/*
 * Capability issue-thread surface.
 *
 * Package-local implementation of the Paperclip visual language (contract §8):
 * dark default, OKLCH neutral grays, semantic tokens only. Components carry no
 * raw color literals — `pnpm check:browser-tokens` enforces that.
 */

@font-face {
  font-family: "Paperclip Issue Thread Inter";
  src: url("./fonts/inter-latin.woff2") format("woff2");
  font-style: normal;
  font-weight: 400 700;
  font-display: block;
}

@font-face {
  font-family: "Paperclip Issue Thread DejaVu Sans Mono";
  src: url("./fonts/dejavu-sans-mono-latin-400.woff2") format("woff2");
  font-style: normal;
  font-weight: 400;
  font-display: block;
}

@font-face {
  font-family: "Paperclip Issue Thread DejaVu Sans Mono";
  src: url("./fonts/dejavu-sans-mono-latin-700.woff2") format("woff2");
  font-style: normal;
  font-weight: 700;
  font-display: block;
}

/* Inter intentionally omits several status glyphs. Keep those deterministic
   with two tiny, disjoint symbol subsets instead of consulting host fonts. */
@font-face {
  font-family: "Paperclip Issue Thread Symbols";
  src: url("./fonts/dejavu-sans-symbols.woff2") format("woff2");
  font-style: normal;
  font-weight: 400;
  font-display: block;
  unicode-range: U+00A7, U+00B7, U+2013-2014, U+2022, U+2026, U+203A, U+2192,
    U+22EF, U+2304, U+25AC, U+25B2, U+25B6, U+25BC, U+25C6, U+25CB, U+25D0-25D1,
    U+2699, U+26A0, U+2713, U+2715, U+275A;
}

@font-face {
  font-family: "Paperclip Issue Thread Symbols";
  src: url("./fonts/noto-sans-symbols2-hourglass.woff2") format("woff2");
  font-style: normal;
  font-weight: 400;
  font-display: block;
  unicode-range: U+231B, U+23F3, U+FE0E;
}

:root {
  color-scheme: dark;

  /* Neutral ramp */
  --pit-background: oklch(0.17 0.005 285);
  --pit-surface: oklch(0.21 0.006 285);
  --pit-surface-raised: oklch(0.245 0.007 285);
  --pit-surface-sunken: oklch(0.145 0.005 285);
  --pit-border: oklch(0.31 0.008 285);
  --pit-border-strong: oklch(0.42 0.01 285);
  --pit-foreground: oklch(0.95 0.004 285);
  --pit-muted-foreground: oklch(0.72 0.008 285);
  --pit-faint-foreground: oklch(0.64 0.008 285);

  /* Semantic hues — product status table */
  --pit-todo: oklch(0.72 0.13 245);
  --pit-in-progress: oklch(0.7 0.15 275);
  --pit-in-review: oklch(0.72 0.16 300);
  --pit-done: oklch(0.74 0.15 155);
  --pit-blocked: oklch(0.68 0.18 25);
  --pit-neutral: oklch(0.66 0.01 285);

  --pit-accent: oklch(0.7 0.15 275);
  --pit-accent-surface: oklch(0.28 0.05 275);
  --pit-success: oklch(0.74 0.15 155);
  --pit-success-surface: oklch(0.27 0.05 155);
  --pit-warning: oklch(0.8 0.13 80);
  --pit-warning-surface: oklch(0.29 0.05 80);
  --pit-danger: oklch(0.7 0.17 25);
  --pit-danger-surface: oklch(0.28 0.06 25);
  --pit-live: oklch(0.78 0.12 200);
  --pit-live-surface: oklch(0.27 0.05 200);
  --pit-ring: oklch(0.78 0.11 275);

  /* Type ramp */
  --pit-font-sans: "Paperclip Issue Thread Inter", "Paperclip Issue Thread Symbols", "Inter", ui-sans-serif, system-ui, sans-serif;
  --pit-font-mono: "Paperclip Issue Thread DejaVu Sans Mono", "Paperclip Issue Thread Symbols", "DejaVu Sans Mono", ui-monospace, monospace;
  --pit-font-symbols: "Paperclip Issue Thread Symbols";
  --pit-text-xs: 0.75rem;
  --pit-text-sm: 0.875rem;
  --pit-text-base: 1rem;
  --pit-text-xl: 1.25rem;
  --pit-leading-tight: 1.25;
  --pit-leading-normal: 1.55;

  /* Space and shape */
  --pit-space-1: 0.25rem;
  --pit-space-2: 0.5rem;
  --pit-space-3: 0.75rem;
  --pit-space-4: 1rem;
  --pit-space-5: 1.25rem;
  --pit-space-6: 1.5rem;
  --pit-radius-sm: 0.375rem;
  --pit-radius-md: 0.5rem;
  --pit-radius-lg: 0.75rem;
  --pit-shadow-sm: 0 1px 2px oklch(0 0 0 / 0.35);
  --pit-scrim: oklch(0 0 0 / 0.6);
  --pit-thread-measure: 47.5rem;
  --pit-panel-min: 20rem;
  --pit-panel-max: 40rem;
  --pit-touch-target: 2.75rem;
  --pit-motion: 160ms;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

[hidden] {
  /* A layout class must never win over the hidden attribute. */
  display: none !important;
}

html,
body {
  margin: 0;
  padding: 0;
  background: var(--pit-background);
  color: var(--pit-foreground);
}

/*
 * Body carries the type scale, never `html`. Shrinking the root font size
 * would rescale every `rem`, including the 44px touch-target token.
 */
body {
  font-family: var(--pit-font-sans);
  font-variant-emoji: text;
  font-size: var(--pit-text-sm);
  line-height: var(--pit-leading-normal);
}

button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
}

:focus-visible {
  outline: 3px solid var(--pit-ring);
  outline-offset: 2px;
}

/*
 * The app owns the viewport so the thread column scrolls internally and the
 * composer stays pinned to the bottom of the thread column (§2.1).
 */
.pit-app {
  position: relative;
  display: flex;
  flex-direction: column;
  box-sizing: border-box;
  padding-left: 15rem;
  height: 100vh;
  height: 100dvh;
  overflow: hidden;
  background: var(--pit-background);
}

.pit-app[data-eval-view="true"] { padding-left: 0; }

.pit-eval-nav { display: grid; grid-template-columns:auto auto minmax(0,1fr) auto; align-items:center; gap:12px; min-height:var(--pit-touch-target); padding:0 var(--pit-space-4); border-bottom:1px solid var(--pit-border-strong); background:var(--pit-surface-sunken); font-size:var(--pit-text-xs); }
.pit-eval-nav strong { text-align:center; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
.pit-eval-nav a { color:var(--pit-live); white-space:nowrap; }
@media(max-width:800px){.pit-eval-nav{grid-template-columns:auto 1fr auto}.pit-eval-nav>a:not(:first-child),.pit-eval-nav>span{display:none}.pit-eval-nav strong{text-align:left}}

.pit-visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

/* ------------------------------------------------------------- sidebar */

.pit-surface-nav {
  position: absolute;
  inset: 0 auto 0 0;
  z-index: 4;
  display: flex;
  flex-direction: column;
  width: 15rem;
  box-sizing: border-box;
  padding: var(--pit-space-3);
  background: var(--pit-surface-sunken);
  border-right: 1px solid var(--pit-border);
  overflow: hidden;
}

.pit-sidebar-brand {
  display: flex;
  align-items: center;
  gap: var(--pit-space-2);
  min-height: var(--pit-touch-target);
  padding: 0 var(--pit-space-2);
  color: var(--pit-foreground);
  font-weight: 700;
}

.pit-sidebar-brand .pit-icon {
  color: var(--pit-live);
}

.pit-sidebar-primary {
  display: grid;
  gap: var(--pit-space-1);
  padding-bottom: var(--pit-space-4);
  border-bottom: 1px solid var(--pit-border);
}

.pit-surface-link {
  display: flex;
  align-items: center;
  gap: var(--pit-space-2);
  width: 100%;
  box-sizing: border-box;
  min-height: var(--pit-touch-target);
  padding: 0 var(--pit-space-2);
  border: 1px solid transparent;
  border-radius: var(--pit-radius-md);
  background: transparent;
  color: var(--pit-muted-foreground);
  font-size: var(--pit-text-xs);
  text-decoration: none;
  text-align: left;
  cursor: pointer;
}

