/* ═══════════════════════════════════════════════════════
   HopeDraw — Design System
   Dark theme · Glassmorphism panels · Inter font
═══════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;600&display=swap');

/* ─── CSS Variables ─────────────────────────────────── */
:root {
  --bg-deep: #0e0e1a;
  --bg-canvas: #141420;
  --bg-panel: rgba(18, 18, 32, 0.97);
  --bg-panl-2: rgba(30, 30, 50, 0.90);
  --glass: rgba(255, 255, 255, 0.05);
  --glass-hover: rgba(255, 255, 255, 0.11);
  --border: rgba(255, 255, 255, 0.16);
  --border-light: rgba(255, 255, 255, 0.10);

  --accent: #6c63ff;
  --accent-hover: #7d75ff;
  --accent-dim: rgba(108, 99, 255, 0.22);
  --accent-2: #ff6b8a;
  --accent-3: #4ae4c7;

  /* Text contrast scale — readable at all sizes */
  --text-primary: #f0f0fa;
  /* near-white, main labels */
  --text-second: rgba(240, 240, 250, 0.80);
  /* 80% — secondary UI text */
  --text-muted: rgba(240, 240, 250, 0.60);
  /* 60% — status bar, hints */

  --success: #4ade80;
  --warning: #fbbf24;
  --danger: #f87171;

  --toolbar-w: 52px;
  --right-w: 270px;
  --menubar-h: 44px;
  --scrollbar-w: 4px;

  --radius: 10px;
  --radius-sm: 6px;
  --shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
  --anim: 0.18s ease;
}


/* ─── Reset ─────────────────────────────────────────── */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html,
body {
  height: 100%;
  overflow: hidden;
}

body {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 13px;
  background: var(--bg-deep);
  color: var(--text-primary);
  -webkit-font-smoothing: antialiased;
  user-select: none;
}

/* ─── Scrollbars ────────────────────────────────────── */
::-webkit-scrollbar {
  width: var(--scrollbar-w);
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.15);
  border-radius: 2px;
}

/* ─── App Layout ────────────────────────────────────── */
#app {
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
}

/* ─── Menu Bar ──────────────────────────────────────── */
#menu-bar {
  height: var(--menubar-h);
  background: var(--bg-panel);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 12px;
  gap: 8px;
  flex-shrink: 0;
  z-index: 100;
  backdrop-filter: blur(12px);
}

#logo {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -0.3px;
  margin-right: 8px;
}

.logo-hope {
  color: var(--accent);
}

.logo-draw {
  color: var(--text-primary);
}

#main-menu {
  display: flex;
  gap: 2px;
}

.menu-btn {
  background: none;
  border: none;
  color: var(--text-second);
  padding: 5px 10px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 13px;
  transition: background var(--anim), color var(--anim);
}

.menu-btn:hover,
.menu-btn.active {
  background: var(--glass-hover);
  color: var(--text-primary);
}

#project-title-wrap {
  flex: 1;
  text-align: center;
}

#project-title {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-second);
  max-width: 260px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  display: inline-block;
}

#header-actions {
  display: flex;
  align-items: center;
  gap: 4px;
}

.icon-btn {
  background: var(--glass);
  border: 1px solid var(--border);
  color: var(--text-second);
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--anim);
  font-size: 13px;
}

.icon-btn svg {
  width: 16px;
  height: 16px;
}

.icon-btn:hover {
  background: var(--glass-hover);
  color: var(--text-primary);
  border-color: var(--border);
}

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

#zoom-controls {
  display: flex;
  align-items: center;
  gap: 4px;
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 2px;
}

#zoom-display {
  font-size: 12px;
  color: var(--text-second);
  min-width: 38px;
  text-align: center;
}

#zoom-controls .icon-btn {
  width: 24px;
  height: 24px;
  border: none;
  font-size: 16px;
  line-height: 1;
  background: none;
}

#zoom-controls .icon-btn:hover {
  background: var(--glass-hover);
}

/* ─── Workspace ─────────────────────────────────────── */
#workspace {
  display: flex;
  flex: 1;
  overflow: hidden;
}

/* ─── Toolbar ───────────────────────────────────────── */
#toolbar {
  width: var(--toolbar-w);
  background: var(--bg-panel);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 8px 0;
  gap: 2px;
  flex-shrink: 0;
  overflow-y: auto;
}

.tool-group {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  width: 100%;
  padding: 0 6px;
}

.tool-btn {
  width: 38px;
  height: 38px;
  background: none;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--anim);
  position: relative;
}

.tool-btn svg {
  width: 18px;
  height: 18px;
}

.tool-btn:hover {
  background: var(--glass-hover);
  color: var(--text-primary);
  border-color: var(--border);
  transform: scale(1.05);
}

