:root{--bg-main:#030712;--bg-card:#0b1329;--bg-code:#020617;--text-main:#f8fafc;--text-muted:#64748b;--cyan:#06b6d4;--purple:#c084fc;--emerald:#34d399;--border:#1e293b;--panel:#070a13}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg-main);color:var(--text-main);font-family:ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;min-height:100vh}button,input,textarea,select{font:inherit}button{cursor:pointer}a{color:inherit;text-decoration:none}.topbar{height:68px;padding:0 clamp(16px,4vw,48px);display:flex;align-items:center;justify-content:space-between;background:var(--panel);border-bottom:1px solid var(--border);gap:16px}.brand{display:flex;align-items:center;gap:11px;font-weight:800;letter-spacing:.4px}.dot{width:9px;height:9px;background:var(--cyan);border-radius:50%;box-shadow:0 0 14px var(--cyan)}.nav{display:flex;gap:8px}.nav a{font-size:13px;color:#94a3b8;padding:10px 13px;border-radius:9px}.nav a:hover,.nav a.active{color:var(--cyan);background:#06b6d414}.wrap{width:min(1180px,calc(100% - 36px));margin:0 auto}.hero{padding:54px 0 38px;border-bottom:1px solid var(--border)}.eyebrow{color:var(--cyan);font:700 11px ui-monospace,monospace;letter-spacing:1.4px;text-transform:uppercase;margin-bottom:14px}.hero h1{font-size:clamp(30px,5vw,54px);line-height:1.08;letter-spacing:-1.8px;margin:0 0 14px}.hero p,.muted{color:#94a3b8;line-height:1.65}.hero p{max-width:680px;margin:0}.layout{display:grid;grid-template-columns:280px minmax(0,1fr);gap:22px;padding:28px 0 70px}.panel,.card{background:var(--bg-card);border:1px solid var(--border);border-radius:16px}.panel{padding:18px;height:max-content}.panel h3{font-size:11px;text-transform:uppercase;letter-spacing:1.3px;color:var(--text-muted);margin:4px 8px 14px}.menu-list{display:grid;gap:7px}.menu-row{display:flex;align-items:center;gap:8px}.menu-select{flex:1;text-align:left;border:1px solid transparent;background:transparent;color:#94a3b8;border-radius:9px;padding:11px 12px;font-size:13px}.menu-select.active,.menu-select:hover{background:#06b6d414;border-color:#06b6d433;color:var(--cyan)}.small-icon{border:1px solid var(--border);background:#020617;color:#94a3b8;border-radius:8px;width:34px;height:34px}.small-icon:hover{color:#f87171;border-color:#7f1d1d}.btn{border:1px solid #334155;background:#1e293b;color:#fff;border-radius:9px;padding:10px 14px;font-size:13px;font-weight:650;display:inline-flex;align-items:center;justify-content:center;gap:8px}.btn:hover{background:#334155}.btn.primary{background:linear-gradient(135deg,#0891b2,#0284c7);border:0}.btn.danger{background:#451a1a;border-color:#7f1d1d;color:#fecaca}.btn.ghost{background:transparent}.actions{display:flex;gap:8px;flex-wrap:wrap}.editor{padding:24px}.editor-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:20px}.editor h2{font-size:21px;margin:0 0 6px}.field{display:grid;gap:7px;margin-bottom:15px}.field label{font-size:12px;color:#94a3b8;font-weight:700}.field input,.field textarea,.field select{width:100%;background:#020617;color:#f8fafc;border:1px solid #263449;border-radius:9px;padding:11px 12px;outline:none}.field input:focus,.field textarea:focus{border-color:var(--cyan);box-shadow:0 0 0 3px #06b6d41c}.field textarea{min-height:290px;resize:vertical;font:13px/1.6 ui-monospace,SFMono-Regular,monospace}.two{display:grid;grid-template-columns:1fr 1fr;gap:14px}.preview{background:#030712;border:1px solid var(--border);border-radius:12px;overflow:hidden}.preview-bar{padding:10px 13px;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;color:#94a3b8;font-size:11px}.preview iframe{display:block;width:100%;height:460px;border:0;background:#030712}.status{font-size:12px;color:var(--emerald);min-height:18px}.public-hero{padding:70px 0 48px}.public-hero h1{font-size:clamp(38px,7vw,68px);letter-spacing:-2px;line-height:1.02;margin:0 0 18px}.module-list{display:grid;gap:10px;padding:30px 0}.module-item{display:grid;grid-template-columns:52px 1fr 24px;align-items:center;gap:16px;padding:20px;background:var(--bg-card);border:1px solid var(--border);border-radius:14px;transition:.2s}.module-item:hover{border-color:#06b6d455;transform:translateY(-2px)}.module-index{font:700 13px ui-monospace,monospace;color:var(--cyan)}.module-title{font-weight:750;display:block;margin-bottom:5px}.module-subtitle{font-size:13px;color:var(--text-muted)}.content-shell{max-width:940px;margin:48px auto;padding:clamp(22px,5vw,46px);background:var(--bg-card);border:1px solid var(--border);border-radius:22px;box-shadow:0 25px 60px #0008}.content-shell h1,.content-shell h2{color:#f8fafc}.content-shell p{color:#94a3b8;line-height:1.7}.content-shell pre,.content-shell code{background:var(--bg-code);color:#34d399;border:1px solid var(--border);border-radius:9px;padding:14px;overflow:auto}.content-shell pre{white-space:pre-wrap}.footer{border-top:1px solid var(--border);padding:22px;color:var(--text-muted);font-size:11px;letter-spacing:1px}.empty{padding:36px;text-align:center;color:var(--text-muted)}.notice{padding:12px 14px;background:#06b6d411;border:1px solid #06b6d433;border-radius:10px;color:#a5f3fc;font-size:12px;line-height:1.5;margin-bottom:16px}
@media(max-width:800px){.layout{grid-template-columns:1fr}.panel{padding:14px}.menu-list{grid-template-columns:repeat(auto-fit,minmax(170px,1fr))}.editor-head{display:block}.editor-head .actions{margin-top:14px}.two{grid-template-columns:1fr}.topbar{height:auto;min-height:62px;flex-wrap:wrap;padding-top:10px;padding-bottom:10px}.nav{width:100%}.nav a{padding:7px 10px}.preview iframe{height:390px}.hero{padding-top:38px}}