/* =============================================================================
   Ultra Image Cropper 2.0 — Master Stylesheet
   CSS Variables (light/dark theming) + BEM naming convention
   © 2026 dreamstechnologies. Confidential.
   ============================================================================= */

/* ── CSS Custom Properties (Light Theme) ──────────────────────────────────── */

:root,
[data-ultra-theme="light"] {
  --ultra-bg-page:          #f4f5f7;
  --ultra-bg-modal:         #ffffff;
  --ultra-bg-panel:         #f8f9fa;
  --ultra-bg-sidebar:       #1e2028;
  --ultra-bg-header:        #ffffff;
  --ultra-bg-footer:        #ffffff;
  --ultra-bg-canvas:        #e8e9ec;

  --ultra-text-primary:     #1a1d23;
  --ultra-text-secondary:   #6b7280;
  --ultra-text-on-dark:     #f0f1f3;
  --ultra-text-label:       #374151;
  --ultra-text-hint:        #9ca3af;

  --ultra-border:           #e5e7eb;
  --ultra-border-strong:    #d1d5db;

  --ultra-primary:          #6366f1;
  --ultra-primary-hover:    #5558e8;
  --ultra-primary-active:   #4547c4;
  --ultra-primary-text:     #ffffff;

  --ultra-secondary:        #f3f4f6;
  --ultra-secondary-hover:  #e9eaec;
  --ultra-secondary-text:   #374151;

  --ultra-success:          #10b981;
  --ultra-warning:          #f59e0b;
  --ultra-error:            #ef4444;
  --ultra-info:             #3b82f6;

  --ultra-ai-gradient:      linear-gradient(135deg, #6366f1, #8b5cf6, #ec4899);

  --ultra-shadow-sm:        0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.04);
  --ultra-shadow-md:        0 4px 12px rgba(0,0,0,0.12), 0 2px 4px rgba(0,0,0,0.06);
  --ultra-shadow-lg:        0 20px 60px rgba(0,0,0,0.18), 0 8px 20px rgba(0,0,0,0.10);

  --ultra-radius-sm:        4px;
  --ultra-radius-md:        8px;
  --ultra-radius-lg:        12px;
  --ultra-radius-xl:        16px;

  --ultra-font:             'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  --ultra-font-mono:        'JetBrains Mono', 'Fira Code', monospace;

  --ultra-transition:       150ms ease;
  --ultra-transition-md:    250ms ease;

  --ultra-header-h:         52px;
  --ultra-footer-h:         64px;
  --ultra-sidebar-w:        72px;
  --ultra-options-w:        280px;
  --ultra-zindex-modal:     9000;
  --ultra-zindex-overlay:   9100;
  --ultra-zindex-toast:     9200;
}

/* ── Dark Theme ───────────────────────────────────────────────────────────── */

[data-ultra-theme="dark"] {
  --ultra-bg-page:          #0f1117;
  --ultra-bg-modal:         #1a1d27;
  --ultra-bg-panel:         #22263a;
  --ultra-bg-sidebar:       #13151e;
  --ultra-bg-header:        #1a1d27;
  --ultra-bg-footer:        #1a1d27;
  --ultra-bg-canvas:        #0f1117;

  --ultra-text-primary:     #f0f1f3;
  --ultra-text-secondary:   #9ca3af;
  --ultra-text-on-dark:     #f0f1f3;
  --ultra-text-label:       #d1d5db;
  --ultra-text-hint:        #6b7280;

  --ultra-border:           #2e3347;
  --ultra-border-strong:    #3d4460;

  --ultra-secondary:        #252840;
  --ultra-secondary-hover:  #2e3352;
  --ultra-secondary-text:   #d1d5db;
}

/* ── Reset & Base ─────────────────────────────────────────────────────────── */

.ultra-modal-overlay *,
.ultra-trigger-wrapper * {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* ── Trigger Button ───────────────────────────────────────────────────────── */

.ultra-trigger-wrapper {
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 6px;
  font-family: var(--ultra-font);
}

.ultra-trigger-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  background: var(--ultra-primary);
  color: var(--ultra-primary-text);
  border: none;
  border-radius: var(--ultra-radius-md);
  font-family: var(--ultra-font);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: background var(--ultra-transition), transform var(--ultra-transition), box-shadow var(--ultra-transition);
  box-shadow: var(--ultra-shadow-sm);
  user-select: none;
}

.ultra-trigger-btn:hover:not(:disabled) {
  background: var(--ultra-primary-hover);
  box-shadow: var(--ultra-shadow-md);
  transform: translateY(-1px);
}

.ultra-trigger-btn:active:not(:disabled) {
  background: var(--ultra-primary-active);
  transform: translateY(0);
}

.ultra-trigger-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.ultra-license-badge {
  font-size: 11px;
  color: var(--ultra-warning);
  font-family: var(--ultra-font);
}

.ultra-license-gate {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 6px;
  font-family: var(--ultra-font);
}

.ultra-trial-btn {
  font-size: 12px;
  padding: 5px 12px;
  background: var(--ultra-primary);
  color: #fff;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-family: var(--ultra-font);
}
.ultra-trial-btn:hover { background: var(--ultra-primary-hover, #4338ca); }

