:root {
  --bg: #f5f4f0; --card: #ffffff; --ink: #1b1a17; --ink2: #5d5a52; --ink3: #8b877c; --line: #e2dfd6; --soft: #efede7;
  --accent: #2a5bd7; --accent-ink: #ffffff; --accent-soft: #e4ebfb;
  --decision: #0f766e; --decision-soft: #d8f0ec;
  --task: #475569; --task-soft: #e7ebf0;
  --auto: #1f7a4d; --auto-soft: #e3f4ea;
  --human: #b45309; --human-soft: #fcefdc;
  --block: #b4231f; --block-soft: #fbe5e3;
  --klass: #6d28d9; --klass-soft: #ede5fb;
  --case: #c2410c; --run: #334155;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #131311; --card: #1c1b19; --ink: #efede7; --ink2: #aaa69b; --ink3: #7c786e; --line: #33312c; --soft: #262521;
    --accent: #7ea2ff; --accent-ink: #0d1220; --accent-soft: #1e2a47;
    --decision: #3fc4b3; --decision-soft: #10302c;
    --task: #9fb0c6; --task-soft: #232a33;
    --auto: #5fcf95; --auto-soft: #13271d;
    --human: #f0a35c; --human-soft: #2c2012;
    --block: #ff8f8a; --block-soft: #2e1614;
    --klass: #b69cff; --klass-soft: #2a2140;
    --case: #fb923c; --run: #cbd5e1;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #131311; --card: #1c1b19; --ink: #efede7; --ink2: #aaa69b; --ink3: #7c786e; --line: #33312c; --soft: #262521;
  --accent: #7ea2ff; --accent-ink: #0d1220; --accent-soft: #1e2a47;
  --decision: #3fc4b3; --decision-soft: #10302c; --task: #9fb0c6; --task-soft: #232a33;
  --auto: #5fcf95; --auto-soft: #13271d; --human: #f0a35c; --human-soft: #2c2012; --block: #ff8f8a; --block-soft: #2e1614;
  --klass: #b69cff; --klass-soft: #2a2140; --case: #fb923c; --run: #cbd5e1; color-scheme: dark;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body { background: var(--bg); color: var(--ink); font: 14.5px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
a { color: var(--accent); }
code { font-family: var(--mono); font-size: 0.92em; background: var(--soft); padding: 0 4px; border-radius: 4px; }
[hidden] { display: none !important; }

.top { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 16px 20px 8px; max-width: 1480px; margin: 0 auto; flex-wrap: wrap; }
.brand { display: flex; gap: 12px; align-items: center; }
.brand h1 { font-size: 20px; margin: 0; letter-spacing: -0.01em; }
.brand p { margin: 0; color: var(--ink2); font-size: 13px; }
.logo-bg { fill: var(--accent); }
.modelpill { display: inline-flex; align-items: center; gap: 8px; border: 1px solid var(--line); background: var(--card); border-radius: 999px; padding: 5px 12px; font-size: 13px; color: var(--ink2); }
.modelpill .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--ink3); }
.modelpill.replay .dot { background: var(--human); }
.modelpill.ready .dot { background: var(--auto); }
.modelpill.busy .dot { background: var(--accent); animation: pulse 1s infinite; }
@keyframes pulse { 50% { opacity: 0.3; } }

.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px; }
.modelcard { max-width: 1440px; margin: 8px auto 12px; width: calc(100% - 32px); }
.modelrow { display: flex; gap: 12px; align-items: flex-end; flex-wrap: wrap; }
.modelrow .field { flex: 1 1 220px; margin: 0; }
.progress { height: 6px; background: var(--soft); border-radius: 99px; overflow: hidden; margin-top: 10px; }
#progressBar { height: 100%; width: 0; background: var(--accent); transition: width 0.2s; }
.status { margin: 8px 0 0; font-size: 13px; color: var(--ink2); }
.status.warn { color: var(--block); }
.badges { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 6px; }
.badge { font-size: 12px; border: 1px solid var(--line); border-radius: 999px; padding: 1px 9px; color: var(--ink2); }
.badge.ok { border-color: var(--auto); color: var(--auto); }

.layout { display: grid; grid-template-columns: minmax(300px, 380px) minmax(0, 1fr); gap: 12px; max-width: 1440px; margin: 0 auto; padding: 0 16px; align-items: start; }
.side { display: flex; flex-direction: column; gap: 12px; min-width: 0; }
@media (max-width: 900px) { .layout { grid-template-columns: minmax(0, 1fr); } }