.pit-surface-link:hover {
  color: var(--pit-foreground);
  border-color: var(--pit-border-strong);
}

.pit-surface-link[aria-current="page"] {
  background: var(--pit-accent-surface);
  border-color: var(--pit-accent);
  color: var(--pit-foreground);
}

.pit-session-history {
  display: flex;
  flex: 1;
  min-height: 0;
  flex-direction: column;
  padding-top: var(--pit-space-4);
}

.pit-session-history h2 {
  margin: 0 0 var(--pit-space-2);
  padding: 0 var(--pit-space-2);
  color: var(--pit-faint-foreground);
  font-size: var(--pit-text-xs);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.pit-session-history-list {
  display: flex;
  flex-direction: column;
  gap: var(--pit-space-1);
  overflow-y: auto;
}

.pit-session-history-item {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  width: 100%;
  padding: var(--pit-space-2);
  border: 1px solid transparent;
  border-radius: var(--pit-radius-md);
  background: transparent;
  color: var(--pit-faint-foreground);
  font-size: var(--pit-text-xs);
  text-align: left;
  cursor: pointer;
}

.pit-session-history-item:hover,
.pit-session-history-item[data-selected="true"] {
  border-color: var(--pit-border);
  background: var(--pit-surface);
}

.pit-session-history-item[data-selected="true"] {
  border-color: var(--pit-accent);
}

.pit-session-history-title {
  overflow: hidden;
  color: var(--pit-foreground);
  font-weight: 600;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* A load failure and the pre-session wait share the centred single-column. */
.pit-app-error {
  display: flex;
  flex: 1;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--pit-space-3);
  max-width: var(--pit-thread-measure);
  padding: var(--pit-space-6) var(--pit-space-4);
}

.pit-muted {
  margin: 0;
  color: var(--pit-muted-foreground);
}

/*
 * The clean-room blank state. It carries the whole explanation of what the
 * surface is, because the thread it replaces is deliberately empty.
 */
.pit-empty-thread {
  display: flex;
  flex-direction: column;
  gap: var(--pit-space-3);
  padding: var(--pit-space-5);
  background: var(--pit-surface);
  border: 1px dashed var(--pit-border-strong);
  border-radius: var(--pit-radius-lg);
}

.pit-empty-thread h2 {
  margin: 0;
  font-size: var(--pit-text-base);
  line-height: var(--pit-leading-tight);
}

.pit-empty-thread p {
  margin: 0;
}

/* ---------------------------------------------------------------- header */

.pit-header {
  position: sticky;
  top: 0;
  z-index: 5;
  flex: none;
  display: flex;
  flex-direction: column;
  gap: var(--pit-space-3);
  padding: var(--pit-space-3) var(--pit-space-4);
  background: var(--pit-surface);
  border-bottom: 1px solid var(--pit-border);
  box-shadow: var(--pit-shadow-sm);
}

.pit-header-primary,
.pit-header-context {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--pit-space-3);
  min-width: 0;
}

.pit-header-context {
  justify-content: flex-start;
}

.pit-header-title-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--pit-space-2);
  min-width: 0;
}

.pit-identifier {
  font-family: var(--pit-font-mono);
  font-size: var(--pit-text-xs);
  color: var(--pit-muted-foreground);
}

.pit-title {
  margin: 0;
  font-size: var(--pit-text-xl);
  font-weight: 700;
  line-height: var(--pit-leading-tight);
  min-width: 0;
}

.pit-icon {
  width: var(--pit-space-4);
  height: var(--pit-space-4);
  flex: none;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.75;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.pit-assignee {
  font-size: var(--pit-text-xs);
  color: var(--pit-muted-foreground);
}

.pit-chip-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--pit-space-2);
  min-width: 0;
}

.pit-chip {
  display: inline-flex;
  align-items: center;
  gap: var(--pit-space-1);
  padding: 0.125rem var(--pit-space-2);
  border: 1px solid var(--pit-border);
  border-radius: var(--pit-radius-sm);
  background: var(--pit-surface-raised);
  color: var(--pit-muted-foreground);
  font-size: var(--pit-text-xs);
  white-space: nowrap;
}

.pit-chip[data-tone="live"] {
  border-color: var(--pit-live);
  background: var(--pit-live-surface);
  color: var(--pit-foreground);
}

.pit-chip[data-tone="mock"] {
  border-color: var(--pit-warning);
  background: var(--pit-warning-surface);
  color: var(--pit-foreground);
}

.pit-chip[data-tone="accent"] {
  border-color: var(--pit-accent);
  background: var(--pit-accent-surface);
  color: var(--pit-foreground);
}

.pit-chip[data-tone="success"] {
  border-color: var(--pit-success);
  background: var(--pit-success-surface);
  color: var(--pit-foreground);
}

.pit-chip[data-tone="danger"] {
  border-color: var(--pit-danger);
  background: var(--pit-danger-surface);
  color: var(--pit-foreground);
}

.pit-process-dot {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--pit-neutral);
  flex: none;
}

.pit-process-dot[data-attached="true"] {
  background: var(--pit-live);
  animation: pit-pulse 1.6s ease-in-out infinite;
}

@keyframes pit-pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.35;
  }
}

.pit-status-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--pit-space-1);
  padding: 0.125rem var(--pit-space-2);
  border-radius: var(--pit-radius-sm);
  border: 1px solid currentColor;
  font-size: var(--pit-text-xs);
  font-weight: 500;
  white-space: nowrap;
}

.pit-status-badge[data-status="todo"] {
  color: var(--pit-todo);
}
.pit-status-badge[data-status="in_progress"] {
  color: var(--pit-in-progress);
}
.pit-status-badge[data-status="in_review"] {
  color: var(--pit-in-review);
}
.pit-status-badge[data-status="done"] {
  color: var(--pit-done);
}
.pit-status-badge[data-status="blocked"] {
  color: var(--pit-blocked);
}
.pit-status-badge[data-status="backlog"],
.pit-status-badge[data-status="cancelled"] {
  color: var(--pit-neutral);
}

.pit-priority {
  font-size: var(--pit-text-xs);
  color: var(--pit-muted-foreground);
  white-space: nowrap;
}

.pit-header-controls {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--pit-space-2);
}

.pit-run-state {
  font-family: var(--pit-font-mono);
  font-size: var(--pit-text-xs);
  color: var(--pit-faint-foreground);
  max-width: 20rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.pit-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--pit-space-1);
  min-height: var(--pit-touch-target);
  padding: 0 var(--pit-space-3);
  border: 1px solid var(--pit-border-strong);
  border-radius: var(--pit-radius-sm);
  background: var(--pit-surface-raised);
  color: var(--pit-foreground);
  font-size: var(--pit-text-xs);
  cursor: pointer;
}

.pit-icon-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: var(--pit-touch-target);
  height: var(--pit-touch-target);
  padding: 0;
  border: 1px solid var(--pit-border-strong);
  border-radius: var(--pit-radius-sm);
  background: var(--pit-surface-raised);
  color: var(--pit-foreground);
  cursor: pointer;
}

.pit-icon-button:hover:not(:disabled) {
  border-color: var(--pit-accent);
  background: var(--pit-accent-surface);
}

.pit-icon-button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.pit-icon-button[data-variant="destructive"] {
  color: var(--pit-danger);
}

.pit-button:hover:not(:disabled) {
  background: var(--pit-surface);
}

.pit-button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.pit-button[data-variant="primary"] {
  background: var(--pit-accent);
  border-color: var(--pit-accent);
  color: var(--pit-surface-sunken);
  font-weight: 600;
}

.pit-button[data-variant="destructive"] {
  border-color: var(--pit-danger);
  color: var(--pit-danger);
}

.pit-select {
  min-height: var(--pit-touch-target);
  padding: 0 var(--pit-space-2);
  border: 1px solid var(--pit-border-strong);
  border-radius: var(--pit-radius-sm);
  background: var(--pit-surface-raised);
  font-size: var(--pit-text-xs);
}

/* ---------------------------------------------------------------- layout */

.pit-body {
  display: flex;
  flex: 1;
  min-height: 0;
  min-width: 0;
  overflow: hidden;
}

.pit-main {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-width: 0;
}

.pit-thread-scroll {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: var(--pit-space-5) var(--pit-space-4);
}

