/* Modern Admin Panel CSS - Blue Gradient Theme */

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

html, body {
  height: 100%;
  width: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
  background-color: #f8fafc;
  color: #1e293b;
  margin: 0;
  padding: 0;
}

main {
  margin: 0;
  padding: 0;
}

h1, h2, h3, h4, h5, h6 {
  margin: 0 !important;
  padding: 0 !important;
  font-weight: 600;
  line-height: 1.2;
}

h1 {
  font-size: 2.5rem;
}

h2 {
  font-size: 2rem;
}

h3 {
  font-size: 1.5rem;
}

h4 {
  font-size: 1.25rem;
}

h5 {
  font-size: 1.1rem;
}

h6 {
  font-size: 1rem;
}

p {
  margin: 0 !important;
  line-height: 1.6;
}

a {
  color: var(--primary-blue);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

:root {
  --primary-blue: #3b82f6;
  --primary-dark: #1e40af;
  --primary-light: #60a5fa;
  --secondary-blue: #0ea5e9;
  --bg-light: #f8fafc;
  --bg-white: #ffffff;
  --text-dark: #1e293b;
  --text-gray: #64748b;
  --border-color: #e2e8f0;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
}

/* Admin Layout */
.admin-sidebar {
  position: fixed;
  left: 0;
  top: 0;
  width: 240px;
  height: 100vh;
  background: linear-gradient(135deg, #1e40af 0%, #3b82f6 100%);
  color: white;
  z-index: 1001;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  transition: transform 0.3s ease;
}

.admin-sidebar.collapsed {
  transform: translateX(-100%);
}

.admin-sidebar-header {
  padding: 1.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.admin-sidebar-header h2 {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 700;
  color: white;
}

.admin-sidebar-close {
  display: none;
  background: none;
  border: none;
  color: white;
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0;
  width: 32px;
  height: 32px;
  align-items: center;
  justify-content: center;
}

.admin-sidebar-nav {
  flex: 1;
  padding: 1rem 0;
  list-style: none;
  margin: 0;
}

.admin-sidebar-nav li {
  margin: 0;
}

.admin-sidebar-nav a {
  display: block;
  padding: 0.75rem 1.5rem;
  color: rgba(255, 255, 255, 0.9);
  text-decoration: none;
  font-size: 0.95rem;
  transition: all 0.3s ease;
  border-left: 3px solid transparent;
}

.admin-sidebar-nav a:hover,
.admin-sidebar-nav a.active {
  background-color: rgba(255, 255, 255, 0.1);
  color: white;
  border-left-color: #60a5fa;
}

.admin-content-wrapper {
  margin-left: 240px;
  min-height: 100vh;
  background-color: var(--bg-light);
  transition: margin-left 0.3s ease;
}

.admin-header {
  background: white;
  border-bottom: 1px solid var(--border-color);
  padding: 1rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: var(--shadow-sm);
  gap: 1rem;
}

.admin-header h1 {
  margin: 0;
  font-size: 1.5rem;
  color: var(--text-dark);
  font-weight: 700;
}

.admin-menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-dark);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.5rem;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  transition: background-color 0.3s ease;
}

.admin-menu-toggle:hover {
  background-color: var(--bg-light);
}

.admin-header-right {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.9rem;
  color: var(--text-gray);
  margin-left: auto;
}

.admin-main {
  padding: 2rem;
  max-width: 1400px;
  margin: 0 auto;
  width: 100%;
}

.admin-title-section {
  margin-bottom: 2rem;
}

.admin-title-section h2 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-dark);
  margin: 0 0 0.5rem 0;
}

.admin-title-section p {
  color: var(--text-gray);
  margin: 0;
}

/* Cards */
.admin-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-md);
  transition: all 0.3s ease;
}

.admin-card:hover {
  box-shadow: var(--shadow-lg);
}

.admin-card-header {
  padding: 1.5rem;
  border-bottom: 1px solid var(--border-color);
}

.admin-card-header h3 {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-dark);
}

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

.admin-card-footer {
  padding: 1.5rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  gap: 1rem;
  justify-content: flex-end;
}

/* Tables */
.admin-table {
  width: 100% !important;
  border-collapse: collapse;
  font-size: 0.95rem;
}

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

.admin-table th {
  padding: 1rem !important;
  text-align: left !important;
  font-weight: 600 !important;
  color: var(--text-dark) !important;
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.5px;
  border: none !important;
  background-color: var(--bg-light) !important;
}

.admin-table tbody tr {
  border-bottom: 1px solid var(--border-color);
  transition: background-color 0.2s ease;
}

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

.admin-table td {
  padding: 1rem !important;
  color: var(--text-dark);
  border: none !important;
}

