/*
 * Phase 7G 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.
 */

: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: "Inter", "DejaVu Sans", ui-sans-serif, system-ui, sans-serif;
  --pit-font-mono: "DejaVu Sans Mono", ui-monospace, "SFMono-Regular", monospace;
  --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-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 {
  display: flex;
  flex-direction: column;
  height: 100vh;
  height: 100dvh;
  overflow: hidden;
  background: var(--pit-background);
}

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

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

.pit-header {
  position: sticky;
  top: 0;
  z-index: 5;
  flex: none;
  display: flex;
  flex-direction: column;
  gap: var(--pit-space-2);
  padding: var(--pit-space-3) var(--pit-space-4);
  background: var(--pit-surface);
  border-bottom: 1px solid var(--pit-border);
}

.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-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);
}

.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-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-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-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);
}

.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);
}

@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 {
  width: 0.5rem;
  flex: none;
  cursor: col-resize;
  background: var(--pit-border);
  border: 0;
  padding: 0;
}

.pit-splitter:hover {
  background: var(--pit-border-strong);
}

.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-head {
  position: sticky;
  top: 0;
  background: var(--pit-surface-sunken);
  border-bottom: 1px solid var(--pit-border);
  padding: var(--pit-space-3);
  display: flex;
  flex-direction: column;
  gap: var(--pit-space-2);
  z-index: 2;
}

.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-tool-group-label {
  font-size: var(--pit-text-xs);
  font-weight: 600;
  color: var(--pit-muted-foreground);
  margin-top: var(--pit-space-2);
}

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

.pit-tool-row {
  display: flex;
  gap: var(--pit-space-2);
  align-items: baseline;
  font-size: var(--pit-text-xs);
  min-width: 0;
}

.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-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-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);
  }

  /*
   * 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%;
  }
}

@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;
}