:root {
  --bg: #0f1117; --panel: #181b24; --panel2: #1f2330; --ink: #e6e8ee;
  --muted: #8b91a3; --line: #2a2f3d; --accent: #6ea8fe; --ok: #4ade80;
  --warn: #fbbf24; --bad: #f87171; --pill: #2a3142;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink);
  font: 14px/1.5 ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
header { display: flex; align-items: center; gap: 20px; padding: 12px 24px;
  background: var(--panel); border-bottom: 1px solid var(--line); }
header .brand { font-weight: 700; letter-spacing: .2px; }
header nav { display: flex; gap: 16px; }
header .spacer { flex: 1; }
header .who { color: var(--muted); }
main { max-width: 1100px; margin: 24px auto; padding: 0 24px; }
h1 { font-size: 20px; margin: 0 0 16px; }
h2 { font-size: 15px; margin: 24px 0 10px; color: var(--muted);
  text-transform: uppercase; letter-spacing: .5px; }
.panel { background: var(--panel); border: 1px solid var(--line);
  border-radius: 10px; padding: 16px; margin-bottom: 16px; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line);
  vertical-align: top; }
th { color: var(--muted); font-weight: 600; font-size: 12px;
  text-transform: uppercase; letter-spacing: .4px; }
.lanes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.lane { background: var(--panel2); border: 1px solid var(--line); border-radius: 8px;
  padding: 10px 12px; }
.lane .acct { color: var(--muted); font-size: 12px; font-family: ui-monospace, monospace; }
.lane.busy { border-color: var(--accent); }
.pill { display: inline-block; padding: 1px 8px; border-radius: 999px;
  background: var(--pill); font-size: 12px; color: var(--ink); }
.pill.queued { background: #2a3142; }
.pill.scaffolding, .pill.gating, .pill.judging, .pill.rollouts, .pill.reviewing { background: #33405e; color: #cfe0ff; }
.pill.done { background: #16361f; color: var(--ok); }
.pill.rejected { background: #3a1d1d; color: var(--bad); }
.pill.stale { background: #3a2a12; color: #e8b870; }
.pill.error { background: #3a1d1d; color: var(--bad); }
.diff-very-hard { color: var(--bad); }
.diff-hard { color: var(--warn); }
.diff-medium { color: var(--accent); }
.diff-trivial { color: var(--muted); }
.muted { color: var(--muted); }
form.stack { display: flex; flex-direction: column; gap: 12px; max-width: 560px; }
label { display: flex; flex-direction: column; gap: 4px; font-size: 13px; }
input, textarea, select, button { font: inherit; }
input, textarea, select { background: var(--panel2); border: 1px solid var(--line);
  color: var(--ink); border-radius: 6px; padding: 8px 10px; }
textarea { min-height: 120px; resize: vertical; }
button, .btn { background: var(--accent); color: #06122b; border: none;
  border-radius: 6px; padding: 8px 16px; font-weight: 600; cursor: pointer; }
button.ghost { background: transparent; color: var(--ink); border: 1px solid var(--line); }
.error { background: #3a1d1d; border: 1px solid var(--bad); color: #ffd7d7;
  padding: 10px 12px; border-radius: 6px; }
.toolbar { display: flex; gap: 10px; align-items: end; margin-bottom: 12px; flex-wrap: wrap; }
code, pre { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }
pre { background: var(--panel2); border: 1px solid var(--line); border-radius: 8px;
  padding: 12px; overflow: auto; }
.kv { display: grid; grid-template-columns: 160px 1fr; gap: 6px 16px; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; }
.traj-step { border-left: 3px solid var(--line); padding: 4px 0 4px 12px; margin: 10px 0; }
.traj-label { font-size: 12px; color: var(--muted); text-transform: uppercase;
  letter-spacing: .4px; margin-bottom: 4px; }
.traj-step pre { margin: 0; white-space: pre-wrap; word-break: break-word; }
.traj-assistant { border-left-color: var(--accent); }
.traj-tool_use { border-left-color: var(--warn); }
.traj-tool_result { border-left-color: #3a4760; }
.traj-status { border-left-color: var(--ok); }
.traj-prompt { border-left-color: #6b7280; }
.filebox { background: var(--panel); border: 1px solid var(--line); border-radius: 10px;
  padding: 10px 16px; margin-bottom: 10px; }
.filebox > summary { cursor: pointer; font-weight: 600; }
.filebox > summary code { font-weight: 600; }
/* Wrap long lines (e.g. the task prompt) into multi-line text instead of a
   horizontal scrollbar; pre-wrap still preserves indentation/whitespace. */
.filebox pre { margin: 10px 0 2px; max-height: 480px; overflow: auto;
  white-space: pre-wrap; word-break: break-word; }

.lane-stats { margin: 4px 0 12px; }

/* Per-rollout trajectory-review attribution badges */
.attr { display: inline-block; padding: 1px 8px; border-radius: 999px; font-size: 12px;
  font-weight: 600; }
.attr-reasoning_gap { background: #16361f; color: #8fe0a6; }   /* real difficulty signal — good */
.attr-unfair_grader { background: #3a1d1d; color: #f0a0a0; }   /* task problem */
.attr-infra_friction { background: #2a2412; color: #ead9a0; }  /* infra problem */
.attr-passed { background: #16361f; color: var(--ok); }
.attr-inconclusive { background: #2a3142; color: var(--muted); }
tr.review-row td { border-top: none; padding-top: 0; }
.rollout-review > summary { cursor: pointer; color: var(--muted); font-size: 13px; }
.rollout-review p { margin: 8px 0 4px; }

/* Failure banner on the task page + inline reason in lists */
.failbox { display: flex; gap: 10px; align-items: baseline; flex-wrap: wrap;
  background: #2a1414; border: 1px solid #5a2a2a; color: #f0c2c2;
  border-radius: 10px; padding: 10px 14px; margin: 12px 0; }
.failbox.warn { background: #2a2412; border-color: #5a4f2a; color: #ead9a0; }
.failbox .fail-kind { font-weight: 700; }
.failbox .fail-msg { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 13px; }
.fail-inline { font-size: 12px; }

/* Submit: task spec panel */
.taskspec { margin-bottom: 16px; }
.taskspec > summary { cursor: pointer; font-size: 15px; }
table.spec { width: 100%; border-collapse: collapse; margin: 10px 0; }
table.spec th, table.spec td { text-align: left; padding: 6px 10px; vertical-align: top;
  border-bottom: 1px solid var(--line); }
table.spec th { color: var(--muted); font-weight: 600; font-size: 12px;
  text-transform: uppercase; letter-spacing: .4px; }
table.spec td code { white-space: nowrap; }
.pill.req { background: #3a2a2a; color: #f3b0b0; }
.pill.opt { background: #2a3340; color: #9db4cc; }
.req-size { margin-top: 8px; }

/* Submit: task-files upload block */
fieldset.upload { border: 1px solid var(--line); border-radius: 10px; padding: 12px 16px;
  margin: 4px 0; }
fieldset.upload legend { padding: 0 6px; color: var(--muted); font-size: 13px; }
fieldset.upload label { display: block; margin: 10px 0; }
.or-sep { text-align: center; margin: 6px 0; }

/* History pagination */
.pager { display: flex; align-items: center; gap: 16px; margin-top: 14px; }
.pager a { text-decoration: none; }
.pager .disabled { color: var(--muted); opacity: .5; }