/* ============================================================
   CookieCutCo - Design System & Layout
   ============================================================ */

:root {
  /* ── Cookie Cut Co. brand palette ── */
  --ink:         #15313D;
  --cream:       #FBF7F2;
  --sea:         #81B1C5;
  --berry:       #BA6969;
  --honey:       #EDB061;

  /* ── Tonal scale - warm ink-teal (not cold blue-grey) ── */
  --bg:          #0d1f29;   /* deep ink backdrop - viewport + page */
  --bg2:         #15313D;   /* ink - topbar & sidebar */
  --bg3:         #1c3e4e;   /* mid-tone panel background */
  --bg4:         #234c5e;   /* inputs, buttons, cards */
  --border:      #2d5f74;
  --border2:     #3a7490;

  /* ── Text - cream-tinted ── */
  --text:        #FBF7F2;   /* cream */
  --text2:       #a8c6d0;   /* sea-tinted muted */
  --text3:       #5f8fa0;   /* very muted */

  /* ── Brand accents ── */
  --accent:      #EDB061;        /* honey - primary CTA */
  --accent-hover:#f5c484;
  --accent-dim:  rgba(237,176,97,0.14);
  --success:     #3ecf8e;
  --warn:        #EDB061;        /* honey doubles as warn */
  --danger:      #BA6969;        /* berry */
  --danger-dim:  rgba(186,105,105,0.14);

  --radius:    8px;
  --radius-sm: 5px;
  --radius-lg: 12px;
  --shadow:    0 4px 20px rgba(13,31,41,0.6);
  --sidebar-w: 300px;
  --topbar-h:  52px;
  --font:  'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --mono:  'JetBrains Mono', 'Fira Code', monospace;
  --transition: 0.18s ease;
}

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

html, body {
  height: 100%;
  overflow: hidden;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  font-size: 13px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* ---- TOPBAR ---- */
.topbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--topbar-h);
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 14px;
  gap: 8px;
  z-index: 100;
}

.topbar-left { display: flex; align-items: center; gap: 12px; flex: 1; min-width: 0; }
.topbar-center { display: flex; align-items: center; gap: 4px; }
.topbar-right { display: flex; align-items: center; gap: 6px; flex: 1; justify-content: flex-end; position: relative; }

.logo { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }
.logo-text {
  font-size: 15px;
  font-weight: 700;
  background: linear-gradient(135deg, #EDB061, #81B1C5);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.3px;
}

.project-name-input {
  background: transparent;
  border: none;
  border-bottom: 1px solid transparent;
  color: var(--text);
  font: inherit;
  font-size: 13px;
  font-weight: 500;
  padding: 2px 4px;
  max-width: 200px;
  transition: border-color var(--transition);
  outline: none;
}
.project-name-input:hover { border-bottom-color: var(--border); }
.project-name-input:focus { border-bottom-color: var(--accent); }

.tb-btn {
  display: flex; align-items: center; justify-content: center;
  gap: 5px;
  height: 30px;
  padding: 0 8px;
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  color: var(--text2);
  font: inherit; font-size: 12px; font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}
.tb-btn:hover { background: var(--bg4); color: var(--text); border-color: var(--border); }
.tb-btn-label { padding: 0 10px; }
.tb-btn-primary {
  background: var(--accent);
  color: #15313D;
  border-color: var(--accent);
  font-weight: 600;
}
.tb-btn-primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); }
.tb-sep { width: 1px; height: 20px; background: var(--border); margin: 0 4px; }

.export-dropdown {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  background: var(--bg2);
  border: 1px solid var(--border2);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  min-width: 180px;
  padding: 4px;
  z-index: 200;
}
.export-item {
  display: block; width: 100%;
  padding: 8px 12px;
  background: transparent; border: none; border-radius: var(--radius-sm);
  color: var(--text); font: inherit; font-size: 12.5px;
  cursor: pointer; text-align: left; transition: background var(--transition);
}
.export-item:hover { background: var(--bg4); }
.export-sep { height: 1px; background: var(--border); margin: 4px 0; }

/* ---- APP BODY ---- */
.app-body {
  display: flex;
  height: calc(100vh - var(--topbar-h));
  margin-top: var(--topbar-h);
  overflow: hidden;
}

/* ---- SIDEBAR ---- */
.sidebar {
  width: var(--sidebar-w);
  flex-shrink: 0;
  background: var(--bg2);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.sidebar-scroll {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding-bottom: 40px;
}