.tool-btn.active {
  background: var(--accent-dim);
  border-color: var(--accent);
  color: var(--accent);
}

.tool-separator {
  width: 28px;
  height: 1px;
  background: var(--border);
  margin: 4px 0;
}

/* ─── Canvas Area ───────────────────────────────────── */
#canvas-area {
  flex: 1;
  position: relative;
  overflow: hidden;
  background: var(--bg-canvas);
  display: flex;
  flex-direction: column;
}

#canvas-container {
  flex: 1;
  position: relative;
  overflow: hidden;
}

#main-canvas {
  width: 100%;
  height: 100%;
  display: block;
  touch-action: none;
}

#canvas-status-bar {
  height: 24px;
  background: var(--bg-panel);
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 12px;
  gap: 12px;
  font-size: 11px;
  color: var(--text-muted);
  flex-shrink: 0;
}

#canvas-info-sep {
  opacity: 0.4;
}

/* Pushes snap controls to the right */
.status-sep {
  flex: 1;
}

/* Snap-to-grid label */
#snap-control,
#grid-size-control {
  display: flex;
  align-items: center;
  gap: 4px;
  color: var(--text-muted);
  cursor: pointer;
  user-select: none;
}

#snap-control input[type="checkbox"] {
  cursor: pointer;
  accent-color: var(--accent, #6c63ff);
}

#grid-size-control input[type="number"] {
  background: var(--bg-input, var(--bg-dark, #0d0d1a));
  border: 1px solid var(--border);
  border-radius: 3px;
  color: var(--text-muted);
  font-size: 11px;
  padding: 1px 4px;
  text-align: right;
}

#grid-size-control input[type="number"]:focus {
  outline: none;
  border-color: var(--accent, #6c63ff);
  color: var(--text);
}

/* Hide browser number-input arrows for compactness */
#grid-size-control input[type="number"]::-webkit-inner-spin-button,
#grid-size-control input[type="number"]::-webkit-outer-spin-button {
  opacity: 1;
}


/* ─── Right Panel ───────────────────────────────────── */
#right-panel {
  width: var(--right-w);
  background: var(--bg-panel);
  border-left: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  overflow: hidden;
}

#properties-panel {
  flex: 1;
  overflow-y: auto;
  min-height: 0;
}

#layers-panel {
  height: 220px;
  border-top: 1px solid var(--border);
  flex-shrink: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px 8px;
  font-weight: 600;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.7px;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-light);
  flex-shrink: 0;
}

.panel-action-btn {
  background: var(--glass);
  border: 1px solid var(--border);
  color: var(--text-second);
  width: 20px;
  height: 20px;
  border-radius: 4px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  line-height: 1;
  transition: all var(--anim);
}

.panel-action-btn:hover {
  background: var(--accent-dim);
  color: var(--accent);
  border-color: var(--accent);
}

/* ─── Properties Content ────────────────────────────── */
#page-props {
  padding: 8px 8px 4px;
  border-bottom: 1px solid var(--border);
}

#shape-props {
  padding: 8px;
}

.no-selection-msg {
  color: var(--text-muted);
  font-size: 12px;
  text-align: center;
  padding: 20px 12px;
  line-height: 1.5;
}

.prop-section {
  margin-bottom: 6px;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.prop-section-title {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--text-muted);
  padding: 6px 10px 4px;
  background: var(--glass);
  border-bottom: 1px solid var(--border-light);
}

.prop-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 5px 10px;
  border-bottom: 1px solid var(--border-light);
  min-height: 32px;
}

.prop-row:last-child {
  border-bottom: none;
}

.prop-row label {
  font-size: 11px;
  color: var(--text-second);
  min-width: 70px;
  flex-shrink: 0;
}

.prop-row input[type="number"] {
  background: var(--glass);
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 4px 6px;
  border-radius: 5px;
  font-size: 12px;
  width: 70px;
  transition: border-color var(--anim);
  font-family: 'JetBrains Mono', monospace;
}

.prop-row input[type="number"]:focus {
  outline: none;
  border-color: var(--accent);
}

/* ─── Color Swatches & Custom Picker ─── */

.color-swatch {
  width: 36px;
  height: 26px;
  border: 1px solid var(--border);
  border-radius: 5px;
  cursor: pointer;
  background:
    linear-gradient(45deg, #ccc 25%, transparent 25%, transparent 75%, #ccc 75%, #ccc),
    linear-gradient(45deg, #ccc 25%, transparent 25%, transparent 75%, #ccc 75%, #ccc);
  background-color: #fff;
  background-size: 10px 10px;
  background-position: 0 0, 5px 5px;
  position: relative;
  overflow: hidden;
}

.color-swatch-inner {
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.color-swatch-none {
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--danger);
  transform: translateY(-50%) rotate(45deg);
}

