/* Import premium fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

/* CSS CSS Reset & Variables */
:root {
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-display: 'Outfit', sans-serif;

  /* Color Palette - Premium Medical/Edu HSL Tones */
  --primary-teal: hsl(174, 85%, 32%);
  --primary-teal-light: hsl(174, 85%, 95%);
  --primary-blue: hsl(215, 90%, 48%);
  --primary-blue-light: hsl(215, 90%, 95%);
  --accent-purple: hsl(260, 80%, 55%);
  --accent-purple-light: hsl(260, 80%, 96%);
  --accent-orange: hsl(25, 95%, 52%);
  --accent-orange-light: hsl(25, 95%, 94%);
  --accent-red: hsl(0, 85%, 58%);
  --accent-red-light: hsl(0, 85%, 96%);
  --success-green: hsl(145, 75%, 38%);
  --success-green-light: hsl(145, 75%, 94%);
  
  /* Neutral Palette */
  --text-dark: hsl(210, 40%, 15%);
  --text-muted: hsl(210, 15%, 45%);
  --text-light: hsl(210, 15%, 65%);
  --bg-main: hsl(210, 30%, 97%);
  --bg-sidebar: hsl(222, 47%, 11%);
  --bg-card: hsl(0, 0%, 100%);
  --border-color: hsl(210, 20%, 90%);
  
  /* Decorative & UI Specs */
  --card-shadow: 0 10px 30px -5px rgba(0, 0, 0, 0.04), 0 1px 3px rgba(0, 0, 0, 0.02);
  --hover-shadow: 0 20px 40px -5px rgba(0, 0, 0, 0.08), 0 1px 3px rgba(0, 0, 0, 0.03);
  --glass-bg: rgba(255, 255, 255, 0.75);
  --glass-border: rgba(255, 255, 255, 0.5);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --transition-smooth: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --sidebar-width: 260px;
  --header-height: 70px;
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-main);
  color: var(--text-dark);
  font-size: 14px;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--primary-blue);
  text-decoration: none;
  transition: var(--transition-smooth);
}
a:hover {
  color: hsl(215, 90%, 38%);
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  outline: none;
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes pulse {
  0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(0, 180, 160, 0.4); }
  70% { transform: scale(1.03); box-shadow: 0 0 0 8px rgba(0, 180, 160, 0); }
  100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(0, 180, 160, 0); }
}

/* Main Container Layout */
.app-container {
  display: flex;
  min-height: 100vh;
}

/* Sidebar Styling */
.sidebar {
  width: var(--sidebar-width);
  background-color: var(--bg-sidebar);
  color: #fff;
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: 100;
  transition: var(--transition-smooth);
  box-shadow: 4px 0 25px rgba(0, 0, 0, 0.15);
}

.sidebar-brand {
  height: var(--header-height);
  display: flex;
  align-items: center;
  padding: 0 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.brand-logo {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 22px;
  background: linear-gradient(135deg, #00f2fe 0%, #4facfe 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: flex;
  align-items: center;
  gap: 8px;
}

.sidebar-user {
  padding: 20px 24px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.user-avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--primary-teal);
  background-color: #f0f0f0;
}

.user-info .user-name {
  font-weight: 600;
  font-size: 14px;
  color: #f8fafc;
}

.user-info .user-role {
  font-size: 11px;
  color: var(--text-light);
  display: inline-block;
  padding: 1px 6px;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 4px;
  margin-top: 2px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.sidebar-menu {
  list-style: none;
  padding: 20px 12px;
  flex: 1;
  overflow-y: auto;
}

.menu-item {
  margin-bottom: 6px;
}

.menu-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  color: #cbd5e1;
  border-radius: var(--radius-sm);
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.menu-link i {
  font-size: 18px;
  width: 24px;
  text-align: center;
  color: #94a3b8;
  transition: var(--transition-smooth);
}

.menu-link:hover {
  background-color: rgba(255, 255, 255, 0.05);
  color: #fff;
}

.menu-link:hover i {
  color: #38bdf8;
}

.menu-item.active .menu-link {
  background: linear-gradient(135deg, var(--primary-teal) 0%, hsl(174, 85%, 26%) 100%);
  color: #fff;
  box-shadow: 0 4px 15px rgba(0, 180, 160, 0.25);
}

.menu-item.active .menu-link i {
  color: #fff;
}

/* Main Content Panel Layout */
.main-panel {
  flex: 1;
  margin-left: var(--sidebar-width);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: var(--transition-smooth);
}

