:root{
  --page:#f5f7fb;--card:#ffffff;--card-soft:#f8f9fc;--text:#171a21;--muted:#667085;--faint:#98a2b3;
  --line:#e4e7ec;--line-strong:#d0d5dd;--nerddi:#1d2440;--nerddi-2:#303a69;--accent:#5b5bd6;
  --accent-soft:#f0f0ff;--danger:#b42318;--danger-bg:#fef3f2;--ok:#027a48;--shadow:0 24px 70px rgba(16,24,40,.12);
}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%;font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--page);color:var(--text)}
body{min-height:100vh;background-image:radial-gradient(circle at 50% 0,rgba(91,91,214,.08),transparent 34rem),linear-gradient(180deg,#fbfcff 0%,var(--page) 100%)}
button,input{font:inherit}
.identity-shell{min-height:100vh;display:grid;place-items:center;padding:36px 20px}
.identity-card{width:min(100%,460px);background:var(--card);border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow);padding:34px;position:relative;overflow:hidden}
.identity-card:before{content:"";position:absolute;inset:0 0 auto;height:3px;background:linear-gradient(90deg,#7474df,#a08be8,#6da9df)}
.identity-card.compact{text-align:center}
.nerddi-brand{display:flex;align-items:center;gap:13px;margin:0 0 26px}
.nerddi-brand.centered{justify-content:center}
.nerddi-mark{width:52px;height:52px;border-radius:16px;object-fit:cover;box-shadow:0 8px 22px rgba(29,36,64,.16)}
.nerddi-copy{display:grid;text-align:left;gap:1px}
.nerddi-copy strong{font-size:20px;line-height:1.1;letter-spacing:-.02em;color:var(--nerddi)}
.nerddi-copy span{font-size:11px;color:var(--muted);font-weight:700;letter-spacing:.11em;text-transform:uppercase}
.app-panel{display:flex;align-items:center;gap:13px;padding:14px 15px;margin:0 0 24px;border:1px solid var(--line);border-radius:16px;background:var(--card-soft)}
.app-icon{display:grid;place-items:center;flex:0 0 44px;width:44px;height:44px;border-radius:12px;background:#fff;border:1px solid var(--line);overflow:hidden;font-weight:800;color:var(--nerddi-2);box-shadow:0 2px 8px rgba(16,24,40,.04)}
.app-icon img{width:100%;height:100%;object-fit:cover}
.app-copy{min-width:0;display:block}
.eyebrow{display:block;font-size:10px;text-transform:uppercase;letter-spacing:.12em;color:var(--muted);font-weight:700}
.app-name{display:block;font-size:15px;font-weight:750;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:2px;color:var(--text)}
.verified-host{display:flex;align-items:center;gap:5px;color:var(--muted);font-size:12px;margin-top:3px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.verified-host:before{content:"✓";color:var(--ok);font-weight:900}
h1{font-size:28px;line-height:1.15;letter-spacing:-.035em;margin:0 0 10px;color:var(--text)}
.lead{color:var(--muted);font-size:14px;line-height:1.6;margin:0 0 24px}
.field{margin:0 0 15px}
.field-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:7px}
.field label{font-size:12px;font-weight:700;color:#344054}
.input-wrap{position:relative}
.input-wrap input{width:100%;height:52px;padding:0 14px;border:1px solid var(--line-strong);border-radius:12px;background:#fff;color:var(--text);outline:none;transition:border-color .16s,box-shadow .16s}
.input-wrap input:hover{border-color:#b9c0cc}
.input-wrap input:focus{border-color:#7777db;box-shadow:0 0 0 4px rgba(91,91,214,.11)}
.password-input input{padding-right:68px}
.reveal{position:absolute;right:7px;top:7px;height:38px;padding:0 10px;border:0;background:transparent;color:var(--accent);font-weight:700;cursor:pointer;border-radius:8px}
.reveal:hover,.reveal:focus-visible{background:var(--accent-soft);outline:none}
.caps{display:none;color:#b54708;font-size:11px;margin-top:6px}.caps.show{display:block}
.alert{border:1px solid #fecdca;background:var(--danger-bg);color:var(--danger);padding:11px 13px;border-radius:12px;font-size:13px;line-height:1.45;margin:0 0 16px}
.primary-btn,.secondary-btn{width:100%;height:52px;border-radius:12px;font-weight:750;cursor:pointer;transition:transform .16s,box-shadow .16s,background .16s}
