:root {
  --bg: #efe8da;
  --bg-deep: #e4dccb;
  --ink: #14161c;
  --muted: #5f6573;
  --line: rgba(20, 22, 28, 0.12);
  --panel: rgba(255, 251, 243, 0.78);
  --accent: #d9480f;
  --teal: #0b7a72;
  --wave: #1f2a37;
  --wave-hi: #d9480f;
  --font-display: "Syne", system-ui, sans-serif;
  --font: "Outfit", system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
  --dock-h: 72px;
  --rail-w: 220px;
  --insp-w: 340px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  color: var(--ink);
  background:
    radial-gradient(900px 420px at 0% 0%, #ffd9b0 0%, transparent 55%),
    radial-gradient(800px 380px at 100% 0%, #b9e4db 0%, transparent 50%),
    linear-gradient(180deg, #f4eee3 0%, var(--bg) 40%, var(--bg-deep) 100%);
  padding-bottom: calc(var(--dock-h) + 12px);
}
.grain {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 0;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); border: 0;
}

.mast, .layout { position: relative; z-index: 1; }

.mast {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 1rem;
  align-items: center;
  padding: 0.9rem 1.25rem;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 251, 243, 0.55);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 5;
}
.logo {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  color: inherit;
  line-height: 1;
  min-width: 0;
}
.logo-text {
  display: flex;
  flex-direction: column;
  min-width: 0;
}
.logo-m {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.35rem;
  letter-spacing: -0.04em;
  line-height: 1;
  font-variant-numeric: lining-nums;
}
/* Syne "3" sits optically low vs geometric caps — lift digit onto brand baseline */
.logo-m .mark-num {
  display: inline-block;
  position: relative;
  top: -0.16em;
}
.logo-s {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.16em;
  color: var(--accent);
  margin-top: 0.2rem;
}
@media (max-width: 720px) {
  .logo-m { font-size: 1.15rem; }
  .logo-s { font-size: 0.55rem; }
}
.seek {
  display: flex;
  gap: 0.4rem;
  max-width: 520px;
  width: 100%;
  justify-self: center;
}
.seek input {
  flex: 1;
  min-width: 0;
  border: 1.5px solid var(--ink);
  background: #fff;
  padding: 0.7rem 0.9rem;
  font: inherit;
  border-radius: 2px;
  outline: none;
}
.seek input:focus { box-shadow: 0 0 0 3px rgba(217, 72, 15, 0.22); }
.seek button {
  border: none;
  background: var(--ink);
  color: #fff;
  font: inherit;
  font-weight: 600;
  padding: 0 1.1rem;
  cursor: pointer;
  border-radius: 2px;
}
.seek button:hover { background: var(--accent); }
.mast-right {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.35rem;
}
.lang-switch select {
  font: inherit;
  font-size: 0.78rem;
  border: 1px solid var(--line);
  background: #fff;
  padding: 0.35rem 0.5rem;
  border-radius: 2px;
  max-width: 11rem;
  cursor: pointer;
}
.mast-meta {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--muted);
  text-align: right;
}
.i18n-foot {
  margin: 0;
  padding: 0.5rem 1.25rem 5.5rem;
  font-size: 0.72rem;
  color: var(--muted);
  text-align: center;
}

.layout {
  display: grid;
  grid-template-columns: var(--rail-w) minmax(0, 1fr) var(--insp-w);
  gap: 0;
  min-height: calc(100vh - 74px - var(--dock-h));
}

.rail {
  border-right: 1px solid var(--line);
  padding: 1rem 0.75rem 2rem;
  background: rgba(255, 251, 243, 0.35);
  overflow: auto;
  max-height: calc(100vh - 74px - var(--dock-h));
  position: sticky;
  top: 74px;
}
.rail-title {
  margin: 0.85rem 0.4rem 0.45rem;
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 600;
}
.rail-title:first-child { margin-top: 0; }
.domain-nav { display: flex; flex-direction: column; gap: 0.2rem; }
.dom-btn, .leaf-btn {
  display: flex;
  justify-content: space-between;
  gap: 0.5rem;
  width: 100%;
  border: none;
  background: transparent;
  text-align: left;
  font: inherit;
  padding: 0.45rem 0.55rem;
  border-radius: 2px;
  cursor: pointer;
  color: inherit;
}
.dom-btn:hover, .leaf-btn:hover, .dom-btn.active, .leaf-btn.active {
  background: var(--ink);
  color: #fff;
}
.dom-btn .count, .leaf-btn .count {
  font-family: var(--mono);
  font-size: 0.68rem;
  opacity: 0.7;
}
.leaf-scroll {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  max-height: 42vh;
  overflow: auto;
}
.leaf-btn { font-size: 0.82rem; }

