/* Lumen 2: the night-sky page around the living staff (song-visualizer-staff.js).
   Shares Lumen's structure with a warm gold accent. */
@import url('https://fonts.googleapis.com/css2?family=Instrument+Serif:ital@0;1&family=IBM+Plex+Mono:wght@500&display=swap');

body[data-song-style='lumen2'] {
  --night: #060a18;
  --night-2: #0a1128;
  --ink: #eef2ff;
  --muted: #9aa6cc;
  --faint: #626d93;
  --line: #ffffff14;
  --paper: #0d152f;
  --green: #ffd27a;
  --glow-a: #ffd27a;
  --glow-b: #b4a5ff;
  --glow-c: #ffd98a;
  --serif: 'Instrument Serif', Georgia, serif;
  --sans: Manrope, 'DM Sans', sans-serif;
  position: relative;
  isolation: isolate;
  min-height: 100vh;
  background: var(--night);
  color: var(--ink);
  font: 500 15px/1.55 var(--sans);
  color-scheme: dark;
}
/* A faint aurora over the top of the page. */
body[data-song-style='lumen2']::before {
  content: '';
  position: absolute;
  z-index: -1;
  inset: 0 0 auto;
  height: 900px;
  background:
    radial-gradient(40% 60% at 12% 0%, #ffd27a29, transparent 70%),
    radial-gradient(35% 55% at 55% -10%, #b4a5ff26, transparent 70%),
    radial-gradient(30% 50% at 95% 5%, #ffd98a14, transparent 70%);
  pointer-events: none;
}
body[data-song-style='lumen2'] ::selection {
  background: #ffd27a4d;
}
body[data-song-style='lumen2'] button:focus-visible,
body[data-song-style='lumen2'] a:focus-visible {
  outline-color: var(--glow-a);
}

/* Header */
body[data-song-style='lumen2'] .site-header {
  border-bottom: 1px solid var(--line);
  background: transparent;
}
body[data-song-style='lumen2'] .site-header .brand {
  color: var(--ink);
  font: 400 30px/1 var(--serif);
  letter-spacing: -0.01em;
}
body[data-song-style='lumen2'] .header-library {
  color: var(--muted);
  font-weight: 600;
}
body[data-song-style='lumen2'] .header-library:hover {
  color: var(--ink);
}
body[data-song-style='lumen2'] .header-search-field {
  border-color: var(--line);
  border-radius: 999px;
  background: #ffffff0a;
}
body[data-song-style='lumen2'] .header-search-field:focus-within {
  border-color: #ffd27a80;
  box-shadow: 0 0 0 4px #ffd27a1a;
}
body[data-song-style='lumen2'] .header-search-icon {
  color: var(--muted);
}
body[data-song-style='lumen2'] .header-search input::placeholder {
  color: var(--faint);
}
body[data-song-style='lumen2'] .header-search .header-search-submit {
  border-radius: 999px;
  background: #ffffff12;
  color: var(--ink);
}
body[data-song-style='lumen2'] #header-results {
  background: #111a38;
  box-shadow: 0 24px 60px #000a;
}
body[data-song-style='lumen2'] #header-results a:hover,
body[data-song-style='lumen2'] #header-results a:focus {
  background: #ffffff0f;
}

/* Breadcrumb and debug pickers */
body[data-song-style='lumen2'] main {
  padding-top: 24px;
}
body[data-song-style='lumen2'] .song-breadcrumb,
body[data-song-style='lumen2'] .song-breadcrumb a {
  color: var(--faint);
}
body[data-song-style='lumen2'] .song-breadcrumb a:hover {
  color: var(--ink);
}
body[data-song-style='lumen2'] .song-style-picker small {
  color: var(--glow-a);
}
body[data-song-style='lumen2'] select {
  border: 1px solid var(--line);
  border-radius: 10px;
  background-color: #ffffff0a;
  color: var(--ink);
}
body[data-song-style='lumen2'] select option {
  background: #111a38;
}

