/* ============================================================
   LIQUID GLASS THEME — Black / White / Glass
   ============================================================ */

:root {
  --bg-primary: #f5f5f7;
  --bg-secondary: #ffffff;
  --bg-card: rgba(255, 255, 255, 0.55);
  --bg-card-hover: rgba(255, 255, 255, 0.8);
  --bg-glass: rgba(255, 255, 255, 0.45);
  --bg-glass-strong: rgba(255, 255, 255, 0.7);
  --bg-poem-content: rgba(255, 255, 255, 0.5);

  --text-primary: #0a0a0a;
  --text-secondary: #3a3a3a;
  --text-muted: #8a8a8a;
  --text-poem: #1a1a1a;

  --accent: #0a0a0a;
  --accent-soft: #555555;
  --accent-glow: rgba(0, 0, 0, 0.06);

  --border: rgba(0, 0, 0, 0.08);
  --border-card: rgba(0, 0, 0, 0.1);

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.08);
  --shadow-glass: 0 8px 32px rgba(0, 0, 0, 0.08), inset 0 1px 0 rgba(255, 255, 255, 0.6);

  --glass-blur: 24px;
  --glass-border: 1px solid rgba(255, 255, 255, 0.4);

  --ornament-color: #999;
  --ornament-color-strong: #555;

  --radius-sm: 14px;
  --radius-md: 18px;
  --radius-lg: 24px;
  --radius-xl: 32px;

  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring: 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

[data-theme="dark"] {
  --bg-primary: #050505;
  --bg-secondary: #0a0a0a;
  --bg-card: rgba(255, 255, 255, 0.04);
  --bg-card-hover: rgba(255, 255, 255, 0.08);
  --bg-glass: rgba(255, 255, 255, 0.05);
  --bg-glass-strong: rgba(255, 255, 255, 0.08);
  --bg-poem-content: rgba(255, 255, 255, 0.03);

  --text-primary: #f0f0f0;
  --text-secondary: #b0b0b0;
  --text-muted: #666666;
  --text-poem: #e0e0e0;

  --accent: #ffffff;
  --accent-soft: #aaaaaa;
  --accent-glow: rgba(255, 255, 255, 0.04);

  --border: rgba(255, 255, 255, 0.06);
  --border-card: rgba(255, 255, 255, 0.08);

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.5);
  --shadow-glass: 0 8px 32px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.05);

  --glass-border: 1px solid rgba(255, 255, 255, 0.06);

  --ornament-color: #555;
  --ornament-color-strong: #888;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  line-height: 1.7;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  min-height: 100vh;
  overflow-x: hidden;
  transition: background-color var(--transition-smooth), color var(--transition-smooth);
}

#particle-canvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  width: 100%;
  height: 100%;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

/* ===== FLOATING CONTROLS — Liquid Glass Pills ===== */
.floating-controls {
  position: fixed;
  top: 24px;
  right: 24px;
  display: flex;
  gap: 10px;
  z-index: 1000;
}

.control-btn {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  border: var(--glass-border);
  background: var(--bg-glass);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-glass);
}

.control-btn:hover {
  transform: translateY(-2px);
  background: var(--bg-glass-strong);
  box-shadow: var(--shadow-md);
  color: var(--text-primary);
}

.control-btn:active { transform: translateY(0) scale(0.96); }

.control-btn svg {
  width: 18px;
  height: 18px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

#scroll-top-btn {
  position: fixed;
  bottom: 32px;
  right: 24px;
  z-index: 1000;
  opacity: 0;
  transform: translateY(20px);
  pointer-events: none;
  transition: all var(--transition-smooth);
}

#scroll-top-btn.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

/* ===== MUSIC POPUP ===== */
.music-popup {
  position: fixed;
  top: 76px;
  right: 24px;
  width: 280px;
  max-height: 420px;
  background: rgba(10, 10, 10, 0.45);
  backdrop-filter: blur(28px) saturate(180%);
  -webkit-backdrop-filter: blur(28px) saturate(180%);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-top: 1px solid rgba(255, 255, 255, 0.25);
  border-left: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-lg);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.6), inset 0 1px 0 rgba(255, 255, 255, 0.1);
  z-index: 999;
  overflow: hidden;
  transform: translateY(-10px) scale(0.95);
  opacity: 0;
  pointer-events: none;
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

