/* Checkpoint file viewer. Worldly (Higg) product shell. */

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

html,
body {
  margin: 0;
  height: 100%;
}

[hidden] {
  display: none !important;
}

body {
  display: flex;
  flex-direction: column;
  min-height: 100%;
  background: var(--bg-subtle);
  color: var(--fg-primary);
}

img.icon {
  width: 20px;
  height: 20px;
  display: block;
  flex-shrink: 0;
}

img.icon-sm {
  width: 16px;
  height: 16px;
}

.icon-mask {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  background: currentColor;
  -webkit-mask: var(--icon) center / contain no-repeat;
  mask: var(--icon) center / contain no-repeat;
}

.topbar {
  display: flex;
  align-items: center;
  gap: var(--spacing-6_0);
  height: 56px;
  padding: 0 var(--spacing-6_0);
  background: var(--black);
  color: var(--fg-inverse);
  flex-shrink: 0;
}

.topbar__brand {
  display: flex;
  align-items: center;
  gap: var(--spacing-4_0);
  min-width: 220px;
}

.topbar__logo {
  display: block;
  height: 20px;
  width: auto;
}

.topbar__product {
  font-family: var(--font-family-display);
  font-size: var(--font-small);
  font-weight: var(--font-weight-semibold);
  color: var(--gray-40);
  letter-spacing: 0.02em;
}

.topbar__tabs {
  display: flex;
  align-items: stretch;
  height: 100%;
  gap: var(--spacing-1_0);
}

.tab {
  appearance: none;
  background: transparent;
  border: 0;
  border-bottom: 2px solid transparent;
  color: var(--gray-40);
  font: inherit;
  font-size: var(--font-base);
  font-weight: var(--font-weight-semibold);
  padding: 0 var(--spacing-3_0);
  cursor: pointer;
  transition: color var(--transition-duration) var(--transition-timing-function),
    border-color var(--transition-duration) var(--transition-timing-function);
}

.tab:hover:not(:disabled) {
  color: var(--white);
}

.tab[aria-selected="true"] {
  color: var(--white);
  border-bottom-color: var(--red-urgency);
}

.tab:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.tab:focus-visible {
  outline: none;
  box-shadow: var(--focus-shadow);
}

.topbar__spacer {
  flex: 1;
}

.btn {
  appearance: none;
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-2_0);
  height: 36px;
  padding: 0 var(--spacing-4_0);
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  font: inherit;
  font-size: var(--font-base);
  font-weight: var(--font-weight-semibold);
  cursor: pointer;
  transition: background-color var(--transition-duration)
    var(--transition-timing-function);
}

.btn:focus-visible {
  outline: none;
  box-shadow: var(--focus-shadow);
}

.btn--primary {
  background: var(--blue-60);
  color: var(--white);
}

.btn--primary:hover {
  background: var(--blue-80);
}

.btn--ghost {
  background: transparent;
  color: var(--white);
  border-color: var(--gray-80);
}

.btn--ghost:hover {
  background: var(--gray-90);
}

.shell {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  flex: 1;
  min-height: 0;
}

.rail {
  background: var(--white);
  border-right: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.rail__header {
  padding: var(--spacing-5_0) var(--spacing-5_0) var(--spacing-3_0);
}

.rail__title {
  margin: 0;
  font-size: var(--font-small);
  font-weight: var(--font-weight-semibold);
  color: var(--fg-secondary);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.file-list {
  list-style: none;
  margin: 0;
  padding: 0 var(--spacing-2_0) var(--spacing-4_0);
  overflow: auto;
}

.file-list--files {
  flex: 0 0 auto;
}

.file-list--companies {
  flex: 1;
  min-height: 0;
}

.btn--link {
  height: auto;
  padding: var(--spacing-2_0) 0;
  background: transparent;
  color: var(--blue-60);
  border: 0;
  font-weight: var(--font-weight-semibold);
}

.btn--link:hover {
  color: var(--blue-80);
  text-decoration: underline;
}

.btn--link[hidden] {
  display: none !important;
}

.file-list__item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-3_0);
  width: 100%;
  text-align: left;
  border: 0;
  background: transparent;
  border-radius: var(--radius-sm);
  padding: var(--spacing-3_0);
  cursor: pointer;
  color: inherit;
  font: inherit;
}

