body {
    margin: 0;
    font-family: 'Segoe UI', sans-serif;
    background: linear-gradient(135deg, #1e1e2f, #2a2a40);
    color: white;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

/* MAIN CARD */
.container {
    background: rgba(255,255,255,0.05);
    backdrop-filter: blur(20px);
    padding: 40px;
    border-radius: 20px;
    width: 380px;
    text-align: center;
    box-shadow: 0 20px 50px rgba(0,0,0,0.4);
}

/* TITLE */
h1 {
    margin-bottom: 10px;
    font-size: 32px;
}

.subtitle {
    opacity: 0.7;
    margin-bottom: 25px;
}

/* QR */
.qr {
    background: white;
    padding: 15px;
    border-radius: 15px;
    margin-bottom: 25px;
}

.qr img {
    width: 100%;
    border-radius: 10px;
}

/* FORM */
.form {
    display: flex;
    gap: 10px;
}

input {
    flex: 1;
    padding: 12px;
    border-radius: 8px;
    border: none;
    outline: none;
}

button {
    padding: 12px 16px;
    border-radius: 8px;
    border: none;
    background: #ff7a18;
    color: white;
    cursor: pointer;
    transition: 0.2s;
}

button:hover {
    background: #ff9a3c;
}

/* MODAL */
.modal {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.6);
    display: none;
    justify-content: center;
    align-items: center;
}

.modal-content {
    background: #2a2a40;
    padding: 30px;
    border-radius: 15px;
    width: 300px;
    text-align: center;
}

.modal input {
    width: 100%;
    margin-top: 10px;
    margin-bottom: 15px;
}

.close {
    cursor: pointer;
    position: absolute;
    right: 20px;
    top: 15px;
}

/* MOBILE */
@media (max-width: 420px) {
    .container {
        width: 90%;
    }
}