.sidebar-scroll::-webkit-scrollbar { width: 4px; }
.sidebar-scroll::-webkit-scrollbar-track { background: transparent; }
.sidebar-scroll::-webkit-scrollbar-thumb { background: var(--border2); border-radius: 4px; }

/* ---- PANELS ---- */
.panel { border-bottom: 1px solid var(--border); }
.panel.hidden { display: none; }

.panel-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  cursor: pointer;
  user-select: none;
  transition: background var(--transition);
}
.panel-header:hover { background: var(--bg3); }

.panel-icon { font-size: 14px; line-height: 1; }
.panel-title { flex: 1; font-size: 12.5px; font-weight: 600; color: var(--text); letter-spacing: 0.2px; }

.panel-chevron {
  color: var(--text3);
  transition: transform var(--transition);
}
.panel-header.collapsed .panel-chevron { transform: rotate(-90deg); }

.panel-body {
  padding: 4px 14px 14px;
  overflow: hidden;
}
.panel-body.collapsed {
  display: none;
}

/* ---- FORM ELEMENTS ---- */
.field { margin-bottom: 12px; }
.field:last-child { margin-bottom: 0; }
.field-row { display: flex; gap: 8px; margin-bottom: 12px; }
.field.half { flex: 1; min-width: 0; }

.field-label {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 11.5px;
  font-weight: 500;
  color: var(--text2);
  margin-bottom: 5px;
  letter-spacing: 0.15px;
}

/* "Auto" inline toggle (e.g. auto threshold) - sits at the right of a label */
.auto-toggle {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 10.5px;
  font-weight: 500;
  color: var(--text3);
  cursor: pointer;
  user-select: none;
}
.auto-toggle input { cursor: pointer; margin: 0; }

.help-tip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 14px; height: 14px;
  background: var(--bg4);
  border-radius: 50%;
  font-size: 9px;
  color: var(--text3);
  cursor: help;
  flex-shrink: 0;
}

.slider-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.slider {
  flex: 1;
  height: 4px;
  appearance: none;
  -webkit-appearance: none;
  background: var(--bg4);
  border-radius: 2px;
  outline: none;
  cursor: pointer;
}
.slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid var(--bg2);
  box-shadow: 0 0 0 1px var(--accent);
  cursor: pointer;
  transition: box-shadow var(--transition);
}
.slider::-webkit-slider-thumb:hover {
  box-shadow: 0 0 0 3px rgba(91,140,255,0.3);
}

.num-input {
  width: 54px;
  flex-shrink: 0;
  background: var(--bg4);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font: var(--mono); font-size: 11px;
  padding: 4px 6px;
  text-align: right;
  outline: none;
  transition: border-color var(--transition);
}
.num-input:focus { border-color: var(--accent); }
.num-input.sm { width: 42px; }
.num-input.full { width: 100%; text-align: left; }

.unit-label {
  font-size: 10.5px;
  color: var(--text3);
  flex-shrink: 0;
  margin-left: -4px;
}

.text-input, .select-input {
  width: 100%;
  background: var(--bg4);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font: inherit; font-size: 12.5px;
  padding: 6px 8px;
  outline: none;
  transition: border-color var(--transition);
}
.text-input:focus, .select-input:focus { border-color: var(--accent); }
.select-input { cursor: pointer; }
.select-input option { background: var(--bg3); }

.color-row {
  display: flex;
  align-items: center;
  gap: 8px;
}
.color-input {
  width: 36px;
  height: 28px;
  flex-shrink: 0;
  background: var(--bg4);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 2px;
  cursor: pointer;
}
.color-input::-webkit-color-swatch-wrapper { padding: 0; }
.color-input::-webkit-color-swatch {
  border: none;
  border-radius: 3px;
}
.color-text {
  height: 28px;
  font: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
}

.textarea-input {
  width: 100%;
  background: var(--bg4);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font: inherit; font-size: 12.5px;
  padding: 6px 8px;
  resize: vertical;
  min-height: 60px;
  outline: none;
  transition: border-color var(--transition);
}
.textarea-input:focus { border-color: var(--accent); }

.toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 8px;
  min-height: 26px;
}
.toggle-label {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  color: var(--text);
  flex: 1;
}

