:root {
    --primary: #0d6efd;
    --secondary: #6c757d;
    --success: #198754;
    --info: #0dcaf0;
    --warning: #ffc107;
    --danger: #dc3545;
    --light: #f8f9fa;
    --dark: #212529;
}

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

/* Login */
.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background-color: var(--light);
}

.login-box {
    width: 100%;
    max-width: 400px;
    padding: 2rem;
    background: white;
    border-radius: 8px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
}

.login-logo {
    text-align: center;
    margin-bottom: 2rem;
}

.login-logo img {
    max-height: 80px;
    margin-bottom: 1rem;
}

/* Dashboard */
.stat-card {
    background: white;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.05);
    text-align: center;
    margin-bottom: 1rem;
}

.stat-card h3 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    color: var(--primary);
}

.stat-card p {
    color: var(--secondary);
    margin-bottom: 1rem;
}

/* Tables */
.table-responsive {
    overflow-x: auto;
}

/* Forms */
.form-group {
    margin-bottom: 1.5rem;
}

/* Responsive */
@media (max-width: 768px) {
    .stats-row {
        margin-bottom: -1rem;
    }
    
    .stats-row .col-md-3 {
        margin-bottom: 1rem;
    }
}

/* Print styles */
@media print {
    .no-print {
        display: none !important;
    }
    
    body {
        background: white;
        padding: 0;
        margin: 0;
    }
    
    .container {
        width: 100%;
        padding: 0;
    }
}