/**
 * Calculateur Indemnités Kilométriques Pro
 * Feuille de styles principale
 * 
 * @package CalculateurKM
 * @version 1.0.0
 */

/* ===================================
   Variables CSS
   =================================== */
:root {
    /* Couleurs principales */
    --ckm-primary: #667eea;
    --ckm-primary-dark: #5a67d8;
    --ckm-primary-light: #7c8ff0;
    --ckm-secondary: #764ba2;
    --ckm-success: #27ae60;
    --ckm-error: #e74c3c;
    --ckm-warning: #f39c12;
    
    /* Couleurs neutres */
    --ckm-gray-100: #f8f9fa;
    --ckm-gray-200: #e9ecef;
    --ckm-gray-300: #dee2e6;
    --ckm-gray-400: #ced4da;
    --ckm-gray-500: #adb5bd;
    --ckm-gray-600: #6c757d;
    --ckm-gray-700: #495057;
    --ckm-gray-800: #343a40;
    --ckm-gray-900: #212529;
    
    /* Espacements */
    --ckm-spacing-xs: 0.25rem;
    --ckm-spacing-sm: 0.5rem;
    --ckm-spacing-md: 1rem;
    --ckm-spacing-lg: 1.5rem;
    --ckm-spacing-xl: 2rem;
    --ckm-spacing-xxl: 3rem;
    
    /* Typographie */
    --ckm-font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --ckm-font-size-base: 16px;
    --ckm-line-height: 1.5;
    
    /* Bordures */
    --ckm-border-radius: 12px;
    --ckm-border-radius-sm: 8px;
    --ckm-border-radius-lg: 20px;
    
    /* Ombres */
    --ckm-shadow-sm: 0 2px 4px rgba(0,0,0,0.05);
    --ckm-shadow-md: 0 4px 12px rgba(0,0,0,0.1);
    --ckm-shadow-lg: 0 10px 30px rgba(0,0,0,0.15);
    --ckm-shadow-xl: 0 20px 60px rgba(0,0,0,0.2);
    
    /* Transitions */
    --ckm-transition: all 0.3s ease;
    --ckm-transition-fast: all 0.15s ease;
}

/* ===================================
   Container principal
   =================================== */
.ckm-select:focus,
.ckm-input:focus {
    outline: none;
    border-color: var(--ckm-primary);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.ckm-select.error,
.ckm-input.error {
    border-color: var(--ckm-error);
}

/* Distance input */
.ckm-distance-input {
    position: relative;
    margin-bottom: var(--ckm-spacing-md);
}

.ckm-unit {
    position: absolute;
    right: var(--ckm-spacing-lg);
    top: 50%;
    transform: translateY(-50%);
    color: var(--ckm-gray-600);
    font-weight: 600;
    pointer-events: none;
}

/* Quick values */
.ckm-quick-values {
    display: flex;
    align-items: center;
    gap: var(--ckm-spacing-sm);
    flex-wrap: wrap;
}

.ckm-quick-label {
    color: var(--ckm-gray-600);
    font-size: 0.875rem;
}

.ckm-quick-btn {
    padding: var(--ckm-spacing-sm) var(--ckm-spacing-md);
    border: 2px solid var(--ckm-primary);
    background: transparent;
    color: var(--ckm-primary);
    border-radius: 20px;
    cursor: pointer;
    transition: var(--ckm-transition);
    font-weight: 600;
    font-size: 0.875rem;
}

.ckm-quick-btn:hover {
    background: var(--ckm-primary);
    color: white;
    transform: translateY(-2px);
}

/* Help text */
.ckm-help-text {
    display: flex;
    align-items: center;
    gap: var(--ckm-spacing-sm);
    margin-top: var(--ckm-spacing-sm);
    padding: var(--ckm-spacing-sm);
    background: var(--ckm-gray-100);
    border-radius: var(--ckm-border-radius-sm);
    font-size: 0.875rem;
    color: var(--ckm-gray-700);
}

.ckm-help-icon {
    font-size: 1.125rem;
}

/* ===================================
   Navigation
   =================================== */
.ckm-navigation {
    display: flex;
    justify-content: space-between;
    gap: var(--ckm-spacing-md);
    margin-top: var(--ckm-spacing-xl);
}

.ckm-btn {
    padding: var(--ckm-spacing-md) var(--ckm-spacing-xl);
    border: none;
    border-radius: var(--ckm-border-radius-sm);
    font-size: 1.0625rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--ckm-transition);
    display: inline-flex;
    align-items: center;
    gap: var(--ckm-spacing-sm);
    font-family: inherit;
}

