:root {
  --ink: #1a0f00;
  --faded-ink: #4a3520;
  --paper: #f5edd6;
  --paper-dark: #e8d9b5;
  --paper-darker: #d9c89a;
  --red-ink: #c0392b;
  --blue-ink: #1a3a6b;
  --green-stamp: #1a6b3a;
  --line-color: #c8b89a;
  --margin-line: #e07070;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background: #8b7355;
  background-image:
    repeating-linear-gradient(45deg, transparent, transparent 10px, rgba(0, 0, 0, 0.03) 10px, rgba(0, 0, 0, 0.03) 11px);
  min-height: 100vh;
  font-family: 'Courier Prime', monospace;
  color: var(--ink);
  padding: 20px;
}

.book-wrapper {
  max-width: 900px;
  margin: 0 auto;
  background: var(--paper);
  box-shadow: -4px 4px 0 #6b5340, 8px 8px 20px rgba(0, 0, 0, 0.4), -8px 0 20px rgba(0, 0, 0, 0.2);
  position: relative;
  border-radius: 2px 4px 4px 2px;
}

.book-wrapper::before {
  content: '';
  position: absolute;
  left: -12px;
  top: 0;
  bottom: 0;
  width: 12px;
  background: linear-gradient(to right, #4a3520, #6b5340);
  border-radius: 2px 0 0 2px;
}

.spirals {
  position: absolute;
  left: 38px;
  top: 0;
  bottom: 0;
  width: 2px;
  pointer-events: none;
  z-index: 10;
}

.spiral-hole {
  width: 16px;
  height: 16px;
  background: #8b7355;
  border-radius: 50%;
  position: absolute;
  left: -7px;
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.5);
  border: 2px solid #6b5340;
}

.header {
  background: var(--paper);
  padding: 30px 60px 20px 80px;
  border-bottom: 3px double var(--line-color);
  position: relative;
  overflow: hidden;
}

.header::after {
  content: '';
  position: absolute;
  left: 60px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--margin-line);
  opacity: 0.6;
}

.header-stamp {
  position: absolute;
  top: 15px;
  right: 30px;
  width: 90px;
  height: 90px;
  border: 3px solid var(--red-ink);
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transform: rotate(-12deg);
  opacity: 0.7;
  color: var(--red-ink);
  font-size: 8px;
  font-weight: bold;
  text-align: center;
  letter-spacing: 1px;
  text-transform: uppercase;
  line-height: 1.4;
}

.header-stamp::before {
  content: '';
  position: absolute;
  inset: 4px;
  border: 1px solid var(--red-ink);
  border-radius: 50%;
}

.header-date {
  font-size: 11px;
  color: var(--faded-ink);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 8px;
}

h1 {
  font-family: 'Tiro Malayalam', serif;
  font-size: 2.2rem;
  color: var(--blue-ink);
  line-height: 1.2;
  margin-bottom: 4px;
}

.subtitle {
  font-family: 'Permanent Marker', cursive;
  font-size: 1.1rem;
  color: var(--red-ink);
  transform: rotate(-1deg);
  display: inline-block;
  margin-top: 4px;
}

.header-note {
  font-size: 12px;
  color: var(--faded-ink);
  font-style: italic;
  margin-top: 12px;
  max-width: 500px;
  line-height: 1.6;
}

.identity-chip {
  position: absolute;
  right: 28px;
  bottom: 16px;
  border: 1px dashed var(--line-color);
  background: rgba(255, 255, 255, 0.5);
  padding: 6px 10px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 170px;
}

.identity-name {
  color: var(--blue-ink);
  font-size: 12px;
  font-weight: bold;
}

.identity-email {
  color: var(--faded-ink);
  font-size: 10px;
}

.page-content {
  background-image: repeating-linear-gradient(transparent, transparent 31px, var(--line-color) 31px, var(--line-color) 32px);
  background-size: 100% 32px;
  padding: 16px 60px 40px 80px;
  position: relative;
  min-height: 600px;
}

.page-content::before {
  content: '';
  position: absolute;
  left: 60px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--margin-line);
  opacity: 0.5;
}

.nav-tabs {
  display: flex;
  gap: 0;
  padding: 0 60px 0 80px;
  background: var(--paper-dark);
  border-bottom: 2px solid var(--paper-darker);
}

