/* Основные стили Crypto Arbitrage */
:root {
    --primary-color: #2c3e50;
    --secondary-color: #34495e;
    --accent-color: #3498db;
    --success-color: #27ae60;
    --warning-color: #f39c12;
    --danger-color: #e74c3c;
    --light-color: #ecf0f1;
    --dark-color: #2c3e50;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f8f9fa;
}

/* Sidebar */
.sidebar {
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    z-index: 100;
    padding: 48px 0 0;
    box-shadow: inset -1px 0 0 rgba(0, 0, 0, .1);
}

.sidebar .nav-link {
    color: #333;
    padding: 0.5rem 1rem;
    border-radius: 0.25rem;
    margin: 0.1rem 0.5rem;
}

.sidebar .nav-link:hover {
    background-color: #e9ecef;
}

.sidebar .nav-link.active {
    background-color: var(--accent-color);
    color: white;
}

.sidebar .nav-link i {
    margin-right: 0.5rem;
    width: 1.2em;
    text-align: center;
}

/* Main content */
main {
    margin-top: 56px;
}

/* Cards */
.card {
    border: none;
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    margin-bottom: 1.5rem;
    border-radius: 0.5rem;
}

.card-header {
    background-color: white;
    border-bottom: 1px solid #e3e6f0;
    padding: 1rem 1.25rem;
    font-weight: 600;
}

/* Tables */
.table th {
    border-top: none;
    font-weight: 600;
    color: var(--dark-color);
    background-color: #f8f9fa;
}

.table-hover tbody tr:hover {
    background-color: rgba(52, 152, 219, 0.05);
}

/* Badges */
.badge {
    font-weight: 500;
    padding: 0.35em 0.65em;
}

/* Buttons */
.btn {
    border-radius: 0.375rem;
    font-weight: 500;
    transition: all 0.15s ease-in-out;
}

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

.btn-primary:hover {
    background-color: #2980b9;
    border-color: #2980b9;
    transform: translateY(-1px);
}

/* Progress bars */
.progress {
    border-radius: 0.375rem;
    height: 0.5rem;
}

.progress-bar {
    border-radius: 0.375rem;
}

/* Alerts */
.alert {
    border: none;
    border-radius: 0.5rem;
    border-left: 4px solid;
}

.alert-success {
    border-left-color: var(--success-color);
    background-color: rgba(39, 174, 96, 0.1);
}

.alert-warning {
    border-left-color: var(--warning-color);
    background-color: rgba(243, 156, 18, 0.1);
}

.alert-danger {
    border-left-color: var(--danger-color);
    background-color: rgba(231, 76, 60, 0.1);
}

.alert-info {
    border-left-color: var(--accent-color);
    background-color: rgba(52, 152, 219, 0.1);
}

/* Navigation */
.navbar-brand {
    font-weight: 700;
}

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

/* Profit colors */
.text-profit-high { color: var(--success-color); }
.text-profit-medium { color: var(--warning-color); }
.text-profit-low { color: var(--danger-color); }

.bg-profit-high { background-color: var(--success-color); }
.bg-profit-medium { background-color: var(--warning-color); }
.bg-profit-low { background-color: var(--danger-color); }

/* Exchange status indicators */
.status-online { color: var(--success-color); }
.status-offline { color: var(--danger-color); }
.status-warning { color: var(--warning-color); }

/* Loading animations */
.loading-spinner {
    display: inline-block;
    width: 1rem;
    height: 1rem;
    border: 2px solid #f3f3f3;
    border-top: 2px solid var(--accent-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Notification system */
.notification {
    position: fixed;
    top: 80px;
    right: 20px;
    z-index: 1050;
    min-width: 300px;
    max-width: 500px;
}

.notification .alert {
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .sidebar {
        position: static;
        padding: 0;
    }
    
    main {
        margin-top: 0;
    }
    
    .table-responsive {
        font-size: 0.875rem;
    }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    body {
        background-color: #1a1d23;
        color: #e9ecef;
    }
    
    .card {
        background-color: #2d3748;
        color: #e9ecef;
    }
    
    .card-header {
        background-color: #2d3748;
        border-bottom-color: #4a5568;
    }
    
    .table {
        color: #e9ecef;
    }
    
    .table th {
        background-color: #2d3748;
        color: #e9ecef;
    }
    
    .table-hover tbody tr:hover {
        background-color: #4a5568;
    }
}

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

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #a8a8a8;
}

/* Print styles */
@media print {
    .sidebar, .navbar, .btn, .notification {
        display: none !important;
    }
    
    .card {
        border: 1px solid #ddd !important;
        box-shadow: none !important;
    }
}