/* Editorial light theme: white paper, near-black ink, hairlines, small uppercase labels,
   a serif for prose. */
:root {
  --bg: #ffffff;
  --panel: #ffffff;
  --panel-2: #f6f6f3;
  --tint: #f2f6ef;
  --line: #ebebe8;
  --line-2: #d9d9d4;
  --text: #222222;
  --muted: #7d7d78;
  --faint: #ababa5;
  --accent: #222222;
  --leaf: #2f9d6c;
  --read: #2f6fdf;
  --write: #e06a1b;
  --race: #e0352f;
  --warn: #c98a00;
  --ok: #2f9d6c;
  --mono: 'IBM Plex Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  --sans: 'Inter Tight', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --serif: 'Newsreader', 'Times New Roman', Georgia, serif;
  --gut: 32px;
  --paper: #ffffff;
  --caret: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='8' height='5'%3E%3Cpath d='M0 0l4 5 4-5z' fill='%23222'/%3E%3C/svg%3E");
  --hover: #fafaf8;
  --sel: #e4eedd;
  --hi: #cfe6d6;
  --hi-ink: #0d3d28;
  --pend: #ececE8;
  --dead: #f7f7f5;
  --quad: rgba(0, 0, 0, 0.035);
  --line-soft: #f3f3f0;
  --shadow: rgba(0, 0, 0, 0.08);
  --ink-strong: #000000;
  --ink-2: #555555;
  --on-color: #ffffff;
  --atomic: #6b45c4;
  --atomic-bg: rgba(107, 69, 196, 0.09);
  --read-soft: rgba(47, 111, 223, 0.35);
  --write-soft: rgba(224, 106, 27, 0.35);
  --read-bg: rgba(47, 111, 223, 0.09);
  --write-bg: rgba(224, 106, 27, 0.09);
  --read-bg2: rgba(47, 111, 223, 0.18);
  --race-bg2: rgba(224, 53, 47, 0.18);
  --exec-bg: rgba(47, 157, 108, 0.14);
  --syn-kw: #a3216a; --syn-type: #1f62b8; --syn-num: #b45d00; --syn-com: #9a9a94;
  --syn-str: #2f7d3a; --syn-meta: #b6461a; --syn-def: #0f7a58; --syn-op: #555555;
  color-scheme: light;
}

/* ---------- dark theme: follows the OS unless the toggle forces one */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #121211;
    --panel: #121211;
    --panel-2: #1c1c1a;
    --tint: #18201b;
    --line: #262624;
    --line-2: #3b3b38;
    --text: #e8e8e2;
    --muted: #94948c;
    --faint: #62625c;
    --accent: #e8e8e2;
    --leaf: #4cc08a;
    --read: #6fa2f7;
    --write: #f08d4a;
    --race: #f2584f;
    --warn: #e3aa25;
    --ok: #4cc08a;
    --paper: #121211;
  --caret: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='8' height='5'%3E%3Cpath d='M0 0l4 5 4-5z' fill='%23e8e8e2'/%3E%3C/svg%3E");
    --hover: #191917;
    --sel: #2a3a2f;
    --hi: #1f4a35;
    --hi-ink: #c9f0da;
    --pend: #262624;
    --dead: #161615;
    --quad: rgba(255, 255, 255, 0.04);
    --line-soft: #1b1b19;
    --shadow: rgba(0, 0, 0, 0.5);
    --ink-strong: #ffffff;
    --ink-2: #b4b4ad;
    --on-color: #121211;
    --atomic: #a98cf0;
    --atomic-bg: rgba(169, 140, 240, 0.12);
    --read-soft: rgba(111, 162, 247, 0.4);
    --write-soft: rgba(240, 141, 74, 0.4);
    --read-bg: rgba(111, 162, 247, 0.12);
    --write-bg: rgba(240, 141, 74, 0.12);
    --read-bg2: rgba(111, 162, 247, 0.25);
    --race-bg2: rgba(242, 88, 79, 0.25);
    --exec-bg: rgba(76, 192, 138, 0.16);
    --syn-kw: #f07ab4; --syn-type: #7fb2f5; --syn-num: #f0b35e; --syn-com: #6c6c66;
    --syn-str: #93d39b; --syn-meta: #f0915e; --syn-def: #6fdcae; --syn-op: #a5a59e;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #121211;
  --panel: #121211;
  --panel-2: #1c1c1a;
  --tint: #18201b;
  --line: #262624;
  --line-2: #3b3b38;
  --text: #e8e8e2;
  --muted: #94948c;
  --faint: #62625c;
  --accent: #e8e8e2;
  --leaf: #4cc08a;
  --read: #6fa2f7;
  --write: #f08d4a;
  --race: #f2584f;
  --warn: #e3aa25;
  --ok: #4cc08a;
  --paper: #121211;
  --caret: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='8' height='5'%3E%3Cpath d='M0 0l4 5 4-5z' fill='%23e8e8e2'/%3E%3C/svg%3E");
  --hover: #191917;
  --sel: #2a3a2f;
  --hi: #1f4a35;
  --hi-ink: #c9f0da;
  --pend: #262624;
  --dead: #161615;
  --quad: rgba(255, 255, 255, 0.04);
  --line-soft: #1b1b19;
  --shadow: rgba(0, 0, 0, 0.5);
  --ink-strong: #ffffff;
  --ink-2: #b4b4ad;
  --on-color: #121211;
  --atomic: #a98cf0;
  --atomic-bg: rgba(169, 140, 240, 0.12);
  --read-soft: rgba(111, 162, 247, 0.4);
  --write-soft: rgba(240, 141, 74, 0.4);
  --read-bg: rgba(111, 162, 247, 0.12);
  --write-bg: rgba(240, 141, 74, 0.12);
  --read-bg2: rgba(111, 162, 247, 0.25);
  --race-bg2: rgba(242, 88, 79, 0.25);
  --exec-bg: rgba(76, 192, 138, 0.16);
  --syn-kw: #f07ab4; --syn-type: #7fb2f5; --syn-num: #f0b35e; --syn-com: #6c6c66;
  --syn-str: #93d39b; --syn-meta: #f0915e; --syn-def: #6fdcae; --syn-op: #a5a59e;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body { background: var(--bg); color: var(--text); font: 14px/1.5 var(--sans); overflow: hidden; -webkit-font-smoothing: antialiased; }
code { font-family: var(--mono); font-size: 0.9em; color: var(--text); background: var(--panel-2); padding: 0 4px; }
h2 { font-size: 11px; font-weight: 500; letter-spacing: 0.02em; text-transform: uppercase; margin: 0; color: var(--text); }
h3 { font-size: 11px; font-weight: 500; letter-spacing: 0.02em; text-transform: uppercase; color: var(--muted); margin: 28px 0 8px; }
[hidden] { display: none !important; }
::selection { background: var(--sel); }

