.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 60px;

    display: flex;
    justify-content: space-between;
    align-items: center;

    padding: 0 15px;

    background: rgba(0,0,0,0.85);
    backdrop-filter: blur(8px);

    color: white;
    z-index: 10;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.logo {
    font-size: 16px;
    font-weight: bold;
    letter-spacing: 0.5px;
}

.btn-next {
    background: #ff0050;
    color: white;
    border: none;
    padding: 8px 14px;
    border-radius: 8px;

    cursor: pointer;
    font-weight: bold;
}

.btn-next:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background: #000;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;

    font-family: Arial;
}

.container {
    width: 100%;
    max-width: 500px;
}

iframe {
    width: 100%;
    height: 80vh;
    border: none;
    border-radius: 12px;
    background: #111;
}

button {
    width: 100%;
    height: 60px;
    margin-top: 10px;

    border: none;
    border-radius: 12px;

    background: #ff0050;
    color: white;

    font-size: 18px;
    cursor: pointer;
}


/* MODAL */

.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;

    background: rgba(0,0,0,0.95);
    display: flex;
    justify-content: center;
    align-items: center;

    z-index: 9999;
}

.modal-box {
    background: #111;
    padding: 20px;
    border-radius: 12px;
    text-align: center;
    color: white;
    width: 90%;
    max-width: 400px;
}

.modal-buttons {
    margin-top: 20px;
    display: flex;
    justify-content: space-between;
}

.modal button {
    padding: 10px 15px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
}

#enterBtn {
    background: #ff0050;
    color: white;
}

#exitBtn {
    background: #333;
    color: white;
}