.file-list__item:hover {
  background: var(--gray-10);
}

.file-list__item[aria-current="true"] {
  background: var(--blue-10);
}

.file-list__item:focus-visible {
  outline: none;
  box-shadow: var(--focus-shadow);
}

.file-list__meta {
  min-width: 0;
}

.file-list__name {
  display: block;
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-base);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.file-list__kind {
  display: block;
  font-size: var(--font-small);
  color: var(--fg-secondary);
  margin-top: 2px;
}

.rail__drop {
  margin: 0 var(--spacing-4_0) var(--spacing-5_0);
  padding: var(--spacing-4_0);
  border: 1px dashed var(--border-default);
  border-radius: var(--radius-md);
  color: var(--fg-secondary);
  font-size: var(--font-small);
  line-height: var(--line-height-snug);
  text-align: center;
  background: var(--white);
  flex-shrink: 0;
}

.stage {
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 0;
}

.stage__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-4_0);
  padding: var(--spacing-4_0) var(--spacing-6_0);
  background: var(--white);
  border-bottom: 1px solid var(--border-subtle);
  position: relative;
  z-index: 2;
}

.trace {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-4_0);
  padding: var(--spacing-3_0) var(--spacing-6_0);
  background: var(--blue-10);
  border-bottom: 1px solid var(--border-subtle);
  position: relative;
  z-index: 2;
}

.trace__label {
  font-size: var(--font-small);
  color: var(--blue-80);
  min-width: 0;
}

.trace__clear {
  flex: none;
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  font: inherit;
  font-size: var(--font-small);
  font-weight: var(--font-weight-semibold);
  color: var(--blue-60);
  text-decoration: underline;
}

.stage__identity {
  display: flex;
  align-items: center;
  gap: var(--spacing-4_0);
  min-width: 0;
}

.btn--root {
  height: 32px;
  padding: 0 var(--spacing-3_0);
  background: var(--white);
  color: var(--blue-60);
  border: 1px solid var(--blue-60);
  flex-shrink: 0;
}

.btn--root:hover {
  background: var(--blue-10);
  color: var(--blue-80);
}

.btn--root[hidden] {
  display: none !important;
}

.stage__title {
  margin: 0;
  font-family: var(--font-family-display);
  font-size: var(--font-lg);
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-snug);
}

.stage__stats {
  margin: 2px 0 0;
  font-size: var(--font-small);
  color: var(--fg-secondary);
}

.legend {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-4_0);
  font-size: var(--font-small);
  color: var(--fg-secondary);
}

.legend__swatch {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: var(--radius-pill);
  margin-right: 6px;
  vertical-align: middle;
}

.legend__swatch--line {
  width: 16px;
  height: 0;
  border-radius: 0;
  background: transparent;
  border-top: 2px solid var(--blue-60);
}

.legend__swatch--peer {
  width: 16px;
  height: 0;
  border-radius: 0;
  background: transparent;
  border-top: 2px dashed var(--blue-60);
}

.viewport {
  position: relative;
  flex: 1;
  min-height: 0;
  overflow: auto;
}

.graph {
  position: relative;
  min-width: max-content;
  min-height: 100%;
  padding: var(--spacing-6_0);
  padding-bottom: 72px;
}

.graph__edges {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  overflow: visible;
}

.graph__edge-group {
  pointer-events: auto;
  cursor: help;
}

.graph__edge-hit {
  fill: none;
  stroke: transparent;
  stroke-width: 16;
  pointer-events: stroke;
}

.graph__edge {
  fill: none;
  stroke: var(--blue-60);
  stroke-width: 2;
  pointer-events: none;
}

.graph__edge-group:hover .graph__edge,
.graph__edge-group.is-selected .graph__edge,
.graph__edge.is-selected {
  stroke: var(--blue-80);
  stroke-width: 3;
}

