:root {
  --bg: #f7f2e8;
  --bg-card: #fffdf8;
  --bg-header: #2c2419;
  --text: #2a2318;
  --text-muted: #6b5f4f;
  --accent: #8b5a2b;
  --accent-soft: #d4b896;
  --border: #e4d8c4;
  --shadow: 0 8px 32px rgba(44, 36, 25, 0.08);
  --col-original: #3d3428;
  --col-lipen: #5c4a32;
  --col-safronov: #4a5c3a;
  --col-dyachenko: #4a3f5c;
  --radius: 12px;
  --font-serif: "Cormorant Garamond", "Times New Roman", serif;
  --font-sans: "Source Sans 3", system-ui, sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.5;
  color: var(--text);
  background:
    radial-gradient(ellipse at top, #efe6d6 0%, transparent 55%),
    var(--bg);
  min-height: 100vh;
}

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

.page {
  max-width: 1440px;
  margin: 0 auto;
}

.header {
  background: linear-gradient(135deg, #2c2419 0%, #4a3b2a 100%);
  color: #f5ede0;
  padding: 3rem 1.5rem 2.5rem;
  text-align: center;
}

.header-inner {
  max-width: 720px;
  margin: 0 auto;
}

.eyebrow {
  margin: 0 0 0.5rem;
  font-size: 0.85rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  opacity: 0.7;
}

.site-title {
  margin: 0;
  font-family: var(--font-serif);
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 500;
  letter-spacing: 0.04em;
}

.site-subtitle {
  margin: 0.5rem 0 0;
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-style: italic;
  opacity: 0.9;
}

.site-desc {
  margin: 1rem 0 0;
  font-size: 0.95rem;
  opacity: 0.75;
}

.toolbar {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(247, 242, 232, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.toolbar-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 1.5rem;
}

.section-tabs {
  display: flex;
  gap: 0.5rem;
}

.tab {
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 0.5rem 1rem;
  border-radius: 999px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.tab:hover {
  border-color: var(--accent-soft);
}

.tab.active {
  background: var(--bg-header);
  border-color: var(--bg-header);
  color: #f5ede0;
}

.toolbar-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
}

.search-wrap input {
  width: min(240px, 70vw);
  padding: 0.5rem 0.85rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--bg-card);
  font: inherit;
}

.search-wrap input:focus {
  outline: 2px solid var(--accent-soft);
  outline-offset: 1px;
}

.translator-toggles {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.toggle {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  cursor: pointer;
  user-select: none;
}

.content {
  padding: 2rem 1.5rem 4rem;
}

.loading,
.empty {
  text-align: center;
  color: var(--text-muted);
  padding: 3rem 1rem;
}

.section-intro {
  max-width: 800px;
  margin: 0 auto 2rem;
  text-align: center;
}

.section-intro h2 {
  margin: 0 0 0.5rem;
  font-family: var(--font-serif);
  font-size: 1.75rem;
  font-weight: 500;
}

.section-intro .epigraph {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-style: italic;
  color: var(--text-muted);
}

.section-intro .note {
  margin: 0.75rem 0 0;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.stanza-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  justify-content: center;
  margin: 0 auto 2rem;
  max-width: 900px;
}

.stanza-nav a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2rem;
  height: 2rem;
  padding: 0 0.4rem;
  border-radius: 6px;
  font-size: 0.8rem;
  color: var(--text-muted);
  text-decoration: none;
  border: 1px solid transparent;
  transition: all 0.15s ease;
}

.stanza-nav a:hover,
.stanza-nav a.active {
  background: var(--bg-card);
  border-color: var(--border);
  color: var(--accent);
}

.stanza {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin-bottom: 1.5rem;
  overflow: hidden;
  scroll-margin-top: 5rem;
}

.stanza.hidden {
  display: none;
}

.stanza-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 1.25rem;
  background: linear-gradient(90deg, #f0e8da, #faf6ef);
  border-bottom: 1px solid var(--border);
}

.stanza-number {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--accent);
}

