:root {
  --bg: #0d1117;
  --bg-2: #161b22;
  --bg-3: #1c2330;
  --border: #2a3240;
  --fg: #e6edf3;
  --muted: #8b949e;
  --accent: #58a6ff;
  --green: #3fb950;
  --yellow: #d29922;
  --red: #f85149;
  --purple: #bc8cff;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  font-size: 14px;
}

body { display: flex; flex-direction: column; }

/* ---------- top bar ---------- */
.topbar {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px 18px;
  background: var(--bg-2);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
  overflow: hidden;
}

/* ---------- top-bar activity indicator (pure CSS) ----------
   ::after  = dim track sitting on the bottom border
   ::before = the moving / solid segment that signals the state
   JS only toggles a `topbar--<state>` class.

   All durations below are integer multiples of a 1.4s beat. Two infinite
   animations with an arbitrary ratio (e.g. 4.6s vs 2.8s = 23:14) only re-align
   every 64s, so they visibly drift; keeping every animation on the same beat
   grid makes the pair repeat exactly and stay phase-locked. */
.topbar::before,
.topbar::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  height: 4px;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s ease;
}
.topbar::after { right: 0; background: rgba(88, 166, 255, 0.16); }
.topbar::before { width: 46%; transform: translateX(-100%); }

/* running / starting — blue→green sweep + travelling sheen */
.topbar--running {
  background-image: linear-gradient(100deg,
    rgba(88, 166, 255, 0) 0%,
    rgba(88, 166, 255, 0.13) 34%,
    rgba(63, 185, 80, 0.18) 50%,
    rgba(88, 166, 255, 0.13) 66%,
    rgba(88, 166, 255, 0) 100%);
  background-size: 240% 100%;
  animation: topbar-sheen 5.6s linear infinite; /* 4 × beat = 2 × sweep → locked */
}
.topbar--running::after { opacity: 1; background: rgba(88, 166, 255, 0.22); }
.topbar--running::before {
  opacity: 1;
  background: linear-gradient(90deg, rgba(88, 166, 255, 0) 0%, var(--accent) 22%, #7ee787 56%, var(--green) 80%, rgba(63, 185, 80, 0) 100%);
  box-shadow: 0 0 12px rgba(88, 166, 255, 0.8), 0 0 5px rgba(126, 231, 135, 0.95);
  animation: topbar-sweep 2.8s cubic-bezier(0.45, 0, 0.35, 1) infinite; /* 2 × beat */
}

/* waiting for operator input — pulsing purple */
.topbar--waiting {
  background-image: linear-gradient(90deg, rgba(188, 140, 255, 0.07), rgba(188, 140, 255, 0.12), rgba(188, 140, 255, 0.07));
  background-size: 220% 100%;
  animation: topbar-sheen 2.8s linear infinite; /* 2 × beat */
}
.topbar--waiting::before {
  opacity: 1;
  width: 100%;
  transform: none;
  background: linear-gradient(90deg, rgba(188, 140, 255, 0.15), var(--purple), rgba(188, 140, 255, 0.15));
  animation: topbar-breathe 1.4s ease-in-out infinite; /* 1 × beat (2 per sheen) */
}

/* paused — static amber baseline (deliberately not animating) */
.topbar--paused::before {
  opacity: 1;
  width: 100%;
  transform: none;
  background: linear-gradient(90deg, rgba(210, 153, 34, 0.12), var(--yellow), rgba(210, 153, 34, 0.12));
}

/* finished cleanly — static green line */
.topbar--done::before {
  opacity: 1;
  width: 100%;
  transform: none;
  background: linear-gradient(90deg, rgba(63, 185, 80, 0.12), var(--green), rgba(63, 185, 80, 0.12));
}

/* stopped / stale-ish warnings — light amber tint */
.topbar--warn {
  background-image: linear-gradient(180deg, rgba(210, 153, 34, 0.13), rgba(210, 153, 34, 0.04) 72%, transparent);
  animation: topbar-warn-pulse 2.8s ease-in-out infinite; /* 2 × beat */
}
.topbar--warn::before {
  opacity: 1;
  width: 100%;
  transform: none;
  background: var(--yellow);
  box-shadow: 0 0 10px rgba(210, 153, 34, 0.5);
}

/* error / done-with-errors / stale — light red tint + pulsing red line */
.topbar--error {
  background-image: linear-gradient(180deg, rgba(248, 81, 73, 0.17), rgba(248, 81, 73, 0.05) 74%, transparent);
  animation: topbar-error-pulse 2.8s ease-in-out infinite; /* 2 × beat */
}
.topbar--error::before {
  opacity: 1;
  width: 100%;
  transform: none;
  background: var(--red);
  box-shadow: 0 0 12px rgba(248, 81, 73, 0.8);
  animation: topbar-breathe 1.4s ease-in-out infinite; /* 1 × beat (2 per pulse) */
}

