/**
 * PM SHRI SUNPURA HIGH SCHOOL — Core Component Styles
 * Document ID: 03_DESIGN_SYSTEM / 05_DEVELOPMENT_PLAN
 */

/* Skip Link Accessibility Component */
.skip-link {
  position: absolute;
  top: -100px;
  left: var(--space-4);
  background-color: var(--color-accent-provisional);
  color: var(--color-primary-dark);
  padding: var(--space-3) var(--space-6);
  font-weight: 700;
  font-size: var(--font-size-body);
  z-index: 10000;
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  box-shadow: var(--shadow-md);
  text-decoration: none;
  transition: top 0.2s ease;
}

.skip-link:focus,
.skip-link:focus-visible {
  top: 0;
}

/* Button Components */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-3) var(--space-6);
  font-size: var(--font-size-body);
  font-weight: 700;
  border-radius: var(--radius-sm);
  text-decoration: none;
  cursor: pointer;
  border: 2px solid transparent;
  transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
  min-height: 44px;
}

.btn-primary {
  background-color: var(--color-primary-provisional);
  color: var(--color-text-inverse);
  border-color: var(--color-primary-provisional);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: var(--color-accent-provisional);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-primary-provisional);
  border-color: var(--color-primary-provisional);
}

.btn-secondary:hover,
.btn-secondary:focus-visible {
  background-color: var(--color-surface-subtle);
  color: var(--color-primary-dark);
}

.btn-accent {
  background-color: var(--color-accent-provisional);
  color: var(--color-primary-dark);
  border-color: var(--color-accent-dark);
}

.btn-accent:hover,
.btn-accent:focus-visible {
  background-color: var(--color-accent-dark);
  color: var(--color-text-inverse);
}

/* Universal Cards Component */
.card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  box-shadow: var(--shadow-subtle);
  display: flex;
  flex-direction: column;
}

.card-title {
  font-size: var(--font-size-h3);
  margin-bottom: var(--space-2);
}

.card-meta {
  font-size: var(--font-size-small);
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
  display: flex;
  gap: var(--space-3);
}

.card-body {
  flex: 1 1 auto;
  margin-bottom: var(--space-4);
}

/* Staff Card Component with Centered Text & 3:4 Aspect Ratio Frame */
.staff-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--space-5);
  background-color: var(--color-surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-subtle);
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}

.staff-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-accent-provisional);
}

.staff-photo-wrapper {
  width: 105px;
  height: 140px; /* 3:4 portrait aspect ratio (larger & prominent) */
  flex-shrink: 0;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background-color: var(--color-background-light);
  border: 2px solid var(--color-border-light);
  margin-bottom: var(--space-3);
}

.staff-photo-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.staff-info-body {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  width: 100%;
}

.staff-name {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-primary-provisional);
  margin-bottom: var(--space-1);
  line-height: 1.3;
  text-align: center;
}

.staff-designation {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text-muted);
  margin: 0;
  line-height: 1.35;
  text-align: center;
}

/* Headmaster Featured Prominent Card */
.staff-card.headmaster-card {
  border-top: 5px solid var(--color-accent-provisional); /* Gold top accent border */
  padding: var(--space-6);
  background-color: #FAFCFF;
  border-color: var(--color-border-light);
  box-shadow: var(--shadow-md);
}

.staff-card.headmaster-card .staff-photo-wrapper {
  width: 150px;
  height: 200px; /* Large, commanding 3:4 portrait aspect ratio */
  border: 3px solid var(--color-accent-provisional); /* Gold frame border */
  box-shadow: var(--shadow-subtle);
  margin-bottom: var(--space-4);
}

.staff-card.headmaster-card .staff-name {
  font-size: 1.35rem;
  color: var(--color-primary-dark);
}

.staff-card.headmaster-card .staff-designation {
  font-size: 1.05rem;
  color: var(--color-accent-dark);
}

/* Responsive Picture Component */
.responsive-picture {
  display: block;
  width: 100%;
  height: 100%;
}

.responsive-picture img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

/* Activity Card Multi-Image Grid Layout */
.activity-card-images {
  display: grid !important;
  grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
  width: 100%;
}

.activity-card-images.single-image {
  grid-template-columns: 1fr !important;
}

@media (max-width: 640px) {
  .activity-card-images.multi-images {
    grid-template-columns: 1fr !important;
  }
}

