:root{
  --bg:#151a2b; --bg2:#1b2135; --panel:#20273d; --card:#252d46; --card2:#2c3552; --line:#38425f; --line2:#4a5578;
  --text:#e6e9f2; --muted:#9aa3bd; --dim:#6f7894; --accent:#f5b83d; --accent2:#ffcf6e; --blue:#6aa2ff; --green:#4fd18b; --red:#ff6b6b; --violet:#a98bff;
  --dot: rgba(255,255,255,.06); --shadow:0 8px 30px rgba(0,0,0,.35); --r:12px;
  font-family: Inter, -apple-system, "Segoe UI", Roboto, Arial, sans-serif; color-scheme: dark;
}
:root.light{
  --bg:#eef1f7; --bg2:#ffffff; --panel:#ffffff; --card:#ffffff; --card2:#f2f4f9; --line:#d8dde9; --line2:#c3cadb;
  --text:#1d2433; --muted:#5d667d; --dim:#8a93a8; --dot: rgba(0,0,0,.07); --shadow:0 8px 24px rgba(30,40,70,.12); color-scheme: light;
}
*{box-sizing:border-box}
html,body{margin:0;height:100%;background:var(--bg);color:var(--text);font-size:14px}
a{color:var(--blue)}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
.btn{background:var(--card2);border:1px solid var(--line);border-radius:10px;padding:8px 14px;display:inline-flex;align-items:center;gap:6px;white-space:nowrap;transition:.15s}
.btn:hover{border-color:var(--line2);background:var(--card)}
.btn.primary{background:var(--accent);color:#1b1b1b;border-color:var(--accent);font-weight:600}
.btn.primary:hover{background:var(--accent2)}
.btn.danger{color:var(--red)}
.btn.on{border-color:var(--accent);color:var(--accent)}
.btn.sm{padding:4px 9px;font-size:12px;border-radius:8px}
.btn:disabled{opacity:.5;cursor:default}
input[type=text],input[type=password],input[type=number],input[type=email],input[type=url],select,textarea{
  background:var(--bg2);border:1px solid var(--line);border-radius:9px;padding:8px 10px;width:100%;outline:none}
input:focus,select:focus,textarea:focus{border-color:var(--accent)}
textarea{resize:vertical;min-height:70px;line-height:1.4}
label.f{display:block;margin:12px 0 4px;color:var(--muted);font-size:12px}
.hint{color:var(--dim);font-size:12px;line-height:1.4}
.row{display:flex;gap:8px;align-items:center}
.row.wrap{flex-wrap:wrap}
.grow{flex:1}
.muted{color:var(--muted)}
.pill{display:inline-block;padding:2px 8px;border-radius:999px;background:var(--card2);border:1px solid var(--line);font-size:11px;color:var(--muted)}
.pill.ok{color:var(--green);border-color:color-mix(in srgb,var(--green) 40%,transparent)}
.pill.err{color:var(--red);border-color:color-mix(in srgb,var(--red) 40%,transparent)}
.pill.warn{color:var(--accent);border-color:color-mix(in srgb,var(--accent) 40%,transparent)}

/* layout */
.layout{display:flex;height:100vh}
.side{width:216px;background:var(--bg2);border-right:1px solid var(--line);display:flex;flex-direction:column;padding:14px 10px;flex-shrink:0}
.logo{display:flex;gap:10px;align-items:center;font-weight:700;font-size:15px;padding:4px 8px 18px}
.logo svg{width:26px;height:26px}
.nav a{display:flex;gap:10px;align-items:center;padding:9px 10px;border-radius:9px;color:var(--muted);text-decoration:none;margin-bottom:2px}
.nav a:hover{background:var(--card2);color:var(--text)}
.nav a.act{background:var(--card2);color:var(--text);box-shadow:inset 3px 0 0 var(--accent)}
.nav .ico{width:20px;text-align:center}
.side .me{margin-top:auto;padding:10px;border-top:1px solid var(--line);font-size:12px;color:var(--muted)}
.main{flex:1;min-width:0;display:flex;flex-direction:column;overflow:hidden}
.page{padding:24px 28px;overflow:auto;height:100%}
.page h1{margin:0 0 4px;font-size:22px}
.page .sub{color:var(--muted);margin-bottom:20px}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:14px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:16px}
.card h3{margin:0 0 6px;font-size:15px;display:flex;align-items:center;gap:8px}
.kpi{font-size:28px;font-weight:700}
table.t{width:100%;border-collapse:collapse}
table.t th{text-align:left;color:var(--muted);font-weight:500;font-size:12px;padding:8px;border-bottom:1px solid var(--line)}
table.t td{padding:9px 8px;border-bottom:1px solid var(--line);vertical-align:top}
table.t tr.click:hover td{background:var(--card2);cursor:pointer}

