sidebar elastico

This tailwind example is contributed by Raul antonio de la cruz hernandez, on 24-Jul-2025. Component is made with Tailwind CSS v3. It is responsive. similar terms for this example is drawer

Button Sidebar

Author Raul antonio de la cruz hernandez

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<!DOCTYPE html>
<html lang="es">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Sidebar Animado</title>
    <script src="https://cdn.tailwindcss.com"></script>
    <style>
        .sidebar-enter-active, .sidebar-leave-active {
            transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .sidebar-enter-from, .sidebar-leave-to {
            transform: translateX(100%);
            opacity: 0;
        }
        .resizer {
            width: 10px;
            height: 100%;
            position: absolute;
            top: 0;
            left: 0;
            cursor: col-resize;
            z-index: 10;
            background: rgba(156, 163, 175, 0.3);
            transition: background 0.2s ease;
        }
        .resizer:hover {
            background: rgba(59, 130, 246, 0.5);
        }
    </style>
</head>
<body class="flex h-screen bg-gray-100 overflow-hidden">
    
    <div class="flex-1 p-4 overflow-auto">
        <h1 class="text-2xl font-bold mb-4">Contenido Principal</h1>
        <p class="mb-4">Haz clic en el botón para abrir el sidebar derecho.</p>
        <button id="toggleSidebar" class="bg-blue-500 hover:bg-blue-600 text-white px-4 py-2 rounded-lg transition-colors duration-200">
            ☰ Abrir Sidebar
        </button>
    </div>

<div class="p-4 flex-1 overflow-auto">
                <div class="flex justify-between items-center mb-6">
                    <h2 class="text-xl font-bold text-gray-800">Menú Principal</h2>
                    <button id="closeSidebar" class="text-gray-500 hover:text-gray-700 transition-colors duration-200">
                        <svg xmlns="http://www.w3.org/2000/svg" class="h-6 w-6" fill="none" viewBox="0 0 24 24" stroke="currentColor">
                            <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M6 18L18 6M6 6l12 12" />
                        </svg>
                    </button>
                </div>

<nav class="space-y-1">
                    <a href="#" class="flex items-center px-4 py-3 text-gray-700 hover:bg-blue-50 rounded-lg transition-all duration-200">
                        <svg xmlns="http://www.w3.org/2000/svg" class="h-5 w-5 mr-3" fill="none" viewBox="0 0 24 24" stroke="currentColor">
                            <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M3 12l2-2m0 0l7-7 7 7M5 10v10a1 1 0 001 1h3m10-11l2 2m-2-2v10a1 1 0 01-1 1h-3m-6 0a1 1 0 001-1v-4a1 1 0 011-1h2a1 1 0 011 1v4a1 1 0 001 1m-6 0h6" />
                        </svg>
                        Inicio
                    </a>
                    <a href="#" class="flex items-center px-4 py-3 text-gray-700 hover:bg-blue-50 rounded-lg transition-all duration-200">
                        <svg xmlns="http://www.w3.org/2000/svg" class="h-5 w-5 mr-3" fill="none" viewBox="0 0 24 24" stroke="currentColor">
                            <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M16 7a4 4 0 11-8 0 4 4 0 018 0zM12 14a7 7 0 00-7 7h14a7 7 0 00-7-7" />
                        </svg>
                        Perfil
                    </a>
                    <a href="#" class="flex items-center px-4 py-3 text-gray-700 hover:bg-blue-50 rounded-lg transition-all duration-200">
                        <svg xmlns="http://www.w3.org/2000/svg" class="h-5 w-5 mr-3" fill="none" viewBox="0 0 24 24" stroke="currentColor">
                            <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M10.325 4.317c.426-1.756 2.924-1.756 3.35 0a1.724 1.724 0 002.573 1.066c1.543-.94 3.31.826 2.37 2.37a1.724 1.724 0 001.065 2.572c1.756.426 1.756 2.924 0 3.35a1.724 1.724 0 00-1.066 2.573c.94 1.543-.826 3.31-2.37 2.37a1.724 1.724 0 00-2.572 1.065c-.426 1.756-2.924 1.756-3.35 0a1.724 1.724 0 00-2.573-1.066c-1.543.94-3.31-.826-2.37-2.37a1.724 1.724 0 00-1.065-2.572c-1.756-.426-1.756-2.924 0-3.35a1.724 1.724 0 001.066-2.573c-.94-1.543.826-3.31 2.37-2.37.996.608 2.296.07 2.572-1.065z" />
                            <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M15 12a3 3 0 11-6 0 3 3 0 016 0" />
                        </svg>
                        Configuración
                    </a>
                </nav>
            </div>

<div class="p-4 border-t">
                <button id="toggleSize" class="w-full flex items-center justify-center bg-gray-100 hover:bg-gray-200 text-gray-800 px-4 py-2 rounded-lg transition-all duration-200">
                    <svg xmlns="http://www.w3.org/2000/svg" class="h-5 w-5 mr-2" fill="none" viewBox="0 0 24 24" stroke="currentColor">
                        <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M4 8V4m0 0h4M4 4l5 5m11-1V4m0 0h-4m4 0l-5 5M4 16v4m0 0h4m-4 0l5-5m11 5l-5-5m5 5v-4m0 4h-4" />
                    </svg>
                    Ajustar tamaño
                </button>
            </div>
        </div>
    </div>

const sidebarContainer = document.getElementById('sidebarContainer');
        const sidebar = document.getElementById('sidebar');
        const overlay = document.getElementById('overlay');
        const toggleSidebarBtn = document.getElementById('toggleSidebar');
        const closeSidebarBtn = document.getElementById('closeSidebar');
        const toggleSizeBtn = document.getElementById('toggleSize');
        const resizer = document.getElementById('resizer');

let isOpen = false;
        let isDragging = false;
        let startX, startWidth;

function toggleSidebar() {
            isOpen = !isOpen;

if (isOpen) {
                sidebarContainer.classList.remove('translate-x-full');
                overlay.classList.remove('opacity-0', 'pointer-events-none');
                overlay.classList.add('opacity-100', 'pointer-events-auto');
            } else {
                sidebarContainer.classList.add('translate-x-full');
                overlay.classList.remove('opacity-100', 'pointer-events-auto');
                overlay.classList.add('opacity-0', 'pointer-events-none');
            }
        }

toggleSidebarBtn.addEventListener('click', toggleSidebar);
        closeSidebarBtn.addEventListener('click', toggleSidebar);
        overlay.addEventListener('click', toggleSidebar);

toggleSizeBtn.addEventListener('click', () => {
            const currentWidth = parseInt(getComputedStyle(sidebar).width);
            sidebar.style.width = currentWidth === 320 ? '480px' : '320px';
        });

resizer.addEventListener('mousedown', (e) => {
            isDragging = true;
            startX = e.clientX;
            startWidth = parseInt(getComputedStyle(sidebar).width);
            document.body.style.cursor = 'col-resize';
            document.addEventListener('mousemove', dragHandler);
            document.addEventListener('mouseup', stopDrag);
        });

function dragHandler(e) {
            if (!isDragging) return;
            const newWidth = startWidth + (startX - e.clientX);
            sidebar.style.width = `${Math.max(280, Math.min(newWidth, 600))}px`;
        }

function stopDrag() {
            isDragging = false;
            document.body.style.cursor = '';
            document.removeEventListener('mousemove', dragHandler);
            document.removeEventListener('mouseup', stopDrag);
        }
    </script>
</body>
</html>

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