.pit-thread {
  width: 100%;
  max-width: var(--pit-thread-measure);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--pit-space-5);
  min-width: 0;
}

.pit-turn {
  display: flex;
  flex-direction: column;
  gap: var(--pit-space-3);
  min-width: 0;
}

.pit-turn-header {
  display: flex;
  align-items: center;
  gap: var(--pit-space-2);
  font-size: var(--pit-text-xs);
  color: var(--pit-faint-foreground);
  font-family: var(--pit-font-mono);
}

.pit-turn-header::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--pit-border);
}

.pit-stopped-marker {
  color: var(--pit-warning);
  font-family: var(--pit-font-sans);
}

/* ------------------------------------------------------------ thread items */

.pit-card {
  border: 1px solid var(--pit-border);
  border-radius: var(--pit-radius-lg);
  background: var(--pit-surface);
  padding: var(--pit-space-3) var(--pit-space-4);
  box-shadow: var(--pit-shadow-sm);
  min-width: 0;
}

.pit-workspace-card {
  overflow: hidden;
  border: 1px solid var(--pit-border);
  border-radius: var(--pit-radius-lg);
  background: var(--pit-surface);
  box-shadow: var(--pit-shadow-sm);
}

.pit-workspace-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto auto;
  align-items: center;
  gap: var(--pit-space-3);
  padding: var(--pit-space-3) var(--pit-space-4);
  border-bottom: 1px solid var(--pit-border);
}

.pit-workspace-head strong,
.pit-workspace-head small,
.pit-workspace-path small { display: block; }
.pit-workspace-head small,
.pit-workspace-path small,
.pit-workspace-binary { color: var(--pit-muted-foreground); }
.pit-workspace-icon { font-family: var(--pit-font-symbols); font-size: var(--pit-text-xl); }
.pit-workspace-total,
.pit-workspace-stats { display: flex; gap: var(--pit-space-2); font-family: var(--pit-font-mono); }
[data-stat="add"] { color: var(--pit-success); }
[data-stat="delete"] { color: var(--pit-danger); }

.pit-workspace-review,
.pit-workspace-more,
.pit-workspace-files button,
.pit-workspace-file-nav button {
  border: 0;
  background: transparent;
  cursor: pointer;
}

.pit-workspace-review {
  min-height: 2rem;
  padding: 0 var(--pit-space-3);
  border: 1px solid var(--pit-border-strong);
  border-radius: var(--pit-radius-md);
  background: var(--pit-surface-raised);
}

.pit-workspace-files button {
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: space-between;
  gap: var(--pit-space-4);
  min-height: 2.75rem;
  padding: var(--pit-space-2) var(--pit-space-4);
  text-align: left;
}
.pit-workspace-files button:hover,
.pit-workspace-file-nav button:hover,
.pit-workspace-file-nav button[data-selected="true"] { background: var(--pit-surface-raised); }
.pit-workspace-path { min-width: 0; overflow-wrap: anywhere; font-family: var(--pit-font-mono); }
.pit-workspace-path small { font-family: var(--pit-font-sans); }
.pit-workspace-more { width: 100%; padding: var(--pit-space-2) var(--pit-space-4); border-top: 1px solid var(--pit-border); text-align: left; }

.pit-dialog.pit-workspace-dialog {
  width: min(70rem, calc(100vw - 2rem));
  max-width: 70rem;
  max-height: calc(100vh - 2rem);
  padding: 0;
  gap: 0;
  overflow: hidden;
}
.pit-workspace-dialog > .pit-tool-dialog-head { padding: var(--pit-space-4); }
.pit-workspace-file-nav { display: flex; max-height: 9rem; overflow: auto; border-bottom: 1px solid var(--pit-border); }
.pit-workspace-file-nav button { padding: var(--pit-space-2) var(--pit-space-3); white-space: nowrap; font-family: var(--pit-font-mono); }
.pit-workspace-diff { max-height: min(65vh, 44rem); margin: 0; overflow: auto; padding: var(--pit-space-4); background: var(--pit-surface-sunken); font-family: var(--pit-font-mono); font-size: var(--pit-text-xs); line-height: 1.55; }
.pit-workspace-diff span { display: block; min-width: max-content; }
.pit-workspace-diff [data-diff-line="addition"] { color: var(--pit-success); background: var(--pit-success-surface); }
.pit-workspace-diff [data-diff-line="deletion"] { color: var(--pit-danger); background: var(--pit-danger-surface); }
.pit-workspace-diff [data-diff-line="hunk"] { color: var(--pit-accent); }
.pit-workspace-binary { padding: var(--pit-space-4); }

.pit-file-reference-card {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--pit-space-3);
  padding: var(--pit-space-3);
  border: 1px solid var(--pit-border);
  border-radius: var(--pit-radius-lg);
  background: var(--pit-surface);
  box-shadow: var(--pit-shadow-sm);
}
.pit-file-reference-icon { display: grid; place-items: center; width: 2.75rem; height: 2.75rem; border-radius: var(--pit-radius-md); background: var(--pit-surface-raised); font-family: var(--pit-font-symbols); font-size: var(--pit-text-xl); }
.pit-file-reference-copy { min-width: 0; }
.pit-file-reference-copy strong,
.pit-file-reference-copy small { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.pit-file-reference-copy small { color: var(--pit-muted-foreground); }
.pit-dialog.pit-file-reference-dialog { width: min(58rem, calc(100vw - 2rem)); max-width: 58rem; max-height: calc(100vh - 2rem); padding: 0; gap: 0; overflow: hidden; }
.pit-file-reference-dialog > .pit-tool-dialog-head { padding: var(--pit-space-4); border-bottom: 1px solid var(--pit-border); }
.pit-file-reference-preview { overflow: auto; padding: var(--pit-space-4); }
.pit-file-reference-preview > .pit-code { max-height: 65vh; overflow: auto; white-space: pre; }

/*
 * Chat messages follow the familiar assistant flow: the board's message is a
 * compact bubble, while the assistant answer sits directly on the page. The
 * heavier card remains available for durable control-plane records below.
 */
.pit-message {
  min-width: 0;
}

.pit-message[data-role="user"] {
  align-self: flex-end;
  width: fit-content;
  max-width: 85%;
  padding: var(--pit-space-3) var(--pit-space-4);
  border-radius: var(--pit-radius-lg);
  background: var(--pit-surface-raised);
}

.pit-message[data-role="assistant"] {
  padding: var(--pit-space-2) 0;
}

.pit-message .pit-card-head {
  color: var(--pit-muted-foreground);
}

.pit-app[data-surface="chat"] .pit-turn-label,
.pit-app[data-surface="chat"] .pit-turn-header::after {
  display: none;
}

.pit-card-head {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: var(--pit-space-2);
  margin-bottom: var(--pit-space-2);
}

.pit-card-author {
  font-size: var(--pit-text-sm);
  font-weight: 500;
}

.pit-card-meta {
  font-size: var(--pit-text-xs);
  color: var(--pit-muted-foreground);
  font-family: var(--pit-font-mono);
}

.pit-card-body {
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.pit-markdown {
  white-space: normal;
}

.pit-markdown > :first-child { margin-top: 0; }
.pit-markdown > :last-child { margin-bottom: 0; }
.pit-markdown pre,
.pit-markdown code {
  font-family: var(--pit-font-mono);
}
.pit-markdown pre {
  overflow-x: auto;
  padding: var(--pit-space-3);
  border: 1px solid var(--pit-border);
  border-radius: var(--pit-radius-sm);
  background: var(--pit-background);
}
.pit-markdown :not(pre) > code {
  padding: 0.08rem 0.28rem;
  border-radius: var(--pit-radius-sm);
  background: var(--pit-surface-sunken);
}
.pit-markdown blockquote {
  margin-left: 0;
  padding-left: var(--pit-space-3);
  border-left: 2px solid var(--pit-accent);
  color: var(--pit-muted-foreground);
}
.pit-markdown table { border-collapse: collapse; }
.pit-markdown th,
.pit-markdown td { padding: var(--pit-space-2); border: 1px solid var(--pit-border); }

.pit-durable-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--pit-space-1);
  padding: 0.0625rem var(--pit-space-2);
  border-radius: var(--pit-radius-sm);
  background: var(--pit-accent-surface);
  border: 1px solid var(--pit-accent);
  color: var(--pit-foreground);
  font-size: var(--pit-text-xs);
}

