* { box-sizing: border-box; }

body {
    margin: 0;
    min-height: 100vh;
    font-family: 'Trebuchet MS', 'Segoe UI', sans-serif;
    background: radial-gradient(circle at top, #ffd6e8 0%, #ff9ec4 45%, #ff6fa5 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    position: relative;
    overflow-x: hidden;
}

body::before {
    content: "💖 💕 💗 💓 💞 💘";
    position: fixed;
    top: 0; left: 0; right: 0;
    font-size: 28px;
    letter-spacing: 40px;
    opacity: 0.25;
    padding: 12px;
    pointer-events: none;
}

.card {
    background: #fff;
    border-radius: 24px;
    padding: 36px 32px;
    max-width: 420px;
    width: 100%;
    box-shadow: 0 20px 60px rgba(214, 51, 108, 0.35);
    border: 3px solid #ffb6d5;
    text-align: center;
}

.card h1 {
    color: #d6336c;
    font-size: 26px;
    margin: 0 0 6px;
}

.card .subtitulo {
    color: #a34368;
    font-size: 14px;
    margin-bottom: 24px;
}

label {
    display: block;
    text-align: left;
    font-weight: bold;
    color: #a3336c;
    margin: 16px 0 6px;
    font-size: 14px;
}

select, input[type=email] {
    width: 100%;
    padding: 12px 14px;
    border-radius: 12px;
    border: 2px solid #ffc2dd;
    font-size: 15px;
    outline: none;
    transition: border-color .2s;
}

select:focus, input[type=email]:focus {
    border-color: #ff6fa5;
}

button {
    margin-top: 24px;
    width: 100%;
    padding: 14px;
    border: none;
    border-radius: 14px;
    background: linear-gradient(135deg, #ff6fa5, #d6336c);
    color: white;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    box-shadow: 0 8px 20px rgba(214, 51, 108, 0.4);
}

button:hover { filter: brightness(1.05); }
button:disabled { opacity: 0.6; cursor: not-allowed; }

.mensaje {
    margin-top: 18px;
    padding: 14px;
    border-radius: 12px;
    font-size: 14px;
}

.mensaje.ok { background: #ffe3ef; color: #a3336c; border: 2px solid #ff9ec4; }
.mensaje.error { background: #fde2e2; color: #b02a2a; border: 2px solid #f5a3a3; }

.contador {
    margin-top: 18px;
    font-size: 13px;
    color: #a3336c;
}

.cerrado {
    font-size: 48px;
    margin-bottom: 12px;
}