body {
    font-family: Arial, sans-serif;
    background-color: #f3f3f3;
    text-align: center;
    padding: 40px;
}

.login-container, .fichaje-container {
    background: white;
    padding: 30px;
    border-radius: 12px;
    width: 350px;
    margin: 0 auto;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

h2, h3 {
    margin-bottom: 15px;
    text-align: center;
}

input {
    display: block;
    width: 100%;
    margin: 8px 0;
    padding: 8px;
}

button {
    margin: 6px;
    padding: 10px 20px;
    border: none;
    border-radius: 6px;
    color: white;
    cursor: pointer;
}

.btn.verde { background-color: #28a745; }
.btn.rojo { background-color: #dc3545; }
.btn.azul { background-color: #007bff; }
.btn.gris { background-color: #6c757d; }

.btn:disabled {
    background-color: #cccccc;
    cursor: not-allowed;
}

#nombreEmpleado {
    border-bottom: 3px solid #007bff; /* color azul bootstrap */
    padding-bottom: 6px;
    font-weight: bold;
    font-size: 1.5rem;
    margin-bottom: 20px;
    display: inline-block;
}

#cronometro {
    font-size: 2em;
    margin-bottom: 15px;
}

.oculto { display: none; }

#mensaje {
    transition: opacity 0.5s ease;
    opacity: 1;
}

    #mensaje.hidden {
        opacity: 0;
    }