/* OACSOFT TECHNOLOGIES CBT System Styles */

:root {
    --primary-color: #0d6efd;
    --secondary-color: #6c757d;
    --success-color: #198754;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #0dcaf0;
    --light-color: #f8f9fa;
    --dark-color: #212529;
    --oacsoft-primary: #1e3a8a;
    --oacsoft-secondary: #3b82f6;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f5f7fa;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Main content container spacing */
.container {
    margin-bottom: 4rem;
}

/* Ensure proper spacing for main content area */
main, .main-content {
    flex: 1;
    padding-bottom: 3rem;
}

.navbar-brand {
    font-weight: bold;
    font-size: 1.5rem;
}

.navbar {
    box-shadow: 0 2px 4px rgba(0,0,0,.1);
}

.card {
    border: none;
    box-shadow: 0 0 20px rgba(0,0,0,0.1);
    border-radius: 10px;
    transition: transform 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
}

.card-header {
    background: linear-gradient(135deg, var(--oacsoft-primary), var(--oacsoft-secondary));
    color: white;
    border-radius: 10px 10px 0 0 !important;
}

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

.btn-primary:hover {
    background-color: var(--oacsoft-secondary);
    border-color: var(--oacsoft-secondary);
}

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

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

.form-control:focus {
    border-color: var(--oacsoft-secondary);
    box-shadow: 0 0 0 0.2rem rgba(59, 130, 246, 0.25);
}

.table {
    background-color: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 0 20px rgba(0,0,0,0.1);
}

.table th {
    background-color: var(--oacsoft-primary);
    color: white;
    font-weight: 600;
    border: none;
}

.table td {
    vertical-align: middle;
}

.badge {
    font-size: 0.75em;
    padding: 0.5em 0.75em;
}

.status-pending {
    background-color: var(--warning-color);
    color: #000;
}

.status-approved {
    background-color: var(--success-color);
    color: white;
}

.status-rejected {
    background-color: var(--danger-color);
    color: white;
}

.status-completed {
    background-color: var(--info-color);
    color: white;
}

.test-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 2rem;
    border-radius: 15px;
    margin-bottom: 1rem;
}

.question-card {
    background-color: white;
    border-radius: 10px;
    padding: 2rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.option-label {
    display: block;
    padding: 1rem;
    margin-bottom: 0.5rem;
    border: 1px solid #ddd;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.option-label:hover {
    background-color: #f8f9fa;
    border-color: var(--oacsoft-secondary);
}

.option-label input[type="radio"] {
    margin-right: 10px;
}

.timer-display {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--danger-color);
    text-align: center;
    padding: 1rem;
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 20px;
}

.progress {
    height: 8px;
    border-radius: 10px;
}

.progress-bar {
    background: linear-gradient(90deg, var(--success-color), var(--info-color));
}

.login-container {
    max-width: 400px;
    margin: 2rem auto;
}

.register-container {
    max-width: 500px;
    margin: 2rem auto;
}

.dashboard-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    text-align: center;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--oacsoft-primary);
}

.stat-label {
    color: var(--secondary-color);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.action-buttons {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.modal-content {
    border-radius: 15px;
    border: none;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

.modal-header {
    background: linear-gradient(135deg, var(--oacsoft-primary), var(--oacsoft-secondary));
    color: white;
    border-radius: 15px 15px 0 0;
}

.toast {
    border: none;
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

footer {
    margin-top: auto;
    background-color: var(--dark-color) !important;
    color: white;
    padding: 2rem 0 !important;
    margin-top: 3rem;
}

@media (max-width: 768px) {
    .dashboard-stats {
        grid-template-columns: 1fr;
    }
    
    .action-buttons {
        flex-direction: column;
    }
    
    .table-responsive {
        border-radius: 10px;
    }
    
    /* Fix mobile layout issues */
    .container {
        max-width: 100% !important;
        padding-left: 15px !important;
        padding-right: 15px !important;
    }
    
    .navbar-collapse {
        flex-basis: 100%;
        flex-grow: 1;
        align-items: center;
    }
    
    .d-flex.justify-content-between {
        flex-direction: column;
        gap: 1rem;
    }
    
    .d-flex.justify-content-between > div {
        display: flex;
        flex-wrap: wrap;
        gap: 0.5rem;
    }
    
    .row {
        margin-left: 0;
        margin-right: 0;
    }
    
    [class*="col-"] {
        padding-left: 8px;
        padding-right: 8px;
    }
}

.loading-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255,255,255,.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.fade-in {
    animation: fadeIn 0.5s ease-in;
}

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