body.css-auth {
    margin: 0;
    min-height: 100vh;
    color: var(--css-text);
    background:
        radial-gradient(circle at 12% 8%, rgba(100, 194, 224, .12), transparent 30rem),
        var(--css-bg-app);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
.css-auth * { box-sizing: border-box; }
.css-auth a { color: var(--css-primary); }
.css-auth-header {
    min-height: 76px;
    padding: 14px clamp(18px, 4vw, 48px);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    background: var(--css-bg-strong);
    border-bottom: 1px solid var(--css-border);
}
.css-auth-header img { display: block; width: min(210px, 48vw); height: 48px; object-fit: contain; object-position: left center; }
.css-auth-header__context { color: var(--css-text-muted); font-size: 13px; text-transform: uppercase; letter-spacing: .08em; font-weight: 800; }
.css-auth-main { width: min(1180px, calc(100% - 32px)); margin: 0 auto; padding: clamp(28px, 5vw, 64px) 0; }
.css-auth-main--login { width: min(460px, calc(100% - 32px)); }
.css-auth-card, .css-auth .card, .css-auth .hero, .css-auth .code-card {
    background: var(--css-bg-surface);
    border: 1px solid var(--css-border);
    border-radius: 8px;
    box-shadow: 0 18px 46px rgba(0,0,0,.18);
}
.css-auth-card { padding: clamp(24px, 5vw, 40px); }
.css-auth-brand { padding: 24px; margin: -8px -8px 28px; text-align: center; background: #0a1117; border: 1px solid var(--css-border); border-radius: 6px; }
.css-auth-brand img { display: block; width: min(280px, 100%); max-height: 122px; margin: auto; object-fit: contain; }
.css-auth h1, .css-auth h2, .css-auth h3, .css-auth h4 { color: var(--css-text); }
.css-auth h1 { margin: 0 0 8px; font-size: clamp(25px, 3vw, 34px); }
.css-auth .sub, .css-auth .card-sub, .css-auth .hero p, .css-auth .field-help, .css-auth .copy-help { color: var(--css-text-muted); }
.css-auth label { display: block; margin-top: 14px; color: var(--css-text); font-size: 13px; font-weight: 800; text-transform: uppercase; letter-spacing: .04em; }
.css-auth input, .css-auth select {
    width: 100%; min-height: 44px; margin-top: 6px; padding: 10px 12px;
    color: var(--css-text); background: var(--css-bg-subtle); border: 1px solid var(--css-border); border-radius: 4px;
}
.css-auth input:focus, .css-auth select:focus { border-color: var(--css-primary); outline: 3px solid rgba(100,194,224,.15); }
.css-auth button, .css-auth .btn {
    min-height: 42px; margin-top: 18px; padding: 10px 16px; border: 1px solid transparent; border-radius: 4px;
    background: var(--css-primary); color: #071118; font: inherit; font-weight: 800; cursor: pointer; text-decoration: none;
}
.css-auth button { width: 100%; }
.css-auth button:hover, .css-auth .btn:hover { filter: brightness(1.08); }
.css-auth .links { display: flex; justify-content: center; gap: 18px; margin-top: 20px; font-size: 13px; }
.css-auth .error, .css-auth .err, .css-auth .msg, .css-auth .suggestion {
    margin-bottom: 18px; padding: 13px 14px; border: 1px solid; border-radius: 4px;
}
.css-auth .error, .css-auth .err { color: #ff9d96; background: rgba(174,50,43,.16); border-color: #a94d48; }
.css-auth .msg { color: #87dca8; background: rgba(30,128,77,.16); border-color: #347c54; }
.css-auth .suggestion { color: var(--css-primary); background: rgba(100,194,224,.1); border-color: var(--css-primary); }
.css-auth .hero { padding: 24px; margin-bottom: 22px; border-left: 4px solid var(--css-primary); }
.css-auth .hero h1 { margin: 0 0 8px; }
.css-auth .grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; align-items: start; }
