/**
 * ============================================================================
 * VIEW PROJECT PEOPLE STYLES
 * ============================================================================
 * 
 * Styles for the project people viewer page with collapsible sidebar.
 * This is an internal lab tool for viewing and screenshotting project teams.
 *
 * STRUCTURE:
 *   .page-layout
 *   ├── .sidebar (collapsible)
 *   │   ├── .sidebar-header
 *   │   └── .sidebar-section (×n)
 *   ├── .expand-btn (visible when sidebar collapsed)
 *   └── .main-content
 *       ├── .content-header
 *       └── .people-container
 *           ├── .people-group (when grouping enabled)
 *           │   └── .people-grid
 *           └── .people-grid (when no grouping)
 *
 * @version 2.1.0 - Added publication indicator feature
 * ============================================================================
 */


/* =============================================================================
   CSS CUSTOM PROPERTIES (Component-specific)
   ============================================================================= */

:root {
  /* Publication indicator colors */
  --color-published-ring: #2e7d32;           /* Green - has publications */
  --color-not-published-ring: #bdbdbd;       /* Gray - no publications */
  --published-ring-width: 4px;
}


/* =============================================================================
   PAGE LAYOUT
   ============================================================================= */

html, body {
  margin: 0;
  padding: 0;
  min-height: 100vh;
  font-family: var(--font-family-primary);
  background-color: var(--color-bg-page);
}

.page-layout {
  display: flex;
  min-height: 100vh;
}


/* =============================================================================
   SIDEBAR
   ============================================================================= */

.sidebar {
  width: 280px;
  min-width: 280px;
  background-color: var(--color-bg-surface);
  border-right: 1px solid var(--color-border);
  height: 100vh;
  position: sticky;
  top: 0;
  overflow-y: auto;
  transition: margin-left 0.25s ease, opacity 0.25s ease;
  z-index: 100;
}

.sidebar.collapsed {
  margin-left: -280px;
  opacity: 0;
  pointer-events: none;
}

.sidebar-content {
  padding: var(--space-4);
}

.sidebar-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--color-border);
}

.sidebar-header h2 {
  margin: 0;
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
}

.collapse-btn {
  background: none;
  border: none;
  font-size: var(--font-size-xl);
  color: var(--color-text-muted);
  cursor: pointer;
  padding: var(--space-1);
  border-radius: var(--border-radius-sm);
  transition: color var(--transition-fast), background-color var(--transition-fast);
}

.collapse-btn:hover {
  color: var(--color-text-primary);
  background-color: var(--color-bg-muted);
}


/* =============================================================================
   EXPAND BUTTON (visible when sidebar collapsed)
   ============================================================================= */

.expand-btn {
  position: fixed;
  top: var(--space-4);
  left: var(--space-4);
  z-index: 101;
  background-color: var(--color-primary);
  color: var(--color-text-on-dark);
  border: none;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--border-radius-md);
  cursor: pointer;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  box-shadow: var(--shadow-md);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast), background-color var(--transition-fast);
}

.expand-btn.visible {
  opacity: 1;
  pointer-events: auto;
}

.expand-btn:hover {
  background-color: var(--color-primary-hover);
}


/* =============================================================================
   SIDEBAR SECTIONS
   ============================================================================= */

.sidebar-section {
  margin-bottom: var(--space-5);
}

.sidebar-section h3 {
  margin: 0 0 var(--space-3) 0;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}


/* =============================================================================
   PROJECT SEARCH & LIST
   ============================================================================= */

.project-search-container {
  margin-bottom: var(--space-2);
}

.project-search {
  width: 100%;
  padding: var(--space-2);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  font-size: var(--font-size-sm);
  font-family: inherit;
  box-sizing: border-box;
}

.project-search:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px var(--color-primary-light);
}

.project-list-actions {
  display: flex;
  gap: var(--space-3);
  margin-bottom: var(--space-2);
}

.btn-link {
  background: none;
  border: none;
  color: var(--color-link);
  font-size: var(--font-size-xs);
  cursor: pointer;
  padding: 0;
  text-decoration: underline;
}

.btn-link:hover {
  color: var(--color-link-hover);
}

.project-list {
  max-height: 250px;
  overflow-y: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  background-color: var(--color-white);
}

.project-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2);
  cursor: pointer;
  transition: background-color var(--transition-fast);
  border-bottom: 1px solid var(--color-border);
}

.project-item:last-child {
  border-bottom: none;
}

.project-item:hover {
  background-color: var(--color-bg-muted);
}

.project-item input[type="checkbox"] {
  margin: 0;
  flex-shrink: 0;
}

.project-name {
  flex: 1;
  font-size: var(--font-size-sm);
  color: var(--color-text-primary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.project-ended .project-name {
  color: var(--color-text-muted);
}

.project-people-count {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  flex-shrink: 0;
}

.no-projects {
  padding: var(--space-3);
  text-align: center;
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
}


/* =============================================================================
   CHECKBOX & RADIO GROUPS
   ============================================================================= */

.checkbox-group,
.radio-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.checkbox-label,
.radio-label {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  cursor: pointer;
  font-size: var(--font-size-sm);
  color: var(--color-text-primary);
}

.checkbox-label input,
.radio-label input {
  margin: 0;
}

.checkbox-label:hover,
.radio-label:hover {
  color: var(--color-link);
}


/* =============================================================================
   INDICATOR LEGEND
   ============================================================================= */