@keyframes topbar-sweep {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(218%); }
}
@keyframes topbar-sheen {
  0% { background-position: 125% 0; }
  100% { background-position: -125% 0; }
}
@keyframes topbar-breathe {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 1; }
}
@keyframes topbar-error-pulse {
  0%, 100% { box-shadow: inset 0 0 0 rgba(248, 81, 73, 0); }
  50% { box-shadow: inset 0 0 26px rgba(248, 81, 73, 0.22); }
}
@keyframes topbar-warn-pulse {
  0%, 100% { box-shadow: inset 0 0 0 rgba(210, 153, 34, 0); }
  50% { box-shadow: inset 0 0 22px rgba(210, 153, 34, 0.14); }
}

/* Respect reduced-motion: keep the state visible, drop the movement. */
@media (prefers-reduced-motion: reduce) {
  .topbar,
  .topbar::before,
  .topbar::after { animation: none !important; }
  .topbar--running { background-image: none; }
  .topbar--running::before { opacity: 1; width: 100%; transform: none; background: var(--accent); }
  .topbar--waiting::before { opacity: 1; }
}
.brand { display: flex; align-items: center; gap: 12px; }
.logo {
  display: grid;
  place-items: center;
  width: 34px; height: 34px;
  border-radius: 9px;
  background: linear-gradient(135deg, #1f6feb, #8957e5);
  font-size: 20px;
}
.title { font-weight: 650; letter-spacing: 0.2px; }
.sub { color: var(--muted); font-size: 12px; font-family: var(--mono); }
.spacer { flex: 1; }

.status {
  padding: 5px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  border: 1px solid var(--border);
  background: var(--bg-3);
}
.status.running { color: var(--accent); border-color: #1f6feb55; background: #1f6feb1a; }
.status.paused { color: var(--yellow); border-color: #d2992255; background: #d299221a; }
.status.waiting-answer { color: var(--purple); border-color: #bc8cff55; background: #bc8cff1a; }
.status.done { color: var(--green); border-color: #3fb95055; background: #3fb9501a; }
.status.done-with-errors, .status.error { color: var(--red); border-color: #f8514955; background: #f851491a; }
.status.aborted { color: var(--yellow); border-color: #d2992255; background: #d299221a; }
.status.stopped-budget, .status.stalled, .status.stopped-guard { color: var(--yellow); border-color: #d2992255; background: #d299221a; }
#toggle-shared.hidden { display: none; }

.controls { display: flex; gap: 8px; }
.toggle {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 6px 11px;
  border: 1px solid var(--border);
  border-radius: 7px;
  background: var(--bg-3);
  color: var(--muted);
  font-size: 12px;
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
}
.toggle:hover { border-color: #3a4456; }
.toggle.on { color: var(--accent); border-color: #1f6feb55; background: #1f6feb1a; }
.toggle input { accent-color: var(--accent); margin: 0; }
.toggle input:disabled { cursor: not-allowed; }
.toggle:has(input:disabled) { opacity: 0.5; cursor: not-allowed; }
button {
  font: inherit;
  font-size: 13px;
  color: var(--fg);
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: 7px;
  padding: 7px 12px;
  cursor: pointer;
  transition: background 0.12s, border-color 0.12s;
}
button:hover { background: #232c3a; border-color: #3a4456; }
button.danger { color: #ffb4ae; border-color: #f8514955; }
button.danger:hover { background: #f851491a; }
button.primary { background: #1f6feb; border-color: #1f6feb; color: #fff; }
button.primary:hover { background: #2f7cf6; }
button:disabled { opacity: 0.45; cursor: not-allowed; }
.btn-link {
  display: inline-flex;
  align-items: center;
  font-size: 13px;
  color: var(--fg);
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: 7px;
  padding: 7px 12px;
  text-decoration: none;
}
.btn-link:hover { background: #232c3a; border-color: #3a4456; }
#btn-new-run.hidden { display: none; }

/* ---------- stats ---------- */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 10px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-2);
}
.stat {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 12px;
  min-width: 0;
}
.stat .k { color: var(--muted); font-size: 11px; text-transform: uppercase; letter-spacing: 0.5px; }
.stat .v { font-size: 18px; font-weight: 650; margin-top: 3px; font-family: var(--mono); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.stat .v small { font-size: 12px; color: var(--muted); font-weight: 400; }
.bar { height: 6px; border-radius: 4px; background: #263041; margin-top: 8px; overflow: hidden; }
.bar > i { display: block; height: 100%; background: linear-gradient(90deg, #1f6feb, #8957e5); }

