:root {
  --bg: #faf6ef;
  --panel: #fffdf9;
  --ink: #2a211b;
  --muted: #7a6d62;
  --line: #e7ddd0;
  --accent: #c2521a;
  --accent-soft: #f6e2d4;
  --good: #3f8a5a;
  --trace: #c2521a;
  --grid: #eadfd2;
  --grid-sa: #d4b79c;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #17130f;
    --panel: #201a15;
    --ink: #f2e9df;
    --muted: #a8998b;
    --line: #372d25;
    --accent: #f08a4b;
    --accent-soft: #3a2518;
    --good: #72c291;
    --trace: #f08a4b;
    --grid: #2f2720;
    --grid-sa: #5e4633;
  }
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 15px/1.5 Inter, system-ui, sans-serif;
}
.wrap { max-width: 880px; margin: 0 auto; padding: 24px 16px 48px; display: grid; gap: 16px; }
h1, h2 { font-family: Fraunces, Georgia, serif; margin: 0; }
h1 { font-size: 34px; letter-spacing: -0.01em; }
h2 { font-size: 19px; margin-bottom: 8px; }
.tag { margin: 2px 0 0; color: var(--muted); }
.muted { color: var(--muted); }
.mono { font-variant-numeric: tabular-nums; }
code { background: var(--accent-soft); padding: 1px 5px; border-radius: 4px; font-size: 13px; }

.top { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; }
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 16px 18px; }
.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.head-row { display: flex; justify-content: space-between; align-items: center; gap: 8px; margin-bottom: 8px; }
.head-row h2 { margin: 0; }

.controls { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; }
.field label, .field .label { display: block; font-weight: 600; font-size: 13px; margin-bottom: 6px; }
select, input[type=range] { font: inherit; }
select {
  background: var(--bg); color: var(--ink); border: 1px solid var(--line);
  border-radius: 8px; padding: 6px 8px; max-width: 100%;
}
#detail { width: 100%; }
input[type=range] { width: 100%; accent-color: var(--accent); }

.btn {
  font: inherit; font-weight: 500; cursor: pointer;
  background: var(--bg); color: var(--ink);
  border: 1px solid var(--line); border-radius: 8px; padding: 7px 12px;
}
.btn:hover { border-color: var(--accent); }
.btn[aria-pressed="true"] { background: var(--accent-soft); border-color: var(--accent); }
.btn.primary { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn.big { padding: 11px 18px; font-size: 16px; display: inline-flex; align-items: center; gap: 10px; border-radius: 999px; }
.btn.primary[aria-pressed="true"] { background: var(--ink); border-color: var(--ink); color: var(--bg); }
.dot { width: 10px; height: 10px; border-radius: 50%; background: currentColor; opacity: .85; }
.btn[aria-pressed="true"] .dot { background: #e0443a; animation: pulse 1.2s infinite; opacity: 1; }
@keyframes pulse { 50% { opacity: .3; } }

.live { display: grid; grid-template-columns: 220px 1fr; gap: 16px 24px; align-items: center; }
.now { text-align: center; }
.swar-big {
  font-family: Fraunces, Georgia, serif; font-size: 76px; line-height: 1.1; font-weight: 700;
  position: relative; display: inline-block; padding: 18px 6px;
}
.meter { align-self: center; }
.meter-scale { display: flex; justify-content: space-between; font-size: 12px; color: var(--muted); }
.meter-track {
  position: relative; height: 14px; border-radius: 999px; margin-top: 4px;
  background: linear-gradient(90deg, var(--accent-soft), var(--line) 40%, var(--line) 60%, var(--accent-soft));
}
.meter-track::after { content: ""; position: absolute; left: 50%; top: -3px; bottom: -3px; width: 2px; background: var(--muted); }
.needle {
  position: absolute; top: -4px; width: 6px; height: 22px; margin-left: -3px; left: 50%;
  border-radius: 3px; background: var(--accent); transition: left .08s linear, background .2s;
}
.needle.in-tune { background: var(--good); }
#trace { grid-column: 1 / -1; width: 100%; height: 300px; display: block; }

