/**
 * Styles spécifiques aux formulaires de biobanque
 */

/* ===================================
   Page des formulaires
   =================================== */
.forms-page {
    padding: var(--spacing-lg) 0;
    background-color: var(--background-light);
    min-height: calc(100vh - 200px);
}

.page-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.page-header h1 {
    color: var(--primary-color);
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.page-subtitle {
    color: var(--text-light);
    font-size: 1.125rem;
    max-width: 700px;
    margin: 0 auto;
}

/* ===================================
   Système d'onglets
   =================================== */
.tabs {
    display: flex;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
    overflow-x: auto;
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 0;
}

.tab {
    background: none;
    border: none;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-light);
    cursor: pointer;
    transition: var(--transition-smooth);
    border-bottom: 3px solid transparent;
    white-space: nowrap;
    position: relative;
    bottom: -2px;
}

.tab:hover {
    color: var(--secondary-color);
    background-color: rgba(47, 133, 90, 0.05);
}

.tab.active {
    color: var(--secondary-color);
    border-bottom-color: var(--secondary-color);
}

.tab:focus-visible {
    outline: 2px solid var(--secondary-color);
    outline-offset: 2px;
}

/* ===================================
   Panneaux de formulaires
   =================================== */
.tab-panels {
    position: relative;
}

.tab-panel {
    display: none;
    animation: fadeIn 0.3s ease;
}

.tab-panel.active {
    display: block;
}

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

/* ===================================
   Cartes de formulaires
   =================================== */
.form-card {
    background-color: var(--background-white);
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

.form-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, #2c5282 100%);
    color: white;
    padding: var(--spacing-lg);
    text-align: center;
}

.form-header h2 {
    font-size: 1.75rem;
    margin-bottom: var(--spacing-xs);
}

.form-header p {
    opacity: 0.9;
    font-size: 1rem;
}

/* ===================================
   Formulaires de biobanque
   =================================== */
.biobank-form {
    padding: var(--spacing-lg);
}

.biobank-form fieldset {
    border: 2px solid var(--border-color);
    border-radius: 8px;
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.biobank-form legend {
    color: var(--primary-color);
    font-weight: 700;
    font-size: 1.125rem;
    padding: 0 var(--spacing-xs);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.biobank-form .form-group {
    margin-bottom: var(--spacing-sm);
}

.biobank-form label {
    display: block;
    color: var(--text-dark);
    font-weight: 600;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
}

.biobank-form input,
.biobank-form select,
.biobank-form textarea {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: var(--transition-smooth);
    background-color: var(--background-light);
}

.biobank-form input:focus,
.biobank-form select:focus,
.biobank-form textarea:focus {
    outline: none;
    border-color: var(--secondary-color);
    background-color: var(--background-white);
    box-shadow: 0 0 0 3px rgba(47, 133, 90, 0.1);
}

.biobank-form textarea {
    resize: vertical;
    font-family: var(--font-primary);
}

.biobank-form input[type="date"],
.biobank-form input[type="time"],
.biobank-form input[type="number"] {
    cursor: pointer;
}

/* ===================================
   Actions des formulaires
   =================================== */
.form-actions {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: flex-end;
    padding-top: var(--spacing-md);
    border-top: 2px solid var(--border-color);
    margin-top: var(--spacing-md);
}

/* ===================================
   État "Coming Soon"
   =================================== */
.coming-soon {
    padding: var(--spacing-xl);
    text-align: center;
}

.coming-soon p {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
}

.coming-soon p:first-child {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

/* ===================================
   Navigation active
   =================================== */
.nav-link.active {
    color: var(--secondary-color);
    background-color: rgba(47, 133, 90, 0.1);
    font-weight: 700;
}

/* ===================================
   Responsive
   =================================== */
@media (max-width: 768px) {
    .page-header h1 {
        font-size: 2rem;
    }
    
    .tabs {
        gap: 0;
    }
    
    .tab {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: 0.875rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .form-actions button {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .biobank-form {
        padding: var(--spacing-md);
    }
    
    .biobank-form fieldset {
        padding: var(--spacing-sm);
    }
    
    .form-header {
        padding: var(--spacing-md);
    }
    
    .form-header h2 {
        font-size: 1.5rem;
    }
}

/* ===================================
   États de validation
   =================================== */
.biobank-form input.valid,
.biobank-form select.valid,
.biobank-form textarea.valid {
    border-color: #2f855a;
    background-color: #f0fff4;
}

.biobank-form input.invalid,
.biobank-form select.invalid,
.biobank-form textarea.invalid {
    border-color: #e53e3e;
    background-color: #fff5f5;
}

/* Badge de champs requis */
.biobank-form label:has(+ input[required])::after,
.biobank-form label:has(+ select[required])::after,
.biobank-form label:has(+ textarea[required])::after {
    content: '*';
    color: #e53e3e;
    margin-left: 4px;
}