/* Night palette: an out-of-focus street at 3 a.m. Every accent is a light source in the song. */
:root {
  --night: #0b0910;
  --ink: #f4eee6;
  --ink-dim: rgba(244, 238, 230, 0.66);
  --ink-faint: rgba(244, 238, 230, 0.34);
  --line: rgba(244, 238, 230, 0.12);
  --rose: #ff5c8a;
  --sodium: #ff9a3c;
  --dusk: #6c8cff;
  --violet: #a56bff;
  --memo-red: #ff3b30;
  --accent: #ff9a3c;
  --glass: rgba(18, 13, 24, 0.58);
  --glass-strong: rgba(14, 10, 19, 0.82);
  --display: 'Bricolage Grotesque', 'Helvetica Neue', Arial, sans-serif;
  --body: 'Instrument Sans', 'Helvetica Neue', Arial, sans-serif;
  --mono: 'DM Mono', ui-monospace, Menlo, monospace;
  --dock-h: 84px;
  --gutter: clamp(16px, 4vw, 56px);
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { background: var(--night); }
body {
  margin: 0;
  min-height: 100vh;
  background: var(--night);
  color: var(--ink);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  padding-bottom: calc(var(--dock-h) + 24px);
  overflow-x: hidden;
}

#bokeh { position: fixed; inset: 0; width: 100vw; height: 100vh; z-index: 0; filter: blur(6px) saturate(1.1); transform: scale(1.04); }
.grain { position: fixed; inset: -10px; z-index: 1; pointer-events: none; opacity: 0.09; mix-blend-mode: overlay; background-size: 180px 180px; }
.vignette { position: fixed; inset: 0; z-index: 1; pointer-events: none; background: radial-gradient(120% 90% at 50% 40%, transparent 55%, rgba(0, 0, 0, 0.6) 100%); }

.meta-bar, main, .dock { position: relative; z-index: 2; }
.mono { font-family: var(--mono); font-size: 12px; letter-spacing: 0.02em; }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 6px; }

.meta-bar {
  display: flex; justify-content: space-between; gap: 16px;
  padding: 18px var(--gutter); color: var(--ink-dim);
}

/* ─── tracklist ────────────────────────────────────── */
.tracklist ol { list-style: none; margin: 0 0 28px; padding: 0; display: flex; flex-wrap: wrap; gap: 6px 22px; }
.track-btn {
  display: inline-flex; align-items: baseline; gap: 8px; padding: 4px 0;
  background: none; border: 0; border-bottom: 1px solid transparent; cursor: pointer;
  color: var(--ink-faint); font: 500 15px var(--body); letter-spacing: -0.01em;
  transition: color 0.2s, border-color 0.2s;
}
.track-btn .mono { font-size: 11px; }
.track-btn:hover { color: var(--ink); }
.track-btn[aria-current='true'] { color: var(--ink); border-bottom-color: var(--accent); }
.track-btn:disabled { cursor: progress; }

/* ─── hero ─────────────────────────────────────────── */
.hero {
  min-height: calc(100vh - 60px - var(--dock-h));
  display: flex; flex-direction: column; justify-content: center;
  padding: 0 var(--gutter) 40px;
  max-width: 1280px;
}
.title { margin: 0; font-family: var(--display); line-height: 0.86; letter-spacing: -0.045em; }
.title-name {
  display: block;
  font-size: clamp(76px, 17vw, 250px);
  font-weight: 780;
  font-variation-settings: 'opsz' 96, 'wdth' 88;
  text-shadow: 0 0 60px color-mix(in srgb, var(--accent) 22%, transparent);
}
.title-paren {
  display: block;
  margin-top: 0.12em;
  font-size: clamp(34px, 6.6vw, 96px);
  font-weight: 250;
  font-variation-settings: 'opsz' 96, 'wdth' 100;
  letter-spacing: -0.03em;
  color: var(--ink-dim);
}
.hero-sub { max-width: 560px; margin: 28px 0 0; color: var(--ink-dim); font-size: 17px; }

