:root{--ink:#151516;--paper:#f5f5f7;--muted:#6e6e73;--line:#e2e2e6}*{box-sizing:border-box}body{min-width:320px;min-height:100vh;margin:0;background:radial-gradient(circle at 16% 18%,rgba(106,121,245,.18),transparent 32%),radial-gradient(circle at 84% 78%,rgba(245,123,103,.15),transparent 28%),var(--paper);color:var(--ink);font-family:Geist,"Noto Sans SC",sans-serif}.login-shell{display:grid;min-height:100vh;place-items:center;padding:28px}.login-card{width:min(100%,430px);padding:32px;border:1px solid rgba(255,255,255,.82);border-radius:28px;background:rgba(255,255,255,.74);box-shadow:0 28px 80px rgba(20,20,23,.12);backdrop-filter:blur(24px);animation:card-in .7s cubic-bezier(.2,.8,.2,1) both}.brand{display:flex;align-items:center;gap:8px;color:var(--ink);font-size:14px;font-weight:700;letter-spacing:-.6px;text-decoration:none}.brand span{width:11px;height:11px;border-radius:3px;background:var(--ink);transform:rotate(45deg)}.login-copy{margin:58px 0 34px}.eyebrow{margin:0;color:var(--muted);font-size:11px;font-weight:600;letter-spacing:.12em}.login-copy h1{max-width:30rem;margin:12px 0;font-size:clamp(36px,8vw,52px);letter-spacing:-.075em;line-height:.98}.login-copy p:not(.eyebrow){margin:0;color:var(--muted);font-size:14px;line-height:1.6}form{display:grid;gap:9px}label{color:var(--muted);font-size:12px;font-weight:500}.password-field{display:flex;align-items:center;border:1px solid var(--line);border-radius:13px;background:rgba(248,248,250,.82);transition:border-color .2s ease,box-shadow .2s ease}.password-field:focus-within{border-color:#9b9ba1;box-shadow:0 0 0 4px rgba(21,21,22,.06);background:#fff}input{width:100%;min-width:0;border:0;outline:0;background:transparent;padding:13px 14px;color:var(--ink);font:500 15px Geist,"Noto Sans SC",sans-serif}#toggle-password{border:0;background:transparent;color:var(--muted);padding:10px 13px;font:500 12px inherit;cursor:pointer}.form-error{min-height:18px;margin:0;color:#bd3f34;font-size:12px}.login-button{display:flex;align-items:center;justify-content:center;gap:10px;border:0;border-radius:999px;background:var(--ink);color:#fff;padding:14px 18px;font:600 14px Geist,"Noto Sans SC",sans-serif;cursor:pointer;transition:transform .25s ease,background .25s ease}.login-button:hover:not(:disabled){background:#000;transform:scale(1.02)}.login-button:disabled{cursor:wait;opacity:.65}.login-footnote{position:fixed;bottom:26px;margin:0;color:var(--muted);font-size:11px;letter-spacing:.03em}@keyframes card-in{from{opacity:0;transform:translateY(20px) scale(.98)}to{opacity:1;transform:none}}@media(max-width:520px){.login-shell{padding:18px}.login-card{padding:26px 22px;border-radius:24px}.login-copy{margin:46px 0 30px}}