/**
 * SEO Simulator CSS - VENDOPRONE
 * Design Mobile-First avec identité visuelle VENDOPRONE
 */

/* Variables CSS - Couleurs VENDOPRONE */
:root {
    --color-orange: #F07E3D;
    --color-violet: #8E387F;
    --color-black: #1a1a1a;
    --color-white: #ffffff;
    --color-gray-light: #f5f5f5;
    --color-gray-medium: #e0e0e0;
    --color-gray-dark: #666666;
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.2);
    --border-radius: 8px;
    --transition: all 0.3s ease;
}

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

.seo-simulator {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    max-width: 100%;
    margin: 0 auto;
    padding: 0;
    background: transparent;
    color: var(--color-black);
    line-height: 1.6;
    min-height: 100vh;
}

/* Titres */
.seo-simulator h1,
.seo-simulator h2,
.seo-simulator h3 {
    color: var(--color-violet);
    margin-top: 0;
    margin-bottom: 16px;
    font-weight: 700;
}

.seo-simulator h1 {
    font-size: 28px;
    line-height: 1.2;
    margin-bottom: 12px;
}

.seo-simulator h2 {
    font-size: 20px;
}

.seo-simulator h3 {
    font-size: 18px;
}

/* Phase Container */
.simulator-phase {
    display: none;
    animation: fadeIn 0.4s ease-in;
}

.simulator-phase.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Phase I - Formulaire avec fond violet */
#phase-1 {
    background: linear-gradient(135deg, var(--color-violet) 0%, #6b2d5f 100%);
    padding: 32px 20px;
    border-radius: 0;
    color: var(--color-white);
    min-height: 100vh;
}

#phase-1 h1,
#phase-1 h2 {
    color: var(--color-white);
    text-align: center;
}

#phase-1 p {
    color: rgba(255, 255, 255, 0.9);
    text-align: center;
    margin-bottom: 24px;
}

/* Formulaire - Phase I */
.simulator-input-group {
    margin-bottom: 24px;
    background: var(--color-white);
    padding: 20px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
}

.simulator-input-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--color-violet);
    font-size: 14px;
}

.simulator-input-group input[type="number"],
.simulator-input-group input[type="text"],
.simulator-input-group input[type="email"],
.simulator-input-group select {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--color-gray-medium);
    border-radius: var(--border-radius);
    font-size: 16px;
    transition: var(--transition);
    -webkit-appearance: none;
    appearance: none;
}

.simulator-input-group input:focus,
.simulator-input-group select:focus {
    outline: none;
    border-color: var(--color-orange);
    box-shadow: 0 0 0 3px rgba(240, 126, 61, 0.1);
}

/* Slider personnalisé */
.simulator-slider-container {
    position: relative;
    margin: 16px 0;
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.simulator-slider {
    flex: 1;
    min-width: 200px;
    height: 8px;
    border-radius: 4px;
    background: var(--color-gray-light);
    outline: none;
    -webkit-appearance: none;
    appearance: none;
    cursor: pointer;
}

.simulator-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--color-orange);
    cursor: pointer;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.simulator-slider::-webkit-slider-thumb:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-md);
}

.simulator-slider::-moz-range-thumb {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--color-orange);
    cursor: pointer;
    border: none;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.simulator-slider::-moz-range-thumb:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-md);
}

.simulator-slider-value {
    display: inline-block;
    margin-left: 12px;
    padding: 4px 12px;
    background: var(--color-violet);
    color: var(--color-white);
    border-radius: 12px;
    font-weight: 600;
    font-size: 14px;
    min-width: 60px;
    text-align: center;
}

/* Phase II - Aperçu avec fond dégradé */
#phase-2 {
    background: linear-gradient(135deg, #ffffff 0%, #f8f8f8 100%);
    padding: 32px 20px;
    min-height: 100vh;
}

/* Aperçu - Phase II */
.simulator-preview {
    background: linear-gradient(135deg, var(--color-violet) 0%, #6b2d5f 100%);
    color: var(--color-white);
    padding: 32px 24px;
    border-radius: var(--border-radius);
    margin-bottom: 24px;
    box-shadow: var(--shadow-lg);
    text-align: center;
}

.simulator-preview h3 {
    color: var(--color-white);
    margin-bottom: 8px;
}

.simulator-preview .traffic-value {
    font-size: 32px;
    font-weight: 700;
    margin: 8px 0;
}

/* Graphique */
.simulator-chart-container {
    position: relative;
    width: 100%;
    height: 260px;
    margin: 24px 0;
    padding: 12px;
    background: var(--color-white);
    border: 3px solid var(--color-violet);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.simulator-chart {
    width: 100%;
    height: 100%;
}

.simulator-chart-legend {
    display: flex;
    justify-content: center;
    gap: 24px;
    margin-top: 16px;
    flex-wrap: wrap;
}