.css-auth .card, .css-auth .code-card { padding: 22px; margin-bottom: 22px; }
.css-auth .card h2 { margin-top: 0; }
.css-auth .form-row, .css-auth .phone-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.css-auth .phone-row { grid-template-columns: minmax(180px, .8fr) 1.2fr; }
.css-auth .notice, .css-auth .site-confirm, .css-auth .approver { background: var(--css-bg-subtle); border: 1px solid var(--css-border); border-radius: 4px; padding: 12px; }
.css-auth .approver { display: flex; gap: 10px; align-items: center; text-transform: none; letter-spacing: normal; }
.css-auth .approver input { width: auto; min-height: 0; margin: 0; }
.css-auth .site-found { margin-top: 22px; padding-top: 18px; border-top: 1px solid var(--css-border); }
.css-auth .site-confirm-row { display: grid; grid-template-columns: 130px 1fr; gap: 10px; padding: 6px 0; }
.css-auth .site-confirm-label { color: var(--css-text-muted); font-weight: 800; }
.css-auth .code { padding: 18px; color: var(--css-text); background: var(--css-bg-subtle); border: 1px dashed var(--css-primary); border-radius: 4px; text-align: center; font-size: clamp(30px, 6vw, 46px); font-weight: 900; letter-spacing: .05em; cursor: pointer; }
.css-auth .footer-brand { margin-top: 16px; text-align: center; }
.css-auth .footer-brand img { width: min(260px, 70vw); max-height: 90px; object-fit: contain; }
@media (max-width: 800px) {
    .css-auth .grid, .css-auth .form-row, .css-auth .phone-row { grid-template-columns: 1fr; }
    .css-auth-header__context { display: none; }
}

/* Authentication contrast reinforcement */
html[data-theme="dark"] body.css-auth{
    background:
        radial-gradient(circle at 12% 8%,rgba(97,168,197,.14),transparent 30rem),
        var(--css-bg-app)!important;
}
.css-auth .css-auth-card,.css-auth .card,.css-auth .hero,.css-auth .code-card{
    color:var(--css-text)!important;
    background:var(--css-bg-surface)!important;
    border-color:var(--css-border)!important;
}
.css-auth input,.css-auth select{
    color:var(--css-text)!important;
    background:var(--css-bg-subtle)!important;
    border:1px solid var(--css-border-strong)!important;
    box-shadow:inset 0 0 0 1px rgba(255,255,255,.025);
}
.css-auth input::placeholder{color:var(--css-text-muted)!important;opacity:.9}
.css-auth input:hover,.css-auth select:hover{border-color:var(--css-text-muted)!important}
.css-auth input:focus,.css-auth select:focus{
    background:var(--css-bg-surface)!important;
    border-color:var(--css-primary)!important;
    outline:3px solid color-mix(in srgb,var(--css-primary) 24%,transparent)!important;
}
.css-auth button,.css-auth .btn{
    color:var(--css-bg-strong)!important;
    background:var(--css-primary)!important;
    border-color:var(--css-primary)!important;
}
html[data-theme="dark"] .css-auth button,html[data-theme="dark"] .css-auth .btn{
    color:#071118!important;
    background:#82bdd3!important;
    border-color:#82bdd3!important;
}
.css-auth button:hover,.css-auth .btn:hover{background:var(--css-primary-hover)!important}
.css-auth-header .btn{width:auto!important;margin:0!important;white-space:nowrap}
.css-auth .links a,.css-auth a{color:var(--css-primary)!important}
.css-auth label{color:var(--css-text)!important}
.css-auth .sub,.css-auth .card-sub,.css-auth .hero p,.css-auth .field-help,.css-auth .copy-help{color:var(--css-text-muted)!important}

.css-auth .success{
    margin-bottom:18px;
    padding:13px 14px;
    color:var(--css-success);
    background:var(--css-success-soft);
    border:1px solid var(--css-success);
    border-radius:var(--css-radius-sm);
    text-align:left;
}