/* ========================================
   Modern Admin Dashboard CSS
   Font: Nunito | Style: Clean & Minimal
   ======================================== */

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

/* ========================================
   ROOT & VARIABLES
   ======================================== */
:root {
  --primary-color: #4f46e5;
  --primary-hover: #4338ca;
  --secondary-color: #64748b;
  --success-color: #10b981;
  --warning-color: #f59e0b;
  --danger-color: #ef4444;
  --dark-color: #1e293b;
  --light-bg: #f8fafc;
  --card-bg: #ffffff;
  --border-color: #e2e8f0;
  --text-primary: #0f172a;
  --text-muted: #64748b;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ========================================
   GLOBAL STYLES
   ======================================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Nunito', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--light-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ========================================
   TOPBAR / NAVBAR
   ======================================== */
.admin-topbar {
  height: 70px;
  border-bottom: 1px solid var(--border-color);
  backdrop-filter: blur(10px);
  background-color: rgba(255, 255, 255, 0.95) !important;
  transition: var(--transition);
}

.admin-topbar .navbar-brand {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--primary-color);
  letter-spacing: -0.02em;
}

.admin-topbar .btn-link {
  color: var(--text-muted);
  text-decoration: none;
  transition: var(--transition);
  position: relative;
}

.admin-topbar .btn-link:hover {
  color: var(--primary-color);
  transform: translateY(-1px);
}

/* Notification Badge */
.notif-dot {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 8px;
  height: 8px;
  padding: 0;
  font-size: 0;
}

/* Avatar Badge */
.avatar-badge {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
  color: white;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.5px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.avatar-badge:hover {
  transform: scale(1.05);
  box-shadow: var(--shadow-md);
}

/* ========================================
   ATTENDANCE TABLE STYLES
   ======================================== */
.attendance-table {
  max-width: 100%;
  overflow-x: auto;
  overflow-y: visible;
  position: relative;
}

.attendance-table table {
  border-collapse: separate;
  border-spacing: 0;
}

/* Sticky header */
.sticky-header th {
  position: sticky;
  top: 0;
  z-index: 10;
  background-color: var(--light-bg);
  box-shadow: 0 2px 2px -1px rgba(0, 0, 0, 0.1);
}

/* Sticky column (nama siswa) */
.sticky-col {
  position: sticky;
  left: 0;
  z-index: 5;
  box-shadow: 2px 0 4px rgba(0, 0, 0, 0.05);
}

.sticky-header .sticky-col {
  z-index: 15;
}

/* Attendance cells */
.attendance-cell {
  padding: 0.75rem;
  min-width: 180px;
  vertical-align: top;
}

.attendance-date-col {
  padding: 0.75rem;
}

/* Weekend column highlight */
.weekend-col {
  background-color: #fef3c7 !important;
}

/* Avatar small for table */
.avatar-sm {
  width: 32px;
  height: 32px;
  font-size: 12px;
}

/* Select attendance color coding */
.attendance-select {
  border: 2px solid var(--border-color);
  font-weight: 600;
  transition: var(--transition);
}

/* Options inside select - ensure readable */
.attendance-select option {
  background-color: white !important;
  color: var(--text-primary) !important;
  padding: 0.5rem;
}

.attendance-select.status-present {
  border-color: var(--success-color);
  background-color: rgba(16, 185, 129, 0.1);
  color: var(--success-color);
}

.attendance-select.status-late {
  border-color: var(--warning-color);
  background-color: rgba(245, 158, 11, 0.1);
  color: #92400e;
}

.attendance-select.status-sick {
  border-color: #0ea5e9;
  background-color: rgba(14, 165, 233, 0.1);
  color: #075985;
}

.attendance-select.status-permit {
  border-color: var(--primary-color);
  background-color: rgba(79, 70, 229, 0.1);
  color: var(--primary-color);
}

.attendance-select.status-absent {
  border-color: var(--danger-color);
  background-color: rgba(239, 68, 68, 0.1);
  color: var(--danger-color);
}

/* Table bordered */
.table-bordered th,
.table-bordered td {
  border: 1px solid var(--border-color);
}

/* ========================================
   MATERIAL CARDS (Student View)
   ======================================== */
.material-card {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.material-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-color), var(--primary-hover));
  opacity: 0;
  transition: var(--transition);
}

.material-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: var(--primary-color);
}

.material-card:hover::before {
  opacity: 1;
}

.material-card .card-title {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text-primary);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.material-card .card-text {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Container for student view */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 1rem;
  padding-right: 1rem;
}

@media (min-width: 768px) {
  .container {
    padding-left: 2rem;
    padding-right: 2rem;
  }
}

/* ========================================
   MATERIAL DETAIL PAGE
   ======================================== */
/* Breadcrumb */
.breadcrumb {
  background-color: transparent;
  padding: 0;
  margin-bottom: 0;
}

.breadcrumb-item a {
  color: var(--text-muted);
  text-decoration: none;
  transition: var(--transition);
}

.breadcrumb-item a:hover {
  color: var(--primary-color);
}

.breadcrumb-item.active {
  color: var(--text-primary);
}

/* Material Content */
.material-content .prose {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--text-primary);
}

.material-content .prose h1,
.material-content .prose h2,
.material-content .prose h3,
.material-content .prose h4 {
  margin-top: 2rem;
  margin-bottom: 1rem;
  font-weight: 700;
}

.material-content .prose h1 {
  font-size: 2rem;
}

.material-content .prose h2 {
  font-size: 1.75rem;
}

.material-content .prose h3 {
  font-size: 1.5rem;
}

.material-content .prose p {
  margin-bottom: 1rem;
}

.material-content .prose img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  margin: 1.5rem 0;
}

.material-content .prose a {
  color: var(--primary-color);
  text-decoration: underline;
}

.material-content .prose ul,
.material-content .prose ol {
  margin-bottom: 1rem;
  padding-left: 2rem;
}

.material-content .prose blockquote {
  border-left: 4px solid var(--primary-color);
  padding-left: 1rem;
  margin: 1.5rem 0;
  font-style: italic;
  color: var(--text-muted);
}

.material-content .prose code {
  background-color: var(--light-bg);
  padding: 0.2rem 0.4rem;
  border-radius: 4px;
  font-size: 0.9em;
}

.material-content .prose pre {
  background-color: var(--light-bg);
  padding: 1rem;
  border-radius: var(--radius-sm);
  overflow-x: auto;
  margin: 1rem 0;
}

/* Video Ratio */
.ratio {
  position: relative;
  width: 100%;
}

.ratio::before {
  display: block;
  padding-top: var(--bs-aspect-ratio);
  content: "";
}

.ratio > * {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.ratio-16x9 {
  --bs-aspect-ratio: 56.25%;
}

/* List Group */
.list-group-item {
  border: none;
  border-bottom: 1px solid var(--border-color);
  padding: 1rem;
  transition: var(--transition);
}

.list-group-item:hover {
  background-color: var(--light-bg);
}

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

.list-group-flush {
  border-radius: 0;
}

.list-group-flush .list-group-item:first-child {
  border-top: none;
}

/* ========================================
   MODAL STYLES
   ======================================== */
.modal-header {
  padding: 1.25rem 1.5rem;
  background-color: var(--card-bg);
}

.modal-title {
  font-weight: 700;
  font-size: 1.1rem;
}

.modal-body {
  padding: 1.5rem;
}

.modal-footer {
  padding: 1rem 1.5rem;
  background-color: var(--light-bg);
}

/* Code styling */
code {
  background-color: var(--light-bg);
  color: var(--primary-color);
  padding: 0.2rem 0.4rem;
  border-radius: 4px;
  font-size: 0.875em;
  font-family: 'Courier New', monospace;
}

