Hover, Focus y Variantes de Estado

Variantes de Estado en Tailwind

Tailwind proporciona modificadores para estilizar elementos según su estado. Estos modificadores se pueden combinar con cualquier clase utilitaria.

Estado Hover

<!-- Hover básico -->
<button class="bg-blue-500 hover:bg-blue-600 text-white px-4 py-2 rounded">
  Hover me
</button>

<!-- Hover con múltiples cambios -->
<div class="bg-white hover:bg-gray-50 hover:shadow-lg transition-all p-4 rounded">
  Hover for effects
</div>

<!-- Color de texto en hover -->
<a href="#" class="text-gray-600 hover:text-blue-600">
  Hover link
</a>

Estado Focus

<!-- Focus ring -->
<input
  type="text"
  class="border border-gray-300 focus:border-blue-500 focus:ring-2 focus:ring-blue-200 rounded px-4 py-2 outline-none"
  placeholder="Focus me"
>

<!-- Focus visible (solo teclado) -->
<button class="px-4 py-2 bg-blue-500 text-white rounded focus-visible:ring-2 focus-visible:ring-blue-300 focus-visible:ring-offset-2">
  Keyboard focus only
</button>

<!-- Focus within (hijo con focus) -->
<div class="p-4 border focus-within:border-blue-500 focus-within:ring-2 focus-within:ring-blue-200 rounded">
  <input type="text" class="outline-none" placeholder="Focus changes parent">
</div>

Estado Active

<button class="bg-blue-500 hover:bg-blue-600 active:bg-blue-700 active:scale-95 transition-all text-white px-4 py-2 rounded">
  Click and hold
</button>

Estado Disabled

<button
  disabled
  class="bg-blue-500 text-white px-4 py-2 rounded disabled:bg-gray-300 disabled:cursor-not-allowed disabled:opacity-50"
>
  Disabled Button
</button>

<input
  disabled
  class="border rounded px-4 py-2 disabled:bg-gray-100 disabled:text-gray-400"
  value="Disabled input"
>

Group Hover

Estiliza elementos hijos según el hover del contenedor padre:

<div class="group p-4 bg-white hover:bg-blue-500 rounded transition-colors">
  <h3 class="font-bold text-gray-900 group-hover:text-white">
    Card Title
  </h3>
  <p class="text-gray-600 group-hover:text-blue-100">
    Card description changes on parent hover
  </p>
  <span class="text-blue-500 group-hover:text-white group-hover:translate-x-2 inline-block transition-all">
    Learn more →
  </span>
</div>

Modificador Peer

Estiliza un elemento según el estado de un hermano:

<div>
  <input type="checkbox" id="toggle" class="peer sr-only">
  <label for="toggle" class="cursor-pointer">Toggle</label>
  <div class="hidden peer-checked:block mt-2 p-4 bg-green-100 rounded">
    This appears when checkbox is checked
  </div>
</div>

<!-- Estilos para validación de formularios -->
<div>
  <input
    type="email"
    class="peer border rounded px-4 py-2 invalid:border-red-500"
    placeholder="Enter email"
    required
  >
  <p class="hidden peer-invalid:block text-red-500 text-sm mt-1">
    Please enter a valid email
  </p>
</div>

First, Last, Odd, Even

<ul class="divide-y">
  <li class="py-2 first:pt-0 last:pb-0">Item 1</li>
  <li class="py-2 first:pt-0 last:pb-0">Item 2</li>
  <li class="py-2 first:pt-0 last:pb-0">Item 3</li>
</ul>

<!-- Zebra striping -->
<table>
  <tbody>
    <tr class="odd:bg-gray-50 even:bg-white"><td>Row 1</td></tr>
    <tr class="odd:bg-gray-50 even:bg-white"><td>Row 2</td></tr>
    <tr class="odd:bg-gray-50 even:bg-white"><td>Row 3</td></tr>
  </tbody>
</table>

Estados de Formularios

<!-- Campo requerido -->
<input
  type="text"
  required
  class="border rounded px-4 py-2 required:border-red-500"
>

<!-- Válido/Inválido -->
<input
  type="email"
  class="border rounded px-4 py-2 valid:border-green-500 invalid:border-red-500"
>

<!-- Placeholder visible -->
<input
  type="text"
  placeholder="Enter name"
  class="border rounded px-4 py-2 placeholder-shown:border-gray-300"
>

<!-- Solo lectura -->
<input
  readonly
  value="Read only"
  class="border rounded px-4 py-2 read-only:bg-gray-100"
>

Combinando Estados

<!-- Responsive + hover -->
<button class="bg-blue-500 md:hover:bg-blue-600 lg:hover:bg-blue-700">
  Responsive hover
</button>

<!-- Modo oscuro + hover -->
<button class="bg-white hover:bg-gray-100 dark:bg-gray-800 dark:hover:bg-gray-700">
  Dark mode aware
</button>

<!-- Group + focus -->
<div class="group">
  <input class="peer" type="text">
  <span class="group-hover:text-blue-500 peer-focus:text-green-500">
    Label
  </span>
</div>

Ejemplo de Botón Interactivo

<button class="
  px-6 py-3
  bg-gradient-to-r from-blue-500 to-purple-500
  hover:from-blue-600 hover:to-purple-600
  active:from-blue-700 active:to-purple-700
  focus:ring-4 focus:ring-blue-300
  disabled:from-gray-400 disabled:to-gray-400 disabled:cursor-not-allowed
  text-white font-semibold rounded-lg
  transform hover:scale-105 active:scale-95
  transition-all duration-200
  shadow-lg hover:shadow-xl
">
  Interactive Button
</button>