/* Swiss Style Design System */
:root {
    /* Color Palette */
    --primary-color: #1A535C;
    --secondary-color: #4ECDC4;
    --background-color: #F7FFF7;
    --accent-color: #FF6B6B;
    --warning-color: #FFE66D;
    
    /* Typography */
    --font-primary: 'Helvetica Neue', Arial, sans-serif;
    --font-weight-regular: 400;
    --font-weight-medium: 500;
    --font-weight-bold: 700;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-xxl: 3rem;
    
    /* Border Radius */
    --border-radius-sm: 0.25rem;
    --border-radius-md: 0.5rem;
    --border-radius-lg: 1rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
    
    /* Transitions */
    --transition-fast: 0.15s ease-in-out;
    --transition-normal: 0.3s ease-in-out;
    --transition-slow: 0.5s ease-in-out;
}

/* Dark Mode Variables */
[data-theme="dark"] {
    --primary-color: #4ECDC4;
    --secondary-color: #1A535C;
    --background-color: #1a1a1a;
    --accent-color: #FF6B6B;
    --warning-color: #FFE66D;
    --text-color: #f8f9fa;
    --card-bg: #2d2d2d;
    --border-color: #444;
}

/* Base Styles */
* {
    box-sizing: border-box;
}

body {
    font-family: var(--font-primary);
    background-color: var(--background-color);
    color: var(--primary-color);
    line-height: 1.6;
    margin: 0;
    padding: 0;
    transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

.display-1, .display-2, .display-3, .display-4, .display-5, .display-6 {
    font-weight: var(--font-weight-bold);
}

p {
    margin-bottom: var(--spacing-md);
}

.lead {
    font-size: 1.25rem;
    font-weight: var(--font-weight-regular);
}

/* Navigation */
.navbar {
    backdrop-filter: blur(10px);
    background-color: rgba(247, 255, 247, 0.95) !important;
    border-bottom: 1px solid rgba(26, 83, 92, 0.1);
    transition: all var(--transition-normal);
}

[data-theme="dark"] .navbar {
    background-color: rgba(45, 45, 45, 0.95) !important;
    border-bottom: 1px solid rgba(78, 205, 196, 0.1);
}

.navbar-brand {
    font-weight: var(--font-weight-bold);
    color: var(--primary-color) !important;
    font-size: 1.5rem;
}

.nav-link {
    font-weight: var(--font-weight-medium);
    color: var(--primary-color) !important;
    transition: color var(--transition-fast);
}

.nav-link:hover {
    color: var(--secondary-color) !important;
}

/* Buttons */
.btn {
    font-weight: var(--font-weight-medium);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-sm) var(--spacing-lg);
    transition: all var(--transition-fast);
    border: none;
}

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

.btn-primary:hover {
    background-color: var(--secondary-color);
    border-color: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.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);
    color: white;
}

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

.btn-outline-secondary:hover {
    background-color: var(--secondary-color);
    border-color: var(--secondary-color);
    color: white;
}

/* Cards */
.card {
    border: none;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
    background-color: white;
}

[data-theme="dark"] .card {
    background-color: var(--card-bg);
    color: var(--text-color);
}

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

.card-header {
    background-color: transparent;
    border-bottom: 1px solid rgba(26, 83, 92, 0.1);
    font-weight: var(--font-weight-bold);
}

[data-theme="dark"] .card-header {
    border-bottom: 1px solid rgba(78, 205, 196, 0.1);
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, var(--background-color) 0%, rgba(78, 205, 196, 0.1) 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
}

.hero-image .card {
    border: 3px solid var(--secondary-color);
    background: linear-gradient(135deg, white 0%, rgba(78, 205, 196, 0.05) 100%);
}

/* Features Section */
.features-section {
    padding: var(--spacing-xxl) 0;
}

.features-section .card {
    height: 100%;
    transition: all var(--transition-normal);
}

.features-section .card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

/* Simulator Section */
.simulator-section {
    padding: var(--spacing-xxl) 0;
    background-color: rgba(247, 255, 247, 0.5);
}

[data-theme="dark"] .simulator-section {
    background-color: rgba(26, 26, 26, 0.5);
}

/* Form Styles */
.form-check {
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-md);
    border-radius: var(--border-radius-md);
    transition: background-color var(--transition-fast);
}

