:root {
  --primary-color: #ffd54f;
  --secondary-color: #ffe082;
  --dark-color: #7986cb;
  --sidebar-bg: #1a237e;
  --sidebar-hover: #7986cb;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* Top Navbar */
.sb-topnav {
  background: linear-gradient(135deg, var(--dark-color), #1a237e) !important;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  padding: 0.8rem 1rem;
}

.navbar-brand {
  font-weight: 700;
  font-size: 1.3rem;
  color: var(--primary-color) !important;
  text-shadow: 0 0 10px rgba(87, 99, 209, 0.3);
}

.navbar-brand:hover {
  color: var(--secondary-color) !important;
}

/* Sidebar */
.sb-sidenav {
  background: var(--sidebar-bg) !important;
}

.sb-sidenav .nav-link {
  color: rgba(255, 255, 255, 0.8);
  padding: 12px 20px;
  transition: all 0.3s ease;
  border-left: 3px solid transparent;
  margin: 2px 0;
}

.sb-sidenav .nav-link:hover {
  background: var(--sidebar-hover);
  color: white;
  border-left-color: var(--primary-color);
  padding-left: 25px;
}

.sb-sidenav .nav-link.active {
  background: var(--sidebar-hover);
  border-left-color: var(--primary-color);
  color: white;
}

.sb-nav-link-icon {
  color: var(--primary-color);
  margin-right: 10px;
}

.sb-sidenav-menu-nested .nav-link {
  padding-left: 50px;
  font-size: 0.9rem;
}

.sb-sidenav-footer {
  background: rgba(0, 0, 0, 0.2);
  padding: 15px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Main Content */
#layoutSidenav_content {
  background: linear-gradient(to bottom, #f8f9fa 0%, #e9ecef 100%);
}

main {
  min-height: calc(100vh - 56px);
}

/* Welcome Section */
.welcome-section {
  background: white;
  border-radius: 15px;
  padding: 25px;
  margin-bottom: 30px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
  border-left: 5px solid var(--primary-color);
}

.welcome-section h3 {
  color: var(--dark-color);
  font-weight: 700;
  margin-bottom: 10px;
}

.breadcrumb {
  background: transparent;
  padding: 0;
  margin: 0;
}

.breadcrumb-item {
  color: #6c757d;
}

.breadcrumb-item h5 {
  color: var(--primary-color);
  font-weight: 600;
  margin: 0;
}

/* Section Headers */
.section-header {
  display: inline-block;
  padding: 10px 25px;
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--secondary-color)
  );
  color: white;
  border-radius: 50px;
  font-weight: 600;
  margin-bottom: 25px;
  box-shadow: 0 3px 15px rgba(87, 99, 209, 0.3);
}

.section-header i {
  margin-right: 10px;
}

/* Calendar Container */
.calendar-container {
  background: white;
  border-radius: 15px;
  padding: 20px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
  margin-bottom: 30px;
}

.calendar-container iframe {
  border: 2px solid #e9ecef;
  border-radius: 10px;
}

/* Document Cards */
.document-card {
  background: white;
  border-radius: 15px;
  overflow: hidden;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
  transition: all 0.3s ease;
  height: 100%;
}

.document-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(87, 99, 209, 0.3);
}

.document-card iframe {
  border: none;
  border-radius: 15px;
}

/* Footer */
footer {
  background: white;
  box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.05);
}

footer a {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 600;
}

footer a:hover {
  color: var(--secondary-color);
}

/* User Dropdown */
.dropdown-menu {
  border: none;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
  border-radius: 10px;
}

.dropdown-item {
  padding: 10px 20px;
  transition: all 0.3s ease;
}

.dropdown-item:hover {
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--secondary-color)
  );
  color: white;
}

/* Sidebar Toggle Button */
#sidebarToggle {
  color: white;
  font-size: 1.2rem;
  transition: all 0.3s ease;
}

#sidebarToggle:hover {
  color: var(--primary-color);
  transform: scale(1.1);
}

/* User Badge */
.user-badge {
  background: rgba(87, 99, 209, 0.3);
  padding: 8px 15px;
  border-radius: 20px;
  color: var(--primary-color);
  font-weight: 600;
}

/* Collapse Arrow */
.sb-sidenav-collapse-arrow {
  color: var(--primary-color);
  transition: transform 0.3s ease;
}

.nav-link[aria-expanded="true"] .sb-sidenav-collapse-arrow {
  transform: rotate(180deg);
}

/* Scrollbar Styling */
.sb-sidenav-menu::-webkit-scrollbar {
  width: 6px;
}

.sb-sidenav-menu::-webkit-scrollbar-track {
  background: rgba(0, 0, 0, 0.1);
}

.sb-sidenav-menu::-webkit-scrollbar-thumb {
  background: var(--primary-color);
  border-radius: 10px;
}

/* Responsive */
@media (max-width: 768px) {
  .welcome-section {
    padding: 20px;
  }

  .calendar-container {
    padding: 15px;
  }

  .document-card iframe {
    height: 400px;
  }
}

.lab-info-list {
  background: #ffffff;
  border-radius: 10px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
  overflow: hidden;
}

.lab-info-item {
  display: flex;
  gap: 15px;
  padding: 16px 20px;
  border-bottom: 1px solid #e5e7eb;
  transition: background 0.2s ease;
}

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

.lab-info-item:hover {
  background: #f9fafb;
}

.lab-info-item i {
  font-size: 1.4rem;
  color: #2563eb;
  margin-top: 4px;
}

.lab-info-item h6 {
  margin: 0;
  font-weight: 600;
  color: #111827;
}

.lab-info-item p {
  margin: 4px 0 0;
  font-size: 0.95rem;
  color: #4b5563;
}

.mini-pink-btn {
  display: inline-block;
  padding: 2px 8px;
  font-size: 0.75rem;
  border: 1px solid #1a237e;
  /* Primary Pink */
  border-radius: 6px;
  color: #1a237e;
  text-decoration: none;
  line-height: 1.4;
  transition: all 0.2s ease;
}

.mini-pink-btn:hover {
  background-color: #ff8fab;
  /* Light Pink */
  border-color: #ff8fab;
  color: #ffffff;
}