* {
    box-sizing: border-box;
    font-family: Arial, Helvetica, sans-serif;
}

body {
    margin: 0;
    min-height: 100vh;
    background:
        radial-gradient(circle at top, rgba(0,80,255,.25), transparent 35%),
        radial-gradient(circle at right, rgba(90,255,0,.18), transparent 30%),
        #02040a;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
}

.login-box {
    width: 420px;
    max-width: 92%;
    background: rgba(0,0,0,.78);
    border: 1px solid #166cff;
    border-radius: 22px;
    padding: 28px;
    box-shadow:
        0 0 25px rgba(0,120,255,.8),
        inset 0 0 25px rgba(0,120,255,.18);
    position: relative;
    overflow: hidden;
}

.login-box::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(
        140deg,
        transparent,
        rgba(115,255,0,.12),
        transparent
    );
    pointer-events: none;
}

.logo {
    width: 100%;
    display: flex;
    justify-content: center;
    margin-bottom: 12px;
}

.logo img {
    width: 270px;
    max-width: 100%;
    filter: drop-shadow(0 0 18px #006cff);
}

.subtitle {
    text-align: center;
    color: #246cff;
    letter-spacing: 5px;
    font-weight: bold;
    font-size: 13px;
    margin-bottom: 25px;
}

label {
    display: block;
    margin-bottom: 8px;
    color: #2374ff;
    font-size: 13px;
    font-weight: bold;
    letter-spacing: 3px;
}

.input-group {
    margin-bottom: 18px;
}

.input-box {
    display: flex;
    align-items: center;
    border: 1px solid rgba(255,255,255,.15);
    border-radius: 12px;
    padding: 0 14px;
    height: 58px;
    background: rgba(0,0,0,.55);
}

.input-box span {
    color: #74ff22;
    font-size: 24px;
    margin-right: 12px;
}

.input-box input {
    width: 100%;
    background: transparent;
    border: none;
    outline: none;
    color: #fff;
    font-size: 16px;
}

.input-box input::placeholder {
    color: #777;
}

.options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 8px 0 22px;
    font-size: 14px;
}

.options a {
    color: #75ff25;
    text-decoration: none;
}

.btn-login {
    width: 100%;
    height: 58px;
    border: 1px solid #73ff23;
    border-radius: 12px;
    background: linear-gradient(90deg, #125dff, #020b13);
    color: white;
    font-size: 18px;
    font-weight: bold;
    letter-spacing: 6px;
    cursor: pointer;
    transition: .2s;
    box-shadow: 0 0 18px rgba(0,102,255,.8);
}

.btn-login:hover {
    transform: translateY(-1px);
    box-shadow: 0 0 25px rgba(112,255,35,.9);
}

.status {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin: 22px 0;
    color: #aaa;
    font-size: 14px;
}

.dot {
    width: 10px;
    height: 10px;
    background: #196cff;
    display: inline-block;
    border-radius: 50%;
    box-shadow: 0 0 10px #196cff;
    margin-right: 6px;
}

.green {
    background: #72ff22;
    box-shadow: 0 0 10px #72ff22;
}

.ip-title {
    text-align: center;
    color: #72ff22;
    letter-spacing: 3px;
    font-weight: bold;
    margin-bottom: 8px;
}

.ip-box {
    border: 1px solid rgba(255,255,255,.15);
    border-radius: 12px;
    padding: 14px;
    text-align: center;
    color: #2d73ff;
    letter-spacing: 6px;
    font-size: 19px;
}

.error {
    background: rgba(255,0,0,.15);
    border: 1px solid rgba(255,0,0,.5);
    color: #ff6666;
    padding: 10px;
    border-radius: 10px;
    margin-bottom: 15px;
    text-align: center;
}

.footer {
    text-align: center;
    color: #777;
    margin-top: 18px;
    font-size: 13px;
}

@media(max-width: 480px) {

    .login-box {
        padding: 22px;
    }

    .logo img {
        width: 220px;
    }

    .btn-login {
        font-size: 15px;
        letter-spacing: 3px;
    }

    .ip-box {
        font-size: 15px;
        letter-spacing: 3px;
    }

    .status {
        flex-direction: column;
        gap: 10px;
        align-items: center;
    }
}