/* Custom styles for Threat-Aware Training Recommender */

:root {
    --primary-color: #0d6efd;
    --secondary-color: #6c757d;
    --success-color: #198754;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --info-color: #0dcaf0;
    --light-color: #f8f9fa;
    --dark-color: #212529;
    
    --border-radius: 0.375rem;
    --box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    --box-shadow-lg: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
}

/* Body and Typography */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f8f9fa;
    line-height: 1.6;
}

/* Arabic RTL Support */
body[dir="rtl"] {
    text-align: right;
    font-family: 'Segoe UI', 'Arial Unicode MS', Tahoma, Geneva, Verdana, sans-serif;
}

body[dir="rtl"] .navbar-brand {
    margin-left: auto;
    margin-right: 0;
}

body[dir="rtl"] .ms-auto {
    margin-left: 0 !important;
    margin-right: auto !important;
}

body[dir="rtl"] .me-2 {
    margin-right: 0 !important;
    margin-left: 0.5rem !important;
}

/* Enhanced Cards */
.card {
    border: none;
    box-shadow: var(--box-shadow);
    transition: all 0.3s ease;
    border-radius: var(--border-radius);
}

.card:hover {
    box-shadow: var(--box-shadow-lg);
    transform: translateY(-2px);
}

.card-header {
    border-bottom: none;
    border-radius: var(--border-radius) var(--border-radius) 0 0 !important;
}

/* Form Enhancements */
.form-control {
    border: 2px solid #e9ecef;
    border-radius: var(--border-radius);
    padding: 0.75rem 1rem;
    transition: all 0.3s ease;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.15);
    transform: scale(1.01);
}

.form-label {
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: 0.75rem;
}

/* Button Enhancements */
.btn {
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.btn-primary {
    background: linear-gradient(135deg, #0d6efd 0%, #0b5ed7 100%);
    border-color: #0d6efd;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #0b5ed7 0%, #0a58ca 100%);
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(13, 110, 253, 0.3);
}

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

.btn-outline-primary:hover {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    transform: translateY(-1px);
}

/* Navigation Enhancements */
.navbar {
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    padding: 1rem 0;
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
    text-decoration: none;
}

.navbar-brand:hover {
    transform: scale(1.05);
    transition: transform 0.3s ease;
}

/* Accordion Enhancements */
.accordion-item {
    border: 1px solid #dee2e6;
    margin-bottom: 1rem;
    border-radius: var(--border-radius) !important;
    overflow: hidden;
}

.accordion-button {
    background-color: #f8f9fa;
    border: none;
    color: var(--dark-color);
    font-weight: 600;
    padding: 1.25rem 1.5rem;
}

.accordion-button:not(.collapsed) {
    background-color: var(--primary-color);
    color: white;
    box-shadow: none;
}

.accordion-button:focus {
    box-shadow: none;
    border-color: transparent;
}

.accordion-button::after {
    filter: brightness(0) invert(1);
}

.accordion-button:not(.collapsed)::after {
    filter: brightness(0) invert(1);
}

.accordion-body {
    padding: 1.5rem;
    background-color: #fdfdfd;
}

/* Status Badges */
.badge {
    font-size: 0.75rem;
    font-weight: 500;
    padding: 0.5rem 0.75rem;
    border-radius: 1rem;
}

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

/* File Upload Enhancement */
.form-control[type="file"] {
    padding: 0.5rem;
    cursor: pointer;
}

.form-control[type="file"]::-webkit-file-upload-button {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 0.375rem 0.75rem;
    margin-right: 0.75rem;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all 0.3s ease;
}

.form-control[type="file"]::-webkit-file-upload-button:hover {
    background: #0b5ed7;
    transform: translateY(-1px);
}

/* Textarea Enhancements */
textarea.form-control {
    resize: vertical;
    min-height: 120px;
}

textarea.form-control:focus {
    min-height: 150px;
}

/* Alert Enhancements */
.alert {
    border: none;
    border-radius: var(--border-radius);
    border-left: 4px solid;
}

.alert-danger {
    border-left-color: var(--danger-color);
    background-color: #f8d7da;
    color: #721c24;
}

.alert-success {
    border-left-color: var(--success-color);
    background-color: #d1e7dd;
    color: #0f5132;
}

.alert-info {
    border-left-color: var(--info-color);
    background-color: #d1ecf1;
    color: #0c5460;
}

/* Footer */
footer {
    margin-top: auto;
    border-top: 1px solid #dee2e6;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 1rem;
    }
    
    .card-body {
        padding: 1rem;
    }
    
    .btn-lg {
        padding: 0.75rem 1.5rem;
        font-size: 1rem;
    }
    
    .navbar-brand {
        font-size: 1.25rem;
    }
    
    .accordion-button {
        padding: 1rem;
    }
    
    .accordion-body {
        padding: 1rem;
    }
}

@media (max-width: 576px) {
    .col-md-3 {
        margin-bottom: 1rem;
    }
    
    .d-flex.justify-content-between {
        flex-direction: column;
        align-items: flex-start !important;
        gap: 1rem;
    }
    
    .btn-group {
        flex-direction: column;
        width: 100%;
    }
    
    .btn-group .btn {
        margin-bottom: 0.5rem;
        border-radius: var(--border-radius) !important;
    }
}

/* Print Styles */
@media print {
    body {
        background-color: white !important;
        font-size: 12pt;
        line-height: 1.4;
    }
    
    .navbar,
    .btn,
    .btn-group,
    footer {
        display: none !important;
    }
    
    .card {
        border: 1px solid #ddd !important;
        box-shadow: none !important;
        page-break-inside: avoid;
        margin-bottom: 1rem;
    }
    
    .accordion-collapse {
        display: block !important;
    }
    
    .accordion-button {
        background-color: #f5f5f5 !important;
        color: black !important;
    }
    
    h1, h2, h3, h4, h5, h6 {
        page-break-after: avoid;
    }
}

/* Animation Classes */
.fade-in {
    animation: fadeIn 0.5s ease-in;
}

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

.slide-up {
    animation: slideUp 0.6s ease-out;
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Focus States for Accessibility */
.btn:focus,
.form-control:focus,
.accordion-button:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
    .card {
        border: 2px solid var(--dark-color);
    }
    
    .btn-outline-primary {
        border-width: 2px;
    }
    
    .form-control {
        border-width: 2px;
    }
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}