:root{--bg:#0b0d12;--panel:#11141b;--panel2:#171b24;--line:#242a36;--text:#f2f4f8;--muted:#7f899b;--accent:#7c5cff;--cyan:#54d9dc;--danger:#ff627d}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:14px Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;overflow:hidden}button,input,textarea,select{font:inherit}.hidden{display:none!important}.app{height:100vh;display:grid;grid-template:64px 1fr/64px 260px 1fr 330px}header{grid-column:1/5;display:flex;align-items:center;padding:0 18px;border-bottom:1px solid var(--line);background:#0e1117;gap:18px;z-index:5}.brand{display:flex;align-items:center;gap:10px;font-size:15px}.brand-mark{display:grid;place-items:center;width:42px;height:42px;border-radius:13px;background:linear-gradient(145deg,var(--accent),#aa67ff);font-weight:900;box-shadow:0 0 30px #7c5cff55}.brand-mark.small{width:31px;height:31px;border-radius:9px}.crumb,.status{color:var(--muted)}.status{margin-left:auto;font-size:12px}.status i{display:inline-block;width:7px;height:7px;border-radius:50%;background:#55d995;margin-right:6px;box-shadow:0 0 12px #55d995}.primary{border:0;border-radius:9px;padding:10px 15px;background:var(--accent);color:white;text-decoration:none;cursor:pointer;font-weight:650}.primary:hover{filter:brightness(1.12)}kbd{margin-left:10px;color:#cfc8ff;background:#6247dc;padding:3px 6px;border:0;border-radius:5px;font-size:10px}.avatar{width:32px;height:32px;border-radius:50%;background:#263044;display:grid;place-items:center}.rail{grid-row:2;display:flex;flex-direction:column;align-items:center;padding:12px 8px;border-right:1px solid var(--line);gap:8px;background:#0e1117}.rail button,.square,.zoom button,.inspector-head button,.palette-head button{border:0;color:var(--muted);background:transparent;cursor:pointer}.rail button{width:42px;height:42px;border-radius:10px;font-size:19px}.rail button.active,.rail button:hover{background:#252038;color:#a996ff}.sidebar{grid-column:2;grid-row:2;border-right:1px solid var(--line);background:var(--panel);display:flex;flex-direction:column}.side-title,.inspector-head,.palette-head{display:flex;justify-content:space-between;align-items:center;padding:22px 18px;border-bottom:1px solid var(--line)}small{font-size:10px;letter-spacing:.13em;color:var(--muted);font-weight:700}h2{font-size:17px;margin:5px 0 0}.square{width:32px;height:32px;background:var(--accent);color:#fff;border-radius:8px;font-size:20px}.command-list{padding:10px;overflow:auto}.command{padding:12px;border:1px solid transparent;border-radius:10px;cursor:pointer;margin-bottom:5px;display:flex;gap:10px;align-items:center}.command:hover{background:#171b24}.command.active{background:#201c31;border-color:#473b75}.command code{color:#aa9aff;font-weight:700}.command span{display:block;color:var(--muted);font-size:11px;margin-top:3px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;width:170px}.side-foot{margin-top:auto;border-top:1px solid var(--line);padding:15px 18px;display:flex;justify-content:space-between;color:var(--muted)}main{grid-column:3;grid-row:2;min-width:0;background:#0c0f14}.toolbar{height:70px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 18px}.toolbar input{display:block;background:transparent;border:0;outline:0;color:white}.toolbar input:first-child{font-size:17px;font-weight:700}.toolbar input:first-child:before{content:'/';}.toolbar input:last-child{font-size:11px;color:var(--muted);margin-top:5px;width:360px}.zoom{display:flex;align-items:center;border:1px solid var(--line);border-radius:8px;padding:3px}.zoom button{width:27px;height:25px}.zoom span{font-size:11px;color:var(--muted);padding:0 5px}.canvas-wrap{height:calc(100% - 