.graph__edge.is-peer {
  stroke-dasharray: 2 5;
}

.graph__edge.is-dim,
.graph__edge-group.is-dim {
  opacity: 0.35;
}

.graph__edge-group.is-dim:hover {
  opacity: 1;
}

.graph__edge-group.is-spine {
  opacity: 0.4;
}

.graph__edge-group.is-spine:hover,
.graph__edge-group.is-spine.is-selected {
  opacity: 1;
}

.edge-bubble {
  pointer-events: none;
  opacity: 1;
}

.edge-bubble circle {
  fill: var(--blue-60);
  stroke: var(--white);
  stroke-width: 2;
}

.edge-bubble text {
  fill: var(--white);
  font-family: var(--font-family-display);
  font-size: 11px;
  font-weight: 700;
}

.edge-bubble__count {
  fill: var(--gray-90);
  stroke: var(--white);
  stroke-width: 1;
}

.edge-bubble__count-label {
  fill: var(--white);
  font-size: 9px;
}

.edge-bubble__status {
  stroke: var(--white);
  stroke-width: 1;
}

.graph__edge-group.is-dim .edge-bubble {
  opacity: 0.35;
}

.graph__edge-group:hover .edge-bubble,
.graph__edge-group.is-selected .edge-bubble {
  opacity: 1;
}

.columns {
  position: relative;
  z-index: 1;
  display: flex;
  gap: 96px;
  align-items: flex-start;
  pointer-events: none;
}

.column {
  width: 280px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-4_0);
}

.column__label {
  font-size: var(--font-small);
  font-weight: var(--font-weight-semibold);
  color: var(--fg-secondary);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0 var(--spacing-1_0) 0;
  position: sticky;
  top: 0;
  z-index: 2;
  background: var(--bg-subtle);
}

.column__dir {
  font-size: var(--font-xs);
  color: var(--fg-secondary);
  padding: 0 var(--spacing-1_0) var(--spacing-2_0);
  position: sticky;
  top: 1.4em;
  z-index: 2;
  background: var(--bg-subtle);
}

.column--focus .column__label {
  text-transform: none;
  letter-spacing: 0;
  font-family: var(--font-family-display);
  font-size: var(--font-base);
  color: var(--fg-primary);
}

.company {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr) 32px;
  align-items: stretch;
  width: 100%;
  text-align: left;
  background: var(--white);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 0;
  cursor: pointer;
  pointer-events: auto;
  color: inherit;
  font: inherit;
  box-shadow: var(--shadow-xs);
  scroll-margin-bottom: 64px;
  transition: opacity var(--transition-duration) var(--transition-timing-function),
    background-color var(--transition-duration) var(--transition-timing-function);
}

.company--product {
  grid-template-columns: minmax(0, 1fr) 32px;
  border-width: 2px;
}

.company__port {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-xs);
  font-weight: var(--font-weight-semibold);
  color: var(--fg-secondary);
  background: var(--gray-10);
}

.company__port--export {
  border-right: 1px solid var(--border-subtle);
  border-radius: var(--radius-md) 0 0 var(--radius-md);
}

.company__port--import {
  border-left: 1px solid var(--border-subtle);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

/* A glyph stands for an absent count, so it reads quieter than a number. */
.company__port--mark {
  font-size: var(--font-small);
  font-weight: var(--font-weight-regular);
  color: var(--gray-50);
}

.company.is-selected .company__port,
.company.is-focus .company__port {
  color: var(--blue-80);
  background: var(--blue-10);
}

.company__main {
  padding: var(--spacing-4_0) var(--spacing-3_0);
  min-width: 0;
}

.company.is-dim {
  opacity: 0.28;
}

.company:hover {
  background: var(--gray-10);
}

.company.is-selected,
.company.is-focus {
  border-color: var(--blue-60);
  box-shadow: var(--focus-shadow);
}

.company:focus-visible {
  outline: none;
  box-shadow: var(--focus-shadow);
}

.company__name {
  display: block;
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-base);
  line-height: var(--line-height-snug);
}

.company__place {
  display: block;
  margin-top: 2px;
  font-size: var(--font-small);
  color: var(--fg-secondary);
}

.company__chip {
  display: inline-block;
  margin-top: var(--spacing-2_0);
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  background: var(--gray-10);
  color: var(--fg-secondary);
  font-size: var(--font-xs);
  font-weight: var(--font-weight-semibold);
}