/* login */
.login{display:grid;place-items:center;height:100vh}
.login form{width:340px;background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:28px;box-shadow:var(--shadow)}
.login h2{margin:0 0 14px}
.err{color:var(--red);font-size:13px;min-height:18px;margin-top:8px}

/* canvas */
.cv-top{display:flex;align-items:center;gap:8px;padding:10px 14px;border-bottom:1px solid var(--line);background:var(--bg2);flex-wrap:nowrap;overflow-x:auto}
.cv-top .btn{padding:7px 11px}
.cv-top .ttl{font-weight:700;font-size:16px;margin-right:4px}
.cv-top select{width:auto;min-width:200px;max-width:320px}
.cv-top .status{color:var(--muted);font-size:12px;margin-left:auto;white-space:nowrap}
.cv{position:relative;flex:1;overflow:hidden;background:var(--bg);background-image:radial-gradient(var(--dot) 1px,transparent 1px);background-size:22px 22px;cursor:grab;user-select:none}
.cv.panning{cursor:grabbing}
.cv-hint{position:absolute;left:14px;top:10px;color:var(--dim);font-size:12px;z-index:5;pointer-events:none}
.world{position:absolute;left:0;top:0;transform-origin:0 0}
.world svg.edges{position:absolute;left:0;top:0;overflow:visible;pointer-events:none;width:1px;height:1px}
.edges path{fill:none;stroke:color-mix(in srgb,var(--text) 45%,transparent);stroke-width:1.6}
.edges path.sel{stroke:var(--accent);stroke-width:2.4}
.edges path.tmp{stroke:var(--accent);stroke-dasharray:6 5}
.edges path.hot{stroke:var(--green)}
.elabel{position:absolute;transform:translate(-50%,-50%);background:var(--bg2);border:1px solid var(--accent);color:var(--text);font-size:11px;padding:2px 8px;border-radius:999px;white-space:nowrap;cursor:pointer;z-index:3}
.elabel.sel{background:var(--accent);color:#1b1b1b}
.elabel .fact{color:var(--green);font-weight:600;margin-left:4px}
.node{position:absolute;width:290px;background:var(--card);border:1px solid var(--line2);border-radius:14px;padding:12px 12px 10px;box-shadow:var(--shadow);cursor:default;z-index:2}
.node.sel{border-color:var(--accent);box-shadow:0 0 0 2px color-mix(in srgb,var(--accent) 45%,transparent),var(--shadow)}
.node.live{box-shadow:0 0 0 3px var(--green),var(--shadow)}
.node.branch{border-style:dashed}
.node .hd{display:flex;align-items:center;gap:6px;cursor:move}
.node .ti{font-weight:700;font-size:13px;flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.node .sub{color:var(--dim);font-size:11px;margin:3px 0 8px}
.node .startb{font-size:10px;background:var(--accent);color:#1b1b1b;border-radius:6px;padding:1px 6px;font-weight:700}
.node .badge{font-size:11px;background:color-mix(in srgb,var(--green) 20%,transparent);color:var(--green);border-radius:999px;padding:1px 8px;font-weight:600}
.node .tx{background:var(--card2);border-radius:9px;padding:8px 10px;font-size:12px;line-height:1.4;white-space:pre-wrap;max-height:96px;overflow:hidden;position:relative;margin-bottom:6px}
.node .tx.empty{color:var(--dim);font-style:italic}
.node .nb{position:relative;background:var(--card2);border:1px solid var(--line);border-radius:9px;padding:6px 10px;font-size:12px;text-align:center;margin-top:5px}
.node .nb .sc{color:var(--accent);font-weight:600;margin-left:4px}
.node .nb .cnt{color:var(--green);font-weight:600;margin-left:6px}
.node .ft{margin-top:7px;font-size:11px;color:var(--muted);background:color-mix(in srgb,var(--green) 10%,transparent);border-radius:8px;padding:4px 8px}
.node .cond{font-size:12px;background:var(--card2);border-radius:8px;padding:5px 9px;margin-top:4px}
.port{position:absolute;width:12px;height:12px;border-radius:50%;background:var(--accent);border:2px solid var(--card);right:-7px;top:50%;margin-top:-6px;cursor:crosshair;z-index:4}
.port:hover{transform:scale(1.4)}
.port.main{top:auto;bottom:10px;margin-top:0}
.pin{position:absolute;left:-6px;top:20px;width:10px;height:10px;border-radius:50%;background:var(--accent);border:2px solid var(--card)}
.frame{position:absolute;border:1px dashed var(--accent);background:color-mix(in srgb,var(--accent) 10%,transparent);z-index:6;pointer-events:none}
.zoomctl{position:absolute;left:14px;bottom:14px;display:flex;flex-direction:column;background:var(--panel);border:1px solid var(--line);border-radius:12px;z-index:7;overflow:hidden}
.zoomctl button{background:none;border:0;width:40px;height:38px;font-size:18px}
.zoomctl button:hover{background:var(--card2)}
.minimap{position:absolute;right:14px;bottom:14px;width:260px;height:150px;background:var(--panel);border:1px solid var(--line);border-radius:12px;z-index:7;cursor:pointer}
.cv.withpanel .minimap{right:404px}
.panel{position:absolute;right:0;top:0;bottom:0;width:390px;background:var(--panel);border-left:1px solid var(--line);z-index:8;overflow:auto;padding:16px 16px 40px;cursor:default;user-select:text}
.panel h3{margin:0;font-size:16px}
.panel .sec{border-top:1px solid var(--line);margin-top:14px;padding-top:4px}
.panel .brow{display:grid;grid-template-columns:1fr 1fr 48px 52px 28px;gap:6px;margin-top:6px}
.panel .brow select{padding:4px 2px;font-size:12px}
.panel .brow input{padding:6px 8px;font-size:12px}
.panel .erow{background:var(--card2);border:1px solid var(--line);border-radius:10px;padding:8px;margin-top:8px}
.panel .erow select,.panel .erow input{padding:5px 7px;font-size:12px}
.x{background:none;border:0;color:var(--dim);font-size:16px;padding:0 4px}
.x:hover{color:var(--red)}

