/* ------------------------------------------------------------------ *
 * workflow-llm-orchestrator -- live harness
 * Hand-written, no framework. One deliberate light theme -- reads as a lab
 * notebook, not a product landing page.
 * ------------------------------------------------------------------ */

:root {
  /* Paper, not a terminal. Everything sits on white; the only colour in the
     page is the small amount that encodes run state, and even that is muted
     enough to print. */
  --bg:        #ffffff;
  --bg-raised: #ffffff;
  --bg-sunken: #f5f4f1;
  --line:      #d9d5cb;
  --line-soft: #e8e5dd;
  --ink:       #14130f;
  --ink-dim:   #423f37;
  --ink-faint: #67635a;

  --accent:  #6b4f1f;
  --accent-d:#e8dfc8;
  --pass:    #2f6b3a;
  --fail:    #9c2b26;
  --warn:    #8a5a12;
  --info:    #2a4d80;
  --plan:    #4a3b6b;
  --replan:  #7a3355;

  --serif: "Source Serif 4", Georgia, "Times New Roman", serif;
  --mono: ui-monospace, "SF Mono", "Cascadia Mono", "JetBrains Mono", Menlo, Consolas, monospace;
  --sans: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

  --r: 3px;
  --shadow: 0 14px 36px -24px rgb(20 19 15 / .30);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.62;
  -webkit-font-smoothing: antialiased;
}

.wrap { width: min(1240px, 100% - 2.5rem); margin-inline: auto; }

h1, h2, h3, h4 {
  font-family: var(--serif); font-weight: 600;
  line-height: 1.25; margin: 0; letter-spacing: -.01em;
}
h2 { font-size: 1.45rem; }
h3 { font-size: 1.06rem; }
h4 { font-size: .95rem; }
p  { margin: .55rem 0; }
a  { color: var(--accent); text-decoration-color: color-mix(in srgb, var(--accent) 40%, transparent); text-underline-offset: 3px; }
a:hover { text-decoration-color: currentColor; }
code { font-family: var(--mono); font-size: .88em; background: var(--bg-sunken); padding: .12em .38em; border-radius: 3px; border: 1px solid var(--line-soft); }
em { font-style: normal; }

.muted    { color: var(--ink-dim); margin: .3rem 0 0; max-width: 74ch; }
.footnote { color: var(--ink-faint); font-size: .82rem; margin-top: .9rem; }
.note     { color: var(--ink-dim); font-size: .85rem; margin: .5rem 0 0; max-width: 78ch; }
.note-warn{
  border-left: 2px solid var(--warn);
  padding-left: .7rem;
  color: var(--ink-dim);
}
.num  { text-align: right; }
.hidden { display: none !important; }

/* --------------------------------------------------------- masthead */

.masthead { border-bottom: 1px solid var(--line); background: var(--bg-raised); }
.masthead-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1.5rem; padding: .9rem 0; flex-wrap: wrap;
}
.brand { display: flex; align-items: center; gap: .8rem; }
.brand h1 { font-size: 1.02rem; font-family: var(--mono); font-weight: 600; letter-spacing: -.02em; }
.brand-sub { margin: .1rem 0 0; font-size: .82rem; color: var(--ink-faint); }
.brand-mark {
  width: 28px; height: 28px; flex: none;
  background:
    radial-gradient(circle at 26% 50%, var(--ink-dim) 0 2.5px, transparent 3px),
    radial-gradient(circle at 74% 28%, var(--ink-faint) 0 2.5px, transparent 3px),
    radial-gradient(circle at 74% 72%, var(--ink-faint) 0 2.5px, transparent 3px),
    var(--bg-sunken);
  border: 1px solid var(--line);
}
.masthead-links { display: flex; gap: 1.15rem; font-size: .87rem; }
.masthead-links a { color: var(--ink-dim); text-decoration: none; }
.masthead-links a:hover { color: var(--accent); }

/* ------------------------------------------------------------- hero */

.hero { padding: 2.4rem 0 1.6rem; border-bottom: 1px solid var(--line-soft); }
.hero-lede { font-size: 1.12rem; max-width: 76ch; margin: 0; }
.hero-lede strong { color: var(--accent); font-weight: 600; }
.hero-sub  { color: var(--ink-dim); max-width: 76ch; font-size: .95rem; }

