:root {
  --bg: #0b0e14;
  --card: #131824;
  --line: #232c40;
  --text: #e8edf6;
  --dim: #9aa6bd;
  --ice: #59d6ff;
  --fire: #ff9a3c;
  --grn: #4ade80;
  --red: #f87171;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: radial-gradient(1200px 600px at 50% -10%, #16203266, transparent), var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", sans-serif;
  -webkit-tap-highlight-color: transparent;
}
.topbar { padding: 18px 16px 6px; }
.brand { display: flex; gap: 12px; align-items: center; }
.brand .flame { font-size: 34px; }
.brand h1 { margin: 0; font-size: 20px; letter-spacing: 0.3px; }
.tagline { margin: 2px 0 0; color: var(--dim); font-size: 13px; }

main { padding: 8px 12px 40px; max-width: 560px; margin: 0 auto; }
.hidden { display: none !important; }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px;
  margin: 12px 0;
}
.card h2 { margin: 0 0 10px; font-size: 15px; text-transform: uppercase; letter-spacing: 1.2px; color: var(--ice); }
.card h3 { margin: 12px 0 4px; font-size: 13px; color: var(--dim); font-weight: 600; }
.card-head { display: flex; justify-content: space-between; align-items: center; }
.card-head h2 { margin: 0; }

.row { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.seg, .preset {
  flex: 1; min-width: 90px;
  background: #1b2334; color: var(--text);
  border: 1px solid var(--line); border-radius: 10px;
  padding: 10px 8px; font-size: 14px; cursor: pointer;
}
.seg.active, .preset.active { border-color: var(--fire); color: var(--fire); }
.file-label { text-align: center; }
.status { color: var(--dim); font-size: 13px; margin: 8px 0 0; }
.check { display: block; margin-top: 8px; font-size: 13px; color: var(--dim); }

.bypass {
  background: transparent; color: var(--dim);
  border: 1px solid var(--line); border-radius: 8px;
  padding: 6px 10px; font-size: 12px; cursor: pointer;
}
.bypass.active { color: var(--fire); border-color: var(--fire); }

.ctl { display: block; margin: 8px 0; font-size: 13px; }
.ctl span { display: flex; justify-content: space-between; margin-bottom: 2px; color: var(--dim); }
.ctl b { color: var(--text); font-weight: 600; }
input[type="range"] { width: 100%; accent-color: var(--ice); height: 28px; }

.meter-block { display: flex; align-items: center; gap: 8px; margin: 6px 0; }
.meter-label { width: 28px; font-size: 12px; color: var(--dim); }
.meter { flex: 1; height: 12px; background: #0a0d13; border: 1px solid var(--line); border-radius: 6px; overflow: hidden; }
.meter-fill { height: 100%; width: 0%; transition: width 60ms linear; }
.meter-fill.in { background: linear-gradient(90deg, var(--ice), #2f9dff); }
.meter-fill.out { background: linear-gradient(90deg, var(--fire), #ff5f3c); }
.meter-fill.gr { background: linear-gradient(90deg, var(--grn), #b7f34a); }
.db { width: 64px; text-align: right; font-size: 12px; color: var(--dim); font-variant-numeric: tabular-nums; }

.spec { width: 100%; height: 140px; background: #0a0d13; border: 1px solid var(--line); border-radius: 8px; }
.desc { color: var(--dim); font-size: 13px; margin: 6px 0 4px; }
.diag-row { justify-content: space-between; margin: 8px 0; font-size: 13px; color: var(--dim); }
.diag-row b { color: var(--text); }
.led {
  background: #1b2334; color: var(--grn); border: 1px solid var(--line);
  border-radius: 6px; padding: 3px 10px; font-size: 12px; font-weight: 700; cursor: pointer;
}
.led.hot { color: #0b0e14; background: var(--red); border-color: var(--red); }
.notch-list { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  background: #1b2334; border: 1px solid var(--fire); color: var(--fire);
  border-radius: 16px; padding: 4px 6px 4px 12px; font-size: 12px;
}
.chip-x {
  background: transparent; border: 1px solid var(--fire); color: var(--fire);
  border-radius: 50%; width: 20px; height: 20px; font-size: 12px; line-height: 1; cursor: pointer;
}

.big-btn {
  background: linear-gradient(135deg, #1f6feb, #59d6ff);
  color: #06121f; border: none; border-radius: 12px;
  padding: 14px 22px; font-size: 16px; font-weight: 700; cursor: pointer;
}
.big-btn:disabled { opacity: 0.4; }
.big-btn.rec { background: linear-gradient(135deg, #ff5f3c, var(--fire)); }
.dl {
  display: inline-block; margin-top: 10px; padding: 12px 18px;
  background: #1b2334; color: var(--ice); border: 1px solid var(--ice);
  border-radius: 10px; text-decoration: none; font-weight: 600;
}

.overlay {
  position: fixed; inset: 0; z-index: 10;
  background: rgba(5, 8, 13, 0.92);
  display: flex; align-items: center; justify-content: center; padding: 20px;
}
.overlay-card {
  background: var(--card); border: 1px solid var(--line); border-radius: 16px;
  padding: 26px 22px; max-width: 420px; text-align: center;
}
.overlay-card h2 { margin-top: 0; }
.overlay-card p { color: var(--dim); font-size: 14px; }
.overlay-card .fine { font-size: 12px; }
.overlay-card .big-btn { margin: 12px 0; width: 100%; }

footer { text-align: center; color: var(--dim); font-size: 12px; padding: 16px 8px; }

.suite-picker { display: flex; flex-direction: column; gap: 8px; margin: 12px 0; }
.suite-pick {
  background: #121722; border: 1px solid #2a3348; border-radius: 10px;
  color: var(--text); text-align: left; padding: 10px 12px; cursor: pointer;
  font: inherit;
}
.suite-pick.active { border-color: var(--fire); }
.suite-pick-name { font-weight: 700; font-size: 15px; }
.suite-pick-desc { font-size: 13px; color: var(--dim); margin-top: 4px; }
.suite-pick-meta { font-size: 12px; color: var(--dim); margin-top: 6px; }