:root {
  color-scheme: dark;
  --bg: #0a0c0f;
  --panel: #101318;
  --panel-2: #151920;
  --panel-3: #1b2029;
  --line: #1e232b;
  --line-2: #2a303a;
  --text: #e7e9ec;
  --text-2: #a6adb7;
  --muted: #6c7480;
  --accent: #4ade80;
  --accent-ink: #06210f;
  --gold: #d6a64b;
  --err: #f87171;
  --warn: #fbbf24;
  --info: #60a5fa;
  --ok: #4ade80;
  --sel: #7dd3fc;
  --s1: #3987e5; --s2: #d95926; --s3: #199e70; --s4: #c98500;
  --radius: 8px;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
}
* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body { background: var(--bg); color: var(--text); font: 13px/1.45 var(--sans); overflow: hidden; }
.mono { font-family: var(--mono); letter-spacing: .02em; }
.small { font-size: 11px; }
.muted { color: var(--muted); }
.err { color: var(--err); }
button { font: inherit; color: inherit; }
a { color: var(--info); }
code { font-family: var(--mono); font-size: 11.5px; background: var(--panel-3); padding: 1px 4px; border-radius: 4px; }
::-webkit-scrollbar { width: 9px; height: 9px; }
::-webkit-scrollbar-thumb { background: #262c35; border-radius: 9px; border: 2px solid transparent; background-clip: padding-box; }

/* ---------------- top bar ---------------- */
.topbar { height: 44px; display: flex; align-items: center; gap: 14px; padding: 0 12px; border-bottom: 1px solid var(--line); background: var(--panel); }
.brand { color: var(--accent); display: grid; place-items: center; width: 26px; height: 26px; border-radius: 6px; background: #0f2017; }
.crumbs { display: flex; align-items: center; gap: 8px; font-size: 11.5px; min-width: 0; white-space: nowrap; }
.crumbs .sep { color: var(--line-2); }
.crumb-dim { color: var(--muted); }
#crumb-board { color: var(--text); overflow: hidden; text-overflow: ellipsis; }
.topbar-center { flex: 1; text-align: center; color: var(--muted); font-size: 11px; white-space: nowrap; overflow: hidden; }
.topbar-right { display: flex; align-items: center; gap: 6px; }
.pill { font-size: 10px; padding: 2px 7px; border-radius: 99px; border: 1px solid var(--line-2); color: var(--text-2); text-transform: uppercase; }
.pill-latest { color: var(--accent); border-color: #1d4d2f; background: #0d1d14; }
.chip { display: inline-flex; align-items: center; gap: 6px; height: 26px; padding: 0 9px; border-radius: 6px; border: 1px solid var(--line-2); background: transparent; font-size: 10.5px; color: var(--text-2); cursor: pointer; white-space: nowrap; }
.chip:hover { background: var(--panel-2); color: var(--text); }
.chip .dot { width: 7px; height: 7px; border-radius: 50%; }
.chip svg { flex: none; }
.chip.ok { color: var(--ok); } .chip.warn { color: var(--warn); } .chip.bad { color: var(--err); }
.btn { height: 28px; padding: 0 12px; border-radius: 6px; border: 1px solid var(--line-2); background: var(--panel-2); cursor: pointer; font-size: 11px; font-weight: 500; }
.btn:hover { background: var(--panel-3); }
.btn:disabled { opacity: .45; cursor: default; }
.btn-go { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); font-weight: 600; }
.btn-go:hover { background: #6ee79c; }
.btn-primary { background: var(--text); color: #0b0d10; border-color: var(--text); }
.btn-primary:hover { background: #fff; }
.btn-ghost { background: transparent; }
.icon-btn { width: 26px; height: 26px; display: grid; place-items: center; border-radius: 6px; border: 0; background: transparent; color: var(--text-2); cursor: pointer; }
.icon-btn:hover { background: var(--panel-3); color: var(--text); }