.hero-flow {
  display: flex; align-items: center; gap: .45rem; flex-wrap: wrap;
  margin-top: 1.25rem; font-family: var(--mono); font-size: .78rem;
}
.stage {
  padding: .26rem .68rem; border-radius: 2px;
  border: 1px solid var(--line); background: var(--bg-raised);
}
.stage-plan     { color: var(--plan);   border-color: color-mix(in srgb, var(--plan) 40%, var(--line)); }
.stage-validate { color: var(--info);   border-color: color-mix(in srgb, var(--info) 40%, var(--line)); }
.stage-execute  { color: var(--accent); border-color: color-mix(in srgb, var(--accent) 40%, var(--line)); }
.stage-verify   { color: var(--warn);   border-color: color-mix(in srgb, var(--warn) 40%, var(--line)); }
.stage-finish   { color: var(--pass);   border-color: color-mix(in srgb, var(--pass) 40%, var(--line)); }
.arrow    { color: var(--ink-faint); }
.loopback { color: var(--replan); margin-left: .3rem; }

/* ------------------------------------------------------------- tabs */

.tabs {
  display: flex; gap: .3rem; margin-top: 1.6rem;
  border-bottom: 1px solid var(--line); flex-wrap: wrap;
}
.tab {
  appearance: none; background: none; border: 0; cursor: pointer;
  color: var(--ink-dim); font: inherit; font-size: .92rem;
  padding: .7rem .95rem; border-bottom: 2px solid transparent;
  margin-bottom: -1px; border-radius: 3px 6px 0 0;
}
.tab:hover { color: var(--ink); background: var(--bg-raised); }
.tab.is-active { color: var(--accent); border-bottom-color: var(--accent); }

.panel { display: none; padding: 1.9rem 0 3.5rem; }
.panel.is-active { display: block; }

.panel-head {
  display: flex; justify-content: space-between; align-items: flex-start;
  gap: 1.5rem; flex-wrap: wrap; margin-bottom: 1.35rem;
}
.panel-actions { display: flex; gap: .55rem; flex-wrap: wrap; }

/* ---------------------------------------------------------- buttons */

.btn {
  appearance: none; cursor: pointer; font: inherit; font-size: .875rem;
  padding: .48rem .95rem; border-radius: 3px;
  border: 1px solid var(--line); background: var(--bg-raised); color: var(--ink);
  transition: border-color .12s, background .12s, color .12s;
  white-space: nowrap;
}
.btn:hover:not(:disabled) { border-color: var(--accent); color: var(--accent); }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.btn-primary {
  background: var(--accent); color: #ffffff; border-color: var(--accent); font-weight: 600;
}
.btn-primary:hover:not(:disabled) { filter: brightness(1.12); color: #ffffff; }
.btn-ghost { background: transparent; color: var(--ink-dim); }
.btn-sm    { padding: .34rem .7rem; font-size: .8rem; }
.btn-block { width: 100%; margin-top: .8rem; }

/* ------------------------------------------------------------ cards */

.card {
  background: var(--bg-raised); border: 1px solid var(--line);
  border-radius: var(--r); padding: 1.1rem 1.2rem; margin-bottom: 1rem;
}
fieldset.card { min-width: 0; }
.card legend {
  font-size: .82rem; font-weight: 600; text-transform: uppercase;
  letter-spacing: .07em; color: var(--ink-faint); padding: 0 .45rem;
}
.legend-note { text-transform: none; letter-spacing: 0; font-weight: 400; color: var(--ink-faint); }
.sticky { position: sticky; top: 1rem; }

/* ------------------------------------------------------ leaderboard */

.table-scroll { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--r); }
table.board { width: 100%; border-collapse: collapse; font-size: .88rem; min-width: 940px; }
table.board thead th {
  text-align: left; font-weight: 600; font-size: .72rem; letter-spacing: .06em;
  text-transform: uppercase; color: var(--ink-faint);
  padding: .7rem .8rem; background: var(--bg-sunken);
  border-bottom: 1px solid var(--line); white-space: nowrap;
}
table.board thead th.num { text-align: right; }
table.board tbody td { padding: .72rem .8rem; border-bottom: 1px solid var(--line-soft); vertical-align: middle; }
table.board tbody tr:last-child td { border-bottom: 0; }
table.board tbody tr.is-mine { background: color-mix(in srgb, var(--accent) 4%, transparent); }
table.board tbody tr:hover { background: color-mix(in srgb, var(--accent) 7%, transparent); }
.col-name { min-width: 260px; }
.col-act  { width: 1%; }

