/* ===========================================================
   ligardi-tts-widget
   ===========================================================
   Universal floating audio player for any book on ligardi.ru.
   Theme-aware (reacts to data-theme="light|dark" on <html>).
   Auto-mounts when LigardiTTS.mount() is called or when
   <body data-tts="auto"> is set.
   =========================================================== */
.ltts-fab,
.ltts-bar,
.ltts-bar * {
  box-sizing: border-box;
  font-family: 'IBM Plex Mono', system-ui, -apple-system, sans-serif;
}

/* ----- Floating play button (collapsed state) ----- */
.ltts-fab {
  position: fixed;
  top: 16px;
  top: max(16px, env(safe-area-inset-top, 16px));
  right: 64px;          /* sits left of .theme-toggle (right:18px, w:38px) */
  z-index: 95;
  width: 38px; height: 38px;
  border-radius: 50%;
  border: 1px solid var(--ltts-rule, #2a3340);
  background: var(--ltts-bg, #161c25);
  color: var(--ltts-fg, #e8dcc4);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--ltts-shadow, 0 2px 8px rgba(0,0,0,0.18));
  transition: transform .25s, border-color .25s, background .25s, color .25s;
}
.ltts-fab:hover {
  transform: rotate(-12deg);
  border-color: var(--ltts-accent, #d96b7a);
  color: var(--ltts-accent, #d96b7a);
}
.ltts-fab svg {
  width: 18px; height: 18px;
}
.ltts-fab.hidden { display: none; }

/* Inline mode — when mounted inside a topbar slot */
.ltts-fab.ltts-fab--inline {
  position: static;
  top: auto; right: auto; bottom: auto; left: auto;
  width: 34px; height: 34px;
  box-shadow: none;
  display: inline-flex;
  vertical-align: middle;
}
.ltts-fab.ltts-fab--inline svg {
  width: 16px; height: 16px;
}
.ltts-fab.ltts-fab--inline:hover {
  transform: scale(1.08);
}

/* ----- Player bar (expanded state) ----- */
.ltts-bar {
  position: fixed;
  left: 12px;
  right: 12px;
  bottom: 12px;
  z-index: 95;
  max-width: 560px;
  margin: 0 auto;
  padding: 10px 12px;
  background: var(--ltts-bg, #161c25);
  border: 1px solid var(--ltts-rule, #2a3340);
  border-radius: 14px;
  box-shadow: 0 10px 38px rgba(0,0,0,0.42);
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  color: var(--ltts-fg, #e8dcc4);
  letter-spacing: 0.02em;
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  transform: translateY(140%);
  opacity: 0;
  transition: transform .35s cubic-bezier(0.16, 1, 0.3, 1), opacity .25s;
  pointer-events: none;
}
.ltts-bar.open {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}
.ltts-bar.hidden { display: none; }

.ltts-btn {
  border: 1px solid var(--ltts-rule, #2a3340);
  background: transparent;
  color: var(--ltts-fg, #e8dcc4);
  width: 38px; height: 38px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: border-color .2s, color .2s, background .2s;
  flex-shrink: 0;
}
.ltts-btn:hover {
  border-color: var(--ltts-accent, #d96b7a);
  color: var(--ltts-accent, #d96b7a);
}
.ltts-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
  pointer-events: none;
}
.ltts-btn svg { width: 16px; height: 16px; }
.ltts-btn.play { width: 44px; height: 44px; }
.ltts-btn.play svg { width: 18px; height: 18px; }

.ltts-controls {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}

.ltts-meta {
  min-width: 0;
  padding: 0 4px;
}
.ltts-status {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ltts-mute, #a59885);
  margin-bottom: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.ltts-progress {
  height: 4px;
  background: var(--ltts-rule, #2a3340);
  border-radius: 2px;
  overflow: hidden;
  position: relative;
}
.ltts-progress-fill {
  position: absolute;
  inset: 0;
  width: 0%;
  background: linear-gradient(90deg, var(--ltts-bronze, #d4a85f), var(--ltts-accent, #d96b7a));
  transition: width 120ms linear;
}
.ltts-progress-buffer {
  position: absolute;
  inset: 0;
  width: 0%;
  background: var(--ltts-rule-strong, #3a4555);
  opacity: 0.6;
}

.ltts-aux {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
}
.ltts-aux select,
.ltts-aux .ltts-speed {
  background: transparent;
  border: 1px solid var(--ltts-rule, #2a3340);
  color: var(--ltts-fg, #e8dcc4);
  font-family: inherit;
  font-size: 11px;
  padding: 5px 7px;
  border-radius: 6px;
  cursor: pointer;
  outline: none;
}
.ltts-aux select:hover,
.ltts-aux .ltts-speed:hover {
  border-color: var(--ltts-accent, #d96b7a);
}
.ltts-speed {
  min-width: 44px;
  text-align: center;
  font-feature-settings: 'tnum';
}

/* ----- Inline highlight of currently spoken paragraph ----- */
.ltts-current {
  background: var(--ltts-highlight, rgba(217, 107, 122, 0.08));
  border-left: 2px solid var(--ltts-accent, #d96b7a);
  padding-left: 12px;
  margin-left: -14px;
  transition: background .25s, border-color .25s;
}

/* ----- Mobile ----- */
@media (max-width: 600px) {
  .ltts-fab {
    width: 34px; height: 34px;
    top: 9px;
    top: max(9px, env(safe-area-inset-top, 9px));
    right: 52px;        /* left of .theme-toggle on mobile (right:9px, w:34px) */
  }
  .ltts-fab svg { width: 16px; height: 16px; }
  .ltts-bar {
    left: 8px; right: 8px;
    bottom: 8px;
    bottom: max(8px, env(safe-area-inset-bottom, 8px));
    border-radius: 12px;
    padding: 8px;
    font-size: 11px;
  }
  .ltts-btn { width: 34px; height: 34px; }
  .ltts-btn svg { width: 14px; height: 14px; }
  .ltts-btn.play { width: 40px; height: 40px; }
  .ltts-aux select { font-size: 10px; padding: 4px 6px; }
  .ltts-speed { font-size: 10px; min-width: 38px; padding: 4px 6px; }
  .ltts-status { font-size: 9px; }
}

@media (max-width: 380px) {
  .ltts-aux .ltts-voice-select { display: none; }
}

/* ----- Light theme overrides ----- */
[data-theme="light"] {
  --ltts-bg: #faf6ec;
  --ltts-fg: #1c1c1c;
  --ltts-mute: #6a6256;
  --ltts-rule: #d4c8b0;
  --ltts-rule-strong: #b8a98a;
  --ltts-accent: #6b1e2a;
  --ltts-bronze: #8a6a3c;
  --ltts-highlight: rgba(107, 30, 42, 0.06);
}

/* Dark — provided by browser default OR by [data-theme="dark"] explicit */
[data-theme="dark"],
:root:not([data-theme]) {
  --ltts-bg: #161c25;
  --ltts-fg: #e8dcc4;
  --ltts-mute: #a59885;
  --ltts-rule: #2a3340;
  --ltts-rule-strong: #3a4555;
  --ltts-accent: #d96b7a;
  --ltts-bronze: #d4a85f;
  --ltts-highlight: rgba(217, 107, 122, 0.10);
}

@media (prefers-reduced-motion: reduce) {
  .ltts-fab, .ltts-bar, .ltts-progress-fill {
    transition: none;
  }
}
