/* Custom CSS for BOS Recommendation Platform */
/* Built on top of Bootstrap Dark Theme */

/* Root variables for consistency */
:root {
    --bos-primary: var(--bs-info);
    --bos-secondary: var(--bs-secondary);
    --bos-success: var(--bs-success);
    --bos-warning: var(--bs-warning);
    --bos-danger: var(--bs-danger);
    --bos-card-bg: var(--bs-dark);
    --bos-border-color: var(--bs-border-color);
}

/* Body and base styling */
body {
    background-color: var(--bs-body-bg);
    color: var(--bs-body-color);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

/* Navigation enhancements */
.navbar-brand {
    font-weight: 600;
    font-size: 1.25rem;
}

.navbar-nav .nav-link {
    transition: color 0.3s ease;
}

.navbar-nav .nav-link:hover {
    color: var(--bs-info) !important;
}

/* Card enhancements */
.card {
    border-color: var(--bos-border-color);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    transition: box-shadow 0.3s ease;
}

.card:hover {
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

.card-header {
    background-color: var(--bs-gray-800);
    border-bottom: 1px solid var(--bos-border-color);
    font-weight: 600;
}

/* Button enhancements */
.btn {
    transition: all 0.3s ease;
    border-radius: 0.375rem;
}

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

.btn-info:hover {
    background-color: var(--bs-cyan);
    border-color: var(--bs-cyan);
    transform: translateY(-1px);
}

.btn-outline-secondary:hover {
    transform: translateY(-1px);
}

/* Form enhancements */
.form-control, .form-select {
    background-color: var(--bs-dark);
    border-color: var(--bos-border-color);
    color: var(--bs-body-color);
}

.form-control:focus, .form-select:focus {
    border-color: var(--bs-info);
    box-shadow: 0 0 0 0.2rem rgba(var(--bs-info-rgb), 0.25);
}

.form-check-input:checked {
    background-color: var(--bs-info);
    border-color: var(--bs-info);
}

/* Assessment specific styling */
.assessment-step {
    background: linear-gradient(135deg, var(--bs-dark) 0%, var(--bs-gray-800) 100%);
    border-radius: 0.5rem;
    padding: 2rem;
    margin-bottom: 2rem;
}

.progress-bar {
    transition: width 0.6s ease;
}

/* Range slider styling */
.form-range {
    background: transparent;
}

.form-range::-webkit-slider-track {
    background: var(--bs-gray-600);
    border-radius: 0.25rem;
}

.form-range::-webkit-slider-thumb {
    background: var(--bs-info);
    border: none;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.form-range::-webkit-slider-thumb:hover {
    background: var(--bs-cyan);
    transform: scale(1.1);
}

.form-range::-moz-range-track {
    background: var(--bs-gray-600);
    border-radius: 0.25rem;
}

.form-range::-moz-range-thumb {
    background: var(--bs-info);
    border: none;
    border-radius: 50%;
    transition: all 0.3s ease;
}

/* Star rating styling */
.star-rating {
    cursor: pointer;
    font-size: 1.5rem;
    display: inline-block;
}

.star-rating i {
    color: var(--bs-gray-500);
    transition: color 0.2s ease;
    margin-right: 0.25rem;
}

.star-rating i:hover,
.star-rating i.active {
    color: var(--bs-info);
}

/* Dashboard specific styling */
.dashboard-card {
    background: var(--bs-dark);
    border: 1px solid var(--bos-border-color);
    border-radius: 0.5rem;
    padding: 1.5rem;
    height: 100%;
}

.dashboard-stat {
    text-align: center;
    padding: 1rem;
}

.dashboard-stat .stat-icon {
    font-size: 2.5rem;
    opacity: 0.8;
    margin-bottom: 0.5rem;
}

.dashboard-stat .stat-value {
    font-size: 2rem;
    font-weight: 700;
    line-height: 1;
}

.dashboard-stat .stat-label {
    font-size: 0.875rem;
    opacity: 0.8;
    margin-top: 0.25rem;
}

/* Chart containers */
.chart-container {
    position: relative;
    height: 300px;
    margin: 1rem 0;
}

/* Recommendation page styling */
.recommendation-header {
    background: linear-gradient(135deg, var(--bs-info) 0%, var(--bs-cyan) 100%);
    color: white;
    padding: 2rem;
    border-radius: 0.5rem;
    margin-bottom: 2rem;
}

.framework-badge {
    background: var(--bs-info);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    font-weight: 600;
    display: inline-block;
    margin-bottom: 1rem;
}

.component-card {
    background: var(--bs-dark);
    border: 1px solid var(--bos-border-color);
    border-radius: 0.375rem;
    padding: 1.5rem;
    margin-bottom: 1rem;
    transition: border-color 0.3s ease;
}

.component-card:hover {
    border-color: var(--bs-info);
}

.component-category {
    color: var(--bs-info);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.875rem;
    margin-bottom: 1rem;
}

/* Implementation roadmap styling */
.roadmap-phase {
    background: var(--bs-dark);
    border: 1px solid var(--bos-border-color);
    border-radius: 0.375rem;
    padding: 1.5rem;
    margin-bottom: 1rem;
}

.roadmap-phase h6 {
    color: var(--bs-info);
    font-weight: 600;
    margin-bottom: 1rem;
}

.roadmap-task {
    display: flex;
    align-items: center;
    margin-bottom: 0.5rem;
}

.roadmap-task i {
    color: var(--bs-success);
    margin-right: 0.5rem;
}

/* Admin panel styling */
.admin-header {
    background: var(--bs-dark);
    border-bottom: 1px solid var(--bos-border-color);
    padding: 1rem 0;
    margin-bottom: 2rem;
}

.admin-table {
    background: var(--bs-dark);
    border-radius: 0.375rem;
    overflow: hidden;
}

.admin-table th {
    background: var(--bs-gray-800);
    border-bottom: 1px solid var(--bos-border-color);
    color: var(--bs-body-color);
    font-weight: 600;
}

.admin-table td {
    border-bottom: 1px solid var(--bos-border-color);
    vertical-align: middle;
}

.admin-table tr:hover {
    background: var(--bs-gray-800);
}

/* Loading states */
.loading {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 200px;
}

.loading-spinner {
    border: 4px solid var(--bs-gray-600);
    border-top: 4px solid var(--bs-info);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Error states */
.error-message {
    background: var(--bs-danger);
    color: white;
    padding: 1rem;
    border-radius: 0.375rem;
    margin-bottom: 1rem;
}

.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--bs-gray-500);
}

.empty-state i {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

/* Mobile responsiveness */
@media (max-width: 768px) {
    .dashboard-stat {
        margin-bottom: 1rem;
    }
    
    .assessment-step {
        padding: 1rem;
    }
    
    .recommendation-header {
        padding: 1rem;
    }
    
    .chart-container {
        height: 250px;
    }
}

/* Accessibility enhancements */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Focus styles */
.btn:focus,
.form-control:focus,
.form-select:focus,
.form-check-input:focus {
    outline: 2px solid var(--bs-info);
    outline-offset: 2px;
}

/* Print styles */
@media print {
    .navbar,
    .btn,
    .card-header,
    .admin-header {
        display: none !important;
    }
    
    .card {
        border: 1px solid #000;
        box-shadow: none;
    }
    
    body {
        background: white !important;
        color: black !important;
    }
}