/* ==========================================================================
   Center Stage / Workbench
   ========================================================================== */
main.stage-area {
  background: var(--bg-workbench);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  overflow-y: auto;
  overflow-x: hidden;
  align-items: center;
  justify-content: flex-start;
  min-height: 0;
  min-width: 0;
  width: 100%;
  box-sizing: border-box;
}

.preview-stage {
  width: 100%;
  max-width: 960px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 3.6rem 1.5rem 2.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 380px;
  position: relative;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
  transition: all 0.15s ease;
  min-width: 0;
  box-sizing: border-box;
}

.preview-stage.dragover {
  border-color: var(--accent);
  background: var(--accent-subtle);
  box-shadow: 0 0 0 2px var(--accent), 0 8px 24px rgba(37, 99, 235, 0.12);
}

.stage-drop-hint {
  display: none;
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(4px);
  border-radius: 7px;
  border: 2px dashed var(--accent);
  z-index: 40;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 0.6rem;
  color: var(--accent);
  font-weight: 600;
  font-size: 0.85rem;
  pointer-events: none;
}

[data-theme="dark"] .stage-drop-hint {
  background: rgba(11, 15, 23, 0.92);
}

.preview-stage.dragover .stage-drop-hint {
  display: flex;
}

/* Stage Header Toolbar (Calipers & Zoom Controls) */
.stage-header-toolbar {
  position: absolute;
  top: 12px;
  left: 1.25rem;
  right: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  pointer-events: none;
  z-index: 10;
  gap: 0.5rem;
  min-width: 0;
}

.stage-header-toolbar > * {
  pointer-events: auto;
}

/* Calipers */
.caliper-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.70rem;
  font-weight: 600;
  color: var(--text-secondary);
  gap: 0.5rem;
  background: var(--bg-pill);
  border: 1px solid var(--border-color);
  padding: 3px 10px;
  border-radius: 12px;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
}

.caliper-tick {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
}

/* Stage Zoom Controls */
.stage-zoom-controls {
  display: flex;
  align-items: center;
  gap: 0.2rem;
  background: var(--bg-pill);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 2px;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
}

.zoom-btn {
  background: transparent;
  border: none;
  color: var(--text-dim);
  font-family: var(--font-sans);
  font-size: 0.68rem;
  font-weight: 600;
  padding: 2px 9px;
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.12s ease;
  user-select: none;
}

.zoom-btn:hover:not(.active) {
  color: var(--text-primary);
  background: var(--bg-pill-hover);
}

.zoom-btn.active {
  background: var(--bg-pill-active);
  color: var(--text-pill-active);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

/* Sticker Wrapper & Responsive Zoom */
.sticker-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  max-width: var(--stage-zoom-w, 720px);
  background: transparent;
  position: relative;
  cursor: crosshair;
  transition: max-width 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.sticker-wrapper.zoom-actual {
  max-width: var(--sticker-w);
}

#svg-host {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

#svg-host svg#profile-svg-elem {
  width: 100%;
  height: auto;
  display: block;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.14), 0 1px 3px rgba(0, 0, 0, 0.08);
  border-radius: 4px;
}

[data-theme="dark"] #svg-host svg#profile-svg-elem {
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.65), 0 0 0 1px rgba(255, 255, 255, 0.1);
}

/* Climb Detail mode: stacked per-climb stickers */
.climb-detail-stack {
  display: flex;
  flex-direction: column;
  gap: 14px;
  width: 100%;
}

#svg-host svg.climb-detail-svg {
  width: 100%;
  height: auto;
  display: block;
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.12), 0 1px 3px rgba(0, 0, 0, 0.08);
  border-radius: 4px;
}

[data-theme="dark"] #svg-host svg.climb-detail-svg {
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(255, 255, 255, 0.1);
}

.climb-detail-note {
  margin: 0;
  font-size: 0.72rem;
  color: var(--text-dim);
  text-align: center;
}

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

/* Empty State */
.empty-msg {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-dim);
  text-align: center;
  padding: 3rem 1.5rem;
  cursor: pointer;
  user-select: none;
  transition: color 0.15s ease;
}

.empty-msg:hover {
  color: var(--text-secondary);
}

.empty-msg svg {
  color: var(--text-dim);
  transition: transform 0.15s ease, color 0.15s ease;
}

.empty-msg:hover svg {
  color: var(--accent);
  transform: translateY(-2px);
}

.empty-msg h3 {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
}

.empty-msg p {
  font-size: 0.74rem;
}

/* Tooltip Hover */
#cursor-tip {
  position: absolute;
  display: none;
  pointer-events: none;
  background: rgba(15, 23, 42, 0.95);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 4px;
  padding: 0.3rem 0.55rem;
  font-size: 0.68rem;
  font-family: var(--font-mono);
  color: #ffffff;
  z-index: 50;
  white-space: nowrap;
  transform: translate(-50%, -125%);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
}

/* Stats Summary Row */
.stats-strip {
  width: 100%;
  max-width: 900px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.75rem;
  min-width: 0;
}

@media (max-width: 1120px) and (min-width: 961px) {
  .stats-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.5rem;
  }
}

@media (max-width: 600px) {
  .stats-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.5rem;
  }
}

.stat-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 0.65rem 0.85rem;
  display: flex;
  flex-direction: column;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.02);
  min-width: 0;
}

.stat-label {
  font-size: 0.65rem;
  color: var(--text-dim);
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.stat-value {
  font-size: 1.2rem;
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--text-primary);
  margin-top: 0.15rem;
}

.stat-highlight-green { color: var(--z1); }
.stat-highlight-red { color: var(--z4); }
.stat-highlight-blue { color: var(--accent); }


.empty-example-btn {
  border: none;
  background: none;
  padding: 0.35rem;
  color: var(--accent);
  font: inherit;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
}

.empty-example-btn:hover {
  text-decoration: underline;
}