.play-row { display: flex; align-items: center; gap: 22px; margin-top: 36px; flex-wrap: wrap; }
.play-btn {
  display: inline-flex; align-items: center; gap: 12px;
  height: 64px; padding: 0 30px 0 24px;
  border: 0; border-radius: 999px;
  background: var(--ink); color: var(--night);
  font: 600 18px/1 var(--body);
  cursor: pointer;
  transition: transform 0.2s ease, background 0.2s, opacity 0.2s;
}
.play-btn svg { width: 22px; height: 22px; fill: currentColor; }
.play-btn:hover:not(:disabled) { transform: scale(1.03); background: #fff; }
.play-btn:disabled { opacity: 0.35; cursor: progress; }
.icon-pause { display: none; }
.is-playing .icon-pause { display: block; }
.is-playing .icon-play { display: none; }

.render-status { display: flex; align-items: center; gap: 12px; color: var(--ink-dim); font-size: 14px; }
.render-status.is-done .render-bars { display: none; }
.render-bars { display: flex; gap: 4px; align-items: flex-end; height: 26px; }
.render-bars i {
  display: block; width: 6px; border-radius: 3px; background: var(--ink-faint);
  height: 26px; transform-origin: bottom; transform: scaleY(0.08);
  transition: transform 0.25s ease, background 0.25s;
}
.render-bars i.is-full { background: var(--accent); }

.caption {
  min-height: calc(1.3em + 26px); margin: 40px 0 0;
  font-family: var(--display); font-weight: 400; font-variation-settings: 'opsz' 48;
  font-size: clamp(22px, 3.2vw, 38px); letter-spacing: -0.02em;
  color: var(--ink);
  opacity: 0; transform: translateY(6px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.caption.is-on { opacity: 1; transform: none; }
.caption .caption-src { display: block; font-family: var(--mono); font-size: 12px; color: var(--ink-faint); letter-spacing: 0.02em; margin-bottom: 6px; }

/* ─── shared section chrome ────────────────────────── */
section.deck, section.memo, section.notes { padding: 72px var(--gutter) 24px; max-width: 1280px; }
.section-head { max-width: 640px; margin-bottom: 28px; }
.section-head h2, .chain-title {
  margin: 0 0 8px; font-family: var(--display); font-weight: 650;
  font-size: clamp(34px, 4.6vw, 56px); letter-spacing: -0.035em; line-height: 1;
  font-variation-settings: 'opsz' 72, 'wdth' 92;
}
.section-head p { margin: 0; color: var(--ink-dim); }
.linkish { background: none; border: 0; padding: 0; color: var(--ink-dim); font: 500 13px var(--body); text-decoration: underline; text-underline-offset: 3px; cursor: pointer; }
.linkish:hover { color: var(--ink); }

/* ─── pads ─────────────────────────────────────────── */
.deck-grid { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(260px, 1fr); gap: 28px; align-items: start; }
.pads { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.pad {
  --c: var(--ink);
  position: relative; aspect-ratio: 1 / 0.86;
  display: flex; flex-direction: column; justify-content: space-between; align-items: flex-start;
  padding: 12px 14px;
  border: 1px solid var(--line); border-radius: 14px;
  background: var(--glass); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  color: var(--ink); cursor: pointer; text-align: left;
  touch-action: manipulation; user-select: none; -webkit-user-select: none;
  transition: border-color 0.2s, background 0.35s;
}
.pad::after {
  content: ''; position: absolute; inset: -1px; border-radius: inherit; pointer-events: none;
  background: radial-gradient(circle at 50% 60%, var(--c), transparent 70%);
  opacity: 0;
}
.pad:hover { border-color: rgba(244, 238, 230, 0.3); }
.pad--vox { --c: var(--rose); }
.pad--words { --c: var(--sodium); }
.pad--keys { --c: var(--violet); }
.pad--drums { --c: var(--dusk); }
.pad-key { font-family: var(--mono); font-size: 12px; color: var(--ink-faint); }
.pad-label { position: relative; z-index: 1; font-family: var(--display); font-size: clamp(15px, 1.7vw, 21px); font-weight: 560; letter-spacing: -0.02em; line-height: 1.05; }
.pad-label::before { content: ''; display: block; width: 18px; height: 3px; border-radius: 2px; background: var(--c); margin-bottom: 8px; opacity: 0.85; }
.pad.is-hit::after { animation: hit 0.5s ease-out; }
.pad.is-echo::after { animation: echo 0.9s ease-out; }
@keyframes hit { from { opacity: 0.85; } to { opacity: 0; } }
@keyframes echo { from { opacity: 0.32; } to { opacity: 0; } }