/* ---------- top bar: tiny uppercase nav, like an index site */
.topbar {
  height: 64px; display: flex; align-items: center; justify-content: space-between; gap: 24px;
  padding: 0 var(--gut); background: var(--bg); border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 22px; min-width: 0; }
.name { font: 500 11px var(--sans); text-transform: uppercase; letter-spacing: 0.02em; white-space: nowrap; }
.tag { color: var(--muted); font: 400 15px var(--serif); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.controls { display: flex; align-items: center; gap: 20px; }

.field { display: inline-flex; align-items: center; gap: 8px; color: var(--muted); font-size: 10.5px; text-transform: uppercase; letter-spacing: 0.02em; font-weight: 500; }
.field span:first-child { white-space: nowrap; }
select, input[type=number], input[type=text] {
  background: transparent; color: var(--text); border: 0; border-bottom: 1px solid var(--line-2); border-radius: 0;
  font: 13px var(--sans); padding: 4px 2px; outline: none; text-transform: none; letter-spacing: 0;
}
select { padding-right: 18px; appearance: none; -webkit-appearance: none; cursor: pointer;
  background: var(--caret) no-repeat right 4px center; }
input[type=number], input[type=text] { font-family: var(--mono); font-size: 12px; }
select:focus, input:focus { border-bottom-color: var(--text); }
.field.sm select, .field.sm input { font-size: 12px; padding: 2px 2px; }
.field.sm select { padding-right: 16px; }
.xyz { display: inline-flex; gap: 6px; }
.xyz input { width: 46px; }
.toggle { display: inline-flex; align-items: center; gap: 6px; color: var(--muted); font-size: 10.5px; font-weight: 500; text-transform: uppercase; letter-spacing: 0.02em; cursor: pointer; user-select: none; }
.toggle input { accent-color: var(--text); margin: 0; }

.btn {
  background: transparent; color: var(--text); border: 1px solid var(--text); border-radius: 0;
  font: 500 10.5px var(--sans); text-transform: uppercase; letter-spacing: 0.04em; padding: 7px 14px; cursor: pointer;
}
.btn:hover { background: var(--text); color: var(--bg); }
.btn.primary { background: var(--text); color: var(--bg); }
.btn.primary:hover { background: var(--ink-strong); }

/* ---------- layout */
.layout { display: grid; grid-template-columns: var(--left, minmax(380px, 40%)) minmax(0, 1fr); height: calc(100vh - 64px); }
.left { display: flex; flex-direction: column; border-right: 1px solid var(--line); min-width: 0; min-height: 0; position: relative; }
.right { overflow-y: auto; padding: 28px var(--gut) 64px; display: flex; flex-direction: column; gap: 40px; min-width: 0; }
.right > * { flex-shrink: 0; }

