/* Admin Panel Styles */
:root {
    --primary-color: #667eea;
    --secondary-color: #764ba2;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #17a2b8;
}

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

/* Sidebar */
.sidebar {
    position: fixed;
    top: 56px;
    bottom: 0;
    left: 0;
    z-index: 100;
    padding: 0;
    box-shadow: inset -1px 0 0 rgba(0, 0, 0, .1);
    overflow-y: auto;
}

.sidebar .nav-link {
    font-weight: 500;
    color: #333;
    padding: 12px 20px;
    border-left: 3px solid transparent;
    transition: all 0.3s;
}

.sidebar .nav-link:hover {
    color: var(--primary-color);
    background-color: rgba(102, 126, 234, 0.1);
}

.sidebar .nav-link.active {
    color: var(--primary-color);
    background-color: rgba(102, 126, 234, 0.1);
    border-left-color: var(--primary-color);
}

.sidebar .nav-link i {
    margin-right: 10px;
    font-size: 1.1rem;
}

/* Statistics Cards */
.stat-card {
    border: none;
    border-radius: 10px;
    transition: transform 0.3s, box-shadow 0.3s;
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.15);
}

.stat-icon {
    font-size: 3rem;
    opacity: 0.3;
}

/* Cards */
.card {
    border: none;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.08);
    margin-bottom: 20px;
}

.card-header {
    background-color: #fff;
    border-bottom: 2px solid #f0f0f0;
    padding: 15px 20px;
}

/* Tables */
.table-hover tbody tr:hover {
    background-color: rgba(102, 126, 234, 0.05);
}

/* Buttons */
.btn {
    border-radius: 6px;
    padding: 8px 16px;
    transition: all 0.3s;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border: none;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

/* Badges */
.badge {
    padding: 5px 10px;
    font-weight: 500;
}

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

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

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-color);
}

/* Responsive */
@media (max-width: 768px) {
    .sidebar {
        position: relative;
        top: 0;
    }
    
    main {
        padding: 20px 15px !important;
    }
}

/* Loading spinner */
.spinner-border-sm {
    width: 1rem;
    height: 1rem;
    border-width: 0.15em;
}

/* Form controls */
.form-control:focus,
.form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.25);
}

/* Alert animations */
.alert {
    animation: slideDown 0.3s ease-out;
}

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

/* Progress bars */
.progress {
    height: 20px;
    border-radius: 10px;
}

.progress-bar {
    border-radius: 10px;
}