:root{
    --mbs-bg:#0b1220;
    --mbs-card:#0f1a30;
    --mbs-line:rgba(255,255,255,.10);
    --mbs-text:#e7eefc;
    --mbs-muted:#a8b4d6;
    --mbs-accent:#42C5F4;
    --mbs-danger:#ff6b6b;
    --mbs-shadow:0 10px 30px rgba(0,0,0,.35);
    --mbs-radius:18px;
}

*,
*::before,
*::after{
    box-sizing:border-box;
}

body.login-page{
    margin:0;
    min-height:100vh;
    display:grid;
    place-items:center;
}

.login-wrap{
    width:min(440px, calc(100vw - 24px));
    background:linear-gradient(180deg, rgba(255,255,255,.05), transparent 35%), var(--mbs-card);
    border:1px solid var(--mbs-line);
    border-radius:var(--mbs-radius);
    box-shadow:var(--mbs-shadow);
    padding:22px;
}

.login-title{
    font-size:26px;
    font-weight:800;
    color:var(--mbs-text);
}

.login-sub{
    margin-top:4px;
    color:var(--mbs-muted);
    font-size:13px;
}

.login-err{
    margin:12px 0;
    padding:10px 12px;
    border-radius:12px;
    border:1px solid rgba(255,107,107,.35);
    background:rgba(255,107,107,.12);
    color:#ffd0d0;
}

.login-form label{
    display:block;
    margin:12px 0 6px;
    font-weight:700;
    font-size:13px;
    color:var(--mbs-muted);
}

.login-form input{
    width:100%;
    padding:11px 12px;
    border-radius:12px;
    border:1px solid rgba(255,255,255,.12);
    background:rgba(0,0,0,.18);
    color:var(--mbs-text);
    font-size:14px;
    outline:none;
    transition:border-color .15s ease, box-shadow .15s ease, background .15s ease;
}

.login-form input:focus{
    border-color:rgba(66,197,244,.60);
    box-shadow:0 0 0 4px rgba(66,197,244,.18);
    background:rgba(0,0,0,.22);
}

.login-form .login-check{
    margin:12px 0 0;
    display:flex;
    align-items:center;
    gap:12px;
    color:var(--mbs-text);
    font-weight:600;
    font-size:13px;
    line-height:1.3;
    cursor:pointer;
    user-select:none;
    position:relative;
}

.login-form .login-check input[type="checkbox"]{
    margin:0;
    width:1px;
    height:1px;
    opacity:0;
    position:absolute;
    pointer-events:none;
}

.login-form .login-check-box{
    width:20px;
    height:20px;
    border-radius:7px;
    border:1px solid rgba(255,255,255,.28);
    background:linear-gradient(180deg, rgba(255,255,255,.10), rgba(255,255,255,.03));
    box-shadow:inset 0 1px 0 rgba(255,255,255,.18), 0 6px 12px rgba(0,0,0,.22);
    display:inline-flex;
    align-items:center;
    justify-content:center;
    transition:all .18s ease;
}

.login-form .login-check-box::after{
    content:"";
    width:10px;
    height:6px;
    border-left:2px solid #fff;
    border-bottom:2px solid #fff;
    transform:rotate(-45deg) translateY(-1px) scale(0.75);
    opacity:0;
    transition:opacity .14s ease, transform .14s ease;
}

.login-form .login-check-text{
    letter-spacing:.1px;
}

.login-form .login-check input[type="checkbox"]:checked + .login-check-box{
    background:linear-gradient(180deg, #4fd0ff, #1fa8df);
    border-color:rgba(79,208,255,.95);
    box-shadow:0 0 0 3px rgba(66,197,244,.18), 0 8px 16px rgba(25,110,150,.35);
}

.login-form .login-check input[type="checkbox"]:checked + .login-check-box::after{
    opacity:1;
    transform:rotate(-45deg) translateY(-1px) scale(1);
}

.login-form .login-check input[type="checkbox"]:focus-visible + .login-check-box{
    box-shadow:0 0 0 4px rgba(66,197,244,.30), inset 0 1px 0 rgba(255,255,255,.16);
}

.login-form .login-check.is-disabled{
    opacity:.65;
    cursor:not-allowed;
}

.login-form .login-check input[type="checkbox"]:disabled{
    cursor:not-allowed;
}

.login-form .login-check input[type="checkbox"]:disabled + .login-check-box{
    filter:saturate(.45) brightness(.92);
}

.login-btn{
    width:100%;
    margin-top:16px;
    padding:11px 14px;
    border:1px solid rgba(66,197,244,.40);
    border-radius:12px;
    background:rgba(66,197,244,.16);
    color:var(--mbs-text);
    font-weight:800;
    cursor:pointer;
}

.login-btn:hover{
    background:rgba(66,197,244,.22);
    border-color:rgba(66,197,244,.70);
}

.login-hint{
    margin-top:12px;
    color:var(--mbs-muted);
    font-size:12px;
}

@media (max-width: 420px){
    .login-wrap{
        width: calc(100vw - 16px);
        padding: 16px;
        border-radius: 14px;
    }
    .login-title{
        font-size: 22px;
    }
}