.editor-head { display: flex; align-items: baseline; gap: 14px; padding: 12px 18px; border-bottom: 1px solid var(--line); }
.editor-head .file { font: 500 11px var(--sans); text-transform: uppercase; letter-spacing: 0.02em; }
.editor-head .hint { font-size: 12px; color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.editor-head .hint code { background: none; padding: 0; color: var(--muted); }
.editor-wrap { flex: 1; min-height: 0; position: relative; }
.editor-wrap textarea { width: 100%; height: 100%; resize: none; background: var(--bg); color: var(--text); border: 0; padding: 12px; font: 13px/1.6 var(--mono); outline: none; }

.diag { max-height: 32%; overflow-y: auto; border-top: 1px solid var(--line); font-size: 12.5px; }
.diag .item { display: flex; gap: 12px; padding: 8px 18px; border-bottom: 1px solid var(--line); cursor: default; }
.diag .item[data-line] { cursor: pointer; }
.diag .item:hover { background: var(--panel-2); }
.diag .sev { font: 500 10px var(--sans); text-transform: uppercase; letter-spacing: 0.03em; width: 46px; flex: none; padding-top: 2px; }
.diag .ln { font-family: var(--mono); font-size: 11px; color: var(--faint); width: 40px; flex: none; padding-top: 1px; }
.diag .err .sev { color: var(--race); }
.diag .warn .sev { color: var(--warn); }
.diag .info .sev { color: var(--leaf); }

/* ---------- CodeMirror: paper */
.CodeMirror { height: 100%; background: var(--bg); color: var(--text); font: 13px/1.65 var(--mono); }
.CodeMirror-gutters { background: var(--bg); border-right: 1px solid var(--line); }
.CodeMirror-linenumber { color: var(--faint); }
.CodeMirror-cursor { border-left: 2px solid var(--text); }
.CodeMirror-selected, .CodeMirror-focused .CodeMirror-selected { background: var(--sel) !important; }
.CodeMirror-activeline-background { background: var(--hover); }
.CodeMirror .cm-keyword { color: var(--syn-kw); }
.CodeMirror .cm-type, .CodeMirror .cm-variable-3 { color: var(--syn-type); }
.CodeMirror .cm-builtin { color: var(--atomic); }
.CodeMirror .cm-atom { color: var(--atomic); }
.CodeMirror .cm-number { color: var(--syn-num); }
.CodeMirror .cm-comment { color: var(--syn-com); font-style: italic; }
.CodeMirror .cm-string { color: var(--syn-str); }
.CodeMirror .cm-meta { color: var(--syn-meta); }
.CodeMirror .cm-variable { color: var(--text); }
.CodeMirror .cm-def { color: var(--syn-def); }
.CodeMirror .cm-operator { color: var(--syn-op); }
.CodeMirror .cm-directive { color: var(--leaf); }
.gv-gutter { width: 54px; }
.gv-mark { font: 600 10px/1.65 var(--mono); display: flex; gap: 3px; padding-left: 4px; cursor: help; white-space: nowrap; }
.gv-mark .r { color: var(--read); }
.gv-mark .w { color: var(--write); }
.gv-mark .a { color: var(--atomic); }
.gv-mark .b { color: var(--muted); }
.gv-mark .bd { color: var(--warn); }
.gv-mark .x { color: var(--race); }
.gv-mark .bad { color: var(--race); }
.line-error { background: rgba(224, 53, 47, 0.08); }
.line-warn { background: rgba(201, 138, 0, 0.07); }
.line-hot { background: rgba(47, 111, 223, 0.07); }

/* ---------- sections: no boxes, a hairline and a small caps heading */
.note { font: 400 22px/1.3 var(--serif); color: var(--text); max-width: 760px; letter-spacing: -0.005em; }
.card { background: transparent; border: 0; border-top: 1px solid var(--text); border-radius: 0; padding: 12px 0 0; min-width: 0; }
.card-head { display: flex; align-items: center; justify-content: space-between; gap: 14px; flex-wrap: wrap; margin-bottom: 16px; }
.card-tools { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; }
.sub { color: var(--muted); font-size: 12px; }
.card-head .sub { font: 400 14px var(--serif); }
.fine { color: var(--muted); font: 400 13px/1.45 var(--serif); margin: 12px 0 0; }

.stats { display: flex; flex-wrap: wrap; gap: 0; margin-bottom: 20px; border-bottom: 1px solid var(--line); }
.stat { padding: 0 22px 12px 0; margin-right: 22px; border-right: 1px solid var(--line); min-width: 0; }
.stat:last-child { border-right: 0; }
.stat b { display: block; font: 400 22px/1.2 var(--sans); letter-spacing: -0.01em; color: var(--text); }
.stat span { font-size: 10px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.03em; font-weight: 500; }
.stat.bad b { color: var(--race); }
.stat.meh b { color: var(--warn); }
.stat.good b { color: var(--ok); }