/* Display 6 */
.display-6 {
  font-size: 2rem;
  font-weight: 300;
  line-height: 1.2;
}

@media (max-width: 768px) {
  .display-6 {
    font-size: 1.75rem;
  }
}
.display-5 {
  font-size: 2.5rem;
  font-weight: 300;
  line-height: 1.2;
}

@media (max-width: 768px) {
  .display-5 {
    font-size: 2rem;
  }
}
.badge-sm {
  font-size: 0.7rem;
  padding: 0.2rem 0.4rem;
}
.avatar-circle {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  color: white;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 13px;
  flex-shrink: 0;
}

.small-xx {
  font-size: 0.75rem;
  line-height: 1.2;
}

/* ========================================
   DROPDOWN MENU
   ======================================== */
.dropdown-menu {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: 0.5rem;
  min-width: 220px;
}

.dropdown-item {
  border-radius: var(--radius-sm);
  padding: 0.6rem 1rem;
  font-size: 0.9rem;
  transition: var(--transition);
  color: var(--text-primary);
}

.dropdown-item:hover {
  background-color: var(--light-bg);
  color: var(--primary-color);
  transform: translateX(4px);
}

.dropdown-item i {
  opacity: 0.7;
}

.dropdown-divider {
  margin: 0.5rem 0;
  opacity: 0.5;
}

/* ========================================
   ADMIN SHELL (Layout)
   ======================================== */
.admin-shell {
  display: flex;
  min-height: calc(100vh - 70px);
  position: relative;
}

/* ========================================
   ADMIN SIDEBAR MENU - UPDATED
   ======================================== */

.bg-sidebar {
  width: 260px;
  background-color: var(--card-bg);
  border-right: 1px solid var(--border-color);
  position: fixed; /* Ubah dari sticky ke fixed */
  top: 70px; /* Sesuaikan dengan tinggi topbar */
  left: 0; /* Nempel ke kiri */
  bottom: 0; /* Stretch sampai bawah */
  height: calc(100vh - 70px); /* Full height minus topbar */
  overflow-y: auto;
  overflow-x: hidden;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  z-index: 100;
}

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

.bg-sidebar::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 10px;
}

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

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

/* Logo Section di Sidebar */
.bg-sidebar > .px-3.py-3.border-bottom {
  background-color: var(--light-bg);
}

.bg-sidebar > .px-3.py-3.border-bottom a {
  transition: var(--transition);
}

.bg-sidebar > .px-3.py-3.border-bottom a:hover {
  transform: translateX(2px);
}

/* Navigation Container */
.bg-sidebar .nav {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  flex-grow: 1;
}

/* Menu Section Title */
.bg-sidebar .small.text-uppercase {
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 1px;
  color: var(--text-muted);
  padding: 0 0.5rem;
}

.bg-sidebar .small.text-uppercase i {
  opacity: 0.7;
  font-size: 0.75rem;
}

/* Nav Links */
.bg-sidebar .nav-link {
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-weight: 600;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  transition: var(--transition);
  position: relative;
  text-decoration: none;
}

.bg-sidebar .nav-link i {
  font-size: 1.1rem;
  opacity: 0.8;
  transition: var(--transition);
  width: 20px;
  text-align: center;
}

.bg-sidebar .nav-link:hover {
  background-color: var(--light-bg);
  color: var(--primary-color);
  transform: translateX(4px);
}

.bg-sidebar .nav-link.active {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
  color: white;
  box-shadow: var(--shadow-md);
}

.bg-sidebar .nav-link.active i {
  opacity: 1;
}

/* Collapsible Button Toggle */
.btn-toggle {
  width: 100%;
  padding: 0.75rem 1rem;
  border: none;
  border-radius: var(--radius-sm);
  background-color: transparent;
  color: var(--text-primary);
  font-weight: 600;
  font-size: 0.9rem;
  text-align: left;
  display: flex;
  align-items: center;
  transition: var(--transition);
  cursor: pointer;
}

.btn-toggle i:not(.bi-caret-down-fill) {
  font-size: 1.1rem;
  opacity: 0.8;
  transition: var(--transition);
  width: 20px;
  text-align: center;
}

.btn-toggle:hover {
  background-color: var(--light-bg);
  color: var(--primary-color);
  transform: translateX(4px);
}

.btn-toggle i.bi-caret-down-fill {
  font-size: 0.75rem;
  transition: transform 0.3s ease;
  margin-left: auto;
}

.btn-toggle[aria-expanded="true"] i.bi-caret-down-fill {
  transform: rotate(180deg);
}

.btn-toggle:not(.collapsed) {
  background-color: var(--light-bg);
  color: var(--primary-color);
}

/* Submenu / Nested Nav */
.btn-toggle-nav {
  padding-left: 0;
  margin-left: 0;
}

.btn-toggle-nav .nav-link {
  font-size: 0.85rem;
  font-weight: 500;
  padding: 0.6rem 1rem;
}

.btn-toggle-nav .nav-link.ps-4 {
  padding-left: 2.5rem !important;
}

.btn-toggle-nav .nav-link:hover {
  transform: translateX(2px);
}

.btn-toggle-nav .nav-link.active {
  background: linear-gradient(135deg, rgba(79, 70, 229, 0.1), rgba(67, 56, 202, 0.1));
  color: var(--primary-color);
  box-shadow: none;
  border-left: 3px solid var(--primary-color);
}

/* Sub-section headers dalam dropdown */
.btn-toggle-nav .small.text-muted.text-uppercase {
  font-size: 0.65rem;
  letter-spacing: 0.5px;
  font-weight: 700;
  opacity: 0.7;
  padding: 0.5rem 1rem;
  margin: 0.25rem 0;
}

/* User Info at Bottom */
.bg-sidebar > .mt-auto {
  background-color: var(--light-bg);
  margin-top: auto !important;
}

.bg-sidebar > .mt-auto .avatar-circle {
  flex-shrink: 0;
}

.bg-sidebar > .mt-auto .btn-outline-secondary {
  padding: 0.35rem 0.5rem;
  font-size: 0.85rem;
}

.bg-sidebar > .mt-auto .btn-outline-secondary:hover {
  transform: scale(1.05);
}

/* ========================================
   OFFCANVAS (Mobile Sidebar)
   ======================================== */
.admin-offcanvas {
  width: 280px;
  background-color: var(--card-bg);
}

.admin-offcanvas .offcanvas-title {
  font-weight: 800;
  color: var(--primary-color);
}

.admin-offcanvas .offcanvas-body {
  display: flex;
  flex-direction: column;
}

/* User info in mobile offcanvas */
.admin-offcanvas .offcanvas-body > .p-3.border-bottom {
  flex-shrink: 0;
}

.admin-offcanvas .offcanvas-body > .p-3.border-bottom .avatar-badge {
  flex-shrink: 0;
}

/* Navigation in offcanvas */
.admin-offcanvas .nav {
  flex-grow: 1;
  overflow-y: auto;
}

/* Logout section in mobile */
.admin-offcanvas .offcanvas-body > .p-3.border-top {
  margin-top: auto;
  flex-shrink: 0;
}

/* ========================================
   TOPBAR ENHANCEMENTS
   ======================================== */
.admin-topbar .navbar-brand i {
  transition: var(--transition);
}

.admin-topbar .navbar-brand:hover i {
  transform: rotate(-5deg) scale(1.1);
}

.admin-topbar .btn-link:hover {
  transform: translateY(-2px);
}

.admin-topbar .dropdown-toggle::after {
  display: none;
}

.admin-topbar .dropdown-menu {
  min-width: 220px;
  margin-top: 0.5rem;
}

.admin-topbar .dropdown-item {
  padding: 0.6rem 1rem;
  transition: var(--transition);
}