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

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

.ckm-btn-secondary {
    background: var(--ckm-gray-200);
    color: var(--ckm-gray-700);
}

.ckm-btn-secondary:hover {
    background: var(--ckm-gray-300);
}

.ckm-btn-calculate {
    flex: 1;
    background: linear-gradient(45deg, #f093fb 0%, #f5576c 100%);
    color: white;
    font-size: 1.25rem;
    box-shadow: 0 10px 30px rgba(240, 147, 251, 0.3);
}

.ckm-btn-calculate:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(240, 147, 251, 0.4);
}

.ckm-btn-calculate.pulse {
    animation: pulse 1s ease-in-out infinite;
}

.ckm-btn-action {
    padding: var(--ckm-spacing-sm) var(--ckm-spacing-md);
    font-size: 0.9375rem;
}

.ckm-btn-icon {
    font-size: 1.25rem;
}

/* ===================================
   Progress Bar
   =================================== */
.ckm-progress {
    margin-top: var(--ckm-spacing-xl);
}

.ckm-progress-bar {
    height: 6px;
    background: var(--ckm-gray-200);
    border-radius: 3px;
    overflow: hidden;
    margin-bottom: var(--ckm-spacing-md);
}

.ckm-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--ckm-primary) 0%, var(--ckm-secondary) 100%);
    transition: width 0.5s ease;
}

.ckm-progress-steps {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.ckm-progress-step {
    width: 30px;
    height: 30px;
    background: var(--ckm-gray-300);
    color: var(--ckm-gray-600);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.875rem;
    transition: var(--ckm-transition);
}

.ckm-progress-step.active {
    background: var(--ckm-primary);
    color: white;
    transform: scale(1.1);
}

.ckm-progress-step.completed {
    background: var(--ckm-success);
    color: white;
}

.ckm-progress-step.completed::after {
    content: '✓';
    font-size: 1rem;
}

/* ===================================
   Résultats
   =================================== */
.ckm-result {
    padding: var(--ckm-spacing-xxl);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
}

.ckm-result-card {
    text-align: center;
    padding: var(--ckm-spacing-xl);
    background: white;
    border-radius: var(--ckm-border-radius-lg);
    box-shadow: var(--ckm-shadow-lg);
}

.ckm-result-header {
    margin-bottom: var(--ckm-spacing-lg);
}

.ckm-result-title {
    color: var(--ckm-gray-900);
    margin: 0;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--ckm-spacing-sm);
}

.ckm-result-icon {
    font-size: 2rem;
}

/* Amount display */
.ckm-result-amount {
    font-size: 4rem;
    font-weight: 900;
    color: var(--ckm-success);
    margin: var(--ckm-spacing-lg) 0;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.1);
    line-height: 1;
}

.ckm-currency {
    font-size: 2.5rem;
    vertical-align: top;
    margin-right: 0.25rem;
}

/* Details */
.ckm-result-details {
    margin: var(--ckm-spacing-lg) 0;
    padding: var(--ckm-spacing-md);
    background: var(--ckm-gray-100);
    border-radius: var(--ckm-border-radius-sm);
}

.ckm-details-title {
    margin: 0 0 var(--ckm-spacing-sm) 0;
    font-size: 1.125rem;
    color: var(--ckm-gray-700);
}

.ckm-detail-text {
    margin: 0;
    color: var(--ckm-gray-600);
    font-size: 1rem;
}

.ckm-baremes-info {
    margin-top: var(--ckm-spacing-sm);
    color: var(--ckm-success);
    font-weight: 600;
    font-size: 0.875rem;
}

/* Summary */
.ckm-result-summary {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--ckm-spacing-md);
    margin: var(--ckm-spacing-lg) 0;
    padding: var(--ckm-spacing-md);
    border-top: 1px solid var(--ckm-gray-200);
    border-bottom: 1px solid var(--ckm-gray-200);
}

.ckm-summary-item {
    text-align: center;
}

.ckm-summary-label {
    display: block;
    font-size: 0.875rem;
    color: var(--ckm-gray-600);
    margin-bottom: var(--ckm-spacing-xs);
}

.ckm-summary-value {
    display: block;
    font-weight: 600;
    color: var(--ckm-gray-900);
}

/* Actions */
.ckm-result-actions {
    display: flex;
    gap: var(--ckm-spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
    margin-top: var(--ckm-spacing-xl);
}

/* ===================================
   Info Section
   =================================== */
.ckm-info-section {
    margin-top: var(--ckm-spacing-xxl);
}

.ckm-info-title {
    display: flex;
    align-items: center;
    gap: var(--ckm-spacing-sm);
    margin-bottom: var(--ckm-spacing-lg);
    font-size: 1.25rem;
    color: var(--ckm-gray-800);
}

