<div class="modal-demo">
<button class="modal-trigger" id="openModalBtn">Abrir Modal</button>
</div>
<!-- Modal -->
<div class="modal" id="modal" role="dialog" aria-labelledby="modalTitle" aria-describedby="modalDescription" aria-hidden="true">
<div class="modal-overlay" id="modalOverlay"></div>
<div class="modal-container" role="document">
<div class="modal-header">
<h2 id="modalTitle">Título del Modal</h2>
<button class="modal-close" id="modalClose" aria-label="Cerrar modal">×</button>
</div>
<div class="modal-body">
<p id="modalDescription">Este es un diálogo modal con animaciones suaves y características de accesibilidad.</p>
<form class="modal-form">
<div class="form-group">
<label for="name">Nombre</label>
<input type="text" id="name" name="name" required>
</div>
<div class="form-group">
<label for="email">Correo Electrónico</label>
<input type="email" id="email" name="email" required>
</div>
<div class="form-group">
<label for="message">Mensaje</label>
<textarea id="message" name="message" rows="4"></textarea>
</div>
</form>
</div>
<div class="modal-footer">
<button class="btn btn-secondary" id="modalCancel">Cancelar</button>
<button class="btn btn-primary" id="modalSubmit">Enviar</button>
</div>
</div>
</div>
.modal-demo {
display: flex;
justify-content: center;
align-items: center;
min-height: 200px;
background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
border-radius: 15px;
}
.modal-trigger {
padding: 15px 30px;
background: rgba(255, 255, 255, 0.2);
color: white;
border: 2px solid rgba(255, 255, 255, 0.3);
border-radius: 8px;
font-size: 16px;
font-weight: 600;
cursor: pointer;
transition: all 0.3s ease;
backdrop-filter: blur(10px);
}
.modal-trigger:hover {
background: rgba(255, 255, 255, 0.3);
border-color: rgba(255, 255, 255, 0.5);
transform: translateY(-2px);
box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}
/* Estilos del modal */
.modal {
position: fixed;
top: 0;
left: 0;
width: 100%;
height: 100%;
z-index: 1000;
display: flex;
align-items: center;
justify-content: center;
visibility: hidden;
opacity: 0;
}
.modal.active {
visibility: visible;
opacity: 1;
}
.modal-overlay {
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
background: rgba(0, 0, 0, 0.5);
opacity: 0;
transition: opacity 0.3s ease;
}
.modal.active .modal-overlay {
opacity: 1;
}
.modal-container {
position: relative;
background: white;
border-radius: 15px;
box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
width: 90%;
max-width: 500px;
max-height: 90vh;
overflow-y: auto;
transform: scale(0.7) translateY(50px);
transition: transform 0.3s ease;
}
.modal.active .modal-container {
transform: scale(1) translateY(0);
}
.modal-header {
display: flex;
justify-content: space-between;
align-items: center;
padding: 25px 25px 15px;
border-bottom: 1px solid #f0f0f0;
}
.modal-header h2 {
margin: 0;
font-size: 1.5rem;
font-weight: 600;
color: #333;
}
.modal-close {
background: none;
border: none;
font-size: 24px;
color: #999;
cursor: pointer;
width: 36px;
height: 36px;
display: flex;
align-items: center;
justify-content: center;
border-radius: 50%;
transition: all 0.2s ease;
}
.modal-close:hover {
background: #f1f5f9;
color: #333;
}
.modal-body {
padding: 25px;
}
.modal-footer {
display: flex;
justify-content: flex-end;
gap: 15px;
padding: 15px 25px 25px;
border-top: 1px solid #f0f0f0;
}
.btn {
padding: 12px 24px;
border: none;
border-radius: 8px;
font-size: 14px;
font-weight: 600;
cursor: pointer;
transition: all 0.3s ease;
}
.btn-primary {
background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
color: white;
}
.btn-primary:hover {
transform: translateY(-2px);