.ultra-trial-form {
  display: flex;
  flex-direction: column;
  gap: 6px;
  background: var(--ultra-surface, #1e2235);
  border: 1px solid var(--ultra-border, #2d3148);
  border-radius: 8px;
  padding: 12px;
  font-size: 13px;
  color: var(--ultra-text, #e2e8f0);
}
.ultra-trial-form input {
  padding: 6px 10px;
  border-radius: 5px;
  border: 1px solid var(--ultra-border, #374151);
  background: var(--ultra-bg, #0f1117);
  color: var(--ultra-text, #e2e8f0);
  font-size: 13px;
}
.ultra-trial-form button {
  padding: 6px 14px;
  border-radius: 5px;
  cursor: pointer;
  font-size: 13px;
  border: 1px solid var(--ultra-border, #374151);
  background: transparent;
  color: var(--ultra-text-muted, #94a3b8);
}
.ultra-trial-form button[type="submit"] {
  background: var(--ultra-primary);
  color: #fff;
  border-color: transparent;
}

.ultra-trial-key {
  display: flex;
  flex-direction: column;
  gap: 4px;
  background: var(--ultra-surface, #1e2235);
  border: 1px solid var(--ultra-border, #2d3148);
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 12px;
  color: var(--ultra-text, #e2e8f0);
}
.ultra-trial-key code {
  font-family: monospace;
  font-size: 13px;
  color: #a78bfa;
  cursor: pointer;
  letter-spacing: 0.5px;
}
.ultra-trial-key small { color: var(--ultra-text-muted, #64748b); }

.ultra-trial-indicator {
  font-size: 11px;
  color: var(--ultra-text-muted, #94a3b8);
  font-family: var(--ultra-font);
  margin-top: 4px;
}

/* ── Modal Overlay ────────────────────────────────────────────────────────── */

.ultra-modal-overlay {
  position: fixed;
  inset: 0;
  z-index: var(--ultra-zindex-modal);
  display: flex;
  align-items: stretch;
  justify-content: stretch;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(4px);
  animation: ultra-fade-in 250ms ease;
  font-family: var(--ultra-font);
}

@keyframes ultra-fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.ultra-modal-container {
  display: flex;
  flex-direction: column;
  width: 100%;
  height: 100%;
  background: var(--ultra-bg-modal);
  overflow: hidden;
}

/* ── Header Bar ───────────────────────────────────────────────────────────── */

.ultra-header-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 16px;
  height: var(--ultra-header-h);
  background: var(--ultra-bg-header);
  border-bottom: 1px solid var(--ultra-border);
  flex-shrink: 0;
  position: relative;
}

.ultra-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--ultra-primary);
  font-weight: 700;
  font-size: 14px;
}

.ultra-logo-img {
  height: 28px;
  width: auto;
  display: block;
  object-fit: contain;
}

.ultra-logo-name {
  color: var(--ultra-text-primary);
  font-size: 13px;
  font-weight: 600;
}

.ultra-header-file-info {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-left: 12px;
  flex: 1;
}

.ultra-filename {
  font-size: 13px;
  color: var(--ultra-text-secondary);
  max-width: 260px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.ultra-dimensions {
  font-size: 12px;
  color: var(--ultra-text-hint);
  font-variant-numeric: tabular-nums;
}

.ultra-header-actions {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}

.ultra-header-divider {
  width: 1px;
  height: 20px;
  background: var(--ultra-border);
  margin: 0 4px;
}

.ultra-icon-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: transparent;
  border: none;
  border-radius: var(--ultra-radius-sm);
  color: var(--ultra-text-secondary);
  cursor: pointer;
  transition: background var(--ultra-transition), color var(--ultra-transition);
}

.ultra-icon-btn:hover:not(:disabled) {
  background: var(--ultra-secondary);
  color: var(--ultra-text-primary);
}

.ultra-icon-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.ultra-icon-btn--active {
  background: var(--ultra-secondary);
  color: var(--ultra-primary);
}

.ultra-close-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: transparent;
  border: none;
  border-radius: var(--ultra-radius-sm);
  color: var(--ultra-text-secondary);
  cursor: pointer;
  transition: background var(--ultra-transition), color var(--ultra-transition);
}

.ultra-close-btn:hover {
  background: var(--ultra-error);
  color: white;
}

/* ── Modal Body (3-column flex) ───────────────────────────────────────────── */

.ultra-modal-body {
  display: flex;
  flex: 1;
  overflow: hidden;
}

/* ── Tool Sidebar (left) ─────────────────────────────────────────────────── */

.ultra-tool-sidebar {
  width: var(--ultra-sidebar-w);
  background: var(--ultra-bg-sidebar);
  border-right: 1px solid rgba(255,255,255,0.05);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  overflow-x: hidden;
  flex-shrink: 0;
  padding: 8px 0;
  gap: 0;
}

.ultra-tool-group {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.ultra-tool-group:last-child { border-bottom: none; }

.ultra-tool-group-label {
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.35);
  padding: 0 8px 6px;
  text-align: center;
}

.ultra-tool-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  width: 56px;
  height: 52px;
  background: transparent;
  border: none;
  border-radius: var(--ultra-radius-sm);
  color: rgba(255,255,255,0.55);
  cursor: pointer;
  transition: all var(--ultra-transition);
  font-family: var(--ultra-font);
  padding: 4px;
}

.ultra-tool-btn:hover {
  background: rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.85);
}

.ultra-tool-btn--active {
  background: rgba(99,102,241,0.2);
  color: var(--ultra-primary);
}

.ultra-tool-label {
  font-size: 9px;
  font-weight: 500;
  text-align: center;
  line-height: 1.2;
}

.ultra-ai-locked-badge {
  margin: 8px 4px;
  padding: 8px 4px;
  background: rgba(245,158,11,0.1);
  border: 1px solid rgba(245,158,11,0.2);
  border-radius: var(--ultra-radius-sm);
  font-size: 9px;
  color: var(--ultra-warning);
  text-align: center;
  line-height: 1.4;
}