.admin-topbar .dropdown-item:hover {
  background-color: var(--light-bg);
  color: var(--primary-color);
  transform: translateX(4px);
}

.admin-topbar .dropdown-item i {
  opacity: 0.7;
  transition: var(--transition);
}

.admin-topbar .dropdown-item:hover i {
  opacity: 1;
}

/* ========================================
   RESPONSIVE
   ======================================== */
@media (max-width: 991.98px) {
  .bg-sidebar {
    display: none;
  }
}

@media (min-width: 992px) {
  .admin-offcanvas {
    display: none !important;
  }
}

/* ========================================
   MAIN CONTENT AREA
   ======================================== */
.admin-main {
  margin-left: 100px; /* Sesuaikan dengan width sidebar */
  flex-grow: 1;
  width: calc(100% - 260px);
  padding: 2rem 1.5rem;
  max-width: 100%;
}

@media (min-width: 992px) {
  .admin-main {
    padding: 2.5rem 3rem;
  }
}

.admin-main h4 {
  font-weight: 800;
  color: var(--text-primary);
  font-size: 1.75rem;
  letter-spacing: -0.02em;
}

/* ========================================
   CARDS
   ======================================== */
.card {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  background-color: var(--card-bg);
  overflow: visible;
}

.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.card-body {
  padding: 1.5rem;
  overflow: visible;
}

.card-title {
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-primary);
}

.card-title i {
  color: var(--primary-color);
  font-size: 1.3rem;
}

.card p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 1rem;
  line-height: 1.5;
}

/* ========================================
   STAT CARDS
   ======================================== */
.stat-card {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(180deg, var(--primary-color), var(--primary-hover));
  opacity: 0;
  transition: var(--transition);
}

.stat-card:hover::before {
  opacity: 1;
}

.stat-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: var(--primary-color);
}

.stat-card .card-body {
  padding: 1.5rem;
}

.stat-card .small {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.stat-card .display-6 {
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1;
}

/* ========================================
   BUTTONS
   ======================================== */
.btn {
  font-weight: 600;
  border-radius: var(--radius-sm);
  padding: 0.6rem 1.25rem;
  transition: var(--transition);
  border: none;
  font-size: 0.9rem;
  line-height: 1.5;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  white-space: nowrap;
  min-height: 38px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
  color: white;
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-hover), #3730a3);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-success {
  background: var(--success-color);
  color: white;
}

.btn-success:hover {
  background: #059669;
  transform: translateY(-2px);
}

.btn-warning {
  background: var(--warning-color);
  color: white;
}

.btn-warning:hover {
  background: #d97706;
  transform: translateY(-2px);
}

.btn-danger {
  background: var(--danger-color);
  color: white;
}

.btn-danger:hover {
  background: #dc2626;
  transform: translateY(-2px);
}

.btn-sm {
  padding: 0.4rem 1rem;
  font-size: 0.85rem;
}

.btn-outline-secondary {
  border: 1px solid var(--border-color);
  color: var(--text-primary);
}

.btn-outline-secondary:hover {
  background-color: var(--light-bg);
  border-color: var(--primary-color);
  color: var(--primary-color);
}

/* ========================================
   FOOTER
   ======================================== */
footer {
  background-color: var(--card-bg);
  border-top: 1px solid var(--border-color);
  margin-top: 3rem;
}

footer .text-muted {
  color: var(--text-muted) !important;
}

/* ========================================
   FORMS & INPUTS
   ======================================== */
.form-label {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  display: block;
}

.form-control,
.form-select {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.6rem 1rem;
  font-size: 0.9rem;
  transition: var(--transition);
  background-color: var(--card-bg);
  height: auto;
  line-height: 1.5;
}

.form-control:focus,
.form-select:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
  outline: none;
}

.form-control::placeholder {
  color: var(--text-muted);
  opacity: 0.7;
}

.form-select {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%23343a40' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M2 5l6 6 6-6'/%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  background-size: 16px 12px;
  padding-right: 2.5rem;
}

textarea.form-control {
  resize: vertical;
  min-height: 100px;
}

/* Form text / helper text */
.form-text {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.form-text i {
  font-size: 0.85rem;
}

/* Required indicator */
.text-danger {
  color: var(--danger-color) !important;
}

/* Align form elements in row */
.row.align-items-end .form-label {
  margin-bottom: 0.5rem;
}

.row.align-items-end .col-12 {
  display: flex;
  flex-direction: column;
}

.row.align-items-end .btn {
  height: fit-content;
  align-self: flex-end;
}

/* Form spacing */
.row.g-4 > * {
  padding-top: 1rem;
  padding-bottom: 1rem;
}

/* Invalid/Valid states */
.form-control.is-invalid,
.form-select.is-invalid {
  border-color: var(--danger-color);
}

.form-control.is-invalid:focus,
.form-select.is-invalid:focus {
  border-color: var(--danger-color);
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.form-control.is-valid,
.form-select.is-valid {
  border-color: var(--success-color);
}

.form-control.is-valid:focus,
.form-select.is-valid:focus {
  border-color: var(--success-color);
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

/* ========================================
   ALERTS
   ======================================== */
.alert {
  border-radius: var(--radius-md);
  border: none;
  padding: 1rem 1.25rem;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.alert i {
  font-size: 1.1rem;
}

.alert-success {
  background: linear-gradient(135deg, #d1fae5 0%, #a7f3d0 100%);
  color: #065f46;
  border-left: 4px solid var(--success-color);
}

.alert-warning {
  background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
  color: #92400e;
  border-left: 4px solid var(--warning-color);
}

.alert-danger {
  background: linear-gradient(135deg, #fee2e2 0%, #fecaca 100%);
  color: #991b1b;
  border-left: 4px solid var(--danger-color);
}

.alert-info {
  background: linear-gradient(135deg, #dbeafe 0%, #bfdbfe 100%);
  color: #1e40af;
  border-left: 4px solid #3b82f6;
}

.alert.small {
  font-size: 0.85rem;
  padding: 0.85rem 1rem;
}

.alert-dismissible .btn-close {
  padding: 0.75rem;
  opacity: 0.5;
}

.alert-dismissible .btn-close:hover {
  opacity: 1;
}

/* ========================================
   CARD HEADER
   ======================================== */
.card-header {
  padding: 1rem 1.5rem;
  background-color: var(--card-bg);
  border-bottom: 1px solid var(--border-color);
}

.card-header h6 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
}

.card-header .badge {
  font-size: 0.75rem;
  padding: 0.35rem 0.75rem;
  font-weight: 600;
}

/* ========================================
   BADGES
   ======================================== */
.badge {
  font-weight: 600;
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

.badge i {
  font-size: 0.85rem;
}

.badge.bg-primary {
  background-color: var(--primary-color) !important;
}

.badge.bg-secondary {
  background-color: var(--secondary-color) !important;
}

.badge.bg-success {
  background-color: var(--success-color) !important;
}

.badge.bg-info {
  background-color: #0ea5e9 !important;
}

.badge.bg-warning {
  background-color: var(--warning-color) !important;
}

.badge.bg-danger {
  background-color: var(--danger-color) !important;
}

.badge.bg-purple {
  background-color: #8b5cf6 !important;
  color: white !important;
}

.badge.rounded-pill {
  border-radius: 50rem;
}

/* ========================================
   EMPTY STATE
   ======================================== */
.empty-state {
  padding: 2rem 1rem;
}

.empty-state i.fs-1 {
  font-size: 3.5rem;
  opacity: 0.3;
}

.empty-state p {
  font-size: 1rem;
  margin: 0;
}

/* ========================================
   BUTTON VARIANTS
   ======================================== */
.btn-outline-info {
  border: 1px solid #0ea5e9;
  color: #0ea5e9;
  background-color: transparent;
}

