/**
 * Laboratoires Platform - Scientific Research Laboratories
 * Modern, clean design with RTL support
 */

:root {
  --lab-primary: #0d9488;
  --lab-primary-dark: #0f766e;
  --lab-primary-light: #14b8a6;
  --lab-accent: #06b6d4;
  --lab-bg-light: #f0fdfa;
  --lab-bg-card: #ffffff;
  --lab-text: #1e293b;
  --lab-text-muted: #64748b;
  --lab-border: #e2e8f0;
  --lab-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.06);
  --lab-shadow-hover: 0 20px 25px -5px rgba(13, 148, 136, 0.12), 0 8px 10px -6px rgba(13, 148, 136, 0.08);
  --lab-radius: 16px;
  --lab-radius-sm: 12px;
  --lab-transition: 0.3s ease;
}

/* Hero / Banner */
.lab-hero {
  position: relative;
  padding: 5rem 0;
  background: linear-gradient(135deg, var(--lab-primary) 0%, var(--lab-primary-dark) 50%, #0c4a6e 100%);
  overflow: hidden;
}

.lab-hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 60%;
  height: 200%;
  background: radial-gradient(circle, rgba(255,255,255,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.lab-hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 40%;
  height: 120%;
  background: radial-gradient(circle, rgba(255,255,255,0.05) 0%, transparent 70%);
  pointer-events: none;
}

.lab-hero .lab-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.25rem;
  background: rgba(255, 255, 255, 0.15);
  border-radius: 9999px;
  color: #fff;
  font-size: 1.2rem;
  margin-bottom: 1rem;
  backdrop-filter: blur(8px);
}

.lab-hero h1 {
  color: #fff;
  font-weight: 700;
  font-size: 2.5rem;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.lab-hero .lab-hero-desc {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.35rem;
  line-height: 1.8;
  max-width: 42rem;
  margin-left: auto;
  margin-right: auto;
}

[dir="rtl"] .lab-hero .lab-hero-desc {
  margin-left: auto;
  margin-right: auto;
}

/* Section title */
.lab-section-head {
  text-align: center;
  margin-bottom: 3rem;
}

.lab-section-head .lab-section-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--lab-primary);
  font-weight: 600;
  font-size: 1.1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.75rem;
}

.lab-section-head h2 {
  color: var(--lab-text);
  font-weight: 700;
  font-size: 2.1rem;
}

/* Faculty block */
.lab-faculty-block {
  margin-bottom: 3.5rem;
}

.lab-faculty-title {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding-bottom: 0.75rem;
  margin-bottom: 1.5rem;
  border-bottom: 3px solid var(--lab-primary);
  color: var(--lab-primary-dark);
  font-size: 1.6rem;
  font-weight: 700;
}

.lab-faculty-title i {
  font-size: 1.75rem;
  opacity: 0.9;
}

/* Lab card (index listing) */
.lab-card {
  display: block;
  height: 100%;
  padding: 1.75rem;
  background: var(--lab-bg-card);
  border-radius: var(--lab-radius);
  border: 1px solid var(--lab-border);
  box-shadow: var(--lab-shadow);
  transition: transform var(--lab-transition), box-shadow var(--lab-transition), border-color var(--lab-transition);
  text-decoration: none;
  color: inherit;
}

.lab-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--lab-shadow-hover);
  border-color: var(--lab-primary-light);
  color: inherit;
}

.lab-card-icon {
  width: 64px;
  height: 64px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--lab-bg-light) 0%, #e0f2f1 100%);
  border-radius: var(--lab-radius-sm);
  color: var(--lab-primary);
  font-size: 2rem;
  margin-bottom: 1rem;
}

.lab-card img.lab-card-icon-img {
  width: 64px;
  height: 64px;
  object-fit: cover;
  border-radius: var(--lab-radius-sm);
}

.lab-card h3 {
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--lab-text);
  margin-bottom: 0.5rem;
  line-height: 1.4;
}

.lab-card .lab-card-directeur {
  font-size: 1.05rem;
  color: var(--lab-text-muted);
  margin-bottom: 0.75rem;
}

.lab-card .lab-card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--lab-primary);
  transition: gap 0.2s ease;
}

.lab-card:hover .lab-card-link {
  gap: 0.5rem;
}

/* Detail page */
.lab-detail-hero {
  padding: 2rem 0;
  background: linear-gradient(180deg, var(--lab-bg-light) 0%, #fff 100%);
  border-bottom: 1px solid var(--lab-border);
}