/* Swar tokens with notation marks */
.sw, .swar-big { position: relative; }
.sw { display: inline-block; padding: 10px 3px 8px; font-weight: 600; }
.sw::before, .swar-big::before {
  content: attr(data-top); position: absolute; left: 0; right: 0; top: -2px; text-align: center; line-height: 1; font-size: .7em; font-weight: 700; letter-spacing: 1px;
}
.sw::after, .swar-big::after {
  content: attr(data-bot); position: absolute; left: 0; right: 0; bottom: -2px; text-align: center; line-height: 1; font-size: .8em;
}
.swar-big::before { top: 0; } .swar-big::after { bottom: 0; }
.komal { text-decoration: underline; text-decoration-thickness: 2px; text-underline-offset: 4px; }
.sw.fresh { color: var(--accent); }
.sw.pending { opacity: .75; }
.sw.kan { font-size: .6em; vertical-align: .9em; padding: 0 1px; color: var(--muted); font-weight: 600; }
.sw.kan.komal { text-underline-offset: 2px; text-decoration-thickness: 1.5px; }
.meend { color: var(--accent); font-size: 1.3em; margin: 0 -2px; vertical-align: .15em; }
.controls { grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); }

.transcript { font-size: 20px; line-height: 2.1; min-height: 60px; word-spacing: 2px; }
.transcript .bar { color: var(--muted); padding: 0 8px; }
.transcript .muted { font-size: 15px; }

.legend ul { list-style: none; padding: 0; margin: 0 0 8px; display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 4px 16px; }
.legend li { padding: 6px 0; }
.legend .sw { min-width: 40px; text-align: center; font-size: 18px; }

@media (max-width: 620px) {
  .live { grid-template-columns: 1fr; }
  .swar-big { font-size: 64px; }
  #trace { height: 260px; }
}

/* Tanpura panel */
.tanpura { display: grid; grid-template-columns: auto minmax(230px, 1.3fr) minmax(150px, 1fr) 1fr 1fr; gap: 12px 20px; align-items: end; }
.tanpura .hint { grid-column: 1 / -1; margin: 0; font-size: 13px; }
.tanpura-btn { display: inline-flex; align-items: center; gap: 8px; padding: 10px 16px; font-size: 16px; border-radius: 999px; }
.tanpura.on { border-color: var(--accent); }
.tanpura.on .tanpura-btn svg { animation: strum 2.2s ease-in-out infinite; transform-origin: 50% 90%; }
@keyframes strum { 0%, 100% { transform: rotate(0); } 12% { transform: rotate(-4deg); } 24% { transform: rotate(3deg); } 36% { transform: rotate(0); } }
@media (prefers-reduced-motion: reduce) { .tanpura.on .tanpura-btn svg { animation: none; } }
@media (max-width: 620px) { .tanpura { grid-template-columns: 1fr; } .tanpura-btn { justify-self: start; } }
#tFirst { width: 100%; }
.tanpura .status { margin: 0; font-size: 13px; color: var(--ink); }
.tanpura .status:empty { display: none; }
.row.nowrap { flex-wrap: nowrap; }
.row.nowrap select { flex: 1; min-width: 0; }
.tanpura.rec-mode #tFirst, .tanpura.rec-mode #tSpeed { opacity: .45; }
select:disabled, input:disabled { cursor: not-allowed; }
@media (max-width: 900px) and (min-width: 621px) { .tanpura { grid-template-columns: auto 1fr 1fr; } }

/* Playback */
.btn.play { display: inline-flex; align-items: center; gap: 7px; }
.play-icon { width: 0; height: 0; border-style: solid; border-width: 5px 0 5px 9px; border-color: transparent transparent transparent currentColor; }
.btn.play[aria-pressed="true"] .play-icon { width: 9px; height: 9px; border: 0; background: currentColor; border-radius: 1px; }
.transcript .sw { cursor: pointer; border-radius: 6px; transition: background-color .08s; background: no-repeat center / 100% 1.35em; }
.transcript .sw:hover { background-image: linear-gradient(var(--accent-soft), var(--accent-soft)); }
.transcript .sw.playing { background-image: linear-gradient(var(--accent), var(--accent)); color: #fff; }
.transcript .sw.kan.playing { color: #fff; }
.head-row { flex-wrap: wrap; }