:root {
  color-scheme: light dark;
  --bg: #f5f5f4;
  --sf: #ffffff;
  --sf2: #fafaf9;
  --hov: #f2f2f1;
  --bd: #e7e7e5;
  --bd2: #d6d6d3;
  --fg: #18181b;
  --fg2: #52525b;
  --mu: #8a8a92;
  --inv: #18181b;
  --invfg: #ffffff;
  --chip: #f0f0ee;
  --ok: #15803d;
  --okbg: #e9f6ee;
  --bad: #c62828;
  --badbg: #fdecec;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f0f11;
    --sf: #18181b;
    --sf2: #1d1d21;
    --hov: #222226;
    --bd: #2a2a2f;
    --bd2: #3a3a40;
    --fg: #f1f1f2;
    --fg2: #b4b4bb;
    --mu: #80808a;
    --inv: #f1f1f2;
    --invfg: #18181b;
    --chip: #26262b;
    --ok: #4ade80;
    --okbg: #14301f;
    --bad: #f87171;
    --badbg: #3a1616;
  }
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  background: var(--bg);
  color: var(--fg);
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
}

.app {
  max-width: 480px;
  margin: 0 auto;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--bd);
  background: var(--sf);
}

.brand {
  font-weight: 700;
  font-size: 15px;
  letter-spacing: -0.01em;
}

.env-badge {
  margin-left: 6px;
  padding: 2px 7px;
  border-radius: 999px;
  background: #f5a623;
  color: #1a1a1a;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  vertical-align: middle;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.link-btn {
  background: none;
  border: none;
  color: var(--mu);
  font-size: 13px;
  cursor: pointer;
}

.view {
  padding: 24px 20px 40px;
  flex: 1;
}

.hidden { display: none !important; }

h1 {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 0 0 6px;
}

.muted {
  color: var(--fg2);
  font-size: 13.5px;
  line-height: 1.5;
}

form {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 20px;
}

label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 13px;
  font-weight: 500;
  color: var(--fg2);
}

input {
  background: var(--sf);
  border: 1px solid var(--bd2);
  border-radius: 8px;
  padding: 12px 14px;
  color: var(--fg);
  font-size: 16px;
  font-family: inherit;
}

input:focus-visible {
  outline: 2px solid var(--fg);
  outline-offset: 2px;
}

button.primary, a.primary {
  background: var(--inv);
  color: var(--invfg);
  border: none;
  border-radius: 8px;
  padding: 14px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  text-align: center;
  text-decoration: none;
  display: block;
}

button.secondary {
  background: var(--sf);
  color: var(--fg);
  border: 1px solid var(--bd2);
  border-radius: 8px;
  padding: 14px;
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
}

button.primary:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.error {
  color: var(--bad);
  background: var(--badbg);
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 13.5px;
  margin-top: 12px;
}

.warning {
  color: var(--fg);
  font-size: 13.5px;
  margin-top: 12px;
  padding: 10px 12px;
  background: var(--chip);
  border-radius: 8px;
}

.record-area {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  margin-top: 56px;
}

.record-btn {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  border: none;
  background: var(--bad);
  color: #fff;
  font-size: 24px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.record-btn.recording {
  animation: pulse 1.4s infinite;
}

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(198, 40, 40, 0.4); }
  70% { box-shadow: 0 0 0 18px rgba(198, 40, 40, 0); }
  100% { box-shadow: 0 0 0 0 rgba(198, 40, 40, 0); }
}

.card {
  background: var(--sf);
  border: 1px solid var(--bd);
  border-radius: 12px;
  padding: 16px;
  margin-top: 16px;
  font-size: 13.5px;
  line-height: 1.7;
  box-shadow: 0 1px 2px rgba(0,0,0,.04), 0 1px 3px rgba(0,0,0,.04);
}

.card dt {
  color: var(--mu);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-top: 10px;
}

.card dt:first-child { margin-top: 0; }

.card dd {
  margin: 2px 0 0;
  font-weight: 500;
}

.button-row {
  display: flex;
  gap: 12px;
  margin-top: 20px;
}

.button-row button { flex: 1; }

.download-link {
  margin-top: 16px;
}

.followup {
  margin-top: 16px;
}

.ambiguity {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 14px;
}

.ambiguity-title {
  font-weight: 600;
  font-size: 14px;
}

.ambiguity .small {
  font-size: 12.5px;
  white-space: pre-line;
}

.followup button {
  margin-top: 14px;
  width: 100%;
}

#retryPanel audio {
  width: 100%;
  margin: 8px 0;
}