body {
    font-family: 'Segoe UI', sans-serif;
    background: linear-gradient(135deg, #0f172a, #1e293b);
    color: white;
    margin: 0;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* CONTENEDOR */
.container {
    background: rgba(255,255,255,0.05);
    padding: 40px;
    border-radius: 20px;
    width: 350px;
    text-align: center;
    backdrop-filter: blur(10px);
}

/* TEXTAREA */
textarea {
    width: 100%;
    height: 100px;
    padding: 10px;
    border-radius: 10px;
    border: none;
    background: rgba(255,255,255,0.08);
    color: white;
    margin-bottom: 15px;
}

/* LABELS */
.label {
    display: block;
    text-align: left;
    margin: 10px 0 5px;
    font-size: 14px;
    color: #cbd5f5;
}

/* INPUTS */
input {
    width: 100%;
    padding: 10px;
    border-radius: 10px;
    border: none;
    background: rgba(255,255,255,0.08);
    color: white;
    margin-bottom: 10px;
}

/* CHECKBOX Y RADIO */
.opciones {
    text-align: left;
    margin-bottom: 10px;
}

.opciones input {
    width: auto;
    margin-right: 5px;
}

/* BOTÓN */
.btn {
    width: 100%;
    padding: 12px;
    margin-top: 10px;
    border-radius: 10px;
    border: none;
    background: linear-gradient(135deg, #3b82f6, #9333ea);
    color: white;
    font-weight: bold;
    cursor: pointer;
    transition: 0.3s;
}

.btn:hover {
    transform: scale(1.05);
}

* {
    box-sizing: border-box;
}

@media (max-width: 600px) {
    body {
        align-items: flex-start;
        padding: 20px 0;
        height: auto;
        min-height: 100vh;
    }

    .container {
        width: 90%;
        padding: 24px 20px;
        margin: 0 auto;
    }

    textarea {
        height: 120px;
    }
}