/* ── Theme Customiser Panel ── */

#theme-panel {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 200;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 12px;
}

#tc-toggle {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--bg2);
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
  transition: color 0.2s, background 0.2s, transform 0.2s;
}

#tc-toggle:hover {
  color: var(--text);
  background: var(--surface2);
  transform: rotate(30deg);
}

#tc-drawer {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px;
  width: 220px;
  box-shadow: 0 24px 64px rgba(0,0,0,0.5);
  display: none;
  flex-direction: column;
  gap: 12px;
}

#tc-drawer.open { display: flex; }

.tc-label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 2px;
}

.tc-swatches {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tc-swatch {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.15s, border-color 0.15s;
}

.tc-swatch:hover { transform: scale(1.15); }

.tc-swatch.active {
  border-color: var(--text);
  transform: scale(1.15);
}

.tc-row {
  display: flex;
  gap: 8px;
}

.tc-mode-btn,
.tc-size-btn {
  flex: 1;
  padding: 7px 6px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-muted);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}

.tc-mode-btn:hover,
.tc-size-btn:hover {
  background: var(--surface2);
  color: var(--text);
}

.tc-mode-btn.active,
.tc-size-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

/* Gallery toggle switch */
.tc-toggle-row {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  font-size: 0.82rem;
  color: var(--text-muted);
  padding: 6px 0;
  user-select: none;
}
.tc-toggle-row input { display: none; }
.tc-toggle-track {
  width: 36px;
  height: 20px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 10px;
  position: relative;
  flex-shrink: 0;
  transition: background 0.2s;
}
.tc-toggle-thumb {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--text-muted);
  transition: transform 0.2s, background 0.2s;
}
.tc-toggle-row input:checked ~ .tc-toggle-track {
  background: var(--accent);
  border-color: var(--accent);
}
.tc-toggle-row input:checked ~ .tc-toggle-track .tc-toggle-thumb {
  transform: translateX(16px);
  background: #fff;
}