/* Main Styles */
:root {
    --primary-color: #0d6efd;
    --secondary-color: #6c757d;
    --success-color: #198754;
    --info-color: #0dcaf0;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --light-color: #f8f9fa;
    --dark-color: #212529;
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-success: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --gradient-warning: linear-gradient(135deg, #fdbb2d 0%, #22c1c3 100%);
    --shadow-sm: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    --shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 1rem 3rem rgba(0, 0, 0, 0.175);
}

* {
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--dark-color);
    background-color: #ffffff;
}

/* Fixed Header */
.navbar {
    position: fixed;
    top: 0;
    right: 0;
    left: 0;
    z-index: 1030;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease-in-out;
}

/* Add padding to body to account for fixed navbar */
body {
    padding-top: 56px;
}

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

.navbar-dark .navbar-nav .nav-link {
    color: rgba(255, 255, 255, 0.9);
    transition: color 0.15s ease-in-out;
}

.navbar-dark .navbar-nav .nav-link:hover {
    color: #fff;
}

/* Hero Section */
.hero-section {
    background: var(--gradient-primary);
    color: white;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="1" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.1;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-features {
    list-style: none;
    padding: 0;
}

.feature-item {
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.hero-image {
    position: relative;
    z-index: 2;
}

.assessment-preview-card {
    transform: perspective(1000px) rotateY(-5deg) rotateX(5deg);
    transition: transform 0.3s ease;
}

.assessment-preview-card:hover {
    transform: perspective(1000px) rotateY(0deg) rotateX(0deg);
}

/* Features Section */
.features-section {
    background-color: #f8f9fa;
}

.feature-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: none;
    border-radius: 12px;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    transition: transform 0.3s ease;
}

.feature-card:hover .feature-icon {
    transform: scale(1.1);
}

/* Card Enhancements */
.card {
    border: none;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    transition: box-shadow 0.3s ease;
}

.card:hover {
    box-shadow: var(--shadow);
}

.card-header {
    background-color: transparent;
    border-bottom: 1px solid rgba(0, 0, 0, 0.125);
    font-weight: 600;
}

/* Button Enhancements */
.btn {
    border-radius: 8px;
    font-weight: 500;
    transition: all 0.15s ease-in-out;
}

.btn-primary {
    background: var(--gradient-primary);
    border: none;
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow);
}

.btn-success {
    background: var(--gradient-success);
    border: none;
}

.btn-warning {
    background: var(--gradient-warning);
    border: none;
    color: var(--dark-color);
}

/* Form Enhancements */
.form-control, .form-select {
    border-radius: 8px;
    border: 1px solid #e0e6ed;
    padding: 0.75rem 1rem;
    transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25);
}

.input-group-text {
    background-color: #f8f9fa;
    border: 1px solid #e0e6ed;
    border-radius: 8px 0 0 8px;
}

/* Progress Bar */
.progress {
    height: 8px;
    border-radius: 4px;
    background-color: #e9ecef;
}

.progress-bar {
    border-radius: 4px;
    transition: width 0.6s ease;
}

/* Badge Enhancements */
.badge {
    font-weight: 500;
    border-radius: 6px;
    padding: 0.5em 0.75em;
}

/* Alert Enhancements */
.alert {
    border: none;
    border-radius: 8px;
    border-left: 4px solid;
}

.alert-primary {
    border-left-color: var(--primary-color);
}

.alert-success {
    border-left-color: var(--success-color);
}

.alert-warning {
    border-left-color: var(--warning-color);
}

.alert-danger {
    border-left-color: var(--danger-color);
}

.alert-info {
    border-left-color: var(--info-color);
}

/* Table Enhancements */
.table {
    border-radius: 8px;
    overflow: hidden;
}

.table thead th {
    border-bottom: 2px solid #dee2e6;
    font-weight: 600;
    background-color: #f8f9fa;
}

.table-striped > tbody > tr:nth-of-type(odd) > td {
    background-color: rgba(0, 0, 0, 0.02);
}

/* Modal Enhancements */
.modal-content {
    border: none;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
}

.modal-header {
    border-bottom: 1px solid rgba(0, 0, 0, 0.125);
}

.modal-footer {
    border-top: 1px solid rgba(0, 0, 0, 0.125);
}

/* Loading Animations */
.loading-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 1s ease-in-out infinite;
}