.activity-card-image,
.activity-thumbnail-wrapper {
  width: 100%;
  aspect-ratio: 16 / 9 !important;
  overflow: hidden;
  border-radius: var(--radius-sm);
  background-color: var(--color-background-light, #F1F5F9);
  border: 1px solid var(--color-border-light);
  display: block;
  margin: 0;
  padding: 0;
}

.activity-card-image .responsive-picture,
.activity-thumbnail-wrapper .responsive-picture {
  display: block;
  width: 100%;
  height: 100%;
}

.activity-card-image img,
.activity-thumbnail-wrapper img,
.activity-thumbnail-img {
  width: 100% !important;
  height: 100% !important;
  aspect-ratio: 16 / 9 !important;
  object-fit: cover !important;
  object-position: center 25%;
  display: block;
  transition: transform 0.2s ease;
}

.activity-card:hover .activity-card-image img,
.activity-card:hover .activity-thumbnail-wrapper img {
  transform: scale(1.02);
}

/* Student Spotlight Component Styling */
.spotlight-card {
  border: 1px solid var(--color-border-light);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.spotlight-card.featured-spotlight-card {
  border-top: 4px solid var(--color-accent-provisional);
  background-color: #FAFCFF;
}

.spotlight-thumbnail-wrapper {
  width: 100%;
  max-height: 520px;
  overflow: hidden;
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-4);
  background-color: var(--color-background-light);
  border: 1px solid var(--color-border-light);
}

.spotlight-thumbnail-img {
  width: 100%;
  height: auto;
  max-height: 520px;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  display: block;
}

/* Activity Detail Gallery Grid Styling */
.activity-gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-4);
  margin-block: var(--space-6);
}

.gallery-photo-item {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border-light);
  background-color: var(--color-surface);
  box-shadow: var(--shadow-subtle);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.gallery-photo-item:hover,
.gallery-photo-item:focus-visible {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-accent-provisional);
}

.gallery-photo-img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  display: block;
}

/* Lightbox Modal Component */
.lightbox-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(10, 37, 64, 0.92);
  z-index: 20000;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: var(--space-6);
}

.lightbox-modal-content {
  max-width: 90vw;
  max-height: 80vh;
  object-fit: contain;
  border-radius: var(--radius-md);
  border: 2px solid var(--color-accent-provisional);
  box-shadow: var(--shadow-lg);
}

.lightbox-caption {
  color: var(--color-text-inverse);
  margin-top: var(--space-3);
  font-size: var(--font-size-body);
  font-weight: 600;
  text-align: center;
}

.lightbox-close-btn {
  position: absolute;
  top: var(--space-6);
  right: var(--space-6);
  background: var(--color-accent-provisional);
  color: var(--color-primary-dark);
  border: none;
  font-size: 1.5rem;
  font-weight: 700;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Category Badge Component */
.badge {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  font-size: var(--font-size-caption);
  font-weight: 700;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.badge-notice { background-color: #E0F2FE; color: #0369A1; }
.badge-academic { background-color: #FEF3C7; color: #92400E; }
.badge-pmshri { background-color: var(--color-pmshri-light); color: var(--color-pmshri-provisional); }

/* Empty List State Component */
.empty-state {
  background-color: var(--color-surface);
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-8);
  text-align: center;
  color: var(--color-text-muted);
  margin-block: var(--space-4);
}

.empty-state p {
  font-size: var(--font-size-body);
  font-weight: 600;
  margin: 0;
}

/* Single-Image Viewer Component Styles */
.gallery-single-photo-img,
.gallery-single-photo-img picture,
.gallery-single-photo-img img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.gallery-nav-btn:hover,
.gallery-nav-btn:focus-visible {
  background: var(--color-primary-provisional, #0F172A) !important;
  border-color: #FFFFFF !important;
  transform: translateY(-50%) scale(1.1) !important;
  outline: 2px solid var(--color-focus-ring, #0284C7);
}

@media (max-width: 640px) {
  .single-image-viewer-wrapper {
    padding: var(--space-2) !important;
  }
  .gallery-nav-btn {
    width: 38px !important;
    height: 38px !important;
    font-size: 1.5rem !important;
  }
}