:root {
  --bg: #f5f5f5;
  --card: #ffffff;
  --text: #242424;
  --text-sub: #616161;
  --brand: #5b5fc7;
  --brand-strong: #4f52b2;
  --good: #13a10e;
  --warn: #f7630c;
  --bad: #c50f1f;
  --line: #e0e0e0;
  --meter-track: #eef0f4;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(0,0,0,.08), 0 2px 8px rgba(0,0,0,.06);
  font-family: "Segoe UI", -apple-system, system-ui, sans-serif;
}

/* Teams themes */
body.theme-dark {
  --bg: #1f1f1f; --card: #2d2c2c; --text: #ffffff; --text-sub: #adadad;
  --brand: #7f85f5; --brand-strong: #9299f7; --line: #3d3d3d; --meter-track: #3d3d3d;
}
body.theme-contrast {
  --bg: #000000; --card: #000000; --text: #ffffff; --text-sub: #ffffff;
  --brand: #ffff01; --brand-strong: #ffff01; --good: #3ff23f; --warn: #ffff01; --bad: #ff5f5f;
  --line: #ffffff; --meter-track: #1a1a1a;
}

* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body {
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.45;
}

.panel {
  max-width: 420px;
  margin: 0 auto;
  padding: 16px 16px 20px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-height: 100%;
}

/* Header */
.hdr { display: flex; align-items: center; gap: 12px; }
.hdr-badge {
  width: 44px; height: 44px; border-radius: 12px;
  display: grid; place-items: center; font-size: 22px;
  background: linear-gradient(135deg, var(--brand), var(--brand-strong));
  flex: 0 0 auto;
}
.hdr-title { margin: 0; font-size: 18px; font-weight: 600; }
.hdr-sub { margin: 2px 0 0; font-size: 12.5px; color: var(--text-sub); }

/* Cards */
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px;
}
.lead { margin: 0 0 14px; color: var(--text-sub); }

/* Buttons */
.btn {
  font: inherit; font-weight: 600; cursor: pointer;
  border-radius: 8px; padding: 9px 16px; border: 1px solid transparent;
  transition: background .15s, border-color .15s, transform .05s;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--brand); color: #fff; width: 100%; }
.btn-primary:hover { background: var(--brand-strong); }
.btn-ghost { background: transparent; color: var(--text); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--brand); color: var(--brand); }

.hint { margin: 12px 0 0; font-size: 12px; color: var(--text-sub); }

/* Verdict banner */
.verdict {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 12px; border-radius: 8px; margin-bottom: 14px;
  font-weight: 600; font-size: 15px;
  background: color-mix(in srgb, var(--text-sub) 10%, transparent);
}
.verdict-dot { width: 12px; height: 12px; border-radius: 50%; background: var(--text-sub); flex: 0 0 auto; }
.verdict[data-state="good"] { background: color-mix(in srgb, var(--good) 15%, transparent); color: var(--good); }
.verdict[data-state="good"] .verdict-dot { background: var(--good); box-shadow: 0 0 0 4px color-mix(in srgb, var(--good) 25%, transparent); }
.verdict[data-state="quiet"] { background: color-mix(in srgb, var(--warn) 15%, transparent); color: var(--warn); }
.verdict[data-state="quiet"] .verdict-dot { background: var(--warn); }
.verdict[data-state="silent"] { background: color-mix(in srgb, var(--bad) 15%, transparent); color: var(--bad); }
.verdict[data-state="silent"] .verdict-dot { background: var(--bad); }

/* Meter */
.meter {
  position: relative; height: 20px; border-radius: 10px;
  background: var(--meter-track); overflow: hidden;
  border: 1px solid var(--line);
}
.meter-fill {
  height: 100%; width: 0%;
  background: linear-gradient(90deg, var(--good), #7bd327 55%, var(--warn) 85%, var(--bad));
  border-radius: 10px; transition: width .06s linear;
}
.meter-threshold {
  position: absolute; top: -2px; bottom: -2px; left: 18%;
  width: 2px; background: var(--text-sub); opacity: .5;
}
.meter-scale {
  display: flex; justify-content: space-between;
  font-size: 11px; color: var(--text-sub); margin-top: 5px;
}

/* Teams speaking signal */
.teams-signal {
  display: flex; align-items: center; gap: 8px;
  margin: 14px 0 0; font-size: 12.5px; color: var(--text-sub);
}
.ts-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--good); }

.live-actions {
  display: flex; align-items: center; justify-content: space-between;
  margin-top: 16px; gap: 12px;
}
.device { font-size: 11.5px; color: var(--text-sub); text-align: right; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* Footer */
.foot { margin-top: auto; }
.status { margin: 0 0 6px; font-size: 12px; color: var(--text-sub); }
.privacy { margin: 0; font-size: 11.5px; color: var(--text-sub); }

@media (prefers-reduced-motion: reduce) {
  .meter-fill { transition: none; }
}