/* ---------- main ---------- */
main {
  flex: 1;
  min-height: 0;
  display: grid;
  grid-template-columns: minmax(360px, 44%) 1fr;
  gap: 14px;
  padding: 14px 18px 18px;
}
.panel {
  min-height: 0;
  display: flex;
  flex-direction: column;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}
.panel h2 {
  margin: 0;
  padding: 12px 14px;
  font-size: 13px;
  font-weight: 600;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--bg-2);
}
.hint { color: var(--muted); font-weight: 400; font-size: 11px; }
.hint b { color: var(--accent); }

/* ---------- stages strip ---------- */
.stages-panel {
  padding: 12px 18px 0;
}
.stages-panel h2 {
  margin: 0 0 8px;
  font-size: 13px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 10px;
}
.stages {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.stage-chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 6px 11px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--bg-3);
  font-size: 12px;
  color: var(--muted);
  max-width: 420px;
}
.stage-chip .n {
  font-family: var(--mono);
  font-size: 11px;
  color: #6e7681;
}
.stage-chip .t {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.stage-chip.done { color: var(--green); border-color: #3fb95055; background: #3fb9501a; }
.stage-chip.current { color: var(--accent); border-color: #1f6feb77; background: #1f6feb1a; }
.stage-verify {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  padding: 1px 6px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--purple);
}

/* ---------- iterations ---------- */
.iterations { overflow-y: auto; padding: 12px; display: flex; flex-direction: column; gap: 10px; }
.iter {
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--bg-3);
  padding: 11px 12px;
}
.iter.running { border-color: #1f6feb88; box-shadow: 0 0 0 1px #1f6feb33 inset; }
.iter.failed { border-color: #f8514977; }
.iter .head { display: flex; align-items: baseline; gap: 8px; }
.iter .num { font-family: var(--mono); color: var(--muted); font-size: 12px; }
.iter .topic { font-weight: 600; flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.badge { font-size: 11px; padding: 2px 8px; border-radius: 999px; border: 1px solid var(--border); color: var(--muted); }
.badge.completed { color: var(--green); border-color: #3fb95055; }
.badge.failed { color: var(--red); border-color: #f8514955; }
.badge.interrupted { color: var(--yellow); border-color: #d2992255; }
.badge.retrying { color: var(--yellow); border-color: #d2992255; }
.badge.running { color: var(--accent); border-color: #1f6feb55; }
.badge.mode { color: #a5b3c4; border-color: #3a4456; }
.vb { font-size: 11px; padding: 2px 8px; border-radius: 999px; border: 1px solid var(--border); }
.vb.ok { color: var(--green); border-color: #3fb95055; }
.vb.bad { color: var(--red); border-color: #f8514955; }
.vb.warn { color: var(--yellow); border-color: #d2992255; }
.iter .actions { margin-top: 8px; display: flex; gap: 8px; }
.iter .actions .revert { font-size: 12px; padding: 4px 10px; color: var(--yellow); border-color: #d2992255; }
.iter .actions .revert:hover { background: #d299221a; }
.iter .meta .sess { color: #6e7681; overflow: hidden; text-overflow: ellipsis; max-width: 220px; }
.iter .meta { display: flex; flex-wrap: wrap; gap: 4px 14px; margin-top: 7px; color: var(--muted); font-size: 12px; font-family: var(--mono); }
.iter .stage { margin-top: 6px; font-size: 12px; }
.iter .stage .lbl { color: var(--muted); }
.iter .summary { margin-top: 7px; color: #c9d1d9; font-size: 12.5px; line-height: 1.45; }
.iter .files { margin-top: 7px; display: flex; flex-wrap: wrap; gap: 5px; }
.chip { font-family: var(--mono); font-size: 11px; background: #202a38; border: 1px solid var(--border); border-radius: 6px; padding: 2px 7px; color: #a5b3c4; }
.iter .bar { margin-top: 8px; }
.qlist { margin: 7px 0 0; padding-left: 16px; color: var(--purple); font-size: 12px; }
.empty { color: var(--muted); padding: 16px; text-align: center; }

