/* Calculateur Carte Grise - Design moderne et minimaliste */

/* Variables CSS pour un design neutre et moderne */
:root {
    --cgc-primary: #2c3e50;
    --cgc-primary-hover: #34495e;
    --cgc-accent: #27ae60;
    --cgc-accent-hover: #229954;
    --cgc-text-dark: #2c3e50;
    --cgc-text-medium: #7f8c8d;
    --cgc-text-light: #95a5a6;
    --cgc-bg-white: #ffffff;
    --cgc-bg-light: #f8f9fa;
    --cgc-bg-lighter: #fbfbfc;
    --cgc-border: #e1e8ed;
    --cgc-border-light: #f0f3f5;
    --cgc-success: #27ae60;
    --cgc-shadow-xs: 0 2px 4px rgba(0,0,0,0.04);
    --cgc-shadow-sm: 0 4px 6px rgba(0,0,0,0.05);
    --cgc-shadow-md: 0 10px 20px rgba(0,0,0,0.08);
    --cgc-shadow-lg: 0 20px 40px rgba(0,0,0,0.1);
    --cgc-radius: 12px;
    --cgc-radius-sm: 8px;
    --cgc-radius-lg: 16px;
}

/* Reset et base */
* {
    box-sizing: border-box;
}

/* Conteneur principal */
.cgc-container {
    max-width: 900px;
    margin: 3rem auto;
    padding: 0 1.5rem;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', sans-serif;
    color: var(--cgc-text-dark);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Formulaire pleine largeur */
.cgc-form-wrapper {
    background: var(--cgc-bg-white);
    border-radius: var(--cgc-radius-lg);
    padding: 3rem;
    box-shadow: var(--cgc-shadow-md);
    border: 1px solid var(--cgc-border-light);
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.cgc-form-wrapper.hidden {
    display: none;
}

/* Grille de champs - 2 colonnes */
.cgc-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem 2rem;
    margin-bottom: 2rem;
}

/* Résultats centrés */
.cgc-results-wrapper {
    animation: fadeInUp 0.5s ease;
}

.cgc-results {
    max-width: 500px;
    margin: 0 auto;
    background: var(--cgc-bg-white);
    border-radius: var(--cgc-radius-lg);
    padding: 2.5rem;
    box-shadow: var(--cgc-shadow-lg);
    border: 1px solid var(--cgc-border-light);
    position: relative;
}

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

/* Bouton retour */
.cgc-back-btn {
    position: absolute;
    top: 1.5rem;
    left: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: transparent;
    border: 1px solid var(--cgc-border);
    border-radius: var(--cgc-radius-sm);
    color: var(--cgc-text-medium);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.cgc-back-btn:hover {
    background: var(--cgc-bg-light);
    border-color: var(--cgc-text-medium);
    color: var(--cgc-text-dark);
}

.cgc-back-btn svg {
    width: 16px;
    height: 16px;
}

/* Champs de formulaire */
.cgc-field {
    position: relative;
}

.cgc-field label {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--cgc-text-medium);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.cgc-field input,
.cgc-field select {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 1.5px solid var(--cgc-border);
    border-radius: var(--cgc-radius-sm);
    font-size: 0.9375rem;
    font-weight: 500;
    background: var(--cgc-bg-white);
    color: var(--cgc-text-dark);
    transition: all 0.2s ease;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
}

/* Custom arrow for select */
.cgc-field select {
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg width='14' height='8' viewBox='0 0 14 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3e%3cpath d='M1 1L7 7L13 1' stroke='%237f8c8d' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 14px;
    padding-right: 2.5rem;
}

.cgc-field input:hover,
.cgc-field select:hover {
    border-color: var(--cgc-text-medium);
}

.cgc-field input:focus,
.cgc-field select:focus {
    outline: none;
    border-color: var(--cgc-primary);
    box-shadow: 0 0 0 3px rgba(44, 62, 80, 0.08);
}

.cgc-field input::placeholder {
    color: var(--cgc-text-light);
    font-weight: 400;
}

/* Radio buttons modernes */
.cgc-radio-group {
    display: flex;
    gap: 1rem;
    margin-top: 0.5rem;
}

.cgc-radio-group label {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem;
    background: var(--cgc-bg-lighter);
    border: 1.5px solid var(--cgc-border);
    border-radius: var(--cgc-radius-sm);
    cursor: pointer;
    transition: all 0.2s ease;
    font-weight: 500;
    font-size: 0.9375rem;
    text-transform: none;
    letter-spacing: normal;
}

.cgc-radio-group label:hover {
    background: var(--cgc-bg-light);
    border-color: var(--cgc-text-medium);
}

.cgc-radio-group input[type="radio"] {
    width: 16px;
    height: 16px;
    margin-right: 0.5rem;
    accent-color: var(--cgc-primary);
}

.cgc-radio-group label:has(input:checked) {
    background: var(--cgc-primary);
    border-color: var(--cgc-primary);
    color: white;
}

/* Boutons */
.cgc-actions {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.cgc-btn {
    flex: 1;
    padding: 1rem 1.5rem;
    border: none;
    border-radius: var(--cgc-radius-sm);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.cgc-btn-primary {
    background: var(--cgc-primary);
    color: white;
    box-shadow: var(--cgc-shadow-sm);
}

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

.cgc-btn-secondary {
    background: var(--cgc-bg-light);
    color: var(--cgc-text-medium);
    border: 1.5px solid var(--cgc-border);
}

.cgc-btn-secondary:hover {
    background: var(--cgc-bg-lighter);
    border-color: var(--cgc-text-medium);
}