.nav-tab {
  padding: 10px 24px;
  font-family: 'Permanent Marker', cursive;
  font-size: 0.9rem;
  cursor: pointer;
  border: none;
  background: transparent;
  color: var(--faded-ink);
  position: relative;
  transition: all 0.2s;
  letter-spacing: 0.5px;
}

.nav-tab.active {
  background: var(--paper);
  color: var(--blue-ink);
  border-top: 2px solid var(--blue-ink);
  margin-top: -2px;
}

.nav-tab:hover:not(.active) {
  color: var(--ink);
  background: var(--paper-darker);
}

.section {
  display: none;
}

.section.active {
  display: block;
}

.section-title {
  font-family: 'Permanent Marker', cursive;
  font-size: 1.3rem;
  color: var(--red-ink);
  margin: 24px 0 16px;
  padding-bottom: 4px;
  border-bottom: 2px solid var(--line-color);
}

.search-bar {
  display: flex;
  gap: 0;
  margin: 20px 0 16px;
}

.search-input {
  flex: 1;
  padding: 8px 14px;
  background: rgba(255, 255, 255, 0.5);
  border: 2px solid var(--line-color);
  border-right: none;
  font-family: 'Tiro Malayalam', serif;
  font-size: 0.95rem;
  outline: none;
  color: var(--ink);
}

.search-input:focus {
  border-color: var(--blue-ink);
}

.search-btn {
  padding: 8px 16px;
  background: var(--blue-ink);
  color: white;
  border: 2px solid var(--blue-ink);
  cursor: pointer;
  font-family: 'Courier Prime', monospace;
  font-size: 12px;
  font-weight: bold;
  letter-spacing: 1px;
}

.filter-chips {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.chip {
  padding: 4px 12px;
  border: 1px solid var(--line-color);
  font-size: 11px;
  cursor: pointer;
  font-family: 'Courier Prime', monospace;
  background: transparent;
  color: var(--faded-ink);
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: all 0.15s;
}

.chip.active,
.chip:hover {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}

.song-card,
.variation {
  background: rgba(255, 255, 255, 0.5);
  border: 1px solid var(--line-color);
  border-left: 4px solid var(--blue-ink);
  margin-bottom: 20px;
  padding: 16px 20px;
  position: relative;
  transition: all 0.2s;
  page-break-inside: avoid;
  animation: card-in 0.24s ease both;
  animation-delay: calc(var(--stagger, 0) * 30ms);
}

.song-card:hover,
.variation:hover {
  background: rgba(255, 255, 255, 0.8);
  box-shadow: 2px 2px 8px rgba(0, 0, 0, 0.1);
  transform: translateX(2px);
}

.song-card.dirty {
  border-left-color: var(--red-ink);
}

.song-meta {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 8px;
}

.song-title {
  font-family: 'Tiro Malayalam', serif;
  font-size: 1.1rem;
  font-weight: bold;
  color: var(--blue-ink);
}

.song-title a {
  color: inherit;
  text-decoration: none;
}

.song-title a:hover,
.song-title a:focus-visible {
  text-decoration: underline;
}

.song-title-en {
  font-size: 0.85rem;
  color: var(--faded-ink);
  font-style: italic;
  margin-top: 2px;
}

.song-badges {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  align-items: center;
}

.badge {
  font-size: 10px;
  padding: 2px 8px;
  border-radius: 2px;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: bold;
  border: 1px solid;
}

.badge-era {
  background: #e8f0e8;
  color: var(--green-stamp);
  border-color: var(--green-stamp);
}

.badge-state {
  background: #e8eef8;
  color: var(--blue-ink);
  border-color: var(--blue-ink);
}

.badge-dirty {
  background: #fde8e8;
  color: var(--red-ink);
  border-color: var(--red-ink);
}

.badge-classic {
  background: #f8f0d8;
  color: #8b6914;
  border-color: #8b6914;
}

.song-original {
  font-size: 11px;
  color: var(--faded-ink);
  margin-bottom: 8px;
  font-style: italic;
}

.song-original strong {
  font-style: normal;
  color: var(--faded-ink);
}

.entry-note {
  font-size: 11px;
  font-style: italic;
  color: var(--faded-ink);
  margin-bottom: 8px;
}