.form-check:hover {
    background-color: rgba(78, 205, 196, 0.05);
}

.form-check-input {
    margin-top: 0.25rem;
}

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

.form-check-label {
    font-weight: var(--font-weight-medium);
    cursor: pointer;
}

/* Infraction Categories */
.infraction-category {
    margin-bottom: var(--spacing-xl);
}

.category-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md);
    background-color: rgba(78, 205, 196, 0.1);
    border-radius: var(--border-radius-md);
    margin-bottom: var(--spacing-md);
}

.category-badge {
    font-size: 0.875rem;
    font-weight: var(--font-weight-bold);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-sm);
}

.badge-light { background-color: #17a2b8; color: white; }
.badge-medium { background-color: var(--warning-color); color: var(--primary-color); }
.badge-serious { background-color: #fd7e14; color: white; }
.badge-very-serious { background-color: var(--accent-color); color: white; }

/* Progress Bars */
.progress {
    height: 20px;
    border-radius: var(--border-radius-md);
    background-color: rgba(26, 83, 92, 0.1);
}

.progress-bar {
    border-radius: var(--border-radius-md);
    transition: width var(--transition-slow);
}

.progress-safe { background-color: #28a745; }
.progress-warning { background-color: var(--warning-color); }
.progress-danger { background-color: var(--accent-color); }

/* Results Panel */
.results-summary {
    text-align: center;
    padding: var(--spacing-xl);
}

.points-display {
    font-size: 3rem;
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-md);
}

.points-safe { color: #28a745; }
.points-warning { color: #ffc107; }
.points-danger { color: var(--accent-color); }

.status-badge {
    font-size: 1.25rem;
    font-weight: var(--font-weight-bold);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    display: inline-block;
    margin-bottom: var(--spacing-md);
}

.status-safe {
    background-color: rgba(40, 167, 69, 0.1);
    color: #28a745;
    border: 2px solid #28a745;
}

.status-warning {
    background-color: rgba(255, 193, 7, 0.1);
    color: #856404;
    border: 2px solid #ffc107;
}

.status-danger {
    background-color: rgba(255, 107, 107, 0.1);
    color: var(--accent-color);
    border: 2px solid var(--accent-color);
}

/* Statistics Section */
.statistics-section {
    padding: var(--spacing-xxl) 0;
    background-color: rgba(78, 205, 196, 0.05);
}

[data-theme="dark"] .statistics-section {
    background-color: rgba(78, 205, 196, 0.02);
}

/* Offcanvas */
.offcanvas {
    background-color: white;
    width: 400px !important;
}

[data-theme="dark"] .offcanvas {
    background-color: var(--card-bg);
    color: var(--text-color);
}

.offcanvas-header {
    border-bottom: 1px solid rgba(26, 83, 92, 0.1);
}

[data-theme="dark"] .offcanvas-header {
    border-bottom: 1px solid rgba(78, 205, 196, 0.1);
}

/* Accordion */
.accordion-item {
    border: 1px solid rgba(26, 83, 92, 0.1);
    border-radius: var(--border-radius-md) !important;
    margin-bottom: var(--spacing-sm);
}

[data-theme="dark"] .accordion-item {
    border-color: rgba(78, 205, 196, 0.1);
    background-color: var(--card-bg);
}

.accordion-button {
    background-color: transparent;
    border: none;
    font-weight: var(--font-weight-medium);
    color: var(--primary-color);
}

[data-theme="dark"] .accordion-button {
    color: var(--text-color);
}

.accordion-button:not(.collapsed) {
    background-color: rgba(78, 205, 196, 0.1);
    color: var(--primary-color);
}

.accordion-body {
    background-color: white;
}

[data-theme="dark"] .accordion-body {
    background-color: var(--card-bg);
    color: var(--text-color);
}

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

[data-theme="dark"] .modal-content {
    background-color: var(--card-bg);
    color: var(--text-color);
}

.modal-header {
    border-bottom: 1px solid rgba(26, 83, 92, 0.1);
}

[data-theme="dark"] .modal-header {
    border-bottom: 1px solid rgba(78, 205, 196, 0.1);
}