/* ── Canvas Area (centre) ────────────────────────────────────────────────── */

.ultra-canvas-area {
  flex: 1;
  background: var(--ultra-bg-canvas);
  overflow: hidden;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: crosshair;
}

.ultra-canvas-viewport {
  will-change: transform;
  transition: none;
}

.ultra-main-canvas {
  display: block;
  image-rendering: auto;
  box-shadow: var(--ultra-shadow-lg);
  background-color: #ffffff;
  background-image:
    linear-gradient(45deg, #d0d0d0 25%, transparent 25%),
    linear-gradient(-45deg, #d0d0d0 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #d0d0d0 75%),
    linear-gradient(-45deg, transparent 75%, #d0d0d0 75%);
  background-size: 16px 16px;
  background-position: 0 0, 0 8px, 8px -8px, -8px 0px;
}

.ultra-zoom-indicator {
  position: absolute;
  bottom: 12px;
  left: 12px;
  background: rgba(0,0,0,0.6);
  color: white;
  font-size: 11px;
  padding: 3px 8px;
  border-radius: 20px;
  font-variant-numeric: tabular-nums;
  pointer-events: none;
}

.ultra-zoom-controls {
  position: absolute;
  bottom: 12px;
  right: 12px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.ultra-zoom-btn {
  width: 28px;
  height: 28px;
  background: rgba(0,0,0,0.6);
  color: white;
  border: none;
  border-radius: var(--ultra-radius-sm);
  font-size: 16px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--ultra-transition);
}

.ultra-zoom-btn:hover { background: rgba(0,0,0,0.8); }

.ultra-canvas-dimensions {
  position: absolute;
  top: 12px;
  right: 12px;
  background: rgba(0,0,0,0.5);
  color: white;
  font-size: 11px;
  padding: 3px 8px;
  border-radius: 20px;
  font-variant-numeric: tabular-nums;
  pointer-events: none;
}

/* ── Options Panel (right) ───────────────────────────────────────────────── */

.ultra-options-panel {
  width: var(--ultra-options-w);
  background: var(--ultra-bg-panel);
  border-left: 1px solid var(--ultra-border);
  overflow-y: auto;
  overflow-x: hidden;
  flex-shrink: 0;
}

.ultra-options-panel__inner {
  padding: 0;
}

.ultra-options-empty {
  padding: 24px 16px;
  color: var(--ultra-text-hint);
  font-size: 13px;
  text-align: center;
}

/* ── Panel Component ─────────────────────────────────────────────────────── */

.ultra-panel {
  font-family: var(--ultra-font);
  display: flex;
  flex-direction: column;
  height: 100%;
}

.ultra-panel--locked {
  opacity: 0.9;
}

.ultra-panel__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px 10px;
  border-bottom: 1px solid var(--ultra-border);
}

.ultra-panel__title {
  font-size: 13px;
  font-weight: 600;
  color: var(--ultra-text-primary);
}

.ultra-panel__section {
  padding: 14px 16px;
  border-bottom: 1px solid var(--ultra-border);
}

.ultra-panel__section:last-child { border-bottom: none; }

.ultra-panel__actions {
  padding: 12px 16px;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.ultra-section-label {
  display: block;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ultra-text-secondary);
  margin-bottom: 8px;
}

/* ── Buttons ─────────────────────────────────────────────────────────────── */

.ultra-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 16px;
  border: none;
  border-radius: var(--ultra-radius-md);
  font-family: var(--ultra-font);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--ultra-transition);
  white-space: nowrap;
  text-decoration: none;
}

.ultra-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.ultra-btn--primary {
  background: var(--ultra-primary);
  color: white;
}
.ultra-btn--primary:hover:not(:disabled) {
  background: var(--ultra-primary-hover);
  box-shadow: 0 2px 8px rgba(99,102,241,0.4);
}

.ultra-btn--secondary {
  background: var(--ultra-secondary);
  color: var(--ultra-secondary-text);
}
.ultra-btn--secondary:hover:not(:disabled) { background: var(--ultra-secondary-hover); }

.ultra-btn--secondary.ultra-btn--active,
.ultra-btn--active {
  background: var(--ultra-primary);
  color: white;
}

.ultra-btn--ghost {
  background: transparent;
  color: var(--ultra-text-secondary);
}
.ultra-btn--ghost:hover:not(:disabled) {
  background: var(--ultra-secondary);
  color: var(--ultra-text-primary);
}

.ultra-btn--sm   { padding: 4px 10px; font-size: 12px; }
.ultra-btn--lg   { padding: 10px 20px; font-size: 14px; }
.ultra-btn--full { width: 100%; }

.ultra-btn--ai {
  background: var(--ultra-ai-gradient);
  color: white;
  font-weight: 600;
}
.ultra-btn--ai:hover:not(:disabled) {
  opacity: 0.92;
  box-shadow: 0 4px 16px rgba(139,92,246,0.4);
}

.ultra-btn-group {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.ultra-btn-group--column { flex-direction: column; }

/* ── Form Controls ───────────────────────────────────────────────────────── */

.ultra-input {
  width: 100%;
  padding: 7px 10px;
  background: var(--ultra-bg-modal);
  border: 1px solid var(--ultra-border);
  border-radius: var(--ultra-radius-sm);
  color: var(--ultra-text-primary);
  font-family: var(--ultra-font);
  font-size: 13px;
  transition: border-color var(--ultra-transition);
  outline: none;
}

