/* Admin Panel Styles */
:root {
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #3b82f6;
    --secondary-color: #64748b;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --info-color: #06b6d4;
    --light-bg: #f8fafc;
    --white: #ffffff;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;
    --sidebar-width: 280px;
    --sidebar-collapsed-width: 70px;
    --topbar-height: 70px;
    --border-radius: 8px;
    --box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --box-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

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

body {
    font-family: 'Open Sans', sans-serif;
    background-color: var(--light-bg);
    color: var(--gray-700);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Merriweather', serif;
    font-weight: 700;
    color: var(--gray-800);
}

/* Loading Overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.9);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.loading-overlay.show {
    opacity: 1;
    visibility: visible;
}

.loading-spinner {
    text-align: center;
    color: var(--primary-color);
}

/* Sidebar Styles */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: var(--white);
    z-index: 1000;
    transition: all 0.3s ease;
    overflow-y: auto;
    box-shadow: var(--box-shadow-lg);
}

.sidebar.collapsed {
    width: var(--sidebar-collapsed-width);
}

.sidebar-header {
    padding: 1.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.sidebar-header h3 {
    color: var(--white);
    font-size: 1.25rem;
    margin: 0;
    white-space: nowrap;
    overflow: hidden;
}

.sidebar.collapsed .sidebar-header h3 {
    opacity: 0;
}

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

.sidebar-nav .nav-item {
    margin: 0.25rem 0;
}

.sidebar-nav .nav-link {
    display: flex;
    align-items: center;
    padding: 0.875rem 1.5rem;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: all 0.3s ease;
    border-left: 3px solid transparent;
    white-space: nowrap;
    overflow: hidden;
}

.sidebar-nav .nav-link:hover {
    color: var(--white);
    background-color: rgba(255, 255, 255, 0.1);
    border-left-color: var(--white);
}

.sidebar-nav .nav-link.active {
    color: var(--white);
    background-color: rgba(255, 255, 255, 0.15);
    border-left-color: var(--white);
    font-weight: 600;
}

.sidebar-nav .nav-link i {
    width: 20px;
    text-align: center;
    flex-shrink: 0;
}

.sidebar.collapsed .nav-link span {
    opacity: 0;
}

.sidebar-footer {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar.collapsed .sidebar-footer {
    padding: 1rem 0.5rem;
}

/* Main Content */
.content {
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    transition: all 0.3s ease;
}

.content.expanded {
    margin-left: var(--sidebar-collapsed-width);
}

/* Top Navigation */
.navbar {
    height: var(--topbar-height);
    box-shadow: var(--box-shadow);
}

.navbar .btn-outline-primary {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

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

/* Page Styles */
.page {
    display: none;
    padding: 2rem;
    min-height: calc(100vh - var(--topbar-height));
}

.page.active {
    display: block;
}

.page-title {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    color: var(--gray-800);
}

/* Cards */
.card {
    border: none;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: all 0.3s ease;
}

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

.card-header {
    background-color: var(--white);
    border-bottom: 1px solid var(--gray-200);
    padding: 1.25rem;
    border-radius: var(--border-radius) var(--border-radius) 0 0;
}

.card-body {
    padding: 1.5rem;
}

/* Metric Cards */
.metric-card {
    border-radius: var(--border-radius);
    overflow: hidden;
    position: relative;
}

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

.metric-card .metric-icon {
    opacity: 0.3;
}

.users-card {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    color: var(--white);
}

.events-card {
    background: linear-gradient(135deg, var(--info-color) 0%, #0891b2 100%);
    color: var(--white);
}

.betting-card {
    background: linear-gradient(135deg, var(--success-color) 0%, #059669 100%);
    color: var(--white);
}

.revenue-card {
    background: linear-gradient(135deg, var(--warning-color) 0%, #d97706 100%);
    color: var(--white);
}

.metric-card h6,
.metric-card h3,
.metric-card small {
    color: inherit;
}

/* Tables */
.table {
    margin-bottom: 0;
}

.table th {
    border-top: none;
    border-bottom: 2px solid var(--gray-200);
    font-weight: 600;
    color: var(--gray-700);
    background-color: var(--gray-100);
    padding: 1rem;
}