.music-popup__header {
  padding: 14px 18px 10px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.music-popup__title {
  font-family: 'Playfair Display', serif;
  font-size: 0.95rem;
  font-weight: 600;
  color: #fff;
}

.music-popup__close {
  background: none;
  border: none;
  color: rgba(255, 255, 255, 0.5);
  cursor: pointer;
  font-size: 18px;
  padding: 4px;
  border-radius: 8px;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
}

.music-popup__close:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
}

/* Now playing bar */
.music-now-playing {
  padding: 12px 18px;
  background: rgba(255, 255, 255, 0.06);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 52px;
}

.music-now-playing__info {
  flex: 1;
  min-width: 0;
}

.music-now-playing__track {
  font-size: 0.8rem;
  font-weight: 600;
  color: #fff;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  font-style: italic;
}

.music-now-playing__album {
  font-size: 0.7rem;
  color: rgba(255, 255, 255, 0.6);
  font-family: 'Times New Roman', Times, serif;
}

.music-play-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.music-play-btn:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: scale(1.08);
}

.music-play-btn svg {
  width: 16px;
  height: 16px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* Album list & Custom Scrollbar */
.music-popup__body {
  overflow-y: auto;
  max-height: 280px;
  padding: 8px 0;
  /* Firefox */
  scrollbar-width: thin;
  scrollbar-color: rgba(255, 255, 255, 0.2) transparent;
}

.music-popup__body::-webkit-scrollbar {
  width: 5px;
}
.music-popup__body::-webkit-scrollbar-track {
  background: transparent;
}
.music-popup__body::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.2);
  border-radius: 10px;
}
.music-popup__body::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.4);
}

.music-album {
  padding: 12px 18px 8px;
  display: flex;
  gap: 12px;
  align-items: center;
}

.music-album-cover {
  width: 40px;
  height: 40px;
  border-radius: 6px;
  object-fit: cover;
  flex-shrink: 0;
  box-shadow: 0 2px 6px rgba(0,0,0,0.4);
}

.music-album-info {
  display: flex;
  flex-direction: column;
}

.music-album__name {
  font-size: 0.75rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 2px;
}

.music-album__artist {
  font-family: 'Times New Roman', Times, serif;
  font-size: 0.7rem;
  color: rgba(255,255,255,0.6);
}

.music-track {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 8px 18px;
  cursor: pointer;
  transition: background var(--transition-fast);
  border-radius: 0;
}

.music-track:hover {
  background: rgba(255, 255, 255, 0.05);
}

.music-track.active {
  background: rgba(255, 255, 255, 0.08);
}

.music-track__icon {
  width: 14px;
  font-size: 0.7rem;
  color: rgba(255,255,255,0.5);
  text-align: center;
  flex-shrink: 0;
  margin-top: 2px;
}

.music-track.active .music-track__icon {
  color: #fff;
}

.music-track__info {
  display: flex;
  flex-direction: column;
  flex: 1;
}

.music-track__title {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.7);
  font-style: italic;
}

.music-track.active .music-track__title {
  color: #fff;
  font-weight: 600;
}

.music-track__artist {
  font-family: 'Times New Roman', Times, serif;
  font-size: 0.7rem;
  color: rgba(255,255,255,0.5);
  margin-top: 2px;
}

/* Music bars animation */
.music-bars {
  display: inline-flex;
  gap: 1.5px;
  align-items: flex-end;
  height: 12px;
}

.music-bars span {
  width: 2.5px;
  background: var(--text-primary);
  border-radius: 2px;
  animation: barBounce 0.8s ease-in-out infinite;
}

.music-bars span:nth-child(1) { height: 6px; animation-delay: 0s; }
.music-bars span:nth-child(2) { height: 10px; animation-delay: 0.15s; }
.music-bars span:nth-child(3) { height: 4px; animation-delay: 0.3s; }

@keyframes barBounce {
  0%, 100% { transform: scaleY(0.4); }
  50% { transform: scaleY(1); }
}

/* ===== HEADER ===== */
.site-header {
  text-align: center;
  padding: 90px 0 60px;
  position: relative;
}

.site-header::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--text-muted), transparent);
}

.site-title {
  font-family: 'Playfair Display', serif;
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 16px;
}

