/* Palette: "proof sheet" — warm newsprint, carbon ink, one rust accent */
:root {
  --bg: #f4f1ea;
  --panel: #fbfaf6;
  --ink: #1c1b19;
  --muted: #6f6a60;
  --line: #d9d3c6;
  --accent: #b5441b;
  --accent-ink: #fff8f2;
  --wave: #1c1b19;
  --wave-dim: #c9c1b1;
  --h: 34px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #161513; --panel: #1e1d1a; --ink: #ece7dc; --muted: #9c958a; --line: #34312c;
    --accent: #d8693f; --accent-ink: #1a0f0a; --wave: #ece7dc; --wave-dim: #4a463f; color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #161513; --panel: #1e1d1a; --ink: #ece7dc; --muted: #9c958a; --line: #34312c;
  --accent: #d8693f; --accent-ink: #1a0f0a; --wave: #ece7dc; --wave-dim: #4a463f; color-scheme: dark;
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--ink); }
body { font: 14px/1.45 ui-sans-serif, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; }
main { max-width: 760px; margin: 0 auto; padding: 18px 16px 28px; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

header { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.title { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; }
h1 { font-size: 20px; margin: 0; letter-spacing: -0.01em; }
h1 span { color: var(--muted); font-weight: 500; }
.src { font: 12px ui-monospace, SFMono-Regular, Menlo, monospace; }
.chip { display: inline-flex; align-items: center; gap: 6px; height: 24px; padding: 0 8px; border: 1px solid var(--line);
  border-radius: 4px; font: 12px ui-monospace, SFMono-Regular, Menlo, monospace; color: var(--muted); background: var(--panel); }
.chip i { width: 7px; height: 7px; border-radius: 50%; background: var(--muted); }
.chip.ok i { background: #3f8a4a; }
.chip.warn i { background: var(--accent); }
.lede { color: var(--muted); margin: 6px 0 14px; }

section, details { background: var(--panel); border: 1px solid var(--line); border-radius: 6px; padding: 12px; margin-bottom: 10px; }
.loader .loadhead { display: flex; justify-content: space-between; font-size: 13px; margin-bottom: 6px; }
.file { display: grid; grid-template-columns: 1fr auto; gap: 2px 10px; font: 12px ui-monospace, SFMono-Regular, Menlo, monospace; color: var(--muted); margin-top: 6px; }
.bar { grid-column: 1 / -1; height: 4px; background: var(--line); border-radius: 2px; overflow: hidden; }
.bar b { display: block; height: 100%; width: 0; background: var(--accent); }
.loader.done { display: none; }

.tabs { display: flex; gap: 4px; margin-bottom: 8px; }
.tab { height: 26px; padding: 0 10px; font-size: 12px; background: transparent; border: 1px solid transparent; color: var(--muted); }
.tab.on { border-color: var(--line); color: var(--ink); background: var(--bg); }
textarea { width: 100%; resize: vertical; min-height: 96px; padding: 10px; font: 15px/1.5 inherit; font-family: inherit;
  color: var(--ink); background: var(--bg); border: 1px solid var(--line); border-radius: 4px; }
textarea.ipa { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 14px; }
textarea:focus, select:focus, input:focus, button:focus-visible { outline: 2px solid var(--accent); outline-offset: -1px; }

.row { display: flex; align-items: center; gap: 8px; margin-top: 8px; flex-wrap: wrap; }
.grow { flex: 1; }
button, .btn, select, input[type="number"] {
  height: var(--h); padding: 0 12px; border-radius: 4px; border: 1px solid var(--line); background: var(--panel);
  color: var(--ink); font: 13px inherit; font-family: inherit; cursor: pointer; display: inline-flex; align-items: center; }
button:disabled { opacity: 0.45; cursor: default; }
button.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); font-weight: 600; padding: 0 18px; }
button.ghost { background: transparent; }
select { padding-right: 6px; }
.btn[aria-disabled="true"] { opacity: 0.45; pointer-events: none; }
.btn:hover { text-decoration: none; }

.out canvas { width: 100%; height: 72px; display: block; background: var(--bg); border: 1px solid var(--line); border-radius: 4px; }
audio { flex: 1; min-width: 200px; height: var(--h); }
.stats { margin-top: 8px; font: 12px ui-monospace, SFMono-Regular, Menlo, monospace; color: var(--muted); }
.chunks { margin: 8px 0 0; padding: 0; list-style: none; max-height: 180px; overflow: auto; }
.chunks li { display: grid; grid-template-columns: 1fr auto; gap: 0 10px; padding: 5px 0; border-top: 1px solid var(--line); font-size: 12px; }
.chunks li .ph { grid-column: 1 / -1; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; color: var(--muted); word-break: break-word; }
.chunks li .t { color: var(--muted); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }
.chunks:empty { display: none; }

summary { cursor: pointer; font-weight: 600; font-size: 13px; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); gap: 12px 18px; margin-top: 10px; }
.grid > label { display: flex; flex-direction: column; gap: 4px; font-size: 12px; color: var(--muted); }
.grid > label > output { position: absolute; }
.grid label { position: relative; }
.grid > label > output { right: 0; top: 0; color: var(--ink); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }
input[type="range"] { width: 100%; accent-color: var(--accent); height: 20px; margin: 0; }
.inline { display: flex; gap: 8px; align-items: center; }
.inline input[type="number"] { width: 100px; cursor: text; }
.check { display: inline-flex; align-items: center; gap: 4px; color: var(--ink); font-size: 12px; }
.grid select { width: 100%; }
.note { color: var(--muted); font-size: 12px; margin: 10px 0 0; }

footer { color: var(--muted); font-size: 12px; text-align: center; margin-top: 14px; }
@media (max-width: 520px) {
  main { padding: 12px 16px 24px; }
  #toPhon { display: none; }
}