/* Main Stylesheet */
:root {
    --primary-color: #3498db;
    --secondary-color: #2c3e50;
    --success-color: #27ae60;
    --danger-color: #e74c3c;
    --warning-color: #f39c12;
    --info-color: #17a2b8;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f8f9fa;
    color: #336494;
    margin: 10;
    padding: 10px;
}

.login-page {
    background: linear-gradient(135deg, #8bea66 0%, #a0a24b 100%);
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}


.card {
    border: none;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.08);
}

.card-header {
    border-radius: 15px 15px 0 0 !important;
}

/* Table Styles */
.table-hover tbody tr:hover {
    background-color: rgba(52, 152, 219, 0.1);
}

/* Button Styles */
.btn {
    border-radius: 8px;
    padding: 8px 20px;
    font-weight: 500;
    transition: all 0.3s;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
}

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

/* Badge Styles */
.badge {
    padding: 5px 10px;
    border-radius: 10px;
    font-weight: 500;
}

/* Form Styles */
.form-control {
    border-radius: 8px;
    border: 1px solid #dee2e6;
    padding: 10px 15px;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(52, 152, 219, 0.25);
}

/* Alert Styles */
.alert {
    border-radius: 10px;
    border: none;
}

/* 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: #2980b9;
}

/* Animation for attendance success */
@keyframes successPulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

.attendance-success {
    animation: successPulse 0.5s ease-in-out;
}

/* Scanner container */
#qr-reader {
    border: 2px dashed #dee2e6;
    border-radius: 10px;
    padding: 10px;
}

/* Calendar icon */
.calendar-icon {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-align: center;
    width: 50px;
    border-radius: 8px;
}

/* Print styles */
@media print {
    .sidebar, .navbar, .btn {
        display: none !important;
    }
    
    .main-content {
        margin-left: 0 !important;
        width: 100% !important;
    }
}