.ultra-input:focus { border-color: var(--ultra-primary); }
.ultra-input--sm { padding: 4px 8px; font-size: 12px; }

.ultra-select {
  width: 100%;
  padding: 7px 10px;
  background: var(--ultra-bg-modal);
  border: 1px solid var(--ultra-border);
  border-radius: var(--ultra-radius-sm);
  color: var(--ultra-text-primary);
  font-family: var(--ultra-font);
  font-size: 13px;
  cursor: pointer;
  outline: none;
}

.ultra-select--xs { font-size: 11px; padding: 3px 6px; }

.ultra-textarea {
  width: 100%;
  padding: 8px 10px;
  background: var(--ultra-bg-modal);
  border: 1px solid var(--ultra-border);
  border-radius: var(--ultra-radius-sm);
  color: var(--ultra-text-primary);
  font-family: var(--ultra-font);
  font-size: 13px;
  resize: vertical;
  outline: none;
  transition: border-color var(--ultra-transition);
}

.ultra-textarea:focus { border-color: var(--ultra-primary); }

.ultra-color-picker {
  width: 36px;
  height: 28px;
  border: 1px solid var(--ultra-border);
  border-radius: var(--ultra-radius-sm);
  padding: 2px;
  cursor: pointer;
  background: transparent;
}

/* ── Sliders ─────────────────────────────────────────────────────────────── */

.ultra-adjust-sliders {
  padding: 12px 16px;
  overflow-y: auto;
  flex: 1;
}

.ultra-slider-row {
  margin-bottom: 16px;
}

.ultra-slider-row:last-child { margin-bottom: 0; }

.ultra-slider-header {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 6px;
}

.ultra-slider-label {
  flex: 1;
  font-size: 12px;
  color: var(--ultra-text-label);
  font-weight: 500;
}

.ultra-slider-numeric {
  width: 52px;
  padding: 2px 6px;
  background: var(--ultra-bg-modal);
  border: 1px solid var(--ultra-border);
  border-radius: var(--ultra-radius-sm);
  color: var(--ultra-text-primary);
  font-size: 12px;
  font-family: var(--ultra-font-mono);
  text-align: right;
  outline: none;
}

.ultra-slider-unit {
  font-size: 11px;
  color: var(--ultra-text-hint);
  min-width: 14px;
}

.ultra-slider-track-wrapper { position: relative; }

.ultra-slider-zero-mark {
  position: absolute;
  top: 50%;
  transform: translateX(-50%) translateY(-50%);
  width: 2px;
  height: 10px;
  background: var(--ultra-border-strong);
  border-radius: 1px;
  pointer-events: none;
  z-index: 1;
}

.ultra-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 4px;
  border-radius: 2px;
  background: linear-gradient(
    to right,
    var(--ultra-primary) 0%,
    var(--ultra-primary) var(--slider-pct, 0%),
    var(--ultra-border)  var(--slider-pct, 0%),
    var(--ultra-border)  100%
  );
  outline: none;
  cursor: pointer;
}

.ultra-slider--bipolar {
  background: linear-gradient(
    to right,
    var(--ultra-border)  0%,
    var(--ultra-border)  var(--slider-from, 50%),
    var(--ultra-primary) var(--slider-from, 50%),
    var(--ultra-primary) var(--slider-to,   50%),
    var(--ultra-border)  var(--slider-to,   50%),
    var(--ultra-border)  100%
  );
}

.ultra-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px;
  height: 14px;
  background: white;
  border: 2px solid var(--ultra-primary);
  border-radius: 50%;
  cursor: pointer;
  box-shadow: 0 1px 4px rgba(0,0,0,0.2);
  transition: transform var(--ultra-transition);
}

.ultra-slider::-webkit-slider-thumb:hover { transform: scale(1.2); }
.ultra-slider::-moz-range-thumb {
  width: 14px; height: 14px;
  background: white; border: 2px solid var(--ultra-primary);
  border-radius: 50%; cursor: pointer;
}

.ultra-quality-slider { width: 100%; }
.ultra-quality-value  { color: var(--ultra-primary); font-weight: 600; }

/* ── Numeric Grid ────────────────────────────────────────────────────────── */

.ultra-numeric-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 1fr;
  gap: 8px;
}

.ultra-numeric-field {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.ultra-numeric-label {
  font-size: 10px;
  font-weight: 600;
  color: var(--ultra-text-secondary);
  text-transform: uppercase;
}

.ultra-wh-inputs {
  display: flex;
  align-items: flex-end;
  gap: 8px;
}

.ultra-lock-btn {
  width: 28px;
  height: 28px;
  background: var(--ultra-secondary);
  border: 1px solid var(--ultra-border);
  border-radius: var(--ultra-radius-sm);
  cursor: pointer;
  font-size: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-bottom: 1px;
}

.ultra-lock-btn--locked { border-color: var(--ultra-primary); }

/* ── Ratio / Shape selectors ─────────────────────────────────────────────── */

.ultra-ratio-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 4px;
}

.ultra-ratio-btn {
  padding: 5px 4px;
  background: var(--ultra-secondary);
  border: 1px solid var(--ultra-border);
  border-radius: var(--ultra-radius-sm);
  font-family: var(--ultra-font);
  font-size: 11px;
  color: var(--ultra-text-primary);
  cursor: pointer;
  text-align: center;
  transition: all var(--ultra-transition);
}