.dispatch-body { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 28px; align-items: start; }
.grid-wrap { min-width: 0; }
canvas { display: block; image-rendering: pixelated; cursor: crosshair; max-width: 100%; }
.legend { display: flex; flex-wrap: wrap; gap: 4px 14px; margin-top: 10px; font-size: 11px; color: var(--muted); }
.legend i { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 5px; vertical-align: 0; }
.legend .ramp { width: 120px; height: 6px; display: inline-block; vertical-align: middle; margin: 0 6px; }

.qpu-title { font-size: 10.5px; color: var(--muted); margin-bottom: 10px; text-transform: uppercase; letter-spacing: 0.02em; font-weight: 500; }
.qpus { display: flex; flex-direction: column; gap: 14px; }
.slice { border-top: 1px solid var(--line); padding-top: 6px; }
.slice-name { font: 500 10px var(--sans); color: var(--muted); margin: 0 0 6px; text-transform: uppercase; letter-spacing: 0.03em; }
.slice-qpus { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 6px; }
.qpu { background: var(--tint); border: 1px solid transparent; padding: 6px; cursor: pointer; }
.qpu:hover, .qpu.on { border-color: var(--text); }
.qpu .qn { font: 500 10.5px var(--sans); display: flex; align-items: center; gap: 5px; white-space: nowrap; }
.qpu .qn i { width: 7px; height: 7px; border-radius: 50%; display: inline-block; }
.qpu .bar { height: 2px; background: var(--line-2); margin: 6px 0 4px; overflow: hidden; }
.qpu .bar b { display: block; height: 100%; background: var(--text); }
.qpu .qs { font: 9.5px var(--mono); color: var(--muted); white-space: nowrap; }
.lanes { display: grid; grid-template-columns: repeat(16, 1fr); gap: 1px; margin-top: 5px; }
.lanes i { height: 4px; background: var(--leaf); }
.lanes i.off { background: var(--line-2); }

.uniforms { display: flex; flex-wrap: wrap; gap: 14px 28px; }
.uniforms .field input { width: 90px; }
.uniforms .ty { color: var(--faint); font-family: var(--mono); font-size: 11px; text-transform: none; }
.uniforms .empty { color: var(--muted); font: 15px var(--serif); }

.timeline input[type=range] { width: 100%; accent-color: var(--text); }

/* ---------- buffer sections */
.buffers { display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); gap: 40px 32px; }
.buf .card-head { margin-bottom: 8px; }
.buf h2 { text-transform: none; letter-spacing: -0.01em; font: 400 22px var(--sans); display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; }
.badge { font: 500 9.5px var(--sans); text-transform: uppercase; letter-spacing: 0.03em; padding: 2px 7px; border-radius: 99px; border: 1px solid var(--line-2); color: var(--muted); align-self: center; }
.badge.ro { color: var(--read); border-color: var(--read-soft); }
.badge.wo { color: var(--write); border-color: var(--write-soft); }
.badge.sh { color: var(--atomic); border-color: var(--atomic); }
.badge.chg { color: var(--on-color); background: var(--leaf); border-color: var(--leaf); }
.badge.race { color: var(--on-color); background: var(--race); border-color: var(--race); }
.badge.oob { color: var(--on-color); background: var(--warn); border-color: var(--warn); }
.buf-meta { font: 11px var(--mono); color: var(--muted); margin-bottom: 10px; }
.buf-controls { display: flex; flex-wrap: wrap; gap: 10px 18px; margin-bottom: 14px; }
.buf-controls .field input[data-k=size] { width: 70px; }
.buf-controls .field input[data-k=cols] { width: 54px; }
.buf-controls .field.init { flex: 1 1 180px; }
.buf-controls .field.init input { width: 100%; min-width: 120px; }
.buf .canvas-wrap { overflow: auto; max-height: 560px; }

