/* FrameForge Studio Custom Theme Tokens & Precision Controls */

:root,
[data-theme="dark"] {
  color-scheme: dark;
  --bg-app: #0b0e14;
  --bg-panel: #12161f;
  --bg-panel-alt: #171c27;
  --bg-input: #0e1219;
  --bg-hover: #1e2533;
  --bg-stage: #080a0f;
  --border-color: #252c3b;
  --border-strong: #343e52;
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --accent: #3b82f6;
  --accent-hover: #2563eb;
  --accent-soft: rgba(59, 130, 246, 0.16);
  --checker-a: #1a202c;
  --checker-b: #131822;
}

[data-theme="light"] {
  color-scheme: light;
  --bg-app: #f1f3f6;
  --bg-panel: #ffffff;
  --bg-panel-alt: #f8fafc;
  --bg-input: #f1f5f9;
  --bg-hover: #e2e8f0;
  --bg-stage: #e5e7eb;
  --border-color: #d8dee6;
  --border-strong: #bac4d1;
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --accent-soft: rgba(37, 99, 235, 0.12);
  --checker-a: #f3f4f6;
  --checker-b: #e2e8f0;
}

html,
body {
  background-color: var(--bg-app);
  color: var(--text-primary);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
}

:where(.studio-panel) {
  background-color: var(--bg-panel);
  border-color: var(--border-color);
}

:where(.studio-panel-alt) {
  background-color: var(--bg-panel-alt);
  border-color: var(--border-color);
}

.studio-stage {
  background-color: var(--bg-stage);
  background-image: radial-gradient(circle at 1px 1px, var(--border-color) 1px, transparent 0);
  background-size: 20px 20px;
}

.studio-checkerboard {
  background-color: var(--checker-b);
  background-image:
    linear-gradient(45deg, var(--checker-a) 25%, transparent 25%),
    linear-gradient(-45deg, var(--checker-a) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, var(--checker-a) 75%),
    linear-gradient(-45deg, transparent 75%, var(--checker-a) 75%);
  background-size: 16px 16px;
  background-position: 0 0, 0 8px, 8px -8px, -8px 0;
}

:where(.studio-input) {
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
}

.studio-input:focus {
  outline: none;
  border-color: var(--accent);
}

:where(.studio-btn) {
  background-color: var(--bg-panel-alt);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  transition: background-color 120ms ease, border-color 120ms ease;
}

.studio-btn:hover:not(:disabled) {
  background-color: var(--bg-hover);
  border-color: var(--border-strong);
}

.studio-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.studio-btn-primary {
  background-color: var(--accent);
  border: 1px solid var(--accent);
  color: #ffffff;
  transition: background-color 120ms ease, border-color 120ms ease, opacity 120ms ease;
}

.studio-btn-primary:hover:not(:disabled) {
  background-color: var(--accent-hover);
  border-color: var(--accent-hover);
}

.studio-btn-primary:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.studio-btn-active {
  background-color: var(--accent-soft);
  border-color: var(--accent);
  color: var(--accent);
}

.studio-tab-idle {
  color: var(--text-secondary);
}

.studio-tab-idle:hover {
  color: var(--text-primary);
}

:where(.studio-muted) {
  color: var(--text-secondary);
}

:where(.studio-subtle) {
  color: var(--text-muted);
}

:where(.studio-border) {
  border-color: var(--border-color);
}

/* Precision compact range slider */
input[type="range"].studio-range {
  -webkit-appearance: none;
  appearance: none;
  height: 4px;
  border-radius: 999px;
  background: var(--border-strong);
  outline: none;
}

input[type="range"].studio-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid #ffffff;
  cursor: pointer;
}

input[type="range"].studio-range::-moz-range-thumb {
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid #ffffff;
  cursor: pointer;
}

/* Slim custom scrollbars */
.studio-scroll::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

.studio-scroll::-webkit-scrollbar-track {
  background: transparent;
}

.studio-scroll::-webkit-scrollbar-thumb {
  background: var(--border-strong);
  border-radius: 3px;
}

.tabular-nums {
  font-variant-numeric: tabular-nums;
}

/* Responsive mobile drawer toggle helpers (matches Tailwind v4 max-lg < 64rem) */
@media (max-width: 1023.98px) {
  .studio-drawer-hidden {
    display: none !important;
  }
}