.ckm-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--ckm-spacing-lg);
}

.ckm-info-card {
    padding: var(--ckm-spacing-lg);
    background: var(--ckm-gray-100);
    border-radius: var(--ckm-border-radius);
}

.ckm-info-card h5 {
    margin: 0 0 var(--ckm-spacing-sm) 0;
    color: var(--ckm-gray-800);
}

.ckm-info-list {
    margin: 0;
    padding-left: 1.5rem;
    color: var(--ckm-gray-700);
}

.ckm-info-link {
    color: var(--ckm-primary);
    text-decoration: none;
    font-weight: 600;
    transition: var(--ckm-transition);
}

.ckm-info-link:hover {
    color: var(--ckm-primary-dark);
    text-decoration: underline;
}

/* ===================================
   Loading
   =================================== */
.ckm-loading {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
}

.ckm-loader {
    width: 50px;
    height: 50px;
    border: 3px solid var(--ckm-gray-300);
    border-top-color: var(--ckm-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto var(--ckm-spacing-md);
}

.ckm-loading-text {
    color: var(--ckm-gray-600);
}

/* ===================================
   Footer
   =================================== */
.ckm-footer {
    text-align: center;
    padding: var(--ckm-spacing-lg) var(--ckm-spacing-xl);
    background: rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.8);
}

.ckm-footer-text {
    margin: 0 0 var(--ckm-spacing-sm) 0;
    font-size: 0.875rem;
}

.ckm-footer-links {
    margin: 0;
    font-size: 0.875rem;
}

.ckm-footer-link {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--ckm-transition);
}

.ckm-footer-link:hover {
    color: white;
    text-decoration: underline;
}

.ckm-separator {
    margin: 0 var(--ckm-spacing-sm);
    opacity: 0.5;
}

/* ===================================
   Toast notifications
   =================================== */
.ckm-toast {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: var(--ckm-spacing-md) var(--ckm-spacing-lg);
    background: white;
    border-radius: var(--ckm-border-radius-sm);
    box-shadow: var(--ckm-shadow-lg);
    display: flex;
    align-items: center;
    gap: var(--ckm-spacing-sm);
    opacity: 0;
    transform: translateX(100%);
    transition: var(--ckm-transition);
    z-index: 1000;
    max-width: 300px;
}

.ckm-toast.show {
    opacity: 1;
    transform: translateX(0);
}

.ckm-toast-error {
    border-left: 4px solid var(--ckm-error);
}

.ckm-toast-success {
    border-left: 4px solid var(--ckm-success);
}

.ckm-toast-icon {
    font-size: 1.25rem;
}

/* ===================================
   Mode hors ligne
   =================================== */
.ckm-offline-notice {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    padding: var(--ckm-spacing-md) var(--ckm-spacing-lg);
    background: var(--ckm-warning);
    color: white;
    border-radius: var(--ckm-border-radius-sm);
    box-shadow: var(--ckm-shadow-md);
    font-weight: 600;
    z-index: 999;
    display: none;
}

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

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

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

@keyframes bounce {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.2);
    }
}

@keyframes pulse {
    0% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(240, 147, 251, 0.7);
    }
    70% {
        transform: scale(1.05);
        box-shadow: 0 0 0 10px rgba(240, 147, 251, 0);
    }
    100% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(240, 147, 251, 0);
    }
}

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 768px) {
    .ckm-container {
        margin: var(--ckm-spacing-md);
        border-radius: var(--ckm-border-radius);
    }
    
    .ckm-header,
    .ckm-form,
    .ckm-result {
        padding: var(--ckm-spacing-lg);
    }
    
    .ckm-title {
        font-size: 1.5rem;
    }
    
    .ckm-icon {
        font-size: 2rem;
    }
    
    .ckm-stats {
        gap: var(--ckm-spacing-md);
    }
    
    .ckm-stat-number {
        font-size: 1.25rem;
    }
    
    .ckm-vehicle-grid {
        grid-template-columns: 1fr;
    }
    
    .ckm-result-amount {
        font-size: 3rem;
    }
    
    .ckm-currency {
        font-size: 2rem;
    }
    
    .ckm-result-summary {
        grid-template-columns: 1fr;
        gap: var(--ckm-spacing-sm);
    }
    
    .ckm-navigation {
        flex-direction: column;
    }
    
    .ckm-result-actions {
        flex-direction: column;
    }
    
    .ckm-result-actions .ckm-btn {
        width: 100%;
    }
    
    .ckm-info-grid {
        grid-template-columns: 1fr;
    }
    
    .ckm-toast {
        right: 10px;
        left: 10px;
        max-width: none;
    }
}