/* Hero: an understated film title */
body[data-song-style='lumen2'] .song-overview > .hero {
  grid-template-columns: 132px minmax(0, 1fr);
  gap: 30px;
  align-items: center;
  padding: 10px 0 6px;
  border: 0;
  background: none;
  box-shadow: none;
}
body[data-song-style='lumen2'] .hero .artwork-cover {
  position: relative;
  width: 132px;
  height: 132px;
  overflow: visible;
  border: 0;
  border-radius: 50%;
  background: #111a38;
  box-shadow: 0 0 0 1px #ffffff1f, 0 20px 40px -16px #000;
}
body[data-song-style='lumen2'] .hero .artwork-cover img {
  z-index: 1;
  border-radius: 50%;
}
body[data-song-style='lumen2'] .hero .artwork-cover > span {
  z-index: 1;
  color: var(--glow-a);
  font: italic 400 56px var(--serif);
}
/* The artwork as a moon, with its own halo. */
body[data-song-style='lumen2'] .hero .artwork-cover::after {
  content: '';
  position: absolute;
  z-index: 0;
  inset: -22%;
  border-radius: 50%;
  background: var(--song-art, radial-gradient(#ffd27a, transparent)) center / cover;
  filter: blur(28px) saturate(1.6);
  opacity: 0.55;
  animation: lumen-breathe 6s ease-in-out infinite;
}
@keyframes lumen-breathe {
  50% { opacity: 0.8; transform: scale(1.08); }
}
body[data-song-style='lumen2'] .hero .identity h1 {
  margin: 0;
  background: linear-gradient(100deg, #ffffff 30%, #cfe9ff 55%, #e2d8ff 75%, #ffe8bd);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font: 400 clamp(52px, 6.4vw, 92px) / 0.95 var(--serif);
  letter-spacing: -0.02em;
  overflow-wrap: anywhere;
  text-wrap: balance;
}
body[data-song-style='lumen2'] .identity #artist {
  margin: 6px 0 16px;
  color: var(--muted);
  font: italic 400 24px/1.2 var(--serif);
}
body[data-song-style='lumen2'] #artist a {
  color: inherit;
  text-decoration: none;
}
body[data-song-style='lumen2'] #artist a:hover {
  color: var(--ink);
}
body[data-song-style='lumen2'] .hero .facts {
  gap: 20px;
}
body[data-song-style='lumen2'] .song-fact {
  flex-direction: row;
  align-items: baseline;
  gap: 8px;
  padding: 0;
  border: 0;
  background: none;
}
body[data-song-style='lumen2'] .fact-label {
  color: var(--faint);
  font: 500 10px 'IBM Plex Mono', monospace;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
body[data-song-style='lumen2'] .fact-value {
  color: var(--ink);
  font-weight: 700;
}
body[data-song-style='lumen2'] .song-actions button {
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #ffffff08;
  color: var(--ink);
  font-weight: 600;
}
body[data-song-style='lumen2'] .song-actions button:hover {
  border-color: #ffd27a66;
  background: #ffd27a14;
}
body[data-song-style='lumen2'] #save[aria-pressed='true'] {
  border-color: transparent;
  background: var(--glow-a);
  color: #2a1c05;
}

/* Listen-with */
body[data-song-style='lumen2'] .hero-listen .field {
  color: var(--faint);
  font: 500 10px 'IBM Plex Mono', monospace;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
body[data-song-style='lumen2'] .hero-listen select {
  padding: 11px 12px;
  font: 600 14px var(--sans);
  letter-spacing: 0;
  text-transform: none;
}
body[data-song-style='lumen2'] .hero-listen #video-wrap iframe {
  border-radius: 16px;
}
body[data-song-style='lumen2'] .hero-listen .hint {
  color: var(--faint);
}

