/* PANEL: Detail Pane | extends: sentinel-v2.css + tokens.css */

/* Width: var(--gr-step-8) | BG: var(--color-bg-secondary) */
/* Border-left: 1px solid var(--color-border-active) */
/* Uses sentinel .slide-panel pattern for open/close animation */
/* Header: --color-bg-tertiary bg, record title in --font-ui, close button */
/* Body: scrollable detail fields, metrics, related records */
/* Footer: action buttons using sentinel .btn-* classes */

#panel-detail-pane {
  /* Overlay positioning - on top of canvas */
  position: fixed;
  top: var(--gr-step-3); /* Below topbar */
  right: 0;
  width: var(--gr-step-8);
  height: calc(100vh - var(--gr-step-3));

  /* Styling */
  background-color: var(--color-bg-secondary);
  border-left: 1px solid var(--color-border-active);
  box-shadow: -4px 0 20px rgba(0, 0, 0, 0.5);

  /* Slide animation - start hidden off-screen right */
  transform: translateX(100%);
  transition: transform var(--transition-normal);

  /* Layer above canvas */
  z-index: 50;

  /* Layout for header/body/footer */
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* Open state - slide in from right */
#panel-detail-pane.open {
  transform: translateX(0);
}

/* Detail Pane Header */
.detail-pane-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-md);
  padding: var(--spacing-md) var(--spacing-lg);
  background-color: var(--color-bg-tertiary);
  border-bottom: 1px solid var(--color-border-active);
  flex-shrink: 0;
}

.detail-pane-title {
  flex: 1;
  font-family: var(--font-ui);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text-primary);
}

.detail-pane-close {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-border-active);
  color: var(--color-text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  font-size: 1.25rem;
  flex-shrink: 0;
}

.detail-pane-close:hover {
  background-color: var(--color-bg-primary);
  color: var(--color-text-primary);
  border-color: var(--color-brand-primary);
}

/* Detail Pane Body */
.detail-pane-body {
  flex: 1;
  overflow-y: auto;
  padding: var(--spacing-lg);
}

/* Detail Pane Footer */
.detail-pane-footer {
  padding: var(--spacing-md) var(--spacing-lg);
  border-top: 1px solid var(--color-border-active);
  background-color: var(--color-bg-tertiary);
  display: flex;
  justify-content: flex-end;
  gap: var(--spacing-sm);
  flex-shrink: 0;
}