@media (max-width: 480px) {
    .ckm-header {
        padding: var(--ckm-spacing-lg) var(--ckm-spacing-md);
    }
    
    .ckm-title {
        font-size: 1.25rem;
        flex-direction: column;
    }
    
    .ckm-subtitle {
        font-size: 1rem;
    }
    
    .ckm-stats {
        flex-direction: column;
        gap: var(--ckm-spacing-sm);
    }
    
    .ckm-step-title {
        font-size: 1.25rem;
    }
    
    .ckm-result-amount {
        font-size: 2.5rem;
    }
    
    .ckm-quick-values {
        justify-content: center;
    }
    
    .ckm-quick-btn {
        padding: var(--ckm-spacing-xs) var(--ckm-spacing-sm);
        font-size: 0.8125rem;
    }
}

/* ===================================
   Mode impression
   =================================== */
@media print {
    .ckm-container {
        box-shadow: none;
        background: white;
        margin: 0;
    }
    
    .ckm-header,
    .ckm-form,
    .ckm-navigation,
    .ckm-footer,
    .ckm-result-actions,
    .ckm-info-section {
        display: none;
    }
    
    .ckm-result {
        padding: 0;
        background: white;
    }
    
    .ckm-result-card {
        box-shadow: none;
        padding: 20px;
    }
    
    .ckm-result-amount {
        color: black;
        text-shadow: none;
    }
}

.ckm-print-header {
    text-align: center;
    margin-bottom: 40px;
}

.ckm-print-header h1 {
    margin: 0 0 10px 0;
    font-size: 24px;
}

.ckm-print-table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
}

.ckm-print-table th,
.ckm-print-table td {
    border: 1px solid #ddd;
    padding: 12px;
    text-align: left;
}

.ckm-print-table th {
    background-color: #f5f5f5;
    font-weight: 600;
}

.ckm-print-total {
    font-weight: bold;
    background-color: #f9f9f9;
}

.ckm-print-detail {
    margin: 30px 0;
    padding: 20px;
    background: #f9f9f9;
    border-radius: 8px;
}

.ckm-print-detail h3 {
    margin: 0 0 10px 0;
}

.ckm-print-footer {
    margin-top: 50px;
    text-align: center;
    color: #666;
    font-size: 14px;
}

/* ===================================
   Thèmes alternatifs
   =================================== */
.ckm-theme-dark {
    --ckm-primary: #4a5568;
    --ckm-secondary: #2d3748;
    --ckm-gray-100: #1a202c;
    --ckm-gray-200: #2d3748;
    --ckm-gray-800: #f7fafc;
    --ckm-gray-900: #ffffff;
}

.ckm-theme-corporate {
    --ckm-primary: #2c5282;
    --ckm-secondary: #2b6cb0;
}

.ckm-theme-eco {
    --ckm-primary: #38a169;
    --ckm-secondary: #48bb78;
}

/* ===================================
   Accessibilité
   =================================== */
.ckm-container:focus-within {
    outline: 3px solid var(--ckm-primary);
    outline-offset: 2px;
}

.ckm-btn:focus,
.ckm-select:focus,
.ckm-input:focus {
    outline: 3px solid var(--ckm-primary);
    outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
    * {
        animation: none !important;
        transition: none !important;
    }
}

/* Mode contraste élevé */
@media (prefers-contrast: high) {
    .ckm-container {
        border: 2px solid black;
    }
    
    .ckm-btn {
        border: 2px solid currentColor;
    }
}-container {
    max-width: 720px;
    margin: var(--ckm-spacing-xl) auto;
    background: linear-gradient(135deg, var(--ckm-primary) 0%, var(--ckm-secondary) 100%);
    border-radius: var(--ckm-border-radius-lg);
    box-shadow: var(--ckm-shadow-xl);
    overflow: hidden;
    font-family: var(--ckm-font-family);
    font-size: var(--ckm-font-size-base);
    line-height: var(--ckm-line-height);
    color: var(--ckm-gray-800);
}

.ckm-container * {
    box-sizing: border-box;
}

/* Mode compact */
.ckm-container.ckm-compact {
    max-width: 500px;
}

/* ===================================
   Header
   =================================== */
.ckm-header {
    text-align: center;
    padding: var(--ckm-spacing-xxl) var(--ckm-spacing-xl);
    color: white;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.ckm-title {
    margin: 0 0 var(--ckm-spacing-sm) 0;
    font-size: 1.875rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--ckm-spacing-sm);
}

.ckm-icon {
    font-size: 2.5rem;
    animation: float 3s ease-in-out infinite;
}