.admin-table-actions {
  display: flex;
  gap: 0.5rem;
}

.admin-table-actions a,
.admin-table-actions button {
  padding: 0.25rem 0.75rem;
  font-size: 0.85rem;
}

/* Forms */
.admin-form {
  display: grid;
  gap: 1.5rem;
}

.admin-form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.admin-form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.admin-form-row .admin-form-group {
  width: 100%;
}

.admin-form label {
  font-weight: 600;
  color: var(--text-dark);
  font-size: 0.95rem;
  display: block;
  margin-bottom: 0.5rem;
}

.admin-form input[type="text"],
.admin-form input[type="number"],
.admin-form input[type="email"],
.admin-form textarea,
.admin-form select {
  width: 100% !important;
  max-width: 100% !important;
  padding: 0.75rem !important;
  border: 1px solid var(--border-color) !important;
  border-radius: var(--radius-md) !important;
  font-size: 0.95rem !important;
  font-family: inherit !important;
  transition: all 0.3s ease !important;
  background-color: var(--bg-white) !important;
  color: var(--text-dark) !important;
}

.admin-form input[type="text"]:focus,
.admin-form input[type="number"]:focus,
.admin-form input[type="email"]:focus,
.admin-form textarea:focus,
.admin-form select:focus {
  outline: none !important;
  border-color: var(--primary-blue) !important;
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1) !important;
}

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

.admin-form-checkbox {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  cursor: pointer;
  margin-bottom: 1rem;
}

.admin-form-checkbox input[type="checkbox"] {
  width: auto !important;
  cursor: pointer;
  margin: 0 !important;
}

.admin-form-checkbox label {
  margin: 0 !important;
  cursor: pointer;
  font-weight: normal !important;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem !important;
  border-radius: var(--radius-md) !important;
  border: none !important;
  font-size: 0.95rem !important;
  font-weight: 500 !important;
  cursor: pointer !important;
  transition: all 0.3s ease !important;
  text-decoration: none !important;
  white-space: nowrap;
  display: inline-flex !important;
  align-items: center !important;
  gap: 0.5rem !important;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  text-decoration: none !important;
}

.btn-primary {
  background: linear-gradient(135deg, #3b82f6 0%, #0ea5e9 100%) !important;
  color: white !important;
  border: none !important;
}

.btn-primary:hover {
  background: linear-gradient(135deg, #1e40af 0%, #0284c7 100%) !important;
  color: white !important;
}

.btn-secondary {
  background-color: var(--bg-light) !important;
  color: var(--text-dark) !important;
  border: 1px solid var(--border-color) !important;
}

.btn-secondary:hover {
  background-color: var(--border-color) !important;
}

.btn-success {
  background-color: #10b981 !important;
  color: white !important;
}

.btn-success:hover {
  background-color: #059669 !important;
}

.btn-danger {
  background-color: #ef4444 !important;
  color: white !important;
  border: none !important;
}

.btn-danger:hover {
  background-color: #dc2626 !important;
}

.btn-sm {
  padding: 0.5rem 1rem !important;
  font-size: 0.85rem !important;
}

.btn-link {
  background: none !important;
  border: none !important;
  padding: 0 !important;
  color: var(--primary-blue) !important;
  text-decoration: none !important;
  cursor: pointer;
  font-weight: 500;
}

.btn-link:hover {
  text-decoration: underline !important;
  transform: none;
  box-shadow: none;
}

.btn-link.btn-danger {
  color: #ef4444 !important;
}

/* Action Bar */
.admin-actions {
  display: flex;
  gap: 1rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.admin-actions a,
.admin-actions button {
  display: inline-flex;
  align-items: center;
}

/* Breadcrumbs */
.admin-breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
}

.admin-breadcrumb a {
  color: var(--primary-blue);
  text-decoration: none;
}

.admin-breadcrumb a:hover {
  text-decoration: underline;
}

.admin-breadcrumb span {
  color: var(--text-gray);
}

/* Badges */
.badge {
  display: inline-block !important;
  padding: 0.35rem 0.75rem !important;
  font-size: 0.8rem !important;
  font-weight: 600 !important;
  border-radius: var(--radius-sm) !important;
  background-color: var(--bg-light) !important;
  color: var(--text-dark) !important;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border: none !important;
}

.badge-blue {
  background-color: rgba(59, 130, 246, 0.1) !important;
  color: #1e40af !important;
}

.badge-green {
  background-color: rgba(16, 185, 129, 0.1) !important;
  color: #065f46 !important;
}

.badge-red {
  background-color: rgba(239, 68, 68, 0.1) !important;
  color: #7f1d1d !important;
}