.ultra-ratio-btn:hover { border-color: var(--ultra-primary); }
.ultra-ratio-btn--active { background: var(--ultra-primary); color: white; border-color: var(--ultra-primary); }

.ultra-shape-selector {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.ultra-shape-btn {
  padding: 6px 10px;
  background: var(--ultra-secondary);
  border: 1px solid var(--ultra-border);
  border-radius: var(--ultra-radius-sm);
  font-family: var(--ultra-font);
  font-size: 12px;
  color: var(--ultra-text-primary);
  cursor: pointer;
  text-align: left;
  transition: all var(--ultra-transition);
}

.ultra-shape-btn:hover { border-color: var(--ultra-primary); }
.ultra-shape-btn--active { background: var(--ultra-primary); color: white; border-color: var(--ultra-primary); }

/* ── Filter Panel ────────────────────────────────────────────────────────── */

.ultra-filter-groups {
  display: flex;
  overflow-x: auto;
  gap: 2px;
  padding: 8px 12px;
  border-bottom: 1px solid var(--ultra-border);
  scrollbar-width: thin;
}

.ultra-filter-group-tab {
  flex-shrink: 0;
  padding: 4px 10px;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 20px;
  font-size: 11px;
  font-family: var(--ultra-font);
  color: var(--ultra-text-secondary);
  cursor: pointer;
  transition: all var(--ultra-transition);
  white-space: nowrap;
}

.ultra-filter-group-tab:hover { color: var(--ultra-text-primary); }
.ultra-filter-group-tab--active {
  background: var(--ultra-primary);
  color: white;
  border-color: var(--ultra-primary);
}

.ultra-filter-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
  padding: 10px;
}

.ultra-filter-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  background: transparent;
  border: 2px solid transparent;
  border-radius: var(--ultra-radius-sm);
  cursor: pointer;
  padding: 4px;
  transition: all var(--ultra-transition);
}

.ultra-filter-item:hover { border-color: var(--ultra-border-strong); }
.ultra-filter-item--active { border-color: var(--ultra-primary); }

.ultra-filter-preview {
  width: 72px;
  height: 54px;
  border-radius: 4px;
  overflow: hidden;
  background: var(--ultra-secondary);
}

.ultra-filter-preview--none { background: var(--ultra-secondary); }

.ultra-filter-thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.ultra-filter-thumb-loading {
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, var(--ultra-secondary) 25%, var(--ultra-border) 50%, var(--ultra-secondary) 75%);
  background-size: 200% 100%;
  animation: ultra-shimmer 1.5s infinite;
}

@keyframes ultra-shimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.ultra-filter-name {
  font-size: 10px;
  color: var(--ultra-text-secondary);
  text-align: center;
  line-height: 1.2;
  max-width: 70px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ── Format Selector (footer) ────────────────────────────────────────────── */

.ultra-format-selector {
  display: flex;
  gap: 4px;
}

.ultra-format-btn {
  padding: 4px 10px;
  background: var(--ultra-secondary);
  border: 1px solid var(--ultra-border);
  border-radius: var(--ultra-radius-sm);
  font-family: var(--ultra-font);
  font-size: 12px;
  font-weight: 500;
  color: var(--ultra-text-secondary);
  cursor: pointer;
  transition: all var(--ultra-transition);
}

.ultra-format-btn:hover { border-color: var(--ultra-primary); color: var(--ultra-text-primary); }
.ultra-format-btn--active { background: var(--ultra-primary); color: white; border-color: var(--ultra-primary); }

/* ── Footer Bar ──────────────────────────────────────────────────────────── */

.ultra-footer-bar {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 0 16px;
  height: var(--ultra-footer-h);
  background: var(--ultra-bg-footer);
  border-top: 1px solid var(--ultra-border);
  flex-shrink: 0;
  flex-wrap: wrap;
}

.ultra-footer-section {
  display: flex;
  align-items: center;
  gap: 8px;
}

.ultra-footer-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--ultra-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.ultra-footer-info {
  display: flex;
  gap: 8px;
  margin-left: auto;
  color: var(--ultra-text-hint);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
}

.ultra-footer-actions {
  display: flex;
  gap: 8px;
  margin-left: 8px;
}

.ultra-progress-bar {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--ultra-border);
}

.ultra-progress-fill {
  height: 100%;
  background: var(--ultra-primary);
  transition: width 150ms ease;
  border-radius: 0 2px 2px 0;
}

/* ── History Panel ───────────────────────────────────────────────────────── */

.ultra-history-panel {
  position: absolute;
  top: var(--ultra-header-h);
  right: 0;
  width: 220px;
  background: var(--ultra-bg-modal);
  border: 1px solid var(--ultra-border);
  border-radius: var(--ultra-radius-md);
  box-shadow: var(--ultra-shadow-lg);
  z-index: var(--ultra-zindex-overlay);
  display: flex;
  flex-direction: column;
  max-height: 400px;
}

.ultra-history-panel__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 12px;
  border-bottom: 1px solid var(--ultra-border);
  font-size: 13px;
  font-weight: 600;
  color: var(--ultra-text-primary);
}

.ultra-history-panel__list {
  flex: 1;
  overflow-y: auto;
  padding: 6px;
}

.ultra-history-item {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 6px 8px;
  background: transparent;
  border: none;
  border-radius: var(--ultra-radius-sm);
  cursor: pointer;
  font-family: var(--ultra-font);
  text-align: left;
  transition: background var(--ultra-transition);
}

.ultra-history-item:hover { background: var(--ultra-secondary); }
.ultra-history-item--active { background: rgba(99,102,241,0.1); }

