:root{--bg-0: #f4f6f8;--bg-1: #ffffff;--bg-2: #e0e4e8;--cyan: #ff6d5a;--magenta: #ff6d5a;--green: #10b981;--violet: #8b5cf6;--text: #222222;--muted: #666666;--warn: #f59e0b;--danger: #ef4444;--edge: #a3a8b0}*{box-sizing:border-box}html{margin:0;width:100%;height:100%;overflow:hidden;scroll-behavior:smooth}body{margin:0;width:100%;height:200vh;overflow-x:hidden;overflow-y:auto;scroll-snap-type:y mandatory;background:var(--bg-0);color:var(--text);font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,Courier New,monospace;user-select:none;-webkit-user-select:none}.hero-section{position:relative;z-index:50;width:100%;height:100vh;scroll-snap-align:start;display:flex;flex-direction:column;align-items:center;justify-content:center;background:linear-gradient(168deg,#0d1117,#161b22 38%,#1a1f2b 72%,#0d1117);overflow:hidden;touch-action:pan-y}.hero-section:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:radial-gradient(ellipse 800px 600px at 25% 20%,rgba(255,109,90,.08),transparent),radial-gradient(ellipse 600px 500px at 75% 70%,rgba(139,92,246,.06),transparent),radial-gradient(ellipse 900px 400px at 50% 50%,rgba(16,185,129,.04),transparent);pointer-events:none}.hero-grid{position:absolute;top:0;right:0;bottom:0;left:0;background-image:linear-gradient(rgba(255,255,255,.02) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.02) 1px,transparent 1px);background-size:48px 48px;pointer-events:none}.hero-content{position:relative;z-index:2;max-width:820px;padding:0 32px;text-align:center}.hero-logo{display:inline-flex;align-items:center;gap:10px;padding:10px 20px;border:1px solid rgba(255,109,90,.25);border-radius:999px;background:#ff6d5a0f;margin-bottom:36px;font-size:13px;letter-spacing:.12em;color:#ff6d5a;font-weight:700}.hero-logo .dot{width:7px;height:7px;border-radius:50%;background:#ff6d5a;animation:heroPulse 2.4s ease-in-out infinite}@keyframes heroPulse{0%,to{opacity:.4;transform:scale(1)}50%{opacity:1;transform:scale(1.4)}}.hero-h1{font-size:clamp(32px,6vw,64px);font-weight:800;color:#f0f2f4;line-height:1.1;margin:0 0 20px;letter-spacing:-.02em}.hero-h1 em{font-style:normal;background:linear-gradient(135deg,#ff6d5a,#ff8f7a 40%,#8b5cf6);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.hero-sub{font-size:clamp(15px,2vw,19px);color:#8b929a;line-height:1.65;max-width:620px;margin:0 auto 44px}.hero-pills{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-bottom:48px}.hero-pill{padding:8px 16px;border-radius:999px;border:1px solid rgba(255,255,255,.08);background:#ffffff0a;color:#c9d1d9;font-size:12px;letter-spacing:.04em}.hero-pill b{color:#f0f2f4}.hero-pill .accent{color:#ff6d5a}.hero-pill .green{color:#10b981}.hero-pill .violet{color:#8b5cf6}.hero-cta-group{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-bottom:56px}.hero-cta{display:inline-flex;align-items:center;gap:8px;padding:14px 32px;border-radius:999px;font:inherit;font-size:15px;font-weight:600;cursor:pointer;transition:all .25s ease;border:none;text-decoration:none}.hero-cta-primary{background:#ff6d5a;color:#fff;box-shadow:0 4px 24px #ff6d5a4d}.hero-cta-primary:hover{background:#ff8f7a;box-shadow:0 6px 32px #ff6d5a66;transform:translateY(-1px)}.hero-cta-secondary{background:#ffffff0f;color:#c9d1d9;border:1px solid rgba(255,255,255,.1)}.hero-cta-secondary:hover{background:#ffffff1a;color:#f0f2f4}.hero-features{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;max-width:720px;margin:0 