/* ---------------- workspace ---------------- */
.workspace { height: calc(100% - 44px); display: grid; grid-template-columns: minmax(300px, 360px) 1fr 300px; }
.pane { min-width: 0; min-height: 0; display: flex; flex-direction: column; background: var(--panel); }
.pane-main { background: var(--bg); border-left: 1px solid var(--line); border-right: 1px solid var(--line); }
.pane-head { height: 38px; flex: none; display: flex; align-items: center; justify-content: space-between; gap: 8px; padding: 0 10px; border-bottom: 1px solid var(--line); }
.pane-title { font-weight: 600; font-size: 12.5px; }
.tab-strip { display: flex; align-items: center; gap: 8px; }
.head-actions { display: flex; align-items: center; gap: 4px; }
.tabs { display: flex; height: 100%; gap: 2px; overflow-x: auto; scrollbar-width: none; }
.tabs button { position: relative; border: 0; background: none; color: var(--muted); font-size: 10.5px; padding: 0 10px; cursor: pointer; white-space: nowrap; }
.tabs button:hover { color: var(--text-2); }
.tabs button.active { color: var(--text); }
.tabs button.active::after { content: ""; position: absolute; left: 8px; right: 8px; bottom: -1px; height: 2px; background: var(--text); border-radius: 2px; }

/* ---------------- chat ---------------- */
.feed { flex: 1; overflow-y: auto; padding: 12px 12px 4px; display: flex; flex-direction: column; gap: 10px; }
.msg-user { align-self: flex-end; max-width: 88%; background: var(--panel-3); border: 1px solid var(--line-2); padding: 8px 10px; border-radius: 10px 10px 2px 10px; white-space: pre-wrap; }
.msg-agent { color: var(--text); }
.msg-agent p { margin: 0 0 6px; }
.msg-agent ul { margin: 2px 0 6px 0; padding-left: 18px; }
.msg-agent li { margin: 2px 0; }
.msg-agent h1, .msg-agent h2, .msg-agent h3 { font-size: 12.5px; margin: 8px 0 4px; font-weight: 600; }
.msg-error { border: 1px solid #4a2222; background: #1d1111; color: #fca5a5; padding: 8px 10px; border-radius: 8px; font-size: 12px; }
.msg-sys { color: var(--muted); font-size: 11px; text-align: center; }
.tcall { border: 1px solid var(--line); background: var(--panel-2); border-radius: 7px; font-family: var(--mono); font-size: 11px; }
.tcall > summary { list-style: none; display: flex; align-items: center; gap: 7px; padding: 5px 8px; cursor: pointer; color: var(--text-2); }
.tcall > summary::-webkit-details-marker { display: none; }
.tcall > summary:hover { color: var(--text); }
.tcall .tname { color: var(--text); }
.tcall .targs { color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; flex: 1; min-width: 0; }
.tcall .tres { flex: none; }
.tcall .tres.ok { color: var(--ok); } .tcall .tres.bad { color: var(--err); } .tcall .tres.run { color: var(--warn); }
.tcall .who { font-size: 9.5px; color: var(--muted); border: 1px solid var(--line-2); border-radius: 4px; padding: 0 4px; }
.tcall pre { margin: 0; padding: 8px; border-top: 1px solid var(--line); max-height: 260px; overflow: auto; color: var(--text-2); white-space: pre-wrap; word-break: break-word; }
.tcall img { display: block; width: calc(100% - 16px); margin: 0 8px 8px; border-radius: 5px; border: 1px solid var(--line); cursor: zoom-in; }
.spin { width: 10px; height: 10px; border: 1.5px solid var(--line-2); border-top-color: var(--warn); border-radius: 50%; animation: spin .8s linear infinite; flex: none; }
@keyframes spin { to { transform: rotate(360deg); } }
.group { border: 1px dashed var(--line-2); border-radius: 7px; }
.group > summary { padding: 6px 9px; cursor: pointer; color: var(--muted); font-size: 11px; font-family: var(--mono); list-style: none; }
.group > summary::-webkit-details-marker { display: none; }
.group[open] > summary { border-bottom: 1px dashed var(--line-2); }
.group .glist { padding: 6px; display: flex; flex-direction: column; gap: 4px; max-height: 360px; overflow-y: auto; }
.quick { display: flex; flex-wrap: wrap; gap: 5px; padding: 6px 12px; border-top: 1px solid var(--line); }
.quick button { font-family: var(--mono); font-size: 10px; border: 1px solid var(--line-2); background: transparent; color: var(--text-2); border-radius: 99px; padding: 3px 9px; cursor: pointer; }
.quick button:hover { color: var(--text); background: var(--panel-2); }
.quick button:disabled { opacity: .4; cursor: default; }
.composer { padding: 8px 12px 12px; }
.composer textarea { width: 100%; resize: none; background: var(--panel-2); color: var(--text); border: 1px solid var(--line-2); border-radius: 8px; padding: 9px 10px; font: 13px/1.4 var(--sans); outline: none; }
.composer textarea:focus { border-color: #3a4250; }
.composer-row { display: flex; justify-content: space-between; align-items: center; margin-top: 6px; }
.composer-actions { display: flex; gap: 6px; }
.banner { border: 1px solid #3d3415; background: #17140a; color: #e9d8a6; border-radius: 8px; padding: 9px 10px; font-size: 12px; }
.banner b { color: #fde68a; }
.banner code { word-break: break-all; }

