@import"https://fonts.googleapis.com/css2?family=Press+Start+2P&display=swap";:root{--bg: #1a1a2e;--bg-light: #16213e;--surface: #0f3460;--surface-light: #1a4a6e;--panel: #0d2847;--border: #2a6f97;--border-light: #53a8d4;--text: #e0e0e0;--text-dim: #94a3b8;--text-bright: #f1f5f9;--gold: #fbbf24;--gold-light: #fde68a;--green: #4ade80;--green-dim: #166534;--red: #fb7185;--red-dim: #9f1239;--teal: #2dd4bf;--blue: #60a5fa;--purple: #c084fc;--pixel: "Press Start 2P", cursive;--body: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;--mono: "Consolas", "Courier New", monospace;--max-w: 920px;--radius: 6px}*{margin:0;padding:0;box-sizing:border-box}body{font-family:var(--body);background:var(--bg);color:var(--text);line-height:1.75;min-height:100vh;font-size:16px;background-image:radial-gradient(ellipse at 20% 50%,rgba(15,52,96,.4) 0%,transparent 50%),radial-gradient(ellipse at 80% 20%,rgba(42,111,151,.15) 0%,transparent 50%)}::selection{background:var(--gold);color:var(--bg)}a{color:var(--gold);text-decoration:none;transition:color .15s}a:hover{color:var(--gold-light);text-decoration:underline}.site-header{background:linear-gradient(180deg,#0f3460,#0d2847);border-bottom:3px solid var(--border);padding:0;position:sticky;top:0;z-index:100;box-shadow:0 4px 20px #00000080}.site-header .inner{max-width:var(--max-w);margin:0 auto;padding:.75rem 1.5rem;display:flex;align-items:center;gap:1.5rem;flex-wrap:wrap}.site-header .logo{font-family:var(--pixel);font-size:12px;color:var(--gold);text-shadow:2px 2px 0 rgba(0,0,0,.6);white-space:nowrap;letter-spacing:1px}.site-header nav{display:flex;gap:4px;flex-wrap:wrap}.site-header nav a{color:var(--text-dim);padding:6px 12px;border-radius:4px;font-size:13px;font-weight:600;transition:all .15s;border:1px solid transparent}.site-header nav a:hover{background:#60a5fa1a;color:var(--text-bright);text-decoration:none;border-color:var(--border)}.site-header nav a.active{background:var(--gold);color:var(--bg);font-weight:700;text-decoration:none;border-color:var(--gold-light);box-shadow:0 0 8px #fbbf244d}.site-header .logo a{color:inherit;text-decoration:none}.site-header .logo a:hover{color:var(--gold-light);text-decoration:none}.site-header nav .nav-sep{width:1px;background:var(--border);align-self:stretch;margin:0 4px}.site-header nav a.nav-site{color:var(--gold);opacity:.7}.site-header nav a.nav-site:hover{opacity:1}main{max-width:var(--max-w);margin:0 auto;padding:2.5rem 2rem 5rem}h1{font-family:var(--pixel);font-size:22px;line-height:1.4;margin-bottom:.5rem;color:var(--gold);text-shadow:2px 2px 0 rgba(0,0,0,.5)}h1 .sub{display:block;font-family:var(--body);font-size:16px;font-weight:400;color:var(--text-dim);margin-top:.5rem;text-shadow:none}h2{font-family:var(--pixel);font-size:13px;line-height:1.6;margin:2.5rem 0 1rem;color:var(--text-bright);letter-spacing:1px;padding-bottom:.5rem;border-bottom:2px solid var(--border)}h3{font-size:18px;font-weight:700;margin:2rem 0 .75rem;color:var(--gold)}h4{font-size:16px;font-weight:700;margin:1.5rem 0 .5rem;color:var(--teal)}p{margin-bottom:1rem;line-height:1.75}ul,ol{margin:0 0 1.25rem 1.5rem}li{margin-bottom:.4rem;line-height:1.7}strong{color:var(--text-bright)}em{color:var(--text-dim);font-style:italic}code{font-family:var(--mono);background:#60a5fa1a;border:1px solid rgba(96,165,250,.2);padding:2px 6px;border-radius:3px;font-size:.9em;color:var(--teal)}kbd{display:inline-block;background:linear-gradient(180deg,var(--surface-light),var(--surface));border:1px solid