.indicator-legend {
  margin-top: var(--space-3);
  padding: var(--space-2);
  background-color: var(--color-bg-muted);
  border-radius: var(--border-radius-sm);
  display: none; /* Hidden by default */
}

.indicator-legend.visible {
  display: block;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-1);
}

.legend-item:last-child {
  margin-bottom: 0;
}

.legend-swatch {
  width: 16px;
  height: 16px;
  border-radius: var(--border-radius-full);
  flex-shrink: 0;
}

.legend-published {
  background-color: var(--color-white);
  border: 3px solid var(--color-published-ring);
}

.legend-not-published {
  background-color: var(--color-white);
  border: 3px solid var(--color-not-published-ring);
}

.legend-label {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
}


/* =============================================================================
   MAIN CONTENT AREA
   ============================================================================= */

.main-content {
  flex: 1;
  padding: var(--space-6);
  transition: margin-left var(--transition-fast);
  min-width: 0; /* Prevent flex overflow */
}

.main-content.sidebar-collapsed {
  margin-left: 0;
}

.content-header {
  margin-bottom: var(--space-6);
}

.content-header h1 {
  margin: 0 0 var(--space-2) 0;
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
}

.selected-projects-info {
  margin: 0 0 var(--space-2) 0;
  color: var(--color-text-secondary);
  font-size: var(--font-size-base);
}

.people-count {
  margin: 0;
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
}


/* =============================================================================
   PEOPLE CONTAINER & GRID
   ============================================================================= */

.people-container {
  /* Container for people grid or groups */
}

.no-people-message {
  text-align: center;
  color: var(--color-text-muted);
  font-size: var(--font-size-base);
  padding: var(--space-10) 0;
}

.people-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: var(--space-5);
  row-gap: var(--space-6);
}


/* =============================================================================
   PEOPLE GROUP (when grouping is enabled)
   ============================================================================= */

.people-group {
  margin-bottom: var(--space-8);
}

.people-group:last-child {
  margin-bottom: 0;
}

.people-group-title {
  margin: 0 0 var(--space-4) 0;
  padding-bottom: var(--space-2);
  border-bottom: 2px solid var(--color-primary);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
}


/* =============================================================================
   PERSON CARD
   ============================================================================= */

.person {
  text-align: center;
}

.person-image-link {
  display: block;
  text-decoration: none;
}

.person-image-link:focus {
  outline: var(--focus-ring-width) solid var(--focus-ring-color);
  outline-offset: var(--focus-ring-offset);
  border-radius: var(--border-radius-full);
}

.person-image {
  width: 90%;
  max-width: 150px;
  height: auto;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: var(--border-radius-full);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.person-image:hover {
  transform: scale(1.03);
  box-shadow: var(--shadow-md);
}

.person-name {
  margin-top: var(--space-2);
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-base);
  line-height: var(--line-height-tight);
}

.person-name a {
  color: var(--color-text-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.person-name a:hover {
  color: var(--color-link-hover);
  text-decoration: underline;
}

.person-title {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-top: var(--space-1);
}

.person-affiliation {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-top: var(--space-1);
}

.person-dates {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-1);
}


/* =============================================================================
   PUBLICATION INDICATOR STYLES
   =============================================================================
   When the "Highlight published on project" option is enabled, people who
   have published on the selected project(s) get a green ring around their
   photo, while those without publications get a gray ring.
   
   Uses box-shadow instead of border to avoid affecting layout.
   ============================================================================= */

/* Person has published on selected project(s) - green ring */
.person.has-published .person-image {
  box-shadow: 0 0 0 var(--published-ring-width) var(--color-published-ring);
}

.person.has-published .person-image:hover {
  box-shadow: 0 0 0 var(--published-ring-width) var(--color-published-ring),
              var(--shadow-md);
  transform: scale(1.03);
}

/* Person has NOT published on selected project(s) - gray ring */
.person.no-publications .person-image {
  box-shadow: 0 0 0 var(--published-ring-width) var(--color-not-published-ring);
}

.person.no-publications .person-image:hover {
  box-shadow: 0 0 0 var(--published-ring-width) var(--color-not-published-ring),
              var(--shadow-md);
  transform: scale(1.03);
}


/* =============================================================================
   SCROLLBAR STYLING (for project list)
   ============================================================================= */

.project-list::-webkit-scrollbar {
  width: 8px;
}

.project-list::-webkit-scrollbar-track {
  background: var(--color-bg-muted);
  border-radius: var(--border-radius-sm);
}

.project-list::-webkit-scrollbar-thumb {
  background: var(--color-border-strong);
  border-radius: var(--border-radius-sm);
}

.project-list::-webkit-scrollbar-thumb:hover {
  background: var(--color-text-muted);
}

.sidebar::-webkit-scrollbar {
  width: 6px;
}

.sidebar::-webkit-scrollbar-track {
  background: transparent;
}

.sidebar::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: var(--border-radius-sm);
}

.sidebar::-webkit-scrollbar-thumb:hover {
  background: var(--color-border-strong);
}


/* =============================================================================
   PRINT STYLES (for clean screenshots)
   ============================================================================= */

@media print {
  .sidebar,
  .expand-btn {
    display: none !important;
  }
  
  .main-content {
    margin-left: 0 !important;
    padding: 0;
  }
  
  .content-header {
    display: none;
  }
}