.table td {
    padding: 1rem;
    vertical-align: middle;
    border-bottom: 1px solid var(--gray-200);
}

.table-hover tbody tr:hover {
    background-color: var(--gray-100);
}

/* Buttons */
.btn {
    border-radius: var(--border-radius);
    font-weight: 500;
    padding: 0.5rem 1rem;
    transition: all 0.3s ease;
}

.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

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

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

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

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

.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.875rem;
}

/* Forms */
.form-control,
.form-select {
    border: 1px solid var(--gray-300);
    border-radius: var(--border-radius);
    padding: 0.75rem;
    transition: all 0.3s ease;
}

.form-control:focus,
.form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(37, 99, 235, 0.25);
}

.form-label {
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: 0.5rem;
}

/* Modals */
.modal-content {
    border: none;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow-lg);
}

.modal-header {
    border-bottom: 1px solid var(--gray-200);
    padding: 1.5rem;
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    border-top: 1px solid var(--gray-200);
    padding: 1.5rem;
}

/* Status Badges */
.badge {
    padding: 0.375rem 0.75rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 500;
}

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

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

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

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

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

/* Activity List */
.activity-list {
    max-height: 400px;
    overflow-y: auto;
}

.activity-item {
    display: flex;
    align-items: center;
    padding: 1rem;
    border-bottom: 1px solid var(--gray-200);
    transition: all 0.3s ease;
}

.activity-item:hover {
    background-color: var(--gray-100);
}

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

.activity-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 1rem;
    flex-shrink: 0;
}

.activity-content {
    flex: 1;
}

.activity-title {
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: 0.25rem;
}

.activity-description {
    color: var(--gray-600);
    font-size: 0.875rem;
}

.activity-time {
    color: var(--gray-500);
    font-size: 0.75rem;
    white-space: nowrap;
}

/* Tabs */
.nav-tabs {
    border-bottom: 2px solid var(--gray-200);
}

.nav-tabs .nav-link {
    border: none;
    color: var(--gray-600);
    font-weight: 500;
    padding: 1rem 1.5rem;
    border-bottom: 2px solid transparent;
    transition: all 0.3s ease;
}

.nav-tabs .nav-link:hover {
    color: var(--primary-color);
    border-bottom-color: var(--primary-light);
}

.nav-tabs .nav-link.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
    background-color: transparent;
}

/* Dropdown */
.dropdown-menu {
    border: none;
    box-shadow: var(--box-shadow-lg);
    border-radius: var(--border-radius);
    padding: 0.5rem 0;
}

.dropdown-item {
    padding: 0.5rem 1rem;
    transition: all 0.3s ease;
}

.dropdown-item:hover {
    background-color: var(--gray-100);
    color: var(--primary-color);
}

/* Responsive Design */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        width: var(--sidebar-width);
    }

    .sidebar.show {
        transform: translateX(0);
    }

    .content {
        margin-left: 0;
    }

    .content.expanded {
        margin-left: 0;
    }

    .page {
        padding: 1rem;
    }

    .page-title {
        font-size: 1.5rem;
    }

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

    .table-responsive {
        font-size: 0.875rem;
    }

    .modal-dialog {
        margin: 1rem;
    }
}

@media (max-width: 576px) {
    .sidebar-header {
        padding: 1rem;
    }

    .sidebar-nav .nav-link {
        padding: 0.75rem 1rem;
    }

    .page {
        padding: 0.5rem;
    }

    .card-body {
        padding: 1rem;
    }

    .btn {
        padding: 0.375rem 0.75rem;
        font-size: 0.875rem;
    }

    .metric-card h3 {
        font-size: 1.5rem;
    }
}

/* Animation Classes */
.fade-in {
    animation: fadeIn 0.5s ease-in;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.slide-in {
    animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
    from {
        transform: translateX(-20px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* Utility Classes */
.text-primary {
    color: var(--primary-color) !important;
}

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

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

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

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

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

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

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: var(--gray-200);
}

::-webkit-scrollbar-thumb {
    background: var(--gray-400);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gray-500);
}