@import url('https://fonts.googleapis.com/css2?family=Source+Sans+3:wght@300;400;600;700&display=swap');
:root{--ink:#15171a;--soft:#6b7177;--line:#e7e8ea;--accent:#1f5fd6;--bad:#c2402f}
*{box-sizing:border-box}
body{font-family:"Source Sans 3","Fira Sans","Segoe UI",system-ui,sans-serif;color:var(--ink);background:#fcfcfb;margin:0;display:flex;min-height:100vh;align-items:center;justify-content:center}
.card{background:#fff;border:1px solid var(--line);border-radius:10px;padding:32px;max-width:380px;width:100%}
h1{font-size:18px;margin:0 0 2px}h1 small{color:var(--soft);font-weight:500;font-size:11px;letter-spacing:.14em;text-transform:uppercase}
.sub{color:var(--soft);font-size:13px;margin:8px 0 18px}
.btn{width:100%;padding:11px;border:1px solid var(--ink);background:var(--ink);color:#fff;border-radius:7px;font:inherit;font-weight:600;cursor:pointer}
.err{color:var(--bad);font-size:12px;margin-top:12px}
a{color:var(--accent)}