var(--border);border-bottom-width:3px;border-radius:4px;color:var(--text-bright);font-family:var(--mono);font-size:.85em;font-weight:700;padding:2px 8px}table{width:100%;border-collapse:collapse;margin:1rem 0 1.5rem;font-size:15px;background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}thead{background:var(--surface)}th{text-align:left;padding:10px 14px;color:var(--gold);font-weight:700;font-size:13px;text-transform:uppercase;letter-spacing:.5px;border-bottom:2px solid var(--border)}td{text-align:left;padding:10px 14px;border-bottom:1px solid rgba(42,111,151,.2)}tr:last-child td{border-bottom:none}tr:hover td{background:#60a5fa0d}td strong{color:var(--gold-light)}td code{font-size:.85em}.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1rem;margin:1rem 0 1.5rem}.card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:1rem 1.25rem;transition:border-color .15s,box-shadow .15s}.card:hover{border-color:var(--border-light);box-shadow:0 0 12px #2a6f9733}.card h3{margin-top:0;font-size:17px}.card p{font-size:15px;color:var(--text-dim);margin-bottom:.5rem}.card .meta{font-size:14px;color:var(--text-dim)}.tip,.warn,.note{border-left:4px solid;padding:1rem 1.25rem;margin:1.25rem 0;border-radius:var(--radius);font-size:15px;line-height:1.7}.tip{border-left-color:var(--green);background:#4ade800f;color:#bbf7d0}.warn{border-left-color:var(--red);background:#fb71850f;color:#fecdd3}.note{border-left-color:var(--blue);background:#60a5fa0f;color:#bfdbfe}.tip ul,.warn ul,.note ul{margin-bottom:0}.tip li:last-child,.warn li:last-child,.note li:last-child{margin-bottom:0}.tag{display:inline-block;padding:3px 10px;border-radius:4px;font-size:12px;font-weight:700;letter-spacing:.5px;vertical-align:middle;text-transform:uppercase}.tag-easy{background:#4ade8026;color:var(--green);border:1px solid var(--green-dim)}.tag-medium{background:#fbbf2426;color:var(--gold);border:1px solid #854d0e}.tag-hard{background:#fb718526;color:var(--red);border:1px solid var(--red-dim)}.breadcrumb{font-size:14px;color:var(--text-dim);margin-bottom:1.5rem}.breadcrumb a{color:var(--text-dim)}.breadcrumb a:hover{color:var(--gold)}.hero{text-align:center;padding:3rem 0 2rem}.hero h1{font-family:var(--pixel);font-size:28px;line-height:1.5;color:var(--gold);text-shadow:3px 3px 0 rgba(0,0,0,.6),0 0 30px rgba(251,191,36,.2)}.hero .tagline{font-size:17px;color:var(--text-dim);margin-top:1rem;line-height:1.6}.toc-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:10px;margin:2rem 0}.toc-card{display:block;background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:1rem 1.25rem;transition:all .2s}.toc-card:hover{border-color:var(--gold);transform:translateY(-2px);text-decoration:none;box-shadow:0 6px 20px #0000004d,0 0 10px #fbbf241a}.toc-card .num{display:inline-block;font-family:var(--pixel);font-size:10px;color:var(--gold);opacity:.7}.toc-card .title{display:block;font-weight:700;color:var(--text-bright);font-size:16px;margin-top:4px}.toc-card .desc{display:block;font-size:14px;color:var(--text-dim);margin-top:6px;line-height:1.6}footer{text-align:center;padding:2rem;color:var(--text-dim);font-size:14px;border-top:2px solid var(--border);margin-top:3rem}@media(max-width:680px){body{font-size:15px}main{padding:1.5rem 1rem 3rem}.hero h1{font-size:20px}h1{font-size:18px}h2{font-size:11px}.card-grid,.toc-grid{grid-template-columns:1fr}table{font-size:14px}th,td{padding:8px 10px}.site-header .logo{font-size:10px}.site-header nav a{font-size:12px;padding:4px 8px}.site-header .inner{gap:.75rem;padding:.5rem 1rem}}