/**
 * ESTILOS DE FORMULARIO
 * Complementa los estilos institucionales para formularios
 */

/* ==========================================
   CONTENEDOR DEL FORMULARIO
   ========================================== */
.formulario-content {
    max-width: 800px;
    padding: var(--espaciado-lg);
}

.formulario-container {
    background: var(--color-blanco);
    border-radius: var(--radio-lg);
    box-shadow: var(--sombra-md);
    padding: var(--espaciado-xl);
}

/* ==========================================
   SECCIONES DEL FORMULARIO
   ========================================== */
.form-section {
    border: 1px solid var(--color-gris);
    border-radius: var(--radio-md);
    padding: var(--espaciado-lg);
    margin-bottom: var(--espaciado-lg);
    background: var(--color-blanco);
}

.form-section legend {
    font-weight: var(--fuente-peso-bold);
    color: var(--color-primario);
    padding: 0 var(--espaciado-sm);
    font-size: 1rem;
}

/* ==========================================
   GRUPOS DE CAMPOS
   ========================================== */
.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--espaciado-md);
    margin-bottom: var(--espaciado-md);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--espaciado-xs);
}

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

/* ==========================================
   LABELS
   ========================================== */
.form-group label {
    font-weight: var(--fuente-peso-medio);
    color: var(--color-texto);
    font-size: 0.875rem;
}

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

/* ==========================================
   INPUTS, SELECTS, TEXTAREAS
   ========================================== */
.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="tel"],
.form-group input[type="number"],
.form-group input[type="date"],
.form-group input[type="time"],
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--espaciado-sm) var(--espaciado-md);
    border: 1px solid var(--color-gris);
    border-radius: var(--radio-sm);
    font-family: inherit;
    font-size: 1rem;
    color: var(--color-texto);
    background: var(--color-blanco);
    transition: var(--transicion);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primario);
    box-shadow: 0 0 0 3px rgba(30, 58, 95, 0.15);
}

.form-group input:hover,
.form-group select:hover,
.form-group textarea:hover {
    border-color: var(--color-primario-claro);
}

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

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

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

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236c757d' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

/* ==========================================
   CHECKBOX Y RADIO
   ========================================== */
.checkbox-group {
    margin-top: var(--espaciado-md);
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: var(--espaciado-sm);
    cursor: pointer;
    line-height: 1.5;
}

.checkbox-label input[type="checkbox"],
.checkbox-label input[type="radio"] {
    width: 18px;
    height: 18px;
    margin-top: 2px;
    flex-shrink: 0;
    cursor: pointer;
    accent-color: var(--color-primario);
}

.checkbox-label .link {
    color: var(--color-primario-claro);
    text-decoration: underline;
}

.checkbox-label .link:hover {
    color: var(--color-primario);
}

/* ==========================================
   MENSAJES DE ERROR
   ========================================== */
.error-message {
    color: var(--color-error);
    font-size: 0.8rem;
    min-height: 1.2rem;
    display: block;
}

/* ==========================================
   BOTONES
   ========================================== */
.form-actions {
    display: flex;
    gap: var(--espaciado-md);
    justify-content: flex-end;
    margin-top: var(--espaciado-xl);
    padding-top: var(--espaciado-lg);
    border-top: 1px solid var(--color-gris);
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--espaciado-sm) var(--espaciado-lg);
    border: 2px solid transparent;
    border-radius: var(--radio-sm);
    font-family: inherit;
    font-size: 1rem;
    font-weight: var(--fuente-peso-medio);
    cursor: pointer;
    transition: var(--transicion);
    text-decoration: none;
    min-width: 120px;
}

.btn-primary {
    background: var(--color-primario);
    color: var(--color-blanco);
    border-color: var(--color-primario);
}

.btn-primary:hover {
    background: var(--color-primario-oscuro);
    border-color: var(--color-primario-oscuro);
}

.btn-secondary {
    background: var(--color-gris);
    color: var(--color-texto);
    border-color: var(--color-gris);
}

.btn-secondary:hover {
    background: var(--color-gris-medio);
    color: var(--color-blanco);
    border-color: var(--color-gris-medio);
}

.btn-outline {
    background: transparent;
    color: var(--color-primario);
    border-color: var(--color-primario);
}