.stage {
  padding: 1rem 1.1rem 2rem;
  min-width: 0;
}
.stage-bar {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: end;
  margin-bottom: 0.85rem;
}
.stage-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 3vw, 2rem);
  letter-spacing: -0.03em;
}
.stage-sub {
  margin: 0.25rem 0 0;
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--muted);
}
.sort {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8rem;
  color: var(--muted);
}
.sort select {
  font: inherit;
  border: 1px solid var(--line);
  background: #fff;
  padding: 0.35rem 0.45rem;
  border-radius: 2px;
}

.table-head, .track {
  display: grid;
  grid-template-columns: 40px minmax(0, 1.6fr) minmax(0, 1fr) 56px 72px 88px;
  gap: 0.55rem;
  align-items: center;
}
.table-head {
  padding: 0.35rem 0.55rem;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  border-bottom: 1px solid var(--line);
}
.tracks { list-style: none; margin: 0; padding: 0; }
.track {
  width: 100%;
  border: none;
  border-bottom: 1px solid var(--line);
  background: transparent;
  padding: 0.7rem 0.55rem;
  font: inherit;
  text-align: left;
  cursor: pointer;
  color: inherit;
  transition: background 0.12s ease;
}
.track:hover, .track.active { background: rgba(255, 255, 255, 0.55); }
.track.active { box-shadow: inset 3px 0 0 var(--accent); }
.play-dot {
  width: 2rem; height: 2rem;
  border-radius: 50%;
  border: 1.5px solid var(--ink);
  display: grid; place-items: center;
  background: #fff;
  font-size: 0.65rem;
}
.track.active .play-dot {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}
.t-title { margin: 0; font-weight: 600; font-size: 0.95rem; }
.t-sub {
  margin: 0.12rem 0 0;
  font-size: 0.72rem;
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.t-type, .t-dur, .t-size {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--muted);
}
.t-actions { display: flex; gap: 0.3rem; justify-content: flex-end; }
.mini {
  border: 1px solid var(--line);
  background: #fff;
  color: inherit;
  text-decoration: none;
  font: inherit;
  font-size: 0.68rem;
  padding: 0.28rem 0.45rem;
  border-radius: 2px;
  cursor: pointer;
}
.mini:hover { border-color: var(--ink); }

.empty {
  text-align: center;
  color: var(--muted);
  padding: 2.5rem 1rem;
}
.pager {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.75rem;
  margin-top: 1rem;
  font-family: var(--mono);
  font-size: 0.75rem;
}
.pager button {
  border: 1px solid var(--line);
  background: #fff;
  padding: 0.4rem 0.75rem;
  font: inherit;
  cursor: pointer;
  border-radius: 2px;
}
.pager button:disabled { opacity: 0.4; cursor: not-allowed; }

