:root{--bg:#0A0E1E;--bg2:#0D1A14;--ink:#EEF1FA;--dim:#8C96B8;--faint:#5A6488;--green:#1F9D3A;--green-h:#36B653;--green-l:#6BD488;--glow:#5ED67C;--line:rgba(255,255,255,.09);--card:#0F1530}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:radial-gradient(1200px 700px at 50% -8%,var(--bg2) 0%,var(--bg) 62%);color:var(--ink);font-family:'Sora',sans-serif;font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased;min-height:100vh}
::selection{background:var(--green);color:#0A0E1E}
a{color:inherit;text-decoration:none}
.wrap{max-width:1180px;margin:0 auto;padding:0 32px}

html.light{--bg:#F4F6F9;--bg2:#FFFFFF;--ink:#0E1626;--dim:#475569;--faint:#5D697C;--line:rgba(14,22,38,.10);color-scheme:light}
html.light body{color:var(--ink)}
html.light .page-hero-band{background:radial-gradient(1200px 700px at 50% -8%,#141C3E 0%,#0A0E1E 62%)}
html.light .page-hero h1{color:#EEF1FA}
html.light .page-hero .kick{color:var(--green)}
html.light .page-hero .sub{color:#9AA3C2}
html.light .content-band{background:#F4F6F9}
html.light .content-band h2,html.light .content-band h3{color:#0E1626}
html.light .content-band p,html.light .content-band li{color:#475569}
html.light .content-band a{color:var(--green)}


.page-hero-band{width:100%;background:radial-gradient(1200px 700px at 50% -8%,var(--bg2) 0%,var(--bg) 62%)}
.page-hero{padding:72px 0 64px}
.page-hero .kick{font-family:'Roboto Mono',monospace;font-size:.7rem;letter-spacing:.24em;color:var(--green);text-transform:uppercase;margin-bottom:18px}
.page-hero h1{font-size:clamp(2rem,4vw,3rem);font-weight:800;letter-spacing:-.03em;line-height:1.1;margin-bottom:16px}
.page-hero h1 .a{background:linear-gradient(90deg,var(--green),var(--green-l));-webkit-background-clip:text;background-clip:text;color:transparent}
.page-hero .sub{color:var(--dim);font-size:1rem;max-width:520px}

.content-band{padding:72px 0 96px}
.content h2{font-size:1.4rem;font-weight:700;margin:48px 0 12px;color:var(--ink)}
.content h2:first-child{margin-top:0}
.content h3{font-size:1.05rem;font-weight:700;margin:24px 0 8px;color:var(--ink)}
.content p{color:var(--dim);line-height:1.8;margin-bottom:14px}
.content ul,.content ol{color:var(--dim);line-height:1.8;margin:0 0 14px 20px}
.content li{margin-bottom:6px}
.content a{color:var(--green);text-decoration:underline;text-underline-offset:3px}
.content .meta{font-family:'Roboto Mono',monospace;font-size:.7rem;letter-spacing:.1em;color:var(--faint);margin-bottom:40px}
.content .toc{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:24px 28px;margin-bottom:48px}
.content .toc h3{font-size:.8rem;font-family:'Roboto Mono',monospace;letter-spacing:.14em;text-transform:uppercase;color:var(--green);margin-bottom:14px}
.content .toc ol{margin:0 0 0 16px}
.content .toc li{margin-bottom:4px;font-size:.88rem}
.content .toc a{color:var(--dim);text-decoration:none}
.content .toc a:hover{color:var(--ink)}
html.light .content .toc{background:rgba(255,255,255,.95);border-color:rgba(14,22,38,.12)}

#theme-toggle{position:fixed;bottom:24px;right:24px;z-index:200;display:flex;align-items:center;gap:8px;background:var(--green);color:#0A0E1E;font-family:'Roboto Mono',monospace;font-size:.65rem;letter-spacing:.12em;text-transform:uppercase;font-weight:700;padding:10px 16px;border-radius:100px;border:2px solid transparent;cursor:pointer;box-shadow:0 4px 20px rgba(31,157,58,.4);transition:background .2s,color .2s,border-color .2s,transform .15s,box-shadow .2s}
#theme-toggle:hover{background:var(--green-h);transform:translateY(-2px);box-shadow:0 8px 28px rgba(31,157,58,.45)}
#theme-toggle .icon{font-size:.9rem;line-height:1}
html.light #theme-toggle{background:#fff;color:var(--green);border-color:var(--green);box-shadow:0 4px 20px rgba(31,157,58,.18)}
html.light #theme-toggle:hover{background:#f0fdf4;transform:translateY(-2px);box-shadow:0 8px 28px rgba(31,157,58,.28)}