.btn-outline:hover {
    background: var(--color-primario);
    color: var(--color-blanco);
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Spinner de carga */
.spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255,255,255,0.3);
    border-top-color: var(--color-blanco);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin-right: 6px;
}

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

/* ==========================================
   HONEYPOT (oculto)
   ========================================== */
.honeypot {
    position: absolute;
    left: -9999px;
    top: -9999px;
    opacity: 0;
    pointer-events: none;
}

/* ==========================================
   MODALES
   ========================================== */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: var(--espaciado-md);
}

.modal-content {
    background: var(--color-blanco);
    border-radius: var(--radio-lg);
    max-width: 500px;
    width: 100%;
    box-shadow: var(--sombra-lg);
    animation: modalIn 0.3s ease;
}

.modal-content.modal-lg {
    max-width: 700px;
}

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

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

.modal-header h2 {
    font-size: 1.25rem;
    color: var(--color-primario);
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--color-gris-medio);
    cursor: pointer;
    padding: 0;
    line-height: 1;
}

.modal-close:hover {
    color: var(--color-texto);
}

.modal-body {
    padding: var(--espaciado-lg);
    max-height: 60vh;
    overflow-y: auto;
}

.modal-body h3 {
    font-size: 1rem;
    color: var(--color-primario);
    margin-top: var(--espaciado-md);
    margin-bottom: var(--espaciado-sm);
}

.modal-body h3:first-child {
    margin-top: 0;
}

.modal-body p {
    color: var(--color-gris-oscuro);
    line-height: 1.6;
}

.modal-footer {
    display: flex;
    gap: var(--espaciado-md);
    justify-content: flex-end;
    padding: var(--espaciado-lg);
    border-top: 1px solid var(--color-gris);
}

/* ==========================================
   NOTIFICACIONES
   ========================================== */
.notificacion {
    position: fixed;
    top: var(--espaciado-lg);
    right: var(--espaciado-lg);
    padding: var(--espaciado-md) var(--espaciado-lg);
    border-radius: var(--radio-md);
    display: flex;
    align-items: center;
    gap: var(--espaciado-md);
    box-shadow: var(--sombra-lg);
    z-index: 1001;
    animation: notifIn 0.3s ease;
    max-width: 400px;
}

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

.notificacion.success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.notificacion.error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.notificacion.warning {
    background: #fff3cd;
    color: #856404;
    border: 1px solid #ffeeba;
}

.notificacion-mensaje {
    flex: 1;
}

.notificacion-close {
    background: none;
    border: none;
    font-size: 1.25rem;
    cursor: pointer;
    opacity: 0.7;
    color: inherit;
}

.notificacion-close:hover {
    opacity: 1;
}

/* ==========================================
   RESPONSIVE
   ========================================== */
/* ==========================================
   CHECKBOX GROUP (Opciones Múltiples)
   ========================================== */
.checkbox-group-container {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    padding: 0.5rem 0;
}

.checkbox-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--color-fondo);
    border: 1px solid var(--color-borde);
    border-radius: var(--radio-md);
    cursor: pointer;
    transition: var(--transicion);
    font-size: 0.9rem;
}

.checkbox-item:hover {
    background: var(--color-primario-claro);
    border-color: var(--color-primario);
}

.checkbox-item input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--color-primario);
    cursor: pointer;
}

.checkbox-item input[type="checkbox"]:checked + span {
    color: var(--color-primario);
    font-weight: var(--fuente-peso-medio);
}

/* Campo "Otro" condicional */
.otro-container {
    margin-top: 0.5rem;
}

.otro-container input {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    border: 1px solid var(--color-borde);
    border-radius: var(--radio-md);
    transition: var(--transicion);
}

.otro-container input:focus {
    border-color: var(--color-primario);
    outline: none;
    box-shadow: 0 0 0 3px var(--color-primario-claro);
}

/* ==========================================
   RESPONSIVE
   ========================================== */
@media (max-width: 640px) {
    .formulario-content {
        padding: var(--espaciado-md);
    }
    
    .formulario-container {
        padding: var(--espaciado-md);
    }
    
    .form-section {
        padding: var(--espaciado-md);
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .form-actions .btn {
        width: 100%;
    }
    
    .notificacion {
        left: var(--espaciado-md);
        right: var(--espaciado-md);
        max-width: none;
    }
    
    .checkbox-group-container {
        flex-direction: column;
    }
    
    .checkbox-item {
        width: 100%;
    }
}