.pit-strip {
  border: 1px solid var(--pit-border);
  border-radius: var(--pit-radius-md);
  background: var(--pit-surface-sunken);
  min-width: 0;
}

.pit-strip[data-status="denied"] {
  border-color: var(--pit-danger);
}

.pit-strip-button {
  display: flex;
  align-items: center;
  gap: var(--pit-space-2);
  width: 100%;
  min-height: var(--pit-touch-target);
  padding: var(--pit-space-2) var(--pit-space-3);
  background: none;
  border: 0;
  text-align: left;
  cursor: pointer;
  color: inherit;
  min-width: 0;
}

.pit-strip-glyph {
  font-family: var(--pit-font-mono);
  flex: none;
}

.pit-strip[data-status="ok"] .pit-strip-glyph {
  color: var(--pit-success);
}
.pit-strip[data-status="denied"] .pit-strip-glyph {
  color: var(--pit-danger);
}
.pit-strip[data-status="running"] .pit-strip-glyph {
  color: var(--pit-warning);
}

.pit-strip-operation {
  font-family: var(--pit-font-mono);
  font-size: var(--pit-text-xs);
  flex: none;
}

.pit-strip-summary {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--pit-muted-foreground);
  font-size: var(--pit-text-xs);
}

.pit-strip-caret {
  flex: none;
  color: var(--pit-faint-foreground);
}

.pit-strip-detail {
  padding: 0 var(--pit-space-3) var(--pit-space-3);
  display: flex;
  flex-direction: column;
  gap: var(--pit-space-2);
}

/* Lightweight assistant-style reasoning/tool disclosures. */
.pit-activity-item {
  min-width: 0;
  color: var(--pit-muted-foreground);
}

.pit-activity-summary {
  display: flex;
  align-items: center;
  gap: var(--pit-space-2);
  min-height: var(--pit-touch-target);
  padding: var(--pit-space-1) 0;
  cursor: pointer;
  list-style: none;
}

.pit-activity-summary::-webkit-details-marker {
  display: none;
}

.pit-activity-glyph {
  flex: none;
  width: var(--pit-space-5);
  color: var(--pit-muted-foreground);
  font-family: var(--pit-font-mono);
  text-align: center;
}

.pit-activity-item[data-status="ok"] .pit-activity-glyph,
.pit-activity-item[data-status="complete"] .pit-activity-glyph {
  color: var(--pit-success);
}

.pit-activity-item[data-status="denied"] .pit-activity-glyph {
  color: var(--pit-danger);
}

.pit-activity-item[data-status="running"] .pit-activity-glyph {
  color: var(--pit-live);
  animation: pit-pulse 1.6s ease-in-out infinite;
}

.pit-activity-operation {
  flex: none;
  color: var(--pit-foreground);
  font-family: var(--pit-font-mono);
  font-size: var(--pit-text-xs);
  font-weight: 600;
}

.pit-progress-activity .pit-activity-operation {
  font-family: var(--pit-font-sans);
}

.pit-activity-description {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  color: var(--pit-muted-foreground);
  font-size: var(--pit-text-xs);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.pit-activity-caret {
  flex: none;
  color: var(--pit-faint-foreground);
  transition: transform var(--pit-motion) ease-out;
}

.pit-activity-item[open] > .pit-activity-summary .pit-activity-caret {
  transform: rotate(90deg);
}

.pit-activity-detail {
  display: flex;
  flex-direction: column;
  gap: var(--pit-space-2);
  margin-left: calc(var(--pit-space-5) + var(--pit-space-2));
  padding: 0 0 var(--pit-space-3) var(--pit-space-3);
  border-left: 1px solid var(--pit-border);
  font-size: var(--pit-text-xs);
}

.pit-provider-activity[data-family="plan"] { border-left: 2px solid var(--pit-accent); }
.pit-provider-activity[data-status="failed"] { border-left: 2px solid var(--pit-danger); }
.pit-provider-plan, .pit-provider-tree, .pit-provider-sources { margin: 0 0 12px; padding-left: 22px; display: grid; gap: 8px; }
.pit-provider-plan li { display: grid; grid-template-columns: 18px 1fr; gap: 6px; }
.pit-provider-plan li[data-plan-status="blocked"] { color: var(--pit-danger); }
.pit-provider-tree li { display: grid; grid-template-columns: minmax(100px, 1fr) auto; gap: 4px 12px; }
.pit-provider-tree small { grid-column: 1 / -1; color: var(--pit-muted-foreground); }
.pit-provider-sources li { display: flex; align-items: baseline; gap: 8px; }
.pit-provider-sources small { color: var(--pit-muted-foreground); }
.pit-provider-output { max-height: 260px; overflow: auto; margin: 0 0 12px; padding: 12px; white-space: pre-wrap; background: var(--pit-muted); border-radius: 6px; }
.pit-provider-fields { display: grid; grid-template-columns: min-content 1fr; gap: 6px 12px; margin: 0 0 12px; }
.pit-provider-fields dt { color: var(--pit-muted-foreground); }
.pit-provider-fields dd { margin: 0; overflow-wrap: anywhere; }

.pit-activity-detail p {
  margin: 0;
}

.pit-activity-field {
  display: grid;
  gap: var(--pit-space-1);
}

.pit-activity-field > span {
  color: var(--pit-faint-foreground);
  font-family: var(--pit-font-mono);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.pit-withheld-note {
  color: var(--pit-faint-foreground);
}

.pit-activity-payloads {
  display: grid;
  gap: var(--pit-space-2);
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.pit-code {
  margin: 0;
  padding: var(--pit-space-2);
  border-radius: var(--pit-radius-sm);
  background: var(--pit-background);
  border: 1px solid var(--pit-border);
  font-family: var(--pit-font-mono);
  font-size: var(--pit-text-xs);
  overflow-x: auto;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.pit-more-button {
  align-self: flex-start;
  min-height: var(--pit-touch-target);
  padding: 0 var(--pit-space-2);
  background: none;
  border: 1px dashed var(--pit-border-strong);
  border-radius: var(--pit-radius-sm);
  color: var(--pit-muted-foreground);
  font-size: var(--pit-text-xs);
  cursor: pointer;
}

.pit-notice {
  display: flex;
  align-items: center;
  gap: var(--pit-space-2);
  font-size: var(--pit-text-xs);
  color: var(--pit-faint-foreground);
  min-width: 0;
}

.pit-notice-text {
  min-width: 0;
  overflow-wrap: anywhere;
}

.pit-link-button {
  background: none;
  border: 0;
  padding: 0;
  color: var(--pit-accent);
  text-decoration: underline;
  cursor: pointer;
  font-size: var(--pit-text-xs);
}

.pit-terminal-card {
  border-left: 3px solid var(--pit-done);
}

.pit-denial {
  border-left: 3px solid var(--pit-danger);
}

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

.pit-interaction {
  border: 1px solid var(--pit-border);
  border-left: 3px solid var(--pit-border-strong);
  border-radius: var(--pit-radius-lg);
  background: var(--pit-surface);
  padding: var(--pit-space-4);
  display: flex;
  flex-direction: column;
  gap: var(--pit-space-3);
  min-width: 0;
}

.pit-interaction[data-interaction-state="pending"] {
  border-left-color: var(--pit-accent);
}

.pit-interaction[data-interaction-state="accepted"],
.pit-interaction[data-interaction-state="answered"] {
  border-left-color: var(--pit-success);
}

.pit-interaction[data-interaction-state="rejected"] {
  border-left-color: var(--pit-danger);
}

/*
 * Expired-family cards read as history without a blanket opacity. The contract
 * asks for a 60% dimmed body (§5); a literal opacity drops the card's text to
 * ~3.2:1 and fails the blocking axe gate (§9.7), so the dim is expressed as a
 * recessed surface plus muted text that still clears 4.5:1. Recorded as
 * revision 2 of the contract.
 */
.pit-interaction[data-interaction-state="stale_target"],
.pit-interaction[data-interaction-state="superseded_by_comment"],
.pit-interaction[data-interaction-state="expired"],
.pit-interaction[data-interaction-state="withdrawn"],
.pit-interaction[data-interaction-state="issue_closed"] {
  border-left-color: var(--pit-neutral);
  background: var(--pit-surface-sunken);
  color: var(--pit-muted-foreground);
}