.ultra-history-thumb {
  width: 32px;
  height: 24px;
  object-fit: cover;
  border-radius: 2px;
  flex-shrink: 0;
}

.ultra-history-thumb-placeholder {
  width: 32px;
  height: 24px;
  background: var(--ultra-secondary);
  border-radius: 2px;
}

.ultra-history-label {
  font-size: 12px;
  color: var(--ultra-text-primary);
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.ultra-history-current-badge {
  font-size: 9px;
  background: var(--ultra-primary);
  color: white;
  padding: 1px 5px;
  border-radius: 10px;
}

.ultra-history-empty { font-size: 12px; color: var(--ultra-text-hint); padding: 16px; text-align: center; }

.ultra-history-panel__footer { padding: 8px; border-top: 1px solid var(--ultra-border); }

/* ── Loading Overlay ─────────────────────────────────────────────────────── */

.ultra-loading-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  z-index: var(--ultra-zindex-overlay);
}

.ultra-spinner {
  width: 36px;
  height: 36px;
  border: 3px solid rgba(255,255,255,0.2);
  border-top-color: white;
  border-radius: 50%;
  animation: ultra-spin 700ms linear infinite;
}

.ultra-spinner--sm {
  width: 14px;
  height: 14px;
  border-width: 2px;
}

@keyframes ultra-spin {
  to { transform: rotate(360deg); }
}

@keyframes ultra-indeterminate {
  0%   { margin-left: -40%; width: 40%; }
  100% { margin-left: 100%; width: 40%; }
}

.ultra-loading-message {
  color: white;
  font-size: 14px;
  font-family: var(--ultra-font);
}

/* ── Toast Notifications ─────────────────────────────────────────────────── */

.ultra-toast-container {
  position: fixed;
  bottom: 20px;
  right: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: var(--ultra-zindex-toast);
  pointer-events: none;
}

.ultra-toast {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background: var(--ultra-bg-modal);
  border: 1px solid var(--ultra-border);
  border-radius: var(--ultra-radius-md);
  box-shadow: var(--ultra-shadow-md);
  font-family: var(--ultra-font);
  font-size: 13px;
  color: var(--ultra-text-primary);
  max-width: 360px;
  animation: ultra-toast-in 250ms ease;
  pointer-events: all;
  border-left: 4px solid var(--ultra-info);
}

.ultra-toast--success { border-left-color: var(--ultra-success); }
.ultra-toast--error   { border-left-color: var(--ultra-error);   }
.ultra-toast--warning { border-left-color: var(--ultra-warning); }
.ultra-toast--info    { border-left-color: var(--ultra-info);    }

@keyframes ultra-toast-in {
  from { transform: translateX(100%); opacity: 0; }
  to   { transform: translateX(0);   opacity: 1; }
}

.ultra-toast__icon { font-size: 14px; }
.ultra-toast__message { flex: 1; line-height: 1.4; }
.ultra-toast__close {
  background: transparent;
  border: none;
  color: var(--ultra-text-hint);
  cursor: pointer;
  font-size: 16px;
  padding: 0;
  line-height: 1;
}

/* ── AI Panel ────────────────────────────────────────────────────────────── */

.ultra-ai-badge {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.05em;
  padding: 2px 6px;
  background: var(--ultra-ai-gradient);
  color: white;
  border-radius: 10px;
}

.ultra-ai-locked {
  padding: 24px 16px;
  text-align: center;
}

.ultra-ai-locked__icon { font-size: 32px; margin-bottom: 12px; }
.ultra-ai-locked__title { font-size: 15px; font-weight: 600; color: var(--ultra-text-primary); margin-bottom: 8px; }
.ultra-ai-locked__desc  { font-size: 13px; color: var(--ultra-text-secondary); line-height: 1.5; margin-bottom: 8px; }
.ultra-ai-locked__cta   { font-size: 12px; color: var(--ultra-text-hint); line-height: 1.5; }

.ultra-ai-disabled {
  padding: 24px 16px;
  text-align: center;
  border: 1px dashed var(--ultra-border);
  border-radius: var(--ultra-radius);
  background: var(--ultra-secondary);
  margin: 8px 0;
}
.ultra-ai-disabled__icon  { font-size: 28px; margin-bottom: 10px; }
.ultra-ai-disabled__title { font-size: 14px; font-weight: 600; color: var(--ultra-text-primary); margin-bottom: 6px; }
.ultra-ai-disabled__desc  { font-size: 12px; color: var(--ultra-text-secondary); line-height: 1.5; margin-bottom: 8px; }
.ultra-ai-disabled__code  {
  display: inline-block;
  font-family: monospace;
  font-size: 11px;
  padding: 4px 10px;
  background: var(--ultra-bg-panel);
  border: 1px solid var(--ultra-border);
  border-radius: var(--ultra-radius-sm);
  color: var(--ultra-primary);
  user-select: all;
}

.ultra-ai-progress-track {
  width: 100%;
  height: 6px;
  background: var(--ultra-secondary);
  border-radius: 3px;
  overflow: hidden;
}
.ultra-ai-progress-fill {
  height: 100%;
  background: var(--ultra-primary);
  border-radius: 3px;
  transition: width 200ms ease;
}