.toggle {
  position: relative;
  display: inline-block;
  width: 32px; height: 18px;
  flex-shrink: 0;
  cursor: pointer;
}
.toggle input { opacity: 0; width: 0; height: 0; position: absolute; }
.toggle-slider {
  position: absolute;
  inset: 0;
  background: var(--bg4);
  border: 1px solid var(--border2);
  border-radius: 18px;
  transition: all var(--transition);
}
.toggle-slider::before {
  content: '';
  position: absolute;
  width: 12px; height: 12px;
  left: 2px; top: 2px;
  background: var(--text3);
  border-radius: 50%;
  transition: all var(--transition);
}
.toggle input:checked + .toggle-slider { background: var(--accent); border-color: var(--accent); }
.toggle input:checked + .toggle-slider::before { transform: translateX(14px); background: white; }

.seg-control {
  display: flex;
  background: var(--bg4);
  border-radius: var(--radius-sm);
  padding: 2px;
  gap: 2px;
}
.seg-btn {
  flex: 1;
  height: 24px;
  padding: 0 8px;
  background: transparent;
  border: none;
  border-radius: 4px;
  color: var(--text2);
  font: inherit; font-size: 11.5px; font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}
.seg-btn.active, .seg-btn:hover { background: var(--bg2); color: var(--text); }
.seg-btn.active { color: var(--accent); font-weight: 600; }

.btn-row {
  display: flex;
  gap: 6px;
  margin-bottom: 8px;
}

.ctrl-btn {
  flex: 1;
  height: 28px;
  padding: 0 8px;
  background: var(--bg4);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font: inherit; font-size: 12px; font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
}
.ctrl-btn:hover { background: var(--bg3); border-color: var(--border2); }
.ctrl-btn.full { width: 100%; flex: none; }
.ctrl-btn.primary { background: var(--accent-dim); border-color: var(--accent); color: var(--accent); }
.ctrl-btn.danger { background: var(--danger-dim); border-color: var(--danger); color: var(--danger); }

.subsection-title {
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  color: var(--text3);
  margin: 14px 0 8px;
  padding-top: 10px;
  border-top: 1px solid var(--border);
}
.subsection-title:first-child { margin-top: 0; padding-top: 0; border-top: none; }

/* ---- UPLOAD ZONE ---- */
.upload-zone {
  border: 2px dashed var(--border2);
  border-radius: var(--radius);
  padding: 24px 16px;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition);
  background: var(--bg3);
}
.upload-zone:hover, .upload-zone.drag-over {
  border-color: var(--accent);
  background: var(--accent-dim);
}
.upload-inner p { font-size: 12.5px; color: var(--text2); margin-top: 8px; }
.upload-link {
  color: var(--accent);
  cursor: pointer;
  text-decoration: underline;
  text-decoration-color: transparent;
  transition: text-decoration-color var(--transition);
}
.upload-link:hover { text-decoration-color: var(--accent); }
.upload-hint { font-size: 11px; color: var(--text3); }

.source-canvas {
  width: 100%;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: #000;
  margin-bottom: 10px;
  display: block;
}

.size-readout {
  text-align: center;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text2);
  background: var(--bg3);
  border-radius: var(--radius-sm);
  padding: 6px;
  margin-top: 10px;
}

/* ---- PRESET GRID ---- */
.preset-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
}
.preset-btn {
  background: var(--bg4);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font: inherit; font-size: 11.5px; font-weight: 600;
  padding: 8px 6px;
  cursor: pointer;
  transition: all var(--transition);
  text-align: center;
  line-height: 1.3;
}
.preset-btn span { font-size: 10px; font-weight: 400; color: var(--text3); }
.preset-btn:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-dim); }

/* ---- VIEWPORT ---- */
.viewport-container {
  flex: 1;
  position: relative;
  overflow: hidden;
  background: #0a1d27;
}

#viewport3d {
  width: 100%;
  height: 100%;
}

#viewport3d canvas {
  display: block;
  width: 100% !important;
  height: 100% !important;
}

/* Viewport toolbar */
.vp-toolbar {
  position: absolute;
  top: 12px;
  left: 12px; right: 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  pointer-events: none;
}

.vp-toolbar-left, .vp-toolbar-right {
  display: flex;
  align-items: center;
  gap: 3px;
  background: rgba(13,31,41,0.88);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 4px 6px;
  pointer-events: all;
  backdrop-filter: blur(8px);
}