.modal-footer {
    border-top: 1px solid rgba(26, 83, 92, 0.1);
}

[data-theme="dark"] .modal-footer {
    border-top: 1px solid rgba(78, 205, 196, 0.1);
}

/* Footer */
.footer {
    background-color: var(--primary-color);
    color: white;
    margin-top: var(--spacing-xxl);
}

.footer a {
    color: var(--secondary-color);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer a:hover {
    color: white;
}

/* Ad Banners */
.ad-banner {
    margin: var(--spacing-lg) 0;
}

.ad-banner .card {
    border: 1px dashed rgba(26, 83, 92, 0.2);
    background-color: rgba(247, 255, 247, 0.5);
}

[data-theme="dark"] .ad-banner .card {
    border-color: rgba(78, 205, 196, 0.2);
    background-color: rgba(45, 45, 45, 0.5);
}

/* Loading States */
.spinner-border {
    width: 3rem;
    height: 3rem;
}

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

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

.fade-in {
    animation: fadeIn var(--transition-slow) ease-out;
}

.slide-in {
    animation: slideIn var(--transition-slow) ease-out;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-section {
        text-align: center;
        padding-top: 100px;
    }
    
    .display-4 {
        font-size: 2rem;
    }
    
    .lead {
        font-size: 1.1rem;
    }
    
    .btn-lg {
        padding: var(--spacing-md) var(--spacing-lg);
        font-size: 1rem;
    }
    
    .offcanvas {
        width: 100% !important;
    }
    
    .card {
        margin-bottom: var(--spacing-lg);
    }
    
    .simulator-section .col-lg-4 .card {
        position: static !important;
    }
}

@media (max-width: 576px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .hero-section {
        min-height: auto;
        padding: var(--spacing-xxl) 0;
    }
    
    .features-section,
    .simulator-section,
    .statistics-section {
        padding: var(--spacing-xl) 0;
    }
    
    .points-display {
        font-size: 2rem;
    }
    
    .status-badge {
        font-size: 1rem;
        padding: var(--spacing-xs) var(--spacing-md);
    }
}

/* Print Styles */
@media print {
    .navbar,
    .offcanvas,
    .modal,
    .ad-banner,
    .btn,
    .footer {
        display: none !important;
    }
    
    body {
        background-color: white !important;
        color: black !important;
    }
    
    .card {
        box-shadow: none !important;
        border: 1px solid #ddd !important;
    }
}

/* 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 States */
.btn:focus,
.form-check-input:focus,
.nav-link:focus {
    outline: 2px solid var(--secondary-color);
    outline-offset: 2px;
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    :root {
        --primary-color: #000000;
        --secondary-color: #0066cc;
        --background-color: #ffffff;
        --accent-color: #cc0000;
        --warning-color: #ff9900;
    }
}

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

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

::-webkit-scrollbar-track {
    background: var(--background-color);
}

::-webkit-scrollbar-thumb {
    background: var(--secondary-color);
    border-radius: var(--border-radius-md);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-color);
}

/* Utility Classes */
.text-primary-custom { color: var(--primary-color) !important; }
.text-secondary-custom { color: var(--secondary-color) !important; }
.bg-primary-custom { background-color: var(--primary-color) !important; }
.bg-secondary-custom { background-color: var(--secondary-color) !important; }
.border-primary-custom { border-color: var(--primary-color) !important; }
.border-secondary-custom { border-color: var(--secondary-color) !important; }

/* Theme Toggle */
#theme-toggle {
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

#theme-toggle:hover {
    transform: rotate(180deg);
}

/* Sticky Elements */
.sticky-top {
    position: -webkit-sticky;
    position: sticky;
    z-index: 1020;
}

/* Grid System Enhancements */
.row {
    margin-left: calc(-1 * var(--spacing-md));
    margin-right: calc(-1 * var(--spacing-md));
}

.row > * {
    padding-left: var(--spacing-md);
    padding-right: var(--spacing-md);
}

/* Component Spacing */
.section-spacing {
    padding: var(--spacing-xxl) 0;
}

.component-spacing {
    margin-bottom: var(--spacing-xl);
}

/* Interactive Elements */
.interactive:hover {
    cursor: pointer;
    transform: scale(1.02);
    transition: transform var(--transition-fast);
}

/* Loading Overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.loading-overlay.hidden {
    display: none;
}