/* Panel droit - Résultats */
.cgc-right-panel {
    position: sticky;
    top: 2rem;
}

.cgc-results {
    background: var(--cgc-bg-white);
    border-radius: var(--cgc-radius-lg);
    padding: 2.5rem;
    box-shadow: var(--cgc-shadow-md);
    border: 1px solid var(--cgc-border-light);
    animation: fadeInScale 0.4s ease;
}

@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.cgc-results h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--cgc-text-dark);
    text-align: center;
    margin: 2rem 0 1.5rem;
}

.cgc-results-content {
    background: var(--cgc-bg-lighter);
    border-radius: var(--cgc-radius-sm);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.cgc-result-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.875rem 0;
    border-bottom: 1px solid var(--cgc-border-light);
}

.cgc-result-item:last-child {
    border-bottom: none;
}

.cgc-result-item.cgc-frais-service {
    margin-top: 0.75rem;
    padding-top: 1rem;
    border-top: 1px solid var(--cgc-border);
}

.cgc-result-item.cgc-total {
    margin: 1.5rem -1.5rem -1.5rem;
    padding: 1.5rem;
    background: var(--cgc-bg-white);
    border-radius: 0 0 var(--cgc-radius-sm) var(--cgc-radius-sm);
    border: none;
}

.cgc-result-label {
    font-size: 0.875rem;
    color: var(--cgc-text-medium);
    font-weight: 400;
}

.cgc-result-value {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--cgc-text-dark);
}

.cgc-result-item.cgc-total .cgc-result-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--cgc-text-dark);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.cgc-result-item.cgc-total .cgc-result-value {
    font-size: 1.875rem;
    font-weight: 700;
    color: var(--cgc-success);
    letter-spacing: -0.02em;
}

/* Bouton Commander */
.cgc-btn-woo {
    width: 100%;
    padding: 1.125rem;
    background: var(--cgc-accent);
    color: white;
    border: none;
    border-radius: var(--cgc-radius-sm);
    font-size: 0.9375rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    box-shadow: var(--cgc-shadow-sm);
}

.cgc-btn-woo:hover {
    background: var(--cgc-accent-hover);
    transform: translateY(-1px);
    box-shadow: var(--cgc-shadow-md);
}

/* Message de succès */
.cgc-success-message {
    margin-top: 1rem;
    padding: 1rem;
    background: #d4f4dd;
    color: var(--cgc-success);
    border-radius: var(--cgc-radius-sm);
    font-size: 0.875rem;
    font-weight: 500;
    text-align: center;
    border: 1px solid #b0e2c0;
}

/* Badge numéro unique */
.cgc-unique-badge {
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    color: #92400e;
    padding: 0.75rem 1rem;
    border-radius: var(--cgc-radius-sm);
    font-size: 0.8125rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    text-align: center;
    border: 1px solid #fcd34d;
}

/* Spinner */
.cgc-spinner {
    display: none;
    width: 14px;
    height: 14px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.cgc-btn.loading .cgc-spinner {
    display: inline-block;
}

.cgc-btn.loading .cgc-btn-text {
    display: none;
}

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

/* États d'erreur */
input.error,
select.error {
    border-color: #e74c3c !important;
    background: #fff8f8 !important;
}

/* Focus visible pour accessibilité */
.cgc-btn:focus-visible,
input:focus-visible,
select:focus-visible {
    outline: 2px solid var(--cgc-primary);
    outline-offset: 2px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .cgc-container {
        margin: 1.5rem auto;
        padding: 0 1rem;
    }
    
    .cgc-form-wrapper {
        padding: 2rem;
    }
    
    .cgc-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .cgc-results {
        padding: 1.75rem;
    }
    
    .cgc-actions {
        flex-direction: column;
    }
    
    .cgc-btn {
        width: 100%;
    }
    
    .cgc-result-item.cgc-total .cgc-result-value {
        font-size: 1.5rem;
    }
    
    .cgc-back-btn {
        position: static;
        margin-bottom: 1rem;
        width: 100%;
        justify-content: center;
    }
}

/* Micro-interactions */
.cgc-field {
    animation: fadeIn 0.3s ease forwards;
    opacity: 0;
}

.cgc-field:nth-child(1) { animation-delay: 0.05s; }
.cgc-field:nth-child(2) { animation-delay: 0.1s; }
.cgc-field:nth-child(3) { animation-delay: 0.15s; }
.cgc-field:nth-child(4) { animation-delay: 0.2s; }
.cgc-field:nth-child(5) { animation-delay: 0.25s; }
.cgc-field:nth-child(6) { animation-delay: 0.3s; }
.cgc-field:nth-child(7) { animation-delay: 0.35s; }

@keyframes fadeIn {
    to {
        opacity: 1;
    }
}

/* Amélioration de la lisibilité */
.cgc-field input,
.cgc-field select,
.cgc-btn {
    font-feature-settings: "kern" 1, "liga" 1;
}

/* Hover effects subtils */
.cgc-result-item {
    transition: background 0.2s ease;
}

.cgc-result-item:hover {
    background: rgba(44, 62, 80, 0.02);
    margin: 0 -0.5rem;
    padding-left: 0.5rem;
    padding-right: 0.5rem;
}

/* Optimisation de la performance */
.cgc-container * {
    transform: translateZ(0);
    will-change: auto;
}

/* Mode impression */
@media print {
    .cgc-actions,
    .cgc-btn-woo {
        display: none;
    }
    
    .cgc-results {
        box-shadow: none;
        border: 1px solid #ddd;
    }
}