auto 48px;background:#ffffff0a;border-radius:16px;overflow:hidden;border:1px solid rgba(255,255,255,.06)}.hero-feat{padding:24px 20px;background:#0d1117d9;text-align:center}.hero-feat-icon{font-size:22px;margin-bottom:8px;display:block}.hero-feat-label{font-size:12px;color:#8b929a;line-height:1.5}.hero-feat-label b{display:block;color:#f0f2f4;font-size:13px;margin-bottom:2px}.hero-scroll-btn{position:absolute;bottom:32px;left:50%;transform:translate(-50%);z-index:3;display:flex;flex-direction:column;align-items:center;gap:6px;background:none;border:none;cursor:pointer;color:#484f58;font:inherit;font-size:11px;letter-spacing:.08em;transition:color .3s ease;padding:8px}.hero-scroll-btn:hover{color:#ff6d5a}.hero-scroll-btn svg{animation:heroChevronBounce 2s ease-in-out infinite}@keyframes heroChevronBounce{0%,to{transform:translateY(0)}50%{transform:translateY(5px)}}.app-section{position:relative;width:100%;height:100vh;scroll-snap-align:start;touch-action:none}.back-to-top{position:fixed;bottom:18px;left:50%;transform:translate(-50%);z-index:40;display:flex;align-items:center;gap:6px;padding:8px 14px;border-radius:999px;border:1px solid var(--bg-2);background:var(--bg-1);color:var(--muted);font:inherit;font-size:11px;letter-spacing:.04em;cursor:pointer;box-shadow:0 2px 8px #0000000f;opacity:0;pointer-events:none;transition:opacity .3s ease,color .2s ease}.back-to-top.visible{opacity:1;pointer-events:auto}.back-to-top:hover{color:var(--cyan);border-color:var(--cyan)}@media (max-width: 640px){.hero-features{grid-template-columns:1fr}.hero-h1{font-size:28px}.hero-cta{padding:12px 24px;font-size:14px}}#graph{position:fixed;top:0;right:0;bottom:0;left:0;width:100vw;height:100vh;display:block;cursor:grab;z-index:1}#graph.dragging{cursor:grabbing}.hud{position:fixed;z-index:9;left:14px;right:14px;top:14px;display:flex;flex-direction:column;gap:10px;pointer-events:none}.hud-row{display:flex;align-items:center;justify-content:space-between;gap:10px;pointer-events:none}.brand{pointer-events:auto;display:flex;align-items:baseline;gap:8px;padding:8px 12px;border:1px solid var(--bg-2);border-radius:10px;background:var(--bg-1);box-shadow:0 2px 8px #0000000d}.brand b{letter-spacing:.06em;color:var(--cyan);font-size:15px;font-weight:700}.brand span{color:var(--muted);font-size:12px}.stats{pointer-events:auto;display:flex;align-items:center;gap:8px;flex-wrap:wrap;justify-content:flex-end}.pill{padding:7px 10px;border-radius:999px;border:1px solid var(--bg-2);background:var(--bg-1);color:var(--muted);font-size:11px;line-height:1;box-shadow:0 2px 8px #0000000d}.pill b{color:var(--text)}.pill-btn{cursor:pointer;font:inherit;color:var(--text);border-color:var(--bg-2);background:var(--bg-1)}.pill-btn:hover{filter:brightness(1.08)}.breadcrumbs{pointer-events:auto;display:flex;align-items:center;flex-wrap:wrap;gap:6px;min-height:34px;padding:8px 10px;border:1px solid var(--bg-2);border-radius:10px;background:var(--bg-1);box-shadow:0 2px 8px #0000000d;max-width:min(860px,95vw)}.crumb{border:0;background:transparent;color:var(--muted);cursor:pointer;font:inherit;font-size:12px;padding:2px 4px;border-radius:6px}.crumb:hover{background:var(--bg-0);color:var(--text)}.crumb.current{color:var(--green);font-weight:700;pointer-events:none}.crumb-sep{color:var(--bg-2);font-size:12px}.hint{pointer-events:auto;align-self:flex-start;max-width:min(760px,95vw);padding:8px 