.btn-outline-info:hover {
  background-color: #0ea5e9;
  color: white;
  transform: translateY(-1px);
}

.btn-outline-primary {
  border: 1px solid var(--primary-color);
  color: var(--primary-color);
  background-color: transparent;
}

.btn-outline-primary:hover {
  background-color: var(--primary-color);
  color: white;
  transform: translateY(-1px);
}

.btn-outline-danger {
  border: 1px solid var(--danger-color);
  color: var(--danger-color);
  background-color: transparent;
}

.btn-outline-danger:hover {
  background-color: var(--danger-color);
  color: white;
  transform: translateY(-1px);
}

/* ========================================
   TABLES
   ======================================== */
.table-responsive {
  border-radius: var(--radius-md);
  overflow: visible;
}

.table {
  margin-bottom: 0;
  font-size: 0.9rem;
  position: relative;
  z-index: 1;
}

.table thead {
  background-color: var(--light-bg);
  border-bottom: 2px solid var(--border-color);
  position: relative;
  z-index: 2;
}

.table thead th {
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-primary);
  padding: 1rem;
  border: none;
}

.table tbody {
  position: relative;
  z-index: 1;
}

.table tbody tr {
  border-bottom: 1px solid var(--border-color);
  transition: var(--transition);
  position: relative;
  z-index: 1;
}

.table tbody tr:hover {
  background-color: var(--light-bg);
  z-index: 2;
}

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

.table tbody td {
  padding: 1rem;
  vertical-align: middle;
  color: var(--text-primary);
  position: relative;
}

.table tbody td.fw-medium {
  font-weight: 600;
  color: var(--text-primary);
}

.table tbody td.text-muted {
  font-size: 0.85rem;
}

/* Dropdown dalam table - CRITICAL Z-INDEX */
.table tbody tr:has(.dropdown.show) {
  z-index: 1000 !important;
}

.table .dropdown {
  position: relative;
  z-index: 100;
}

.table .dropdown.show {
  z-index: 1000 !important;
}

.table .dropdown-menu {
  z-index: 1050 !important;
  position: absolute !important;
}

/* Empty state */
.table tbody td[colspan] {
  background-color: transparent !important;
}

.table tbody td[colspan] i.fs-2 {
  font-size: 3rem;
  opacity: 0.3;
}

/* ========================================
   BUTTON GROUPS
   ======================================== */
.btn-group {
  display: inline-flex;
  gap: 0.25rem;
  flex-wrap: wrap;
}

.btn-group .btn {
  border-radius: var(--radius-sm) !important;
  margin: 0;
}

.btn-group-sm .btn {
  padding: 0.4rem 0.75rem;
  font-size: 0.8rem;
}

/* Action buttons in table */
.table td .d-flex.gap-1 {
  gap: 0.25rem;
}

/* Desktop: Show dropdown */
@media (min-width: 768px) {
  .dropdown.d-none.d-md-inline-block {
    display: inline-block !important;
  }
  
  /* Hide mobile buttons on desktop */
  .table .btn.d-md-none,
  .table a.d-md-none,
  .table button.d-md-none {
    display: none !important;
  }
}

/* Mobile: Hide dropdown, show buttons */
@media (max-width: 767.98px) {
  .table .dropdown.d-none.d-md-inline-block {
    display: none !important;
  }
  
  .table .btn.d-md-none,
  .table a.d-md-none,
  .table button.d-md-none {
    display: inline-flex !important;
  }
}

/* ========================================
   CARD VARIATIONS
   ======================================== */
.card-footer {
  background-color: var(--light-bg);
  border-top: 1px solid var(--border-color);
  padding: 1rem 1.5rem;
}

.card.shadow-sm {
  box-shadow: var(--shadow-sm);
}

/* Search/Filter Card */
.card.mb-3 {
  margin-bottom: 1.5rem;
}

.card.mb-4 {
  margin-bottom: 1.5rem;
}

/* Danger Zone Card */
.card.border-danger {
  border-color: var(--danger-color) !important;
  border-width: 1px;
}

.card.border-danger .card-header {
  background-color: rgba(239, 68, 68, 0.1);
  border-bottom-color: var(--danger-color);
}

.card.border-danger .card-body {
  background-color: rgba(239, 68, 68, 0.02);
}

/* ========================================
   PAGE HEADER
   ======================================== */
.admin-main h4 {
  font-weight: 800;
  color: var(--text-primary);
  font-size: 1.75rem;
  letter-spacing: -0.02em;
}

.admin-main .d-flex.align-items-center.justify-content-between {
  margin-bottom: 1.5rem;
}

/* ========================================
   UTILITIES
   ======================================== */
.shadow-xs {
  box-shadow: var(--shadow-sm) !important;
}

.text-muted {
  color: var(--text-muted) !important;
}

/* Spacing */
.mb-4 {
  margin-bottom: 1.5rem !important;
}

/* Light button */
.btn-light {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
}

.btn-light:hover {
  background-color: var(--light-bg);
  border-color: var(--secondary-color);
}

/* ========================================
   QUIZ QUESTION FORM STYLES
   ======================================== */

/* Form Help Text */
.form-help {
  color: var(--primary-color);
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.25rem;
  margin-top: 0.5rem;
  line-height: 1.5;
}

.form-help code {
  background-color: var(--light-bg);
  color: var(--primary-color);
  padding: 0.2rem 0.4rem;
  border-radius: 4px;
  font-size: 0.85em;
  font-family: 'Courier New', monospace;
}

/* LaTeX Toolbar */
.tex-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
  align-items: center;
}

.tex-toolbar .btn {
  font-size: 0.8rem;
  padding: 0.35rem 0.6rem;
  font-family: 'Courier New', monospace;
  min-height: auto;
  white-space: nowrap;
  border: 1px solid var(--border-color);
  background-color: var(--card-bg);
  color: var(--text-primary);
  transition: var(--transition);
}

.tex-toolbar .btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
  background-color: var(--light-bg);
  border-color: var(--primary-color);
  color: var(--primary-color);
}

.tex-toolbar .btn:active {
  transform: translateY(0);
}

/* Prompt Textarea */
#prompt {
  min-height: 120px;
  font-family: 'Nunito', sans-serif;
  line-height: 1.6;
  resize: vertical;
}

#prompt:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
  background-color: #fefefe;
}

/* Options Row Container */
.opts-row {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  margin-bottom: 0.75rem;
}

/* Option Input */
.opt-input {
  flex: 1;
  font-size: 0.9rem;
}

.opt-input:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

/* FX Button for wrapping LaTeX */
.opt-fx {
  min-width: 2.5rem;
  font-family: 'Courier New', monospace;
  font-style: italic;
  padding: 0.4rem 0.6rem;
  font-size: 0.85rem;
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  color: var(--primary-color);
  transition: var(--transition);
}

.opt-fx:hover {
  background-color: var(--primary-color);
  color: white;
  border-color: var(--primary-color);
  transform: scale(1.05);
}

/* Radio Buttons in Options */
.opts-row .form-check {
  padding: 0;
  margin: 0;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.opts-row .form-check-input {
  cursor: pointer;
  margin-top: 0;
  width: 1.25rem;
  height: 1.25rem;
  border: 2px solid var(--border-color);
  transition: var(--transition);
}

.opts-row .form-check-input:hover {
  border-color: var(--success-color);
}

.opts-row .form-check-input:checked {
  background-color: var(--success-color);
  border-color: var(--success-color);
}

