/* Estilos Base - Mobile First */
body {
    margin: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #1a472a, #d42426); /* Verde y Rojo Navideño */
    color: white;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    text-align: center;
}

.container {
    padding: 20px;
    width: 90%;
    max-width: 400px;
}

.card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    border: 1px solid rgba(255, 255, 255, 0.18);
}

h1 {
    font-size: 2rem;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
}

.message {
    font-size: 1.2rem;
    line-height: 1.5;
    margin-bottom: 30px;
}

button {
    background-color: #f8b229; /* Dorado */
    border: none;
    padding: 15px 30px;
    border-radius: 50px;
    color: #1a472a;
    font-weight: bold;
    font-size: 1rem;
    cursor: pointer;
    transition: transform 0.2s;
}

button:active {
    transform: scale(0.95);
}

/* Animación simple */
.fade-in {
    animation: fadeIn 2s ease-in;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}