/* drawer: test chat */
.drawer{position:absolute;right:0;top:0;bottom:0;width:380px;background:var(--panel);border-left:1px solid var(--line);z-index:9;display:flex;flex-direction:column;cursor:default;user-select:text}
.drawer .dh{padding:12px 14px;border-bottom:1px solid var(--line);display:flex;gap:8px;align-items:center}
.chat{flex:1;overflow:auto;padding:14px;display:flex;flex-direction:column;gap:8px}
.msg{max-width:88%;padding:9px 12px;border-radius:14px;white-space:pre-wrap;line-height:1.4;font-size:13px}
.msg.in{align-self:flex-end;background:color-mix(in srgb,var(--blue) 30%,var(--card));border-bottom-right-radius:4px}
.msg.out{align-self:flex-start;background:var(--card2);border-bottom-left-radius:4px}
.msg.ai{border:1px solid color-mix(in srgb,var(--violet) 50%,transparent)}
.msg.op{border:1px solid color-mix(in srgb,var(--accent) 50%,transparent)}
.msg.err{color:var(--red)}
.msg .meta{font-size:10px;color:var(--dim);margin-top:4px}
.msg .kb{display:flex;flex-direction:column;gap:4px;margin-top:8px}
.msg .kb button{background:var(--bg2);border:1px solid var(--line);border-radius:8px;padding:6px;font-size:12px}
.msg .kb button:hover{border-color:var(--accent)}
.msg img,.msg video{max-width:100%;border-radius:8px;margin-bottom:6px;display:block}
.node .nvid{font-size:11px;background:var(--card2);border-radius:8px;padding:4px 8px;margin-bottom:6px;color:var(--muted)}
.composer{display:flex;gap:8px;padding:10px;border-top:1px solid var(--line)}