.song-lyrics {
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.4);
  padding: 10px 14px;
  border-left: 2px dashed var(--line-color);
  margin: 10px 0;
  font-family: 'Tiro Malayalam', serif;
  display: none;
  white-space: pre-wrap;
}

.song-lyrics.visible {
  display: block;
}

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

.btn {
  padding: 5px 14px;
  font-family: 'Courier Prime', monospace;
  font-size: 12px;
  font-weight: bold;
  cursor: pointer;
  border: 2px solid;
  background: transparent;
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: all 0.15s;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn-lyrics {
  border-color: var(--blue-ink);
  color: var(--blue-ink);
}

.btn-lyrics:hover {
  background: var(--blue-ink);
  color: white;
}

.btn-play {
  border-color: var(--green-stamp);
  color: var(--green-stamp);
}

.btn-play:hover {
  background: var(--green-stamp);
  color: white;
}

.btn-contribute {
  border-color: var(--red-ink);
  color: var(--red-ink);
}

.btn-contribute:hover {
  background: var(--red-ink);
  color: white;
}

.btn-submit {
  border-color: var(--green-stamp);
  color: var(--green-stamp);
  padding: 10px 28px;
  font-size: 14px;
}

.btn-submit:hover {
  background: var(--green-stamp);
  color: white;
}

.audio-note {
  font-size: 11px;
  color: var(--faded-ink);
  font-style: italic;
  margin-top: 4px;
}

.audio-container {
  background: var(--paper-dark);
  border: 1px dashed var(--line-color);
  padding: 8px 12px;
  margin-top: 8px;
  display: none;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.audio-container.visible {
  display: flex;
}

.audio-container audio {
  width: 100%;
  max-width: 340px;
}

.no-audio {
  font-size: 11px;
  color: var(--faded-ink);
  font-style: italic;
  padding: 6px 0;
}

.vote-widget {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  border: 1px solid var(--line-color);
  padding: 2px;
  background: rgba(255, 255, 255, 0.6);
}

.vote-widget button {
  border: 1px solid transparent;
  background: transparent;
  color: var(--faded-ink);
  min-width: 24px;
  padding: 2px 6px;
  cursor: pointer;
  font-weight: 700;
}

.vote-widget button.active {
  border-color: var(--blue-ink);
  color: var(--blue-ink);
}

.vote-widget span {
  min-width: 24px;
  text-align: center;
  font-size: 12px;
  font-weight: bold;
  color: var(--ink);
}

.flagged {
  color: var(--red-ink);
  font-size: 11px;
  font-weight: bold;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.link-btn {
  border: none;
  background: transparent;
  color: var(--blue-ink);
  text-decoration: underline;
  font-size: 11px;
  cursor: pointer;
  padding: 0;
  font-family: inherit;
}

.song-empty {
  text-align: center;
  padding: 40px;
  color: var(--faded-ink);
  font-style: italic;
  background: rgba(255, 255, 255, 0.35);
  border: 1px dashed var(--line-color);
}

.contribute-section .section-note {
  font-size: 12px;
  color: var(--faded-ink);
  font-style: italic;
  margin-bottom: 20px;
  line-height: 1.7;
  background: rgba(255, 255, 255, 0.4);
  padding: 10px 14px;
  border-left: 3px solid var(--line-color);
}

.form-row {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 12px;
  font-weight: bold;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--faded-ink);
  margin-bottom: 6px;
}

.form-label span {
  color: var(--red-ink);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 2px solid var(--line-color);
  padding: 6px 4px;
  font-family: 'Tiro Malayalam', serif;
  font-size: 1rem;
  color: var(--ink);
  outline: none;
  transition: border-color 0.2s;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-bottom-color: var(--blue-ink);
}

.form-textarea {
  min-height: 120px;
  resize: vertical;
  border: 2px solid var(--line-color);
  padding: 8px;
  background: rgba(255, 255, 255, 0.3);
  line-height: 32px;
  background-image: repeating-linear-gradient(transparent, transparent 31px, var(--line-color) 31px, var(--line-color) 32px);
}

.form-select {
  cursor: pointer;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.audio-tool {
  border: 1px dashed var(--line-color);
  padding: 14px;
  margin-bottom: 20px;
  background: rgba(255, 255, 255, 0.35);
}