.primary-btn{border:1px solid var(--nerddi);background:var(--nerddi);color:#fff;box-shadow:0 8px 18px rgba(29,36,64,.16)}
.primary-btn:hover{background:#252e52;transform:translateY(-1px);box-shadow:0 10px 22px rgba(29,36,64,.2)}
.primary-btn:disabled{cursor:wait;opacity:.75;transform:none}
.secondary-btn{border:1px solid var(--line-strong);background:#fff;color:#344054}
.secondary-btn:hover{background:#f9fafb}
.button-content{display:flex;align-items:center;justify-content:center;gap:9px}
.spinner{display:none;width:16px;height:16px;border:2px solid rgba(255,255,255,.35);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.loading .spinner{display:block}
.trust-stack{margin-top:18px;padding-top:18px;border-top:1px solid var(--line);display:grid;gap:9px}
.trust-line{display:flex;align-items:center;justify-content:center;gap:8px;color:var(--muted);font-size:11px;line-height:1.3;text-align:center}
.trust-line img{width:18px;height:18px;object-fit:cover;border-radius:5px;flex:0 0 18px}
.trust-line strong{color:#475467;font-weight:700}
.secondary-link{display:block;text-align:center;color:var(--accent);text-decoration:none;font-size:13px;font-weight:650;margin-top:18px}
.secondary-link:hover{text-decoration:underline}
.account-chip{padding:10px 12px;border-radius:12px;background:#f8f7ff;border:1px solid #e4e1ff;font-size:12px;color:var(--muted);margin-bottom:18px}
.account-chip strong{color:var(--text)}
.permission-list{display:grid;gap:9px;margin:0 0 24px}
.permission{display:flex;gap:11px;padding:12px;border-radius:13px;background:#fbfcfe;border:1px solid var(--line)}
.permission-mark{display:grid;place-items:center;width:26px;height:26px;flex:0 0 26px;border-radius:8px;background:#ecfdf3;color:var(--ok);font-weight:900}
.permission strong{display:block;font-size:13px;color:#344054}.permission span{display:block;color:var(--muted);font-size:12px;line-height:1.4;margin-top:2px}
.actions{display:grid;grid-template-columns:1fr 1.35fr;gap:10px}
.legal{text-align:center;color:var(--faint);font-size:11px;margin-top:18px}.legal a{color:var(--muted);text-decoration:none;margin:0 6px}.legal a:hover{color:var(--accent)}
.status-orb{display:grid;place-items:center;width:56px;height:56px;margin:4px auto 18px;border-radius:18px;background:var(--accent-soft);color:var(--accent);font-size:24px;font-weight:900}.status-orb.danger{background:var(--danger-bg);color:var(--danger)}
.reference{font:11px ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--faint)}
.error-brand{justify-content:center;margin-bottom:22px}
@media(max-width:560px){.identity-shell{padding:16px 12px}.identity-card{padding:27px 20px;border-radius:20px}h1{font-size:25px}.actions{grid-template-columns:1fr}.nerddi-brand{margin-bottom:22px}.nerddi-mark{width:48px;height:48px;border-radius:14px}.app-panel{padding:12px}.trust-line{font-size:10.5px}}
@media(prefers-reduced-motion:reduce){.spinner{animation:none!important}.primary-btn{transition:none}}
@media(prefers-color-scheme:dark){
  :root{--page:#0d1018;--card:#151924;--card-soft:#191e2b;--text:#f4f6fb;--muted:#a4adbd;--faint:#7f899a;--line:#2a3040;--line-strong:#384052;--nerddi:#eef1ff;--nerddi-2:#c7ccff;--accent:#a7a7ff;--accent-soft:#222641;--shadow:0 28px 80px rgba(0,0,0,.38)}
  body{background-image:radial-gradient(circle at 50% 0,rgba(104,104,220,.12),transparent 34rem),linear-gradient(180deg,#111520 0%,var(--page) 100%)}
  .identity-card,.input-wrap input,.secondary-btn{background:var(--card)}.field label,.permission strong,.account-chip strong{color:var(--text)}
  .app-icon{background:#111520}.permission{background:#111520}.account-chip{background:#19182b;border-color:#302e50}.primary-btn{background:#eceefe;color:#171a21;border-color:#eceefe}.primary-btn:hover{background:#fff}.trust-line strong{color:#c2c8d3}
}