.vp-btn {
  display: flex; align-items: center; justify-content: center;
  min-width: 28px; height: 26px;
  padding: 0 6px;
  background: transparent;
  border: none;
  border-radius: var(--radius-sm);
  color: var(--text2);
  font: inherit; font-size: 11px; font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
}
.vp-btn:hover { background: var(--bg4); color: var(--text); }
.vp-btn.active { background: var(--accent-dim); color: var(--accent); }
.vp-sep { width: 1px; height: 16px; background: var(--border); margin: 0 2px; }

.vp-info {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text2);
  padding: 0 6px;
}

/* Loading */
.vp-loading {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  background: rgba(13,31,41,0.72);
  backdrop-filter: blur(4px);
  color: var(--text2);
  font-size: 13px;
  z-index: 20;
}
.vp-spinner {
  width: 32px; height: 32px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Warnings */
.vp-warnings {
  position: absolute;
  bottom: 14px;
  left: 14px;
  right: 14px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-height: 200px;
  overflow-y: auto;
  pointer-events: none;
}

.warning-card {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  background: rgba(13,31,41,0.92);
  border: 1px solid;
  border-radius: var(--radius);
  padding: 8px 12px;
  pointer-events: all;
  backdrop-filter: blur(8px);
  animation: slideUp 0.2s ease;
}
@keyframes slideUp { from { opacity:0; transform:translateY(6px); } }

.warning-card.warn { border-color: var(--warn); }
.warning-card.error { border-color: var(--danger); }
.warning-card.info { border-color: var(--accent); }

.warning-icon { font-size: 14px; margin-top: 1px; flex-shrink: 0; }
.warning-body { flex: 1; }
.warning-title { font-size: 12px; font-weight: 600; }
.warning-card.warn .warning-title { color: var(--warn); }
.warning-card.error .warning-title { color: var(--danger); }
.warning-card.info .warning-title { color: var(--accent); }
.warning-desc { font-size: 11.5px; color: var(--text2); margin-top: 2px; }
.warning-fix {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: 5px;
  padding: 3px 8px;
  background: transparent;
  border: 1px solid currentColor;
  border-radius: 4px;
  font: inherit; font-size: 11px; font-weight: 600;
  cursor: pointer;
  opacity: 0.8;
  transition: opacity var(--transition);
}
.warning-fix:hover { opacity: 1; }
.warning-card.warn .warning-fix { color: var(--warn); }
.warning-card.error .warning-fix { color: var(--danger); }

/* Empty state */
.vp-empty {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  z-index: 10;
}
.vp-empty.hidden { display: none; }
.vp-empty-inner {
  text-align: center;
  pointer-events: all;
}
.vp-empty-inner h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--text2);
  margin: 16px 0 6px;
}
.vp-empty-inner p { font-size: 13px; color: var(--text3); margin-bottom: 18px; }

.preset-shapes {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
}
.shape-preset {
  padding: 8px 16px;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 20px;
  color: var(--text2);
  font: inherit; font-size: 13px;
  cursor: pointer;
  transition: all var(--transition);
}
.shape-preset:hover {
  background: var(--accent-dim);
  border-color: var(--accent);
  color: var(--accent);
}

/* ---- MODAL ---- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(13,31,41,0.72);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 300;
  backdrop-filter: blur(4px);
  animation: fadeIn 0.15s ease;
}
@keyframes fadeIn { from { opacity: 0; } }

.modal {
  background: var(--bg2);
  border: 1px solid var(--border2);
  border-radius: var(--radius-lg);
  padding: 24px;
  width: 90%;
  max-width: 680px;
  max-height: 85vh;
  overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0,0,0,0.6);
  animation: scaleIn 0.15s ease;
}
.modal.sm { max-width: 420px; }
@keyframes scaleIn { from { opacity:0; transform:scale(0.96); } }

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}
.modal-header h2 { font-size: 16px; font-weight: 700; }
.modal-close {
  width: 28px; height: 28px;
  display: flex; align-items: center; justify-content: center;
  background: var(--bg4); border: none; border-radius: 50%;
  color: var(--text2); font-size: 16px; cursor: pointer;
  transition: all var(--transition);
}
.modal-close:hover { background: var(--danger-dim); color: var(--danger); }

