/* Updated Admin Panel - Modern Dark Theme */
:root {
    --primary-color: #3A86FF;
    --primary-accent: #5F6FFF;
    --secondary-color: #A259FF;
    --success-color: #56F09F;
    --danger-color: #FF5C8D;
    --warning-color: #FFD166;
    --info-color: #6EDFF6;
    --purple-accent: #7C3AED;
    --light-color: #F8F8FF;
    --text-main: #F8F8FF;
    --text-light: #E0E0E0;
    --text-muted: #B0A8B9;
    --bg-main: #18122B;
    --bg-sidebar: #231942;
    --bg-card: #2D3250;
    --bg-widget: #3E3B6B;
    --border-color: #3E3B6B;
}

body {
    background-color: var(--bg-main);
    color: var(--text-main);
}

.admin-sidebar, .sidebar, .offcanvas {
    background-color: var(--bg-sidebar) !important;
    color: var(--text-main) !important;
}

.admin-sidebar .nav-link, .sidebar .nav-link {
    color: var(--text-light) !important;
}

.admin-sidebar .nav-link.active, .sidebar .nav-link.active {
    background: linear-gradient(90deg, var(--primary-color), var(--primary-accent));
    color: var(--light-color) !important;
}

.card, .modal-content, .table {
    background-color: var(--bg-card) !important;
    color: var(--text-main) !important;
    border-color: var(--border-color) !important;
}

.card-header, .card-footer, .modal-header, .modal-footer {
    background-color: var(--bg-widget) !important;
    color: var(--text-light) !important;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-accent));
    color: var(--light-color) !important;
    border: none;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-accent), var(--primary-color));
}

.btn-success {
    background: var(--success-color);
    color: var(--bg-main) !important;
    border: none;
}

.btn-danger {
    background: var(--danger-color);
    color: var(--bg-main) !important;
    border: none;
}

.btn-warning {
    background: var(--warning-color);
    color: var(--bg-main) !important;
    border: none;
}

.btn-info {
    background: var(--info-color);
    color: var(--bg-main) !important;
    border: none;
}

.btn-secondary, .btn-purple {
    background: var(--purple-accent);
    color: var(--light-color) !important;
    border: none;
}

.form-control, .form-select {
    background-color: var(--bg-widget);
    color: var(--text-main);
    border: 1px solid var(--border-color);
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(58,134,255,0.25);
}

/* Fix placeholder text color for form inputs */
.form-control::placeholder {
    color: var(--text-muted) !important;
    opacity: 1;
}

.form-control::-webkit-input-placeholder {
    color: var(--text-muted) !important;
    opacity: 1;
}

.form-control::-moz-placeholder {
    color: var(--text-muted) !important;
    opacity: 1;
}

.form-control:-ms-input-placeholder {
    color: var(--text-muted) !important;
    opacity: 1;
}

.form-label {
    color: var(--text-light);
}

.table th, .table td {
    color: var(--text-main);
    border-color: var(--border-color);
}

.table-dark th {
    background-color: var(--bg-widget) !important;
    color: var(--text-light) !important;
}

.badge.bg-success {
    background: var(--success-color) !important;
    color: var(--bg-main) !important;
}
.badge.bg-danger {
    background: var(--danger-color) !important;
    color: var(--bg-main) !important;
}
.badge.bg-warning {
    background: var(--warning-color) !important;
    color: var(--bg-main) !important;
}
.badge.bg-primary {
    background: var(--primary-color) !important;
    color: var(--light-color) !important;
}
.badge.bg-info {
    background: var(--info-color) !important;
    color: var(--bg-main) !important;
}
.badge.bg-secondary, .badge.bg-purple {
    background: var(--purple-accent) !important;
    color: var(--light-color) !important;
}
.text-muted, .form-text, .small, .text-secondary {
    color: var(--text-muted) !important;
}
.alert-success {
    background: rgba(86, 240, 159, 0.1) !important;
    color: var(--success-color) !important;
}
.alert-danger {
    background: rgba(255, 92, 141, 0.1) !important;
    color: var(--danger-color) !important;
}
.alert-warning {
    background: rgba(255, 209, 102, 0.1) !important;
    color: var(--warning-color) !important;
}
.alert-info {
    background: rgba(110, 223, 246, 0.1) !important;
    color: var(--info-color) !important;
}
::-webkit-scrollbar {
    background: var(--bg-sidebar);
}
::-webkit-scrollbar-thumb {
    background: var(--border-color);
}
/* End of modern dark theme update */