/* ---------------- views ---------------- */
.views { position: relative; flex: 1; min-height: 0; }
.view { position: absolute; inset: 0; overflow: auto; display: none; }
.view.active { display: block; }
.view-canvas { overflow: hidden; }
.viewer-overlay { position: absolute; left: 12px; bottom: 10px; font-size: 10.5px; color: var(--muted); pointer-events: none; }
.hover-tip { position: absolute; pointer-events: none; background: #0b0d10ee; border: 1px solid var(--line-2); border-radius: 6px; padding: 4px 7px; font-size: 10.5px; color: var(--text); z-index: 5; transform: translate(12px, 12px); white-space: nowrap; }
.toolbar { display: flex; align-items: center; gap: 4px; }
.seg { display: inline-flex; border: 1px solid var(--line-2); border-radius: 6px; overflow: hidden; }
.seg button { border: 0; background: transparent; color: var(--muted); font: 10px var(--mono); padding: 4px 8px; cursor: pointer; }
.seg button + button { border-left: 1px solid var(--line-2); }
.seg button.on { color: var(--text); background: var(--panel-3); }
.seg button:hover { color: var(--text); }

.doc { max-width: 1060px; margin: 0 auto; padding: 20px 24px 40px; }
.doc h2 { font-size: 11px; font-family: var(--mono); color: var(--muted); font-weight: 500; letter-spacing: .06em; text-transform: uppercase; margin: 26px 0 10px; }
.doc h2:first-child { margin-top: 0; }
.hero { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-bottom: 18px; }
.hero h1 { margin: 0; font-size: 22px; font-weight: 600; letter-spacing: -.01em; }
.hero p { margin: 4px 0 0; color: var(--text-2); max-width: 640px; }
.tiles { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 8px; }
.tile { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 10px 12px; }
.tile .k { font: 10px var(--mono); color: var(--muted); text-transform: uppercase; letter-spacing: .05em; }
.tile .v { font-size: 18px; font-weight: 600; margin-top: 3px; font-variant-numeric: tabular-nums; }
.tile .v small { font-size: 11px; color: var(--text-2); font-weight: 400; margin-left: 3px; }
.tile .s { font-size: 11px; color: var(--muted); margin-top: 1px; }
.cols { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 12px 14px; }
table.t { width: 100%; border-collapse: collapse; font-size: 12px; }
table.t th { text-align: left; font: 500 10px var(--mono); color: var(--muted); text-transform: uppercase; letter-spacing: .05em; padding: 6px 8px; border-bottom: 1px solid var(--line-2); }
table.t td { padding: 6px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
table.t td.num { text-align: right; font-family: var(--mono); font-variant-numeric: tabular-nums; }
table.t tr.clickable { cursor: pointer; }
table.t tr.clickable:hover td { background: var(--panel-2); }
.findings { display: flex; flex-direction: column; gap: 6px; }
.finding { display: grid; grid-template-columns: 74px 1fr; gap: 10px; align-items: start; padding: 8px 10px; border: 1px solid var(--line); border-radius: 7px; background: var(--panel); }
.sev { display: inline-flex; align-items: center; gap: 5px; font: 500 10px var(--mono); text-transform: uppercase; }
.sev.error { color: var(--err); } .sev.warning { color: var(--warn); } .sev.info { color: var(--info); } .sev.ok { color: var(--ok); }
.finding .chk { font: 10.5px var(--mono); color: var(--muted); }
.notes { margin: 0; padding-left: 18px; color: var(--text-2); }
.notes li { margin: 4px 0; }
.stack { display: flex; flex-direction: column; gap: 3px; margin-top: 6px; }
.layer { display: grid; grid-template-columns: 70px 1fr; align-items: center; gap: 10px; font: 10.5px var(--mono); color: var(--text-2); }
.layer .bar { border-radius: 2px; }
.md { color: var(--text-2); }
.md h1 { font-size: 16px; color: var(--text); } .md h2 { font-size: 11px; }
.md table { border-collapse: collapse; font-size: 12px; margin: 6px 0; }
.md td, .md th { border: 1px solid var(--line); padding: 4px 8px; }
.badge { display: inline-block; font: 500 9.5px var(--mono); padding: 1px 6px; border-radius: 4px; border: 1px solid; text-transform: uppercase; }
.badge.warn { color: var(--warn); border-color: #5a4512; }
.badge.ok { color: var(--ok); border-color: #1d4d2f; }
.badge.dim { color: var(--muted); border-color: var(--line-2); }