/* The sheet becomes a window onto the night sky */
body[data-song-style='lumen2'] .sheet {
  --paper: #0a1128;
  overflow: hidden;
  border: 1px solid #ffffff17;
  border-radius: 28px;
  background: var(--night);
  color: var(--ink);
  box-shadow:
    0 50px 100px -40px #000,
    0 0 0 6px #ffffff05,
    inset 0 1px #ffffff12;
}
body[data-song-style='lumen2'] .sheet-tools {
  border-bottom: 0;
  background: transparent;
}
body[data-song-style='lumen2'] .sheet-tools .tabs button {
  position: relative;
  border: 0;
  color: var(--faint);
  font-weight: 700;
  transition: color 0.2s;
}
body[data-song-style='lumen2'] .sheet-tools .tabs button::after {
  content: '';
  position: absolute;
  inset: auto 20% 8px;
  height: 2px;
  border-radius: 2px;
  background: var(--glow-a);
  box-shadow: 0 0 10px var(--glow-a);
  opacity: 0;
  transition: opacity 0.25s, inset 0.25s;
}
body[data-song-style='lumen2'] .sheet-tools .tabs button:hover {
  color: var(--ink);
}
body[data-song-style='lumen2'] .sheet-tools .tabs button.active {
  border: 0;
  color: var(--ink);
}
body[data-song-style='lumen2'] .sheet-tools .tabs button.active::after {
  inset: auto 0 8px;
  opacity: 1;
}
/* The visualisation shows bars itself; the score's system navigation has nothing to page. */
body[data-song-style='lumen2'] .score-navigation {
  display: none !important;
}
body[data-song-style='lumen2'] .sheet .sections {
  gap: 6px;
  padding: 4px 14px 12px;
  border-bottom: 0;
  background: transparent;
  scrollbar-color: #ffffff1f transparent;
}
body[data-song-style='lumen2'] .sheet .sections button {
  min-height: 32px;
  padding: 6px 13px;
  border: 1px solid transparent;
  border-radius: 999px;
  background: transparent;
  color: var(--faint);
  font-weight: 700;
  font-size: 12px;
  box-shadow: none;
  transition: color 0.25s, border-color 0.25s, background 0.25s, box-shadow 0.4s;
}
body[data-song-style='lumen2'] .sheet .sections button::before {
  display: block;
  inset: auto 13px 4px;
  height: 1.5px;
  border-radius: 2px;
  background: var(--section-color);
  opacity: 0.35;
}
body[data-song-style='lumen2'] .sheet .sections button::after {
  display: none;
}
body[data-song-style='lumen2'] .sheet .sections button:hover {
  color: var(--ink);
  filter: none;
}
body[data-song-style='lumen2'] .sheet .sections button.active {
  border-color: color-mix(in srgb, var(--section-color) 45%, transparent);
  background: color-mix(in srgb, var(--section-color) 12%, transparent);
  color: #fff;
  box-shadow: 0 0 24px -8px var(--section-color);
}
body[data-song-style='lumen2'] .sheet .sections button.active::before {
  opacity: 1;
  box-shadow: 0 0 8px var(--section-color);
}

/* The melody view is the visualisation. */
body[data-song-style='lumen2'] #melody {
  display: none !important;
}
.site-visualizer {
  display: none;
}
body[data-song-style='lumen2'] #melody:not([hidden]) ~ .site-visualizer-staff {
  display: block;
  position: relative;
  height: clamp(420px, calc(var(--sheet-content-height, 640px) - 112px), 760px);
  background:
    radial-gradient(90% 55% at 30% 100%, #1c2c5a 0%, transparent 70%),
    linear-gradient(#060a18, #0a1230 62%, #0d1638);
  cursor: grab;
  touch-action: pan-y;
}
body[data-song-style='lumen2'] .site-visualizer:active {
  cursor: grabbing;
}
.site-visualizer canvas {
  display: block;
  width: 100%;
  height: 100%;
}

/* Chord chart view */
body[data-song-style='lumen2'] #lines {
  padding: 8px 18px 22px;
  background: transparent;
  scrollbar-color: #ffffff1f transparent;
}
body[data-song-style='lumen2'] #lines .lyric {
  margin: 2px 0;
  padding: 16px 20px;
  border: 0;
  border-radius: 18px;
  background: transparent;
  color: var(--ink);
  transition: background 0.35s, transform 0.4s cubic-bezier(0.2, 0.9, 0.3, 1.2), opacity 0.35s;
}
body[data-song-style='lumen2'] #lines .lyric:hover {
  background: #ffffff08;
}
body[data-song-style='lumen2'] #lines .lyric.active {
  background: linear-gradient(100deg, #ffd27a1c, #b4a5ff14 55%, transparent);
  box-shadow: inset 0 0 0 1px #ffd27a33;
  transform: scale(1.015);
}
body[data-song-style='lumen2'] #lines .line-time {
  color: var(--faint);
  font: 500 10px 'IBM Plex Mono', monospace;
}
body[data-song-style='lumen2'] #lines .chords {
  gap: 18px;
  font: 800 18px var(--sans);
}
body[data-song-style='lumen2'] #lines .chords > * { color: #d8d2ee; }
body[data-song-style='lumen2'] #lines .chords > [data-degree='1'] { color: #ff8397; }
body[data-song-style='lumen2'] #lines .chords > [data-degree='2'] { color: #ffac70; }
body[data-song-style='lumen2'] #lines .chords > [data-degree='3'] { color: #ffe07c; }
body[data-song-style='lumen2'] #lines .chords > [data-degree='4'] { color: #7df0b2; }
body[data-song-style='lumen2'] #lines .chords > [data-degree='5'] { color: #70d1ff; }
body[data-song-style='lumen2'] #lines .chords > [data-degree='6'] { color: #b4a5ff; }
body[data-song-style='lumen2'] #lines .chords > [data-degree='7'] { color: #f39dff; }
body[data-song-style='lumen2'] #lines .words {
  color: var(--ink);
  font: 400 30px/1.25 var(--serif);
}
body[data-song-style='lumen2'] #lines .lyric:not(.active) .words {
  color: #eef2ff80;
}
body[data-song-style='lumen2'] .words .chart-syllable.sung {
  color: #fff;
}
body[data-song-style='lumen2'] .words .chart-syllable.singing {
  background: none;
  color: var(--glow-a);
  text-decoration: none;
  text-shadow: 0 0 16px #ffd27a;
}