.pit-interaction[data-interaction-state="stale_target"] .pit-card-meta,
.pit-interaction[data-interaction-state="superseded_by_comment"] .pit-card-meta,
.pit-interaction[data-interaction-state="expired"] .pit-card-meta,
.pit-interaction[data-interaction-state="withdrawn"] .pit-card-meta,
.pit-interaction[data-interaction-state="issue_closed"] .pit-card-meta,
.pit-interaction[data-interaction-state="stale_target"] .pit-quote,
.pit-interaction[data-interaction-state="superseded_by_comment"] .pit-quote,
.pit-interaction[data-interaction-state="expired"] .pit-quote,
.pit-interaction[data-interaction-state="withdrawn"] .pit-quote,
.pit-interaction[data-interaction-state="issue_closed"] .pit-quote {
  color: var(--pit-muted-foreground);
}

.pit-interaction-title {
  margin: 0;
  font-size: var(--pit-text-sm);
  font-weight: 600;
}

.pit-interaction-controls {
  display: flex;
  flex-direction: column;
  gap: var(--pit-space-3);
}

.pit-field {
  display: flex;
  flex-direction: column;
  gap: var(--pit-space-1);
  min-width: 0;
}

.pit-field-label {
  font-size: var(--pit-text-sm);
  font-weight: 500;
}

.pit-option-row {
  display: flex;
  align-items: center;
  gap: var(--pit-space-2);
  min-height: var(--pit-touch-target);
}

.pit-input,
.pit-textarea {
  width: 100%;
  min-height: var(--pit-touch-target);
  padding: var(--pit-space-2);
  border: 1px solid var(--pit-border-strong);
  border-radius: var(--pit-radius-sm);
  background: var(--pit-surface-sunken);
  color: var(--pit-foreground);
}

.pit-textarea {
  min-height: 4rem;
  resize: vertical;
}

.pit-button-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--pit-space-2);
}

.pit-summary-list {
  margin: 0;
  padding-left: var(--pit-space-5);
  color: var(--pit-muted-foreground);
  font-size: var(--pit-text-xs);
}

.pit-quote {
  margin: 0;
  padding-left: var(--pit-space-3);
  border-left: 2px solid var(--pit-border-strong);
  color: var(--pit-muted-foreground);
}

.pit-segmented-verdicts {
  display: flex;
  flex-wrap: wrap;
  gap: var(--pit-space-2);
  align-items: center;
}

/* ------------------------------------------------------------- composer */

.pit-composer {
  border-top: 1px solid var(--pit-border);
  background: var(--pit-surface);
  padding: var(--pit-space-3) var(--pit-space-4)
    calc(var(--pit-space-3) + env(safe-area-inset-bottom, 0px));
}

.pit-composer-inner {
  width: 100%;
  max-width: var(--pit-thread-measure);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--pit-space-2);
  min-width: 0;
}

.pit-composer-row {
  display: flex;
  gap: var(--pit-space-2);
  align-items: flex-end;
  min-width: 0;
}

.pit-composer-input {
  flex: 1;
  min-width: 0;
  min-height: var(--pit-touch-target);
  padding: var(--pit-space-2);
  border: 1px solid var(--pit-border-strong);
  border-radius: var(--pit-radius-md);
  background: var(--pit-surface-sunken);
  color: var(--pit-foreground);
  resize: none;
}

.pit-composer-helper {
  font-size: var(--pit-text-xs);
  color: var(--pit-muted-foreground);
}

.pit-composer-reason {
  font-size: var(--pit-text-xs);
  color: var(--pit-warning);
}

.pit-banner {
  display: flex;
  align-items: center;
  gap: var(--pit-space-2);
  padding: var(--pit-space-2) var(--pit-space-4);
  background: var(--pit-warning-surface);
  border-bottom: 1px solid var(--pit-warning);
  color: var(--pit-foreground);
  font-size: var(--pit-text-xs);
  animation: pit-slide var(--pit-motion) ease-out;
}

.pit-banner[data-tone="success"] {
  background: var(--pit-success-surface);
  border-bottom-color: var(--pit-success);
}

.pit-banner[data-tone="danger"] {
  background: var(--pit-danger-surface);
  border-bottom-color: var(--pit-danger);
}

.pit-eval-summary {
  border-block: 1px solid color-mix(in oklch, var(--pit-success) 45%, var(--pit-border));
  background: color-mix(in oklch, var(--pit-success) 10%, var(--pit-surface-sunken));
  padding: 10px 20px;
}

.pit-eval-summary[data-passed="false"] {
  border-color: color-mix(in oklch, var(--pit-danger) 45%, var(--pit-border));
  background: color-mix(in oklch, var(--pit-danger) 10%, var(--pit-surface-sunken));
}

.pit-eval-summary-head,
.pit-eval-checks {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px 14px;
}

.pit-eval-summary-head code { color: var(--pit-muted); }
.pit-eval-checks { margin-top: 8px; }
.pit-eval-checks span { padding: 3px 8px; border-radius: 999px; background: var(--pit-surface-raised); }
.pit-eval-checks span[data-passed="true"] { color: var(--pit-success); }
.pit-eval-checks span[data-passed="false"] { color: var(--pit-danger); }

.pit-eval-run-facts {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 8px;
  margin: 10px 0 0;
}
.pit-eval-run-facts div { min-width: 0; }
.pit-eval-run-facts dt { color: var(--pit-muted-foreground); font-size: var(--pit-text-xs); }
.pit-eval-run-facts dd { margin: 2px 0 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-family: var(--pit-font-mono); font-size: var(--pit-text-xs); }
.pit-eval-boundary { display: grid; gap: 3px; margin: 14px 0; padding: 10px 12px; border-block: 1px solid var(--pit-border-strong); background: var(--pit-surface-sunken); }
.pit-eval-boundary[data-phase="execution"] { display: flex; margin: 4px 0; padding: 7px 0; border: 0; border-top: 2px solid var(--pit-live); background: transparent; color: var(--pit-live); }
.pit-eval-boundary[data-phase="post-run"] { border-color: var(--pit-accent); }
.pit-eval-boundary span { color: var(--pit-muted-foreground); font-family: var(--pit-font-mono); font-size: var(--pit-text-xs); overflow-wrap: anywhere; }
.pit-eval-item { display: contents; }
.pit-inline-assertions { display: grid; gap: 6px; margin: 6px 0 12px; }
.pit-inline-assertions > button { display: flex; align-items: baseline; gap: 10px; width: 100%; padding: 7px 10px; border: 0; border-left: 3px solid var(--pit-danger); background: var(--pit-danger-surface); color: inherit; text-align: left; cursor: pointer; font-size: var(--pit-text-xs); }
.pit-inline-assertions > button[data-passed="true"] { border-left-color: var(--pit-success); background: var(--pit-success-surface); }
.pit-inline-assertions > button strong { color: var(--pit-danger); white-space: nowrap; }
.pit-inline-assertions > button[data-passed="true"] strong { color: var(--pit-success); }
.pit-inline-assertions > button span { color: var(--pit-muted-foreground); }
.pit-inline-assertions > button:hover { filter: brightness(1.12); }
.pit-eval-inspector .pit-eval-run-facts { grid-template-columns: minmax(0, 1fr); }
.pit-eval-inspector .pit-eval-run-facts dd { white-space: normal; overflow-wrap: anywhere; }
.pit-eval-check-dialog { width: min(42rem, 100%); }
.pit-eval-check-dialog .pit-code { max-height: 22rem; overflow: auto; }
@media(max-width:900px){.pit-eval-run-facts{grid-template-columns:repeat(2,minmax(0,1fr))}}

@keyframes pit-slide {
  from {
    transform: translateY(-0.5rem);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.pit-jump-pill {
  position: absolute;
  left: 50%;
  bottom: var(--pit-space-4);
  transform: translateX(-50%);
  z-index: 4;
}

.pit-main-inner {
  position: relative;
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 0;
  min-width: 0;
}

/* -------------------------------------------------------- evidence panel */

.pit-splitter {
  position: relative;
  width: var(--pit-space-2);
  flex: none;
  cursor: col-resize;
  touch-action: none;
  background: var(--pit-surface-sunken);
  border: 0;
  padding: 0;
}