.badge-yellow {
  background-color: rgba(245, 158, 11, 0.1) !important;
  color: #78350f !important;
}

/* Grid Layouts */
.admin-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.admin-grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
}

/* Stats Cards */
.stat-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-md);
}

.stat-card h3 {
  margin: 0 0 0.5rem 0;
  color: var(--text-gray);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.stat-card .value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary-blue);
  margin: 0;
}

/* Lists */
.admin-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.admin-list li {
  padding: 1rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.admin-list li:last-child {
  border-bottom: none;
}

.admin-list li:hover {
  background-color: var(--bg-light);
}

.admin-list-content {
  flex: 1;
}

.admin-list-actions {
  display: flex;
  gap: 0.5rem;
  margin-left: 1rem;
}

/* Question List */
.question-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.question-list li {
  padding: 1.5rem;
  margin-bottom: 1rem;
  background: var(--bg-white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.question-list li:hover {
  box-shadow: var(--shadow-md);
}

.question-list li p {
  margin: 0 0 1rem 0;
  color: var(--text-dark);
  font-weight: 500;
}

.question-list li ul {
  list-style: none;
  padding: 0;
  margin: 1rem 0;
}

.question-list li ul li {
  padding: 0.5rem 0;
  margin-bottom: 0.5rem;
  background: none;
  border: none;
  box-shadow: none;
}

.question-list .correct {
  font-weight: 700;
  color: #10b981;
  background-color: rgba(16, 185, 129, 0.05);
  padding: 0.5rem;
  border-radius: var(--radius-sm);
}

.question-list-meta {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-color);
  font-size: 0.85rem;
  color: var(--text-gray);
}

.question-list-actions {
  display: flex;
  gap: 0.5rem;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-color);
}

/* Flash Messages */
.flash-messages {
  list-style: none;
  padding: 0;
  margin: 0 0 2rem 0;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.flash {
  padding: 1rem 1.5rem;
  border-radius: var(--radius-md);
  border-left: 4px solid;
  animation: slideIn 0.3s ease;
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.flash-error {
  background-color: rgba(239, 68, 68, 0.1);
  border-left-color: #ef4444;
  color: #7f1d1d;
}

.flash-success {
  background-color: rgba(16, 185, 129, 0.1);
  border-left-color: #10b981;
  color: #065f46;
}

.flash-info {
  background-color: rgba(59, 130, 246, 0.1);
  border-left-color: #3b82f6;
  color: #1e40af;
}

/* Back Link */
.admin-nav {
  margin: 0;
  padding: 0;
  border: none;
}

.admin-nav a {
  color: var(--primary-blue);
  text-decoration: none;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.admin-nav a:hover {
  text-decoration: underline;
}

/* Bootstrap Overrides */
button:not(.btn) {
  padding: 0.75rem 1.5rem !important;
  border-radius: var(--radius-md) !important;
  border: none !important;
  background-color: var(--primary-blue) !important;
  color: white !important;
  font-weight: 500 !important;
  cursor: pointer !important;
}

button:not(.btn):hover {
  background-color: var(--primary-dark) !important;
}

input:not([type="checkbox"]):not([type="radio"]),
textarea,
select {
  width: 100% !important;
  max-width: 100% !important;
  padding: 0.75rem !important;
  border: 1px solid var(--border-color) !important;
  border-radius: var(--radius-md) !important;
  font-size: 0.95rem !important;
  font-family: inherit !important;
}

input:not([type="checkbox"]):not([type="radio"]):focus,
textarea:focus,
select:focus {
  border-color: var(--primary-blue) !important;
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1) !important;
  outline: none !important;
}

/* Responsive - Tablet (768px - 1024px) */
@media (max-width: 1024px) {
  .admin-main {
    padding: 1.5rem;
  }

  .admin-grid,
  .admin-grid-2 {
    grid-template-columns: 1fr;
  }
}

/* Responsive - Mobile (max-width 768px) */
@media (max-width: 768px) {
  body {
    overflow-x: hidden;
  }

  .admin-sidebar {
    position: fixed;
    left: 0;
    top: 0;
    width: 240px;
    height: 100vh;
    z-index: 1001;
    transform: translateX(-100%);
  }

  .admin-sidebar.active {
    transform: translateX(0);
  }

  .admin-sidebar-close {
    display: flex;
  }

  .admin-content-wrapper {
    margin-left: 0;
  }

  .admin-menu-toggle {
    display: flex;
  }

  .admin-header {
    padding: 1rem;
    flex-wrap: wrap;
  }

  .admin-header-right {
    order: -1;
    margin-left: 0;
    width: auto;
  }

  .admin-main {
    padding: 1rem;
  }

  .admin-title-section h2 {
    font-size: 1.5rem;
  }

  .admin-title-section p {
    font-size: 0.9rem;
  }

  .admin-grid,
  .admin-grid-2 {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .admin-form-row {
    grid-template-columns: 1fr;
  }