.audio-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  border: 1px solid var(--accent-soft);
  background: transparent;
  color: var(--accent);
  font-size: 0.8rem;
  font-family: inherit;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease;
}

.audio-btn:hover,
.audio-btn.is-playing {
  background: rgba(139, 90, 43, 0.1);
}

.audio-btn.is-playing {
  border-color: var(--accent);
  font-weight: 600;
}

.stanza.playing-audio {
  border-color: var(--accent-soft);
  box-shadow: 0 8px 32px rgba(139, 90, 43, 0.12);
}

.stanza.playing-audio .stanza-header {
  background: linear-gradient(90deg, #ead9c0, #faf6ef);
}

body.player-open {
  padding-bottom: 5.5rem;
}

.player-bar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 20;
  background: rgba(44, 36, 25, 0.96);
  color: #f5ede0;
  border-top: 1px solid rgba(212, 184, 150, 0.35);
  backdrop-filter: blur(12px);
}

.player-inner {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0.75rem 1.25rem;
  display: grid;
  grid-template-columns: minmax(0, 220px) 1fr auto;
  gap: 1rem;
  align-items: center;
}

.player-label {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 600;
}

.player-meta {
  margin: 0.15rem 0 0;
  font-size: 0.78rem;
  opacity: 0.75;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.audio-element {
  width: 100%;
  height: 2.4rem;
}

.player-close {
  width: 2.25rem;
  height: 2.25rem;
  border: 1px solid rgba(212, 184, 150, 0.35);
  border-radius: 999px;
  background: transparent;
  color: #f5ede0;
  cursor: pointer;
  font-size: 0.9rem;
  line-height: 1;
}

.player-close:hover {
  background: rgba(255, 255, 255, 0.08);
}

@media (max-width: 640px) {
  body.player-open {
    padding-bottom: 8.5rem;
  }

  .player-inner {
    grid-template-columns: 1fr auto;
    grid-template-areas:
      "info close"
      "audio audio";
  }

  .player-info {
    grid-area: info;
  }

  .audio-element {
    grid-area: audio;
  }

  .player-close {
    grid-area: close;
    justify-self: end;
  }
}

.stanza-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}

.col {
  padding: 1.25rem 1.1rem;
  border-right: 1px solid var(--border);
}

.col:last-child {
  border-right: none;
}

.col.hidden {
  display: none;
}

.stanza-grid:has(.col.hidden) {
  grid-template-columns: repeat(var(--visible-cols, 4), 1fr);
}

.col-label {
  margin: 0 0 0.75rem;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.col-original .col-label { color: var(--col-original); }
.col-lipen .col-label { color: var(--col-lipen); }
.col-safronov .col-label { color: var(--col-safronov); }
.col-dyachenko .col-label { color: var(--col-dyachenko); }

.col-text {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  line-height: 1.65;
}

.col-original .col-text {
  font-size: 1.08rem;
  color: var(--col-original);
}

.line {
  margin: 0 0 0.35rem;
}

.line:last-child {
  margin-bottom: 0;
}

.footer {
  text-align: center;
  padding: 2rem 1.5rem 3rem;
  color: var(--text-muted);
  font-size: 0.85rem;
  border-top: 1px solid var(--border);
}

.footer p {
  margin: 0.35rem 0;
}

.footer a {
  color: var(--accent);
}

@media (max-width: 1100px) {
  .stanza-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .col:nth-child(2) {
    border-right: none;
  }

  .col:nth-child(1),
  .col:nth-child(2) {
    border-bottom: 1px solid var(--border);
  }
}

@media (max-width: 640px) {
  .toolbar-inner {
    flex-direction: column;
    align-items: stretch;
  }

  .section-tabs,
  .translator-toggles {
    justify-content: center;
  }

  .stanza-grid {
    grid-template-columns: 1fr;
  }

  .col {
    border-right: none;
    border-bottom: 1px solid var(--border);
  }

  .col:last-child {
    border-bottom: none;
  }
}