.v-name { font-weight: 600; display: flex; align-items: center; gap: .45rem; }
.v-tag  { color: var(--ink-faint); font-size: .8rem; display: block; margin-top: .1rem; max-width: 46ch; }
.badge {
  font-family: var(--mono); font-size: .64rem; letter-spacing: .04em;
  padding: .1rem .38rem; border-radius: 3px; border: 1px solid var(--line);
  color: var(--ink-faint); text-transform: uppercase;
}
.badge-mine { color: var(--accent); border-color: color-mix(in srgb, var(--accent) 45%, var(--line)); }

.score { display: flex; align-items: center; gap: .55rem; min-width: 132px; }
.bar { flex: 1; height: 6px; border-radius: 3px; background: var(--bg-sunken); overflow: hidden; border: 1px solid var(--line-soft); }
.bar > i { display: block; height: 100%; background: var(--pass); }
.bar.is-partial > i { background: var(--warn); }
.bar.is-bad     > i { background: var(--fail); }
.score-txt { font-family: var(--mono); font-size: .8rem; white-space: nowrap; }
td.num { font-family: var(--mono); font-size: .82rem; color: var(--ink-dim); }
.pending { color: var(--ink-faint); font-style: italic; }
.row-actions-cell { display: flex; gap: .35rem; justify-content: flex-end; }

/* ---------------------------------------------------------- builder */

.builder { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 1.1rem; align-items: start; }
@media (max-width: 900px) { .builder { grid-template-columns: 1fr; } .sticky { position: static; } }
.builder-form { min-width: 0; }

.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: .9rem 1.1rem; }

.field { display: block; margin-top: .55rem; }
.field > span { display: block; font-size: .82rem; color: var(--ink-dim); margin-bottom: .3rem; }
.field > span em { color: var(--ink-faint); font-size: .95em; }
.field > em { display: block; color: var(--ink-faint); font-size: .78rem; margin-top: .25rem; line-height: 1.45; }

input[type=text], input[type=password], select, textarea {
  width: 100%; font: inherit; font-size: .88rem;
  background: var(--bg-sunken); color: var(--ink);
  border: 1px solid var(--line); border-radius: 3px; padding: .48rem .6rem;
}
textarea { font-family: var(--mono); font-size: .78rem; line-height: 1.55; resize: vertical; }
input:focus, select:focus, textarea:focus { outline: 2px solid color-mix(in srgb, var(--accent) 55%, transparent); outline-offset: 1px; border-color: var(--accent); }

input[type=range] { width: 100%; accent-color: var(--accent); }
.field.range output { float: right; font-family: var(--mono); color: var(--accent); font-size: .82rem; }

.radio-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: .6rem; margin-top: .5rem; }
.radio, .switch { display: flex; gap: .6rem; align-items: flex-start; cursor: pointer; padding: .6rem .7rem; border: 1px solid var(--line); border-radius: 3px; background: var(--bg-sunken); }
.radio:has(:checked), .switch:has(:checked) { border-color: color-mix(in srgb, var(--accent) 55%, var(--line)); }
.radio input, .switch input { margin-top: .28rem; accent-color: var(--accent); flex: none; }
.radio span, .switch span { display: block; font-size: .87rem; }
.radio em, .switch em { display: block; color: var(--ink-faint); font-size: .78rem; margin-top: .1rem; }
.switch { margin-top: .5rem; }

.tool-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(268px, 1fr)); gap: .5rem; margin-top: .55rem; }
.tool {
  display: flex; gap: .55rem; align-items: flex-start; cursor: pointer;
  padding: .55rem .65rem; border: 1px solid var(--line); border-radius: 3px; background: var(--bg-sunken);
}
.tool:has(:checked) { border-color: color-mix(in srgb, var(--accent) 45%, var(--line)); }
.tool input { margin-top: .3rem; accent-color: var(--accent); flex: none; }
.tool-name { font-family: var(--mono); font-size: .82rem; font-weight: 600; }
.tool-desc { display: block; color: var(--ink-faint); font-size: .76rem; line-height: 1.45; margin-top: .1rem; }
.tool-flags { display: inline-flex; gap: .3rem; margin-left: .35rem; }
.flag { font-family: var(--mono); font-size: .6rem; padding: .04rem .3rem; border-radius: 3px; border: 1px solid currentColor; text-transform: uppercase; }
.flag-mut  { color: var(--replan); }
.flag-cost { color: var(--warn); }

