:root {
  --bg: #0e1116;
  --panel: #161b22;
  --panel-2: #1c232d;
  --line: #2a3340;
  --text: #e6e9ee;
  --muted: #9aa5b4;
  --accent: #3ddc97;
  --accent-ink: #0b2a1d;
  --warn: #f2b53a;
  --radius: 12px;
  --mono: ui-monospace, "Cascadia Code", "JetBrains Mono", Consolas, monospace;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
* { box-sizing: border-box; }
html { color-scheme: dark; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.6 var(--sans); }
a { color: var(--accent); }
main { max-width: 960px; margin: 0 auto; padding: 0 16px 48px; }
h1, h2, h3 { line-height: 1.25; overflow-wrap: anywhere; }
code { font-family: var(--mono); background: var(--panel-2); border: 1px solid var(--line); padding: 1px 6px; border-radius: 6px; font-size: .9em; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

.site-header { display: flex; justify-content: space-between; align-items: center; gap: 16px; max-width: 960px; margin: 0 auto; padding: 18px 16px; }
.logo { color: var(--text); text-decoration: none; font-weight: 700; font-size: 1.15rem; }
.logo-mark { font-family: var(--mono); color: var(--accent); }
.site-header nav { display: flex; gap: 18px; align-items: center; }
.site-header nav a { color: var(--muted); text-decoration: none; }
.site-header nav a:hover { color: var(--text); }
.site-header .nav-cta { color: var(--accent); }

.hero { padding: 32px 0 8px; }
.hero h1 { font-size: clamp(1.8rem, 5vw, 2.8rem); margin: 0 0 12px; }
.lede { color: var(--muted); font-size: 1.1rem; max-width: 680px; }

.decoder { margin-top: 24px; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px; }
.decoder textarea { width: 100%; resize: vertical; background: var(--bg); color: var(--text); border: 1px solid var(--line); border-radius: 8px; padding: 12px; font: 14px/1.5 var(--mono); }
.decoder textarea:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
.decoder-actions { display: flex; gap: 10px; margin-top: 12px; flex-wrap: wrap; }

.btn { display: inline-block; background: var(--accent); color: var(--accent-ink); border: 0; border-radius: 8px; padding: 11px 18px; font: 600 15px var(--sans); text-decoration: none; cursor: pointer; }
.btn:hover { filter: brightness(1.08); }
.btn-ghost { background: transparent; color: var(--muted); border: 1px solid var(--line); }

#results { margin-top: 20px; display: grid; gap: 12px; }
.results-title { margin: 8px 0 0; font-size: 1.1rem; }
.result.top { border-color: var(--accent); }
.matched { display: block; margin-top: 10px; color: var(--muted); font-size: .85rem; }
.result-empty { background: var(--panel); border: 1px dashed var(--line); border-radius: var(--radius); padding: 18px; }
.result-empty h3 { margin-top: 0; }

.section { margin-top: 40px; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 14px; }
.fix-card { display: block; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; color: var(--text); text-decoration: none; transition: border-color .15s, transform .15s; }
.fix-card:hover { border-color: var(--accent); transform: translateY(-1px); }
.fix-card h3 { margin: 4px 0 8px; font-size: 1.02rem; }
.fix-card p { margin: 0 0 12px; color: var(--muted); font-size: .93rem; }
.fix-games { color: var(--muted); font-size: .78rem; text-transform: uppercase; letter-spacing: .06em; }

.badge { display: inline-block; font-size: .78rem; font-weight: 600; padding: 3px 10px; border-radius: 999px; }
.badge-client { background: rgba(61,220,151,.12); color: var(--accent); }
.badge-server { background: rgba(242,181,58,.14); color: var(--warn); }

.fix { max-width: 720px; }
.crumbs { color: var(--muted); font-size: .9rem; margin-top: 24px; }
.codes { margin: 12px 0 0; }
.steps { padding-left: 1.3em; }
.steps li { margin: 0 0 12px; padding-left: 4px; }
.steps li::marker { color: var(--accent); font-weight: 700; }
.affiliate { margin: 24px 0; background: var(--panel); border-left: 3px solid var(--warn); border-radius: 8px; padding: 12px 16px; }
.affiliate p { margin: 0 0 6px; }

.book-card { margin-top: 48px; display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; background: linear-gradient(135deg, var(--panel-2), var(--panel)); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.book-card h2 { margin: 0 0 4px; }
.book-card p { margin: 0; color: var(--muted); }

.site-footer { border-top: 1px solid var(--line); max-width: 960px; margin: 0 auto; padding: 20px 16px 40px; color: var(--muted); font-size: .9rem; }
.site-footer .fine { font-size: .8rem; opacity: .8; }