/* Header Styling (Glassmorphism) */
.header {
  height: var(--header-height);
  background-color: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 90;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 16px;
}

.global-search {
  position: relative;
  width: 300px;
}

.global-search input {
  width: 100%;
  padding: 10px 16px 10px 40px;
  background-color: #f1f5f9;
  border: 1px solid transparent;
  border-radius: 30px;
  font-size: 13px;
  color: var(--text-dark);
  transition: var(--transition-smooth);
}

.global-search input:focus {
  background-color: #fff;
  border-color: var(--primary-blue);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.global-search i {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-light);
}

.header-right {
  display: flex;
  align-items: center;
  gap: 20px;
}

/* Role Switcher Selector */
.role-switcher-container {
  display: flex;
  align-items: center;
  gap: 8px;
  background-color: #f1f5f9;
  padding: 4px;
  border-radius: 30px;
  border: 1px solid var(--border-color);
}

.role-btn {
  border: none;
  background: none;
  padding: 6px 16px;
  font-size: 12px;
  font-weight: 600;
  border-radius: 20px;
  cursor: pointer;
  color: var(--text-muted);
  transition: var(--transition-smooth);
}

.role-btn:hover {
  color: var(--text-dark);
}

.role-btn.active[data-role="admin"] {
  background-color: var(--accent-orange);
  color: #fff;
  box-shadow: 0 2px 8px rgba(249, 115, 22, 0.3);
}

.role-btn.active[data-role="faculty"] {
  background-color: var(--accent-purple);
  color: #fff;
  box-shadow: 0 2px 8px rgba(139, 92, 246, 0.3);
}

.role-btn.active[data-role="student"] {
  background-color: var(--primary-teal);
  color: #fff;
  box-shadow: 0 2px 8px rgba(13, 148, 136, 0.3);
}

/* User Notifications/Actions */
.notification-bell {
  position: relative;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background-color: #f1f5f9;
  cursor: pointer;
  color: var(--text-muted);
  transition: var(--transition-smooth);
}

.notification-bell:hover {
  background-color: #e2e8f0;
  color: var(--text-dark);
}

.notification-badge {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 8px;
  height: 8px;
  background-color: var(--accent-red);
  border-radius: 50%;
  border: 2px solid #fff;
}

/* Page Content View */
.content-body {
  padding: 32px;
  flex: 1;
  animation: fadeIn 0.35s ease-out;
}

.page-title-area {
  margin-bottom: 24px;
}

.breadcrumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
  font-size: 12px;
  color: var(--text-light);
  margin-bottom: 6px;
}

.breadcrumbs li:not(:last-child)::after {
  content: "/";
  margin-left: 8px;
  color: var(--text-light);
}

.breadcrumbs li a {
  color: var(--text-light);
}

.breadcrumbs li a:hover {
  color: var(--primary-blue);
}

.page-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 26px;
  color: var(--text-dark);
}

.page-subtitle {
  font-size: 14px;
  color: var(--text-muted);
  margin-top: 4px;
}

/* Cards & Layout Modules */
.grid-cols-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
  margin-bottom: 24px;
}

.grid-cols-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
  gap: 24px;
  margin-bottom: 24px;
}

.card {
  background-color: var(--bg-card);
  border-radius: var(--radius-md);
  box-shadow: var(--card-shadow);
  border: 1px solid var(--border-color);
  padding: 24px;
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--hover-shadow);
}

/* Metrics Dashboard Cards */
.metrics-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.metrics-info .metrics-label {
  font-size: 13px;
  color: var(--text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.metrics-info .metrics-val {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 700;
  color: var(--text-dark);
  margin-top: 4px;
  line-height: 1;
}

.metrics-info .metrics-trend {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  margin-top: 8px;
}

.metrics-trend.trend-up {
  color: var(--success-green);
}
.metrics-trend.trend-down {
  color: var(--accent-red);
}

.metrics-chart-preview {
  width: 70px;
  height: 50px;
}

/* Radial Metrics Card */
.radial-progress-container {
  position: relative;
  width: 65px;
  height: 65px;
}

.radial-progress-container svg {
  transform: rotate(-90deg);
}

.radial-progress-container .circle-bg {
  fill: none;
  stroke: #f1f5f9;
  stroke-width: 6px;
}