.task-list { display: grid; gap: .5rem; margin-top: .55rem; }
.task-pick { display: flex; gap: .6rem; align-items: flex-start; cursor: pointer; padding: .6rem .7rem; border: 1px solid var(--line); border-radius: 3px; background: var(--bg-sunken); }
.task-pick:has(:checked) { border-color: color-mix(in srgb, var(--accent) 45%, var(--line)); }
.task-pick input { margin-top: .3rem; accent-color: var(--accent); flex: none; }
.task-id { font-family: var(--mono); font-size: .82rem; font-weight: 600; }
.task-goal { display: block; color: var(--ink-dim); font-size: .82rem; }
.probes { display: flex; flex-wrap: wrap; gap: .3rem; margin-top: .35rem; }
.probe { font-size: .68rem; padding: .1rem .42rem; border-radius: 2px; background: var(--bg); border: 1px solid var(--line); color: var(--ink-faint); }

.summary { font-family: var(--mono); font-size: .78rem; color: var(--ink-dim); }
.summary div { display: flex; justify-content: space-between; gap: .8rem; padding: .18rem 0; border-bottom: 1px dashed var(--line-soft); }
.summary div:last-child { border-bottom: 0; }
.summary b { color: var(--ink); font-weight: 500; }
.row-actions { display: flex; gap: .4rem; margin-top: .7rem; flex-wrap: wrap; }
.row-actions.stack { flex-direction: column; }
.row-actions.stack .btn { width: 100%; }

/* -------------------------------------------------------- playground */

.play-row { display: grid; grid-template-columns: minmax(0, 1fr) 200px auto; gap: .55rem; }
@media (max-width: 760px) { .play-row { grid-template-columns: 1fr; } }
.chips { display: flex; flex-wrap: wrap; gap: .4rem; margin-top: .7rem; }
.chip {
  cursor: pointer; font: inherit; font-size: .78rem; padding: .26rem .62rem;
  border-radius: 2px; border: 1px solid var(--line); background: var(--bg-sunken); color: var(--ink-dim);
}
.chip:hover { border-color: var(--accent); color: var(--accent); }

/* ------------------------------------------------------- scorecards */

.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(126px, 1fr)); gap: .55rem; margin-bottom: 1rem; }
.stat { background: var(--bg-sunken); border: 1px solid var(--line); border-radius: 3px; padding: .6rem .7rem; }
.stat b { display: block; font-family: var(--mono); font-size: 1.18rem; font-weight: 600; letter-spacing: -.02em; }
.stat span { display: block; font-size: .7rem; text-transform: uppercase; letter-spacing: .06em; color: var(--ink-faint); margin-top: .1rem; }
.stat.good b { color: var(--pass); }
.stat.bad  b { color: var(--fail); }
.stat.warn b { color: var(--warn); }

/* ------------------------------------------------------------ tasks */

.task-result { border: 1px solid var(--line); border-radius: var(--r); margin-bottom: .6rem; background: var(--bg-raised); overflow: hidden; }
.task-result > summary { cursor: pointer; padding: .75rem .9rem; display: flex; align-items: center; gap: .7rem; list-style: none; flex-wrap: wrap; }
.task-result > summary::-webkit-details-marker { display: none; }
.task-result > summary:hover { background: var(--bg-sunken); }
.task-result[open] > summary { border-bottom: 1px solid var(--line); }
.verdict-pill {
  font-family: var(--mono); font-size: .68rem; font-weight: 700; letter-spacing: .06em;
  padding: .16rem .5rem; border-radius: 3px; flex: none;
}
.verdict-pill.pass { color: var(--pass); background: color-mix(in srgb, var(--pass) 14%, transparent); border: 1px solid color-mix(in srgb, var(--pass) 40%, transparent); }
.verdict-pill.fail { color: var(--fail); background: color-mix(in srgb, var(--fail) 14%, transparent); border: 1px solid color-mix(in srgb, var(--fail) 40%, transparent); }
.verdict-pill.run  { color: var(--info); background: color-mix(in srgb, var(--info) 14%, transparent); border: 1px solid color-mix(in srgb, var(--info) 40%, transparent); }
.task-title { font-weight: 600; font-size: .92rem; }
.task-meta { margin-left: auto; font-family: var(--mono); font-size: .76rem; color: var(--ink-faint); display: flex; gap: .8rem; flex-wrap: wrap; }
.task-why { padding: .5rem .9rem; font-size: .83rem; color: var(--ink-dim); background: var(--bg-sunken); border-bottom: 1px solid var(--line-soft); }
.task-why.bad { color: var(--fail); }