.ckm-subtitle {
    margin: 0;
    font-size: 1.125rem;
    opacity: 0.9;
}

/* Stats */
.ckm-stats {
    display: flex;
    justify-content: center;
    gap: var(--ckm-spacing-xl);
    margin-top: var(--ckm-spacing-lg);
}

.ckm-stat {
    text-align: center;
}

.ckm-stat-number {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--ckm-spacing-xs);
}

.ckm-stat-number.updated {
    animation: pulse 0.5s ease;
}

.ckm-stat-icon {
    font-size: 1.5rem;
}

.ckm-stat-label {
    font-size: 0.875rem;
    opacity: 0.8;
}

/* ===================================
   Formulaire
   =================================== */
.ckm-form {
    padding: var(--ckm-spacing-xxl);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
}

/* Steps */
.ckm-step {
    display: none;
    animation: fadeIn 0.5s ease;
}

.ckm-step.active {
    display: block;
}

.ckm-step-title {
    color: var(--ckm-gray-900);
    margin-bottom: var(--ckm-spacing-lg);
    font-size: 1.375rem;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--ckm-spacing-sm);
}

.ckm-step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: var(--ckm-primary);
    color: white;
    border-radius: 50%;
    font-size: 1rem;
    font-weight: 700;
}

/* Vehicle selection */
.ckm-vehicle-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--ckm-spacing-md);
    margin-bottom: var(--ckm-spacing-xl);
}

.ckm-vehicle-card {
    position: relative;
    cursor: pointer;
    border-radius: var(--ckm-border-radius);
    overflow: hidden;
    transition: var(--ckm-transition);
    border: 3px solid transparent;
}

.ckm-vehicle-card input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.ckm-vehicle-content {
    display: block;
    padding: var(--ckm-spacing-lg);
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    color: white;
    text-align: center;
    transition: var(--ckm-transition);
}

.ckm-vehicle-icon {
    display: block;
    font-size: 3rem;
    margin-bottom: var(--ckm-spacing-sm);
}

.ckm-vehicle-icon.bounce {
    animation: bounce 0.5s ease;
}

.ckm-vehicle-name {
    display: block;
    font-weight: 600;
    font-size: 1.125rem;
    margin-bottom: var(--ckm-spacing-xs);
}

.ckm-vehicle-desc {
    display: block;
    font-size: 0.875rem;
    opacity: 0.9;
}

.ckm-vehicle-card:hover .ckm-vehicle-content {
    transform: translateY(-3px);
    box-shadow: var(--ckm-shadow-lg);
}

.ckm-vehicle-card input:checked + .ckm-vehicle-content {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    transform: scale(1.05);
}

/* Input groups */
.ckm-input-group {
    margin-bottom: var(--ckm-spacing-lg);
}

.ckm-label {
    display: block;
    margin-bottom: var(--ckm-spacing-sm);
    font-weight: 600;
    color: var(--ckm-gray-700);
}

.ckm-select,
.ckm-input {
    width: 100%;
    padding: var(--ckm-spacing-md) var(--ckm-spacing-lg);
    border: 2px solid var(--ckm-gray-300);
    border-radius: var(--ckm-border-radius-sm);
    font-size: 1.125rem;
    background: white;
    transition: var(--ckm-transition);
    font-family: inherit;
}

.ckm-select:focus,
.ckm-input:focus {
    outline: none;
    border-color: var(--ckm-primary);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.ckm-select.error,
.ckm-input.error {
    border-color: var(--ckm-error);
}

/* Distance input */
.ckm-distance-input {
    position: relative;
    margin-bottom: var(--ckm-spacing-md);
}

.ckm-unit {
    position: absolute;
    right: var(--ckm-spacing-lg);
    top: 50%;
    transform: translateY(-50%);
    color: var(--ckm-gray-600);
    font-weight: 600;
    pointer-events: none;
}

/* Quick values */
.ckm-quick-values {
    display: flex;
    align-items: center;
    gap: var(--ckm-spacing-sm);
    flex-wrap: wrap;
}

.ckm-quick-label {
    color: var(--ckm-gray-600);
    font-size: 0.875rem;
}

.ckm-quick-btn {
    padding: var(--ckm-spacing-sm) var(--ckm-spacing-md);
    border: 2px solid var(--ckm-primary);
    background: transparent;
    color: var(--ckm-primary);
    border-radius: 20px;
    cursor: pointer;
    transition: var(--ckm-transition);
    font-weight: 600;
    font-size: 0.875rem;
}

.ckm-quick-btn:hover {
    background: var(--ckm-primary);
    color: white;
    transform: translateY(-2px);
}