/* Mode grid */
.mode-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}
.mode-card {
  background: var(--bg3);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 10px;
  cursor: pointer;
  text-align: center;
  transition: all var(--transition);
}
.mode-card:hover { border-color: var(--accent); background: var(--accent-dim); }
.mode-card.active { border-color: var(--accent); background: var(--accent-dim); }
.mode-icon { font-size: 22px; margin-bottom: 6px; }
.mode-name { font-size: 12px; font-weight: 700; color: var(--text); margin-bottom: 3px; }
.mode-desc { font-size: 10.5px; color: var(--text3); line-height: 1.4; }

/* Share modal */
.share-body { }
.share-desc { font-size: 13px; color: var(--text2); margin-bottom: 10px; }
.share-url-row { display: flex; gap: 8px; margin-bottom: 8px; }
.share-url-row .text-input { font-family: var(--mono); font-size: 11.5px; }
.share-url-row .ctrl-btn { flex: 0 0 auto; width: auto; padding: 0 14px; }
.share-note { font-size: 11.5px; color: var(--text3); }

/* ---- TOAST ---- */
.toast {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%) translateY(0);
  background: var(--bg3);
  border: 1px solid var(--border2);
  border-radius: 20px;
  padding: 8px 18px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
  box-shadow: var(--shadow);
  z-index: 500;
  animation: toastIn 0.2s ease;
}
.toast.hidden { display: none; }
@keyframes toastIn { from { opacity:0; transform: translateX(-50%) translateY(8px); } }

/* ---- UTILITY ---- */
.hidden { display: none !important; }

/* Scrollbar for viewport warnings */
.vp-warnings::-webkit-scrollbar { width: 3px; }
.vp-warnings::-webkit-scrollbar-thumb { background: var(--border2); border-radius: 2px; }

/* Source controls */
.source-controls {}

/* ---- RESPONSIVE: collapse sidebar on narrow viewports ---- */
@media (max-width: 760px) {
  :root { --sidebar-w: 260px; }
  .mode-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ---- HEIGHT LAYER COLORS ---- */
.layer-0 { color: #5b8cff; }
.layer-1 { color: #a78bfa; }
.layer-2 { color: #3ecf8e; }
.layer-3 { color: #f59e0b; }

/* Crosshair cursor in viewport when adding bridges */
.viewport-container.adding-bridge { cursor: crosshair; }

/* ---- VECTORIZE STATUS ---- */
#vectorizeStatus {
  font-size: 11px;
  color: var(--text3);
  margin-top: 5px;
  text-align: center;
  min-height: 14px;
}

/* ---- SIDEBAR PRESET SHAPES ---- */
.preset-shapes-row {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-top: 2px;
}
.shape-preset-sm {
  padding: 4px 8px;
  background: var(--bg4);
  border: 1px solid var(--border);
  border-radius: 12px;
  color: var(--text2);
  font: inherit;
  font-size: 11px;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}
.shape-preset-sm:hover,
.shape-preset-sm.active {
  background: var(--accent-dim);
  border-color: var(--accent);
  color: var(--accent);
}

/* ---- TOOLTIP (for help tips) ---- */
.help-tip {
  position: relative;
}
.help-tip::after {
  content: attr(title);
  position: absolute;
  left: 50%;
  bottom: calc(100% + 6px);
  transform: translateX(-50%);
  background: var(--bg3);
  border: 1px solid var(--border2);
  border-radius: var(--radius-sm);
  padding: 5px 8px;
  font-size: 11px;
  font-weight: 400;
  color: var(--text);
  white-space: nowrap;
  max-width: 220px;
  white-space: normal;
  text-align: center;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.15s;
  z-index: 500;
  box-shadow: 0 4px 12px rgba(0,0,0,0.4);
}
.help-tip:hover::after { opacity: 1; }

/* ---- ACTIVE STATE FOR TOGGLE CTRL BTNS (Invert, Mirror) ---- */
.ctrl-btn.active {
  background: var(--accent-dim);
  border-color: var(--accent);
  color: var(--accent);
}

/* ---- MULTI-SHAPE MODAL ---- */
.modal-desc {
  font-size: 13px;
  color: var(--text2);
  margin-bottom: 12px;
  line-height: 1.5;
}

.multi-shape-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  margin-bottom: 12px;
}

.multi-shape-grid .mode-card {
  text-align: left;
  padding: 12px 14px;
}

.multi-shape-grid .mode-name {
  font-size: 13px;
  margin-bottom: 2px;
}

.multi-shape-grid .mode-desc {
  font-size: 11.5px;
  color: var(--text3);
  line-height: 1.4;
  margin: 0;
}

#outlineShapeRow {
  margin-bottom: 4px;
}