.subtabs { display: flex; gap: .25rem; padding: .6rem .9rem 0; flex-wrap: wrap; border-bottom: 1px solid var(--line-soft); }
.subtab {
  appearance: none; border: 0; background: none; cursor: pointer; font: inherit;
  font-size: .8rem; color: var(--ink-faint); padding: .35rem .7rem;
  border-radius: 3px 6px 0 0; border-bottom: 2px solid transparent; margin-bottom: -1px;
}
.subtab:hover { color: var(--ink); }
.subtab.is-active { color: var(--accent); border-bottom-color: var(--accent); }
.subpanel { padding: .9rem; display: none; }
.subpanel.is-active { display: block; }

/* ------------------------------------------------------------- DAG */

.plan-versions { display: flex; gap: .35rem; margin-bottom: .7rem; flex-wrap: wrap; align-items: center; }
.plan-versions .label { font-size: .76rem; color: var(--ink-faint); margin-right: .2rem; }
.vbtn {
  cursor: pointer; font: inherit; font-size: .76rem; font-family: var(--mono);
  padding: .2rem .55rem; border-radius: 3px; border: 1px solid var(--line);
  background: var(--bg-sunken); color: var(--ink-dim);
}
.vbtn.is-active { border-color: var(--accent); color: var(--accent); }
.dag-scroll { overflow-x: auto; background: var(--bg-sunken); border: 1px solid var(--line); border-radius: 3px; padding: .8rem; }
.dag-node rect { fill: var(--bg-raised); stroke: var(--line); stroke-width: 1.2; }
.dag-node.ok      rect { stroke: color-mix(in srgb, var(--pass) 65%, var(--line)); }
.dag-node.failed  rect { stroke: var(--fail); }
.dag-node.skipped rect { stroke-dasharray: 3 3; }
.dag-node.final   rect { stroke-width: 2; }
.dag-id   { font-family: var(--mono); font-size: 11px; fill: var(--ink-faint); }
.dag-tool { font-family: var(--mono); font-size: 12px; fill: var(--ink); font-weight: 600; }
.dag-ms   { font-family: var(--mono); font-size: 10px; fill: var(--ink-faint); }
.dag-edge { stroke: var(--line); stroke-width: 1.4; fill: none; }
.dag-legend { display: flex; gap: .9rem; flex-wrap: wrap; margin-top: .6rem; font-size: .74rem; color: var(--ink-faint); }
.dag-legend i { display: inline-block; width: 9px; height: 9px; border-radius: 2px; border: 1.5px solid; margin-right: .3rem; vertical-align: -1px; }

.diag {
  margin-top: .7rem; font-size: .82rem; color: var(--ink-dim);
  border-left: 2px solid var(--replan); padding: .3rem 0 .3rem .7rem;
}

