:root{color-scheme:dark;--background:#0b0c0d;--surface:#151719;--surface-strong:#1d2022;--line:#34383b;--text:#f4f4f2;--muted:#a9aaac;--yellow:#f7bd21;--yellow-dark:#181300;--danger:#ffcc80}*{box-sizing:border-box}html{background:var(--background)}body{margin:0;min-height:100svh;background:radial-gradient(circle at 85% 8%,rgba(247,189,33,.12),transparent 28rem),var(--background);color:var(--text);font-family:Arial,Helvetica,sans-serif}button,input{font:inherit}button{-webkit-tap-highlight-color:transparent}.site-header{display:flex;align-items:center;justify-content:space-between;min-height:76px;padding:max(18px,env(safe-area-inset-top)) 22px 16px;border-bottom:1px solid var(--line)}.brand-mark{color:var(--yellow);font-size:1.5rem;font-weight:900;letter-spacing:-.07em}.eyebrow,.spike-label{color:var(--muted);font-size:.72rem;font-weight:800;letter-spacing:.13em}.yellow{color:var(--yellow)}.page-shell{width:min(100%,640px);margin:0 auto;padding:34px 18px calc(48px + env(safe-area-inset-bottom))}.hero{padding:4px 4px 28px}.hero h1{max-width:520px;margin:9px 0 14px;font-size:clamp(2.35rem,10vw,4rem);line-height:.97;letter-spacing:-.06em}.hero p:last-child,.supporting-copy{color:var(--muted);line-height:1.55}.auth-card,.checklist{margin-bottom:18px;padding:24px;border:1px solid var(--line);border-radius:20px;background:linear-gradient(145deg,rgba(29,32,34,.96),rgba(18,20,21,.96));box-shadow:0 18px 45px rgba(0,0,0,.24)}.auth-card h2,.checklist h2{margin:7px 0 20px;font-size:1.45rem}form{display:grid;grid-gap:12px;gap:12px}label{color:var(--muted);font-size:.84rem;font-weight:700}input{width:100%;min-height:54px;padding:0 16px;border:1px solid #4a4e51;border-radius:12px;outline:none;background:#0d0f10;color:var(--text)}input:focus{border-color:var(--yellow);box-shadow:0 0 0 3px rgba(247,189,33,.16)}.token-input{font-size:1.8rem;font-weight:800;letter-spacing:.28em;text-align:center}.primary-button,.secondary-button,.text-button{min-height:52px;border:0;border-radius:12px;font-weight:850;cursor:pointer}.primary-button{margin-top:4px;background:var(--yellow);color:var(--yellow-dark)}.secondary-button{width:100%;margin-top:8px;background:var(--text);color:#111}.text-button{min-height:42px;background:transparent;color:var(--yellow)}button:disabled{cursor:not-allowed;opacity:.52}.message{margin:16px 0 0;padding:12px 14px;border-left:3px solid var(--yellow);background:rgba(247,189,33,.08);color:var(--text);line-height:1.45}.warning{color:var(--danger)}.destination,.signed-in-email{margin:0 0 4px;color:var(--yellow);font-weight:800;overflow-wrap:anywhere}.checklist ol{display:grid;grid-gap:12px;gap:12px;margin:0;padding-left:24px;color:var(--muted);line-height:1.5}code{color:var(--yellow);font-size:.9em}@media (min-width:700px){.site-header{padding-inline:34px}.page-shell{padding-top:54px}}