.radial-progress-container .circle-fill {
  fill: none;
  stroke: var(--success-green);
  stroke-width: 6px;
  stroke-linecap: round;
  transition: stroke-dashoffset 0.5s ease-out;
}

.radial-progress-text {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 13px;
  color: var(--text-dark);
}

/* Home Welcome Banner */
.welcome-banner {
  background: linear-gradient(135deg, var(--bg-sidebar) 0%, hsl(222, 47%, 18%) 100%);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 40px;
  position: relative;
  overflow: hidden;
  margin-bottom: 30px;
  box-shadow: 0 15px 35px rgba(15, 23, 42, 0.15);
}

.welcome-banner::before {
  content: '';
  position: absolute;
  right: -50px;
  top: -50px;
  width: 250px;
  height: 250px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(56, 189, 248, 0.1) 0%, transparent 70%);
}

.welcome-title {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 800;
  letter-spacing: -0.5px;
}

.welcome-desc {
  font-size: 15px;
  color: #cbd5e1;
  max-width: 550px;
  margin-top: 10px;
}

/* Home Modules Grid (Admin, Faculty, Student Hubs) */
.modules-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.module-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 30px 24px;
  display: flex;
  flex-direction: column;
  height: 100%;
  box-shadow: var(--card-shadow);
  transition: var(--transition-smooth);
}

.module-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--hover-shadow);
  border-color: rgba(56, 189, 248, 0.4);
}

.module-icon-box {
  width: 54px;
  height: 54px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 20px;
}

.module-card[data-theme="blue"] .module-icon-box { background-color: var(--primary-blue-light); color: var(--primary-blue); }
.module-card[data-theme="purple"] .module-icon-box { background-color: var(--accent-purple-light); color: var(--accent-purple); }
.module-card[data-theme="teal"] .module-icon-box { background-color: var(--primary-teal-light); color: var(--primary-teal); }
.module-card[data-theme="orange"] .module-icon-box { background-color: var(--accent-orange-light); color: var(--accent-orange); }
.module-card[data-theme="red"] .module-icon-box { background-color: var(--accent-red-light); color: var(--accent-red); }

.module-card h3 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-dark);
}

.module-card p {
  color: var(--text-muted);
  font-size: 13px;
  margin-bottom: 20px;
  flex: 1;
}

.module-link {
  font-weight: 600;
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: auto;
}

.module-link i {
  transition: var(--transition-smooth);
}

.module-card:hover .module-link i {
  transform: translateX(4px);
}

/* Tables CSS */
.table-card {
  padding: 0;
  overflow: hidden;
}

.table-header {
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-color);
}

.table-title {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  color: var(--text-dark);
}

.table-filters {
  display: flex;
  align-items: center;
  gap: 12px;
}

.table-responsive {
  width: 100%;
  overflow-x: auto;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.data-table th {
  background-color: #f8fafc;
  padding: 14px 24px;
  font-weight: 600;
  color: var(--text-muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 1px solid var(--border-color);
}

.data-table td {
  padding: 16px 24px;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-dark);
  font-size: 13px;
  vertical-align: middle;
}

.data-table tr:last-child td {
  border-bottom: none;
}

.data-table tr:hover td {
  background-color: #f8fafc;
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  text-transform: capitalize;
}

.badge-green { background-color: var(--success-green-light); color: var(--success-green); }
.badge-blue { background-color: var(--primary-blue-light); color: var(--primary-blue); }
.badge-purple { background-color: var(--accent-purple-light); color: var(--accent-purple); }
.badge-orange { background-color: var(--accent-orange-light); color: var(--accent-orange); }
.badge-red { background-color: var(--accent-red-light); color: var(--accent-red); }
.badge-grey { background-color: #f1f5f9; color: var(--text-muted); }

/* Avatar Badges (Used in Lists) */
.user-meta {
  display: flex;
  align-items: center;
  gap: 12px;
}

.user-meta-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  object-fit: cover;
  background-color: #e2e8f0;
}

.user-meta-name {
  font-weight: 500;
  color: var(--text-dark);
}

.user-meta-sub {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 1px;
}

/* Form Styles */
.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-weight: 500;
  color: var(--text-dark);
  margin-bottom: 6px;
  font-size: 13px;
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-dark);
  background-color: #fff;
  transition: var(--transition-smooth);
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--primary-blue);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.12);
}

.form-textarea {
  resize: vertical;
  min-height: 80px;
}

/* Button UI */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  font-size: 13px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition-smooth);
  border: none;
}

