/* ==========================================================================
   TTS-App Control Panel Styling (tts-style.css)
   ========================================================================== */

/* Fixiertes Control-Panel am unteren Bildschirmrand */
#tts-panel {
  position: fixed;
  bottom: 20px;
  right: 20px;
  width: 360px;
  max-width: calc(100vw - 40px);
  background-color: #ffffc6;
  color: #222222;
  border: 1px solid #e0e0e0;
  border-radius: 12px;
  padding: 16px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 14px;
  line-height: 1.4;
  z-index: 9999;
  transition: all 0.3s ease;
}

/* Dunkelmodus-Unterstützung */
@media (prefers-color-scheme: dark) {
  #tts-panel {
    background-color: #1e1e1e;
    color: #f0f0f0;
    border-color: #333333;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
  }
}

/* --- 1. Transport-Buttons (Play, Stop, Prev, Next, Exit) --- */
.tts-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 12px;
}

.tts-controls button {
  background-color: #f0f0f0;
  color: #333333;
  border: none;
  border-radius: 6px;
  padding: 8px 12px;
  font-size: 16px;
  cursor: pointer;
  transition: background-color 0.2s ease, transform 0.1s ease;
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

@media (prefers-color-scheme: dark) {
  .tts-controls button {
    background-color: #2d2d2d;
    color: #ffffff;
  }
}

.tts-controls button:hover {
  background-color: #e0e0e0;
}

@media (prefers-color-scheme: dark) {
  .tts-controls button:hover {
    background-color: #3d3d3d;
  }
}

.tts-controls button:active {
  transform: scale(0.96);
}

/* Hervorhebung für den Haupt-Play-Button */
#tts-btn-play {
  background-color: #0066cc;
  color: #ffffff;
}

#tts-btn-play:hover {
  background-color: #0052a3;
}

/* Schließen-Button flexibel verkleinern */
#tts-btn-exit {
  flex: 0 0 auto;
  background-color: transparent;
  color: #888888;
  font-size: 14px;
}

#tts-btn-exit:hover {
  color: #e53935;
  background-color: rgba(229, 57, 53, 0.1);
}

/* --- 2. Einstellungen (Dropdowns & Regler) --- */
.tts-settings {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 12px;
}

.tts-settings label,
.voice-selection-group label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  font-weight: 500;
  color: #666666;
}

@media (prefers-color-scheme: dark) {
  .tts-settings label,
  .voice-selection-group label {
    color: #aaa;
  }
}

.tts-settings select,
.voice-selection-group select {
  width: 60%;
  padding: 4px 8px;
  border-radius: 4px;
  border: 1px solid #ccc;
  background-color: #fff;
  color: #333;
  font-size: 12px;
}

@media (prefers-color-scheme: dark) {
  .tts-settings select,
  .voice-selection-group select {
    background-color: #2a2a2a;
    color: #eee;
    border-color: #444;
  }
}

.tts-settings input[type="range"] {
  width: 60%;
}

.voice-selection-group {
  margin-bottom: 8px;
}

/* --- 3. Fortschrittsanzeige & Status --- */
.tts-progress-container {
  margin-bottom: 12px;
}

.tts-progress-bar {
  width: 100%;
  height: 6px;
  background-color: #e0e0e0;
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: 6px;
}

@media (prefers-color-scheme: dark) {
  .tts-progress-bar {
    background-color: #333333;
  }
}

#tts-progress-fill {
  width: 0%;
  height: 100%;
  background-color: #0066cc;
  transition: width 0.25s ease;
}

#tts-status-text {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  color: #777777;
}

@media (prefers-color-scheme: dark) {
  #tts-status-text {
    color: #999999;
  }
}

/* --- 4. Seiten-Navigation innerhalb des Panels --- */
.tts-page-nav-container {
  border-top: 1px solid #e0e0e0;
  padding-top: 10px;
  margin-top: 8px;
}

@media (prefers-color-scheme: dark) {
  .tts-page-nav-container {
    border-top-color: #333333;
  }
}

.tts-page-nav-title {
  display: block;
  font-size: 11px;
  font-weight: bold;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: #888888;
  margin-bottom: 6px;
}

.tts-page-nav {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  max-height: 80px;
  overflow-y: auto;
}

.tts-page-nav button {
  background-color: #f5f5f5;
  border: 1px solid #dddddd;
  border-radius: 4px;
  padding: 2px 8px;
  font-size: 11px;
  cursor: pointer;
  color: #444444;
}

@media (prefers-color-scheme: dark) {
  .tts-page-nav button {
    background-color: #2a2a2a;
    border-color: #444444;
    color: #ccc;
  }
}

.tts-page-nav button:hover {
  background-color: #0066cc;
  color: #ffffff;
  border-color: #0066cc;
}

/* --- 5. Hervorhebung des gerade vorgelesenen Elements auf der Seite --- */
.tts-active-chunk {
  background-color: rgba(255, 235, 59, 0.4);
  border-left: 3px solid #fbc02d;
  padding-left: 4px;
  transition: background-color 0.3s ease, border-color 0.3s ease;
  border-radius: 2px;
}

@media (prefers-color-scheme: dark) {
  .tts-active-chunk {
    background-color: rgba(255, 214, 0, 0.2);
    border-left-color: #ffd600;
  }
}

/* --- Minimierter Zustand des Control Panels --- */
#tts-panel.tts-minimized {
  width: auto;
  padding: 8px 12px;
  border-radius: 20px;
}

/* Verstecke Einstellungen, Fortschritt und Navigation im minimierten Zustand */
#tts-panel.tts-minimized .tts-settings,
#tts-panel.tts-minimized .tts-progress-container,
#tts-panel.tts-minimized .voice-selection-group,
#tts-panel.tts-minimized .tts-page-nav-container {
  display: none !important;
}

/* Steuerelemente kompakter anordnen */
#tts-panel.tts-minimized .tts-controls {
  margin-bottom: 0;
  gap: 6px;
}

#tts-panel.tts-minimized .tts-controls button {
  padding: 6px 10px;
  font-size: 14px;
}

/* Nicht-Darstellung verborgener Sprachanweisungen B <h2><span class="sr-only">Paragraph sechsundzwanzig</span><span class="fraktur" aria-hidden="true">§ 26.</span></h2>*/

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}