/* ────────────────────────────────────────────────────────────────
   theme-settings.css — Modal Cài đặt giao diện Namcumz
   Thiết kế dark-native, dùng CSS custom properties hiện có.
   ──────────────────────────────────────────────────────────────── */

/* ── Overlay / backdrop ──────────────────────────────────────── */
.ts-overlay {
  position: fixed;
  inset: 0;
  z-index: 9000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  animation: ts-overlay-in 200ms cubic-bezier(0.16, 1, 0.3, 1) both;
}

.ts-overlay--closing {
  animation: ts-overlay-out 240ms cubic-bezier(0.2, 0.7, 0.2, 1) both;
}

@keyframes ts-overlay-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes ts-overlay-out {
  from { opacity: 1; }
  to   { opacity: 0; }
}

/* ── Panel ───────────────────────────────────────────────────── */
.ts-panel {
  width: min(420px, 100%);
  max-height: min(92dvh, 720px);
  display: flex;
  flex-direction: column;
  background: var(--surface-1, #0e121f);
  border: 1px solid var(--border-soft, rgba(255,255,255,0.09));
  border-radius: var(--radius-xl, 22px);
  box-shadow: 0 32px 80px rgba(0, 0, 0, 0.65);
  animation: ts-panel-in 280ms cubic-bezier(0.16, 1, 0.3, 1) both;
  overflow: hidden;
}

.ts-overlay--closing .ts-panel {
  animation: ts-panel-out 240ms cubic-bezier(0.2, 0.7, 0.2, 1) both;
}

@keyframes ts-panel-in {
  from { opacity: 0; transform: translateY(24px) scale(0.96); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes ts-panel-out {
  from { opacity: 1; transform: translateY(0) scale(1); }
  to   { opacity: 0; transform: translateY(12px) scale(0.97); }
}

/* ── Header ──────────────────────────────────────────────────── */
.ts-header {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  padding: 20px 20px 16px;
  flex-shrink: 0;
  border-bottom: 1px solid var(--border-soft, rgba(255,255,255,0.08));
}

.ts-title {
  font-family: var(--font-heading, 'Be Vietnam Pro', sans-serif);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--text-primary, #f5f7ff);
  text-align: center;
  margin: 0;
}

.ts-close {
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  border-radius: var(--radius-sm, 8px);
  color: var(--text-muted, #8d98af);
  cursor: pointer;
  transition: background 150ms, color 150ms;
}
.ts-close:hover { background: var(--surface-raised, #182130); color: var(--text-primary, #f5f7ff); }
.ts-close svg { width: 18px; height: 18px; }

/* ── Scrollable body ─────────────────────────────────────────── */
.ts-body {
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 8px 0 0;
  flex: 1;
  scrollbar-width: thin;
  scrollbar-color: var(--border-soft, rgba(255,255,255,0.08)) transparent;
}

/* ── Section ─────────────────────────────────────────────────── */
.ts-section {
  padding: 14px 20px;
}

.ts-divider {
  height: 1px;
  background: var(--border-soft, rgba(255,255,255,0.08));
  margin: 0 20px;
}

.ts-section-label {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary, #f5f7ff);
}

.ts-section-value {
  margin-left: auto;
  font-size: 12px;
  font-weight: 400;
  color: var(--text-muted, #8d98af);
}

/* Dot indicator */
.ts-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  flex-shrink: 0;
  border: 1.5px solid rgba(255,255,255,0.18);
  transition: background 200ms;
}
.ts-dot--muted { background: var(--text-muted, #8d98af); }

/* Icon */
.ts-icon {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  color: var(--text-muted, #8d98af);
}

/* ── Swatches ────────────────────────────────────────────────── */
.ts-swatches {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.ts-swatch {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  border: 2px solid transparent;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 120ms, border-color 120ms, box-shadow 120ms;
  flex-shrink: 0;
}

.ts-swatch:hover {
  transform: scale(1.12);
  border-color: rgba(255,255,255,0.4);
}

.ts-swatch.is-active {
  border-color: rgba(255,255,255,0.9);
  box-shadow: 0 0 0 2px rgba(255,255,255,0.25);
}

.ts-swatch svg {
  width: 12px;
  height: 12px;
  color: #fff;
  filter: drop-shadow(0 1px 2px rgba(0,0,0,0.5));
}

.ts-swatch--bg {
  width: 44px;
  height: 38px;
  border-radius: 8px;
  border: 1.5px solid rgba(255, 255, 255, 0.12);
}

.ts-swatch--bg.is-active {
  border-color: rgba(255, 255, 255, 0.95);
  box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.28);
}

/* ── Toggle group (Sáng/Tối/Hệ thống) ─────────────────────── */
.ts-toggle-group {
  display: flex;
  gap: 8px;
}

.ts-toggle {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  height: 40px;
  padding: 0 12px;
  background: var(--surface-raised, #182130);
  border: 1px solid var(--border-soft, rgba(255,255,255,0.08));
  border-radius: var(--radius-sm, 8px);
  color: var(--text-muted, #8d98af);
  font: 500 12px/1 var(--font-main, 'Be Vietnam Pro', sans-serif);
  cursor: pointer;
  white-space: nowrap;
  transition: background 150ms, border-color 150ms, color 150ms, box-shadow 150ms;
}

.ts-toggle svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

.ts-toggle:hover {
  background: var(--surface-2, #14192b);
  border-color: var(--border-hover, rgba(255,255,255,0.18));
  color: var(--text-primary, #f5f7ff);
}

.ts-toggle.is-active {
  background: rgba(255, 255, 255, 0.03);
  border: 1.5px solid var(--ui-accent, #70dce5);
  color: var(--ui-accent, #70dce5);
  box-shadow: 0 0 14px var(--brand-cyan-glow, rgba(112,220,229,0.22));
}