10px;border-radius:10px;border:1px solid var(--bg-2);background:var(--bg-1);color:var(--muted);font-size:12px;box-shadow:0 2px 8px #0000000d}.hint strong{color:var(--text)}.composer{position:fixed;z-index:10;left:50%;top:50%;width:min(560px,calc(100vw - 28px));transform:translate(-50%,-50%);pointer-events:auto;border-radius:999px;padding:10px;background:var(--bg-1);border:1px solid var(--bg-2);box-shadow:0 8px 32px #00000014}.composer.free{transform:none}.composer-inner{display:flex;align-items:center;gap:8px;min-height:44px}#promptInput{flex:1;min-width:0;border:1px solid var(--bg-2);border-radius:999px;background:var(--bg-0);color:var(--text);outline:none;padding:11px 14px;font:inherit;font-size:14px}#promptInput::placeholder{color:var(--muted)}#promptInput:focus{border-color:var(--cyan);box-shadow:0 0 0 2px #ff6d5a33}.send-btn{border:none;background:var(--cyan);color:#fff;border-radius:999px;padding:10px 15px;font:inherit;font-weight:600;font-size:13px;cursor:pointer;box-shadow:0 2px 8px #ff6d5a4d;white-space:nowrap}.send-btn:hover{filter:brightness(1.08)}.composer-sub{margin-top:8px;display:flex;align-items:center;justify-content:space-between;gap:8px;color:var(--muted);font-size:11px;padding:0 6px 2px}.composer-grip{border:1px solid var(--bg-2);border-radius:999px;background:var(--bg-0);color:var(--text);font:inherit;font-size:11px;line-height:1;padding:6px 9px;cursor:grab;white-space:nowrap}.composer-grip:active{cursor:grabbing}.target{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:55%}.menu{position:fixed;z-index:20;display:none;min-width:170px;border-radius:10px;border:1px solid var(--bg-2);background:var(--bg-1);box-shadow:0 8px 24px #0000001f;overflow:hidden}.menu button{width:100%;border:0;background:transparent;color:var(--text);font:inherit;font-size:13px;text-align:left;padding:10px 12px;cursor:pointer}.menu button:hover{background:var(--bg-0)}.menu button.danger{color:var(--danger)}.warp{position:fixed;top:0;right:0;bottom:0;left:0;z-index:30;pointer-events:none;opacity:0;background:radial-gradient(circle at center,#ff6d5a1a,#0000 60%);transform:scale(.78);transition:opacity .56s ease,transform .56s cubic-bezier(.17,.84,.44,1)}.warp.active{opacity:1;transform:scale(1.8)}.legend{position:fixed;z-index:9;right:14px;bottom:12px;display:flex;gap:6px;flex-wrap:wrap;justify-content:flex-end;pointer-events:none;max-width:min(420px,94vw)}.site-credit{position:fixed;z-index:9;left:14px;bottom:12px;padding:7px 10px;border-radius:999px;border:1px solid var(--bg-2);background:var(--bg-1);color:var(--muted);font-size:11px;line-height:1;box-shadow:0 2px 8px #0000000d;pointer-events:auto}.site-credit a{color:inherit;text-decoration:none;font-weight:700}.site-credit a:hover{text-decoration:underline}.edge-inspector,.node-inspector{position:fixed;z-index:11;right:14px;width:min(330px,calc(100vw - 28px));border-radius:12px;border:1px solid var(--bg-2);background:var(--bg-1);box-shadow:0 4px 16px #00000014;padding:10px;pointer-events:auto}.edge-inspector{top:140px}.node-inspector{top:432px}.edge-inspector h3,.node-inspector h3{margin:0 0 8px;font-size:12px;letter-spacing:.04em;color:var(--text);font-weight:700}.edge-inspector .inspector-sub,.node-inspector .inspector-sub{margin:0 0 10px;color:var(--muted);font-size:11px;line-height:1.3}.edge-inspector .field,.node-inspector .field{display:flex;flex-direction:column;gap:6px;margin-bottom:8px}.edge-inspector label,.node-inspector label{color:var(--muted);font-size:11px;font-weight:600}.edge-inspector input,.edge-inspector select,.node-inspector input,.node-inspector select,.node-inspector textarea{width:100%;border:1px solid var(--bg-2);border-radius:8px;background:var(--bg-0);color:var(--text);padding:8px 9px;font:inherit;font-size:12px;outline:none}.node-inspector textarea{min-height:92px;resize:vertical}.hidden{display:none!important}.node-md-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:11;background:#00000052;-webkit-backdrop-filter:blur(1px);backdrop-filter:blur(1px)}.node-md-overlay{position:fixed;z-index:12;left:50%;top:50%;transform:translate(-50%,-50%);width:min(760px,calc(100vw - 28px));max-height:min(82vh,760px);border:1px solid var(--bg-2);border-radius:12px;background:var(--bg-1);box-shadow:0 12px 30px #00000029;overflow:hidden;pointer-events:auto}.node-md-header{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:9px 10px;border-bottom:1px solid var(--bg-2);background:var(--bg-0)}.node-md-title{font-size:11px;font-weight:700;color:var(--text);letter-spacing:.04em}.node-md-tabs{display:flex;gap:6px}.node-md-tabs button,.node-md-close{border:1px solid var(--bg-2);border-radius:7px;background:#fff;color:var(--text);padding:4px 8px;font-size:11px;cursor:pointer}.node-md-tabs button.active{border-color:var(--cyan);color:var(--cyan)}.node-md-body{padding:10px}.node-md-editor{width:100%;min-height:180px;max-height:46vh;border:1px solid var(--bg-2);border-radius:8px;background:#fff;color:var(--text);padding:8px 9px;font:inherit;font-size:12px;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,Courier New,monospace;line-height:1.45;resize:vertical;outline:none;overflow:auto}.node-md-preview{min-height:180px;max-height:46vh;border:1px solid var(--bg-2);border-radius:8px;background:#fff;color:var(--text);padding:8px 9px;font-size:12px;line-height:1.45;overflow:auto;white-space:normal}.node-md-preview h1,.node-md-preview h2,.node-md-preview h3,.node-md-preview h4,.node-md-preview h5,.node-md-preview h6{margin:.4em 0;line-height:1.2}.node-md-preview p,.node-md-preview ul,.node-md-preview ol,.node-md-preview pre,.node-md-preview blockquote{margin:.45em 0}.node-md-preview pre{background:var(--bg-0);border:1px solid var(--bg-2);border-radius:6px;padding:6px 7px;overflow:auto;white-space:pre}.node-md-preview code{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,Courier New,monospace;background:var(--bg-0);border:1px solid var(--bg-2);border-radius:4px;padding:0 3px}.node-md-preview pre code{border:0;padding:0;background:transparent}.node-md-preview blockquote{border-left:3px solid var(--bg-2);padding-left:8px;color:var(--muted)}.edge-inspector input:focus,.edge-inspector select:focus,.node-inspector input:focus,.node-inspector select:focus,.node-inspector textarea:focus{border-color:var(--cyan);box-shadow:0 0 0 2px #ff6d5a33}.edge-inspector .empty,.node-inspector .empty{margin-top:4px;color:var(--muted);font-size:11px}@media (max-width: 820px){.composer{top:auto;bottom:18px;transform:translate(-50%)}.hud{gap:8px}.hint,.breadcrumbs{font-size:11px}.legend{display:none}.edge-inspector{left:14px;right:14px;top:auto;bottom:228px;width:auto}.node-inspector{left:14px;right:14px;top:auto;bottom:86px;width:auto}}