:root { --bg:#eef0fd; --card:#f8f9ff; --ink:#161a3a; --muted:#5d6280; --violet:#7c4dff; --teal:#14c8b0; --line:#d9dcf2; }
* { box-sizing: border-box; }
body { margin:0; background:var(--bg); color:var(--ink); font:15px/1.5 Inter, system-ui, sans-serif; }
.hero { max-width:900px; margin:0 auto; padding:48px 20px 24px; }
.kicker { font:12px ui-monospace, monospace; letter-spacing:.15em; text-transform:uppercase; color:var(--violet); margin:0; }
h1 { font:800 clamp(28px,5vw,48px)/1.05 Impact, "Anton", sans-serif; text-transform:uppercase; margin:8px 0 12px; }
h2 { font:700 18px/1.2 system-ui, sans-serif; margin:0 0 12px; }
.links { display:flex; flex-wrap:wrap; gap:8px; margin-top:16px; }
.links a { padding:6px 12px; border-radius:999px; background:var(--card); border:1px solid var(--line); color:var(--ink); text-decoration:none; font-size:13px; }
.links a:hover { border-color:var(--violet); }
main { max-width:900px; margin:0 auto; padding:0 20px 40px; display:grid; gap:16px; }
.card { background:var(--card); border:1px solid var(--line); border-radius:14px; padding:20px; }
label { display:block; margin:10px 0; font-size:13px; color:var(--muted); }
label.check { display:flex; gap:8px; align-items:flex-start; }
input:not([type=checkbox]), textarea, select { display:block; width:100%; margin-top:4px; padding:9px 11px; border:1px solid var(--line); border-radius:8px; font:inherit; color:var(--ink); background:#fff; }
.row { display:flex; flex-wrap:wrap; gap:8px; margin-top:8px; }
button { padding:9px 16px; border:0; border-radius:999px; background:var(--violet); color:#fff; font:600 14px system-ui, sans-serif; cursor:pointer; }
button.ghost { background:transparent; color:var(--ink); border:1px solid var(--line); }
button:disabled { opacity:.5; cursor:wait; }
.hint { font-size:13px; color:var(--muted); }
pre { background:#161a3a; color:#e6e8ff; padding:14px; border-radius:10px; overflow:auto; max-height:360px; font-size:12px; white-space:pre-wrap; }
pre.err { outline:2px solid #e0457b; }
#list table { width:100%; border-collapse:collapse; margin-top:12px; font-size:13px; }
#list td, #list th { padding:6px 8px; border-bottom:1px solid var(--line); text-align:left; }
#list button { padding:3px 10px; font-size:12px; background:var(--teal); }
footer { text-align:center; color:var(--muted); font-size:12px; padding:24px; }