:root { --bg:#fbfaf7; --fg:#1d1d22; --muted:#666672; --line:#e3e0d8; --accent:#4a46c9; --accent-fg:#fff; --card:#fff; }
@media (prefers-color-scheme: dark) { :root { --bg:#131316; --fg:#ececf1; --muted:#9a9aa8; --line:#2c2c34; --accent:#8e89ff; --accent-fg:#101014; --card:#1b1b20; } }
* { box-sizing: border-box; }
body { margin:0; background:var(--bg); color:var(--fg); font:16px/1.55 system-ui, -apple-system, "Segoe UI", sans-serif; }
a { color:var(--accent); }
.wrap { max-width:960px; margin:0 auto; padding:0 16px; }
.nav { display:flex; align-items:center; justify-content:space-between; padding:14px 0; border-bottom:1px solid var(--line); }
.brand { font-weight:700; font-size:20px; text-decoration:none; color:var(--fg); }
.nav .links { display:flex; gap:14px; align-items:center; }
.btn { display:inline-block; padding:10px 18px; border-radius:10px; border:1px solid var(--accent); background:var(--accent); color:var(--accent-fg); font:inherit; font-weight:600; cursor:pointer; text-decoration:none; }
.btn.ghost { background:transparent; color:var(--accent); }
.btn:disabled { opacity:.5; cursor:default; }
h1 { font-size:clamp(30px,6vw,46px); line-height:1.1; margin:.3em 0; }
h2 { font-size:26px; margin:1.6em 0 .5em; }
.hero { padding:44px 0 20px; display:grid; gap:28px; grid-template-columns:1fr; align-items:center; }
@media (min-width:800px) { .hero { grid-template-columns:1fr 1fr; } }
.hero img { width:100%; border-radius:12px; border:1px solid var(--line); }
.lead { font-size:19px; color:var(--muted); }
.grid { display:grid; gap:14px; grid-template-columns:repeat(auto-fit,minmax(200px,1fr)); }
.card { background:var(--card); border:1px solid var(--line); border-radius:12px; padding:16px; }
.card h3 { margin:.2em 0 .3em; font-size:17px; }
.num { display:inline-grid; place-items:center; width:28px; height:28px; border-radius:50%; background:var(--accent); color:var(--accent-fg); font-weight:700; font-size:14px; }
.price { font-size:26px; font-weight:700; }
.small { font-size:13px; color:var(--muted); }
.best { border-color:var(--accent); }
footer { margin:60px 0 30px; padding-top:18px; border-top:1px solid var(--line); display:flex; gap:16px; flex-wrap:wrap; font-size:14px; }
form.auth { max-width:400px; margin:30px auto; }
label { display:block; margin:12px 0 4px; font-size:14px; }
input[type=email], input[type=password], input[type=text] { width:100%; padding:10px 12px; border:1px solid var(--line); border-radius:8px; background:var(--card); color:var(--fg); font:inherit; }
.msg { margin:12px 0; padding:10px 12px; border-radius:8px; font-size:14px; }
.msg.err { background:#fde8e8; color:#8a1c1c; } .msg.good { background:#e6f6ea; color:#1d5a2e; } .msg.note { background:#fff6dd; color:#6b5200; }
@media (prefers-color-scheme: dark) { .msg.err { background:#3a1a1a; color:#ffb3b3; } .msg.good { background:#16301e; color:#a9e6bb; } .msg.note { background:#332b10; color:#f1d98a; } }
.step { display:flex; gap:14px; align-items:flex-start; }
.step .state { margin-left:auto; font-size:13px; color:var(--muted); white-space:nowrap; }
.done .num { background:#2e9e57; }
.sep { text-align:center; color:var(--muted); margin:14px 0; font-size:13px; }
details { border-bottom:1px solid var(--line); padding:10px 0; } summary { cursor:pointer; font-weight:600; }
.testbanner { background:#fff6dd; color:#6b5200; text-align:center; font-size:13px; padding:6px; }