/* Lecteur Serein - settings.css */
/* Tiroir latéral de réglages */

.settings-panel {
  position: fixed;
  top: 0;
  right: -360px;
  width: 340px;
  max-width: 92vw;
  height: 100vh;
  height: 100dvh;
  background: rgba(16, 16, 16, 0.97);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-left: 1px solid var(--border-soft);
  z-index: 500;
  transition: right 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}

.settings-panel.open {
  right: 0;
}

.settings-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 24px;
  border-bottom: 1px solid var(--border-soft);
}

.settings-header h2 {
  font-weight: 500;
  font-size: 1.15rem;
  letter-spacing: 0.03em;
}

.btn-close {
  background: none;
  border: none;
  color: var(--text-dim);
  font-size: 1.6rem;
  cursor: pointer;
  line-height: 1;
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 5px;
  transition: color var(--transition);
}

.btn-close:hover {
  color: var(--text);
}

.settings-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 30px;
}

.setting-group {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.setting-group > label {
  font-size: 0.92rem;
  color: var(--text);
  letter-spacing: 0.02em;
}

/* Sliders */
.slider-row {
  display: flex;
  align-items: center;
  gap: 14px;
}

.slider-row input[type="range"] {
  flex: 1;
  -webkit-appearance: none;
  appearance: none;
  height: 2px;
  background: rgba(255, 255, 255, 0.14);
  border-radius: 1px;
  outline: none;
  cursor: pointer;
}

.slider-row input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--text);
  cursor: pointer;
  transition: background var(--transition);
}

.slider-row input[type="range"]::-webkit-slider-thumb:hover {
  background: var(--accent);
}

.slider-row input[type="range"]::-moz-range-thumb {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--text);
  cursor: pointer;
  border: none;
}

.slider-row input[type="range"]::-moz-range-thumb:hover {
  background: var(--accent);
}

.value-chip {
  font-size: 0.8rem;
  color: var(--accent);
  min-width: 52px;
  text-align: right;
  font-variant-numeric: tabular-nums;
}

/* Colonnes */
.col-options {
  display: flex;
  gap: 8px;
}

.col-btn {
  flex: 1;
  padding: 9px 6px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: transparent;
  color: var(--text-dim);
  font-family: inherit;
  font-size: 0.88rem;
  cursor: pointer;
  border-radius: 5px;
  transition: all var(--transition);
}

.col-btn:hover {
  border-color: var(--accent);
  color: var(--text);
}

.col-btn.active {
  border-color: var(--accent);
  background: rgba(201, 162, 75, 0.1);
  color: var(--text);
}

/* Polices */
.font-options {
  display: flex;
  gap: 8px;
}

.font-btn {
  flex: 1;
  padding: 12px 8px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: transparent;
  color: var(--text-dim);
  font-size: 1.05rem;
  cursor: pointer;
  border-radius: 5px;
  transition: all var(--transition);
}

.font-btn:hover {
  border-color: var(--accent);
  color: var(--text);
}

.font-btn.active {
  border-color: var(--accent);
  background: rgba(201, 162, 75, 0.1);
  color: var(--text);
}

.setting-note {
  font-size: 0.8rem;
  color: var(--text-dim);
  font-style: italic;
}

/* Toggle */
.toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  font-size: 0.92rem;
}

.toggle-row input[type="checkbox"] {
  -webkit-appearance: none;
  appearance: none;
  width: 42px;
  height: 23px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.12);
  position: relative;
  cursor: pointer;
  transition: background var(--transition);
  flex-shrink: 0;
}

.toggle-row input[type="checkbox"]::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 19px;
  height: 19px;
  border-radius: 50%;
  background: var(--text);
  transition: transform var(--transition);
}

.toggle-row input[type="checkbox"]:checked {
  background: var(--accent);
}

.toggle-row input[type="checkbox"]:checked::after {
  transform: translateX(19px);
}

/* Reset */
.btn-reset {
  width: 100%;
  padding: 11px;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.14);
  color: var(--text-dim);
  font-family: inherit;
  font-size: 0.88rem;
  cursor: pointer;
  border-radius: 5px;
  transition: all var(--transition);
}

.btn-reset:hover {
  border-color: var(--text);
  color: var(--text);
}