  .admin-card-body {
    padding: 1rem;
  }

  .admin-card-footer {
    padding: 1rem;
    flex-direction: column;
  }

  .admin-card-footer .btn {
    width: 100%;
    text-align: center;
    justify-content: center;
  }

  .admin-table {
    font-size: 0.85rem;
    display: block;
    width: 100%;
    overflow-x: auto;
  }

  .admin-table thead {
    display: none;
  }

  .admin-table tbody {
    display: block;
  }

  .admin-table tr {
    display: block;
    margin-bottom: 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1rem;
    background: var(--bg-white);
  }

  .admin-table td {
    display: block;
    padding: 0.5rem 0 !important;
    text-align: left;
    border: none !important;
  }

  .admin-table td:before {
    content: attr(data-label);
    font-weight: 600;
    color: var(--text-gray);
    display: block;
    font-size: 0.75rem;
    text-transform: uppercase;
    margin-bottom: 0.25rem;
  }

  .admin-table-actions {
    flex-direction: column;
    gap: 0.5rem;
  }

  .admin-table-actions a,
  .admin-table-actions button {
    width: 100%;
    text-align: center;
  }

  .admin-list li {
    flex-direction: column;
    gap: 0.75rem;
  }

  .admin-list-actions {
    width: 100%;
    margin-left: 0;
    flex-direction: column;
  }

  .admin-list-actions a,
  .admin-list-actions button {
    width: 100%;
  }

  .admin-actions {
    flex-direction: column;
  }

  .admin-actions a,
  .admin-actions button {
    width: 100%;
  }

  .btn {
    padding: 0.6rem 1rem !important;
    font-size: 0.9rem;
    width: auto;
  }

  .btn-sm {
    padding: 0.4rem 0.8rem !important;
    font-size: 0.8rem;
  }

  .admin-form label {
    font-size: 0.9rem;
  }

  .admin-form input[type="text"],
  .admin-form input[type="number"],
  .admin-form input[type="email"],
  .admin-form textarea,
  .admin-form select {
    padding: 0.6rem !important;
    font-size: 0.9rem !important;
  }

  .question-list li {
    padding: 1rem;
  }

  .admin-breadcrumb {
    font-size: 0.85rem;
  }

  .stat-card {
    padding: 1rem;
  }

  .stat-card h3 {
    font-size: 0.75rem;
  }

  .stat-card .value {
    font-size: 1.5rem;
  }

  /* Overlay for mobile when sidebar is open */
  .sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
  }

  .sidebar-overlay.active {
    display: block;
  }
}

/* Extra small devices (max-width 480px) */
@media (max-width: 480px) {
  .admin-main {
    padding: 0.75rem;
  }

  .admin-header {
    padding: 0.75rem;
  }

  .admin-title-section h2 {
    font-size: 1.25rem;
  }

  .admin-title-section p {
    font-size: 0.85rem;
  }

  .admin-card {
    border-radius: var(--radius-md);
  }

  .admin-card-body {
    padding: 0.75rem;
  }

  .admin-card-header {
    padding: 0.75rem;
  }

  .admin-card-footer {
    padding: 0.75rem;
  }

  .admin-form input[type="text"],
  .admin-form input[type="number"],
  .admin-form input[type="email"],
  .admin-form textarea,
  .admin-form select {
    padding: 0.5rem !important;
    font-size: 16px !important; 
  }

  .btn {
    padding: 0.5rem 0.75rem !important;
    font-size: 0.85rem;
  }

  .admin-table tr {
    padding: 0.75rem;
    margin-bottom: 0.75rem;
  }

  .admin-table td {
    padding: 0.4rem 0 ;
  }

  .question-list li {
    padding: 0.75rem;
  }
}
/* Mobile sidebar toggle button */
.admin-menu-toggle {
    display: none;
}

@media (max-width: 768px) {
    .admin-menu-toggle {
        display: block;
        background: none;
        border: none;
        font-size: 24px;
        cursor: pointer;
        padding: 8px;
    }

    .admin-sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s ease;
        z-index: 1000;
    }

    .admin-sidebar.active {
        transform: translateX(0);
    }

    .sidebar-overlay {
        display: none;
    }

    .sidebar-overlay.active {
        display: block;
        position: fixed;
        inset: 0;
        background: rgba(0,0,0,0.4);
        z-index: 999;
    }

    .admin-sidebar-close {
        display: block;
    }
}
/* Mobile hamburger button */
.admin-menu-toggle {
  display: none;
}