.pit-splitter::after {
  content: "";
  position: absolute;
  inset: 0 auto 0 50%;
  width: 1px;
  background: var(--pit-border-strong);
}

.pit-splitter:hover::after,
.pit-splitter:focus-visible::after {
  width: var(--pit-space-1);
  transform: translateX(-50%);
  background: var(--pit-accent);
}

.pit-panel {
  flex: none;
  display: flex;
  flex-direction: column;
  min-width: 0;
  border-left: 1px solid var(--pit-border);
  background: var(--pit-surface-sunken);
  overflow-y: auto;
}

.pit-panel-chrome {
  position: sticky;
  top: 0;
  background: var(--pit-surface-sunken);
  border-bottom: 1px solid var(--pit-border);
  padding: var(--pit-space-2) var(--pit-space-3);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--pit-space-2);
  z-index: 3;
}

.pit-panel-kicker,
.pit-devtools-brand {
  display: inline-flex;
  align-items: center;
  gap: var(--pit-space-2);
  color: var(--pit-muted-foreground);
  font-family: var(--pit-font-mono);
  font-size: var(--pit-text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.pit-panel-title {
  margin: 0;
  font-size: var(--pit-text-sm);
  font-weight: 600;
}

.pit-section {
  border-bottom: 1px solid var(--pit-border);
}

.pit-section-button {
  display: flex;
  align-items: center;
  gap: var(--pit-space-2);
  width: 100%;
  min-height: var(--pit-touch-target);
  padding: var(--pit-space-2) var(--pit-space-3);
  background: none;
  border: 0;
  color: inherit;
  text-align: left;
  cursor: pointer;
  font-size: var(--pit-text-sm);
  font-weight: 500;
}

.pit-section-count {
  margin-left: auto;
  font-family: var(--pit-font-mono);
  font-size: var(--pit-text-xs);
  color: var(--pit-muted-foreground);
}

.pit-section-body {
  padding: 0 var(--pit-space-3) var(--pit-space-3);
  display: flex;
  flex-direction: column;
  gap: var(--pit-space-2);
  min-width: 0;
}

.pit-record {
  border: 1px solid var(--pit-border);
  border-radius: var(--pit-radius-sm);
  background: var(--pit-surface);
  padding: var(--pit-space-2);
  font-size: var(--pit-text-xs);
  display: flex;
  flex-direction: column;
  gap: var(--pit-space-1);
  min-width: 0;
}

.pit-record[data-highlighted="true"] {
  border-color: var(--pit-accent);
}

.pit-record[data-allowed="false"] {
  border-left: 3px solid var(--pit-danger);
}

.pit-record-title {
  font-family: var(--pit-font-mono);
  overflow-wrap: anywhere;
}

.pit-record-detail {
  color: var(--pit-muted-foreground);
  overflow-wrap: anywhere;
}

.pit-runner-event,
.pit-runner-group {
  min-width: 0;
  border: 1px solid var(--pit-border);
  border-radius: var(--pit-radius-sm);
  background: var(--pit-surface);
  font-size: var(--pit-text-xs);
}

.pit-runner-event-summary,
.pit-runner-group-summary {
  display: flex;
  align-items: center;
  gap: var(--pit-space-2);
  min-height: var(--pit-touch-target);
  padding: var(--pit-space-2);
  cursor: pointer;
  list-style: none;
  min-width: 0;
}

.pit-runner-event-summary::-webkit-details-marker,
.pit-runner-group-summary::-webkit-details-marker {
  display: none;
}

.pit-runner-event-summary .pit-record-detail,
.pit-runner-group-summary .pit-record-detail {
  flex: 1;
  min-width: 0;
}

.pit-runner-event[open] > .pit-runner-event-summary .pit-activity-caret,
.pit-runner-group[open] > .pit-runner-group-summary .pit-activity-caret {
  transform: rotate(90deg);
}

.pit-runner-event-details {
  display: grid;
  gap: var(--pit-space-2);
  margin: 0;
  padding: 0 var(--pit-space-2) var(--pit-space-2);
}

.pit-runner-event-details > div {
  display: grid;
  grid-template-columns: minmax(0, 7rem) minmax(0, 1fr);
  gap: var(--pit-space-2);
}

.pit-runner-event-details dt,
.pit-runner-event-details dd {
  margin: 0;
  overflow-wrap: anywhere;
}

.pit-runner-event-details dt {
  color: var(--pit-faint-foreground);
}

.pit-runner-event-details dd {
  color: var(--pit-muted-foreground);
  font-family: var(--pit-font-mono);
}

.pit-runner-group-events {
  display: grid;
  gap: var(--pit-space-2);
  padding: 0 var(--pit-space-2) var(--pit-space-2);
}

.pit-runner-group-events .pit-runner-event {
  background: var(--pit-surface-sunken);
}

.pit-tool-groups {
  display: grid;
  gap: var(--pit-space-5);
  padding: var(--pit-space-3);
}

.pit-tool-group h4 {
  margin: 0;
}

.pit-tool-group-toggle {
  display: flex;
  align-items: center;
  gap: var(--pit-space-2);
  width: 100%;
  min-height: var(--pit-touch-target);
  padding: 0;
  border: 0;
  border-bottom: 1px solid var(--pit-border);
  background: transparent;
  color: var(--pit-foreground);
  font-size: var(--pit-text-sm);
  font-weight: 700;
  text-align: left;
  cursor: pointer;
}

.pit-tool-group[data-group="control_plane_owned"] .pit-tool-group-toggle {
  color: var(--pit-faint-foreground);
}

.pit-tool-group-rows {
  display: grid;
  padding-top: var(--pit-space-2);
}

.pit-tool-row {
  display: grid;
  grid-template-columns: minmax(9rem, 0.55fr) minmax(0, 1fr) auto auto;
  gap: var(--pit-space-2);
  align-items: center;
  width: 100%;
  min-height: var(--pit-touch-target);
  padding: var(--pit-space-2);
  border: 0;
  border-bottom: 1px solid var(--pit-border);
  background: transparent;
  color: inherit;
  font-size: var(--pit-text-xs);
  text-align: left;
  min-width: 0;
  cursor: pointer;
}

.pit-tool-row:hover,
.pit-tool-row:focus-visible {
  background: var(--pit-accent-surface);
}

.pit-tool-row[data-disposition="control_plane_owned"] {
  color: var(--pit-faint-foreground);
}

.pit-grant {
  font-family: var(--pit-font-mono);
  color: var(--pit-muted-foreground);
  overflow-wrap: anywhere;
}

.pit-tool-row-description {
  color: var(--pit-muted-foreground);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.pit-tool-dialog {
  width: min(74rem, calc(100vw - (2 * var(--pit-space-6))));
  max-height: calc(100vh - var(--pit-space-6));
  overflow: auto;
}

.pit-tool-dialog[data-invokable="false"] {
  width: min(44rem, calc(100vw - (2 * var(--pit-space-6))));
}

.pit-tool-dialog-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--pit-space-3);
}

.pit-tool-dialog-head h2,
.pit-tool-schema-title {
  margin: 0;
}

.pit-tool-dialog-grid {
  display: grid;
  grid-template-columns: minmax(20rem, 0.9fr) minmax(24rem, 1.1fr);
  align-items: start;
  gap: var(--pit-space-5);
  min-width: 0;
}

.pit-tool-dialog-grid[data-invokable="false"] {
  grid-template-columns: minmax(0, 1fr);
}

.pit-tool-reference {
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: var(--pit-space-3);
}

.pit-tool-reference > p {
  margin: 0;
}

.pit-tool-operation {
  align-self: flex-start;
  padding: var(--pit-space-1) var(--pit-space-2);
  border: 1px solid var(--pit-live);
  border-radius: var(--pit-radius-sm);
  background: var(--pit-live-surface);
  color: var(--pit-foreground);
}

.pit-tool-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--pit-space-3);
  margin: 0;
}

.pit-tool-facts div {
  padding: var(--pit-space-2);
  border: 1px solid var(--pit-border);
  border-radius: var(--pit-radius-sm);
}

.pit-tool-facts dt {
  color: var(--pit-muted-foreground);
  font-size: var(--pit-text-xs);
}

.pit-tool-facts dd {
  margin: var(--pit-space-1) 0 0;
  overflow-wrap: anywhere;
}