.inspector {
  border-left: 1px solid var(--line);
  background: rgba(255, 251, 243, 0.72);
  padding: 1.1rem;
  overflow: auto;
  max-height: calc(100vh - 74px - var(--dock-h));
  position: sticky;
  top: 74px;
}
.insp-hint { color: var(--muted); margin: 0; line-height: 1.5; }
.insp-type {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--teal);
}
.insp-body h2 {
  margin: 0.3rem 0 0.45rem;
  font-family: var(--font-display);
  font-size: 1.35rem;
  letter-spacing: -0.02em;
  line-height: 1.15;
}
.insp-short {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.5;
}
.wave {
  display: block;
  width: 100%;
  height: 88px;
  margin: 0.9rem 0;
  background: #1a1e27;
  border-radius: 2px;
}
.specs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.45rem;
}
.specs div {
  background: rgba(228, 220, 203, 0.7);
  padding: 0.5rem 0.55rem;
  border-radius: 2px;
}
.specs span {
  display: block;
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}
.specs strong { font-size: 0.88rem; }
.mini-h {
  margin: 1rem 0 0.35rem;
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 600;
}
.insp-full {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.55;
  color: var(--muted);
  white-space: pre-wrap;
  max-height: 14rem;
  overflow: auto;
}
.tags { display: flex; flex-wrap: wrap; gap: 0.3rem; margin-top: 0.65rem; }
.tag.kw {
  border-color: rgba(217, 72, 15, 0.35);
  background: #fff7f0;
}
.insp-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.9rem;
}
.btn {
  border: 1px solid var(--ink);
  background: #fff;
  color: var(--ink);
  text-decoration: none;
  font: inherit;
  font-weight: 600;
  font-size: 0.85rem;
  padding: 0.55rem 0.75rem;
  border-radius: 2px;
  cursor: pointer;
}
.btn.primary { background: var(--ink); color: #fff; border-color: var(--ink); }
.btn.primary:hover { background: var(--accent); border-color: var(--accent); }
.btn.ghost { background: transparent; }
.similar { list-style: none; margin: 0; padding: 0; }
.similar li { border-bottom: 1px solid var(--line); }
.similar button {
  width: 100%;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.5rem;
  align-items: center;
  border: none;
  background: transparent;
  text-align: left;
  padding: 0.55rem 0;
  font: inherit;
  cursor: pointer;
}
.similar strong { display: block; font-size: 0.85rem; }
.similar em {
  font-style: normal;
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--muted);
}
.ai-note {
  margin: 1rem 0 0;
  font-size: 0.72rem;
  color: var(--muted);
}

.dock {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 10;
  height: var(--dock-h);
  display: grid;
  grid-template-columns: auto minmax(100px, 180px) minmax(120px, 1fr) minmax(80px, 160px) auto;
  gap: 0.75rem;
  align-items: center;
  padding: 0 1rem;
  background: #14161c;
  color: #f4eee3;
  box-shadow: 0 -10px 30px rgba(0,0,0,0.18);
}
.dock-wave {
  width: 100%;
  height: 40px;
  border-radius: 2px;
  background: #0d0f14;
}
.dock-play {
  width: 2.4rem; height: 2.4rem;
  border-radius: 50%;
  border: none;
  background: var(--accent);
  color: #fff;
  font-size: 0.85rem;
  cursor: pointer;
}
.dock-info { min-width: 0; }
.dock-info strong {
  display: block;
  font-size: 0.9rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.dock-info span {
  font-family: var(--mono);
  font-size: 0.68rem;
  color: rgba(244, 238, 227, 0.65);
}
#dock-seek {
  width: 100%;
  accent-color: var(--accent);
}
.dock-time {
  font-family: var(--mono);
  font-size: 0.75rem;
  min-width: 3.2rem;
  text-align: right;
}

@media (max-width: 1100px) {
  .layout { grid-template-columns: 180px minmax(0, 1fr); }
  .inspector {
    grid-column: 1 / -1;
    position: static;
    max-height: none;
    border-left: none;
    border-top: 1px solid var(--line);
  }
  .table-head, .track {
    grid-template-columns: 40px minmax(0, 1fr) 56px 72px 72px;
  }
  .table-head span:nth-child(3),
  .track .t-type { display: none; }
}
@media (max-width: 720px) {
  .mast {
    grid-template-columns: 1fr;
    gap: 0.65rem;
  }
  .mast-meta { text-align: left; }
  .layout { grid-template-columns: 1fr; }
  .rail {
    position: static;
    max-height: none;
    border-right: none;
    border-bottom: 1px solid var(--line);
  }
  .leaf-scroll { max-height: 9rem; }
  .table-head { display: none; }
  .track {
    grid-template-columns: 40px minmax(0, 1fr) auto;
  }
  .t-dur, .t-size { display: none; }
  .dock {
    grid-template-columns: auto minmax(0, 1fr) auto;
  }
  #dock-seek { display: none; }
  .dock-wave { display: block; max-width: 140px; }
}