.opts-row .form-check-label {
  cursor: pointer;
  user-select: none;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  margin: 0;
  transition: var(--transition);
}

.opts-row .form-check-input:checked + .form-check-label {
  color: var(--success-color);
}

/* Field Type Sections */
#field-mcq,
#field-numeric,
#field-open {
  padding: 1.5rem;
  background-color: var(--light-bg);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  transition: var(--transition);
}

#field-mcq:hover,
#field-numeric:hover,
#field-open:hover {
  border-color: var(--primary-color);
  background-color: rgba(248, 250, 252, 0.8);
}

/* MathJax Container Styling */
mjx-container {
  font-size: 100%;
  line-height: 1.25;
  display: inline-block;
  margin: 0.25rem 0;
}

mjx-container[display="true"] {
  display: block;
  margin: 1rem 0;
  text-align: center;
}

/* Warning Box with Animation */
#warnBox {
  animation: slideDown 0.3s ease;
  display: flex;
  align-items: start;
  gap: 0.75rem;
}

#warnBox i {
  flex-shrink: 0;
  font-size: 1.1rem;
  margin-top: 0.1rem;
}

#warnContent {
  flex: 1;
  line-height: 1.6;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
    max-height: 0;
  }
  to {
    opacity: 1;
    transform: translateY(0);
    max-height: 500px;
  }
}

/* Action Buttons for Options */
#field-mcq .d-flex.gap-2 {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-color);
}

#btnAddOpt,
#btnCleanEmpty {
  font-size: 0.85rem;
  padding: 0.5rem 1rem;
}

#btnAddOpt:hover {
  background-color: var(--primary-color);
  color: white;
  transform: translateY(-1px);
}

#btnCleanEmpty:hover {
  background-color: var(--secondary-color);
  color: white;
  transform: translateY(-1px);
}

/* Form Validation States */
.was-validated .form-control:invalid,
.was-validated .form-select:invalid {
  border-color: var(--danger-color);
  padding-right: calc(1.5em + 0.75rem);
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12' width='12' height='12' fill='none' stroke='%23dc3545'%3e%3ccircle cx='6' cy='6' r='4.5'/%3e%3cpath stroke-linejoin='round' d='M5.8 3.6h.4L6 6.5z'/%3e%3ccircle cx='6' cy='8.2' r='.6' fill='%23dc3545' stroke='none'/%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right calc(0.375em + 0.1875rem) center;
  background-size: calc(0.75em + 0.375rem) calc(0.75em + 0.375rem);
}

.was-validated .form-control:valid,
.was-validated .form-select:valid {
  border-color: var(--success-color);
}

.invalid-feedback {
  display: none;
  font-size: 0.85rem;
  color: var(--danger-color);
  margin-top: 0.25rem;
}

.was-validated .form-control:invalid ~ .invalid-feedback,
.was-validated .form-select:invalid ~ .invalid-feedback {
  display: block;
}

/* ========================================
   RESPONSIVE
   ======================================== */
@media (max-width: 768px) {
  .admin-main h4 {
    font-size: 1.5rem;
  }
  
  .stat-card .display-6 {
    font-size: 1.75rem;
  }
  
  .card-body {
    padding: 1.25rem;
  }
  
  .table .btn-sm {
    padding: 0.35rem 0.6rem;
    font-size: 0.75rem;
  }
  
  /* Quiz Form Responsive */
  .tex-toolbar {
    justify-content: flex-start;
  }
  
  .tex-toolbar .btn {
    font-size: 0.7rem;
    padding: 0.3rem 0.5rem;
  }
  
  #field-mcq,
  #field-numeric,
  #field-open {
    padding: 1rem;
  }
  
  .opts-row {
    flex-wrap: wrap;
  }
  
  .opts-row .col {
    flex: 0 0 100%;
    max-width: 100%;
    margin-bottom: 0.5rem;
  }
  
  .opts-row .col-auto {
    flex: 0 0 auto;
  }
  
  .form-help {
    font-size: 0.8rem;
    flex-direction: column;
    align-items: flex-start;
  }
}

/* For tablets - show some buttons */
@media (min-width: 769px) and (max-width: 991px) {
  /* Keep dropdown but adjust spacing */
  .table .btn-sm {
    padding: 0.4rem 0.8rem;
    font-size: 0.8rem;
  }
}

/* Small screen - stack form elements */
@media (max-width: 576px) {
  .opts-row .form-check {
    width: 100%;
    justify-content: space-between;
    padding: 0.5rem;
    background-color: var(--card-bg);
    border-radius: var(--radius-sm);
    margin-top: 0.25rem;
  }
  
  #btnAddOpt,
  #btnCleanEmpty {
    width: 100%;
  }
  
  #field-mcq .d-flex.gap-2 {
    flex-direction: column;
  }
  
  /* Stack buttons vertically on very small screens */
  .table td .d-flex {
    flex-direction: column;
    gap: 0.5rem;
  }
  
  .table .btn-sm {
    width: 100%;
    justify-content: center;
  }
}

/* ========================================
   ANIMATIONS
   ======================================== */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.card {
  animation: fadeIn 0.5s ease-out;
}

/* Smooth scroll */
html {
  scroll-behavior: smooth;
}

/* Focus styles untuk accessibility */
a:focus,
button:focus,
.btn:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

/* ========================================
   STUDENT QUIZ CARDS
   ======================================== */

/* Quiz Card Base */
.quiz-card {
  transition: all 0.3s ease;
  border: 1px solid var(--border-color);
  position: relative;
  overflow: hidden;
}

.quiz-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-color), var(--primary-hover));
  opacity: 0;
  transition: opacity 0.3s ease;
}

.quiz-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg) !important;
  border-color: var(--primary-color);
}

.quiz-card:hover::before {
  opacity: 1;
}

/* Locked Quiz Card State */
.quiz-card-locked {
  opacity: 0.7;
}

.quiz-card-locked:hover {
  transform: none;
  box-shadow: var(--shadow-sm) !important;
  border-color: var(--border-color);
}

.quiz-card-locked::before {
  background: linear-gradient(90deg, var(--secondary-color), var(--text-muted));
}

/* Quiz Card Title */
.quiz-card .card-title {
  color: var(--text-primary);
  font-size: 1rem;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Quiz Card Badge */
.quiz-card .badge {
  font-size: 0.7rem;
  padding: 0.35rem 0.6rem;
  font-weight: 700;
  letter-spacing: 0.3px;
  white-space: nowrap;
  flex-shrink: 0;
}

/* Success Alert in Quiz Card */
.quiz-card .alert-success {
  background: linear-gradient(135deg, #d1fae5 0%, #a7f3d0 100%);
  border: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Quiz Card Button */
.quiz-card .btn {
  font-weight: 600;
  transition: all 0.3s ease;
  white-space: nowrap;
}

.quiz-card .btn:not(:disabled):hover {
  transform: translateY(-1px);
}

/* Quizizz Iframe Styling */
.ratio iframe {
  background: #f8f9fa;
}

/* Quiz Card Responsive */
@media (max-width: 576px) {
  .quiz-card .badge {
    font-size: 0.65rem;
    padding: 0.3rem 0.5rem;
  }
  
  .quiz-card .card-title {
    font-size: 0.95rem;
  }
  
  .quiz-card .btn {
    font-size: 0.85rem;
    padding: 0.5rem 1rem;
  }
}

/* ========================================
   QUIZ ATTEMPT PAGE
   ======================================== */

/* Question Card */
.question-card {
  transition: var(--transition);
  border: 1px solid var(--border-color);
}

.question-card:hover {
  border-color: var(--primary-color);
  box-shadow: var(--shadow-md);
}

/* Question Number Badge */
.question-number .badge {
  font-size: 1rem;
  font-weight: 700;
}