.ultra-bg-options { display: flex; flex-wrap: wrap; gap: 6px; }
.ultra-bg-option {
  padding: 5px 10px;
  background: var(--ultra-secondary);
  border: 1px solid var(--ultra-border);
  border-radius: var(--ultra-radius-sm);
  font-size: 12px;
  font-family: var(--ultra-font);
  color: var(--ultra-text-primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 4px;
  transition: all var(--ultra-transition);
}
.ultra-bg-option:hover { border-color: var(--ultra-primary); }
.ultra-bg-option--active { background: var(--ultra-primary); color: white; border-color: var(--ultra-primary); }
.ultra-hint-sm { font-size: 11px; color: var(--ultra-text-hint); margin-top: 4px; line-height: 1.4; }

.ultra-variants-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.ultra-variant-item {
  background: transparent;
  border: 2px solid var(--ultra-border);
  border-radius: var(--ultra-radius-sm);
  cursor: pointer;
  overflow: hidden;
  transition: border-color var(--ultra-transition);
  display: flex;
  flex-direction: column;
}
.ultra-variant-item:hover { border-color: var(--ultra-primary); }
.ultra-variant-item--selected { border-color: var(--ultra-success); }
.ultra-variant-img { width: 100%; aspect-ratio: 1; object-fit: cover; display: block; }
.ultra-variant-label { font-size: 10px; padding: 4px; text-align: center; color: var(--ultra-text-secondary); font-family: var(--ultra-font); }

.ultra-warning { color: var(--ultra-warning); font-weight: 600; }

/* ── Misc helpers ────────────────────────────────────────────────────────── */

.ultra-hint    { font-size: 12px; color: var(--ultra-text-hint); line-height: 1.5; }
.ultra-steps   { font-size: 12px; color: var(--ultra-text-secondary); line-height: 1.8; padding-left: 16px; }
.ultra-char-count { font-size: 11px; color: var(--ultra-text-hint); text-align: right; margin-top: 2px; }
.ultra-chip-group { display: flex; flex-wrap: wrap; gap: 4px; }
.ultra-chip {
  padding: 4px 10px;
  background: var(--ultra-secondary);
  border: 1px solid var(--ultra-border);
  border-radius: 20px;
  font-size: 11px;
  font-family: var(--ultra-font);
  color: var(--ultra-text-primary);
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--ultra-transition);
}
.ultra-chip:hover { border-color: var(--ultra-primary); }
.ultra-chip--active { background: var(--ultra-primary); color: white; border-color: var(--ultra-primary); }

.ultra-preset-chips { display: flex; flex-wrap: wrap; gap: 4px; }

.ultra-input-with-btn { display: flex; gap: 6px; align-items: center; }
.ultra-input-suffix   { font-size: 12px; color: var(--ultra-text-hint); }

.ultra-inline-controls { display: flex; gap: 12px; align-items: flex-end; }

.ultra-text-preview {
  padding: 12px;
  background: rgba(0,0,0,0.6);
  border-radius: var(--ultra-radius-sm);
  text-align: center;
  word-break: break-word;
  line-height: 1.4;
}

.ultra-toggle-label  { display: flex; align-items: center; gap: 8px; cursor: pointer; }
.ultra-toggle-input  { position: absolute; opacity: 0; width: 0; height: 0; }
.ultra-toggle-track  {
  width: 36px; height: 20px;
  background: var(--ultra-border-strong);
  border-radius: 10px;
  position: relative;
  transition: background var(--ultra-transition);
  flex-shrink: 0;
}
.ultra-toggle-input:checked + .ultra-toggle-track { background: var(--ultra-primary); }
.ultra-toggle-track::after {
  content: '';
  position: absolute;
  top: 2px; left: 2px;
  width: 16px; height: 16px;
  background: white;
  border-radius: 50%;
  transition: transform var(--ultra-transition);
}
.ultra-toggle-input:checked + .ultra-toggle-track::after { transform: translateX(16px); }
.ultra-toggle-text { font-size: 12px; color: var(--ultra-text-primary); }

.ultra-layer-list { display: flex; flex-direction: column; gap: 4px; }
.ultra-layer-item { display: flex; align-items: center; gap: 6px; padding: 4px 6px; background: var(--ultra-secondary); border-radius: var(--ultra-radius-sm); border: 1.5px solid transparent; transition: border-color var(--ultra-transition); }
.ultra-layer-item--active { border-color: var(--ultra-primary); background: rgba(99,102,241,0.08); }
.ultra-layer-visibility { background: none; border: none; cursor: pointer; font-size: 14px; }
.ultra-layer-visibility--hidden { opacity: 0.4; }
.ultra-layer-name { flex: 1; font-size: 12px; color: var(--ultra-text-primary); }
.ultra-layer-remove { background: none; border: none; cursor: pointer; color: var(--ultra-error); font-size: 14px; }

/* ── Crop Overlay ────────────────────────────────────────────────────────── */
.ultra-crop-overlay { user-select: none; }
.ultra-grid-overlay { user-select: none; }

/* ── Text Panel Checkbox ───────────────────────────────────────────── */
.ultra-checkbox-field { display: flex; align-items: center; margin-right: 16px; }
.ultra-checkbox-label { 
  display: flex; align-items: center; 
  cursor: pointer; font-size: 14px; color: var(--ultra-text-secondary);
  user-select: none; gap: 8px;
}
.ultra-checkbox { 
  width: 16px; height: 16px; 
  accent-color: var(--ultra-primary); 
  cursor: pointer;
}

/* ── Numeric Field Suffix ─────────────────────────────────────────── */
.ultra-numeric-suffix { 
  font-size: 12px; 
  color: var(--ultra-text-secondary); 
  margin-left: 4px; 
  font-weight: 500;
}