.field { margin-bottom: 12px; }
label { display: block; font-size: 12.5px; color: var(--ink2); margin-bottom: 4px; }
select, textarea, input[type="text"], input[type="url"] { width: 100%; background: var(--bg); color: var(--ink); border: 1px solid var(--line); border-radius: 8px; padding: 7px 9px; font: inherit; }
textarea { resize: vertical; }
input[type="range"] { width: 100%; accent-color: var(--accent); }
.hint { font-size: 12.5px; color: var(--ink2); margin: 4px 0 0; }
.check { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; color: var(--ink2); margin: 0; cursor: pointer; }
.check input { accent-color: var(--accent); margin: 0; }
select:focus-visible, textarea:focus-visible, input:focus-visible, button:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }

button, .filebtn { font: inherit; font-size: 13.5px; border: 1px solid var(--line); background: var(--card); color: var(--ink); border-radius: 8px; padding: 7px 13px; cursor: pointer; white-space: nowrap; }
button:hover:not(:disabled), .filebtn:hover { border-color: var(--ink3); }
button.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); font-weight: 600; }
button.primary:hover:not(:disabled) { filter: brightness(1.08); }
button.ghost, .filebtn.ghost { background: transparent; }
button:disabled { opacity: 0.5; cursor: not-allowed; }
.btnrow { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 10px; }
.btnrow.end { justify-content: flex-end; }

.examples { display: flex; flex-wrap: wrap; gap: 6px; margin: -4px 0 12px; }
.examples button { font-size: 12px; padding: 3px 10px; border-radius: 999px; background: var(--soft); border-color: transparent; max-width: 100%; overflow: hidden; text-overflow: ellipsis; }
.examples button.active { border-color: var(--accent); color: var(--accent); }

/* result */
.outcome { border-radius: 10px; padding: 12px 14px; border: 1px solid var(--line); margin-bottom: 10px; }
.outcome .k { font-size: 11.5px; letter-spacing: 0.06em; text-transform: uppercase; font-weight: 700; }
.outcome .t { font-size: 17px; font-weight: 700; margin: 2px 0; }
.outcome .d { font-size: 13px; color: var(--ink2); }
.outcome.auto { background: var(--auto-soft); border-color: var(--auto); } .outcome.auto .k { color: var(--auto); }
.outcome.human { background: var(--human-soft); border-color: var(--human); } .outcome.human .k { color: var(--human); }
.outcome.block { background: var(--block-soft); border-color: var(--block); } .outcome.block .k { color: var(--block); }
.trace { list-style: none; margin: 0; padding: 0; }
.trace li { position: relative; padding: 6px 0 8px 20px; border-left: 2px solid var(--line); margin-left: 6px; }
.trace li::before { content: ""; position: absolute; left: -6px; top: 10px; width: 10px; height: 10px; border-radius: 3px; background: var(--card); border: 2px solid var(--task); }
.trace li.decision::before { border-color: var(--decision); transform: rotate(45deg); }
.trace li.outcome::before { border-radius: 50%; }
.trace li.outcome.auto::before { border-color: var(--auto); background: var(--auto); }
.trace li.outcome.human::before { border-color: var(--human); background: var(--human); }
.trace li.outcome.block::before { border-color: var(--block); background: var(--block); }
.trace .h { font-weight: 600; font-size: 13.5px; }
.trace .s { font-size: 12.5px; color: var(--ink2); }
.trace .low { color: var(--human); font-weight: 600; }
.bars { margin-top: 4px; display: grid; gap: 2px; }
.bar { display: grid; grid-template-columns: minmax(0, 118px) 1fr 42px; gap: 6px; align-items: center; font-size: 12px; color: var(--ink2); }
.bar .n { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.bar .tr { height: 7px; background: var(--soft); border-radius: 99px; overflow: hidden; }
.bar .f { display: block; height: 100%; background: var(--ink3); border-radius: 99px; }
.bar.sel { color: var(--ink); font-weight: 600; }
.bar.sel .f { background: var(--decision); }
.bar .v { text-align: right; font-variant-numeric: tabular-nums; }
details summary { cursor: pointer; font-size: 13px; color: var(--accent); margin-top: 8px; }
pre { background: var(--bg); border: 1px solid var(--line); border-radius: 8px; padding: 8px; font-size: 11.5px; overflow: auto; max-height: 300px; }
.effects { margin: 6px 0 0; padding-left: 18px; font-size: 12.5px; }
.effects .ch { font-family: var(--mono); font-size: 11px; color: var(--ink2); background: var(--soft); border-radius: 4px; padding: 0 4px; margin-right: 4px; }