/* Help text */
.ckm-help-text {
    display: flex;
    align-items: center;
    gap: var(--ckm-spacing-sm);
    margin-top: var(--ckm-spacing-sm);
    padding: var(--ckm-spacing-sm);
    background: var(--ckm-gray-100);
    border-radius: var(--ckm-border-radius-sm);
    font-size: 0.875rem;
    color: var(--ckm-gray-700);
}

.ckm-help-icon {
    font-size: 1.125rem;
}

/* ===================================
   Navigation
   =================================== */
.ckm-navigation {
    display: flex;
    justify-content: space-between;
    gap: var(--ckm-spacing-md);
    margin-top: var(--ckm-spacing-xl);
}

.ckm-btn {
    padding: var(--ckm-spacing-md) var(--ckm-spacing-xl);
    border: none;
    border-radius: var(--ckm-border-radius-sm);
    font-size: 1.0625rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--ckm-transition);
    display: inline-flex;
    align-items: center;
    gap: var(--ckm-spacing-sm);
    font-family: inherit;
}

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

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

.ckm-btn-secondary {
    background: var(--ckm-gray-200);
    color: var(--ckm-gray-700);
}

.ckm-btn-secondary:hover {
    background: var(--ckm-gray-300);
}

.ckm-btn-calculate {
    flex: 1;
    background: linear-gradient(45deg, #f093fb 0%, #f5576c 100%);
    color: white;
    font-size: 1.25rem;
    box-shadow: 0 10px 30px rgba(240, 147, 251, 0.3);
}

.ckm-btn-calculate:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(240, 147, 251, 0.4);
}

.ckm-btn-calculate.pulse {
    animation: pulse 1s ease-in-out infinite;
}

.ckm-btn-action {
    padding: var(--ckm-spacing-sm) var(--ckm-spacing-md);
    font-size: 0.9375rem;
}

.ckm-btn-icon {
    font-size: 1.25rem;
}

/* ===================================
   Progress Bar
   =================================== */
.ckm-progress {
    margin-top: var(--ckm-spacing-xl);
}

.ckm-progress-bar {
    height: 6px;
    background: var(--ckm-gray-200);
    border-radius: 3px;
    overflow: hidden;
    margin-bottom: var(--ckm-spacing-md);
}

.ckm-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--ckm-primary) 0%, var(--ckm-secondary) 100%);
    transition: width 0.5s ease;
}

.ckm-progress-steps {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.ckm-progress-step {
    width: 30px;
    height: 30px;
    background: var(--ckm-gray-300);
    color: var(--ckm-gray-600);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.875rem;
    transition: var(--ckm-transition);
}

.ckm-progress-step.active {
    background: var(--ckm-primary);
    color: white;
    transform: scale(1.1);
}

.ckm-progress-step.completed {
    background: var(--ckm-success);
    color: white;
}

.ckm-progress-step.completed::after {
    content: '✓';
    font-size: 1rem;
}

/* ===================================
   Résultats
   =================================== */
.ckm-result {
    padding: var(--ckm-spacing-xxl);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
}

.ckm-result-card {
    text-align: center;
    padding: var(--ckm-spacing-xl);
    background: white;
    border-radius: var(--ckm-border-radius-lg);
    box-shadow: var(--ckm-shadow-lg);
}

.ckm-result-header {
    margin-bottom: var(--ckm-spacing-lg);
}

.ckm-result-title {
    color: var(--ckm-gray-900);
    margin: 0;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--ckm-spacing-sm);
}

.ckm-result-icon {
    font-size: 2rem;
}

/* Amount display */
.ckm-result-amount {
    font-size: 4rem;
    font-weight: 900;
    color: var(--ckm-success);
    margin: var(--ckm-spacing-lg) 0;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.1);
    line-height: 1;
}

.ckm-currency {
    font-size: 2.5rem;
    vertical-align: top;
    margin-right: 0.25rem;
}

/* Details */
.ckm-result-details {
    margin: var(--ckm-spacing-lg) 0;
    padding: var(--ckm-spacing-md);
    background: var(--ckm-gray-100);
    border-radius: var(--ckm-border-radius-sm);
}

.ckm-details-title {
    margin: 0 0 var(--ckm-spacing-sm) 0;
    font-size: 1.125rem;
    color: var(--ckm-gray-700);
}

.ckm-detail-text {
    margin: 0;
    color: var(--ckm-gray-600);
    font-size: 1rem;
}

.ckm-baremes-info {
    margin-top: var(--ckm-spacing-sm);
    color: var(--ckm-success);
    font-weight: 600;
    font-size: 0.875rem;
}