/* ------------------------------------------------------------ steps */

.step {
  border: 1px solid var(--line); border-radius: 3px; margin-bottom: .55rem;
  background: var(--bg-sunken); overflow: hidden;
}
.step-head { display: flex; align-items: center; gap: .6rem; padding: .55rem .7rem; flex-wrap: wrap; border-bottom: 1px solid var(--line-soft); }
.step-id { font-family: var(--mono); font-size: .78rem; color: var(--ink-faint); }
.step-tool { font-family: var(--mono); font-size: .85rem; font-weight: 600; }
.status-dot { width: 8px; height: 8px; border-radius: 50%; flex: none; }
.status-ok      { background: var(--pass); }
.status-failed  { background: var(--fail); }
.status-skipped { background: var(--ink-faint); }
.step-meta { margin-left: auto; font-family: var(--mono); font-size: .74rem; color: var(--ink-faint); display: flex; gap: .7rem; flex-wrap: wrap; }
.kv { padding: .5rem .7rem; border-bottom: 1px solid var(--line-soft); }
.kv:last-child { border-bottom: 0; }
.kv > b { display: block; font-size: .7rem; text-transform: uppercase; letter-spacing: .06em; color: var(--ink-faint); font-weight: 600; margin-bottom: .25rem; }
pre {
  margin: 0; font-family: var(--mono); font-size: .76rem; line-height: 1.6;
  white-space: pre-wrap; word-break: break-word; color: var(--ink);
  max-height: 260px; overflow: auto;
}
pre.wrapbox { background: var(--bg); border: 1px solid var(--line-soft); border-radius: 3px; padding: .5rem .6rem; }
.verdict-line { font-size: .82rem; display: flex; gap: .45rem; align-items: baseline; flex-wrap: wrap; }
.verdict-line .conf { font-family: var(--mono); font-size: .72rem; color: var(--ink-faint); }
.verdict-line.pass > b { color: var(--pass); }
.verdict-line.fail > b { color: var(--fail); }

/* ------------------------------------------------------------ trace */

.trace { font-family: var(--mono); font-size: .77rem; }
.trace-row { display: grid; grid-template-columns: 62px 84px 1fr; gap: .6rem; padding: .24rem .5rem; border-radius: 3px; align-items: start; }
.trace-row:hover { background: var(--bg-sunken); }
.trace-row.lvl-warn  { background: color-mix(in srgb, var(--warn) 8%, transparent); }
.trace-row.lvl-error { background: color-mix(in srgb, var(--fail) 9%, transparent); }
.trace-t { color: var(--ink-faint); text-align: right; }
.trace-phase { font-size: .68rem; letter-spacing: .04em; text-transform: uppercase; padding-top: .08rem; }
.ph-plan { color: var(--plan); } .ph-validate { color: var(--info); } .ph-execute { color: var(--accent); }
.ph-verify { color: var(--warn); } .ph-replan { color: var(--replan); } .ph-finish { color: var(--pass); }
.trace-msg { color: var(--ink-dim); word-break: break-word; }
.trace-row.lvl-warn .trace-msg, .trace-row.lvl-error .trace-msg { color: var(--ink); }
.trace-data { cursor: pointer; }
.trace-data > summary { list-style: none; color: var(--ink-faint); font-size: .7rem; }
.trace-data > summary::-webkit-details-marker { display: none; }
.trace-data > summary:hover { color: var(--accent); }

/* ------------------------------------------------------------ files */

.file { border: 1px solid var(--line); border-radius: 3px; margin-bottom: .5rem; overflow: hidden; }
.file-name { font-family: var(--mono); font-size: .78rem; padding: .4rem .6rem; background: var(--bg-sunken); border-bottom: 1px solid var(--line-soft); display: flex; gap: .5rem; align-items: center; }
.file-tag { font-size: .62rem; text-transform: uppercase; letter-spacing: .05em; padding: .05rem .32rem; border-radius: 3px; border: 1px solid currentColor; }
.file-tag.written { color: var(--pass); }
.file-tag.fixture { color: var(--ink-faint); }
.file pre { padding: .5rem .6rem; }

/* ----------------------------------------------------------- drawer */

.drawer { position: fixed; inset: 0; z-index: 50; display: flex; justify-content: flex-end; }
.drawer[hidden] { display: none; }
.drawer-backdrop { position: absolute; inset: 0; background: rgb(20 19 15 / .38); backdrop-filter: blur(2px); }
.drawer-panel {
  position: relative; width: min(880px, 100%); background: var(--bg);
  border-left: 1px solid var(--line); box-shadow: var(--shadow);
  display: flex; flex-direction: column; animation: slide .18s ease-out;
}
@keyframes slide { from { transform: translateX(24px); opacity: .6; } to { transform: none; opacity: 1; } }
.drawer-head {
  display: flex; justify-content: space-between; align-items: flex-start; gap: 1rem;
  padding: 1rem 1.2rem; border-bottom: 1px solid var(--line); background: var(--bg-raised);
}
.drawer-body { overflow-y: auto; padding: 1.1rem 1.2rem 2.5rem; flex: 1; }