/* Question Prompt */
.question-prompt {
  padding: 1rem;
  background-color: var(--light-bg);
  border-radius: var(--radius-sm);
  border-left: 4px solid var(--primary-color);
}

.prompt-content {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text-primary);
}

/* Option Items (MCQ) */
.options-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.option-item {
  padding: 1rem;
  border: 2px solid var(--border-color);
  border-radius: var(--radius-sm);
  transition: var(--transition);
  cursor: pointer;
}

.option-item:hover {
  border-color: var(--primary-color);
  background-color: var(--light-bg);
}

.option-item .form-check-input {
  width: 1.25rem;
  height: 1.25rem;
  margin-top: 0.1rem;
  cursor: pointer;
}

.option-item .form-check-input:checked {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
}

.option-item:has(.form-check-input:checked) {
  border-color: var(--primary-color);
  background-color: rgba(79, 70, 229, 0.05);
}

.option-item .form-check-label {
  display: flex;
  align-items: start;
  gap: 0.75rem;
  cursor: pointer;
  margin-left: 0.5rem;
}

.option-letter {
  font-weight: 700;
  color: var(--primary-color);
  flex-shrink: 0;
  min-width: 24px;
}

.option-text {
  flex: 1;
  line-height: 1.5;
}

/* Numeric Answer */
.numeric-answer input.form-control {
  max-width: 300px;
  font-size: 1.1rem;
  font-weight: 600;
}

/* Essay Answer */
.essay-answer textarea.form-control {
  font-family: 'Nunito', sans-serif;
  line-height: 1.7;
  resize: vertical;
}

/* Timer */
#timer {
  font-family: 'Courier New', monospace;
  transition: color 0.3s ease;
}

#timer.text-warning {
  animation: pulse-warning 2s infinite;
}

#timer.text-danger {
  animation: pulse-danger 1s infinite;
}

@keyframes pulse-warning {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

@keyframes pulse-danger {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.8; transform: scale(1.05); }
}

/* Progress Bar */
.progress {
  background-color: var(--light-bg);
  border-radius: 10px;
  overflow: hidden;
}

.progress-bar {
  transition: width 0.5s ease;
}

/* Sticky Bottom Submit */
.sticky-bottom {
  position: sticky;
  bottom: 0;
  z-index: 100;
  margin-top: 2rem;
}

/* Quiz Attempt Responsive */
@media (max-width: 768px) {
  .question-prompt {
    padding: 0.75rem;
  }
  
  .option-item {
    padding: 0.75rem;
  }
  
  .option-letter {
    min-width: 20px;
    font-size: 0.9rem;
  }
  
  .numeric-answer input.form-control {
    max-width: 100%;
  }
  
  #timer {
    font-size: 2rem !important;
  }
}

@media (max-width: 576px) {
  .question-number .badge {
    width: 28px !important;
    height: 28px !important;
    font-size: 0.9rem;
  }
  
  .prompt-content {
    font-size: 0.95rem;
  }
  
  .option-item {
    padding: 0.65rem;
  }
  
  .option-item .form-check-label {
    flex-direction: column;
    gap: 0.5rem;
  }
}

/* ========================================
   QUIZ RESULT/REVIEW PAGE
   ======================================== */

/* Result Header */
.result-header {
  padding: 1.5rem;
  background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  margin-bottom: 1.5rem;
}

.result-score {
  font-size: 2.5rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Score Badge */
.score-badge {
  padding: 0.5rem 1rem;
  border-radius: 50rem;
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.5px;
}

/* Summary Stats Cards */
.stat-summary-card {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.stat-summary-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  opacity: 0;
  transition: opacity 0.3s ease;
}

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

.stat-summary-card:hover::before {
  opacity: 1;
}

.stat-summary-card.stat-correct::before {
  background: var(--success-color);
}

.stat-summary-card.stat-wrong::before {
  background: var(--danger-color);
}

.stat-summary-card.stat-empty::before {
  background: var(--secondary-color);
}

.stat-summary-card.stat-total::before {
  background: var(--primary-color);
}

/* Question Item */
.qItem {
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  transition: var(--transition);
  list-style-position: inside;
}

.qItem::marker {
  font-weight: 700;
  color: var(--primary-color);
  font-size: 1.1rem;
}

.qItem:hover {
  border-color: var(--primary-color);
  box-shadow: var(--shadow-sm);
}

/* Question Text */
.qItem .fw-semibold {
  font-size: 1.05rem;
  line-height: 1.6;
  color: var(--text-primary);
  margin-left: -1.5rem;
  padding-left: 1.5rem;
}

/* Status Badges in Questions */
.qItem .badge {
  font-size: 0.75rem;
  padding: 0.35rem 0.7rem;
  font-weight: 600;
}

/* Option List Group Items */
.qItem .list-group {
  margin-left: 0;
  margin-top: 0.75rem;
}

.qItem .list-group-item {
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  line-height: 1.5;
  transition: var(--transition);
}

.qItem .list-group-item b {
  color: var(--primary-color);
  font-size: 1rem;
  margin-right: 0.5rem;
}

.qItem .list-group-item-success {
  background-color: rgba(16, 185, 129, 0.1);
  border-color: var(--success-color);
  color: var(--text-primary);
}

.qItem .list-group-item-danger {
  background-color: rgba(239, 68, 68, 0.1);
  border-color: var(--danger-color);
  color: var(--text-primary);
}

/* Explanation Details */
.qItem details {
  margin-top: 1rem;
  padding: 1rem;
  background-color: var(--light-bg);
  border-radius: var(--radius-sm);
  border-left: 4px solid var(--primary-color);
}

.qItem details summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--primary-color);
  user-select: none;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.qItem details summary::-webkit-details-marker {
  display: none;
}

.qItem details summary::before {
  content: '▶';
  font-size: 0.8rem;
  transition: transform 0.3s ease;
}

.qItem details[open] summary::before {
  transform: rotate(90deg);
}

.qItem details > div {
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border-color);
  line-height: 1.7;
  color: var(--text-primary);
}

/* Toolbar Buttons */
.result-toolbar {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.result-toolbar .btn {
  white-space: nowrap;
}

/* Print Styles */
@media print {
  .result-toolbar,
  .no-print {
    display: none !important;
  }
  
  .qItem {
    page-break-inside: avoid;
    border: 1px solid #ddd;
    margin-bottom: 1rem;
  }
  
  .stat-summary-card {
    box-shadow: none !important;
    border: 1px solid #ddd;
  }
}

/* Result Page Responsive */
@media (max-width: 768px) {
  .result-score {
    font-size: 2rem;
  }
  
  .result-header {
    padding: 1rem;
  }
  
  .result-toolbar {
    width: 100%;
  }
  
  .result-toolbar .btn {
    flex: 1;
    min-width: 0;
    font-size: 0.85rem;
  }
  
  .qItem {
    padding: 1rem;
  }
  
  .qItem .fw-semibold {
    font-size: 0.95rem;
    margin-left: -1rem;
    padding-left: 1rem;
  }
}

@media (max-width: 576px) {
  .stat-summary-card .display-6 {
    font-size: 1.75rem;
  }
  
  .qItem .list-group-item {
    padding: 0.65rem 0.85rem;
    font-size: 0.9rem;
  }
  
  .qItem details {
    padding: 0.75rem;
  }
}

/* ========================================
   ADMIN DASHBOARD KPI
   ======================================== */

/* KPI Quick Cards */
.kpi-quick-card {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
}

.kpi-quick-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--primary-color);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.kpi-quick-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-color);
}