.simulator-chart-legend-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
}

.simulator-chart-legend-color {
    width: 16px;
    height: 16px;
    border-radius: 2px;
}

.simulator-chart-legend-color.base {
    background: var(--color-violet);
}

.simulator-chart-legend-color.accelerated {
    background: var(--color-orange);
}

/* Boutons CTA */
.simulator-btn {
    width: 100%;
    padding: 16px 24px;
    border: none;
    border-radius: var(--border-radius);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
    text-decoration: none;
    display: inline-block;
    margin-top: 16px;
}

.simulator-btn-primary {
    background: var(--color-orange);
    color: var(--color-white);
    box-shadow: var(--shadow-md);
}

.simulator-btn-primary:hover,
.simulator-btn-primary:focus {
    background: #e06d2d;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.simulator-btn-primary:active {
    transform: translateY(0);
}

.simulator-btn-secondary {
    background: var(--color-violet);
    color: var(--color-white);
}

.simulator-btn-secondary:hover,
.simulator-btn-secondary:focus {
    background: #7a316d;
}

/* Phase III - Capture avec fond violet */
#phase-3 {
    background: linear-gradient(135deg, var(--color-violet) 0%, #6b2d5f 100%);
    padding: 32px 20px;
    min-height: 100vh;
    color: var(--color-white);
}

#phase-3 h2 {
    color: var(--color-white);
    text-align: center;
    margin-bottom: 24px;
}

/* Formulaire de capture - Phase III */
.simulator-form {
    background: var(--color-white);
    padding: 24px;
    border-radius: var(--border-radius);
    margin-top: 24px;
    box-shadow: var(--shadow-lg);
}

.simulator-form-group {
    margin-bottom: 20px;
}

.simulator-form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--color-violet);
    font-size: 14px;
}

.simulator-form-group input[type="text"],
.simulator-form-group input[type="email"],
.simulator-form-group select {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--color-gray-medium);
    border-radius: var(--border-radius);
    font-size: 16px;
    transition: var(--transition);
}

.simulator-form-group input:focus,
.simulator-form-group select:focus {
    outline: none;
    border-color: var(--color-orange);
    box-shadow: 0 0 0 3px rgba(240, 126, 61, 0.1);
}

.simulator-form-error {
    color: #d32f2f;
    font-size: 12px;
    margin-top: 4px;
    display: none;
}

.simulator-form-error.active {
    display: block;
}

/* Rapport détaillé */
.simulator-report {
    margin-top: 24px;
    padding: 24px;
    background: var(--color-white);
    border: 3px solid var(--color-orange);
    border-radius: var(--border-radius);
    display: none;
    box-shadow: var(--shadow-lg);
}

.simulator-report.active {
    display: block;
    animation: fadeIn 0.4s ease-in;
}

.simulator-report-header {
    text-align: center;
    margin-bottom: 24px;
}

.simulator-report-value {
    font-size: 36px;
    font-weight: 700;
    color: var(--color-orange);
    margin: 16px 0;
}

.simulator-report-metric {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px;
    margin: 12px 0;
    background: var(--color-gray-light);
    border-radius: var(--border-radius);
}

.simulator-report-metric-label {
    font-weight: 600;
    color: var(--color-black);
}

.simulator-report-metric-value {
    font-size: 20px;
    font-weight: 700;
    color: var(--color-violet);
}

/* Loading state */
.simulator-loading {
    display: none;
    text-align: center;
    padding: 24px;
}

.simulator-loading.active {
    display: block;
}

.simulator-spinner {
    border: 3px solid var(--color-gray-light);
    border-top: 3px solid var(--color-orange);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 0 auto;
}

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

/* Responsive - Tablette et Desktop */
@media (min-width: 768px) {
    .seo-simulator {
        max-width: 600px;
        padding: 0;
        margin: 0 auto;
    }
    
    #phase-1,
    #phase-2,
    #phase-3 {
        padding: 40px 32px;
        border-radius: 12px;
        margin: 20px auto;
        box-shadow: var(--shadow-lg);
    }
    
    .seo-simulator h1 {
        font-size: 36px;
    }
    
    .simulator-input-group {
        display: block;
    }
    
    .simulator-chart-container {
        height: 350px;
    }
    
    .simulator-form {
        max-width: 100%;
    }
}

@media (min-width: 1024px) {
    .seo-simulator {
        max-width: 700px;
    }
    
    .simulator-chart-container {
        height: 400px;
    }
}

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

/* Focus visible pour accessibilité */
.simulator-btn:focus-visible,
.simulator-input-group input:focus-visible,
.simulator-input-group select:focus-visible {
    outline: 3px solid var(--color-orange);
    outline-offset: 2px;
}