/* ============================================================
   Smart TTS – Frontend Styles
   ============================================================ */

:root {
  --stts-color: #2563EB;
}

/* ── Widget wrapper ────────────────────────────────────────── */
.smart-tts-widget {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 14px 0;
  font-family: inherit;
  -webkit-font-smoothing: antialiased;
}

/* ── Base button reset ─────────────────────────────────────── */
.smart-tts-widget .stts-btn {
  all: unset;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  line-height: 1;
  transition: background 0.18s, color 0.18s, box-shadow 0.18s, transform 0.1s;
  user-select: none;
  -webkit-user-select: none;
}

.smart-tts-widget .stts-btn:focus-visible {
  outline: 3px solid var(--stts-color);
  outline-offset: 3px;
}

.smart-tts-widget .stts-btn:active {
  transform: scale(0.96);
}

/* ── STYLE: pill ───────────────────────────────────────────── */
.stts-style-pill .stts-play {
  background: var(--stts-color);
  color: #fff;
  padding: 9px 18px 9px 14px;
  border-radius: 100px;
  box-shadow: 0 2px 8px color-mix(in srgb, var(--stts-color) 35%, transparent);
}

.stts-style-pill .stts-play:hover {
  filter: brightness(1.1);
  box-shadow: 0 4px 14px color-mix(in srgb, var(--stts-color) 45%, transparent);
}

.stts-style-pill .stts-stop {
  color: #6b7280;
  padding: 6px;
  border-radius: 50%;
  border: 1.5px solid #d1d5db;
}

.stts-style-pill .stts-stop:hover {
  color: #ef4444;
  border-color: #ef4444;
  background: #fef2f2;
}

/* ── STYLE: square ─────────────────────────────────────────── */
.stts-style-square .stts-play {
  background: var(--stts-color);
  color: #fff;
  padding: 10px 20px 10px 16px;
  border-radius: 6px;
  box-shadow: 0 1px 4px rgba(0,0,0,.15);
}

.stts-style-square .stts-play:hover {
  filter: brightness(1.08);
}

.stts-style-square .stts-stop {
  color: #6b7280;
  padding: 8px;
  border-radius: 6px;
  border: 1.5px solid #d1d5db;
}

.stts-style-square .stts-stop:hover {
  color: #ef4444;
  border-color: #ef4444;
  background: #fef2f2;
}

/* ── STYLE: minimal ────────────────────────────────────────── */
.stts-style-minimal .stts-play {
  color: var(--stts-color);
  padding: 4px 2px;
  border-bottom: 2px solid transparent;
}

.stts-style-minimal .stts-play:hover {
  border-bottom-color: var(--stts-color);
}

.stts-style-minimal .stts-stop {
  color: #9ca3af;
}

.stts-style-minimal .stts-stop:hover {
  color: #ef4444;
}

/* ── Progress bar ──────────────────────────────────────────── */
.stts-progress-wrap {
  display: none;
  width: 80px;
  height: 4px;
  background: #e5e7eb;
  border-radius: 100px;
  overflow: hidden;
  flex-shrink: 0;
}

.stts-progress-bar {
  display: block;
  height: 100%;
  width: 0%;
  background: var(--stts-color);
  border-radius: 100px;
  transition: width 0.3s linear;
}

.smart-tts-widget.stts-playing .stts-progress-wrap {
  display: block;
}

/* ── Language badge ────────────────────────────────────────── */
.stts-lang-badge {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.05em;
  padding: 2px 7px;
  border-radius: 100px;
  background: #f3f4f6;
  color: #6b7280;
  border: 1px solid #e5e7eb;
  text-transform: uppercase;
}

.stts-lang-badge.stts-lang-id {
  background: #ecfdf5;
  color: #059669;
  border-color: #a7f3d0;
}

.stts-lang-badge.stts-lang-en {
  background: #eff6ff;
  color: #2563eb;
  border-color: #bfdbfe;
}

/* ── Stop button hidden when idle ──────────────────────────── */
.smart-tts-widget .stts-stop {
  display: none;
}

.smart-tts-widget.stts-playing .stts-stop,
.smart-tts-widget.stts-paused  .stts-stop {
  display: inline-flex;
}

/* ── Error state ───────────────────────────────────────────── */
.smart-tts-widget.stts-error .stts-play {
  opacity: 0.5;
  pointer-events: none;
}

.stts-unsupported-msg {
  font-size: 13px;
  color: #9ca3af;
  font-style: italic;
}

/* ── Responsive ────────────────────────────────────────────── */
@media (max-width: 480px) {
  .stts-progress-wrap {
    width: 50px;
  }
  .smart-tts-widget .stts-btn {
    font-size: 13px;
  }
}

/* ── Reduced motion ────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  .smart-tts-widget .stts-btn,
  .stts-progress-bar {
    transition: none;
  }
}