/* ------------------------------------------------------------ misc */

.spinner {
  display: inline-block; width: 11px; height: 11px; border-radius: 50%;
  border: 2px solid color-mix(in srgb, var(--accent) 30%, transparent);
  border-top-color: var(--accent); animation: spin .7s linear infinite; vertical-align: -1px;
}
@keyframes spin { to { transform: rotate(360deg); } }
.err { color: var(--fail); font-size: .84rem; }
.mode-h { font-family: var(--mono); color: var(--accent); }
.empty { color: var(--ink-faint); font-size: .85rem; padding: .6rem 0; }

.site-footer { border-top: 1px solid var(--line); padding: 1.5rem 0 2.5rem; color: var(--ink-faint); font-size: .84rem; }

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .001ms !important; transition-duration: .001ms !important; }
  html { scroll-behavior: auto; }
}

/* ------------------------------------------- bring-your-own tasks & files */

.prompt-tabs { border-bottom: 0; padding: .2rem 0 .5rem; }
.prompt-pane[hidden] { display: none; }

.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: .6rem .9rem; }
.grid-3 .field[hidden] { display: none; }

.row-task, .row-fixture {
  border: 1px solid var(--line); border-radius: 3px;
  padding: .7rem .8rem; margin-bottom: .6rem; background: var(--bg-sunken);
}
.row-task-head {
  display: flex; align-items: center; gap: .6rem;
  margin-bottom: .35rem;
}
.row-task-head .task-id { color: var(--ink-faint); text-transform: uppercase; letter-spacing: .06em; font-size: .7rem; }
.row-task-head .btn { margin-left: auto; }
.path-input { font-family: var(--mono); font-size: .8rem; max-width: 280px; }
.row-fixture textarea { margin-top: .3rem; }

/* --------------------------------------------------- animated plan graph */

.dag-wrap { position: relative; }

/* Entrance: the graph assembles in dependency order. Columns arrive left to
   right and each edge draws itself into the node it feeds, so the animation
   carries the same information the layout does. */
.dag-node {
  animation: node-in .42s cubic-bezier(.2, .9, .3, 1.2) both;
  animation-delay: var(--delay, 0s);
  transform-box: fill-box;
}
@keyframes node-in {
  from { opacity: 0; transform: translateY(7px) scale(.96); }
  to   { opacity: 1; transform: none; }
}

.dag-edge {
  stroke-dasharray: 1;
  animation: edge-draw .5s ease-out both;
  animation-delay: var(--delay, 0s);
}
@keyframes edge-draw {
  from { stroke-dashoffset: 1; opacity: 0; }
  to   { stroke-dashoffset: 0; opacity: 1; }
}
.dag-arrow { fill: var(--line); stroke: none; }

/* The glow layer sits on top of the node and is invisible until the replay
   lights it. Kept as a second rect so the base border colour (which encodes the
   final status) is never overwritten by the animation. */
.dag-glow { fill: none; stroke: none; stroke-width: 2; }

/* ---- replay ---- */

.is-replaying .dag-node { opacity: .34; transition: opacity .25s; }
.is-replaying .dag-node.is-running,
.is-replaying .dag-node.is-done,
.is-replaying .dag-node.is-bad { opacity: 1; }

.dag-node.is-running .dag-glow {
  stroke: var(--accent);
  animation: node-pulse 1s ease-in-out infinite;
}
@keyframes node-pulse {
  0%, 100% { stroke-opacity: .35; }
  50%      { stroke-opacity: 1; }
}
.dag-node.is-done .dag-glow { stroke: var(--pass); stroke-opacity: .85; }
.dag-node.is-bad  .dag-glow { stroke: var(--fail); stroke-opacity: 1; animation: node-shake .4s; }
@keyframes node-shake {
  0%, 100% { transform: none; }
  25%      { transform: translateX(-2.5px); }
  75%      { transform: translateX(2.5px); }
}

/* A dash travelling along the edge in the direction data actually flows. */
.is-replaying .dag-edge { opacity: .3; }
.is-replaying .dag-edge.is-live {
  opacity: 1;
  stroke: var(--accent);
  stroke-dasharray: .12 .1;
  animation: edge-flow 1.1s linear infinite;
}
@keyframes edge-flow {
  from { stroke-dashoffset: .44; }
  to   { stroke-dashoffset: 0; }
}