.pit-tool-tester {
  display: flex;
  flex-direction: column;
  gap: var(--pit-space-2);
  min-width: 0;
  padding-left: var(--pit-space-5);
  border-left: 1px solid var(--pit-border-strong);
}

.pit-tool-tester > p {
  margin: 0;
}

.pit-tool-tester > .pit-code {
  max-height: 24rem;
  overflow: auto;
}

.pit-tool-test-input {
  box-sizing: border-box;
  width: 100%;
  min-height: 10rem;
  resize: vertical;
  padding: var(--pit-space-3);
  border: 1px solid var(--pit-border-strong);
  border-radius: var(--pit-radius-sm);
  background: var(--pit-background);
  color: var(--pit-foreground);
  font-family: var(--pit-font-mono);
  font-size: var(--pit-text-xs);
}

@media (max-width: 900px) {
  .pit-tool-dialog {
    width: min(44rem, calc(100vw - (2 * var(--pit-space-3))));
  }

  .pit-tool-dialog-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .pit-tool-tester {
    padding-top: var(--pit-space-4);
    padding-left: 0;
    border-top: 1px solid var(--pit-border-strong);
    border-left: 0;
  }
}

.pit-verdict {
  display: inline-flex;
  align-items: center;
  gap: var(--pit-space-1);
  font-size: var(--pit-text-xs);
}

.pit-verdict[data-verdict="pass"] {
  color: var(--pit-success);
}
.pit-verdict[data-verdict="fail"] {
  color: var(--pit-danger);
}
.pit-verdict[data-verdict="intentional_gap"] {
  color: var(--pit-neutral);
}

.pit-diff-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pit-space-1);
}

/* ------------------------------------------------------------- dialog */

.pit-dialog-backdrop {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--pit-space-4);
  background: var(--pit-scrim);
}

.pit-dialog {
  width: min(28rem, 100%);
  border: 1px solid var(--pit-border-strong);
  border-radius: var(--pit-radius-lg);
  background: var(--pit-surface);
  padding: var(--pit-space-5);
  display: flex;
  flex-direction: column;
  gap: var(--pit-space-3);
}

.pit-dialog-title {
  margin: 0;
  font-size: var(--pit-text-base);
  font-weight: 600;
}

.pit-menu {
  position: relative;
}

.pit-menu-list {
  position: absolute;
  right: 0;
  top: calc(100% + var(--pit-space-1));
  z-index: 10;
  min-width: 12rem;
  border: 1px solid var(--pit-border-strong);
  border-radius: var(--pit-radius-md);
  background: var(--pit-surface-raised);
  box-shadow: var(--pit-shadow-sm);
  padding: var(--pit-space-1);
  display: flex;
  flex-direction: column;
}

.pit-menu-item {
  min-height: var(--pit-touch-target);
  padding: 0 var(--pit-space-3);
  background: none;
  border: 0;
  border-radius: var(--pit-radius-sm);
  color: inherit;
  text-align: left;
  cursor: pointer;
  font-size: var(--pit-text-sm);
}

.pit-menu-item:hover {
  background: var(--pit-surface);
}

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

.pit-replay-strip {
  display: flex;
  align-items: center;
  gap: var(--pit-space-2);
  padding: var(--pit-space-2) var(--pit-space-4);
  border-bottom: 1px solid var(--pit-border);
  background: var(--pit-surface-raised);
  font-size: var(--pit-text-xs);
}

.pit-progress {
  flex: 1;
  height: 0.25rem;
  border-radius: var(--pit-radius-sm);
  background: var(--pit-border);
  overflow: hidden;
  min-width: 0;
}

.pit-progress-fill {
  height: 100%;
  background: var(--pit-accent);
}

/* --------------------------------------------------------- mobile rules */

.pit-segmented {
  display: none;
}

/*
 * §2.2: on mobile the header condenses to identifier + status + `⋯`, and
 * Scenario/Replay/Reset move inside the overflow menu. Stop stays outside it.
 */
.pit-mobile-only {
  display: none;
}

@media (max-width: 1100px) {
  .pit-panel[data-layout="overlay"] {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    z-index: 15;
    width: min(28rem, 100vw);
    box-shadow: var(--pit-shadow-sm);
  }

  .pit-splitter {
    display: none;
  }
}

@media (max-width: 767px) {
  .pit-app {
    padding-left: 0;
  }

  .pit-surface-nav {
    position: static;
    width: auto;
    flex: none;
    padding: var(--pit-space-1) var(--pit-space-2);
    border-right: 0;
    border-bottom: 1px solid var(--pit-border);
  }

  .pit-sidebar-brand,
  .pit-session-history {
    display: none;
  }

  .pit-sidebar-primary {
    display: flex;
    gap: var(--pit-space-1);
    padding: 0;
    border: 0;
  }

  .pit-surface-link {
    width: auto;
  }

  .pit-desktop-only {
    display: none;
  }

  .pit-mobile-only {
    display: block;
  }

  .pit-segmented {
    display: flex;
    gap: var(--pit-space-1);
    padding: var(--pit-space-1);
    border: 1px solid var(--pit-border);
    border-radius: var(--pit-radius-md);
    background: var(--pit-surface-sunken);
  }

  .pit-segment {
    flex: 1;
    min-height: var(--pit-touch-target);
    background: none;
    border: 0;
    border-radius: var(--pit-radius-sm);
    color: var(--pit-muted-foreground);
    cursor: pointer;
    font-size: var(--pit-text-xs);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--pit-space-1);
  }

  .pit-segment[aria-selected="true"] {
    background: var(--pit-surface-raised);
    color: var(--pit-foreground);
    font-weight: 600;
  }

  .pit-segment-badge {
    min-width: 1.25rem;
    padding: 0 var(--pit-space-1);
    border-radius: var(--pit-radius-sm);
    background: var(--pit-danger-surface);
    border: 1px solid var(--pit-danger);
    color: var(--pit-foreground);
  }

  .pit-panel[data-layout="segment"] {
    position: static;
    width: 100%;
    border-left: 0;
    box-shadow: none;
  }

  .pit-link-button {
    display: inline-flex;
    align-items: center;
    min-height: var(--pit-touch-target);
  }

  .pit-title {
    font-size: var(--pit-text-base);
  }

  .pit-thread-scroll {
    padding: var(--pit-space-4) var(--pit-space-3);
  }

  .pit-message[data-role="user"] {
    max-width: 92%;
  }

  .pit-activity-payloads {
    grid-template-columns: minmax(0, 1fr);
  }

  .pit-activity-description {
    white-space: normal;
  }

  /*
   * Three transport controls plus a progress bar do not fit on one 390px row —
   * squeezing them leaves the bar as an unreadable stub. Wrap so the bar keeps
   * the full width on its own line, below the label and buttons.
   */
  .pit-replay-strip {
    flex-wrap: wrap;
    padding: var(--pit-space-2) var(--pit-space-3);
  }

  .pit-replay-strip .pit-progress {
    order: 1;
    flex-basis: 100%;
  }
}

.pit-devtools {
  padding: 0;
  border-bottom: 1px solid var(--pit-border);
  background: var(--pit-surface-sunken);
}

.pit-devtools-loading,
.pit-evidence-heading {
  margin: var(--pit-space-3);
}

.pit-devtools-toolbar,
.pit-devtools-tabs {
  display: flex;
  align-items: center;
  gap: var(--pit-space-2);
  flex-wrap: wrap;
}

.pit-devtools-toolbar {
  padding: var(--pit-space-3);
}

.pit-devtools-tabs {
  gap: 0;
  flex-wrap: nowrap;
  overflow-x: auto;
  margin: 0;
  padding: 0 var(--pit-space-2);
  border-top: 1px solid var(--pit-border);
  border-bottom: 1px solid var(--pit-border-strong);
  background: var(--pit-surface);
}

.pit-input {
  min-height: var(--pit-touch-target);
  min-width: 0;
  flex: 1;
  border: 1px solid var(--pit-border);
  border-radius: var(--pit-radius-sm);
  background: var(--pit-surface);
  padding: 0 var(--pit-space-3);
}

.pit-tab {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  min-height: var(--pit-touch-target);
  line-height: 1;
  gap: var(--pit-space-2);
  border: 0;
  border-bottom: var(--pit-space-1) solid transparent;
  border-radius: 0;
  background: transparent;
  padding: 0 var(--pit-space-3);
  color: var(--pit-muted-foreground);
  white-space: nowrap;
  cursor: pointer;
}