/* Summary */
.ckm-result-summary {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--ckm-spacing-md);
    margin: var(--ckm-spacing-lg) 0;
    padding: var(--ckm-spacing-md);
    border-top: 1px solid var(--ckm-gray-200);
    border-bottom: 1px solid var(--ckm-gray-200);
}

.ckm-summary-item {
    text-align: center;
}

.ckm-summary-label {
    display: block;
    font-size: 0.875rem;
    color: var(--ckm-gray-600);
    margin-bottom: var(--ckm-spacing-xs);
}

.ckm-summary-value {
    display: block;
    font-weight: 600;
    color: var(--ckm-gray-900);
}

/* Actions */
.ckm-result-actions {
    display: flex;
    gap: var(--ckm-spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
    margin-top: var(--ckm-spacing-xl);
}

/* ===================================
   Info Section
   =================================== */
.ckm-info-section {
    margin-top: var(--ckm-spacing-xxl);
}

.ckm-info-title {
    display: flex;
    align-items: center;
    gap: var(--ckm-spacing-sm);
    margin-bottom: var(--ckm-spacing-lg);
    font-size: 1.25rem;
    color: var(--ckm-gray-800);
}

.ckm-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--ckm-spacing-lg);
}

.ckm-info-card {
    padding: var(--ckm-spacing-lg);
    background: var(--ckm-gray-100);
    border-radius: var(--ckm-border-radius);
}

.ckm-info-card h5 {
    margin: 0 0 var(--ckm-spacing-sm) 0;
    color: var(--ckm-gray-800);
}

.ckm-info-list {
    margin: 0;
    padding-left: 1.5rem;
    color: var(--ckm-gray-700);
}

.ckm-info-link {
    color: var(--ckm-primary);
    text-decoration: none;
    font-weight: 600;
    transition: var(--ckm-transition);
}

.ckm-info-link:hover {
    color: var(--ckm-primary-dark);
    text-decoration: underline;
}

/* ===================================
   Loading
   =================================== */
.ckm-loading {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
}

.ckm-loader {
    width: 50px;
    height: 50px;
    border: 3px solid var(--ckm-gray-300);
    border-top-color: var(--ckm-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto var(--ckm-spacing-md);
}

.ckm-loading-text {
    color: var(--ckm-gray-600);
}

/* ===================================
   Footer
   =================================== */
.ckm-footer {
    text-align: center;
    padding: var(--ckm-spacing-lg) var(--ckm-spacing-xl);
    background: rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.8);
}

.ckm-footer-text {
    margin: 0 0 var(--ckm-spacing-sm) 0;
    font-size: 0.875rem;
}

.ckm-footer-links {
    margin: 0;
    font-size: 0.875rem;
}

.ckm-footer-link {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--ckm-transition);
}

.ckm-footer-link:hover {
    color: white;
    text-decoration: underline;
}

.ckm-separator {
    margin: 0 var(--ckm-spacing-sm);
    opacity: 0.5;
}

/* ===================================
   Toast notifications
   =================================== */
.ckm-toast {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: var(--ckm-spacing-md) var(--ckm-spacing-lg);
    background: white;
    border-radius: var(--ckm-border-radius-sm);
    box-shadow: var(--ckm-shadow-lg);
    display: flex;
    align-items: center;
    gap: var(--ckm-spacing-sm);
    opacity: 0;
    transform: translateX(100%);
    transition: var(--ckm-transition);
    z-index: 1000;
    max-width: 300px;
}

.ckm-toast.show {
    opacity: 1;
    transform: translateX(0);
}

.ckm-toast-error {
    border-left: 4px solid var(--ckm-error);
}

.ckm-toast-success {
    border-left: 4px solid var(--ckm-success);
}

.ckm-toast-icon {
    font-size: 1.25rem;
}

/* ===================================
   Mode hors ligne
   =================================== */
.ckm-offline-notice {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    padding: var(--ckm-spacing-md) var(--ckm-spacing-lg);
    background: var(--ckm-warning);
    color: white;
    border-radius: var(--ckm-border-radius-sm);
    box-shadow: var(--ckm-shadow-md);
    font-weight: 600;
    z-index: 999;
    display: none;
}

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

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

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

@keyframes bounce {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.2);
    }
}

@keyframes pulse {
    0% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(240, 147, 251, 0.7);
    }
    70% {
        transform: scale(1.05);
        box-shadow: 0 0 0 10px rgba(240, 147, 251, 0);
    }
    100% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(240, 147, 251, 0);
    }
}

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 768px) {
    .ckm-container {
        margin: var(--ckm-spacing-md);
        border-radius: var(--ckm-border-radius);
    }
    