.src { display: flex; flex-direction: column; height: 100%; }
.src-bar { display: flex; align-items: center; gap: 8px; padding: 8px 12px; border-bottom: 1px solid var(--line); flex: none; }
.src-bar input { flex: 1; max-width: 280px; background: var(--panel-2); border: 1px solid var(--line-2); color: var(--text); border-radius: 6px; padding: 4px 8px; font: 11px var(--mono); outline: none; }
.code { flex: 1; overflow: auto; margin: 0; padding: 8px 0; font: 11.5px/1.55 var(--mono); counter-reset: ln; }
.code .ln { display: block; padding: 0 14px 0 0; white-space: pre; }
.code .ln::before { counter-increment: ln; content: counter(ln); display: inline-block; width: 52px; padding-right: 14px; text-align: right; color: #3b424d; user-select: none; }
.code .ln.hit { background: #1e2a1a; }
.tok-k { color: #7dd3fc; } .tok-s { color: #a7f3d0; } .tok-n { color: #fcd34d; } .tok-p { color: #4b5563; }

/* layout */
svg.pcb { width: 100%; height: 100%; display: block; cursor: grab; background:
  radial-gradient(circle, #1a1f27 1px, transparent 1.2px) 0 0 / 18px 18px, var(--bg); }
svg.pcb.dragging { cursor: grabbing; }
svg.pcb .comp-hit { fill: transparent; stroke: transparent; cursor: pointer; }
svg.pcb .comp-hit:hover { stroke: #ffffff55; stroke-dasharray: .6 .4; }
svg.pcb .comp-hit.sel { stroke: var(--sel); stroke-dasharray: none; fill: #7dd3fc14; }
.layer-panel { position: absolute; top: 10px; left: 10px; background: #0d1014e6; border: 1px solid var(--line-2); border-radius: 8px; padding: 6px 8px; font: 10.5px var(--mono); display: flex; flex-direction: column; gap: 3px; }
.layer-panel label { display: flex; align-items: center; gap: 7px; cursor: pointer; color: var(--text-2); }
.layer-panel .sw { width: 10px; height: 10px; border-radius: 2px; }
.coord { position: absolute; right: 12px; bottom: 10px; font: 10.5px var(--mono); color: var(--muted); pointer-events: none; }

/* pattern */
.pat-controls { display: flex; flex-wrap: wrap; align-items: center; gap: 14px; margin-bottom: 12px; }
.pat-controls label { display: flex; align-items: center; gap: 6px; font: 10.5px var(--mono); color: var(--muted); }
select, .pat-controls input[type=number] { background: var(--panel-2); color: var(--text); border: 1px solid var(--line-2); border-radius: 6px; padding: 3px 6px; font: 11px var(--mono); }
.steer-chip { display: inline-flex; align-items: center; gap: 6px; border: 1px solid var(--line-2); background: transparent; border-radius: 99px; padding: 3px 9px; font: 10.5px var(--mono); color: var(--muted); cursor: pointer; }
.steer-chip .sw { width: 14px; height: 2px; border-radius: 2px; }
.steer-chip.on { color: var(--text); border-color: #3a4250; background: var(--panel-2); }
.chart-card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 12px 12px 6px; position: relative; }
.chart-card svg text { font-family: var(--mono); }
.chart-tip { position: absolute; pointer-events: none; background: #0b0d10f2; border: 1px solid var(--line-2); border-radius: 6px; padding: 6px 8px; font: 10.5px var(--mono); z-index: 3; min-width: 130px; }
.chart-tip .row { display: flex; align-items: center; gap: 6px; justify-content: space-between; }
.chart-tip .sw { width: 10px; height: 2px; }