/* Admin Panel Styles */

/* Dark theme overrides */
.bg-dark {
    background-color: #1a1a1a !important;
}

.card.bg-dark {
    background-color: #2d2d2d !important;
    border-color: #404040 !important;
}

.table-dark {
    background-color: #2d2d2d !important;
    color: #ffffff !important;
}

.table-dark th {
    background-color: #404040 !important;
    border-color: #505050 !important;
}

.table-dark td {
    border-color: #404040 !important;
}

/* Admin specific styles */
.admin-sidebar {
    min-height: calc(100vh - 56px);
    background-color: #2d2d2d;
    border-right: 1px solid #404040;
}

/* Navbar styling to match the dark theme */
.navbar-dark.bg-primary {
    background-color: var(--bg-sidebar) !important;
    border-bottom: 1px solid var(--bg-main);
}

.navbar-dark .navbar-brand {
    color: var(--text-main) !important;
}

.navbar-dark .navbar-nav .nav-link {
    color: var(--text-light) !important;
}

.navbar-dark .navbar-nav .nav-link:hover {
    color: var(--primary-color) !important;
}

.navbar-dark .navbar-toggler {
    border-color: var(--border-color);
}

.navbar-dark .navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28248, 248, 255, 0.75%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

.admin-sidebar .nav-link {
    color: #b0b0b0;
    border-radius: 0;
    padding: 0.75rem 1rem;
}

.admin-sidebar .nav-link:hover {
    background-color: #404040;
    color: #ffffff;
}

.admin-sidebar .nav-link.active {
    background-color: #007bff;
    color: #ffffff;
}

.admin-sidebar .nav-link i {
    width: 20px;
    text-align: center;
    margin-right: 0.5rem;
}

/* Dashboard cards */
.stat-card {
    transition: transform 0.2s ease-in-out;
}

.stat-card:hover {
    transform: translateY(-2px);
}

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

.stat-card .stat-icon {
    font-size: 2.5rem;
    opacity: 0.8;
}

/* Charts */
.chart-container {
    position: relative;
    height: 300px;
}

/* Tables */
.table-responsive {
    border-radius: 0.375rem;
    overflow: hidden;
}

.table th {
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.875rem;
    letter-spacing: 0.5px;
}

/* Forms */
.form-control:focus {
    border-color: #007bff;
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

.form-select:focus {
    border-color: #007bff;
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

/* Buttons */
.btn-group-sm > .btn, .btn-sm {
    padding: 0.25rem 0.5rem;
    font-size: 0.875rem;
    border-radius: 0.2rem;
}

/* Modals */
.modal-content {
    background-color: #2d2d2d;
    border: 1px solid #404040;
}

.modal-header {
    border-bottom: 1px solid #404040;
}

.modal-footer {
    border-top: 1px solid #404040;
}

/* Alerts */
.alert {
    border: none;
    border-radius: 0.375rem;
}

.alert-success {
    background-color: rgba(25, 135, 84, 0.1);
    color: #75b798;
}

.alert-danger {
    background-color: rgba(220, 53, 69, 0.1);
    color: #ea868f;
}

.alert-warning {
    background-color: rgba(255, 193, 7, 0.1);
    color: #ffda6a;
}

.alert-info {
    background-color: rgba(13, 202, 240, 0.1);
    color: #6edff6;
}

/* Badges */
.badge {
    font-size: 0.75rem;
    padding: 0.35em 0.65em;
}

/* Progress bars */
.progress {
    background-color: #404040;
    height: 0.5rem;
}

