/* Color Palette Generator — full-bleed swatch columns, floating dock,
   drag-to-reorder, and a short first-visit tutorial. Visually distinct from
   flush full-height-bar generators: rounded floating cards with gaps. */

.generator-stage {
  min-height: calc(100vh - var(--header-height));
  display: flex;
  flex-direction: column;
}

.palette-row {
  flex: 1;
  display: flex;
  gap: var(--space-4);
  padding: var(--space-6) var(--space-6) calc(var(--space-8) + 72px);
  align-items: stretch;
}

.swatch-col {
  flex: 1;
  min-width: 0;
  min-height: 340px;
  border-radius: var(--radius-lg);
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  padding: var(--space-5);
  box-shadow: var(--shadow-md);
  transition: flex 0.3s ease, transform 0.2s ease, box-shadow 0.2s ease;
  cursor: grab;
}

.swatch-col.dragging {
  opacity: 0.4;
}

.swatch-col:active {
  cursor: grabbing;
}

.swatch-col-actions {
  position: absolute;
  top: var(--space-3);
  left: var(--space-3);
  right: var(--space-3);
  display: flex;
  justify-content: space-between;
  opacity: 0;
  transition: opacity 0.15s ease;
}

.swatch-col:hover .swatch-col-actions,
.swatch-col.locked .swatch-col-actions {
  opacity: 1;
}

.swatch-icon-btn {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid transparent;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: color-mix(in srgb, currentColor 12%, transparent);
  backdrop-filter: blur(4px);
  transition: background 0.15s ease, transform 0.15s ease;
}

.swatch-icon-btn:hover {
  transform: scale(1.08);
}

.swatch-icon-btn svg {
  width: 15px;
  height: 15px;
}

.swatch-icon-btn.lock-active {
  background: color-mix(in srgb, currentColor 28%, transparent);
}

.swatch-hex {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: var(--text-sm);
  padding: 9px 16px;
  border-radius: 999px;
  background: color-mix(in srgb, currentColor 12%, transparent);
  backdrop-filter: blur(4px);
  letter-spacing: 0.02em;
  transition: transform 0.15s ease, background 0.15s ease;
}

.swatch-hex:hover {
  transform: translateY(-2px);
  background: color-mix(in srgb, currentColor 20%, transparent);
}

.swatch-add-col {
  flex: 0 0 84px;
  min-height: 340px;
  border-radius: var(--radius-lg);
  border: 2px dashed var(--color-border);
  background: var(--color-surface);
  color: var(--color-text-subtle);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 700;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.swatch-add-col:hover:not(:disabled) {
  border-color: var(--color-brand);
  color: var(--color-brand);
}

.swatch-add-col:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.swatch-add-col svg {
  width: 20px;
  height: 20px;
}

.dock-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 22px;
  border-radius: 999px;
  background: var(--color-brand);
  color: var(--color-bg);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.02em;
  transition: background 0.2s ease, transform 0.2s ease;
  flex-shrink: 0;
}
.dock-toggle:hover { background: var(--color-brand-hover); transform: translateY(-2px); }
.dock-toggle svg { width: 16px; height: 16px; }

.dock-customize-btn { display: none; }

.icon-btn {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  color: var(--color-text-muted);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-sm);
  font-weight: 700;
  transition: border-color 0.2s ease, color 0.2s ease;
}
.icon-btn:hover { border-color: var(--color-brand); color: var(--color-brand); }

.drawer-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(28, 20, 14, 0.4);
  z-index: 65;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}
.drawer-backdrop.show { opacity: 1; pointer-events: auto; }

.dock-extra-panel { display: none; }

.dock-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: var(--space-3);
  margin-bottom: var(--space-3);
  border-bottom: 1px solid var(--color-border);
}
.dock-panel-header h2 { font-size: var(--text-lg); }

.dock-panel-body {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

@media (max-width: 640px) {
  .dock-cluster {
    left: 0;
    right: 0;
    bottom: 0;
    transform: none;
    width: 100%;
    max-width: 100%;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    padding: var(--space-3) var(--space-4);
    justify-content: stretch;
    gap: var(--space-2);
  }

  .dock-group,
  .dock-group-end {
    flex: 1;
    gap: var(--space-2);
  }

  .dock-group > *,
  .dock-group-end > * {
    flex: 1;
  }

  .dock-mobile-hide {
    display: none;
  }

  .dock-customize-btn {
    display: inline-flex;
    justify-content: center;
  }

  .dock-extra-panel {
    display: flex;
    flex-direction: column;
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 75;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    box-shadow: var(--shadow-lg);
    padding: var(--space-5);
    max-height: 80vh;
    overflow-y: auto;
    transform: translateY(100%);
    transition: transform 0.25s cubic-bezier(0.22, 1, 0.36, 1);
  }