/* inspector */
.small-tabs button { font-size: 10px; padding: 0 8px; }
.info-body { flex: 1; overflow-y: auto; padding: 14px; }
.info-empty { color: var(--muted); text-align: center; margin-top: 36px; font-size: 12px; }
.kv { display: grid; grid-template-columns: 96px 1fr; gap: 5px 8px; font-size: 12px; }
.kv .k { color: var(--muted); font: 10.5px var(--mono); padding-top: 1px; text-transform: uppercase; }
.kv .v { font-family: var(--mono); font-size: 11.5px; word-break: break-word; }
.info-title { display: flex; align-items: baseline; gap: 8px; margin-bottom: 2px; }
.info-title b { font-size: 18px; }
.info-sub { color: var(--text-2); font-size: 12px; margin-bottom: 12px; }
.info-sec { font: 500 10px var(--mono); color: var(--muted); text-transform: uppercase; letter-spacing: .06em; margin: 16px 0 6px; }
.net-tag { display: inline-flex; gap: 5px; font: 10.5px var(--mono); border: 1px solid var(--line-2); padding: 1px 6px; border-radius: 4px; margin: 0 4px 4px 0; cursor: pointer; background: none; color: var(--text-2); }
.net-tag:hover, .net-tag.on { color: var(--sel); border-color: #2c5468; }
.actions { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 14px; }
.toggle-row { display: flex; justify-content: space-between; align-items: center; padding: 6px 0; border-bottom: 1px solid var(--line); font-size: 12px; }
.switch { position: relative; width: 28px; height: 16px; border-radius: 99px; background: var(--line-2); border: 0; cursor: pointer; }
.switch::after { content: ""; position: absolute; top: 2px; left: 2px; width: 12px; height: 12px; border-radius: 50%; background: var(--text-2); transition: transform .15s; }
.switch.on { background: #1f6f43; } .switch.on::after { transform: translateX(12px); background: #fff; }

/* dialog / toast */
.dialog { background: var(--panel); color: var(--text); border: 1px solid var(--line-2); border-radius: 10px; width: min(520px, calc(100vw - 32px)); padding: 14px 16px; }
.dialog::backdrop { background: #000a; }
.dialog-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; }
.field { display: flex; flex-direction: column; gap: 4px; margin: 8px 0; }
.field select, .field textarea { width: 100%; background: var(--panel-2); color: var(--text); border: 1px solid var(--line-2); border-radius: 6px; padding: 6px 8px; font: 12px var(--mono); }
.dialog-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 8px; }
.toast { position: fixed; bottom: 16px; left: 50%; transform: translateX(-50%); background: var(--panel-3); border: 1px solid var(--line-2); padding: 8px 14px; border-radius: 8px; font-size: 11.5px; z-index: 50; box-shadow: 0 8px 30px #0008; }
.lightbox { position: fixed; inset: 0; background: #000d; display: grid; place-items: center; z-index: 60; cursor: zoom-out; }
.lightbox img { max-width: 94vw; max-height: 92vh; border-radius: 6px; }

/* responsive */
@media (max-width: 1180px) {
  .workspace { grid-template-columns: 320px 1fr; }
  .pane-info { display: none; }
  .pane-info.drawer { display: flex; position: fixed; right: 0; top: 44px; bottom: 0; width: 300px; z-index: 20; border-left: 1px solid var(--line-2); box-shadow: -10px 0 30px #0009; }
}
@media (max-width: 760px) {
  body { overflow: auto; }
  .workspace { display: flex; flex-direction: column; height: auto; }
  .pane-main { order: 1; height: 72vh; border: 0; border-bottom: 1px solid var(--line); }
  .pane-chat { order: 2; height: 80vh; }
  .topbar { padding: 0 8px; gap: 8px; }
  .topbar-center, #chip-fab, #chip-rf, .crumbs, #view-actions { display: none; }
  .topbar-right { margin-left: auto; }
  .cols { grid-template-columns: 1fr; }
  .doc { padding: 16px; }
}

/* view-only share: hide every control that edits, runs tools or spends the API key */
body.read-only #composer, body.read-only #quick, body.read-only #btn-tools, body.read-only #btn-export { display: none !important; }