/* ============================================
   FORMULAIRE DE DEMANDE - STYLES
   ============================================ */

.form-section {
    background: var(--gray-50);
    padding: calc(var(--nav-height) + var(--spacing-2xl)) 0 var(--spacing-3xl);
    min-height: 100vh;
}

.form-wrapper {
    max-width: 900px;
    margin: 0 auto;
}

/* ==================== PROGRESS BAR ==================== */
.progress-bar {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-2xl);
    padding: 0 var(--spacing-md);
}

.progress-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    position: relative;
}

.step-number {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--gray-200);
    color: var(--gray-500);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: var(--font-weight-bold);
    font-size: 1.125rem;
    transition: all var(--transition-base);
    z-index: 2;
}

.progress-step.active .step-number,
.progress-step.completed .step-number {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-light) 100%);
    color: white;
    box-shadow: var(--shadow-md);
}

.step-label {
    font-size: 0.75rem;
    font-weight: var(--font-weight-medium);
    color: var(--gray-500);
    text-align: center;
    transition: color var(--transition-base);
}

.progress-step.active .step-label,
.progress-step.completed .step-label {
    color: var(--primary-dark);
}

.progress-line {
    flex: 1;
    height: 2px;
    background: var(--gray-200);
    margin: 0 var(--spacing-sm);
    max-width: 80px;
    transition: background var(--transition-base);
}

.progress-step.completed ~ .progress-line {
    background: var(--primary-blue);
}

/* ==================== FORM CARD ==================== */
.form-card {
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.form-step {
    display: none;
}

.form-step.active {
    display: block;
    animation: fadeIn 0.3s ease-in-out;
}

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

.form-title {
    font-size: 1.875rem;
    font-weight: var(--font-weight-extrabold);
    color: var(--primary-dark);
    margin-bottom: var(--spacing-sm);
}

.form-subtitle {
    font-size: 1rem;
    color: var(--gray-600);
    margin-bottom: var(--spacing-2xl);
}

/* ==================== FORM GRID ==================== */
.form-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

/* ==================== FORM GROUPS ==================== */
.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-weight: var(--font-weight-semibold);
    color: var(--primary-dark);
    margin-bottom: var(--spacing-sm);
    font-size: 0.875rem;
}

.required {
    color: var(--error);
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="tel"],
.form-group input[type="date"],
.form-group input[type="number"],
.form-group select {
    padding: 0.875rem var(--spacing-lg);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    font-size: 1rem;
    font-family: inherit;
    transition: all var(--transition-fast);
    background: var(--gray-50);
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-blue);
    background: white;
    box-shadow: 0 0 0 3px rgba(30, 58, 138, 0.1);
}

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

.form-group input.success,
.form-group select.success {
    border-color: var(--success);
}

.field-hint {
    font-size: 0.75rem;
    color: var(--gray-500);
    margin-top: var(--spacing-xs);
}

/* ==================== INPUT WITH ICON ==================== */
.input-with-icon {
    position: relative;
    display: flex;
    align-items: center;
}

.input-with-icon input {
    flex: 1;
    padding-right: 60px !important;
}

.input-icon {
    position: absolute;
    right: var(--spacing-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--gray-500);
    pointer-events: none;
}

/* ==================== RADIO & CHECKBOX ==================== */
.radio-group,
.checkbox-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.radio-label,
.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    cursor: pointer;
    font-weight: var(--font-weight-normal);
}

.radio-label input,
.checkbox-label input {
    margin-top: 2px;
    width: 20px;
    height: 20px;
    cursor: pointer;
    accent-color: var(--primary-blue);
}

.checkbox-label a {
    color: var(--primary-blue);
    text-decoration: underline;
}

/* ==================== FILE UPLOAD ==================== */
.file-upload-area {
    border: 2px dashed var(--gray-300);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    transition: all var(--transition-fast);
    cursor: pointer;
    position: relative;
}

.file-upload-area:hover {
    border-color: var(--primary-blue);
    background: var(--gray-50);
}

.file-upload-area.dragover {
    border-color: var(--primary-blue);
    background: rgba(30, 58, 138, 0.05);
}

.upload-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto var(--spacing-md);
    color: var(--gray-400);
    stroke-width: 1.5;
}

.file-upload-content p {
    margin-bottom: var(--spacing-sm);
    color: var(--gray-700);
}

.file-upload-content small {
    color: var(--gray-500);
    font-size: 0.875rem;
}

.file-selected {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--gray-50);
    border-radius: var(--radius-md);
}

.file-icon {
    width: 32px;
    height: 32px;
    color: var(--primary-blue);
    flex-shrink: 0;
}

.file-name {
    flex: 1;
    text-align: left;
    font-weight: var(--font-weight-medium);
    color: var(--primary-dark);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.btn-remove {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--error);
    color: white;
    font-size: 1.5rem;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

.btn-remove:hover {
    background: #B91C1C;
    transform: scale(1.1);
}

/* ==================== FORM ACTIONS ==================== */
.form-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: flex-end;
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--gray-200);
}

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

.btn-secondary:hover {
    background: var(--primary-blue);
    color: white;
}

/* ==================== SECURITY BADGE ==================== */
.security-badge {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: var(--gray-100);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    max-width: 400px;
    margin: 0 auto;
}

.security-badge svg {
    width: 40px;
    height: 40px;
    color: var(--success);
    flex-shrink: 0;
}

.security-badge strong {
    display: block;
    color: var(--primary-dark);
    font-size: 0.875rem;
    margin-bottom: 2px;
}

.security-badge p {
    font-size: 0.75rem;
    color: var(--gray-600);
    margin: 0;
}

/* ==================== VALIDATION MESSAGES ==================== */
.error-message {
    display: none;
    font-size: 0.75rem;
    color: var(--error);
    margin-top: var(--spacing-xs);
}

.error-message.show {
    display: block;
}

.success-message {
    display: none;
    font-size: 0.75rem;
    color: var(--success);
    margin-top: var(--spacing-xs);
}

.success-message.show {
    display: block;
}

/* ==================== RESPONSIVE ==================== */
@media (min-width: 768px) {
    .form-card {
        padding: var(--spacing-2xl);
    }
    
    .form-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .form-group.full-width {
        grid-column: 1 / -1;
    }
    
    .form-title {
        font-size: 2.25rem;
    }
    
    .progress-bar {
        padding: 0;
    }
    
    .step-label {
        font-size: 0.875rem;
    }
    
    .progress-line {
        max-width: 120px;
    }
    
    .radio-group {
        flex-direction: row;
    }
}

@media (min-width: 1024px) {
    .form-section {
        padding: calc(var(--nav-height) + 3rem) 0 var(--spacing-3xl);
    }
}

/* ==================== LOADING STATE ==================== */
.btn.loading {
    position: relative;
    color: transparent;
    pointer-events: none;
}

.btn.loading::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    top: 50%;
    left: 50%;
    margin-left: -10px;
    margin-top: -10px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 0.6s linear infinite;
}

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