.color-picker-popup {
  position: fixed;
  z-index: 10000;
  background: var(--bg-deep);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
  display: flex;
  flex-direction: column;
  gap: 12px;
  width: 220px;
}

.cp-sv-pad {
  width: 100%;
  height: 140px;
  background-color: red;
  background-image:
    linear-gradient(to right, #fff, rgba(255, 255, 255, 0)),
    linear-gradient(to top, #000, rgba(0, 0, 0, 0));
  border-radius: 4px;
  position: relative;
  cursor: crosshair;
  user-select: none;
}

.cp-sv-cursor {
  position: absolute;
  width: 12px;
  height: 12px;
  border: 2px solid white;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  box-shadow: 0 0 2px rgba(0, 0, 0, 0.5);
  pointer-events: none;
}

.cp-sliders {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.cp-slider-wrap {
  position: relative;
  height: 16px;
  border-radius: 8px;
  background: #333;
}

.cp-hue-slider {
  position: absolute;
  inset: 0;
  border-radius: 8px;
  background: linear-gradient(to right, #f00 0%, #ff0 17%, #0f0 33%, #0ff 50%, #00f 67%, #f0f 83%, #f00 100%);
  pointer-events: none;
}

.cp-alpha-bg {
  position: absolute;
  inset: 0;
  border-radius: 8px;
  background:
    linear-gradient(45deg, #aaa 25%, transparent 25%, transparent 75%, #aaa 75%, #aaa),
    linear-gradient(45deg, #aaa 25%, transparent 25%, transparent 75%, #aaa 75%, #aaa);
  background-color: #fff;
  background-size: 8px 8px;
  background-position: 0 0, 4px 4px;
  pointer-events: none;
}

.cp-alpha-slider {
  position: absolute;
  inset: 0;
  border-radius: 8px;
  pointer-events: none;
}

.cp-slider {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: ew-resize;
}

.cp-inputs {
  display: flex;
  gap: 8px;
}

.cp-text-input {
  flex: 1;
  min-width: 0;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 4px 8px;
  border-radius: 4px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
}

.cp-btn {
  background: var(--surface-hover);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 4px 8px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 12px;
}

.cp-btn:hover {
  background: var(--border);
}

.prop-row input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  height: 4px;
  background: var(--border);
  border-radius: 2px;
  outline: none;
}

.prop-row input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px;
  height: 14px;
  background: var(--accent);
  border-radius: 50%;
  cursor: pointer;
}

.prop-row select {
  background: var(--glass);
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 4px 6px;
  border-radius: 5px;
  font-size: 12px;
  flex: 1;
  cursor: pointer;
  transition: border-color var(--anim);
}

.prop-row select:focus {
  outline: none;
  border-color: var(--accent);
}

.prop-suffix {
  font-size: 11px;
  color: var(--text-muted);
}

/* Toggle buttons (Bold/Italic/Underline) */
.prop-toggles {
  gap: 6px;
}

.toggle-group {
  display: flex;
  gap: 3px;
}

.toggle-btn {
  width: 28px;
  height: 26px;
  background: var(--glass);
  border: 1px solid var(--border);
  color: var(--text-second);
  border-radius: 5px;
  cursor: pointer;
  font-size: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--anim);
}

.toggle-btn:hover {
  background: var(--glass-hover);
  color: var(--text-primary);
}

.toggle-btn.active {
  background: var(--accent-dim);
  border-color: var(--accent);
  color: var(--accent);
}

/* Buttons */
.btn-primary {
  background: var(--accent);
  border: none;
  color: white;
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  transition: background var(--anim), transform var(--anim);
}

.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
}

.btn-sm {
  padding: 3px 9px;
  font-size: 11px;
}

.btn-secondary {
  background: var(--glass);
  border: 1px solid var(--border);
  color: var(--text-second);
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 13px;
  transition: all var(--anim);
}

.btn-secondary:hover {
  background: var(--glass-hover);
  color: var(--text-primary);
}

/* ─── Layers Panel ──────────────────────────────────── */
#layers-list {
  flex: 1;
  overflow-y: auto;
  padding: 4px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.layer-row {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 5px 6px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  transition: all var(--anim);
  cursor: pointer;
}

.layer-row:hover {
  background: var(--glass);
  border-color: var(--border-light);
}

.layer-row.active {
  background: var(--accent-dim);
  border-color: rgba(108, 99, 255, 0.3);
}

.layer-drag-handle {
  color: var(--text-muted);
  cursor: grab;
  font-size: 14px;
  line-height: 1;
}

.layer-drag-handle:active {
  cursor: grabbing;
}

.layer-icon-btn {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 12px;
  padding: 2px;
  border-radius: 3px;
  color: var(--text-muted);
  transition: all var(--anim);
  flex-shrink: 0;
}