/* ---------- log ---------- */
.log {
  flex: 1;
  overflow-y: auto;
  padding: 12px 14px;
  font-family: var(--mono);
  font-size: 12.5px;
  line-height: 1.55;
  white-space: pre-wrap;
  word-break: break-word;
}
.log .line { padding: 1px 0; }
.log .t { color: #4d5866; margin-right: 8px; }
.log .section {
  color: var(--purple);
  font-weight: 650;
  border-top: 1px solid #232c3a;
  margin-top: 8px;
  padding-top: 6px;
}
.log .tool { color: var(--accent); }
.log .metric { color: var(--muted); }
.log .agent { color: #d5dee7; }
.log .reasoning { color: #6e7681; font-style: italic; }
.log .warn { color: var(--yellow); }
.log .error { color: var(--red); }
.log .answer { color: var(--green); }
.log .system { color: #6cb6ff; }
.log .stderr { color: #b98a00; }

/* ---------- modal ---------- */
.modal {
  position: fixed;
  inset: 0;
  background: #000000aa;
  display: grid;
  place-items: center;
  z-index: 50;
  backdrop-filter: blur(2px);
}
.modal.hidden { display: none; }
.modal-card {
  width: min(680px, 92vw);
  max-height: 86vh;
  overflow-y: auto;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 20px 22px;
}
.modal-card h3 { margin: 0 0 4px; }
.muted { color: var(--muted); margin: 0 0 14px; font-size: 12.5px; }
.q { margin-bottom: 14px; }
.q label { display: block; margin-bottom: 6px; font-weight: 550; }
.q .opts { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 6px; }
.q input[type="text"] {
  width: 100%;
  font: inherit;
  font-family: var(--mono);
  font-size: 13px;
  color: var(--fg);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 9px 11px;
}
.q input[type="text"]:focus { outline: none; border-color: var(--accent); }
.modal-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 6px; }

/* ---------- launcher ---------- */
.launcher { padding: 18px; overflow-y: auto; }
.launcher.hidden { display: none; }
.launcher-card {
  max-width: 940px;
  margin: 0 auto;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px 20px 20px;
}
.launcher-card h2 { margin: 0 0 4px; font-size: 15px; }
.launcher-card > .muted { margin: 0 0 16px; }
#run-view { display: flex; flex-direction: column; flex: 1; min-height: 0; }
#run-view.hidden { display: none; }
.field { display: flex; flex-direction: column; gap: 5px; font-size: 12px; color: var(--muted); }
.field > span { text-transform: uppercase; letter-spacing: 0.4px; font-size: 11px; }
.field input,
.field select,
.field textarea {
  font: inherit;
  font-size: 13px;
  color: var(--fg);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 10px;
}
.field input:focus,
.field select:focus,
.field textarea:focus { outline: none; border-color: var(--accent); }
.field textarea {
  font-family: var(--mono);
  font-size: 12.5px;
  resize: vertical;
  min-height: 56px;
}
.prompt-extra { margin-bottom: 16px; }
.field.grow { flex: 1; }
.field.checkbox { flex-direction: row; align-items: center; gap: 7px; }
.field.checkbox span { text-transform: none; font-size: 13px; color: var(--fg); }
.field.checkbox input { width: auto; accent-color: var(--accent); }
.goal-meta { margin: 10px 0 14px; font-size: 12.5px; font-family: var(--mono); }
.goal-actions { display: flex; gap: 8px; align-items: center; margin-bottom: 16px; }
.goal-actions .spacer { flex: 1; }
.verify-global { display: flex; gap: 8px; align-items: flex-end; margin-bottom: 16px; }
.goal-stages { display: flex; flex-direction: column; gap: 8px; margin-bottom: 16px; max-height: 40vh; overflow-y: auto; }
.goal-stage {
  display: flex;
  gap: 10px;
  align-items: center;
  border: 1px solid var(--border);
  border-radius: 9px;
  padding: 8px 10px;
  background: var(--bg-3);
}
.goal-stage.done { border-color: #3fb95055; }
.goal-stage .st-title { flex: 1; min-width: 0; font-size: 13px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.goal-stage .st-state { font-size: 11px; padding: 2px 7px; border-radius: 999px; border: 1px solid var(--border); color: var(--muted); flex: none; }
.goal-stage.done .st-state { color: var(--green); border-color: #3fb95055; }
.goal-stage input {
  flex: 1.2;
  font: inherit;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--fg);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 7px;
  padding: 6px 9px;
}
.goal-stage input:focus { outline: none; border-color: var(--accent); }
.run-options { display: flex; gap: 12px; flex-wrap: wrap; align-items: flex-end; margin-bottom: 16px; }
.run-options .field { min-width: 120px; }
.launcher-actions { display: flex; justify-content: flex-end; gap: 8px; }
.launcher-error { color: var(--red); font-size: 12.5px; margin-top: 10px; min-height: 16px; }

@media (max-width: 980px) {
  .stats { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  main { grid-template-columns: 1fr; }
}