/* ── Chips (border radius) ──────────────────────────────────── */
.ts-chips {
  display: flex;
  gap: 8px;
}

.ts-chip {
  flex: 1;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--surface-raised, #182130);
  border: 1px solid var(--border-soft, rgba(255,255,255,0.08));
  border-radius: var(--radius-sm, 8px);
  color: var(--text-muted, #8d98af);
  font: 500 12px/1 var(--font-main, 'Be Vietnam Pro', sans-serif);
  cursor: pointer;
  transition: background 150ms, border-color 150ms, color 150ms, box-shadow 150ms;
}

.ts-chip:hover {
  background: var(--surface-2, #14192b);
  border-color: var(--border-hover, rgba(255,255,255,0.18));
  color: var(--text-primary, #f5f7ff);
}

.ts-chip.is-active {
  background: rgba(255, 255, 255, 0.03);
  border: 1.5px solid var(--ui-accent, #70dce5);
  color: var(--ui-accent, #70dce5);
  font-weight: 700;
  box-shadow: 0 0 14px var(--brand-cyan-glow, rgba(112,220,229,0.22));
}

/* ── Range slider ────────────────────────────────────────────── */
.ts-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 4px;
  border-radius: 2px;
  background: var(--surface-raised, #182130);
  cursor: pointer;
  outline: none;
  margin: 8px 0 4px;
  border: none;
}

/* Webkit thumb */
.ts-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--ui-accent, #70dce5);
  box-shadow: 0 0 0 3px rgba(255,255,255,0.08), 0 2px 8px rgba(0,0,0,0.4);
  cursor: pointer;
  transition: transform 120ms, box-shadow 120ms;
}
.ts-slider::-webkit-slider-thumb:hover {
  transform: scale(1.15);
  box-shadow: 0 0 0 4px var(--brand-cyan-glow, rgba(112,220,229,0.35)), 0 2px 8px rgba(0,0,0,0.4);
}

/* Firefox thumb */
.ts-slider::-moz-range-thumb {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--ui-accent, #70dce5);
  border: none;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(0,0,0,0.4);
}

.ts-hint {
  font-size: 11px;
  color: var(--text-muted, #8d98af);
  line-height: 1.5;
  margin-top: 6px;
}

/* ── Footer / Reset ──────────────────────────────────────────── */
.ts-footer {
  padding: 12px 20px 20px;
  display: flex;
  justify-content: center;
}

.ts-reset-btn {
  background: transparent;
  border: none;
  color: var(--text-muted, #8d98af);
  font: 400 12px var(--font-main, 'Be Vietnam Pro', sans-serif);
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 3px;
  padding: 4px 8px;
  border-radius: 4px;
  transition: color 150ms;
}
.ts-reset-btn:hover { color: var(--text-primary, #f5f7ff); }

/* ── Nút mở (gear icon ở nav) ───────────────────────────────── */
.ts-open-btn {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid var(--border-soft, rgba(255,255,255,0.08));
  border-radius: var(--radius-sm, 8px);
  color: var(--text-muted, #8d98af);
  cursor: pointer;
  flex-shrink: 0;
  transition: background 150ms, border-color 150ms, color 150ms, transform 200ms;
}

.ts-open-btn svg {
  width: 18px;
  height: 18px;
  transition: transform 400ms cubic-bezier(0.16, 1, 0.3, 1);
}

.ts-open-btn:hover {
  background: var(--surface-raised, #182130);
  border-color: var(--border-hover, rgba(255,255,255,0.18));
  color: var(--text-primary, #f5f7ff);
}

.ts-open-btn:hover svg {
  transform: rotate(60deg);
}

/* ── Light mode overrides ────────────────────────────────────── */
.theme-light .ts-panel {
  background: #f8f9fa;
  border-color: rgba(0, 0, 0, 0.1);
}
.theme-light .ts-title { color: #111; }
.theme-light .ts-section-label { color: #111; }
.theme-light .ts-section-value { color: #555; }
.theme-light .ts-hint { color: #666; }
.theme-light .ts-divider { background: rgba(0,0,0,0.08); }
.theme-light .ts-toggle, .theme-light .ts-chip {
  background: #fff;
  border-color: rgba(0,0,0,0.12);
  color: #444;
}
.theme-light .ts-toggle:hover, .theme-light .ts-chip:hover {
  background: #f0f0f0;
  border-color: rgba(0,0,0,0.25);
  color: #111;
}
.theme-light .ts-toggle.is-active, .theme-light .ts-chip.is-active {
  background: rgba(0, 0, 0, 0.04);
  border: 1.5px solid var(--ui-accent, #0284c7);
  color: var(--ui-accent, #0284c7);
  font-weight: 700;
}
.theme-light .ts-close { color: #555; }
.theme-light .ts-close:hover { background: #eee; color: #111; }
.theme-light .ts-reset-btn { color: #666; }
.theme-light .ts-reset-btn:hover { color: #111; }
.theme-light .ts-open-btn {
  border-color: rgba(0,0,0,0.12);
  color: #555;
}
.theme-light .ts-open-btn:hover {
  background: rgba(0,0,0,0.06);
  color: #111;
}

/* Floating fallback button */
.ts-open-btn--float {
  position: fixed;
  bottom: 84px;
  right: 20px;
  z-index: 8999;
  background: var(--surface-1, #0e121f) !important;
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
}

/* ── Responsive ──────────────────────────────────────────────── */
@media (max-width: 480px) {
  .ts-panel { border-radius: var(--radius-lg, 16px) var(--radius-lg, 16px) 0 0; }
  .ts-overlay { align-items: flex-end; padding: 0; }
  .ts-panel { width: 100%; max-height: 85dvh; }
}