/* Login / notice pages. Same tokens as the calculator (light + dark). */
:root{--bg:#eef1f4;--surface:#fff;--ink:#16202c;--muted:#5a6575;--line:#d6dde5;--accent:#1d55c0;--accent-ink:#fff;--flame:#b8600d;--bad:#b0332b;--bad-bg:#fbe4e1}
@media (prefers-color-scheme: dark){:root{--bg:#10151c;--surface:#18202a;--ink:#e6ebf1;--muted:#9aa6b5;--line:#2b3644;--accent:#6f9cf0;--accent-ink:#0d1420;--flame:#f0a14f;--bad:#f08a80;--bad-bg:#3a1a17;color-scheme:dark}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font-family:"Vazirmatn",Tahoma,"Segoe UI",sans-serif;font-size:14px;line-height:1.7}
.lg{min-height:100vh;display:grid;place-items:center;padding:24px 16px}
.lg-card{width:100%;max-width:380px;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:28px 24px;display:flex;flex-direction:column;gap:6px}
.lg-eyebrow{font-size:.78rem;color:var(--flame);font-weight:700}
.lg h1{font-size:1.35rem;font-weight:800;margin:0}
.lg-muted{color:var(--muted);margin:0 0 8px}
.lg-small{font-size:12px;margin:10px 0 0}
.lg label{font-weight:500;margin-top:6px}
.lg input{font:inherit;width:100%;padding:9px 12px;border:1px solid var(--line);border-radius:8px;background:var(--surface);color:var(--ink);text-align:left}
.lg input:focus{outline:2px solid var(--accent);outline-offset:1px;border-color:var(--accent)}
.lg button,.lg-btn{font:inherit;font-weight:700;margin-top:14px;padding:10px 14px;border:0;border-radius:8px;background:var(--accent);color:var(--accent-ink);cursor:pointer;text-align:center;text-decoration:none;display:block}
.lg button:hover,.lg-btn:hover{filter:brightness(1.08)}
.lg-err{margin:4px 0;padding:8px 12px;border-radius:8px;background:var(--bad-bg);color:var(--bad);font-weight:500}