:root {
  --bg: #0f1115;
  --panel: #181b22;
  --border: #2a2f3a;
  --text: #e8eaf0;
  --muted: #9aa3b2;
  --accent: #e8b931;
  --accent-text: #1a1505;
  --ok: #4cc38a;
  --err: #e5534b;
}

* { box-sizing: border-box; }

/* The `hidden` attribute must win over element display rules (e.g. the
   cooldown's display:flex), otherwise hidden elements still show. */
[hidden] { display: none !important; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border);
}

h1 { margin: 0; font-size: 1.3rem; }
.tagline { margin: 0; color: var(--muted); font-size: 0.85rem; }

.session { display: flex; align-items: center; gap: 0.75rem; }
.email { color: var(--muted); font-size: 0.85rem; }
.session a { color: var(--accent); font-size: 0.85rem; }

.pill {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.25rem 0.8rem;
  font-size: 0.85rem;
}
.pill.zero { border-color: var(--err); color: var(--err); }

.banner {
  background: #3a2020;
  border-bottom: 1px solid var(--err);
  color: #f0c0bc;
  padding: 0.6rem 1.5rem;
  font-size: 0.9rem;
}

main { max-width: 860px; margin: 0 auto; padding: 1rem 1.5rem 3rem; }

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.1rem 1.25rem;
  margin-top: 1rem;
}

.panel h2 { margin: 0 0 0.75rem; font-size: 1rem; }

label { display: block; font-weight: 600; font-size: 0.9rem; margin: 0.9rem 0 0.3rem; }
label:first-child { margin-top: 0; }
.hint { font-weight: 400; color: var(--muted); }

textarea, input[type="text"] {
  width: 100%;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.6rem 0.7rem;
  font: inherit;
  resize: vertical;
}
textarea:focus, input:focus { outline: none; border-color: var(--accent); }

.voice-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
  gap: 0.5rem;
}

.voice-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.4rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.5rem 0.6rem;
  cursor: pointer;
  font-size: 0.85rem;
}
.voice-card:hover { border-color: var(--muted); }
.voice-card.selected { border-color: var(--accent); background: #221d0e; }
.voice-meta { min-width: 0; flex: 1; }
.voice-card .vname { font-weight: 600; display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.voice-card .vstyle { color: var(--muted); font-size: 0.75rem; display: block; }

.preview-btns { flex: none; display: flex; gap: 0.3rem; }

.play-btn {
  flex: none;
  width: 28px; height: 28px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
  cursor: pointer;
  font-size: 0.7rem;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  padding: 0 0 0 1px; /* ▶ glyph carries left bearing; nudge to optical center */
}
.play-btn:hover:not(:disabled) { border-color: var(--accent); color: var(--accent); }
.play-btn:disabled { opacity: 0.3; cursor: default; }
.play-btn.playing { background: var(--accent); color: var(--accent-text); }

/* Labeled TL/EN variant: auto width, symmetric padding (no lone-glyph nudge). */
.play-btn.lang {
  width: auto;
  padding: 0 0.4rem;
  gap: 0.2rem;
  font-size: 0.65rem;
  font-weight: 700;
}

.note-shortcuts { display: flex; flex-wrap: wrap; gap: 0.35rem; margin: 0.3rem 0 0.5rem; }
.chip {
  font-size: 0.75rem;
  font-weight: 500;
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--muted);
}
.chip:hover { border-color: var(--accent); color: var(--accent); }

.iterate-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.75rem;
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
  border: 1px solid var(--accent);
  color: var(--accent);
  font-size: 0.8rem;
}
.iterate-chip button {
  background: none;
  border: none;
  color: inherit;
  padding: 0;
  font-size: 0.85rem;
  cursor: pointer;
  font-weight: 700;
}

.history-row .iterate-btn {
  grid-column: 1 / -1;
  justify-self: start;
  margin-top: 0.15rem;
  font-size: 0.7rem;
  padding: 0.2rem 0.55rem;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--accent);
  font-weight: 600;
}
.history-row .iterate-btn:hover { border-color: var(--accent); }
.history-row .parent-audio { grid-column: 1 / -1; margin-top: 0.2rem; }
.history-row .parent-audio .parent-label { display: block; color: var(--muted); font-size: 0.7rem; margin-bottom: 0.15rem; }
.history-row .parent-audio audio { margin: 0; }

.generate-row { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; }

button {
  font: inherit;
  font-weight: 600;
  border: none;
  border-radius: 8px;
  padding: 0.6rem 1.6rem;
  background: var(--accent);
  color: var(--accent-text);
  cursor: pointer;
}
button:disabled { opacity: 0.4; cursor: default; }

.cooldown { display: flex; align-items: center; gap: 0.6rem; color: var(--muted); font-size: 0.8rem; }
.cooldown-bar {
  width: 120px; height: 6px;
  border-radius: 3px;
  background: var(--border);
  overflow: hidden;
  position: relative;
}
.cooldown-bar::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--accent);
  transform-origin: left;
  animation: drain 6s linear forwards;
}
@keyframes drain { from { transform: scaleX(1); } to { transform: scaleX(0); } }

.status { color: var(--muted); font-size: 0.85rem; }
.status.err { color: var(--err); }
.status.ok { color: var(--ok); }

audio { width: 100%; margin-top: 0.25rem; }

.result-meta { display: flex; gap: 1rem; align-items: center; margin-top: 0.5rem; font-size: 0.85rem; color: var(--muted); }
.result-meta a { color: var(--accent); }

.history-row {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 0.3rem 1rem;
  align-items: center;
  border-top: 1px solid var(--border);
  padding: 0.6rem 0;
  font-size: 0.85rem;
}
.history-row:first-child { border-top: none; }
.history-row .meta { color: var(--muted); font-size: 0.75rem; }
.history-row audio { grid-column: 1 / -1; height: 32px; margin: 0; }
.history-row a { color: var(--accent); }
.history-row .snip { color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 420px; }
.badge { font-size: 0.7rem; padding: 0.1rem 0.5rem; border-radius: 999px; border: 1px solid var(--border); }
.badge.success { color: var(--ok); border-color: var(--ok); }
.badge.error { color: var(--err); border-color: var(--err); }

footer { text-align: center; color: var(--muted); font-size: 0.75rem; padding: 1rem; }

/* Admin */
.settings-grid { display: grid; gap: 0.9rem; }
.model-option { display: flex; align-items: center; gap: 0.5rem; }
.cap-row { display: flex; align-items: center; gap: 0.6rem; font-size: 0.9rem; }
.cap-row input { width: 90px; }
table { width: 100%; border-collapse: collapse; font-size: 0.8rem; }
th, td { text-align: left; padding: 0.4rem 0.5rem; border-top: 1px solid var(--border); vertical-align: top; }
th { color: var(--muted); font-weight: 600; border-top: none; }
details summary { cursor: pointer; color: var(--accent); }
details pre { white-space: pre-wrap; background: var(--bg); padding: 0.5rem; border-radius: 6px; }
.preview-status { display: flex; flex-wrap: wrap; gap: 0.35rem; margin-top: 0.5rem; }
.preview-chip { font-size: 0.75rem; padding: 0.15rem 0.6rem; border-radius: 999px; border: 1px solid var(--border); }
.preview-chip.have { color: var(--ok); border-color: var(--ok); }
.preview-chip.partial { color: var(--accent); border-color: var(--accent); }
.preview-chip.missing { color: var(--muted); }