/* 
 * Styles pour les formulaires et modals - Version complète
 */

/* Modal base */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(4px);
}

.modal.active {
    display: flex;
}

.modal-content {
    background: white;
    border-radius: 8px;
    padding: 2rem;
    max-width: 800px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    box-shadow: var(--shadow-lg);
    animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: scale(0.95) translateY(-20px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--gray-200);
}

.modal-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--gray-900);
    margin: 0;
}

.modal-subtitle {
    color: var(--gray-600);
    font-size: 0.9rem;
    margin-top: 0.25rem;
}

.close-btn {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--gray-500);
    padding: 0.5rem;
    border-radius: 4px;
    transition: all 0.2s;
    width: 2.5rem;
    height: 2.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.close-btn:hover {
    background: var(--gray-100);
    color: var(--gray-700);
}

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

.form-label {
    display: block;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.form-label.required::after {
    content: ' *';
    color: var(--danger-red);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--gray-300);
    border-radius: 6px;
    font-size: 0.9rem;
    transition: all 0.2s;
    background: white;
    font-family: inherit;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-input.error,
.form-select.error,
.form-textarea.error {
    border-color: var(--danger-red);
    box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.1);
}

.form-input.success,
.form-select.success,
.form-textarea.success {
    border-color: var(--success-green);
    box-shadow: 0 0 0 3px rgba(5, 150, 105, 0.1);
}

.form-input:disabled,
.form-select:disabled,
.form-textarea:disabled {
    background: var(--gray-100);
    color: var(--gray-500);
    cursor: not-allowed;
    opacity: 0.7;
}

.form-textarea {
    resize: vertical;
    min-height: 100px;
    line-height: 1.5;
}

.form-help {
    font-size: 0.8rem;
    color: var(--gray-500);
    margin-top: 0.25rem;
    line-height: 1.4;
}

.form-error {
    font-size: 0.8rem;
    color: var(--danger-red);
    margin-top: 0.25rem;
    display: flex;
    align-items: center;
    gap: 0.25rem;
    line-height: 1.4;
}

.form-success {
    font-size: 0.8rem;
    color: var(--success-green);
    margin-top: 0.25rem;
    display: flex;
    align-items: center;
    gap: 0.25rem;
    line-height: 1.4;
}

/* Layout formulaires */
.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.form-grid-thirds {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 1.5rem;
}

.form-grid-full {
    grid-column: 1 / -1;
}

.form-row {
    display: flex;
    gap: 1rem;
    align-items: end;
}

.form-row .form-group {
    flex: 1;
    margin-bottom: 0;
}

/* Sélecteurs en cascade */
.cascade-select {
    position: relative;
}

.cascade-select .form-select {
    padding-right: 2.5rem;
}

.cascade-select::after {
    content: '▼';
    position: absolute;
    right: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray-400);
    pointer-events: none;
    font-size: 0.8rem;
}

.cascade-select.loading::after {
    content: '';
    width: 16px;
    height: 16px;
    border: 2px solid var(--gray-300);
    border-top: 2px solid var(--primary-blue);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

/* Secteurs hiérarchiques */
.sectors-cascade {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.sector-level {
    position: relative;
}

.sector-level .form-label::before {
    content: attr(data-level);
    display: inline-block;
    width: 1.5rem;
    height: 1.5rem;
    background: var(--primary-blue);
    color: white;
    border-radius: 50%;
    text-align: center;
    font-size: 0.7rem;
    line-height: 1.5rem;
    margin-right: 0.5rem;
    font-weight: bold;
}

.sector-level.level-2 .form-label::before {
    background: var(--success-green);
}

.sector-level.level-3 .form-label::before {
    background: var(--warning-orange);
}

.sector-level.level-4 .form-label::before {
    background: #7c3aed;
}

/* Saisie financière */
.financial-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.year-section {
    background: var(--gray-50);
    padding: 1.5rem;
    border-radius: 8px;
    border: 1px solid var(--gray-200);
}

.year-section.n-minus-1 {
    background: #f0f9ff;
    border-color: #bae6fd;
}

.year-section.n {
    background: #f0fdf4;
    border-color: #bbf7d0;
}

.year-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.year-badge {
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
}

.year-badge.n-minus-1 {
    background: var(--primary-blue);
    color: white;
}

.year-badge.n {
    background: var(--success-green);
    color: white;
}

.years-selector {
    background: #f0f9ff;
    padding: 1.5rem;
    border-radius: 8px;
    border: 1px solid #bae6fd;
    margin-bottom: 2rem;
}

/* Checkboxes et radios */
.form-checkbox,
.form-radio {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.form-checkbox input,
.form-radio input {
    width: auto;
    margin: 0;
}

.form-checkbox label,
.form-radio label {
    margin: 0;
    font-weight: normal;
    cursor: pointer;
}

/* Groups de champs */
.form-group-header {
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--gray-200);
}

.form-section {
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: var(--gray-50);
    border-radius: 8px;
    border: 1px solid var(--gray-200);
}

.form-section-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: 1rem;
}

/* Champs financiers spécialisés */
.financial-input {
    position: relative;
}

.financial-input .form-input {
    padding-right: 3rem;
    text-align: right;
}

.financial-input::after {
    content: attr(data-currency);
    position: absolute;
    right: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray-500);
    font-size: 0.9rem;
    pointer-events: none;
}

.percentage-input .form-input {
    padding-right: 2rem;
    text-align: right;
}

.percentage-input::after {
    content: '%';
    position: absolute;
    right: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray-500);
    pointer-events: none;
}

/* États de validation visuels */
.form-group.validating .form-input,
.form-group.validating .form-select {
    border-color: var(--warning-orange);
}

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

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

/* Responsive */
@media (max-width: 768px) {
    .modal-content {
        padding: 1rem;
        margin: 1rem;
        width: calc(100% - 2rem);
    }
    
    .form-grid,
    .form-grid-thirds {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .financial-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .sectors-cascade {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        flex-direction: column;
        gap: 0;
    }
    
    .form-row .form-group {
        margin-bottom: 1.5rem;
    }
}

@media (max-width: 480px) {
    .modal-content {
        margin: 0.5rem;
        width: calc(100% - 1rem);
        max-height: calc(100vh - 1rem);
    }
    
    .form-grid {
        gap: 1rem;
    }
    
    .year-section {
        padding: 1rem;
    }
}