.settings-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 300;
  place-items: center;
  padding: 20px;
}
html.no-glass .settings-overlay {
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  background: rgba(0, 0, 0, 0.78);
}
.settings-overlay.open { display: grid; }

.settings-panel {
  width: min(600px, 100%);
  max-height: min(88vh, 88dvh, 720px);
  min-height: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  background: var(--settings-panel-bg, var(--bg-panel, var(--panel)));
  border: 1px solid var(--border);
  border-radius: 20px;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.45);
}

.settings-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
}
.settings-header h3 { font-size: 1.15rem; margin: 0; }
.settings-close {
  background: var(--settings-control-bg, transparent);
  border: 1px solid var(--border);
  color: var(--text-dim, var(--dim));
  width: 36px;
  height: 36px;
  border-radius: 10px;
  cursor: pointer;
  font-size: 1.2rem;
  line-height: 1;
}
.settings-close:hover { border-color: var(--accent); color: var(--accent); }

.settings-tabs {
  display: flex;
  gap: 4px;
  padding: 12px 24px 0;
  border-bottom: 1px solid var(--border);
}
.settings-tab {
  padding: 10px 16px;
  border: none;
  background: transparent;
  color: var(--text-dim, var(--dim));
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
}
.settings-tab.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}
.settings-tab-panel { display: none; }
.settings-tab-panel.active { display: block; }

.settings-body {
  flex: 1 1 auto;
  min-height: 0;
  overflow-x: hidden;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  padding: 8px 24px 32px;
  scroll-padding-bottom: 24px;
}

.settings-section {
  margin-top: 20px;
}
.settings-section h4 {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-bottom: 12px;
}

.pref-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 14px;
  margin: 0 -14px;
  border-bottom: 1px solid var(--settings-row-border, rgba(99, 140, 255, 0.08));
  border-radius: 10px;
}
.pref-row:last-child { border-bottom: none; }
.pref-label { flex: 1; min-width: 0; }
.pref-label strong { display: block; font-size: 0.9rem; font-weight: 600; }
.pref-label span { display: block; font-size: 0.78rem; color: var(--text-dim, var(--dim)); margin-top: 2px; }

.pref-select,
.pref-range-val {
  padding: 8px 32px 8px 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background-color: var(--settings-control-bg, rgba(6, 8, 15, 0.35));
  color: var(--text);
  font-size: 0.82rem;
  min-width: 120px;
  -webkit-appearance: none;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%237b8aa8' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
}
.pref-select option {
  background: var(--settings-panel-bg, var(--bg-panel, #0c1220));
  color: var(--text);
}

.pref-toggle {
  position: relative;
  width: 44px;
  height: 24px;
  flex-shrink: 0;
}
.pref-toggle input { opacity: 0; width: 0; height: 0; }
.pref-toggle .slider {
  position: absolute;
  inset: 0;
  border-radius: 24px;
  background: var(--settings-control-bg, rgba(99, 140, 255, 0.2));
  border: 1px solid var(--border);
  cursor: pointer;
  transition: background 0.2s;
}
.pref-toggle .slider::before {
  content: "";
  position: absolute;
  width: 18px;
  height: 18px;
  left: 2px;
  top: 2px;
  border-radius: 50%;
  background: var(--text);
  transition: transform 0.2s;
}
.pref-toggle input:checked + .slider {
  background: rgba(var(--accent-rgb), 0.35);
  border-color: var(--accent);
}
.pref-toggle input:checked + .slider::before { transform: translateX(20px); }

.accent-swatches {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  padding: 6px 8px;
  border-radius: 12px;
  background: var(--settings-control-bg, rgba(6, 8, 15, 0.25));
  border: 1px solid var(--border);
}
.accent-swatch {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 2px solid var(--border);
  cursor: pointer;
  padding: 0;
}
.accent-swatch.active { border-color: var(--text); box-shadow: 0 0 0 2px var(--accent); }
.accent-swatch[data-accent="cyan"] { background: #38bdf8; }
.accent-swatch[data-accent="violet"] { background: #a78bfa; }
.accent-swatch[data-accent="emerald"] { background: #34d399; }
.accent-swatch[data-accent="rose"] { background: #fb7185; }
.accent-swatch[data-accent="amber"] { background: #fbbf24; }

.settings-footer {
  display: flex;
  gap: 10px;
  padding: 16px 24px;
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
}
.settings-footer .btn { flex: 1; min-width: 120px; font-size: 0.82rem; padding: 10px 14px; }

.pref-range {
  display: flex;
  align-items: center;
  gap: 10px;
}
.pref-range input[type="range"] { width: 100px; accent-color: var(--accent); }

html[data-theme="light"] .settings-overlay {
  background: rgba(20, 30, 50, 0.38);
}

html[data-theme="light"] .settings-panel {
  box-shadow: 0 24px 80px rgba(20, 40, 80, 0.2);
}

html[data-theme="light"] .pref-select,
html[data-theme="light"] .pref-range-val {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%233d4f6a' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");
}

html[data-theme="light"] .pref-toggle .slider::before {
  background: #e8edf5;
  box-shadow: 0 1px 3px rgba(20, 40, 80, 0.22);
}

html[data-theme="light"] .pref-toggle input:checked + .slider {
  background: rgba(37, 99, 180, 0.35);
}

html[data-theme="light"] .settings-tab:hover {
  color: var(--text);
}