.inspector {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: start;
  column-gap: var(--spacing-3_0);
  row-gap: var(--spacing-1_0);
  background: var(--white);
  border-top: 1px solid var(--border-subtle);
  padding: var(--spacing-3_0) var(--spacing-5_0);
  min-height: 0;
  max-height: 8.75rem;
  overflow: auto;
  flex-shrink: 0;
}

.inspector__kicker {
  grid-column: 1;
  grid-row: 1;
  margin: 0;
  font-size: var(--font-xs);
  font-weight: var(--font-weight-semibold);
  color: var(--fg-secondary);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.inspector__title {
  grid-column: 1;
  grid-row: 2;
  margin: 0;
  font-family: var(--font-family-display);
  font-size: var(--font-lg);
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-snug);
}

.inspector .status {
  grid-column: 2;
  grid-row: 1 / span 2;
  align-self: center;
}

.inspector__rows {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: var(--spacing-2_0) var(--spacing-4_0);
  margin-top: var(--spacing-1_0);
}

.inspector__label {
  display: block;
  font-size: var(--font-xs);
  color: var(--fg-secondary);
  margin-bottom: 2px;
}

.inspector__value {
  font-size: var(--font-small);
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-snug);
}

.inspector__value--mono {
  font-family: var(--font-family-mono);
  font-weight: var(--font-weight-regular);
  font-size: var(--font-xs);
}

.inspector__empty {
  grid-column: 1 / -1;
  margin: 0;
  color: var(--fg-secondary);
  font-size: var(--font-small);
}

.status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  font-size: var(--font-xs);
  font-weight: var(--font-weight-semibold);
}

.status--approved {
  background: var(--green-20);
  color: var(--green-60);
}

.status--rejected {
  background: var(--red-urgency-light);
  color: var(--red-urgency-dark);
}

.status--ambiguous {
  background: var(--yellow-truth-light);
  color: var(--col-324);
}

.status--undecided {
  background: var(--blue-10);
  color: var(--blue-80);
}

.source {
  margin: 0;
  height: 100%;
  overflow: auto;
  padding: var(--spacing-6_0);
  background: var(--white);
  font-family: var(--font-family-mono);
  font-size: var(--font-small);
  line-height: 1.55;
  color: var(--fg-primary);
  white-space: pre;
}

.empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-3_0);
  min-height: 100%;
  padding: var(--spacing-10_0);
  text-align: center;
}

.empty__title {
  margin: 0;
  font-family: var(--font-family-display);
  font-size: var(--font-xl);
  font-weight: var(--font-weight-semibold);
}

.empty__body {
  margin: 0;
  color: var(--fg-secondary);
  max-width: 28em;
}

.error {
  margin: var(--spacing-6_0);
  padding: var(--spacing-4_0);
  border-radius: var(--radius-md);
  background: var(--red-urgency-light);
  color: var(--red-urgency-dark);
  font-size: var(--font-base);
}

.drop-active .rail__drop {
  border-color: var(--blue-60);
  background: var(--blue-10);
  color: var(--blue-80);
}

.hidden {
  display: none !important;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 800px) {
  .shell {
    grid-template-columns: 1fr;
    grid-template-rows: auto 1fr;
  }

  .rail {
    border-right: 0;
    border-bottom: 1px solid var(--border-subtle);
  }

  .rail__drop {
    display: none;
  }

  .file-list {
    max-height: 96px;
  }

  .viewport {
    min-height: 320px;
  }

  .inspector {
    max-height: 8.75rem;
  }

  .topbar {
    flex-wrap: wrap;
    height: auto;
    padding: var(--spacing-3_0) var(--spacing-4_0);
    gap: var(--spacing-3_0);
  }

  .topbar__tabs {
    height: 36px;
  }

  .topbar__spacer {
    display: none;
  }

  .columns {
    gap: var(--spacing-6_0);
  }

  .stage__bar {
    flex-direction: column;
    align-items: flex-start;
    padding: var(--spacing-4_0);
  }

  .inspector {
    padding: var(--spacing-3_0) var(--spacing-4_0);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition: none !important;
  }
}