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

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

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

/* Slide In Animation */
.slide-in {
    animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
    from { transform: translateX(-100%); }
    to { transform: translateX(0); }
}

/* Utility Classes */
.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.shadow-custom {
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.rounded-custom {
    border-radius: 12px;
}

.bg-gradient-primary {
    background: var(--gradient-primary);
}

.bg-gradient-success {
    background: var(--gradient-success);
}

.bg-gradient-warning {
    background: var(--gradient-warning);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-section {
        padding: 2rem 0;
    }
    
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .hero-actions .btn {
        display: block;
        width: 100%;
        margin-bottom: 1rem;
    }
    
    .feature-card {
        margin-bottom: 2rem;
    }
    
    .stats-card .card-body {
        text-align: center;
    }
}

@media (max-width: 576px) {
    .container-fluid {
        padding-left: 1rem;
        padding-right: 1rem;
    }
    
    .card {
        margin-bottom: 1rem;
    }
    
    .btn-toolbar {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .btn-toolbar .btn {
        width: 100%;
    }
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #a8a8a8;
}

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

/* High contrast mode support */
@media (prefers-contrast: high) {
    .card {
        border: 1px solid var(--dark-color);
    }
    
    .btn {
        border: 1px solid currentColor;
    }
}

/* 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;
    }
}

/* Likert Scale Results Styling */
.subscale-results {
    background-color: #f8f9fa;
    border-radius: 8px;
    padding: 1rem;
    margin-bottom: 1rem;
}

.subscale-results .row {
    border-bottom: 1px solid #dee2e6;
    padding: 0.5rem 0;
}

.subscale-results .row:last-child {
    border-bottom: none;
}

.subscale-results .col-md-6 strong {
    color: #495057;
    font-size: 0.95rem;
}

.subscale-results .col-md-3 .fw-bold {
    font-size: 1.1rem;
}

.score-badge {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-weight: 600;
    font-size: 0.875rem;
}

.score-badge.excellent {
    background-color: #d4edda;
    color: #155724;
}

.score-badge.good {
    background-color: #d1ecf1;
    color: #0c5460;
}

.score-badge.average {
    background-color: #fff3cd;
    color: #856404;
}

.score-badge.poor {
    background-color: #f8d7da;
    color: #721c24;
}

/* Modal styling for assessment results */
.modal-lg .modal-body {
    max-height: 70vh;
    overflow-y: auto;
}

.modal-lg .subscale-results {
    max-height: 300px;
    overflow-y: auto;
}

/* Overall Rating Styling */
.overall-rating {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.rating-label {
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.rating-label.excellent {
    background-color: #d4edda;
    color: #155724;
}

.rating-label.good {
    background-color: #d1ecf1;
    color: #0c5460;
}

.rating-label.average {
    background-color: #fff3cd;
    color: #856404;
}

.rating-label.below-average {
    background-color: #f8d7da;
    color: #721c24;
}

.rating-label.poor {
    background-color: #f5c6cb;
    color: #721c24;
}

.star-rating {
    display: flex;
    gap: 0.1rem;
}

.star-rating i {
    font-size: 0.75rem;
}

.star-rating-large {
    display: flex;
    gap: 0.25rem;
    margin-top: 0.5rem;
}

.star-rating-large i {
    font-size: 1.25rem;
}

.overall-rating-display {
    background-color: #f8f9fa;
    border-radius: 8px;
    padding: 1rem;
    border: 1px solid #dee2e6;
}

.rating-summary {
    text-align: center;
}

.rating-header {
    margin-bottom: 0.5rem;
}

.rating-header strong {
    color: #495057;
    font-size: 0.9rem;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .overall-rating {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.25rem;
    }
    
    .star-rating-large i {
        font-size: 1rem;
    }
    
    .rating-label {
        font-size: 0.7rem;
        padding: 0.2rem 0.4rem;
    }
}

/* Stat Cards Styling */
.stat-card {
    background-color: #f8f9fa;
    border-radius: 8px;
    padding: 1.5rem;
    border: 1px solid #dee2e6;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.stat-icon {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: #495057;
    margin-bottom: 0.25rem;
}

.stat-label {
    font-size: 0.875rem;
    color: #6c757d;
    font-weight: 500;
}