:root {
  --bg: #f4f5f7;
  --card: #ffffff;
  --text: #1c2129;
  --muted: #5d6673;
  --line: #dde1e7;
  --accent: #2f5d8a;
  --accent-text: #ffffff;
  --accent-soft: #e6eef6;
  --rec: #c0392b;
  --warn-bg: #fff6e0;
  --warn-line: #e9c46a;
  --err: #b42318;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14171c;
    --card: #1d2128;
    --text: #e6e9ee;
    --muted: #9aa3af;
    --line: #2e343d;
    --accent: #7fb0e0;
    --accent-text: #0f1720;
    --accent-soft: #233243;
    --rec: #ff6b5b;
    --warn-bg: #2d2717;
    --warn-line: #8a7230;
    --err: #ff8a80;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
.wrap { max-width: 760px; margin: 0 auto; padding: 24px 16px 40px; }
h1 { font-size: 1.7rem; margin: 0 0 8px; letter-spacing: -0.01em; }
h2 { font-size: 1.15rem; margin: 0 0 12px; display: flex; align-items: center; gap: 10px; }
.num {
  display: inline-grid; place-items: center; width: 26px; height: 26px; border-radius: 50%;
  background: var(--accent); color: var(--accent-text); font-size: 0.85rem; font-weight: 700; flex: none;
}
.lead { margin: 0 0 6px; }
.privacy-line { margin: 0 0 18px; color: var(--muted); font-size: 0.93rem; }
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: 12px;
  padding: 18px 18px 16px; margin: 0 0 14px;
}
.methods { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.method {
  border: 1.5px solid var(--line); border-radius: 10px; padding: 10px 12px; cursor: pointer;
  background: transparent; color: inherit; text-align: left; font: inherit;
}
.method b { display: block; font-size: 1.02rem; }
.method span { color: var(--muted); font-size: 0.85rem; }
.method[aria-checked="true"] { border-color: var(--accent); background: var(--accent-soft); }
.method:focus-visible, .btn:focus-visible, .link:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.summary { margin: 12px 0 8px; }
.note {
  margin: 0; padding: 10px 12px; border-radius: 8px; background: var(--warn-bg);
  border-left: 4px solid var(--warn-line); font-size: 0.93rem;
}
.note b { display: block; }
.params { display: grid; gap: 14px; }
.param { border-top: 1px solid var(--line); padding-top: 12px; }
.param:first-child { border-top: 0; padding-top: 0; }
.param-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.param-head label { font-weight: 600; }
.val { font-variant-numeric: tabular-nums; color: var(--accent); font-weight: 600; }
.param input[type="range"] { width: 100%; margin: 8px 0 4px; accent-color: var(--accent); }
.param select {
  margin: 8px 0 4px; font: inherit; padding: 6px 8px; border-radius: 8px; border: 1px solid var(--line);
  background: var(--card); color: var(--text); max-width: 100%;
}
.param .check { display: flex; gap: 10px; align-items: center; font-weight: 600; cursor: pointer; }
.param .check input { width: 20px; height: 20px; accent-color: var(--accent); }
.param.disabled input[type="range"], .param.disabled select { opacity: 0.45; }
.desc { margin: 4px 0 0; padding: 0; list-style: none; font-size: 0.9rem; color: var(--muted); }
.desc li { margin: 3px 0; }
.desc b { color: var(--text); font-weight: 600; }
.rec-row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.btn {
  font: inherit; font-weight: 600; padding: 10px 18px; border-radius: 10px; border: 1.5px solid var(--line);
  background: var(--card); color: var(--text); cursor: pointer;
}
.btn:disabled { opacity: 0.45; cursor: default; }
.btn.primary { background: var(--rec); border-color: var(--rec); color: #fff; }
.btn.recording { animation: pulse 1.2s ease-in-out infinite; }
@keyframes pulse { 50% { opacity: 0.65; } }
@media (prefers-reduced-motion: reduce) { .btn.recording { animation: none; } }
.timer { font-variant-numeric: tabular-nums; font-size: 1.1rem; margin-left: 4px; }
.bar { height: 6px; background: var(--line); border-radius: 3px; margin: 12px 0 6px; overflow: hidden; }
#bar-fill { height: 100%; width: 0; background: var(--rec); transition: width 0.2s linear; }
.hint { color: var(--muted); font-size: 0.88rem; margin: 4px 0 0; }
.hint.inline { margin-left: 8px; }
.status { margin: 8px 0 0; min-height: 1.5em; }
.status.error { color: var(--err); }
.players { display: grid; gap: 12px; margin-bottom: 14px; }
.player { display: flex; align-items: center; gap: 12px; }
.player audio { width: 100%; min-width: 0; }
.tag {
  flex: none; width: 70px; text-align: center; font-weight: 700; padding: 4px 0; border-radius: 6px;
  background: var(--line);
}
.tag.after { background: var(--accent); color: var(--accent-text); }
.link {
  margin-left: auto; font: inherit; font-size: 0.85rem; font-weight: 400; color: var(--accent);
  background: none; border: 0; cursor: pointer; padding: 0; text-decoration: underline;
}
footer { color: var(--muted); font-size: 0.85rem; margin-top: 18px; }
@media (max-width: 560px) {
  .methods { grid-template-columns: 1fr; }
  .wrap { padding-top: 16px; }
  .player { flex-direction: column; align-items: stretch; gap: 6px; }
  .tag { width: auto; }
  .hint.inline { display: block; margin: 8px 0 0; }
}