.site-subtitle {
  font-family: 'Playfair Display', serif;
  font-size: clamp(1.2rem, 2.5vw, 1.6rem);
  font-style: italic;
  font-weight: 400;
  letter-spacing: 0.06em;
  background: linear-gradient(90deg, #000, #666, #bbb, #fff, #bbb, #666, #000);
  background-size: 200% 100%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: subtitleShimmer 8s ease-in-out infinite;
}

[data-theme="dark"] .site-subtitle {
  background: linear-gradient(90deg, #fff, #999, #555, #333, #555, #999, #fff);
  background-size: 200% 100%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: subtitleShimmer 8s ease-in-out infinite;
}

@keyframes subtitleShimmer {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

/* ===== SEARCH ===== */
.search-container {
  max-width: 440px;
  margin: 40px auto 0;
  position: relative;
}

.search-input {
  width: 100%;
  padding: 16px 20px 16px 48px;
  border: var(--glass-border);
  border-radius: 50px;
  background: var(--bg-glass);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  font-size: 0.95rem;
  color: var(--text-primary);
  font-family: 'Inter', sans-serif;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-glass);
}

.search-input:focus {
  outline: none;
  border-color: var(--accent-soft);
  box-shadow: var(--shadow-md), 0 0 0 4px var(--accent-glow);
  background: var(--bg-glass-strong);
}

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

.search-icon {
  position: absolute;
  left: 18px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
  display: flex;
}

.search-icon svg {
  width: 16px;
  height: 16px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* ===== POEM COUNTER ===== */
.poem-counter {
  text-align: center;
  margin: 36px 0 8px;
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

/* ===== POEMS GRID ===== */
.poems-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 28px;
  padding: 24px 0 60px;
}

.poem-card:nth-child(3n+2) { margin-top: 18px; }
.poem-card:nth-child(3n+3) { margin-top: 8px; }
.poem-card:nth-child(5n+1) { margin-top: 12px; }

/* ===== POEM CARD ===== */
.poem-card {
  position: relative;
  background: var(--bg-card);
  border: var(--glass-border);
  border-radius: var(--radius-md);
  padding: 22px 26px;
  cursor: pointer;
  transition: all var(--transition-smooth);
  overflow: hidden;
  text-decoration: none;
  display: block;
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  box-shadow: var(--shadow-glass);
}

.poem-card::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: linear-gradient(to bottom, var(--text-primary), transparent);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform var(--transition-smooth);
}

.poem-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--accent-glow), transparent);
  opacity: 0;
  transition: opacity var(--transition-smooth);
  pointer-events: none;
}

.poem-card:hover {
  transform: translateY(-6px);
  background: var(--bg-card-hover);
  box-shadow: var(--shadow-lg), var(--shadow-glass);
}

.poem-card:hover::before { transform: scaleY(1); }
.poem-card:hover::after { opacity: 1; }
.poem-card:active { transform: translateY(-2px) scale(0.99); }

.poem-card__number {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.12em;
  margin-bottom: 6px;
}

.poem-card__title {
  font-family: 'Playfair Display', serif;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.4;
  display: flex;
  align-items: center;
  gap: 8px;
  position: relative;
  z-index: 1;
}

.poem-card__star {
  color: var(--text-muted);
  font-size: 0.7rem;
  flex-shrink: 0;
  opacity: 0.5;
}

.poem-card__preview {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 10px;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  font-style: italic;
  position: relative;
  z-index: 1;
}

/* ===== POEM DETAIL ===== */
.poem-detail {
  display: none;
  animation: fadeSlideUp 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.poem-detail.active { display: block; }

@keyframes fadeSlideUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

.back-button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-glass);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  color: var(--text-primary);
  border: var(--glass-border);
  padding: 12px 24px;
  border-radius: 50px;
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 500;
  font-family: 'Inter', sans-serif;
  transition: all var(--transition-fast);
  margin-bottom: 40px;
  box-shadow: var(--shadow-glass);
}

.back-button:hover {
  background: var(--bg-glass-strong);
  transform: translateX(-4px);
}

.detail-header {
  text-align: center;
  margin-bottom: 40px;
}

.detail-title {
  font-family: 'Playfair Display', serif;
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.3;
  margin-bottom: 16px;
}

.detail-title .poem-card__star { font-size: 1rem; }

/* ===== ORNAMENTAL DIVIDERS ===== */
.ornament {
  text-align: center;
  margin: 20px auto;
  color: var(--ornament-color);
  font-size: 1.1rem;
  letter-spacing: 0.3em;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  max-width: 400px;
}