.kpi-quick-card:hover::before {
  opacity: 1;
}

.kpi-quick-card .card-body {
  padding: 1.5rem 1.25rem;
}

.kpi-quick-card .stat-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 600;
}

.kpi-quick-card .stat-label i {
  font-size: 1.25rem;
}

.kpi-quick-card .stat-value {
  font-size: 2rem;
  font-weight: 800;
  line-height: 1;
  color: var(--text-primary);
  margin-top: 0.5rem;
}

/* KPI Metric Cards (Pre/Post/Delta) */
.kpi-metric-card {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  transition: var(--transition);
  background: var(--card-bg);
}

.kpi-metric-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--primary-color);
}

.kpi-metric-card .metric-value {
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1;
  margin: 0.75rem 0;
}

.kpi-metric-card .badge {
  font-size: 0.75rem;
  padding: 0.35rem 0.7rem;
  font-weight: 700;
}

/* Progress Bar in KPI */
.kpi-metric-card .progress {
  height: 12px;
  background-color: var(--light-bg);
  border-radius: 10px;
  overflow: hidden;
  margin-top: 0.75rem;
}

.kpi-metric-card .progress-bar {
  background: linear-gradient(90deg, var(--primary-color), var(--primary-hover));
  font-size: 0.7rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: width 0.6s ease;
}

/* People Highlight Cards */
.kpi-highlight-card {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, #fefefe 0%, var(--light-bg) 100%);
  transition: var(--transition);
}

.kpi-highlight-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.kpi-highlight-card .highlight-name {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0.5rem 0 0.25rem;
}

.kpi-highlight-card .highlight-score {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* Chart Cards */
.kpi-chart-card {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background: var(--card-bg);
}

.kpi-chart-card .card-header {
  background-color: var(--light-bg);
  border-bottom: 1px solid var(--border-color);
  padding: 1rem 1.25rem;
}

.kpi-chart-card .chart-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Filter Form */
.kpi-filter-form {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  margin-bottom: 1.5rem;
}

.kpi-filter-form .form-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.kpi-filter-form .form-control-sm {
  border-radius: var(--radius-sm);
}

/* Export Buttons */
.export-btn-group {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.export-btn {
  font-size: 0.85rem;
  padding: 0.5rem 1rem;
  white-space: nowrap;
  transition: var(--transition);
}

.export-btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

/* Student List Section */
.kpi-student-list {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background: var(--card-bg);
}

.kpi-student-list .student-btn {
  font-size: 0.85rem;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.kpi-student-list .student-btn:hover {
  transform: translateX(2px);
  box-shadow: var(--shadow-sm);
}

/* Dashboard Header */
.dashboard-header {
  margin-bottom: 1.5rem;
}

.dashboard-header h4 {
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.dashboard-header .subtitle {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* KPI Dashboard Responsive */
@media (max-width: 768px) {
  .kpi-quick-card .stat-value {
    font-size: 1.75rem;
  }
  
  .kpi-metric-card .metric-value {
    font-size: 1.85rem;
  }
  
  .kpi-filter-form {
    padding: 1rem;
  }
  
  .export-btn-group {
    width: 100%;
  }
  
  .export-btn {
    flex: 1;
    min-width: 0;
    font-size: 0.8rem;
    padding: 0.45rem 0.75rem;
  }
  
  .kpi-student-list .student-btn {
    font-size: 0.8rem;
    padding: 0.45rem 0.85rem;
  }
}

@media (max-width: 576px) {
  .kpi-quick-card .card-body {
    padding: 1rem 0.85rem;
  }
  
  .kpi-quick-card .stat-value {
    font-size: 1.5rem;
  }
  
  .kpi-metric-card .metric-value {
    font-size: 1.6rem;
  }
  
  .kpi-filter-form .col-sm-3,
  .kpi-filter-form .col-sm-6 {
    width: 100%;
  }
  
  .export-btn-group {
    flex-direction: column;
  }
  
  .export-btn {
    width: 100%;
  }
}

/* ========================================
   LANDING PAGE STYLES (WHITE BACKGROUND)
   ======================================== */
.landing-page {
  background: var(--card-bg);
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

/* Subtle pattern background */
.landing-page::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    radial-gradient(circle at 20% 50%, rgba(79, 70, 229, 0.03) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(139, 92, 246, 0.03) 0%, transparent 50%);
  pointer-events: none;
}

.hero-section {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 3rem 0;
}

.hero-content {
  animation: fadeInUp 1s ease-out;
}

.hero-title {
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
  background: linear-gradient(135deg, var(--primary-color), #8b5cf6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.15rem);
  font-weight: 400;
  line-height: 1.7;
  margin-bottom: 2.5rem;
  color: var(--text-muted);
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
}

.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 2.5rem;
  font-size: 1.05rem;
  font-weight: 700;
  border-radius: 50px;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
  border: none;
  color: white;
  text-decoration: none;
  box-shadow: 0 8px 24px rgba(79, 70, 229, 0.25);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.hero-cta::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s;
}

.hero-cta:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(79, 70, 229, 0.35);
  color: white;
  background: linear-gradient(135deg, var(--primary-hover), #3730a3);
}

.hero-cta:hover::before {
  left: 100%;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.75rem;
  margin-top: 4rem;
  animation: fadeInUp 1s ease-out 0.3s backwards;
}

.feature-card {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  padding: 2rem;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--primary-color), #8b5cf6);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-8px);
  border-color: var(--primary-color);
  box-shadow: var(--shadow-lg);
}

.feature-card:hover::before {
  transform: scaleX(1);
}

.feature-icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, rgba(79, 70, 229, 0.1), rgba(139, 92, 246, 0.1));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.65rem;
  color: var(--primary-color);
  margin-bottom: 1.25rem;
  transition: var(--transition);
}

.feature-card:hover .feature-icon {
  transform: scale(1.08) rotate(3deg);
  background: linear-gradient(135deg, rgba(79, 70, 229, 0.15), rgba(139, 92, 246, 0.15));
}

.feature-title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.65rem;
  color: var(--text-primary);
}

.feature-description {
  font-size: 0.94rem;
  line-height: 1.6;
  color: var(--text-muted);
}

.stats-section {
  margin-top: 4.5rem;
  padding: 3rem 1rem;
  background: linear-gradient(135deg, var(--light-bg) 0%, #f3f4f6 100%);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  animation: fadeInUp 1s ease-out 0.6s backwards;
}

.stat-item {
  text-align: center;
  padding: 1.25rem;
}

.stat-number {
  font-size: 2.75rem;
  font-weight: 800;
  line-height: 1;
  margin-bottom: 0.5rem;
  background: linear-gradient(135deg, var(--primary-color), #8b5cf6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  animation: bounce 2s infinite;
  cursor: pointer;
  color: var(--primary-color);
  opacity: 0.6;
  transition: opacity 0.3s ease;
}

.scroll-indicator:hover {
  opacity: 1;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateX(-50%) translateY(0);
  }
  40% {
    transform: translateX(-50%) translateY(-10px);
  }
  60% {
    transform: translateX(-50%) translateY(-5px);
  }
}

.scroll-indicator i {
  font-size: 1.85rem;
}

/* Landing page responsive */
@media (max-width: 768px) {
  .hero-section {
    padding: 2rem 0;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-top: 3rem;
  }
  
  .stats-section {
    margin-top: 3rem;
    padding: 2rem 0.75rem;
  }
  
  .stat-number {
    font-size: 2.25rem;
  }
  
  .stat-label {
    font-size: 0.9rem;
  }
  
  .hero-cta {
    padding: 0.85rem 1.85rem;
    font-size: 1rem;
  }
  
  .feature-icon {
    width: 50px;
    height: 50px;
    font-size: 1.5rem;
  }
}

@media (max-width: 576px) {
  .hero-title {
    font-size: 1.85rem;
  }
  
  .hero-subtitle {
    font-size: 0.95rem;
  }
}


/* ========================================
   AUTH PAGE STYLES (LOGIN/REGISTER)
   ======================================== */
.auth-wrap {
  background: linear-gradient(135deg, var(--light-bg) 0%, #f3f4f6 100%);
  min-height: 100vh;
  padding: 2rem 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