/* Settings */
body[data-song-style='lumen2'] #practice-settings .panel {
  border: 1px solid var(--line);
  border-radius: 24px;
  background: #0d152fcc;
  backdrop-filter: blur(14px);
  box-shadow: none;
}
body[data-song-style='lumen2'] #practice-settings h2 {
  color: var(--ink);
  font: 400 30px/1.1 var(--serif);
}
body[data-song-style='lumen2'] .panel .hint,
body[data-song-style='lumen2'] .panel .scale,
body[data-song-style='lumen2'] .panel .key-original,
body[data-song-style='lumen2'] #practice-settings .accuracy,
body[data-song-style='lumen2'] #practice-settings .note p,
body[data-song-style='lumen2'] .alignment-debug {
  color: var(--muted);
}
body[data-song-style='lumen2'] .panel .divider {
  background: var(--line);
}
body[data-song-style='lumen2'] .panel input[type='range'],
body[data-song-style='lumen2'] .panel input[type='checkbox'],
body[data-song-style='lumen2'] #seek,
body[data-song-style='lumen2'] #volume {
  accent-color: var(--glow-a);
}
body[data-song-style='lumen2'] .setting button,
body[data-song-style='lumen2'] output {
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #ffffff0a;
  color: var(--ink);
  font-weight: 700;
}
body[data-song-style='lumen2'] .setting button[aria-pressed='true'] {
  border-color: transparent;
  background: var(--glow-a);
  color: #2a1c05;
}
body[data-song-style='lumen2'] #reset-key {
  color: var(--glow-a);
}
body[data-song-style='lumen2'] #reset-key:disabled {
  color: var(--faint);
}
body[data-song-style='lumen2'] .segmented {
  border-radius: 14px;
  background: #0000004d;
  box-shadow: inset 0 0 0 1px var(--line);
}
body[data-song-style='lumen2'] .segmented button {
  border-radius: 11px;
  color: var(--muted);
}
body[data-song-style='lumen2'] .segmented button[aria-pressed='true'] {
  background: #ffffff12;
  color: var(--ink);
  box-shadow: inset 0 0 0 1px #ffd27a4d;
}
body[data-song-style='lumen2'] #practice-settings .note > span {
  color: var(--glow-c);
}

/* Song notes */
body[data-song-style='lumen2'] .song-guide .arrangement-card,
body[data-song-style='lumen2'] .song-guide .related-card {
  border: 1px solid var(--line);
  border-radius: 28px;
  background: #0d152f99;
  box-shadow: none;
}
body[data-song-style='lumen2'] .song-guide .guide-eyebrow {
  color: var(--glow-a);
  font-family: 'IBM Plex Mono', monospace;
  letter-spacing: 0.16em;
}
body[data-song-style='lumen2'] .song-guide h2 {
  color: var(--ink);
  font: 400 38px/1.05 var(--serif);
}
body[data-song-style='lumen2'] .song-guide .qa-intro,
body[data-song-style='lumen2'] .song-guide .qa-list p,
body[data-song-style='lumen2'] .song-guide .related-song small {
  color: var(--muted);
}
body[data-song-style='lumen2'] .song-guide .qa-list details,
body[data-song-style='lumen2'] .song-guide .related-song {
  border-color: var(--line);
}
body[data-song-style='lumen2'] .song-guide .qa-list h3,
body[data-song-style='lumen2'] .song-guide .related-song b {
  color: var(--ink);
}
body[data-song-style='lumen2'] .song-guide .qa-list summary:hover h3,
body[data-song-style='lumen2'] .song-guide .related-song:hover b,
body[data-song-style='lumen2'] .song-guide .artist-browse-link,
body[data-song-style='lumen2'] .qa-list .qa-timestamp {
  color: var(--glow-a);
}
body[data-song-style='lumen2'] .song-guide .related-song {
  color: var(--ink);
}
body[data-song-style='lumen2'] .song-guide .related-song img,
body[data-song-style='lumen2'] .song-guide .related-art {
  border-radius: 50%;
  background: #ffffff12;
}
body[data-song-style='lumen2'] .song-guide .guide-badge,
body[data-song-style='lumen2'] .song-guide .guide-chords > span {
  border-color: var(--line);
  background: #ffffff0d;
  color: var(--ink);
}