.btn-primary { background-color: var(--primary-blue); color: #fff; }
.btn-primary:hover { background-color: hsl(215, 90%, 42%); box-shadow: 0 4px 12px rgba(59, 130, 246, 0.2); }

.btn-teal { background-color: var(--primary-teal); color: #fff; }
.btn-teal:hover { background-color: hsl(174, 85%, 26%); box-shadow: 0 4px 12px rgba(13, 148, 136, 0.2); }

.btn-purple { background-color: var(--accent-purple); color: #fff; }
.btn-purple:hover { background-color: hsl(260, 80%, 48%); box-shadow: 0 4px 12px rgba(139, 92, 246, 0.2); }

.btn-secondary { background-color: #f1f5f9; color: var(--text-dark); border: 1px solid var(--border-color); }
.btn-secondary:hover { background-color: #e2e8f0; }

.btn-danger { background-color: var(--accent-red); color: #fff; }
.btn-danger:hover { background-color: hsl(0, 85%, 50%); box-shadow: 0 4px 12px rgba(239, 68, 68, 0.2); }

.btn-sm {
  padding: 6px 12px;
  font-size: 12px;
  border-radius: 6px;
}

.btn-icon {
  width: 32px;
  height: 32px;
  padding: 0;
  border-radius: 50%;
  background-color: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border-color);
}
.btn-icon:hover {
  background-color: #f1f5f9;
  color: var(--text-dark);
}

/* Modals */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(4px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-smooth);
}

.modal-overlay.open {
  opacity: 1;
  visibility: visible;
}

.modal-box {
  background-color: var(--bg-card);
  border-radius: var(--radius-md);
  width: 100%;
  max-width: 550px;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  border: 1px solid var(--border-color);
  overflow: hidden;
  transform: scale(0.95);
  transition: var(--transition-smooth);
}

.modal-overlay.open .modal-box {
  transform: scale(1);
}

.modal-header {
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-color);
}

.modal-title {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--text-dark);
}

.modal-close {
  background: none;
  border: none;
  font-size: 20px;
  color: var(--text-light);
  cursor: pointer;
  transition: var(--transition-smooth);
}
.modal-close:hover {
  color: var(--accent-red);
}

.modal-body {
  padding: 24px;
  max-height: 75vh;
  overflow-y: auto;
}

.modal-footer {
  padding: 16px 24px;
  background-color: #f8fafc;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: flex-end;
  gap: 12px;
}

/* Modal User Avatar Upload Form Section */
.modal-avatar-upload {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 24px;
}

.upload-avatar-preview-container {
  position: relative;
  width: 80px;
  height: 80px;
}

.upload-avatar-preview {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--primary-blue-light);
}

.avatar-edit-badge {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 24px;
  height: 24px;
  background-color: #eab308;
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  border: 2px solid #fff;
  cursor: pointer;
}

/* Tabs UI styling */
.tabs-navigation {
  display: flex;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 24px;
}

.tab-link {
  padding: 12px 24px;
  font-weight: 600;
  font-size: 13px;
  color: var(--text-muted);
  cursor: pointer;
  position: relative;
  transition: var(--transition-smooth);
}

.tab-link:hover {
  color: var(--text-dark);
}

.tab-link.active {
  color: var(--primary-blue);
}

.tab-link.active::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--primary-blue);
}

/* Split-screen panels (e.g. Lab, HMS, Pharmacy layouts) */
.split-layout {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 24px;
  align-items: start;
}

.split-left {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.split-right {
  position: sticky;
  top: 94px;
}

/* Upload Dropzone Styling */
.upload-dropzone {
  border: 2px dashed var(--border-color);
  border-radius: var(--radius-md);
  padding: 40px 20px;
  text-align: center;
  background-color: #f8fafc;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.upload-dropzone:hover {
  border-color: var(--primary-blue);
  background-color: var(--primary-blue-light);
}

.upload-dropzone i {
  font-size: 36px;
  color: var(--text-light);
  margin-bottom: 12px;
}

.upload-dropzone h4 {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 4px;
  color: var(--text-dark);
}

.upload-dropzone p {
  font-size: 12px;
  color: var(--text-muted);
}

/* Attachment Badge Pills */
.attachment-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background-color: var(--primary-blue-light);
  color: var(--primary-blue);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 500;
  margin-right: 8px;
  margin-bottom: 8px;
  border: 1px solid rgba(59, 130, 246, 0.2);
}