.audio-tool .form-row:last-child {
  margin-bottom: 0;
}

.audio-recorder-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.audio-preview-player {
  display: none;
  margin-top: 10px;
  width: 100%;
  max-width: 420px;
}

.audio-preview-player.visible {
  display: block;
}

.audio-pitch-row .form-input[type='range'] {
  border: none;
  padding: 0;
}

.audio-pitch-value {
  margin-top: 6px;
  font-size: 12px;
  color: var(--faded-ink);
}

.audio-inline-note {
  margin-top: 8px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--faded-ink);
  font-style: italic;
}

.audio-status {
  margin-top: 6px;
  font-size: 12px;
  color: var(--blue-ink);
}

.audio-status.error {
  color: var(--red-ink);
}

.tool-block {
  border: 1px dashed var(--line-color);
  padding: 12px 14px;
  margin-top: 20px;
  background: rgba(255, 255, 255, 0.35);
}

.tool-title {
  font-family: 'Permanent Marker', cursive;
  color: var(--blue-ink);
  margin-bottom: 10px;
  font-size: 0.95rem;
}

.tool-form {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.tool-form .form-input {
  flex: 1;
  min-width: 220px;
}

.tool-result {
  margin-top: 8px;
  font-size: 11px;
  color: var(--faded-ink);
  word-break: break-word;
}

.about-copy {
  line-height: 2;
  font-size: 0.95rem;
  max-width: 620px;
}

.about-copy p {
  margin-bottom: 16px;
}

.about-note {
  background: rgba(255, 255, 255, 0.4);
  border-left: 4px solid var(--blue-ink);
  padding: 14px 18px;
  margin: 20px 0;
  font-family: 'Tiro Malayalam', serif;
}

.about-signoff {
  font-family: 'Permanent Marker', cursive;
  color: var(--red-ink);
  font-size: 1.1rem;
  transform: rotate(-1deg);
  display: inline-block;
}

.entry-thread-actions {
  margin: 16px 0;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.variation-form {
  margin: 18px 0 22px;
  border: 1px dashed var(--line-color);
  padding: 14px;
  background: rgba(255, 255, 255, 0.4);
}

.variation-form .form-row:last-child {
  margin-bottom: 0;
}

pre {
  margin: 12px 0;
  font-size: 0.93rem;
  line-height: 1.7;
  font-family: 'Tiro Malayalam', serif;
  background: rgba(255, 255, 255, 0.4);
  border-left: 2px dashed var(--line-color);
  padding: 10px 14px;
  white-space: pre-wrap;
}

.meta {
  font-size: 11px;
  color: var(--faded-ink);
  margin-bottom: 8px;
}

.deleted {
  opacity: 0.7;
}

.annotation {
  font-family: 'Permanent Marker', cursive;
  font-size: 0.85rem;
  color: var(--red-ink);
  transform: rotate(-2deg);
  display: inline-block;
  margin-left: 8px;
}

.page-footer {
  padding: 20px 60px 20px 80px;
  border-top: 2px solid var(--line-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  background: var(--paper-dark);
}

.footer-text {
  font-size: 11px;
  color: var(--faded-ink);
  font-style: italic;
}

.page-number {
  font-family: 'Permanent Marker', cursive;
  font-size: 0.9rem;
  color: var(--faded-ink);
}

.corner-fold {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 0 0 30px 30px;
  border-color: transparent transparent var(--paper-darker) transparent;
}

:focus-visible {
  outline: 2px solid var(--blue-ink);
  outline-offset: 2px;
}

@keyframes card-in {
  from {
    opacity: 0;
    transform: translateY(8px);
  }

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

@media (prefers-reduced-motion: reduce) {
  * {
    animation: none !important;
    transition: none !important;
  }
}

@media (max-width: 700px) {
  .form-grid {
    grid-template-columns: 1fr;
  }

  .page-content {
    padding: 16px 20px 40px 50px;
  }

  .header {
    padding: 20px 30px 16px 50px;
  }

  .nav-tabs {
    padding: 0 20px 0 50px;
  }

  h1 {
    font-size: 1.6rem;
  }

  .header-stamp {
    display: none;
  }

  .identity-chip {
    position: static;
    margin-top: 12px;
    min-width: 0;
    width: fit-content;
  }

  .page-footer {
    padding: 16px 20px 16px 50px;
    flex-direction: column;
    align-items: flex-start;
  }
}