.deck-side { display: flex; flex-direction: column; gap: 22px; }
.toggles { display: flex; gap: 10px; flex-wrap: wrap; }
.toggle { position: relative; cursor: pointer; }
.toggle input { position: absolute; opacity: 0; inset: 0; margin: 0; cursor: pointer; }
.toggle span {
  display: inline-block; padding: 9px 14px; border-radius: 999px;
  border: 1px solid var(--line); background: var(--glass); color: var(--ink-dim); font-size: 14px;
  transition: all 0.2s;
}
.toggle input:checked + span { background: var(--ink); color: var(--night); border-color: var(--ink); }
.toggle input:focus-visible + span { outline: 2px solid var(--accent); outline-offset: 3px; }

.mixer { display: grid; grid-template-columns: repeat(5, 1fr); gap: 8px; }
.strip {
  display: flex; flex-direction: column; align-items: stretch; gap: 8px;
  padding: 10px 8px 10px; border-radius: 12px; border: 1px solid var(--line);
  background: var(--glass); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  color: var(--ink); cursor: pointer; font: 500 13px var(--body);
}
.strip-meter { position: relative; height: 92px; border-radius: 6px; background: rgba(244, 238, 230, 0.06); overflow: hidden; }
.strip-meter i { position: absolute; left: 0; right: 0; bottom: 0; height: 100%; background: linear-gradient(to top, var(--c), color-mix(in srgb, var(--c) 40%, white)); transform-origin: bottom; transform: scaleY(0); border-radius: 6px; }
.strip-name { text-align: center; }
.strip.is-muted { opacity: 0.4; }
.strip.is-muted .strip-name { text-decoration: line-through; }

.filter-head { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 6px; font-weight: 500; }
.filter-scale { display: flex; justify-content: space-between; color: var(--ink-faint); margin-top: 4px; }
input[type='range'] { width: 100%; accent-color: var(--accent); }

/* ─── memo ─────────────────────────────────────────── */
.memo-card {
  max-width: 560px; padding: 20px 22px 18px; border-radius: 22px;
  background: var(--glass-strong); border: 1px solid var(--line);
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
}
.memo-top { display: flex; justify-content: space-between; align-items: flex-start; }
.memo-name { font-weight: 600; font-size: 18px; }
.memo-date { color: var(--ink-faint); }
.memo-timer { font-size: 22px; color: var(--ink); }
.memo-wave { display: block; width: 100%; height: 76px; margin: 16px 0; }
.memo-controls { display: flex; align-items: center; gap: 20px; }
.rec-btn {
  width: 62px; height: 62px; border-radius: 50%; padding: 0;
  border: 3px solid rgba(244, 238, 230, 0.85); background: transparent; cursor: pointer;
  display: grid; place-items: center;
}
.rec-btn span { display: block; width: 46px; height: 46px; border-radius: 50%; background: var(--memo-red); transition: all 0.25s ease; }
.rec-btn.is-recording span { width: 24px; height: 24px; border-radius: 6px; }
.memo-status { margin: 14px 0 0; color: var(--ink-dim); font-size: 14px; min-height: 1.5em; }

