:root {
    --primary-color: #ff6b35;
    --secondary-color: #6c757d;
    --success-color: #28a745;
    --info-color: #17a2b8;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --dark-color: #343a40;
    --light-color: #f8f9fa;
    --bg-dark: #1a1a1a;
    --bg-darker: #0f0f0f;
    --border-color: #495057;
    --text-muted: #6c757d;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #1a1a1d;
    color: #f5f5f5;
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: bold;
}

.card {
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease-in-out;
    border: 1px solid var(--border-color);
    background: linear-gradient(145deg, #2a2a2a, #1f1f1f);
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
}

.card-header {
    border-bottom: 1px solid var(--border-color);
    background: linear-gradient(145deg, #3a3a3a, #2f2f2f);
    border-radius: 12px 12px 0 0 !important;
}

.btn {
    border-radius: 8px;
    transition: all 0.2s ease-in-out;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.875rem;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

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

.table-dark {
    --bs-table-bg: transparent;
    --bs-table-border-color: var(--border-color);
}

.table-dark th {
    background-color: rgba(255, 255, 255, 0.05);
    border-color: var(--border-color);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 0.5px;
}

.table-dark td {
    border-color: var(--border-color);
    vertical-align: middle;
}

.badge {
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.5em 0.75em;
    border-radius: 6px;
}

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

.text-primary {
    color: #ff9900 !important;
}

.bg-primary {
    background-color: #6a0dad !important;
}

.btn-primary {
    background-color: #6a0dad;
    border-color: #6a0dad;
}

.btn-primary:hover {
    background-color: #5a0bad;
    border-color: #5a0bad;
}

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

.btn-outline-primary:hover {
    background: linear-gradient(145deg, var(--primary-color), #e55a2b);
    border-color: var(--primary-color);
    color: white;
}

.btn-success {
    background: linear-gradient(145deg, var(--success-color), #218838);
    border: none;
    box-shadow: 0 4px 12px rgba(40, 167, 69, 0.3);
}

.btn-success:hover {
    background: linear-gradient(145deg, #218838, #1e7e34);
    box-shadow: 0 6px 16px rgba(40, 167, 69, 0.4);
}

.btn-danger {
    background: linear-gradient(145deg, var(--danger-color), #c82333);
    border: none;
    box-shadow: 0 4px 12px rgba(220, 53, 69, 0.3);
}

.btn-danger:hover {
    background: linear-gradient(145deg, #c82333, #bd2130);
    box-shadow: 0 6px 16px rgba(220, 53, 69, 0.4);
}

.btn-warning {
    background: linear-gradient(145deg, var(--warning-color), #e0a800);
    border: none;
    box-shadow: 0 4px 12px rgba(255, 193, 7, 0.3);
    color: #212529;
}

.btn-warning:hover {
    background: linear-gradient(145deg, #e0a800, #d39e00);
    box-shadow: 0 6px 16px rgba(255, 193, 7, 0.4);
    color: #212529;
}

.navbar-dark .navbar-nav .nav-link {
    transition: all 0.2s ease-in-out;
    position: relative;
}

.navbar-dark .navbar-nav .nav-link:hover {
    color: var(--primary-color) !important;
    transform: translateY(-1px);
}

.navbar-dark .navbar-nav .nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: all 0.3s ease-in-out;
    transform: translateX(-50%);
}

.navbar-dark .navbar-nav .nav-link:hover::after {
    width: 100%;
}

.dropdown-menu-dark {
    background: linear-gradient(145deg, #2c3034, #212529);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.dropdown-item {
    transition: all 0.2s ease-in-out;
}

.dropdown-item:hover {
    background: linear-gradient(145deg, var(--primary-color), #e55a2b);
    color: white;
    transform: translateX(4px);
}