/* modal */
.modal-bg{position:fixed;inset:0;background:rgba(0,0,0,.5);display:grid;place-items:center;z-index:50}
.modal{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:20px;width:min(640px,94vw);max-height:90vh;overflow:auto;box-shadow:var(--shadow)}
.modal h3{margin:0 0 10px}
.toast{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);background:var(--card);border:1px solid var(--line2);padding:10px 16px;border-radius:10px;z-index:100;box-shadow:var(--shadow)}
.toast.err{border-color:var(--red);color:var(--red)}
.diff{background:var(--card2);border-radius:10px;padding:10px;margin-top:8px;font-size:12px;white-space:pre-wrap}
.diff b{color:var(--accent)}
.split{display:grid;grid-template-columns:minmax(320px,1fr) 1.4fr;gap:16px;height:calc(100vh - 140px)}
.box{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);overflow:auto}
.chbox{display:flex;flex-direction:column;height:100%}
.chan-ico{font-size:22px}
.code{font-family:ui-monospace,Menlo,monospace;background:var(--card2);padding:2px 6px;border-radius:6px;font-size:12px;word-break:break-all}
ol.steps{padding-left:18px;color:var(--muted);font-size:13px;line-height:1.5;margin:8px 0}

.chips{display:flex;flex-wrap:wrap;gap:6px;min-height:30px;align-items:center}
.chip{display:inline-flex;align-items:center;gap:4px;padding:4px 6px 4px 10px;border-radius:999px;background:color-mix(in srgb,var(--accent) 16%,var(--card2));border:1px solid color-mix(in srgb,var(--accent) 45%,transparent);font-weight:600;font-size:13px}
.chip button{border:0;background:transparent;color:var(--muted);cursor:pointer;font-size:13px;padding:0 3px;line-height:1}
.chip button:hover{color:var(--text)}

.nimg{display:block;width:100%;height:110px;object-fit:cover;border-radius:8px;margin:0 0 6px;background:var(--card2)}
.imgbox{display:flex;flex-direction:column;gap:8px}
.imgbox img{max-width:100%;max-height:220px;object-fit:contain;border-radius:10px;border:1px solid var(--line);background:var(--card2);align-self:flex-start}

/* оформление текста */
.mdbar{display:flex;gap:4px;align-items:center;margin:4px 0;flex-wrap:wrap}
.mdbar button{background:var(--card2);border:1px solid var(--line);border-radius:7px;min-width:30px;height:28px;padding:0 7px;font-size:13px;color:var(--text);cursor:pointer}
.mdbar button:hover,.mdbar button.on{border-color:var(--accent);color:var(--accent)}
.mdhelp{background:var(--card2);border-radius:8px;padding:8px 10px;margin-bottom:6px;line-height:1.5}
.mdpv{background:var(--card2);border:1px dashed var(--line);border-radius:10px;padding:9px 12px;margin-top:6px;white-space:pre-wrap;line-height:1.4;font-size:13px}
.mdpv code,.msg code,.node .tx code{font-family:ui-monospace,Menlo,Consolas,monospace;background:rgba(127,127,127,.18);padding:0 4px;border-radius:4px;font-size:.92em}
.mdpv pre,.msg pre,.node .tx pre{font-family:ui-monospace,Menlo,Consolas,monospace;background:rgba(127,127,127,.18);padding:6px 8px;border-radius:6px;margin:2px 0;white-space:pre-wrap;font-size:.92em}
.mdpv blockquote,.msg blockquote,.node .tx blockquote{margin:2px 0;padding:2px 0 2px 9px;border-left:3px solid var(--accent);opacity:.9}
.mdpv a,.msg a,.node .tx a{color:var(--blue);text-decoration:underline}
.md-sp{background:rgba(127,127,127,.45);color:transparent;border-radius:4px;transition:.2s;cursor:pointer}
.md-sp:hover{color:inherit;background:rgba(127,127,127,.2)}
.node .tx a{pointer-events:none}

