:root {
    --color-primary: #302757;
    --color-secondary: #7B5CEF;
    --color-accent: #5A4FCF;
    --color-bg: #F5F5F9;
    --color-white: #FFFFFF;
    --color-success: #155724;
    --color-success-bg: #d4edda;
    --color-danger: #721c24;
    --color-danger-bg: #f8d7da;
    --color-warning: #856404;
    --color-warning-bg: #fff3cd;
    --color-info: #0c5460;
    --color-info-bg: #d1ecf1;
    --color-text: #2c3e50;
    --color-text-light: #6c757d;
    --color-border: #e9ecef;
    --color-border-light: #f1f3f4;
    
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.15);
    
    --border-radius: 8px;
    --border-radius-lg: 12px;
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
    background: linear-gradient(135deg, var(--color-bg) 0%, #e8e9f3 100%);
    color: var(--color-text);
    line-height: 1.6;
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

.header {
    text-align: center;
    margin-bottom: 3rem;
    padding: 2rem;
    background: var(--color-white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
}

.header h1 {
    color: var(--color-primary);
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.header-description {
    color: var(--color-text-light);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

.form-section {
    background: var(--color-white);
    border-radius: var(--border-radius-lg);
    padding: 2.5rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border-light);
}

.section-title {
    color: var(--color-primary);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 2rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--color-secondary);
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.cost-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--color-text);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.875rem;
    border: 2px solid var(--color-border);
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-secondary);
    box-shadow: 0 0 0 3px rgba(123, 92, 239, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.questions-container {
    margin-top: 2rem;
}

.category-section {
    margin-bottom: 2.5rem;
}

.category-title {
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    color: var(--color-white);
    padding: 1rem 1.5rem;
    margin-bottom: 1.5rem;
    border-radius: var(--border-radius);
    font-size: 1.2rem;
    font-weight: 600;
}

.critere-item {
    padding: 1.5rem;
    border: 1px solid var(--color-border-light);
    border-radius: var(--border-radius);
    margin-bottom: 1rem;
    background: #fafbfc;
    transition: var(--transition);
}

.critere-item:hover {
    background: var(--color-white);
    box-shadow: var(--shadow-sm);
}

.critere-question {
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 1rem;
    line-height: 1.5;
}

.importance-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-left: 0.5rem;
}

.importance-imperatif {
    background: var(--color-danger-bg);
    color: var(--color-danger);
}

.importance-necessaire {
    background: var(--color-warning-bg);
    color: var(--color-warning);
}

.importance-dispensable {
    background: var(--color-info-bg);
    color: var(--color-info);
}

.reponse-control {
    display: flex;
    gap: 1.5rem;
    align-items: center;
    margin: 1rem 0;
    padding: 1rem;
    background: var(--color-white);
    border-radius: var(--border-radius);
    border: 1px solid var(--color-border);
}

.radio-option {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.radio-option:hover {
    background: var(--color-bg);
}

.radio-option input[type="radio"] {
    width: auto;
    margin: 0;
}

.radio-option label {
    margin: 0;
    cursor: pointer;
    font-weight: 500;
}

.critere-item textarea {
    margin-top: 1rem;
    background: var(--color-white);
    border: 1px solid var(--color-border);
}

.form-actions {
    text-align: center;
    margin-top: 3rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 2rem;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    transition: var(--transition);
    min-height: 48px;
    font-family: inherit;
    position: relative;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-secondary), var(--color-accent));
    color: var(--color-white);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: var(--color-white);
    color: var(--color-text);
    border: 2px solid var(--color-border);
}

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

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}

.btn-spinner,
.loading-spinner .spinner {
    width: 20px;
    height: 20px;
    border: 2px solid transparent;
    border-top: 2px solid currentColor;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.loading-spinner {
    text-align: center;
    padding: 3rem;
}

.loading-spinner .spinner {
    width: 40px;
    height: 40px;
    border-top-color: var(--color-secondary);
    margin: 0 auto 1rem;
}

.hidden {
    display: none !important;
}

.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal-content {
    background: var(--color-white);
    padding: 0;
    border-radius: var(--border-radius-lg);
    max-width: 500px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
}

.modal-header {
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-header h3 {
    margin: 0;
    color: var(--color-primary);
}

.modal-body {
    padding: 2rem;
}

.modal-actions {
    padding: 1rem 2rem 2rem;
    text-align: center;
}

.close-button {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--color-text-light);
    padding: 0.5rem;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.close-button:hover {
    background: var(--color-bg);
    color: var(--color-text);
}

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

@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }
    
    .header h1 {
        font-size: 1.8rem;
    }
    
    .form-grid,
    .cost-grid {
        grid-template-columns: 1fr;
    }
    
    .reponse-control {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
}

@media (max-width: 480px) {
    .form-section {
        padding: 1.5rem;
    }
    
    .btn {
        width: 100%;
        padding: 1rem 2rem;
    }
}