;
  gap: 12px;
}

/* --- Error Pages --- */
.error-page {
  text-align: center;
  padding: 120px 24px;
}

.error-title {
  font-size: 3rem;
  font-weight: 700;
  letter-spacing: -0.04em;
  color: var(--text);
}

.error-text {
  color: var(--text-secondary);
  margin: 12px 0 32px;
}

/* --- Footer --- */
.footer {
  border-top: 0.5px solid var(--border-light);
  padding: 20px 0;
}

.footer-inner {
  max-width: var(--max-width-wide);
  margin: 0 auto;
  padding: 0 24px;
}

.footer-text {
  font-size: 0.75rem;
  color: var(--text-tertiary);
}

/* --- Toast --- */
.toast {
  position: fixed;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  display: none;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  background: var(--bg-elevated);
  color: var(--text);
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: 980px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.18);
  z-index: 300;
  pointer-events: none;
  opacity: 0;
}

.toast--show {
  display: flex;
  animation: toastIn 0.35s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.toast--hide {
  animation: toastOut 0.3s cubic-bezier(0.4, 0, 1, 1) forwards;
}

@keyframes toastIn {
  from { opacity: 0; transform: translateX(-50%) translateY(20px) scale(0.9); }
  to { opacity: 1; transform: translateX(-50%) translateY(0) scale(1); }
}

@keyframes toastOut {
  from { opacity: 1; transform: translateX(-50%) translateY(0) scale(1); }
  to { opacity: 0; transform: translateX(-50%) translateY(10px) scale(0.95); }
}

/* --- Animations --- */
.fade-in {
  opacity: 0;
  transform: translateY(12px);
  animation: fadeIn 0.6s cubic-bezier(0.25, 0.1, 0.25, 1) forwards;
}

.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }

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

/* --- Admin Styles --- */
.admin-body {
  background: #f0f0f3;
}

.admin-nav {
  background: #fff;
  border-bottom: 1px solid #e0e0e5;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 52px;
}

.admin-nav-logo {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text);
  text-decoration: none;
}

.admin-nav-links {
  display: flex;
  gap: 20px;
}

.admin-nav-link {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  text-decoration: none;
}

.admin-nav-link:hover { color: var(--text); }
.admin-nav-link.active { color: var(--accent); font-weight: 500; }

.admin-main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 32px 24px;
}

.admin-title {
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}

.admin-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 16px;
}

.admin-header .admin-title { margin-bottom: 0; }

/* Admin Login */
.admin-login {
  max-width: 360px;
  margin: 120px auto;
  padding: 40px;
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  text-align: center;
}

.admin-login-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 24px;
}

.admin-error {
  background: #fff5f5;
  color: #c53030;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  margin-bottom: 16px;
}

.admin-input {
  width: 100%;
  font-size: 0.9375rem;
  font-family: var(--font);
  padding: 10px 14px;
  border: 1px solid #d0d0d5;
  border-radius: var(--radius-sm);
  background: #fff;
  color: var(--text);
  outline: none;
  transition: border-color 0.15s ease;
}

.admin-input:focus { border-color: var(--accent); }

.admin-form { display: flex; flex-direction: column; gap: 12px; }

.admin-form-edit {
  max-width: 700px;
}

.admin-textarea {
  width: 100%;
  font-size: 0.9375rem;
  font-family: monospace;
  padding: 10px 14px;
  border: 1px solid #d0d0d5;
  border-radius: var(--radius-sm);
  background: #fff;
  color: var(--text);
  outline: none;
  resize: vertical;
  line-height: 1.5;
}

.admin-textarea:focus { border-color: var(--accent); }

.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 0.8125rem; font-weight: 500; color: var(--text-secondary); margin-bottom: 6px; }
.form-group-sm { max-width: 120px; }

.form-row { display: flex; gap: 16px; }
.form-row .form-group { flex: 1; }

.form-actions { display: flex; gap: 12px; align-items: center; margin-top: 8px; }

/* Stats Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 12px;
  margin-bottom: 32px;
}

.stat-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 20px;
  display: flex;
  flex-direction: column;
}

.stat-value {
  font-size: 1.75rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text);
}

.stat-label {
  font-size: 0.8125rem;
  color: var(--text-tertiary);
  margin-top: 4px;
}