.layer-icon-btn:hover {
  background: var(--glass-hover);
  color: var(--text-primary);
}

.layer-name {
  flex: 1;
  font-size: 12px;
  color: var(--text-primary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  border-radius: 3px;
  padding: 0 3px;
  outline: none;
}

.layer-name:focus {
  background: var(--glass-hover);
}

.layer-count {
  font-size: 10px;
  color: var(--text-muted);
  background: var(--glass);
  border-radius: 10px;
  padding: 1px 5px;
  flex-shrink: 0;
}

/* ─── Dropdown Menu ─────────────────────────────────── */
#dropdown-menu {
  position: fixed;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  min-width: 200px;
  z-index: 1000;
  padding: 4px;
  animation: fadeSlideDown 0.12s ease;
  backdrop-filter: blur(12px);
}

@keyframes fadeSlideDown {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.dd-sep {
  height: 1px;
  background: var(--border);
  margin: 4px 0;
}

.dd-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  background: none;
  border: none;
  color: var(--text-primary);
  padding: 7px 10px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 13px;
  text-align: left;
  transition: background var(--anim);
  gap: 16px;
}

.dd-item:hover:not(:disabled) {
  background: var(--glass-hover);
}

.dd-item:disabled {
  color: var(--text-muted);
  cursor: not-allowed;
}

.dd-shortcut {
  font-size: 11px;
  color: var(--text-muted);
  font-family: 'JetBrains Mono', monospace;
  flex-shrink: 0;
}

/* ─── Modal ─────────────────────────────────────────── */
#modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  backdrop-filter: blur(4px);
}

#modal-box {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  min-width: 340px;
  max-width: 90vw;
  animation: fadeScaleIn 0.15s ease;
}

@keyframes fadeScaleIn {
  from {
    opacity: 0;
    transform: scale(0.95);
  }

  to {
    opacity: 1;
    transform: scale(1);
  }
}

#modal-title {
  font-size: 15px;
  font-weight: 600;
  padding: 16px 20px 12px;
  border-bottom: 1px solid var(--border);
}

#modal-body {
  padding: 16px 20px;
}

#modal-actions {
  padding: 12px 20px 16px;
  display: flex;
  gap: 8px;
  justify-content: flex-end;
  border-top: 1px solid var(--border);
}

.project-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.project-item {
  width: 100%;
  background: var(--glass);
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 14px;
  text-align: left;
  transition: all var(--anim);
}

.project-item:hover {
  background: var(--accent-dim);
  border-color: var(--accent);
}

/* ─── Formula Editor ────────────────────────────────── */
#formula-editor {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  background: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(4px);
}

#formula-editor-inner {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  width: 500px;
  max-width: 95vw;
  display: flex;
  flex-direction: column;
  gap: 0;
  overflow: hidden;
  animation: fadeScaleIn 0.15s ease;
}

.formula-editor-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px 10px;
  font-weight: 600;
  font-size: 14px;
  border-bottom: 1px solid var(--border);
}

#formula-close {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 16px;
  border-radius: 4px;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--anim);
}

#formula-close:hover {
  background: var(--glass-hover);
  color: var(--text-primary);
}

#formula-preview {
  min-height: 80px;
  background: var(--glass);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  font-size: 18px;
}

#formula-preview .katex {
  color: var(--text-primary);
}

#formula-input {
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  background: var(--bg-deep);
  border: none;
  color: var(--text-primary);
  padding: 14px 16px;
  resize: vertical;
  min-height: 80px;
  outline: none;
  border-bottom: 1px solid var(--border);
}

#formula-input::placeholder {
  color: var(--text-muted);
}

.formula-editor-hint {
  font-size: 11px;
  color: var(--text-muted);
  padding: 6px 16px;
  border-bottom: 1px solid var(--border);
}

#formula-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
  padding: 12px 16px;
}

/* ─── Text Shape Content ────────────────────────────── */
.text-shape-content {
  font-family: 'Inter', sans-serif;
  line-height: 1.5;
}

.text-shape-content p,
.text-shape-content div {
  margin: 0;
  padding: 0;
}

/* ─── Formula Shape ─────────────────────────────────── */
.formula-shape-wrap .katex {
  color: inherit;
}

/* ─── Context Menu ──────────────────────────────────── */
#context-menu {
  position: fixed;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  min-width: 170px;
  z-index: 3000;
  padding: 4px;
  backdrop-filter: blur(12px);
}

/* ─── Animations ────────────────────────────────────── */
@keyframes pulse {

  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0.6;
  }
}

/* ─── Grid ───────────────────────────────────────────  */
.grid-visible {
  pointer-events: none;
}