/* Subtle pattern */
.auth-wrap::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    radial-gradient(circle at 20% 50%, rgba(79, 70, 229, 0.03) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(139, 92, 246, 0.03) 0%, transparent 50%);
  pointer-events: none;
}

.auth-card {
  max-width: 580px; /* Increased from 520px */
  width: 100%;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  background: var(--card-bg);
  overflow: hidden;
  animation: fadeInUp 0.6s ease-out;
  position: relative;
  z-index: 1;
}

.auth-card .card-body {
  padding: 3.5rem 3rem; /* Increased from 3rem 2.5rem */
}

/* Logo Circle */
.auth-logo {
  margin-bottom: 1.75rem; /* Increased */
}

.auth-logo .logo-circle {
  width: 100px; /* Increased from 90px */
  height: 100px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto;
  box-shadow: 0 8px 24px rgba(79, 70, 229, 0.25);
  transition: var(--transition);
}

.auth-logo .logo-circle:hover {
  transform: scale(1.05);
  box-shadow: 0 12px 32px rgba(79, 70, 229, 0.35);
}

.auth-logo .logo-circle i {
  font-size: 2.5rem; /* Increased from 2.25rem */
  color: white;
}

/* Auth Title */
.auth-card h3 {
  font-weight: 800;
  color: var(--text-primary);
  font-size: 1.9rem; /* Increased from 1.75rem */
  margin-bottom: 0.75rem; /* Increased */
}

.auth-card .text-center > p.text-muted {
  font-size: 1rem; /* Increased from 0.95rem */
  margin-bottom: 2.25rem; /* Increased */
}

/* Form Labels */
.auth-card .form-label {
  font-weight: 600;
  font-size: 1rem; /* Increased from 0.95rem */
  color: var(--text-primary);
  display: flex;
  align-items: center;
  margin-bottom: 0.65rem;
}

.auth-card .form-label i {
  color: var(--primary-color);
  font-size: 1.1rem; /* Increased */
}

/* Form Inputs */
.auth-card .form-control-lg {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 1rem 1.25rem; /* Increased from 0.875rem 1.125rem */
  font-size: 1.05rem; /* Increased from 1rem */
  transition: var(--transition);
  background-color: var(--card-bg);
  min-height: 54px; /* Increased from 50px */
}

.auth-card .form-control-lg:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
  background-color: var(--card-bg);
}

.auth-card .form-control-lg::placeholder {
  color: var(--text-muted);
  opacity: 0.6;
}

/* Password Toggle Button */
.auth-card .btn-link {
  padding: 0.75rem; /* Increased */
  text-decoration: none;
  border: none;
  background: transparent;
  color: var(--text-muted);
  transition: var(--transition);
  font-size: 1.2rem; /* Increased */
}

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

.auth-card .btn-link:focus {
  outline: none;
  box-shadow: none;
}

/* Submit Button */
.auth-card .btn-primary {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
  border: none;
  padding: 1.125rem 1.75rem; /* Increased from 1rem 1.5rem */
  font-weight: 700;
  font-size: 1.1rem; /* Increased from 1.05rem */
  border-radius: var(--radius-sm);
  transition: var(--transition);
  box-shadow: 0 4px 12px rgba(79, 70, 229, 0.2);
  min-height: 56px; /* Increased from 52px */
}

.auth-card .btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(79, 70, 229, 0.3);
  background: linear-gradient(135deg, var(--primary-hover), #3730a3);
}

.auth-card .btn-primary:active {
  transform: translateY(0);
}

/* Card Footer */
.auth-card .card-footer {
  background-color: var(--light-bg);
  border-top: 1px solid var(--border-color);
  padding: 1.25rem; /* Increased from 1.125rem */
}

.auth-card .card-footer small {
  color: var(--text-muted);
  font-size: 0.95rem; /* Increased from 0.9rem */
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
}

.auth-card .card-footer i {
  color: var(--success-color);
  font-size: 1.05rem; /* Increased */
}

/* Links */
.auth-card a {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition);
}

.auth-card a:hover {
  color: var(--primary-hover);
  text-decoration: underline;
}

/* Footer text size */
.auth-card .text-center > p.text-muted.small {
  font-size: 0.95rem; /* Increased */
}

/* Alert in Auth */
.auth-card .alert {
  border-radius: var(--radius-sm);
  font-size: 1rem; /* Increased from 0.95rem */
  padding: 1.125rem 1.25rem; /* Increased */
}

/* Form Validation States */
.auth-card .form-control.is-invalid,
.auth-card .form-control:invalid {
  border-color: var(--danger-color);
}

.auth-card .form-control.is-invalid:focus {
  border-color: var(--danger-color);
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.auth-card .invalid-feedback {
  display: none;
  font-size: 0.9rem; /* Increased from 0.875rem */
  color: var(--danger-color);
  margin-top: 0.4rem;
}

.auth-card .was-validated .form-control:invalid ~ .invalid-feedback {
  display: block;
}

/* Responsive */
@media (min-width: 768px) {
  .auth-card .card-body {
    padding: 4rem 3.5rem; /* Even more spacious on larger screens */
  }
}

@media (max-width: 576px) {
  .auth-wrap {
    padding: 1rem 0.5rem;
  }
  
  .auth-card {
    max-width: 100%;
  }
  
  .auth-card .card-body {
    padding: 2.25rem 1.75rem; /* Slightly increased for mobile */
  }
  
  .auth-logo .logo-circle {
    width: 80px;
    height: 80px;
  }
  
  .auth-logo .logo-circle i {
    font-size: 2rem;
  }
  
  .auth-card h3 {
    font-size: 1.6rem;
  }
  
  .auth-card .form-control-lg {
    padding: 0.875rem 1.125rem;
    font-size: 1rem;
  }
  
  .auth-card .btn-primary {
    padding: 1rem 1.5rem;
    font-size: 1.05rem;
  }
}

@media (max-width: 400px) {
  .auth-card .card-body {
    padding: 1.75rem 1.5rem;
  }
}

/* ========================================
   RESOURCE/TOOLS CARDS
   ======================================== */
.resource-card {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.resource-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--primary-color), #8b5cf6);
  opacity: 0;
  transition: var(--transition);
}

.resource-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-color);
}

.resource-card:hover::before {
  opacity: 1;
}

.resource-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(79, 70, 229, 0.1), rgba(139, 92, 246, 0.1));
  border-radius: var(--radius-sm);
  flex-shrink: 0;
  transition: var(--transition);
}

.resource-icon i {
  font-size: 1.5rem;
  color: var(--primary-color);
}

.resource-icon img {
  object-fit: contain;
}

.resource-card:hover .resource-icon {
  transform: scale(1.05);
  background: linear-gradient(135deg, rgba(79, 70, 229, 0.15), rgba(139, 92, 246, 0.15));
}

.resource-card h6 {
  font-size: 1rem;
  color: var(--text-primary);
  line-height: 1.3;
}

.resource-card .card-body {
  padding: 1.5rem;
}

/* Responsive */
@media (max-width: 576px) {
  .resource-icon {
    width: 40px;
    height: 40px;
  }
  
  .resource-icon i {
    font-size: 1.25rem;
  }
  
  .resource-card .card-body {
    padding: 1.25rem;
  }
}