.admin-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 16px;
}

.admin-panel {
  background: #fff;
  border-radius: var(--radius);
  padding: 20px;
}

.admin-panel-title {
  font-size: 0.9375rem;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--text);
}

/* Chart bars */
.chart-bars {
  display: flex;
  align-items: flex-end;
  gap: 4px;
  height: 140px;
  padding-bottom: 24px;
  position: relative;
}

.chart-bar-wrap {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  height: 100%;
  justify-content: flex-end;
  position: relative;
}

.chart-bar {
  width: 100%;
  max-width: 32px;
  background: var(--accent);
  border-radius: 4px 4px 0 0;
  min-height: 2px;
  transition: height 0.3s ease;
}

.chart-label {
  font-size: 0.625rem;
  color: var(--text-tertiary);
  margin-top: 6px;
  white-space: nowrap;
}

.chart-value {
  font-size: 0.625rem;
  color: var(--text-tertiary);
  position: absolute;
  top: -14px;
}

.admin-list { display: flex; flex-direction: column; }

.admin-list-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  border-bottom: 0.5px solid var(--border-light);
}

.admin-list-rank {
  font-size: 0.75rem;
  color: var(--text-tertiary);
  min-width: 20px;
  font-variant-numeric: tabular-nums;
}

.admin-list-name {
  flex: 1;
  font-size: 0.8125rem;
  color: var(--text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

a.admin-list-name:hover { color: var(--accent); }

.admin-list-count {
  font-size: 0.75rem;
  color: var(--text-tertiary);
  flex-shrink: 0;
}

.admin-empty {
  font-size: 0.8125rem;
  color: var(--text-tertiary);
  text-align: center;
  padding: 20px;
}

/* Admin Table */
.admin-search {
  display: flex;
  gap: 8px;
  margin-bottom: 20px;
}

.admin-search .admin-input { max-width: 300px; }

.admin-table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
}

.admin-table th, .admin-table td {
  padding: 10px 14px;
  text-align: left;
  font-size: 0.8125rem;
  border-bottom: 0.5px solid var(--border-light);
}

.admin-table th {
  font-weight: 500;
  color: var(--text-secondary);
  background: #fafafa;
}

.admin-table td a { color: var(--accent); }
.admin-table td a:hover { text-decoration: underline; }

.admin-action {
  font-size: 0.75rem;
  color: var(--accent);
  margin-right: 8px;
}

.admin-pagination {
  display: flex;
  gap: 4px;
  margin-top: 16px;
  justify-content: center;
}

.admin-page-link {
  font-size: 0.8125rem;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  background: #fff;
  border: 0.5px solid var(--border);
  text-decoration: none;
}

.admin-page-link.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

/* --- Responsive --- */
@media (max-width: 768px) {
  .hero { padding: 48px 20px 32px; }
  .section { padding: 0 20px 32px; }
  .list-page { padding: 0 20px 32px; }
  .song-page { padding: 0 20px 48px; }
  .shuffle-page { padding: 0 20px 48px; }
  .nav-inner { padding: 0 16px; }
  .card-grid { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); }
  .form-row { flex-direction: column; gap: 0; }
  .form-group-sm { max-width: none; }
  .admin-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .admin-nav { flex-wrap: wrap; height: auto; padding: 12px 16px; gap: 8px; }
  .admin-nav-links { gap: 12px; flex-wrap: wrap; }
  .admin-main { padding: 20px 16px; }
  .hero-search kbd { display: none; }

  .song-row-composer, .song-row-category { display: none; }
  .shuffle-cards { grid-template-columns: 1fr; gap: 12px; }
}

@media (max-width: 480px) {
  .hero-title { font-size: 2.25rem; }
  .list-title { font-size: 1.5rem; }
  .song-title { font-size: 1.5rem; }
  .card-grid { grid-template-columns: 1fr 1fr; gap: 8px; }
  .browse-card { padding: 14px; min-height: 72px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

/* --- Safe areas for notched phones --- */
@supports (padding-top: env(safe-area-inset-top)) {
  .nav { padding-top: env(safe-area-inset-top); }
  body { padding-bottom: env(safe-area-inset-bottom); }
}