.progress-bar {
    background-color: #007bff;
}

/* Dropdowns */
.dropdown-menu {
    background-color: var(--bg-card) !important;
    border: 1px solid var(--border-color) !important;
    color: var(--text-main) !important;
    z-index: 1050 !important;
    display: none;
}

.dropdown-menu.show {
    display: block !important;
}

.dropdown-item {
    color: var(--text-light) !important;
}

.dropdown-item:hover {
    background-color: var(--bg-widget) !important;
    color: var(--text-main) !important;
}

.dropdown-divider {
    border-color: var(--border-color) !important;
}

/* Pagination */
.page-link {
    background-color: #2d2d2d;
    border-color: #404040;
    color: #b0b0b0;
}

.page-link:hover {
    background-color: #404040;
    border-color: #505050;
    color: #ffffff;
}

.page-item.active .page-link {
    background-color: #007bff;
    border-color: #007bff;
}

.page-item.disabled .page-link {
    background-color: #2d2d2d;
    border-color: #404040;
    color: #6c757d;
}

/* Tooltips */
.tooltip {
    font-size: 0.875rem;
}

.tooltip-inner {
    background-color: #000000;
    color: #ffffff;
}

.bs-tooltip-top .tooltip-arrow::before {
    border-top-color: #000000;
}

.bs-tooltip-bottom .tooltip-arrow::before {
    border-bottom-color: #000000;
}

.bs-tooltip-start .tooltip-arrow::before {
    border-left-color: #000000;
}

.bs-tooltip-end .tooltip-arrow::before {
    border-right-color: #000000;
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #2d2d2d;
}

::-webkit-scrollbar-thumb {
    background: #505050;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #606060;
}

/* Loading spinner */
.spinner-border-sm {
    width: 1rem;
    height: 1rem;
}

/* File upload */
.file-upload-area {
    border: 2px dashed #404040;
    border-radius: 0.375rem;
    padding: 2rem;
    text-align: center;
    transition: border-color 0.2s ease-in-out;
}

.file-upload-area:hover {
    border-color: #007bff;
}

.file-upload-area.dragover {
    border-color: #007bff;
    background-color: rgba(0, 123, 255, 0.1);
}

/* Challenge cards */
.challenge-card {
    transition: transform 0.2s ease-in-out, box-shadow 0.2s ease-in-out;
}

/* Removed hover effect to prevent clickable appearance */

.challenge-card.solved {
    border-color: #198754 !important;
}

.challenge-card.solved .card-header {
    background-color: rgba(25, 135, 84, 0.1);
}

/* User management */
.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: #007bff;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
}

.user-status {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
    margin-right: 0.5rem;
}

.user-status.active {
    background-color: #198754;
}

.user-status.inactive {
    background-color: #6c757d;
}

.user-status.suspended {
    background-color: #dc3545;
}

/* Activity feed */
.activity-item {
    padding: 0.75rem 0;
    border-bottom: 1px solid #404040;
}

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

.activity-icon {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 0.75rem;
}

.activity-icon.success {
    background-color: rgba(25, 135, 84, 0.2);
    color: #75b798;
}

.activity-icon.warning {
    background-color: rgba(255, 193, 7, 0.2);
    color: #ffda6a;
}

.activity-icon.danger {
    background-color: rgba(220, 53, 69, 0.2);
    color: #ea868f;
}

.activity-icon.info {
    background-color: rgba(13, 202, 240, 0.2);
    color: #6edff6;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .admin-sidebar {
        min-height: auto;
        border-right: none;
        border-bottom: 1px solid #404040;
    }
    
    .stat-card .card-body {
        padding: 1rem;
    }
    
    .stat-card .stat-icon {
        font-size: 2rem;
    }
    
    .chart-container {
        height: 250px;
    }
}

/* Print styles */
@media print {
    .admin-sidebar,
    .navbar,
    .btn,
    .modal {
        display: none !important;
    }
    
    .card {
        border: 1px solid #000 !important;
        box-shadow: none !important;
    }
    
    .table {
        border: 1px solid #000 !important;
    }
    
    .table th,
    .table td {
        border: 1px solid #000 !important;
    }
}