/* ---------- analysis: an index-style table */
.findings { display: flex; flex-direction: column; border-top: 1px solid var(--line); }
.finding { display: flex; gap: 16px; padding: 12px 0; border-bottom: 1px solid var(--line); font: 400 16px/1.4 var(--serif); }
.finding::before { content: ''; flex: none; width: 7px; height: 7px; border-radius: 50%; margin-top: 8px; background: var(--faint); }
.finding.bad::before { background: var(--race); }
.finding.meh::before { background: var(--warn); }
.finding.good::before { background: var(--ok); }
.finding .fl { font: 11px var(--mono); color: var(--faint); flex: none; padding-top: 4px; min-width: 34px; cursor: pointer; }
.finding code { font-size: 12.5px; }
.table-wrap { overflow-x: auto; }
.tbl { width: 100%; border-collapse: collapse; font-size: 13px; }
.tbl th { text-align: left; color: var(--muted); font: 500 10px var(--sans); text-transform: uppercase; letter-spacing: 0.03em; padding: 8px 10px 10px 0; border-bottom: 1px solid var(--line); white-space: nowrap; }
.tbl td { padding: 14px 10px 14px 0; border-bottom: 1px solid var(--line); vertical-align: middle; color: var(--ink-2); }
.tbl tr:hover td { background: var(--hover); }
.tbl td.mono { font-family: var(--mono); font-size: 11.5px; color: var(--text); }
.tbl td.num { font-family: var(--mono); text-align: right; white-space: nowrap; }
.tbl .k { font: 500 9.5px var(--sans); text-transform: uppercase; padding: 2px 6px; border-radius: 99px; }
.tbl .k.R { color: var(--read); background: var(--read-bg); }
.tbl .k.W { color: var(--write); background: var(--write-bg); }
.tbl .k.A { color: var(--atomic); background: var(--atomic-bg); }
.pbar { display: flex; height: 4px; width: 120px; overflow: hidden; background: var(--line); }
.pbar i { display: block; height: 100%; }
.pdesc { font-size: 11px; color: var(--muted); margin-top: 4px; white-space: nowrap; }
.empty-row { color: var(--muted); font: 15px var(--serif); padding: 10px 0; }

/* ---------- tooltip */
.tip {
  position: fixed; z-index: 50; pointer-events: none; max-width: 380px;
  background: var(--paper); border: 1px solid var(--text); padding: 10px 12px;
  font-size: 12px; box-shadow: 0 8px 24px var(--shadow);
}
.tip .t1 { font: 500 13px var(--sans); margin-bottom: 4px; }
.tip .row { color: var(--muted); font-family: var(--mono); font-size: 11.5px; }
.tip .row b { color: var(--text); font-weight: 500; }
.tip .r { color: var(--read); }
.tip .w { color: var(--write); }
.tip .bad { color: var(--race); }
.tip hr { border: 0; border-top: 1px solid var(--line); margin: 6px 0; }

.stale { opacity: 0.45; transition: opacity 0.2s; }

/* ---------- tabs: big text links with superscript, underline on the active one */
.seg { display: inline-flex; gap: 0; border: 1px solid var(--text); }
.seg button { background: transparent; color: var(--text); border: 0; font: 500 10.5px var(--sans); text-transform: uppercase; letter-spacing: 0.04em; padding: 6px 12px; cursor: pointer; }
.seg button + button { border-left: 1px solid var(--text); }
.seg button.on { background: var(--text); color: var(--bg); }
.seg.tabs { border: 0; gap: 18px; margin-left: 4px; }
.seg.tabs button { font: 400 17px var(--sans); text-transform: none; letter-spacing: -0.01em; color: var(--faint); padding: 4px 0 6px; border: 0; border-bottom: 1px solid transparent; }
.seg.tabs button:hover { color: var(--text); }
.seg.tabs button.on { background: none; color: var(--text); border-bottom-color: var(--text); }
.seg.tabs sup { font-size: 9px; margin-left: 2px; color: var(--faint); vertical-align: 7px; }
kbd { font: 10.5px var(--mono); border: 1px solid var(--line-2); padding: 0 4px; background: var(--panel-2); }

/* ---------- machine view */
.machine { gap: 32px; }
.m-row { display: flex; align-items: center; gap: 22px; flex-wrap: wrap; }
.m-ctrl { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }
.m-ctrl .btn { padding: 6px 10px; }
.m-ctrl select { margin-left: 4px; }
.m-stats { margin: 22px 0 0; }
.m-bar { border-top: 0; padding-top: 0; }
.m-explain { background: var(--tint); padding: 16px 20px; font: 400 18px/1.45 var(--serif); min-height: 60px; }
.m-explain code { background: var(--paper); padding: 1px 5px; font-size: 13px; }
.m-explain .bad { color: var(--race); }
.m-explain .sub { margin-top: 6px; font: 400 14px var(--serif); }
.m-err { color: var(--warn); }