/* ─── notes ────────────────────────────────────────── */
.notes-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 26px 32px; }
.note-group h3 { margin: 0 0 10px; font-family: var(--mono); font-size: 12px; font-weight: 500; letter-spacing: 0.06em; text-transform: uppercase; color: var(--accent); }
.note-group ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.note-group li { color: var(--ink-dim); font-size: 15px; line-height: 1.5; }
.note-group b { display: block; color: var(--ink); font-weight: 600; }
.chain-title { margin-top: 56px; font-size: clamp(26px, 3vw, 36px); }
.chain { list-style: none; counter-reset: c; display: flex; flex-wrap: wrap; gap: 8px; padding: 0; margin: 16px 0 0; }
.chain li {
  counter-increment: c; display: flex; align-items: center; gap: 10px;
  padding: 9px 14px; border-radius: 10px; border: 1px solid var(--line); background: var(--glass);
  font-size: 14px; color: var(--ink);
}
.chain li::before { content: counter(c, decimal-leading-zero); font-family: var(--mono); font-size: 11px; color: var(--accent); }
.shortfall { max-width: 680px; margin: 36px 0 0; color: var(--ink-dim); font-size: 15px; }
.shortfall b { color: var(--ink); }
.export-row { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; margin: 28px 0 0; }
.ghost-btn {
  padding: 12px 20px; border-radius: 999px; border: 1px solid rgba(244, 238, 230, 0.4);
  background: transparent; color: var(--ink); font: 500 15px var(--body); cursor: pointer;
}
.ghost-btn:hover:not(:disabled) { background: rgba(244, 238, 230, 0.08); }
.ghost-btn:disabled { opacity: 0.4; cursor: progress; }
.export-note { color: var(--ink-faint); }

/* ─── dock ─────────────────────────────────────────── */
.dock {
  position: fixed; left: 12px; right: 12px; bottom: 12px; z-index: 5;
  height: var(--dock-h);
  display: grid; grid-template-columns: auto 150px 1fr 110px; align-items: center; gap: 18px;
  padding: 0 18px 0 12px; border-radius: 20px;
  background: var(--glass-strong); border: 1px solid var(--line);
  backdrop-filter: blur(22px) saturate(1.3); -webkit-backdrop-filter: blur(22px) saturate(1.3);
}
.dock-play {
  width: 52px; height: 52px; border-radius: 50%; border: 0; background: var(--ink); color: var(--night);
  display: grid; place-items: center; cursor: pointer;
}
.dock-play svg { width: 20px; height: 20px; fill: currentColor; }
.dock-play:disabled { opacity: 0.35; cursor: progress; }
.dock-section { font-family: var(--display); font-weight: 650; font-size: 19px; letter-spacing: -0.02em; line-height: 1.1; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.dock-chord { color: var(--ink-dim); margin-top: 3px; white-space: nowrap; }
.timeline { min-width: 0; }
.timeline-sections { display: flex; height: 18px; }
.tl-section {
  flex: none; min-width: 0; overflow: hidden; white-space: nowrap; text-overflow: ellipsis;
  padding: 0 6px 0 5px; border: 0; border-left: 1px solid var(--line); background: none;
  color: var(--ink-faint); font: 500 10.5px var(--mono); text-transform: uppercase; letter-spacing: 0.05em; text-align: left; cursor: pointer;
}
.tl-section:hover, .tl-section.is-current { color: var(--ink); }
.tl-section.is-current { border-left-color: var(--accent); }
.timeline-wrap { position: relative; }
.timeline canvas { display: block; width: 100%; height: 40px; border-radius: 6px; cursor: pointer; }
.timeline-hover { position: absolute; top: -22px; transform: translateX(-50%); padding: 2px 6px; border-radius: 4px; background: var(--ink); color: var(--night); pointer-events: none; }
.dock-vol input { width: 100%; }

@media (max-width: 900px) {
  .deck-grid { grid-template-columns: 1fr; }
  .dock { grid-template-columns: auto 1fr; grid-template-rows: auto auto; height: auto; padding: 10px 12px; gap: 8px 12px; }
  .timeline { grid-column: 1 / -1; }
  .dock-vol { display: none; }
  body { padding-bottom: 150px; }
  .tl-section { font-size: 9px; padding: 0 3px; }
}
@media (max-width: 560px) {
  .pads { gap: 7px; }
  .pad { padding: 9px 10px; border-radius: 11px; }
  .mixer { gap: 5px; }
  .strip { padding: 8px 4px; font-size: 11px; }
  .strip-meter { height: 64px; }
  .meta-bar { font-size: 11px; }
  .meta-bar > span:first-child { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}