/* ── Responsive ──────────────────────────────────────────────────────────── */

@media (max-width: 1024px) {
  .ultra-options-panel {
    position: fixed;
    bottom: var(--ultra-footer-h);
    left: var(--ultra-sidebar-w);
    right: 0;
    width: auto;
    max-height: 280px;
    border-top: 1px solid var(--ultra-border);
    border-left: none;
  }
}

@media (max-width: 768px) {
  .ultra-tool-sidebar {
    position: fixed;
    bottom: var(--ultra-footer-h);
    left: 0;
    right: 0;
    width: 100%;
    height: 56px;
    flex-direction: row;
    overflow-x: auto;
    overflow-y: hidden;
    border-right: none;
    border-top: 1px solid rgba(255,255,255,0.05);
  }

  .ultra-tool-group { flex-direction: row; border-bottom: none; border-right: 1px solid rgba(255,255,255,0.05); padding: 0 4px; }
  .ultra-tool-group-label { display: none; }
  .ultra-tool-btn { width: 48px; height: 48px; }
  .ultra-tool-label { display: none; }

  .ultra-options-panel {
    bottom: calc(var(--ultra-footer-h) + 56px);
    max-height: 240px;
    left: 0;
  }

  .ultra-footer-bar { padding: 0 10px; gap: 8px; }
  .ultra-footer-section:not(:last-child) { display: none; }
}

/* ── Demo App Styles ─────────────────────────────────────────────────────── */

.demo-header {
  background: var(--ultra-bg-modal, #fff);
  border-bottom: 1px solid var(--ultra-border, #e5e7eb);
  padding: 0;
}
.demo-header__inner {
  max-width: 900px;
  margin: 0 auto;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.demo-title { font-size: 22px; font-weight: 700; color: var(--ultra-text-primary, #1a1d23); }
.demo-title__logo { margin-right: 6px; }
.demo-title__version {
  font-size: 14px; background: var(--ultra-primary, #6366f1);
  color: white; padding: 1px 8px; border-radius: 20px; vertical-align: middle;
}
.demo-subtitle { font-size: 13px; color: var(--ultra-text-secondary, #6b7280); }
.demo-theme-toggle {
  margin-left: auto;
  padding: 6px 14px;
  background: var(--ultra-secondary, #f3f4f6);
  border: 1px solid var(--ultra-border, #e5e7eb);
  border-radius: 20px;
  font-size: 13px;
  cursor: pointer;
  color: var(--ultra-text-primary, #1a1d23);
  font-family: var(--ultra-font);
}

.demo-tabs {
  display: flex;
  gap: 0;
  padding: 0 24px;
  background: var(--ultra-bg-modal, #fff);
  border-bottom: 1px solid var(--ultra-border, #e5e7eb);
  max-width: 900px;
  margin: 0 auto;
  overflow-x: auto;
}
.demo-tab {
  padding: 10px 18px;
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  font-family: var(--ultra-font);
  font-size: 13px;
  color: var(--ultra-text-secondary, #6b7280);
  cursor: pointer;
  white-space: nowrap;
  transition: all 150ms ease;
}
.demo-tab:hover { color: var(--ultra-text-primary, #1a1d23); }
.demo-tab--active {
  color: var(--ultra-primary, #6366f1);
  border-bottom-color: var(--ultra-primary, #6366f1);
  font-weight: 600;
}

.demo-main {
  max-width: 900px;
  margin: 0 auto;
  padding: 24px;
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 24px;
  align-items: start;
}

@media (max-width: 640px) { .demo-main { grid-template-columns: 1fr; } }

.demo-card {
  background: var(--ultra-bg-modal, #fff);
  border: 1px solid var(--ultra-border, #e5e7eb);
  border-radius: 12px;
  padding: 24px;
}
.demo-card__title { font-size: 18px; font-weight: 700; color: var(--ultra-text-primary, #1a1d23); margin-bottom: 6px; }
.demo-card__desc  { font-size: 13px; color: var(--ultra-text-secondary, #6b7280); margin-bottom: 16px; }

.demo-code {
  background: #1e2028;
  color: #a5b4fc;
  border-radius: 8px;
  padding: 14px 16px;
  font-size: 12px;
  font-family: var(--ultra-font-mono, monospace);
  overflow-x: auto;
  margin-bottom: 20px;
  line-height: 1.6;
  white-space: pre;
}

.demo-upload-area { display: flex; justify-content: center; padding: 8px 0; }

.demo-result { margin-top: 20px; padding-top: 20px; border-top: 1px solid var(--ultra-border, #e5e7eb); }
.demo-result__title { font-size: 14px; font-weight: 600; color: var(--ultra-success, #10b981); margin-bottom: 4px; }
.demo-result__url { font-size: 11px; color: var(--ultra-text-hint, #9ca3af); word-break: break-all; margin-top: 8px; }

.demo-features {
  background: var(--ultra-bg-modal, #fff);
  border: 1px solid var(--ultra-border, #e5e7eb);
  border-radius: 12px;
  padding: 20px;
}
.demo-features__title { font-size: 14px; font-weight: 700; color: var(--ultra-text-primary, #1a1d23); margin-bottom: 12px; }
.demo-features__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 12px;
  color: var(--ultra-text-secondary, #6b7280);
  line-height: 1.4;
}
body {
    padding: 0;
    margin: 0;
}

.mode-btn-group {
    display: flex;
    align-items: center;
    justify-content: center;
    background:var(--ultra-bg-header);
    border-radius: 100px;
    padding: 3px;
}

.mode-btn-group button {
    border: 0 !important;
    width: 26px !important;
    height: 26px !important;
}