.hier { display: flex; align-items: stretch; gap: 10px; overflow-x: auto; padding-bottom: 4px; }
.h-box { background: var(--tint); padding: 10px; min-width: 120px; }
.h-dram { flex: 1.3; min-width: 170px; }
.h-l2 { flex: 1; min-width: 150px; }
.h-tmu { flex: 1; min-width: 150px; }
.h-qpus { flex: 1; min-width: 150px; }
.h-arrow { align-self: center; color: var(--faint); font-size: 16px; }
.h-title { font: 500 10.5px var(--sans); text-transform: uppercase; letter-spacing: 0.03em; margin-bottom: 8px; }
.h-title .sub { text-transform: none; letter-spacing: 0; font: 400 12.5px var(--serif); }
.h-bufs { display: flex; flex-wrap: wrap; gap: 10px; }
.h-bname { font: 10.5px var(--mono); color: var(--muted); margin-bottom: 3px; }
.h-lines { display: flex; flex-wrap: wrap; gap: 3px; margin-top: 6px; }
.h-line { font: 10px var(--mono); background: var(--paper); color: var(--read); border: 1px solid var(--read-soft); padding: 0 4px; }
.h-tq { margin-bottom: 8px; }
.h-req { position: relative; font: 10px var(--mono); background: var(--paper); padding: 2px 4px; margin-top: 2px; overflow: hidden; }
.h-req span { position: relative; z-index: 1; }
.h-req i { position: absolute; left: 0; top: 0; bottom: 0; background: var(--read-bg2); }
.h-req.miss i { background: var(--race-bg2); }
.h-tq .idle { font-size: 10.5px; }
.h-qgrid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 4px; }
.h-q { background: var(--paper); border: 1px solid transparent; padding: 3px; cursor: pointer; text-align: center; }
.h-q.on { border-color: var(--text); }
.h-q b { display: block; font: 500 10px var(--sans); border-bottom: 2px solid; padding-bottom: 2px; }
.h-dots { display: flex; gap: 2px; justify-content: center; margin-top: 3px; }
.h-dots i { width: 6px; height: 6px; border-radius: 50%; display: inline-block; }

.m-overview { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 28px 24px; }
.ov-q { cursor: pointer; padding: 10px 0 0; }
.ov-q:hover { border-top-color: var(--leaf); }
.ov-head { display: flex; align-items: baseline; gap: 8px; font-size: 17px; letter-spacing: -0.01em; }
.ov-head b { font-weight: 400; }
.ov-state { margin-left: auto; width: 8px; height: 8px; border-radius: 50%; align-self: center; }
.ov-threads { display: flex; flex-wrap: wrap; gap: 4px; margin: 8px 0; }
.tchip { font: 10.5px var(--mono); border: 1px solid var(--line-2); border-left-width: 3px; padding: 1px 6px; background: var(--paper); color: var(--text); }
button.tchip { cursor: pointer; }
.tchip.sel { background: var(--tint); border-color: var(--text); }
.tchip.empty { color: var(--faint); }
.ov-asm { font-size: 11.5px; min-height: 18px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ov-lanes { display: grid; grid-template-columns: repeat(16, 1fr); gap: 1px; margin-top: 8px; }
.ov-lanes i { height: 18px; font: 8px/18px var(--mono); text-align: center; font-style: normal; overflow: hidden; color: var(--muted); }
.ov-lanes i.on { background: var(--hi); color: var(--hi-ink); }
.ov-lanes i.off { background: var(--pend); }
.ov-lanes i.dead { background: var(--dead); color: var(--faint); }
.ov-lanes i.quad { outline: 1.5px solid var(--text); outline-offset: -1.5px; }
.ov-lanes i.qend { margin-right: 3px; }
.ov-foot { display: flex; justify-content: space-between; font: 10.5px var(--mono); color: var(--muted); margin-top: 8px; }