box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}
.btn-secondary {
background: #f1f5f9;
color: #666;
}
.btn-secondary:hover {
background: #e2e8f0;
transform: translateY(-2px);
}
.form-group {
margin-bottom: 20px;
}
.form-group label {
display: block;
margin-bottom: 8px;
font-weight: 500;
color: #333;
}
.form-group input,
.form-group textarea {
width: 100%;
padding: 12px 15px;
border: 2px solid #e2e8f0;
border-radius: 8px;
font-size: 14px;
transition: border-color 0.3s ease;
box-sizing: border-box;
}
.form-group input:focus,
.form-group textarea:focus {
outline: none;
border-color: #667eea;
}
/* Animaciones */
@keyframes modalFadeIn {
from {
opacity: 0;
visibility: hidden;
}
to {
opacity: 1;
visibility: visible;
}
}
@keyframes modalFadeOut {
from {
opacity: 1;
visibility: visible;
}
to {
opacity: 0;
visibility: hidden;
}
}
@keyframes modalSlideIn {
from {
transform: scale(0.7) translateY(50px);
}
to {
transform: scale(1) translateY(0);
}
}
@keyframes modalSlideOut {
from {
transform: scale(1) translateY(0);
}
to {
transform: scale(0.7) translateY(50px);
}
}
/* Responsivo */
@media (max-width: 768px) {
.modal-container {
width: 95%;
margin: 20px;
}
.modal-header,
.modal-body,
.modal-footer {
padding: 20px;
}
.modal-footer {
flex-direction: column;
}
.btn {
width: 100%;
}
}
document.addEventListener('DOMContentLoaded', function() {
// Obtener elementos del DOM
const openModalBtn = document.getElementById('openModalBtn');
const modal = document.getElementById('modal');
const modalOverlay = document.getElementById('modalOverlay');
const modalClose = document.getElementById('modalClose');
const modalCancel = document.getElementById('modalCancel');
const modalSubmit = document.getElementById('modalSubmit');
// Abrir modal
openModalBtn.addEventListener('click', openModal);
// Funciones para cerrar el modal
function openModal() {
modal.classList.add('active');
modal.setAttribute('aria-hidden', 'false');
document.body.style.overflow = 'hidden';
modal.focus();
}
function closeModal() {
modal.classList.remove('active');
modal.setAttribute('aria-hidden', 'true');
document.body.style.overflow = 'auto';
}
// Escuchadores de eventos para cerrar el modal
modalOverlay.addEventListener('click', closeModal);
modalClose.addEventListener('click', closeModal);
modalCancel.addEventListener('click', closeModal);
// Cerrar modal con la tecla Escape
document.addEventListener('keydown', function(e) {
if (e.key === 'Escape' && modal.classList.contains('active')) {
closeModal();
}
});
// Envío del formulario
modalSubmit.addEventListener('click', function(e) {
e.preventDefault();
// Obtener valores del formulario
const name = document.getElementById('name').value;
const email = document.getElementById('email').value;
// Validación simple
if (name && email) {
// Mostrar mensaje de éxito
alert(`¡Formulario enviado con éxito!\nNombre: ${name}\nCorreo: ${email}`);
closeModal();
// Restablecer formulario
document.querySelector('.modal-form').reset();
} else {
alert('Por favor, complete todos los campos requeridos.');
}
});
// Enfocar dentro del modal
const focusableElements = modal.querySelectorAll(
'button, [href], input, select, textarea, [tabindex]:not([tabindex="-1"])'
);
const firstFocusableElement = focusableElements[0];
const lastFocusableElement = focusableElements[focusableElements.length - 1];
modal.addEventListener('keydown', function(e) {
if (e.key === 'Tab') {
if (e.shiftKey) {
if (document.activeElement === firstFocusableElement) {
lastFocusableElement.focus();
e.preventDefault();
}
} else {
if (document.activeElement === lastFocusableElement) {
firstFocusableElement.focus();
e.preventDefault();
}
}
}
});
});