:root{color-scheme:light dark;font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;--blue:#03a9f4;--bg:#f1f5f9;--card:#fff;--text:#1b2838;--muted:#657384;--border:#d7e0ea}
*{box-sizing:border-box}body{background:var(--bg);color:var(--text);min-height:100vh;display:grid;place-items:center;margin:0;padding:24px}.login-card{background:var(--card);border:1px solid var(--border);border-radius:20px;box-shadow:0 20px 45px #192f4720;width:min(100%,440px);padding:35px}.symbol{display:grid;place-items:center;border-radius:14px;background:var(--blue);color:#fff;font-weight:800;font-size:22px;width:56px;height:56px;margin-bottom:25px}.eyebrow{letter-spacing:.16em;font-size:11px;font-weight:800;color:var(--blue)}h1{font-size:28px;line-height:1.15;margin:7px 0 12px}.lead{color:var(--muted);line-height:1.5;margin:0 0 24px}label{display:block;font-size:13px;font-weight:700;margin-bottom:17px}input{display:block;margin-top:7px;border-radius:9px;background:var(--card);color:var(--text);border:1px solid var(--border);height:44px;padding:10px 12px;font:inherit;width:100%}input:focus{outline:2px solid var(--blue);outline-offset:1px}button{border:0;border-radius:9px;background:var(--blue);color:white;font-size:15px;font-weight:700;width:100%;padding:13px;cursor:pointer}button:disabled{opacity:.65}.optional{font-weight:400;color:var(--muted)}.error{min-height:20px;font-size:13px;color:#dc4242;margin-top:12px}.help{color:var(--muted);font-size:12px;line-height:1.6;border-top:1px solid var(--border);padding-top:17px;margin:16px 0 0}code{font-size:11px;overflow-wrap:anywhere}
@media(prefers-color-scheme:dark){:root{--bg:#0c1722;--card:#192735;--text:#eaf3fa;--muted:#acbdcc;--border:#344657}}