/* PJ17 live interpreter — mobile-first styles.
   Base rules target phones; @media (min-width: 700px) widens for desktop. */

:root {
  --bg: #0f1220;
  --panel: #171b2e;
  --panel-2: #1f2440;
  --text: #f1f2f8;
  --text-dim: #9aa0c0;
  --accent: #5aa9ff;
  --accent-2: #7ee6b8;
  --danger: #ff6b6b;
  --border: #2a2f4d;
  --radius: 14px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", "Noto Sans SC", "Noto Sans JP", sans-serif;
  -webkit-tap-highlight-color: transparent;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.topbar {
  padding: 16px 16px 10px;
  border-bottom: 1px solid var(--border);
}

.title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.topbar h1 {
  font-size: 1.25rem;
  margin: 0 0 4px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.badge {
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  background: var(--accent-2);
  color: #0b2b1e;
  padding: 2px 8px;
  border-radius: 999px;
}

.settings-btn {
  flex: 0 0 auto;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
  font-size: 1.05rem;
  cursor: pointer;
  touch-action: manipulation;
}

.settings-btn[aria-expanded="true"] {
  border-color: var(--accent);
  background: var(--panel-2);
}

.brand-i18n {
  margin: 0 0 4px;
  font-size: 0.76rem;
  color: var(--text-dim);
  letter-spacing: 0.01em;
}

.subtitle {
  margin: 0;
  font-size: 0.82rem;
  color: var(--text-dim);
  line-height: 1.4;
}

main {
  flex: 1;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  width: 100%;
  max-width: 720px;
  margin: 0 auto;
}

/* --- mic control --- */

.controls {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 8px 0 4px;
}

.mic-btn {
  width: 92px;
  height: 92px;
  border-radius: 50%;
  border: 3px solid var(--accent);
  background: var(--panel);
  color: var(--text);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  font-size: 0.72rem;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
  touch-action: manipulation;
}

.mic-btn:active {
  transform: scale(0.96);
}

.mic-icon {
  font-size: 1.9rem;
  line-height: 1;
}

.mic-btn.recording {
  background: linear-gradient(180deg, #3d1620, #2a0f18);
  border-color: var(--danger);
  box-shadow: 0 0 0 8px rgba(255, 107, 107, 0.12);
  animation: pulse 1.6s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 6px rgba(255, 107, 107, 0.10); }
  50% { box-shadow: 0 0 0 14px rgba(255, 107, 107, 0.18); }
}

.status-line {
  margin: 0;
  font-size: 0.82rem;
  color: var(--text-dim);
  text-align: center;
  min-height: 1.2em;
}

/* --- settings --- */

.settings {
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 14px;
}

.settings-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.settings-label {
  font-size: 0.78rem;
  color: var(--text-dim);
  margin-right: 2px;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 7px 12px;
  font-size: 0.85rem;
  cursor: pointer;
  user-select: none;
}

.chip input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--accent);
}

.chip:has(input:checked) {
  border-color: var(--accent);
  background: rgba(90, 169, 255, 0.14);
}

.toggle-chip {
  width: 100%;
  justify-content: flex-start;
}

.settings-hint {
  margin: -4px 0 2px;
  font-size: 0.72rem;
  color: var(--text-dim);
  line-height: 1.4;
}

.experimental-hint {
  color: #ffcf7a;
}

.notice-inline {
  color: var(--danger);
  min-height: 0;
}

.notice-inline:empty {
  display: none;
}

/* --- notices --- */

.notice {
  border-radius: var(--radius);
  padding: 12px 14px;
  font-size: 0.85rem;
  line-height: 1.45;
}

.notice-error {
  background: rgba(255, 107, 107, 0.12);
  border: 1px solid rgba(255, 107, 107, 0.4);
  color: #ffd6d6;
}

.notice p {
  margin: 6px 0 0;
  color: var(--text-dim);
}

.notice code {
  background: rgba(255,255,255,0.08);
  padding: 1px 5px;
  border-radius: 4px;
}

/* --- transcript feed --- */

.transcript {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.interim-line {
  min-height: 1.4em;
  font-style: italic;
  color: var(--text-dim);
  font-size: 0.95rem;
  padding: 0 2px;
}

.feed {
  display: flex;
  flex-direction: column-reverse; /* newest on top */
  gap: 10px;
}

.empty-state {
  text-align: center;
  color: var(--text-dim);
  font-size: 0.85rem;
  padding: 24px 8px;
}

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 14px;
  animation: fadeIn 0.25s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 6px;
  flex-wrap: wrap;
}

.card-header-left,
.card-header-right {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.card-header-right {
  margin-left: auto;
}

.detected-badge {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  background: var(--panel-2);
  border: 1px solid var(--border);
  color: var(--text-dim);
  padding: 2px 8px;
  border-radius: 999px;
  white-space: nowrap;
}

.detected-badge.lang-zh { color: #ffd479; border-color: #7a5a1f; }
.detected-badge.lang-ja { color: #7ee6b8; border-color: #1f6b4a; }
.detected-badge.lang-en { color: #7fb8ff; border-color: #2a4d7a; }
.detected-badge.lang-unknown,
.detected-badge.lang-other { color: var(--text-dim); }

.speaker-badge {
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  background: color-mix(in srgb, var(--speaker-color, var(--text-dim)) 18%, var(--panel-2));
  border: 1px solid var(--speaker-color, var(--border));
  color: var(--speaker-color, var(--text-dim));
  padding: 2px 8px;
  border-radius: 999px;
  white-space: nowrap;
  cursor: help;
}

.latency-tag {
  font-size: 0.66rem;
  color: var(--text-dim);
  white-space: nowrap;
}

.latency-tag.latency-done { color: var(--accent-2); }
.latency-tag.latency-error { color: var(--danger); }

.card-time {
  font-size: 0.68rem;
  color: var(--text-dim);
}

.original-text {
  font-size: 0.98rem;
  line-height: 1.45;
  margin: 0 0 8px;
}

.translations {
  display: flex;
  flex-direction: column;
  gap: 4px;
  border-top: 1px dashed var(--border);
  padding-top: 8px;
}

.translation-row {
  display: flex;
  gap: 8px;
  align-items: baseline;
  font-size: 0.92rem;
  line-height: 1.4;
}

.translation-row .lang-tag {
  flex: 0 0 auto;
  font-size: 0.66rem;
  font-weight: 700;
  color: var(--text-dim);
  background: var(--panel-2);
  border-radius: 5px;
  padding: 1px 5px;
  min-width: 26px;
  text-align: center;
}

.translation-row .translation-text {
  flex: 1 1 auto;
}

.replay-btn {
  flex: 0 0 auto;
  background: none;
  border: none;
  color: var(--accent);
  cursor: pointer;
  font-size: 0.95rem;
  padding: 2px 4px;
  line-height: 1;
}

.card.pending .translations {
  color: var(--text-dim);
  font-style: italic;
}

.card.error .translations {
  color: var(--danger);
}

.footer {
  padding: 14px 16px 22px;
  text-align: center;
  font-size: 0.72rem;
  color: var(--text-dim);
}

.footer a { color: var(--accent); }

/* --- wider screens --- */

@media (min-width: 700px) {
  main { padding: 24px; gap: 20px; }
  .topbar { padding: 22px 24px 14px; }
  .topbar h1 { font-size: 1.5rem; }
  .mic-btn { width: 110px; height: 110px; font-size: 0.78rem; }
  .mic-icon { font-size: 2.2rem; }
}