.lab-detail-hero .lab-back-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.25rem;
  font-size: 1.1rem;
  border-radius: var(--lab-radius-sm);
  font-weight: 500;
  color: var(--lab-primary);
  border: 1px solid var(--lab-primary);
  background: #fff;
  text-decoration: none;
  transition: background var(--lab-transition), color var(--lab-transition);
}

.lab-detail-hero .lab-back-btn:hover {
  background: var(--lab-primary);
  color: #fff;
  border-color: var(--lab-primary);
}

.lab-detail-card {
  border-radius: var(--lab-radius);
  border: 1px solid var(--lab-border);
  box-shadow: var(--lab-shadow);
  overflow: hidden;
  background: var(--lab-bg-card);
}

.lab-detail-card .lab-detail-image {
  width: 100%;
  height: 280px;
  object-fit: cover;
  background: var(--lab-bg-light);
}

.lab-detail-card .card-body {
  padding: 2rem 2.5rem;
}

.lab-detail-card .lab-faculty-badge {
  display: inline-block;
  padding: 0.35rem 1rem;
  background: var(--lab-bg-light);
  color: var(--lab-primary);
  font-size: 1.05rem;
  font-weight: 600;
  border-radius: 9999px;
  margin-bottom: 0.5rem;
}

.lab-detail-card h1 {
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--lab-text);
  margin-bottom: 0.5rem;
}

.lab-detail-card .lab-website-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.25rem;
  font-size: 1.1rem;
  border-radius: var(--lab-radius-sm);
  font-weight: 500;
  color: var(--lab-primary);
  border: 1px solid var(--lab-primary);
  background: #fff;
  text-decoration: none;
  transition: background var(--lab-transition), color var(--lab-transition);
}

.lab-detail-card .lab-website-btn:hover {
  background: var(--lab-primary);
  color: #fff;
}

.lab-detail-card .laboratoire-description {
  font-size: 1.15rem;
  line-height: 1.85;
}

/* Members grid */
.lab-members-card,
.lab-gallery-card {
  border-radius: var(--lab-radius);
  border: 1px solid var(--lab-border);
  box-shadow: var(--lab-shadow);
  overflow: hidden;
  background: var(--lab-bg-card);
}

.lab-members-card .card-body,
.lab-gallery-card .card-body {
  padding: 2rem 2.5rem;
}

.lab-members-card h4,
.lab-gallery-card h4 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--lab-text);
  margin-bottom: 1.5rem;
  padding-bottom: 0.75rem;
  border-bottom: 2px solid var(--lab-bg-light);
}

.lab-member-item {
  padding: 1rem 1.25rem;
  background: var(--lab-bg-light);
  border-radius: var(--lab-radius-sm);
  border: 1px solid transparent;
  transition: border-color var(--lab-transition), background 0.2s ease;
}

.lab-member-item:hover {
  border-color: var(--lab-primary-light);
  background: #fff;
}

.lab-member-item strong {
  color: var(--lab-text);
  font-size: 1.15rem;
}

.lab-member-item .lab-member-role {
  font-size: 1.05rem;
  color: var(--lab-text-muted);
  margin-top: 0.25rem;
}

/* Gallery grid */
.lab-gallery-item {
  display: block;
  border-radius: var(--lab-radius-sm);
  overflow: hidden;
  box-shadow: var(--lab-shadow);
  transition: transform var(--lab-transition), box-shadow var(--lab-transition);
}

.lab-gallery-item:hover {
  transform: scale(1.02);
  box-shadow: var(--lab-shadow-hover);
}

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

.lab-gallery-item .lab-gallery-caption {
  padding: 0.75rem 1rem;
  background: #fff;
  font-size: 1.05rem;
  color: var(--lab-text-muted);
}

/* Empty state */
.lab-empty {
  text-align: center;
  padding: 4rem 2rem;
  color: var(--lab-text-muted);
  font-size: 1.35rem;
}

.lab-empty i {
  font-size: 5rem;
  color: var(--lab-border);
  margin-bottom: 1rem;
  display: block;
}

/* List section background */
.lab-list-section {
  background: #f8fafc;
  padding: 4rem 0;
}

/* Animation */
@media (prefers-reduced-motion: no-preference) {
  .lab-card,
  .lab-member-item,
  .lab-gallery-item {
    animation: labFadeIn 0.5s ease backwards;
  }
}

@keyframes labFadeIn {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.lab-card:hover {
  animation: none;
}