.m-detail { display: grid; grid-template-columns: 1fr; gap: 32px; align-items: start; }
body.machine-mode .layout { grid-template-columns: var(--left-m, minmax(340px, 32%)) minmax(0, 1fr); }
@media (min-width: 1900px) { .m-detail { grid-template-columns: minmax(0, 1fr) 360px; } .m-prog { position: sticky; top: 0; } .prog { max-height: 560px; } }
.m-q h2 { display: flex; align-items: center; gap: 12px; }
.m-q h2 .btn { padding: 3px 9px; }
.threads-row { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 14px; }
.alu { background: var(--tint); padding: 12px 14px; margin-bottom: 16px; min-height: 40px; }
.alu-head { display: flex; justify-content: space-between; gap: 10px; flex-wrap: wrap; margin-bottom: 8px; }
.alu-lanes { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; }
.alu-lane { background: var(--paper); border: 1px solid var(--leaf); padding: 6px 8px; font: 11.5px var(--mono); display: flex; flex-direction: column; gap: 2px; }
.alu-lane.off { border-color: var(--line-2); color: var(--faint); }
.regs-wrap { overflow-x: auto; }
table.regs { border-collapse: collapse; font: 10.5px var(--mono); width: 100%; min-width: 720px; table-layout: fixed; }
table.regs col.rlc { width: 128px; }
table.regs th { color: var(--faint); font-weight: 400; padding: 4px 0; text-align: center; border-bottom: 1px solid var(--text); }
table.regs td { text-align: center; padding: 5px 1px; border-bottom: 1px solid var(--line); white-space: nowrap; overflow: hidden; text-overflow: clip; }
table.regs .q { background: var(--quad); }
table.regs th.q { color: var(--text); }
table.regs .qe { border-right: 1px solid var(--line-2); }
table.regs td.rl { text-align: left; white-space: nowrap; padding-right: 6px; color: var(--muted); overflow: hidden; text-overflow: ellipsis; }
table.regs td.rl b { color: var(--text); font-weight: 500; }
table.regs td.rl i { color: var(--faint); font-style: normal; font-size: 9.5px; }
table.regs tr.dst td.rl b { color: var(--leaf); }
table.regs tr.src td.rl b { color: var(--read); }
table.regs tr.src td:not(.rl) { color: var(--read); }
table.regs td.chg { background: var(--hi); color: var(--hi-ink); }
table.regs td.pend { background: var(--pend); color: var(--faint); }
table.regs td.dead { color: var(--line-2); }
table.regs tr.meta td { color: var(--muted); }
table.regs td.mon { color: var(--leaf); }
table.regs td.moff { color: var(--faint); }
table.regs tr.fifo td.rl b { color: var(--read); }
.prog { max-height: 280px; overflow-y: auto; font: 11px/1.75 var(--mono); }
.pl { display: grid; grid-template-columns: 26px auto 1fr 30px; gap: 8px; padding: 0 4px; cursor: pointer; white-space: nowrap; border-bottom: 1px solid var(--line-soft); }
.pl:hover { background: var(--hover); }
.pl .pn { color: var(--faint); text-align: right; }
.pl .pc { color: var(--faint); overflow: hidden; text-overflow: ellipsis; font-family: var(--serif); font-style: italic; font-size: 12px; }
.pl .ps { color: var(--faint); text-align: right; }
.pl.cur { background: var(--hi); }
.pl.cur .pa { color: var(--hi-ink); }
.pl.next { box-shadow: inset 2px 0 0 var(--text); }
.line-exec { background: var(--exec-bg); }
#mGantt { cursor: pointer; }

@media (max-width: 1100px) {
  .dispatch-body { grid-template-columns: 1fr; }
}
@media (max-width: 860px) {
  :root { --gut: 16px; }
  body { overflow: auto; }
  .layout { grid-template-columns: 1fr; height: auto; }
  body.machine-mode .layout { grid-template-columns: 1fr; }
  .left { height: 70vh; border-right: 0; border-bottom: 1px solid var(--line); }
  .split-x { display: none; }
  .right { overflow: visible; padding: 20px var(--gut) 48px; }
  .tag { display: none; }
  .topbar { height: auto; flex-wrap: wrap; padding: 12px var(--gut); }
  .controls { flex-wrap: wrap; gap: 12px 16px; }
  .buffers { grid-template-columns: 1fr; }
}

/* ---------- theme switch */
.theme { display: inline-flex; gap: 10px; font: 500 10.5px var(--sans); text-transform: uppercase; letter-spacing: 0.03em; }
.theme button { background: none; border: 0; padding: 0; color: var(--faint); font: inherit; letter-spacing: inherit; text-transform: inherit; cursor: pointer; display: inline-flex; align-items: center; gap: 5px; }
.theme button:hover { color: var(--text); }
.theme button.on { color: var(--text); }
.theme button.on::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: var(--leaf); }
select option { background: var(--bg); color: var(--text); }

/* ---------- drag handles */
.split-x { position: absolute; top: 0; bottom: 0; right: -5px; width: 9px; cursor: col-resize; z-index: 20; touch-action: none; outline: none; }
.split-y { position: relative; height: 0; flex: none; z-index: 20; outline: none; }
.split-y::after { content: ''; position: absolute; left: 0; right: 0; top: -5px; height: 9px; cursor: row-resize; touch-action: none; }
.split-x::before, .split-y::before { content: ''; position: absolute; background: var(--text); opacity: 0; transition: opacity 0.12s; }
.split-x::before { top: 0; bottom: 0; left: 4px; width: 1px; }
.split-y::before { left: 0; right: 0; top: -1px; height: 1px; }
.split-x:hover::before, .split-y:hover::before, .split-x:focus-visible::before, .split-y:focus-visible::before,
.split-x.active::before, .split-y.active::before { opacity: 1; }
.split-x.active::before, .split-y.active::before { background: var(--leaf); width: auto; }
.split-x.active::before { width: 1px; }
body.dragging-x, body.dragging-x * { cursor: col-resize !important; user-select: none !important; }
body.dragging-y, body.dragging-y * { cursor: row-resize !important; user-select: none !important; }
body.dragging-x iframe, body.dragging-x canvas, body.dragging-y canvas { pointer-events: none; }

