:root { --bg:#0c0c10; --card:#15151c; --ink:#efefef; --dim:#a8a8b3; --primary:#7dd3fc; }
*{box-sizing:border-box}
html,body{margin:0;padding:0;font-family:Inter,system-ui,Arial,Helvetica,sans-serif;background:var(--bg);color:var(--ink)}
.wrap{width:min(1200px,92vw);margin:0 auto}
.site-header,.site-footer{border-top:3px solid var(--primary); background:linear-gradient(180deg,#101018, #0c0c10)}
.site-header .wrap{padding:2rem 0}
.site-footer .wrap{padding:1rem 0;color:var(--dim);text-align:center}
h1{font-weight:800;margin:0 0 .3rem}
.tagline{margin:.2rem 0 0;color:var(--dim)}
.card{background:var(--card);border:1px solid #22242b;border-radius:16px;padding:1rem;box-shadow:0 10px 20px rgba(0,0,0,.3);margin:1rem 0}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:1.2rem}
.grid-3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:.8rem}
.row{display:flex;gap:.6rem;align-items:center;flex-wrap:wrap}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;background:#0f1118;border:1px solid #2a2d36;border-radius:10px;color:#cdd6f4;padding:.8rem}
.button,button{display:inline-block;background:#1f2837;border:1px solid #2f3a4d;border-radius:12px;padding:.7rem 1rem;color:var(--ink);text-decoration:none;cursor:pointer}
.button:hover,button:hover{transform:translateY(-1px)}
.tabs{display:flex;gap:.6rem;flex-wrap:wrap;margin:1rem 0}
.tabs button{background:#1a2233;border:1px solid #2a3347;border-radius:12px;padding:.6rem 1rem;color:#fff;cursor:pointer}
.tabs button.active{outline:2px solid var(--primary)}
.tab{display:none}
.tab.active{display:block}
.hint{color:var(--dim);font-size:.9rem}
.status{list-style:none;padding-left:0}
pre{white-space:pre-wrap;word-break:break-word}
@media (max-width:1100px){.grid-2{grid-template-columns:1fr}}