:root{color-scheme:light;--ink:#090977;--muted:#68707a;--ground:#f5f7f7;--line:#e2e2e2;--panel:#fff;--shadow:0 18px 44px rgba(0,32,56,.09)}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100svh;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:#121212;background:var(--ground)}.auth-shell{min-height:100svh;display:grid;place-items:center;padding:2rem 1.25rem}.auth-card{width:min(100%,400px);padding:2.5rem;background:var(--panel);border-radius:18px;box-shadow:var(--shadow)}.auth-heading{text-align:center;margin-bottom:2rem}.auth-heading h1{display:flex;align-items:center;justify-content:center;gap:.5rem;margin:0 0 .5rem;color:var(--ink);font-size:2rem;line-height:1.1;letter-spacing:-.035em}.cell-mark{font-size:2.1rem;font-weight:400;line-height:.8}.auth-heading p{margin:0;color:var(--muted);font-size:.95rem}form{display:grid;gap:.5rem}label{margin-top:.75rem;font-size:.875rem;font-weight:600;color:#202027}select,input{width:100%;height:2.35rem;padding:0 .75rem;border:1px solid var(--line);border-radius:9px;background:#fff;color:#1f2025;font:inherit;font-size:.92rem;outline:none;transition:border-color 160ms ease,box-shadow 160ms ease}select:focus,input:focus{border-color:var(--ink);box-shadow:0 0 0 3px rgba(9,9,119,.12)}button{margin-top:1.45rem;min-height:2.5rem;border:0;border-radius:8px;background:var(--ink);color:#fff;font:inherit;font-size:.92rem;cursor:pointer;transition:transform 160ms cubic-bezier(.2,.8,.2,1),filter 160ms ease}button:hover{filter:brightness(1.08)}button:active{transform:translateY(1px)}.forgot{margin-top:.9rem;min-height:auto;background:transparent;color:var(--ink)}.forgot:hover{background:transparent;text-decoration:underline;text-underline-offset:3px}.demo-note{margin:1.4rem 0 0;text-align:center;color:var(--muted);font-size:.8rem;line-height:1.45}.demo-note[data-state="active"]{color:var(--ink);font-weight:600}.back-link{position:fixed;left:1.5rem;bottom:1.25rem;color:#48515c;font-size:.82rem;text-decoration:none}.back-link:hover{color:var(--ink)}@media (max-width:480px){.auth-card{padding:2rem 1.5rem;border-radius:15px}.auth-heading h1{font-size:1.75rem}.back-link{position:static;display:block;padding:0 1.25rem 1.25rem;text-align:center}}