/* ===== RESET AGAR TIDAK MELEBAR ===== */
*,
*::before,
*::after {
    box-sizing: border-box;
}

body {
    background-color: #000d1a;
    font-family: Arial, sans-serif;
    color: #fff;
    margin: 0;
    padding: 10px;
    overflow-x: hidden;
}

/* ===== CONTAINER ===== */
.container {
    width: 100%;
    max-width: 420px;
    margin: 20px auto;
    padding: 20px;
    background: #001f33;
    border-radius: 15px;
    box-shadow: 0 0 20px #00ffff;
}

/* ===== INPUT, SELECT, TEXTAREA ===== */
input[type="text"],
input[type="number"],
textarea,
select {
    width: 100%;
    max-width: 100%;
    background: #001427;
    color: #fff;
    border: 2px solid #00ffff;
    border-radius: 10px;
    padding: 10px;
    font-size: 16px;
    margin-bottom: 15px;
    box-shadow: 0 0 10px #00ffff inset;
}

/* placeholder */
input::placeholder,
textarea::placeholder {
    color: #cccccc;
}

/* ===== BUTTON ===== */
button,
.btn {
    display: block;
    width: 100%;
    max-width: 100%;
    padding: 12px;
    font-size: 16px;
    color: white;
    background-color: #00aaff;
    border: 2px solid #00ffff;
    border-radius: 10px;
    cursor: pointer;
    text-decoration: none;
    text-align: center;
    box-shadow: 0 0 15px #00ffff, 0 0 30px #00ffff inset;
    margin-top: 10px;
}

button:hover,
.btn:hover {
    background-color: #0088cc;
    box-shadow: 0 0 25px #00ffff, 0 0 40px #00ffff inset;
}

/* ===== TEXT ===== */
h2, h3 {
    color: #00ffff;
    text-align: center;
}

/* ===== WALLET ===== */
.wallet {
    background: #000b26;
    color: #4dc3ff;
    padding: 15px;
    margin-bottom: 20px;
    border-radius: 10px;
    box-shadow: 0 0 10px #4dc3ff;
    word-wrap: break-word;
    font-size: 14px;
}

/* ===== MESSAGE ===== */
.message {
    background-color: #002244;
    color: #00ffff;
    padding: 10px;
    margin-bottom: 15px;
    border: 1px solid #00ffff;
    border-radius: 10px;
    text-align: center;
    font-weight: bold;
}

/* ===== HR ===== */
hr {
    border: none;
    border-top: 1px solid #00ffff;
    margin: 20px 0;
}

/* ===== MENU ===== */
.menu-bar {
    background-color: #001f33;
    border-bottom: 2px solid #00ffff;
    text-align: center;
    padding: 10px 5px;
    margin-bottom: 20px;
    box-shadow: 0 0 15px #00ffff;
}

.menu-bar a {
    display: inline-block;
    color: #00ffff;
    text-decoration: none;
    font-weight: bold;
    margin: 5px;
    padding: 8px 12px;
    border-radius: 5px;
    transition: background 0.3s;
}

.menu-bar a:hover {
    background-color: #004466;
}

/* ===== BUTTON SMALL ===== */
.btn-small {
    display: inline-block;
    background: #004466;
    color: #00ffff;
    border: 1px solid #00ffff;
    padding: 6px 10px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    margin-top: 5px;
}

.btn-small:hover {
    background: #005577;
}

/* ===== MOBILE EXTRA RAPAT ===== */
@media (max-width: 480px) {
    body {
        padding: 5px;
    }

    .container {
        padding: 15px;
        margin: 10px auto;
    }

    button,
    .btn {
        font-size: 15px;
        padding: 10px;
    }
}