.min-vh-100 {
    min-height: 100vh;
}

.opacity-75 {
    opacity: 0.75;
}

/* Form styling */
.form-control, .form-select {
    background-color: #2a2a2a;
    border: 1px solid var(--border-color);
    color: #ffffff;
    border-radius: 8px;
    transition: all 0.2s ease-in-out;
}

.form-control:focus, .form-select:focus {
    background-color: #2a2a2a;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(255, 107, 53, 0.25);
    color: #ffffff;
}

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

.form-label {
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 0.5rem;
}

/* List group styling */
.list-group-item {
    background-color: transparent;
    border-color: var(--border-color);
    transition: all 0.2s ease-in-out;
}

.list-group-item:hover {
    background-color: rgba(255, 255, 255, 0.05);
    transform: translateX(4px);
}

/* Stats cards */
.stats-card {
    background: linear-gradient(145deg, #2a2a2a, #1f1f1f);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    transition: all 0.3s ease-in-out;
}

.stats-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
}

.stats-number {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.stats-label {
    font-size: 0.875rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

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

.activity-item {
    padding: 1rem;
    border-left: 4px solid var(--primary-color);
    margin-bottom: 1rem;
    background: rgba(255, 255, 255, 0.02);
    border-radius: 0 8px 8px 0;
    transition: all 0.2s ease-in-out;
}

.activity-item:hover {
    background: rgba(255, 255, 255, 0.05);
    transform: translateX(4px);
}

/* Toast notifications */
.toast {
    border-radius: 8px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.toast-container {
    z-index: 1060;
}

/* Loading animations */
.loading-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: var(--primary-color);
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Pulse animation for online indicators */
.pulse {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { opacity: 1; }
    50% { opacity: 0.5; }
    100% { opacity: 1; }
}

/* Fade in animation */
.fade-in {
    animation: fadeIn 0.5s ease-in-out;
}

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

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

::-webkit-scrollbar-track {
    background: #2c3034;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(145deg, var(--primary-color), #e55a2b);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(145deg, #e55a2b, #d14a1a);
}

/* Responsive design */
@media (max-width: 768px) {
    .container {
        padding-left: 15px;
        padding-right: 15px;
    }
    
    .card-body {
        padding: 1rem;
    }
    
    .stats-number {
        font-size: 2rem;
    }
    
    .btn {
        font-size: 0.8rem;
        padding: 0.5rem 1rem;
    }
}

@media (max-width: 576px) {
    .navbar-brand {
        font-size: 1.25rem;
    }
    
    .card {
        margin-bottom: 1rem;
    }
    
    .stats-card {
        padding: 1rem;
    }
    
    .stats-number {
        font-size: 1.75rem;
    }
}

/* Dark theme enhancements */
[data-theme="dark"] {
    --bg-dark: #0f0f0f;
    --bg-darker: #000000;
    --border-color: #2a2a2a;
}

/* Utility classes */
.text-gradient {
    background: linear-gradient(145deg, var(--primary-color), #e55a2b);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.bg-gradient-primary {
    background: linear-gradient(145deg, var(--primary-color), #e55a2b);
}

.bg-gradient-success {
    background: linear-gradient(145deg, var(--success-color), #218838);
}

.bg-gradient-danger {
    background: linear-gradient(145deg, var(--danger-color), #c82333);
}

.bg-gradient-warning {
    background: linear-gradient(145deg, var(--warning-color), #e0a800);
}

/* Hover effects */
.hover-lift {
    transition: transform 0.2s ease-in-out;
}

.hover-lift:hover {
    transform: translateY(-4px);
}

.hover-glow {
    transition: box-shadow 0.2s ease-in-out;
}

.hover-glow:hover {
    box-shadow: 0 8px 32px rgba(255, 107, 53, 0.3);
}

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

.login-page {
    background: url('/images/Background.png') no-repeat center center fixed;
    background-size: cover;
}

.login-card {
    background: rgba(15, 15, 15, 0.75);
    border: 1px solid var(--primary-color);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 1rem;
}