:root {
  --bg: #070b14; --panel: #0f1626; --line: #1f2a40; --ink: #eef2f8; --muted: #93a1b8; --gold: #f5c451; --red: #ff7a7a;
  color-scheme: dark;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.55 "Inter", system-ui, sans-serif; }
a { color: var(--gold); }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 16px; }
header.top { border-bottom: 1px solid var(--line); }
header.top .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { font-weight: 800; letter-spacing: .12em; color: var(--ink); text-decoration: none; }
.brand span { color: var(--gold); }
nav a { color: var(--muted); text-decoration: none; margin-left: 20px; font-weight: 600; }
nav a:hover { color: var(--ink); }
h1 { font-size: clamp(28px, 5vw, 44px); line-height: 1.15; margin: 40px 0 12px; }
.lead { color: var(--muted); font-size: 18px; max-width: 680px; margin: 0 0 32px; }
.maker { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 440px); gap: 32px; align-items: start; }
@media (max-width: 860px) { .maker { grid-template-columns: 1fr; } .preview { order: -1; } }
form.card, .card { background: var(--panel); border: 1px solid var(--line); border-radius: 16px; padding: 24px; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px 16px; }
.grid3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 14px 16px; }
@media (max-width: 520px) { .grid2, .grid3 { grid-template-columns: 1fr; } }
label { display: block; font-size: 13px; font-weight: 600; color: var(--muted); margin-bottom: 6px; }
.field { margin-bottom: 14px; }
input, select { width: 100%; background: #0a101d; color: var(--ink); border: 1px solid var(--line); border-radius: 10px; padding: 11px 12px; font: inherit; }
input:focus, select:focus { outline: 2px solid var(--gold); outline-offset: 0; border-color: transparent; }
.hint { font-size: 13px; color: var(--muted); margin-top: 6px; }
.hint.err { color: var(--red); }
.bgs { display: flex; flex-wrap: wrap; gap: 8px; }
.bgs label { display: inline-flex; align-items: center; gap: 6px; background: #0a101d; border: 1px solid var(--line); border-radius: 999px; padding: 8px 14px; margin: 0; color: var(--ink); cursor: pointer; }
.bgs input { width: auto; }
.check { display: flex; gap: 10px; align-items: flex-start; font-size: 14px; color: var(--ink); font-weight: 400; }
.check input { width: auto; margin-top: 4px; }
.btn { display: inline-block; background: var(--gold); color: #1a1405; border: 0; border-radius: 12px; padding: 13px 20px; font: 700 16px "Inter", sans-serif; cursor: pointer; text-decoration: none; }
.btn:disabled { opacity: .5; cursor: wait; }
.btn.ghost { background: transparent; color: var(--ink); border: 1px solid var(--line); }
.preview { position: sticky; top: 16px; }
.preview canvas { width: 100%; height: auto; border-radius: 14px; display: block; box-shadow: 0 20px 60px rgba(0,0,0,.5); }
.done { margin-top: 16px; display: none; }
.done.show { display: block; }
.done .row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 10px; }
.linkbox { display: flex; gap: 8px; }
.linkbox input { flex: 1; }
.wall { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 14px; margin: 16px 0 48px; }
.tile { display: block; background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 16px; color: var(--ink); text-decoration: none; }
.tile:hover { border-color: var(--gold); }
.tile .r { font-weight: 800; font-size: 20px; letter-spacing: .04em; }
.tile .c { color: var(--muted); font-size: 14px; }
.tile .p { color: var(--gold); font-weight: 800; font-size: 22px; margin-top: 8px; }
h2 { font-size: 24px; margin: 48px 0 8px; }
table.kv { width: 100%; border-collapse: collapse; }
table.kv th, table.kv td { text-align: left; padding: 10px 0; border-bottom: 1px solid var(--line); vertical-align: top; }
table.kv th { color: var(--muted); font-weight: 600; width: 42%; }
.detail { display: grid; grid-template-columns: minmax(0, 440px) minmax(0, 1fr); gap: 32px; align-items: start; margin-bottom: 48px; }
@media (max-width: 860px) { .detail { grid-template-columns: 1fr; } }
.note { font-size: 13px; color: var(--muted); }
.linkbtn { background: none; border: 0; color: var(--muted); text-decoration: underline; cursor: pointer; font: inherit; padding: 0; }
footer { border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; padding: 24px 0 40px; }
footer a { color: var(--muted); margin-right: 16px; }
.prose { max-width: 760px; }
.prose h2 { font-size: 20px; margin-top: 28px; }