.ornament__line {
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--ornament-color), transparent);
}

.ornament--end {
  margin-top: 28px;
  margin-bottom: 12px;
}

/* ===== POEM CONTENT BOX ===== */
.poem-content-box {
  background: var(--bg-poem-content);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: var(--glass-border);
  border-radius: var(--radius-xl);
  padding: clamp(32px, 5vw, 56px);
  margin: 0 auto 0;
  max-width: 760px;
  position: relative;
  box-shadow: var(--shadow-glass);
}

.poem-full-text {
  font-family: 'Playfair Display', serif;
  font-size: clamp(1.1rem, 2vw, 1.3rem);
  line-height: 2;
  white-space: pre-line;
  color: var(--text-poem);
  text-align: center;
  font-style: italic;
}

/* ===== POEM NAVIGATION ===== */
.poem-navigation {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  max-width: 760px;
  margin: 40px auto 60px;
}

.poem-nav-btn {
  flex: 1;
  background: var(--bg-card);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: var(--glass-border);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: left;
  font-family: 'Inter', sans-serif;
  color: var(--text-primary);
  box-shadow: var(--shadow-glass);
}

.poem-nav-btn--next { text-align: right; }

.poem-nav-btn:hover {
  background: var(--bg-card-hover);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.poem-nav-btn__label {
  font-size: 0.72rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 600;
  margin-bottom: 4px;
}

.poem-nav-btn__title {
  font-family: 'Playfair Display', serif;
  font-size: 0.95rem;
  font-weight: 600;
}

/* ===== FOOTER ===== */
.site-footer {
  text-align: center;
  padding: 40px 0;
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.85rem;
  position: relative;
  z-index: 1;
}

.site-footer__quote {
  font-family: 'Playfair Display', serif;
  font-style: italic;
  font-size: 1rem;
  color: var(--text-secondary);
  margin-bottom: 12px;
}

/* ===== COOKIES BANNER ===== */
.cookies-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 10000;
  background: var(--bg-glass-strong);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  border-top: var(--glass-border);
  padding: 20px 24px;
  transform: translateY(100%);
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.cookies-banner.show { transform: translateY(0); }

.cookies-inner {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.cookies-text {
  font-size: 0.9rem;
  color: var(--text-secondary);
  flex: 1;
  min-width: 200px;
}

.cookies-actions { display: flex; gap: 10px; }

.cookies-btn {
  padding: 10px 20px;
  border-radius: 50px;
  border: var(--glass-border);
  font-size: 0.85rem;
  font-weight: 600;
  font-family: 'Inter', sans-serif;
  cursor: pointer;
  transition: all var(--transition-fast);
  backdrop-filter: blur(var(--glass-blur));
}

.cookies-btn--accept {
  background: var(--text-primary);
  color: var(--bg-primary);
  border-color: transparent;
}

.cookies-btn--reject {
  background: var(--bg-glass);
  color: var(--text-muted);
}

.cookies-btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

/* ===== MISC ===== */
.no-select {
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
  -webkit-touch-callout: none;
}

.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
}

.empty-state__icon { font-size: 3rem; margin-bottom: 16px; opacity: 0.4; }

.empty-state__text {
  font-size: 1.1rem;
  font-family: 'Playfair Display', serif;
  font-style: italic;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .site-header { padding: 60px 0 44px; }
  .floating-controls { top: 16px; right: 16px; gap: 8px; }
  .control-btn { width: 40px; height: 40px; font-size: 16px; border-radius: 12px; }
  .control-btn svg { width: 16px; height: 16px; }
  .poems-grid { grid-template-columns: 1fr; gap: 20px; }
  .poem-card:nth-child(n) { margin-top: 0; }
  .poem-content-box { border-radius: var(--radius-lg); }
  .poem-navigation { flex-direction: column; }
  .poem-nav-btn--next { text-align: left; }
  #scroll-top-btn { bottom: 20px; right: 16px; }
  .cookies-inner { flex-direction: column; text-align: center; }
  .music-popup { right: 16px; top: 64px; width: 280px; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .poem-card { padding: 18px 20px; }
  .poem-content-box { padding: 24px 20px; }
  .detail-title { font-size: 1.5rem; }
  .ornament { gap: 10px; }
  .music-popup { width: calc(100vw - 32px); right: 16px; }
}