.attachment-pill i {
  font-size: 14px;
}

/* Preview Panels */
.preview-card {
  background-color: var(--bg-card);
  border-radius: var(--radius-md);
  box-shadow: var(--card-shadow);
  border: 1px solid var(--border-color);
  overflow: hidden;
}

.preview-header {
  padding: 16px 20px;
  background-color: #f8fafc;
  border-bottom: 1px solid var(--border-color);
  font-weight: 600;
  font-size: 14px;
  color: var(--text-dark);
}

.preview-content {
  padding: 20px;
}

/* Thumbnail grids for reports/imaging */
.thumbnails-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(60px, 1fr));
  gap: 12px;
  margin-bottom: 20px;
}

.thumbnail-box {
  width: 100%;
  aspect-ratio: 1;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  cursor: pointer;
  overflow: hidden;
  background-color: #f1f5f9;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: var(--text-light);
  transition: var(--transition-smooth);
}

.thumbnail-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.thumbnail-box.active {
  border-color: var(--primary-blue);
  box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}

/* Calendar Scheduler Grid */
.calendar-container {
  display: flex;
  flex-direction: column;
  background-color: var(--bg-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  overflow: hidden;
}

.calendar-header-bar {
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: #f8fafc;
  border-bottom: 1px solid var(--border-color);
}

.calendar-title {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
}

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-bottom: 1px solid var(--border-color);
}

.calendar-day-header {
  padding: 12px;
  text-align: center;
  font-weight: 600;
  font-size: 12px;
  background-color: #f1f5f9;
  border-right: 1px solid var(--border-color);
  color: var(--text-muted);
}
.calendar-day-header:last-child {
  border-right: none;
}

.calendar-day-col {
  min-height: 350px;
  padding: 12px;
  background-color: #fff;
  border-right: 1px solid var(--border-color);
  position: relative;
}
.calendar-day-col:last-child {
  border-right: none;
}

.calendar-event {
  border-radius: 6px;
  padding: 8px 12px;
  font-size: 12px;
  margin-bottom: 10px;
  cursor: pointer;
  transition: var(--transition-smooth);
  border-left: 4px solid var(--text-light);
}

.calendar-event:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.event-completed {
  background-color: var(--success-green-light);
  border-left-color: var(--success-green);
  color: hsl(145, 75%, 25%);
}

.event-ongoing {
  background-color: var(--accent-orange-light);
  border-left-color: var(--accent-orange);
  color: hsl(25, 95%, 30%);
}

.event-upcoming {
  background-color: var(--primary-blue-light);
  border-left-color: var(--primary-blue);
  color: hsl(215, 90%, 30%);
}

.event-title {
  font-weight: 600;
  margin-bottom: 2px;
}

.event-time {
  font-size: 10px;
  opacity: 0.8;
}

/* LMS Course Cards Grid */
.courses-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 24px;
}

.course-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--card-shadow);
  transition: var(--transition-smooth);
}

.course-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--hover-shadow);
}

.course-banner {
  height: 120px;
  background-size: cover;
  background-position: center;
  position: relative;
}

.course-badge {
  position: absolute;
  top: 12px;
  left: 12px;
}

.course-body {
  padding: 16px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.course-code {
  font-size: 11px;
  color: var(--text-light);
  font-weight: 600;
  letter-spacing: 0.5px;
  margin-bottom: 4px;
}

.course-name {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  color: var(--text-dark);
  line-height: 1.4;
  margin-bottom: 8px;
}

.course-meta-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-muted);
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px solid var(--border-color);
}

.course-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 12px;
}

/* Interactive Quiz Engine UI */
.quiz-container {
  background-color: var(--bg-card);
  border-radius: var(--radius-md);
  box-shadow: var(--card-shadow);
  border: 1px solid var(--border-color);
  overflow: hidden;
  max-width: 750px;
  margin: 0 auto;
}

.quiz-header {
  padding: 24px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.quiz-info h2 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
}

.quiz-timer {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--accent-red);
  background-color: var(--accent-red-light);
  padding: 6px 14px;
  border-radius: 20px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.quiz-progress-bar-container {
  height: 4px;
  background-color: #f1f5f9;
}

.quiz-progress-bar-fill {
  height: 100%;
  background-color: var(--primary-blue);
  width: 0%;
  transition: width 0.3s ease;
}

.quiz-question-box {
  padding: 30px;
}

.quiz-question-num {
  font-size: 12px;
  color: var(--text-muted);
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 1px;
  margin-bottom: 8px;
}