/* Transport */
body[data-song-style='lumen2'] .transport {
  border-top: 1px solid var(--line);
  background: #060a18d9;
  backdrop-filter: blur(18px) saturate(1.4);
  box-shadow: 0 -24px 60px -24px #000;
  color: var(--ink);
}
body[data-song-style='lumen2'] .transport .play {
  border: 0;
  background: radial-gradient(circle at 35% 30%, #ffffff, #fff0cc 40%, var(--glow-a));
  color: #2a1c05;
  box-shadow: 0 0 0 6px #ffd27a1a, 0 0 30px #ffd27a66;
  transition: box-shadow 0.3s, transform 0.2s;
}
body[data-song-style='lumen2'] .transport .play:hover {
  transform: scale(1.06);
  box-shadow: 0 0 0 8px #ffd27a26, 0 0 40px #ffd27a99;
}
body[data-song-style='lumen2'] .transport .now b {
  font: italic 400 20px var(--serif);
}
body[data-song-style='lumen2'] .transport .now small,
body[data-song-style='lumen2'] .transport > span {
  color: var(--muted);
}
body[data-song-style='lumen2'] #mute:hover {
  background: #ffffff12;
}
body[data-song-style='lumen2'] #settings-toggle {
  color: var(--ink);
}
body[data-song-style='lumen2'] #status,
body[data-song-style='lumen2'] #measure-dialog {
  border: 1px solid var(--line);
  background: #111a38;
  color: var(--ink);
}

@media (max-width: 600px) {
  body[data-song-style='lumen2'] .song-overview > .hero {
    grid-template-columns: 84px minmax(0, 1fr);
    gap: 18px;
    margin: 4px 16px 18px;
  }
  body[data-song-style='lumen2'] .hero .artwork-cover {
    width: 84px;
    height: 84px;
  }
  body[data-song-style='lumen2'] .hero .identity h1 {
    font-size: 46px;
  }
  body[data-song-style='lumen2'] .identity #artist {
    font-size: 20px;
  }
  body[data-song-style='lumen2'] .workspace > .sheet {
    border-right: 0;
    border-left: 0;
    border-radius: 0;
  }
  body[data-song-style='lumen2'] #melody:not([hidden]) ~ .site-visualizer-staff {
    height: clamp(420px, calc(var(--sheet-content-height, 600px) - 40px), 620px);
  }
  body[data-song-style='lumen2'] #lines .words {
    font-size: 24px;
  }
  body[data-song-style='lumen2'] #practice-settings .panel {
    border: 0;
    background: transparent;
    backdrop-filter: none;
  }
}
@media (prefers-reduced-motion: reduce) {
  body[data-song-style='lumen2'] .hero .artwork-cover::after {
    animation: none;
  }
}
@media print {
  body[data-song-style='lumen2'] {
    background: white;
    color: #182c28;
  }
  body[data-song-style='lumen2']::before {
    display: none;
  }
}

/* Note-name toggle over the staff */
.staff-river-controls {
  display: none;
}
body[data-song-style='lumen2'] .staff-river-controls {
  display: flex;
  align-items: center;
  gap: 4px;
  position: absolute;
  right: 14px;
  bottom: 10px;
  padding: 3px;
  border: 1px solid #ffffff14;
  border-radius: 999px;
  background: #060a18b3;
  backdrop-filter: blur(8px);
  font-size: 11px;
}
body[data-song-style='lumen2'] .staff-river-controls span {
  padding: 0 6px 0 8px;
  color: var(--faint);
  font: 500 10px 'IBM Plex Mono', monospace;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
body[data-song-style='lumen2'] .staff-river-controls button {
  padding: 5px 10px;
  border-radius: 999px;
  color: var(--muted);
  font-weight: 700;
}
body[data-song-style='lumen2'] .staff-river-controls button:hover {
  color: var(--ink);
}
body[data-song-style='lumen2'] .staff-river-controls button[aria-pressed='true'] {
  background: #ffd27a;
  color: #2a1c05;
}
@media (max-width: 600px) {
  body[data-song-style='lumen2'] .staff-river-controls span {
    display: none;
  }
}