    .ckm-header,
    .ckm-form,
    .ckm-result {
        padding: var(--ckm-spacing-lg);
    }
    
    .ckm-title {
        font-size: 1.5rem;
    }
    
    .ckm-icon {
        font-size: 2rem;
    }
    
    .ckm-stats {
        gap: var(--ckm-spacing-md);
    }
    
    .ckm-stat-number {
        font-size: 1.25rem;
    }
    
    .ckm-vehicle-grid {
        grid-template-columns: 1fr;
    }
    
    .ckm-result-amount {
        font-size: 3rem;
    }
    
    .ckm-currency {
        font-size: 2rem;
    }
    
    .ckm-result-summary {
        grid-template-columns: 1fr;
        gap: var(--ckm-spacing-sm);
    }
    
    .ckm-navigation {
        flex-direction: column;
    }
    
    .ckm-result-actions {
        flex-direction: column;
    }
    
    .ckm-result-actions .ckm-btn {
        width: 100%;
    }
    
    .ckm-info-grid {
        grid-template-columns: 1fr;
    }
    
    .ckm-toast {
        right: 10px;
        left: 10px;
        max-width: none;
    }
}

@media (max-width: 480px) {
    .ckm-header {
        padding: var(--ckm-spacing-lg) var(--ckm-spacing-md);
    }
    
    .ckm-title {
        font-size: 1.25rem;
        flex-direction: column;
    }
    
    .ckm-subtitle {
        font-size: 1rem;
    }
    
    .ckm-stats {
        flex-direction: column;
        gap: var(--ckm-spacing-sm);
    }
    
    .ckm-step-title {
        font-size: 1.25rem;
    }
    
    .ckm-result-amount {
        font-size: 2.5rem;
    }
    
    .ckm-quick-values {
        justify-content: center;
    }
    
    .ckm-quick-btn {
        padding: var(--ckm-spacing-xs) var(--ckm-spacing-sm);
        font-size: 0.8125rem;
    }
}

/* ===================================
   Mode impression
   =================================== */
@media print {
    .ckm-container {
        box-shadow: none;
        background: white;
        margin: 0;
    }
    
    .ckm-header,
    .ckm-form,
    .ckm-navigation,
    .ckm-footer,
    .ckm-result-actions,
    .ckm-info-section {
        display: none;
    }
    
    .ckm-result {
        padding: 0;
        background: white;
    }
    
    .ckm-result-card {
        box-shadow: none;
        padding: 20px;
    }
    
    .ckm-result-amount {
        color: black;
        text-shadow: none;
    }
}

.ckm-print-header {
    text-align: center;
    margin-bottom: 40px;
}

.ckm-print-header h1 {
    margin: 0 0 10px 0;
    font-size: 24px;
}

.ckm-print-table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
}

.ckm-print-table th,
.ckm-print-table td {
    border: 1px solid #ddd;
    padding: 12px;
    text-align: left;
}

.ckm-print-table th {
    background-color: #f5f5f5;
    font-weight: 600;
}

.ckm-print-total {
    font-weight: bold;
    background-color: #f9f9f9;
}

.ckm-print-detail {
    margin: 30px 0;
    padding: 20px;
    background: #f9f9f9;
    border-radius: 8px;
}

.ckm-print-detail h3 {
    margin: 0 0 10px 0;
}

.ckm-print-footer {
    margin-top: 50px;
    text-align: center;
    color: #666;
    font-size: 14px;
}

/* ===================================
   Thèmes alternatifs
   =================================== */
.ckm-theme-dark {
    --ckm-primary: #4a5568;
    --ckm-secondary: #2d3748;
    --ckm-gray-100: #1a202c;
    --ckm-gray-200: #2d3748;
    --ckm-gray-800: #f7fafc;
    --ckm-gray-900: #ffffff;
}

.ckm-theme-corporate {
    --ckm-primary: #2c5282;
    --ckm-secondary: #2b6cb0;
}

.ckm-theme-eco {
    --ckm-primary: #38a169;
    --ckm-secondary: #48bb78;
}

/* ===================================
   Accessibilité
   =================================== */
.ckm-container:focus-within {
    outline: 3px solid var(--ckm-primary);
    outline-offset: 2px;
}

.ckm-btn:focus,
.ckm-select:focus,
.ckm-input:focus {
    outline: 3px solid var(--ckm-primary);
    outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
    * {
        animation: none !important;
        transition: none !important;
    }
}

/* Mode contraste élevé */
@media (prefers-contrast: high) {
    .ckm-container {
        border: 2px solid black;
    }
    
    .ckm-btn {
        border: 2px solid currentColor;
    }
}