/* раздел «Сайты» */
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin-bottom:16px;flex-wrap:wrap}
.tabs a{padding:9px 14px;color:var(--muted);text-decoration:none;border-bottom:2px solid transparent;margin-bottom:-1px}
.tabs a:hover{color:var(--text)}
.tabs a.act{color:var(--text);border-bottom-color:var(--accent)}
.tplpick{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.tplc{display:flex;flex-direction:column;gap:4px;padding:12px;border:1px solid var(--line);border-radius:10px;cursor:pointer;background:var(--card2)}
.tplc:has(input:checked){border-color:var(--accent);box-shadow:0 0 0 1px var(--accent)}
.tplc input{display:none}
.se-wrap{flex:1;display:grid;grid-template-columns:440px 1fr;min-height:0}
.se-left{overflow:auto;padding:12px 12px 60px;border-right:1px solid var(--line);background:var(--bg2)}
.se-prev{background:var(--bg);background-image:radial-gradient(var(--dot) 1px,transparent 1px);background-size:22px 22px;overflow:auto;display:flex;justify-content:center;padding:16px}
.se-frame{width:100%;height:100%;min-height:500px;border-radius:12px;overflow:hidden;box-shadow:var(--shadow);background:#fff;transition:width .2s}
.se-frame.mobile{width:390px;flex-shrink:0;border-radius:28px;border:8px solid #1b1f2b}
.se-frame iframe{width:100%;height:100%;border:0;display:block}
.se-card{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:12px;margin-bottom:10px}
.se-sec.open{border-color:var(--accent)}
.se-sec.off{opacity:.55}
.se-sh{cursor:pointer;gap:6px}
.se-sh b{font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.se-ic{width:24px;text-align:center}
.se-body{margin-top:6px;border-top:1px solid var(--line)}
.se-h{margin:16px 0 0;padding-top:12px;border-top:1px dashed var(--line);font-weight:700;font-size:13px;color:var(--accent)}
.se-chk{display:flex;gap:8px;align-items:flex-start;color:var(--text);font-size:13px}
.se-chk input{margin-top:2px}
.se-color{display:inline-block;margin-right:14px}
.se-color input{width:64px;height:34px;padding:2px;border:1px solid var(--line);border-radius:8px;background:var(--bg2);cursor:pointer}
.se-img img{max-height:110px;max-width:100%;border-radius:8px;border:1px solid var(--line);margin-bottom:6px;display:block}
.se-btn{display:grid;gap:6px}
.se-list .se-item,.se-fields .se-field{background:var(--card2);border:1px solid var(--line);border-radius:10px;padding:8px 10px;margin-bottom:8px}
.se-item label.f{margin-top:6px}
.se-field input,.se-field select,.se-field textarea{padding:6px 8px;font-size:13px}
.se-pill{display:inline-flex;gap:4px;align-items:center;padding:4px 10px;font-size:12px;cursor:pointer}
.se-add{padding:12px;border:1px dashed var(--line2);border-radius:12px}
.se-code{background:var(--card2);border:1px solid var(--line);border-radius:8px;padding:10px;margin:10px 0;font-size:12px;word-break:break-all;user-select:all}
.mono{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:12px}
@media (max-width:1100px){.se-wrap{grid-template-columns:360px 1fr}}

/* раздел «Файлы» */
table.files td{vertical-align:middle}
.fprev{width:84px;position:relative}
.fprev img,.fprev video{width:72px;height:48px;object-fit:cover;border-radius:6px;border:1px solid var(--line);background:var(--card2);display:block}
.fplay{position:absolute;left:34px;top:50%;transform:translate(-50%,-50%);color:#fff;font-size:14px;text-shadow:0 0 4px #000;pointer-events:none}
.fuse{margin:2px 0;font-size:13px}

/* цвет кнопок */
.node .nb.bc-red,.msg .kb button.bc-red{background:rgba(229,72,77,.38);border-color:#e5484d}
.node .nb.bc-green,.msg .kb button.bc-green{background:rgba(48,164,108,.22);border-color:#30a46c}
.node .nb.bc-blue,.msg .kb button.bc-blue{background:rgba(62,99,221,.25);border-color:#3e63dd}