  .dock-extra-panel.open {
    transform: translateY(0);
  }

  .dock-panel-body > * {
    width: 100%;
  }
}

@media (max-width: 780px) {
  .palette-row {
    flex-direction: column;
  }

  .swatch-col {
    min-height: 140px;
  }

  .swatch-add-col {
    flex: 0 0 72px;
    min-height: 72px;
    flex-direction: row;
  }
}

/* --- Sub-bar under the palette --- */
.tool-subbar {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
}

.tool-subbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-3);
  padding-block: var(--space-4);
  font-size: var(--text-sm);
}

.tool-subbar-name {
  font-weight: 700;
  color: var(--color-text);
}

.tool-subbar-name .parent-link {
  font-weight: 500;
  color: var(--color-text-muted);
  font-size: var(--text-xs);
}

.tool-subbar-name .parent-link a:hover {
  color: var(--color-brand);
}

/* --- Floating dock --- */
.dock-cluster {
  position: fixed;
  left: 50%;
  bottom: var(--space-5);
  transform: translateX(-50%);
  width: auto;
  max-width: calc(100% - var(--space-6) * 2);
  z-index: 70;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-3) var(--space-3) var(--space-4);
  background: color-mix(in srgb, var(--color-bg) 90%, transparent);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.dock-group {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: nowrap;
  min-width: 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.dock-group::-webkit-scrollbar {
  display: none;
}

.dock-group-end {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.dock-select {
  flex: none;
  width: auto;
  min-width: 130px;
}

.toolbar-select {
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  color: var(--color-text);
  font-size: var(--text-sm);
  font-weight: 600;
}

.toolbar-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  color: var(--color-text);
  font-size: var(--text-sm);
  font-weight: 600;
  white-space: nowrap;
  flex-shrink: 0;
  transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease;
}

.toolbar-btn svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

.toolbar-btn:hover {
  border-color: var(--color-brand);
  color: var(--color-brand);
}

.toolbar-btn-accent {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
}

.toolbar-btn-accent:hover {
  border-color: var(--color-accent-hover);
  background: var(--color-accent-hover);
  color: #fff;
}

.stepper { display: flex; align-items: center; gap: var(--space-2); }
.stepper button {
  width: 30px; height: 30px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  font-weight: 700;
  color: var(--color-text);
  flex-shrink: 0;
  transition: border-color 0.2s ease, color 0.2s ease;
}
.stepper button:hover { border-color: var(--color-brand); color: var(--color-brand); }
.stepper span { font-weight: 700; min-width: 14px; text-align: center; font-size: var(--text-sm); }

/* --- Prominent-but-tidy Visualize CTA --- */
.visualize-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 999px;
  background: var(--color-brand);
  color: var(--color-bg);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.02em;
  white-space: nowrap;
  flex-shrink: 0;
  transition: background 0.2s ease, transform 0.2s ease;
}

.visualize-cta:hover {
  background: var(--color-brand-hover);
  transform: translateY(-2px);
}

.visualize-cta svg {
  width: 15px;
  height: 15px;
}

.dock-help-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font-weight: 700;
  font-size: var(--text-sm);
  transition: border-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
  flex-shrink: 0;
}

.dock-help-btn:hover {
  border-color: var(--color-brand);
  color: var(--color-brand);
  transform: translateY(-2px);
}

.export-menu { position: relative; }

.export-dropdown {
  display: none;
  position: absolute;
  bottom: calc(100% + 6px);
  right: 0;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-md);
  min-width: 160px;
  z-index: 20;
  overflow: hidden;
}

.export-dropdown.open { display: block; }

.export-dropdown button {
  display: block;
  width: 100%;
  text-align: left;
  padding: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text);
}

.export-dropdown button:hover { background: var(--color-brand-light); color: var(--color-brand); }

/* --- Copy toast --- */
.copy-toast {
  position: fixed;
  bottom: var(--space-5);
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--color-text);
  color: var(--color-bg);
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s ease;
  z-index: 200;
}

.copy-toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* --- Tutorial modal (same pattern as the Visualizer) --- */
.tutorial-overlay {
  position: fixed;
  inset: 0;
  background: rgba(28, 20, 14, 0.6);
  z-index: 300;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-5);
}

.tutorial-overlay.hidden { display: none; }

.tutorial-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  max-width: 380px;
  width: 100%;
  box-shadow: var(--shadow-lg);
  text-align: left;
}

.tutorial-step { display: none; }
.tutorial-step.active { display: block; }

.tutorial-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--color-brand), var(--color-accent));
  margin-bottom: var(--space-4);
}

.tutorial-card h3 { font-size: var(--text-lg); margin-bottom: var(--space-2); }
.tutorial-card p { color: var(--color-text-muted); font-size: var(--text-sm); }

.tutorial-dots { display: flex; gap: 6px; margin: var(--space-5) 0; }
.tutorial-dots span { width: 6px; height: 6px; border-radius: 50%; background: var(--color-border); }
.tutorial-dots span.active { background: var(--color-brand); width: 18px; border-radius: 3px; transition: width 0.2s ease; }

.tutorial-actions { display: flex; justify-content: space-between; align-items: center; }