/* ---------- py-videocore mode */
body.lang-py #right, body.lang-py #machine { display: none !important; }
body:not(.lang-py) #vc4, body:not(.lang-py) #vstory { display: none !important; }
body.lang-py.machine-mode #vc4[hidden] { display: flex !important; }
body.lang-py:not(.machine-mode) #vc4 { display: none !important; }
body.lang-py:not(.machine-mode) #vstory[hidden] { display: flex !important; }
body.lang-py.machine-mode #vstory { display: none !important; }
body.lang-py .target-field { display: none; }
body.lang-py .layout { grid-template-columns: var(--left-p, minmax(340px, 36%)) minmax(0, 1fr); }
.lang-pill { font: 500 10.5px var(--sans); text-transform: uppercase; letter-spacing: 0.03em; color: var(--leaf); display: inline-flex; align-items: center; gap: 6px; white-space: nowrap; }
.lang-pill::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: var(--leaf); }
.h-vpm { flex: 1.6; min-width: 220px; }
.h-req.st i { background: var(--write-bg); }
.h-req.done { opacity: 0.55; }
.h-req.queued { opacity: 0.8; }
.ustream { display: flex; flex-wrap: wrap; gap: 4px; margin-bottom: 14px; }
.uchip { font: 10.5px var(--mono); border: 1px solid var(--line-2); padding: 1px 6px; background: var(--paper); display: inline-flex; gap: 6px; align-items: baseline; }
.uchip i { font-style: normal; color: var(--faint); }
.uchip b { font-weight: 500; }
.uchip.used { opacity: 0.45; }
.uchip.next { border-color: var(--text); border-style: dashed; }
.uchip.now { background: var(--hi); border-color: var(--leaf); color: var(--hi-ink); opacity: 1; }
.pipes { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.pipe-h { display: flex; gap: 8px; align-items: baseline; margin-bottom: 6px; font-size: 11px; text-transform: uppercase; letter-spacing: 0.03em; }
.pipe-h code { text-transform: none; letter-spacing: 0; }
.pipe .alu-lanes { grid-template-columns: repeat(2, 1fr); }
.pipe.off { opacity: 0.5; }
.pl-label { font: 500 11px var(--mono); color: var(--leaf); padding: 4px 4px 0; }
.line-exec-outer { background: rgba(47, 157, 108, 0.07); }
.gv-mark .n { color: var(--faint); font-weight: 400; }
#vc4 .m-explain .sub code { font-size: 11.5px; }
@media (max-width: 1300px) { .pipes { grid-template-columns: 1fr; } }

/* ---------- py-videocore overview (story) */
.s-host { font: 400 19px/1.45 var(--serif); max-width: 980px; }
.s-host code { font-size: 14px; }
.okmark { color: var(--ok); font-weight: 600; }
.s-launches { display: flex; flex-wrap: wrap; align-items: center; gap: 4px; margin: 16px 0 18px; }
.s-launches .sub { margin-right: 8px; font: 500 10.5px var(--sans); text-transform: uppercase; letter-spacing: 0.03em; }
.lchip { font: 12px var(--mono); min-width: 30px; padding: 4px 6px; border: 1px solid var(--line-2); background: var(--paper); color: var(--text); cursor: pointer; }
.lchip:hover { border-color: var(--text); }
.lchip.on { background: var(--text); color: var(--bg); border-color: var(--text); }
.s-data { display: flex; flex-wrap: wrap; gap: 22px 26px; }
.s-mat canvas { cursor: default; }
.s-ctrl { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; margin-bottom: 16px; }
.s-ctrl .sub { margin-left: 10px; }
.s-ctrl .btn:disabled { opacity: 0.35; cursor: default; background: transparent; color: var(--text); }
.s-say { background: var(--tint); padding: 16px 20px; font: 400 19px/1.5 var(--serif); min-height: 96px; margin-bottom: 22px; }
.s-say code { font-size: 13.5px; background: var(--paper); padding: 1px 5px; }
.s-say b { font-weight: 600; }
.s-code { display: block; font: 13px var(--mono); margin-bottom: 8px; }
.s-code code { font-size: 13px; background: none; padding: 0; color: var(--leaf); }
.s-machine { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 28px; align-items: start; }
.s-machine h3 { margin-top: 0; }
.s-machine h3 .sub { text-transform: none; letter-spacing: 0; font: 400 13px var(--serif); }
table.sregs { min-width: 0; }
table.sregs col.rlc { width: 34px; }
table.sregs td { font-size: 10px; }
table.sregs tr.formula td { text-align: left; font: italic 12.5px var(--serif); color: var(--muted); padding: 0 0 8px; border-bottom: 1px solid var(--line); white-space: normal; }
@media (max-width: 1500px) { .s-machine { grid-template-columns: 1fr; } }
.s-mat { max-width: 214px; }
.s-mat .h-bname { min-height: 30px; line-height: 1.3; }
table.sregs tr.formula b.meaning { font-style: normal; color: var(--leaf); font-weight: 500; }