:root {
    --primary-color: #2c3e50;
    --secondary-color: #95a5a6;
    --accent-color: #3498db;
    --success-color: #27ae60;
    --warning-color: #f39c12;
    --danger-color: #e74c3c;
    --bg-light: #f8f9fa;
    --card-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    --card-hover-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    color: var(--primary-color);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

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

.card {
    border: none;
    border-radius: 12px;
    box-shadow: var(--card-shadow);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
    box-shadow: var(--card-hover-shadow);
}

.btn-primary {
    background-color: var(--accent-color);
    border-color: var(--accent-color);
    border-radius: 8px;
    padding: 0.5rem 1.5rem;
}

.btn-primary:hover {
    background-color: #2980b9;
    border-color: #2980b9;
}

.table {
    background-color: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--card-shadow);
}

.table thead th {
    background-color: var(--bg-light);
    border-bottom: 2px solid #dee2e6;
    font-weight: 600;
}

.status-badge {
    padding: 0.4rem 0.8rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
}

/* Micro-animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.page-fade-in {
    animation: fadeIn 0.4s ease-out forwards;
}

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

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

::-webkit-scrollbar-thumb {
    background: #888;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #555;
}