.pit-tab[aria-selected="true"] {
  border-bottom-color: var(--pit-accent);
  background: var(--pit-accent-surface);
  color: var(--pit-foreground);
  font-weight: 600;
}

.pit-tab-glyph {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: var(--pit-space-4);
  height: var(--pit-space-4);
  color: var(--pit-live);
}

.pit-devtools-list {
  display: grid;
  gap: var(--pit-space-2);
  padding: var(--pit-space-3);
}

.pit-devtools-pane {
  padding: var(--pit-space-3);
}

.pit-devtools-event {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: var(--pit-space-2);
  align-items: center;
  width: 100%;
  min-height: var(--pit-touch-target);
  border: 1px solid var(--pit-border);
  border-radius: var(--pit-radius-sm);
  background: var(--pit-surface);
  padding: var(--pit-space-2);
  text-align: left;
  cursor: pointer;
}

.pit-devtools-event[data-selected="true"] {
  border-color: var(--pit-accent);
  background: var(--pit-accent-surface);
}

.pit-json-node {
  font-family: var(--pit-font-mono);
  font-size: var(--pit-text-xs);
  overflow-wrap: anywhere;
}

.pit-json-node summary {
  cursor: pointer;
  min-height: var(--pit-space-6);
}

.pit-json-children {
  margin-left: var(--pit-space-3);
  padding-left: var(--pit-space-2);
  border-left: 1px solid var(--pit-border);
}

.pit-json-row {
  display: grid;
  grid-template-columns: minmax(5rem, auto) minmax(0, 1fr);
  gap: var(--pit-space-2);
}

.pit-json-key {
  color: var(--pit-live);
}

.pit-json-value {
  white-space: pre-wrap;
}

.pit-diff-row {
  display: grid;
  gap: var(--pit-space-1);
  padding: var(--pit-space-2) 0;
  border-bottom: 1px solid var(--pit-border);
  font-family: var(--pit-font-mono);
  font-size: var(--pit-text-xs);
  overflow-wrap: anywhere;
}

.pit-evidence-filter {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--pit-space-3);
  padding: var(--pit-space-3);
  border-top: 1px solid var(--pit-border);
  border-bottom: 1px solid var(--pit-border);
  background: var(--pit-surface);
}

.pit-evidence-filter .pit-select {
  flex: 1;
}

.pit-document-browser {
  display: grid;
  grid-template-columns: minmax(10rem, 0.35fr) minmax(0, 1fr);
  min-height: 20rem;
}

.pit-document-sidebar {
  border-right: 1px solid var(--pit-border);
  background: var(--pit-surface);
}

.pit-document-sidebar button {
  display: grid;
  width: 100%;
  gap: var(--pit-space-1);
  padding: var(--pit-space-3);
  border: 0;
  border-bottom: 1px solid var(--pit-border);
  background: transparent;
  color: inherit;
  text-align: left;
  cursor: pointer;
}

.pit-document-sidebar button[data-selected="true"] {
  border-left: var(--pit-space-1) solid var(--pit-accent);
  background: var(--pit-accent-surface);
}

.pit-document-sidebar span,
.pit-document-sidebar small {
  color: var(--pit-muted-foreground);
}

.pit-document-viewer {
  min-width: 0;
  background: var(--pit-surface-sunken);
}

.pit-document-viewer header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--pit-space-3);
  padding: var(--pit-space-3);
  border-bottom: 1px solid var(--pit-border);
}

.pit-document-viewer h4,
.pit-document-summary {
  margin: 0;
}

.pit-document-summary {
  padding: var(--pit-space-2) var(--pit-space-3);
  color: var(--pit-muted-foreground);
  border-bottom: 1px solid var(--pit-border);
}

.pit-document-body {
  margin: 0;
  padding: var(--pit-space-4);
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  font-family: var(--pit-font-mono);
  font-size: var(--pit-text-xs);
  line-height: var(--pit-leading-relaxed);
}

.pit-devtools-empty {
  display: grid;
  place-items: center;
  padding: var(--pit-space-6);
  color: var(--pit-muted-foreground);
  text-align: center;
}

.pit-devtools-empty > span {
  font-size: var(--pit-text-xl);
}

.pit-live-activity {
  display: flex;
  align-items: center;
  gap: var(--pit-space-2);
  min-height: var(--pit-touch-target);
  padding: 0 var(--pit-space-4);
  border-bottom: 1px solid var(--pit-live);
  background: var(--pit-live-surface);
  color: var(--pit-foreground);
  font-family: var(--pit-font-mono);
  font-size: var(--pit-text-xs);
}

.pit-live-activity-pulse {
  width: var(--pit-space-2);
  height: var(--pit-space-2);
  border-radius: 50%;
  background: var(--pit-live);
  animation: pit-pulse 0.8s ease-in-out infinite;
}

.pit-live-activity-tail {
  margin-left: auto;
  color: var(--pit-live);
  text-transform: uppercase;
}

.pit-harness-picker {
  display: flex;
  align-items: end;
  gap: var(--pit-space-3);
  padding: var(--pit-space-2) var(--pit-space-4);
  border-bottom: 1px solid var(--pit-border);
  background: var(--pit-surface-sunken);
}

.pit-harness-picker label {
  display: grid;
  gap: var(--pit-space-1);
  color: var(--pit-muted-foreground);
  font-size: var(--pit-text-xs);
}

.pit-harness-picker select,
.pit-harness-picker input {
  box-sizing: border-box;
  min-height: var(--pit-touch-target);
  padding: 0 var(--pit-space-2);
  border: 1px solid var(--pit-border-strong);
  border-radius: var(--pit-radius-sm);
  background: var(--pit-surface-raised);
}

.pit-harness-model {
  flex: 1;
  max-width: 38rem;
}

.pit-harness-active {
  align-self: center;
  min-width: 0;
  overflow: hidden;
  color: var(--pit-faint-foreground);
  font-family: var(--pit-font-mono);
  font-size: var(--pit-text-xs);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.pit-harness-notice {
  flex-basis: 100%;
  margin: 0;
  color: var(--pit-faint-foreground);
  font-size: var(--pit-text-xs);
  line-height: 1.4;
}

.pit-managed-session-actions {
  display: flex;
  align-items: end;
  gap: 8px;
  flex-wrap: wrap;
  padding-left: 8px;
  border-left: 1px solid var(--pit-border);
}

.pit-managed-session-actions label {
  display: grid;
  gap: 4px;
}

.pit-managed-session-actions label > span {
  color: var(--pit-muted-foreground);
  font-size: 11px;
}

.pit-managed-session-actions input {
  width: 118px;
}

@media (max-width: 767px) {
  .pit-harness-picker {
    align-items: stretch;
    flex-wrap: wrap;
  }

  .pit-harness-model {
    min-width: 12rem;
  }

  .pit-harness-active {
    flex-basis: 100%;
  }

  .pit-header-primary {
    align-items: flex-start;
  }

  .pit-header-title-row {
    flex: 1;
  }

  .pit-header-context .pit-priority,
  .pit-header-context .pit-assignee,
  .pit-header-context .pit-run-state,
  .pit-chip-row .pit-chip:not([data-testid="agent-chip"]) {
    display: none;
  }

  .pit-document-browser {
    grid-template-columns: minmax(0, 1fr);
  }

  .pit-document-sidebar {
    border-right: 0;
    border-bottom: 1px solid var(--pit-border);
  }

  .pit-tool-row {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .pit-tool-row-description {
    grid-column: 1 / -1;
    white-space: normal;
  }

  .pit-tool-facts {
    grid-template-columns: minmax(0, 1fr);
  }
}

.pit-diff-row del {
  color: var(--pit-danger);
}

.pit-diff-row ins {
  color: var(--pit-success);
  text-decoration: none;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }

  .pit-process-dot[data-attached="true"] {
    animation: none;
  }
}

/* Capture mode: the screenshot recorder freezes every animated affordance. */
:root[data-capture="true"] *,
:root[data-capture="true"] *::before,
:root[data-capture="true"] *::after {
  animation: none !important;
  transition: none !important;
  caret-color: transparent !important;
  scroll-behavior: auto !important;
}