.quiz-question-text {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--text-dark);
  margin-bottom: 24px;
}

.quiz-options-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.quiz-option {
  display: flex;
  align-items: center;
  padding: 16px 20px;
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  transition: var(--transition-smooth);
}

.quiz-option:hover {
  background-color: var(--primary-blue-light);
  border-color: rgba(59, 130, 246, 0.4);
}

.quiz-option.selected {
  background-color: var(--primary-blue-light);
  border-color: var(--primary-blue);
  color: var(--primary-blue);
  font-weight: 600;
}

.quiz-option-letter {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background-color: #f1f5f9;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  margin-right: 14px;
  color: var(--text-muted);
}

.quiz-option.selected .quiz-option-letter {
  background-color: var(--primary-blue);
  color: #fff;
}

.quiz-footer {
  padding: 20px 30px;
  background-color: #f8fafc;
  border-top: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Quiz Results Screen */
.quiz-results {
  text-align: center;
  padding: 40px 20px;
}

.results-icon {
  width: 70px;
  height: 70px;
  border-radius: 50%;
  background-color: var(--success-green-light);
  color: var(--success-green);
  font-size: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}

.results-score {
  font-family: var(--font-display);
  font-size: 48px;
  font-weight: 800;
  color: var(--text-dark);
  margin-bottom: 8px;
}

.results-msg {
  font-size: 16px;
  color: var(--text-muted);
  max-width: 400px;
  margin: 0 auto 24px;
}

/* Alert/Critical Banner */
.alert-banner {
  padding: 16px 20px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 13px;
  margin-bottom: 24px;
}

.alert-banner-danger {
  background-color: var(--accent-red-light);
  border-left: 4px solid var(--accent-red);
  color: hsl(0, 85%, 25%);
}

.alert-banner-danger i {
  color: var(--accent-red);
  font-size: 16px;
  margin-top: 2px;
}

/* Leaderboard Board */
.leaderboard-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.leaderboard-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background-color: #f8fafc;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
}

.leaderboard-rank {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 15px;
  width: 24px;
  color: var(--text-light);
}

.leaderboard-rank-1 { color: #eab308; }
.leaderboard-rank-2 { color: #94a3b8; }
.leaderboard-rank-3 { color: #b45309; }

.leaderboard-progress {
  flex: 1;
  max-width: 150px;
  height: 6px;
  background-color: #e2e8f0;
  border-radius: 3px;
  overflow: hidden;
  margin: 0 16px;
}

.leaderboard-progress-fill {
  height: 100%;
  background-color: var(--primary-teal);
  border-radius: 3px;
}

/* General Layout helpers */
.flex { display: flex; }
.flex-col { display: flex; flex-direction: column; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-12 { gap: 12px; }
.gap-16 { gap: 16px; }
.mb-12 { margin-bottom: 12px; }
.mb-24 { margin-bottom: 24px; }
.mt-24 { margin-top: 24px; }
.w-full { width: 100%; }

/* Scrollbar styles */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: #cbd5e1;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: #94a3b8;
}

/* Login screen styles */
.login-body {
  background: linear-gradient(135deg, hsl(222, 47%, 9%) 0%, hsl(222, 47%, 20%) 100%);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.login-card {
  width: 100%;
  max-width: 440px;
  background-color: #fff;
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
  padding: 40px;
  animation: fadeIn 0.4s ease-out;
}

.login-logo {
  text-align: center;
  margin-bottom: 30px;
}

.login-logo .logo-txt {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 28px;
  background: linear-gradient(135deg, var(--primary-teal) 0%, var(--primary-blue) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.login-logo .logo-sub {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 6px;
}

.role-select-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 24px;
}

.role-select-box {
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px 8px;
  text-align: center;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.role-select-box i {
  font-size: 22px;
  color: var(--text-light);
  margin-bottom: 8px;
}

.role-select-box .role-label {
  font-weight: 600;
  font-size: 12px;
  color: var(--text-muted);
}

.role-select-box:hover {
  border-color: rgba(59, 130, 246, 0.4);
  background-color: var(--primary-blue-light);
}

.role-select-box.selected {
  border-color: var(--primary-blue);
  background-color: var(--primary-blue-light);
}

.role-select-box.selected i {
  color: var(--primary-blue);
}

.role-select-box.selected .role-label {
  color: var(--primary-blue);
}