.dag-controls { display: flex; align-items: center; gap: .7rem; margin-top: .6rem; flex-wrap: wrap; }
.dag-play { font-variant-numeric: tabular-nums; }
.dag-status { font-family: var(--mono); font-size: .76rem; color: var(--ink-dim); }
.dag-status.lvl-warn  { color: var(--warn); }
.dag-status.lvl-error { color: var(--fail); }
.dag-status.lvl-ok    { color: var(--pass); }

/* ---- hero: the pipeline pills cycle so the loop reads as a loop ---- */

.hero-flow .stage { animation: stage-glow 6s ease-in-out infinite; }
.hero-flow .stage-plan     { animation-delay: 0s; }
.hero-flow .stage-validate { animation-delay: .5s; }
.hero-flow .stage-execute  { animation-delay: 1s; }
.hero-flow .stage-verify   { animation-delay: 1.5s; }
.hero-flow .stage-finish   { animation-delay: 2s; }
@keyframes stage-glow {
  0%, 42%, 100% { box-shadow: none; }
  8%            { box-shadow: 0 0 0 3px color-mix(in srgb, currentColor 18%, transparent); }
}
.hero-flow .loopback { animation: loop-fade 6s ease-in-out infinite; animation-delay: 2.5s; }
@keyframes loop-fade {
  0%, 30%, 100% { opacity: .55; }
  10%           { opacity: 1; }
}

@media (prefers-reduced-motion: reduce) {
  .dag-node, .dag-edge, .hero-flow .stage, .hero-flow .loopback { animation: none !important; }
  .dag-node.is-running .dag-glow { stroke-opacity: 1; }
  .is-replaying .dag-edge.is-live { stroke-dasharray: none; }
}

/* ------------------------------------------------------- live run theatre */

.live-head {
  display: flex; justify-content: space-between; align-items: center;
  gap: 1rem; flex-wrap: wrap; padding-bottom: .6rem;
  border-bottom: 1px solid var(--line);
}
.live-count { font-family: var(--mono); font-size: 1.15rem; }
.live-sub { color: var(--ink-faint); font-size: .8rem; margin-left: .35rem; }
.live-controls { display: flex; align-items: center; gap: .6rem; flex-wrap: wrap; }
.live-speed { display: flex; align-items: center; gap: .4rem; font-size: .78rem; color: var(--ink-faint); }
.live-speed select { width: auto; padding: .22rem .4rem; font-size: .78rem; }
.live-note { margin: .5rem 0 .9rem; }

.live-tasks { list-style: none; margin: 0 0 1rem; padding: 0; display: grid; gap: .25rem; }
.live-task {
  display: flex; align-items: center; gap: .6rem;
  padding: .4rem .6rem; border-radius: 3px;
  border: 1px solid transparent; font-size: .85rem;
}
.live-task.is-running {
  border-color: color-mix(in srgb, var(--accent) 45%, var(--line));
  background: color-mix(in srgb, var(--accent) 8%, transparent);
}
.live-dot {
  width: 8px; height: 8px; border-radius: 50%; flex: none;
  background: var(--line); border: 1px solid var(--ink-faint);
}
.live-task.is-running .live-dot { background: var(--accent); border-color: var(--accent); animation: node-pulse .9s ease-in-out infinite; }
.live-task.is-pass .live-dot { background: var(--pass); border-color: var(--pass); }
.live-task.is-fail .live-dot { background: var(--fail); border-color: var(--fail); }
.live-name { font-family: var(--mono); font-size: .8rem; font-weight: 600; }
.live-goal { color: var(--ink-faint); font-size: .8rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.live-result { margin-left: auto; flex: none; }

.live-stage {
  border: 1px solid var(--line); border-radius: var(--r);
  background: var(--bg-raised); padding: .9rem; min-height: 190px;
}
.live-stage-head { display: flex; align-items: baseline; gap: .6rem; margin-bottom: .7rem; flex-wrap: wrap; }
.live-attempt-label {
  font-size: .74rem; color: var(--ink-faint); text-transform: uppercase;
  letter-spacing: .06em; margin-bottom: .45rem;
}

/* A step that never got to run, because something it depends on failed. */
.dag-node.is-blocked { opacity: .3 !important; }
.dag-node.is-blocked rect:first-of-type { stroke-dasharray: 4 3; stroke: var(--ink-faint); }
.dag-node.is-blocked .dag-glow { stroke: var(--ink-faint); stroke-opacity: .5; }