/* Shared styles for marketing + auth pages (landing, login, signup, demo).
   Reuses the design tokens from app.css via a trimmed copy so each page is
   self-contained and does not pull the full SPA stylesheet's layout grid. */
:root{
  --bg:#0b0e14;--bg-2:#11151e;--surface:#151a24;--surface-2:#1b2130;--border:#242c3b;
  --border-2:#2f3a4d;--text:#e4e8f1;--text-2:#9aa5b9;--text-3:#6b7689;--accent:#5b9cff;
  --accent-dim:#27405f;--good:#3fb97f;--warn:#e4a33d;--bad:#ef5f68;--info:#9b7dff;
  --radius:12px;--mono:'JetBrains Mono',ui-monospace,Menlo,monospace;
  --shadow:0 18px 50px rgba(0,0,0,.45);
}
:root.light{
  --bg:#f6f7f9;--bg-2:#eef0f4;--surface:#fff;--surface-2:#f4f6fa;--border:#e0e4ec;
  --border-2:#cfd5e0;--text:#171b24;--text-2:#5a6475;--text-3:#868fa0;--accent:#2563eb;
  --accent-dim:#dbe7ff;--good:#1a7f4f;--warn:#9a6300;--bad:#c3303a;--info:#6341d8;
  --shadow:0 14px 40px rgba(23,27,36,.10);
}
*{box-sizing:border-box}html,body{height:100%}
body{margin:0;background:
  radial-gradient(900px 500px at 82% -8%,var(--accent-dim),transparent 60%),var(--bg);
  color:var(--text);font:400 15px/1.6 Inter,-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  -webkit-font-smoothing:antialiased}
a{color:var(--accent);text-decoration:none}
h1,h2,h3{margin:0;font-weight:700;letter-spacing:-.02em;line-height:1.15}
.mono{font-family:var(--mono)}
.wrap{max-width:1100px;margin:0 auto;padding:0 24px}
.nav{display:flex;align-items:center;gap:14px;padding:18px 24px;max-width:1100px;margin:0 auto}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;letter-spacing:.02em}
.logo .mark{width:30px;height:30px;border-radius:8px;flex:none;
  background:linear-gradient(145deg,var(--accent),var(--info));display:grid;place-items:center;
  color:#fff;font-weight:700}
.logo .sub{font-size:11px;color:var(--text-3);text-transform:uppercase;letter-spacing:.05em;font-weight:500}
.nav .spacer{flex:1}
.btn{display:inline-flex;align-items:center;gap:8px;background:var(--surface);color:var(--text);
  border:1px solid var(--border);border-radius:9px;padding:9px 16px;font-size:14px;font-weight:500;
  cursor:pointer;transition:.14s}
.btn:hover{border-color:var(--border-2);background:var(--surface-2)}
.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}
.btn.primary:hover{filter:brightness(1.08)}
.btn.ghost{background:transparent}
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}
.pill{display:inline-flex;align-items:center;gap:7px;font-size:12px;font-weight:500;color:var(--text-2);
  background:var(--surface);border:1px solid var(--border);border-radius:999px;padding:5px 12px}
.dot{width:7px;height:7px;border-radius:50%;background:var(--good);box-shadow:0 0 0 3px color-mix(in srgb,var(--good) 25%,transparent)}
.inp{width:100%;background:var(--surface-2);color:var(--text);border:1px solid var(--border);
  border-radius:9px;padding:11px 13px;font-size:14px;font-family:inherit}
.inp:focus{outline:2px solid var(--accent-dim);border-color:var(--accent)}
.lbl{display:block;font-size:12.5px;color:var(--text-2);font-weight:500;margin:0 0 6px}
.muted{color:var(--text-3)}
.small{font-size:12.5px}
.foot{color:var(--text-3);font-size:12.5px;text-align:center;padding:40px 24px 28px}
.note{font-size:12px;color:var(--text-3);background:var(--surface-2);border:1px solid var(--border);
  border-radius:9px;padding:10px 12px;line-height:1.5}
.auth-shell{min-height:calc(100vh - 66px);display:grid;place-items:center;padding:24px}
.auth{width:100%;max-width:420px;padding:30px 28px}
.auth h2{font-size:22px;margin-bottom:6px}
.field{margin:16px 0}
@media(max-width:720px){.nav{flex-wrap:wrap}}