/* stage */
.stage { padding: 0; min-width: 0; display: flex; flex-direction: column; }
.tabs { display: flex; gap: 2px; border-bottom: 1px solid var(--line); padding: 6px 8px 0; overflow-x: auto; }
.tabs button { border: 0; border-bottom: 2px solid transparent; border-radius: 0; background: none; color: var(--ink2); padding: 8px 12px; }
.tabs button[aria-selected="true"] { color: var(--ink); border-bottom-color: var(--accent); font-weight: 600; }
.panel { padding: 10px 14px 14px; }
.toolbar { display: flex; justify-content: space-between; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 8px; }
.tools { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.tools select { width: auto; padding: 5px 8px; font-size: 13px; }
.tools button { padding: 5px 10px; font-size: 13px; }
.legend { display: flex; flex-wrap: wrap; gap: 4px 12px; font-size: 12px; color: var(--ink2); }
.legend span { display: inline-flex; align-items: center; gap: 5px; }
.lg { display: inline-block; width: 12px; height: 12px; border-radius: 3px; border: 2px solid; }
.lg.decision { border-color: var(--decision); background: var(--decision-soft); transform: rotate(45deg) scale(0.85); }
.lg.task { border-color: var(--task); background: var(--task-soft); }
.lg.auto { border-color: var(--auto); background: var(--auto-soft); border-radius: 50%; }
.lg.human { border-color: var(--human); background: var(--human-soft); border-radius: 50%; }
.lg.block { border-color: var(--block); background: var(--block-soft); border-radius: 50%; }
.lg.low { border: 0; border-top: 2px dashed var(--human); height: 0; width: 16px; border-radius: 0; }
.canvas { height: min(68vh, 680px); min-height: 380px; border: 1px solid var(--line); border-radius: 10px; background: var(--bg); position: relative; }
.caption { font-size: 12.5px; color: var(--ink2); margin: 6px 0 0; max-width: 80ch; }
.toolbar .caption { margin: 0; }
.split { display: grid; grid-template-columns: minmax(0, 1fr) 280px; gap: 10px; }
@media (max-width: 1100px) { .split { grid-template-columns: minmax(0, 1fr); } }
.inspector { border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; font-size: 12.5px; max-height: min(68vh, 680px); overflow: auto; min-width: 0; overflow-wrap: anywhere; }
.inspector h3 { font-size: 14px; margin: 0 0 2px; }
.inspector .types { color: var(--klass); font-family: var(--mono); font-size: 11.5px; }
.inspector table { width: 100%; border-collapse: collapse; margin-top: 6px; }
.inspector td { border-top: 1px solid var(--line); padding: 3px 4px; vertical-align: top; }
.inspector td:first-child { color: var(--ink2); font-family: var(--mono); font-size: 11px; white-space: nowrap; }
.inspector a { cursor: pointer; }
.empty { position: absolute; inset: 0; display: grid; place-items: center; color: var(--ink2); font-size: 13.5px; text-align: center; padding: 20px; pointer-events: none; }

/* analytics */
.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); gap: 8px; margin-bottom: 12px; }
.kpi { border: 1px solid var(--line); border-radius: 10px; padding: 8px 12px; }
.kpi .l { font-size: 12px; color: var(--ink2); }
.kpi .v { font-size: 22px; font-weight: 700; font-variant-numeric: tabular-nums; }
.kpi .v small { font-size: 12px; color: var(--ink2); font-weight: 500; }
.charts { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 440px), 1fr)); gap: 12px; }
.chart { margin: 0; border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; min-width: 0; }
.chart.wide { grid-column: 1 / -1; }
.chart figcaption { font-size: 13px; font-weight: 600; margin-bottom: 6px; }
.chart svg { width: 100%; height: auto; display: block; overflow: visible; }
.chart svg text { fill: var(--ink2); font-size: 11px; font-family: inherit; }
.chart .axis line, .chart .axis path { stroke: var(--line); }
.chart .legendrow { display: flex; gap: 12px; flex-wrap: wrap; font-size: 12px; color: var(--ink2); margin-top: 4px; }
.chart .legendrow i { display: inline-block; width: 10px; height: 10px; border-radius: 2px; margin-right: 4px; vertical-align: -1px; }
.tip { position: fixed; pointer-events: none; background: var(--ink); color: var(--bg); font-size: 12px; padding: 5px 8px; border-radius: 6px; z-index: 50; max-width: 320px; }

/* editor */
#editor { font-family: var(--mono); font-size: 12.5px; height: min(58vh, 560px); min-height: 300px; line-height: 1.45; tab-size: 2; }
.editormsg { font-size: 13px; margin-top: 6px; }
.editormsg.ok { color: var(--auto); }
.editormsg.err { color: var(--block); }
.editormsg ul { margin: 4px 0 0; padding-left: 18px; }
.webhook { margin-top: 12px; }

.foot { max-width: 1440px; margin: 16px auto 32px; padding: 0 16px; font-size: 12.5px; color: var(--ink2); }