70px);position:relative;overflow:hidden}.canvas{width:100%;height:100%;position:relative;overflow:auto}.grid{position:absolute;inset:0;min-width:1600px;min-height:1200px;background-image:radial-gradient(#2c3240 1px,transparent 1px);background-size:22px 22px;opacity:.55}.empty{position:absolute;inset:0;display:grid;place-content:center;text-align:center;color:var(--muted);pointer-events:none}.empty span{font-size:35px}.empty h2{color:#cbd0dc}.fab{position:absolute;left:50%;bottom:24px;transform:translateX(-50%);border:1px solid #6955cb;background:#1c1831;color:#bdb2ff;border-radius:11px;padding:11px 17px;cursor:pointer}.flow-node{position:absolute;width:230px;border:1px solid #303746;border-radius:13px;background:#161a22;box-shadow:0 16px 45px #0007;cursor:pointer;overflow:hidden}.flow-node.selected{border-color:#846aff;box-shadow:0 0 0 2px #7c5cff30,0 16px 45px #0008}.node-top{height:5px;background:var(--node-color,var(--accent))}.node-body{padding:15px}.node-icon{width:34px;height:34px;display:inline-grid;place-items:center;border-radius:9px;background:#242938;margin-right:8px}.node-body b{font-size:13px}.node-body p{margin:12px 0 0;color:var(--muted);font-size:11px;line-height:1.5}.port{position:absolute;width:11px;height:11px;border-radius:50%;background:#788195;border:2px solid #161a22;top:48px}.port.in{left:-6px}.port.out{right:-6px;background:var(--accent)}.inspector{grid-column:4;grid-row:2;border-left:1px solid var(--line);background:var(--panel);overflow:auto}.inspector-head button,.palette-head button{font-size:23px}.form{padding:18px}.field{margin-bottom:17px}.field label{display:block;color:#aeb6c5;font-size:11px;font-weight:600;margin-bottom:7px}.field input,.field textarea,.field select,.search{width:100%;border:1px solid #2b3240;border-radius:8px;background:#0e1117;color:#e9ecf3;padding:10px;outline:none}.field textarea{min-height:90px;resize:vertical}.field input:focus,.field textarea:focus,.field select:focus{border-color:var(--accent)}.hint{border:1px dashed #303747;border-radius:10px;padding:15px;color:var(--muted);line-height:1.5}.toggle{display:flex;justify-content:space-between;align-items:center}.toggle input{width:auto}.modal{position:fixed;inset:0;background:#05070bb8;backdrop-filter:blur(8px);display:grid;place-items:center;z-index:20}.palette{width:650px;max-height:75vh;border:1px solid #303747;background:#12161e;border-radius:16px;box-shadow:0 30px 100px #000}.search{margin:16px;width:calc(100% - 32px)}.node-types{display:grid;grid-template-columns:1fr 1fr;gap:10px;padding:0 16px 20px;overflow:auto;max-height:50vh}.type-card{border:1px solid #29303d;border-radius:11px;padding:15px;background:#171b24;cursor:pointer}.type-card:hover{border-color:#6d58d2;background:#1e1b30}.type-card span{font-size:20px;margin-right:9px}.type-card p{color:var(--muted);font-size:11px;margin:7px 0 0}.login{height:100vh;display:grid;place-items:center;background:radial-gradient(circle at 50% 35%,#221a43,transparent 35%),#090b10}.login-card{text-align:center;border:1px solid #292f3d;background:#11141bdd;padding:45px;border-radius:20px;min-width:360px}.login-card .brand-mark{margin:auto}.login-card h1{font-size:32px;margin:18px 0 5px}.login-card p{color:var(--muted);margin-bottom:28px}#toast{position:fixed;right:25px;bottom:25px;background:#202635;border:1px solid #394154;padding:13px 18px;border-radius:10px;transform:translateY(100px);transition:.25s;z-index:50}#toast.show{transform:none}@media(max-width:1050px){.app{grid-template-columns:54px 220px 1fr}.inspector{position:fixed;right:0;top:64px;bottom:0;width:330px;z-index:10;box-shadow:-20px 0 50px #0008}.status{display:none}}@media(max-width:720px){.app{grid-template-columns:52px 1fr}.sidebar{display:none}main{grid-column:2}.inspector{display:none}.brand span:last-child{display:none}.node-types{grid-template-columns:1fr}}