/**
 * Slide-over Side Drawer Styles
 * Pure white, clean typography, accessible controls, responsive.
 */

/* Backdrop Overlay */
.drawer-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(15, 23, 42, 0.4);
  backdrop-filter: blur(2px);
  z-index: 900;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.drawer-backdrop.active {
  opacity: 1;
  pointer-events: auto;
}

/* Slide-over Drawer Panel */
.drawer-panel {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  max-width: 620px;
  background-color: var(--bg-primary);
  border-left: 1px solid var(--border-medium);
  box-shadow: var(--shadow-drawer);
  z-index: 950;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform var(--transition-normal) cubic-bezier(0.16, 1, 0.3, 1);
  overflow: hidden;
}

.drawer-panel.active {
  transform: translateX(0);
}

/* Drawer Header */
.drawer-header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border-light);
  background-color: var(--bg-primary);
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 10;
}

.drawer-header-left {
  display: flex;
  align-items: center;
  gap: 0.875rem;
}

.drawer-symbol-badge {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  padding: 0.25rem 0.65rem;
  border-radius: 4px;
  border: 1px solid var(--border-medium);
  background: var(--bg-secondary);
  color: var(--text-main);
  line-height: 1.2;
}

.drawer-title-group {
  display: flex;
  flex-direction: column;
}

.drawer-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.2;
}

.drawer-category-pill {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 0.15rem;
}

.drawer-close-btn {
  background: var(--bg-secondary);
  border: 1px solid var(--border-medium);
  border-radius: 4px;
  padding: 0.4rem 0.75rem;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.drawer-close-btn:hover {
  background: var(--bg-tertiary);
  color: var(--text-main);
  border-color: var(--border-dark);
}

.drawer-close-btn:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 2px;
}

/* Drawer Body Scrollable Content */
.drawer-body {
  flex: 1;
  overflow-y: auto;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

/* Structure & Composition Banner */
.structure-box {
  border: 1px solid var(--border-medium);
  background: var(--bg-secondary);
  border-radius: 6px;
  padding: 1.125rem;
}

.structure-box-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.structure-type-tag {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.2rem 0.5rem;
  border-radius: 3px;
  border: 1px solid var(--border-medium);
  background: #ffffff;
}

.structure-type-tag.elementary {
  color: var(--quark-accent);
  border-color: var(--quark-border);
}

.structure-type-tag.composite {
  color: var(--hadron-accent);
  border-color: var(--hadron-border);
}

.structure-constituents {
  font-size: 0.875rem;
  color: var(--text-main);
  margin-bottom: 0.5rem;
}

.structure-constituents strong {
  font-weight: 600;
}

.structure-clarification {
  font-size: 0.8125rem;
  color: var(--text-muted);
  line-height: 1.5;
  border-top: 1px dashed var(--border-medium);
  padding-top: 0.5rem;
  margin-top: 0.5rem;
}

/* Detail Section Block */
.detail-section {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.detail-section-title {
  font-size: 0.9375rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-main);
  border-bottom: 1px solid var(--border-light);
  padding-bottom: 0.35rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.section-label-sub {
  font-size: 0.75rem;
  font-weight: normal;
  text-transform: none;
  color: var(--text-dim);
}

.plain-text-p {
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--text-main);
}

.plain-role-box {
  background: #ffffff;
  border-left: 3px solid var(--border-dark);
  padding: 0.75rem 1rem;
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin-top: 0.25rem;
}

/* Quantum Numbers Spec Table */
.quantum-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8125rem;
  margin-top: 0.25rem;
}

.quantum-table th,
.quantum-table td {
  padding: 0.5rem 0.65rem;
  border: 1px solid var(--border-light);
  text-align: left;
}

.quantum-table th {
  background: var(--bg-secondary);
  font-weight: 600;
  color: var(--text-muted);
  width: 38%;
}

.quantum-table td {
  font-family: var(--font-mono);
  color: var(--text-main);
}

/* Forces List */
.forces-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.force-item {
  border: 1px solid var(--border-light);
  border-radius: 4px;
  padding: 0.65rem 0.85rem;
  background: #ffffff;
}

.force-item-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.25rem;
}

.force-name {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-main);
}

.force-status-tag {
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  padding: 0.1rem 0.35rem;
  border-radius: 3px;
}

.force-status-tag.active {
  background: #ecfdf5;
  color: #047857;
  border: 1px solid #a7f3d0;
}

.force-status-tag.inactive {
  background: var(--bg-tertiary);
  color: var(--text-dim);
  border: 1px solid var(--border-light);
}

.force-desc {
  font-size: 0.8125rem;
  color: var(--text-muted);
  line-height: 1.4;
}

/* Decay & Production Block */
.decay-meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 0.5rem;
  font-size: 0.8125rem;
}

.decay-meta-item strong {
  color: var(--text-main);
}

.decay-channels-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8125rem;
  margin-top: 0.35rem;
}

.decay-channels-table th,
.decay-channels-table td {
  padding: 0.5rem 0.65rem;
  border: 1px solid var(--border-light);
  text-align: left;
}

.decay-channels-table th {
  background: var(--bg-secondary);
  font-weight: 600;
  color: var(--text-muted);
}

.decay-channel-eq {
  font-family: var(--font-mono);
  font-weight: 600;
}

.production-box {
  margin-top: 0.65rem;
  font-size: 0.8125rem;
  line-height: 1.45;
  color: var(--text-muted);
}

.production-box strong {
  color: var(--text-main);
}

/* Sources & Attribution Links */
.sources-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.source-item {
  border: 1px solid var(--border-light);
  border-radius: 4px;
  padding: 0.65rem 0.85rem;
  background: var(--bg-secondary);
  font-size: 0.8125rem;
}

.source-link {
  font-weight: 600;
  color: var(--text-main);
  text-decoration: underline;
  text-underline-offset: 2px;
  display: inline-block;
  margin-bottom: 0.2rem;
}

.source-link:hover {
  color: var(--focus-ring);
}

.source-org {
  font-size: 0.75rem;
  color: var(--text-dim);
  margin-bottom: 0.25rem;
}

.source-attribution {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-style: italic;
  line-height: 1.4;
}

/* Mobile Responsiveness for Drawer */
@media (max-width: 640px) {
  .drawer-panel {
    max-width: 100%;
  }
  .drawer-body {
    padding: 1.125rem;
    gap: 1.25rem;
  }
  .drawer-header {
    padding: 1rem 1.125rem;
  }
}