/* ========================================
   QUICK REFERENCE PANEL & VARIABLE HOVER
   ======================================== */

/* ========== QUICK REFERENCE PANEL ========== */
.quick-ref-panel {
  position: fixed;
  right: -360px;
  top: 0;
  width: 360px;
  height: 100vh;
  background: white;
  color: black;
  border-left: 1px solid var(--border);
  z-index: 9999;
  transition: right 0.3s cubic-bezier(0.4, 0.0, 0.2, 1);
  display: flex;
  flex-direction: column;
  box-shadow: -4px 0 24px rgba(0, 0, 0, 0.15);
}

.quick-ref-panel.open {
  right: 0;
}

.quick-ref-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg-secondary);
}

.quick-ref-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
}

.quick-ref-icon {
  width: 20px;
  height: 20px;
  stroke: var(--accent);
  fill: none;
  stroke-width: 2;
}

.quick-ref-close {
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  border-radius: 6px;
  color: var(--text-secondary);
  transition: all 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
}

.quick-ref-close:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.quick-ref-content {
  flex: 1;
  overflow-y: auto;
  padding: 1.25rem;
}

.quick-ref-section {
  margin-bottom: 1.75rem;
}

.quick-ref-section-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.quick-ref-item {
  margin-bottom: 0.75rem;
  padding: 0.75rem;
  background: var(--bg-secondary);
  border-radius: 6px;
  border: 1px solid var(--border);
  transition: all 0.2s;
}

.quick-ref-item:hover {
  border-color: var(--accent);
  transform: translateX(2px);
}

.quick-ref-item-label {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-bottom: 0.35rem;
  font-weight: 500;
}

.quick-ref-item-code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  color: var(--text-primary);
  background: var(--bg-tertiary);
  padding: 0.5rem;
  border-radius: 4px;
  display: block;
  overflow-x: auto;
  white-space: pre;
  border-left: 3px solid var(--accent);
}

.quick-ref-item-description {
  font-size: 0.75rem;
  color: var(--text-tertiary);
  margin-top: 0.35rem;
  line-height: 1.4;
}

/* Quick Ref Toggle Button */
.quick-ref-toggle {
  position: fixed;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
  background: var(--bg-tertiary) !important;
  color: var(--text-secondary) !important;
  border: none;
  border-radius: 8px 0 0 8px;
  padding: 1rem 0.5rem;
  cursor: pointer;
  z-index: 9998;
  box-shadow: -2px 2px 12px rgba(0, 0, 0, 0.2);
  transition: all 0.3s;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  writing-mode: vertical-rl;
  text-orientation: mixed;
}

.quick-ref-toggle:hover {
  right: 0;
  padding-right: 0.75rem;
  box-shadow: -4px 2px 16px rgba(0, 0, 0, 0.3);
}

.quick-ref-toggle.hidden {
  right: 360px;
}

/* Keyboard shortcut hint */
.quick-ref-shortcut {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.7rem;
  color: var(--text-tertiary);
  margin-top: 0.25rem;
  font-family: 'JetBrains Mono', monospace;
}

.quick-ref-shortcut kbd {
  background: var(--bg-tertiary);
  padding: 0.15rem 0.35rem;
  border-radius: 3px;
  border: 1px solid var(--border);
  font-size: 0.65rem;
}