:root {
  color-scheme: light;
  font-family: Roboto, "Segoe UI", Arial, sans-serif;
  font-synthesis: none;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

body {
  --surface: #fff;
  --background: #fafafa;
  --text: #252525;
  --subtle: #737373;
  --border: #e1e1e1;
  --shadow: 0 2px 5px rgba(0, 0, 0, .16);
  --hover: #f0f1f2;
  margin: 0;
  background: var(--background);
  color: var(--text);
  min-height: 100vh;
}

body.dark {
  --surface: #424242;
  --background: #303030;
  --text: #f0f0f0;
  --subtle: #c1c1c1;
  --border: #575757;
  --shadow: 0 2px 6px rgba(0, 0, 0, .35);
  --hover: #505050;
  color-scheme: dark;
}

button, input, select { font: inherit; }
button { cursor: pointer; }
button:disabled { cursor: default; opacity: .35; }
button:focus-visible, input:focus-visible, select:focus-visible {
  outline: 2px solid #1976d2;
  outline-offset: 2px;
}

.app-bar {
  align-items: center;
  background: var(--surface);
  box-shadow: var(--shadow);
  display: flex;
  gap: 12px;
  height: 64px;
  padding: 0 18px 0 10px;
  position: sticky;
  top: 0;
  z-index: 20;
}

.icon-button {
  align-items: center;
  background: transparent;
  border: 0;
  border-radius: 50%;
  color: var(--text);
  display: inline-flex;
  height: 40px;
  justify-content: center;
  min-width: 40px;
  padding: 8px;
}
.icon-button:not(:disabled):hover { background: var(--hover); }
.icon-button svg, .square-button svg {
  fill: none;
  height: 21px;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2;
  width: 21px;
}
.brand-icon { height: 31px; object-fit: contain; width: 31px; }
.brand-name { font-size: 18px; font-weight: 500; letter-spacing: .01em; }
.brand-divider { background: var(--border); height: 25px; margin: 0 6px; width: 1px; }
.project-name { font-size: 15px; white-space: nowrap; }
.project-name strong { font-weight: 600; text-transform: capitalize; }
.project-separator { color: #a0a0a0; padding: 0 5px; }
.header-spacer { flex: 1; }
.read-only-badge { color: var(--subtle); font-size: 11px; font-weight: 700; letter-spacing: .13em; white-space: nowrap; }
.theme-button { margin-left: 13px; }

.drawer-scrim {
  background: rgba(0, 0, 0, .34);
  inset: 64px 0 0;
  position: fixed;
  z-index: 25;
}
.project-drawer {
  background: var(--surface);
  bottom: 0;
  box-shadow: var(--shadow);
  left: 0;
  overflow-y: auto;
  position: fixed;
  top: 64px;
  width: 278px;
  z-index: 26;
}
.drawer-heading { border-bottom: 1px solid var(--border); font-size: 18px; font-weight: 600; padding: 22px 20px; }
.drawer-heading span { color: var(--subtle); display: block; font-size: 12px; font-weight: 400; margin-top: 5px; }
.drawer-subheading { color: var(--subtle); font-size: 11px; font-weight: 700; letter-spacing: .12em; padding: 25px 20px 10px; }
.drawer-item {
  align-items: center;
  background: transparent;
  border: 0;
  color: var(--text);
  display: flex;
  font-size: 14px;
  gap: 14px;
  height: 48px;
  padding: 0 21px;
  text-align: left;
  width: 100%;
}
.drawer-item:hover, .drawer-item.active { background: var(--hover); }
.drawer-item.active { color: #1976d2; font-weight: 600; }
.drawer-dot { border-radius: 50%; height: 9px; width: 9px; }
.train-dot { background: #1976d2; }
.dev-dot { background: #00897b; }
.test-dot { background: #ef6c00; }
.drawer-count { color: var(--subtle); font-size: 12px; margin-left: auto; }

.main-content { min-width: 0; }
.toolbar {
  align-items: center;
  background: var(--background);
  display: flex;
  gap: 12px;
  justify-content: space-between;
  min-height: 63px;
  padding: 9px 14px;
  position: sticky;
  top: 64px;
  z-index: 10;
}
.toolbar-start, .pager { align-items: center; display: flex; gap: 7px; min-width: 0; }
.split-selector {
  align-items: center;
  background: var(--surface);
  border: 1px solid #373737;
  border-radius: 4px;
  display: flex;
  height: 38px;
  margin-right: 4px;
  padding: 0 9px;
}
body.dark .split-selector { border-color: #bababa; }
.split-selector label { color: var(--subtle); font-size: 12px; margin-right: 6px; white-space: nowrap; }
.split-selector select {
  appearance: none;
  background: transparent;
  border: 0;
  color: var(--text);
  font-size: 14px;
  font-weight: 600;
  min-width: 75px;
  outline: 0;
  padding: 4px 19px 4px 3px;
}
.split-selector::after {
  border-bottom: 1.5px solid currentColor;
  border-right: 1.5px solid currentColor;
  content: "";
  height: 6px;
  margin-left: -12px;
  pointer-events: none;
  transform: rotate(45deg) translateY(-2px);
  width: 6px;
}
.square-button {
  align-items: center;
  background: var(--surface);
  border: 1px solid #373737;
  border-radius: 4px;
  color: var(--text);
  display: inline-flex;
  height: 38px;
  justify-content: center;
  min-width: 38px;
  padding: 7px;
}
body.dark .square-button { border-color: #bababa; }
.square-button:hover, .square-button.active { background: var(--hover); }
.search-container input {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text);
  height: 38px;
  padding: 0 11px;
  width: min(30vw, 330px);
}
.match-count { color: var(--subtle); font-size: 12px; margin-left: 5px; white-space: nowrap; }
.pager { justify-content: flex-end; white-space: nowrap; }
.page-label, .page-total { color: var(--subtle); font-size: 13px; }
.page-input {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text);
  font-size: 13px;
  height: 32px;
  text-align: center;
  width: 56px;
}
.page-input::-webkit-inner-spin-button, .page-input::-webkit-outer-spin-button { appearance: none; margin: 0; }
.pager-divider { background: var(--border); height: 23px; margin: 0 5px; width: 1px; }
.pager-button { font-size: 28px; font-weight: 300; height: 35px; line-height: 1; min-width: 35px; padding: 0 0 4px; }

.workspace {
  align-items: start;
  display: grid;
  gap: 24px;
  grid-template-columns: minmax(0, 3fr) minmax(280px, 1fr);
  padding: 0 12px 34px;
}
.workspace.hide-info { grid-template-columns: minmax(0, 1fr); }
.workspace.hide-info .side-column { display: none; }
.document-column, .side-column { min-width: 0; }
.section-heading { align-items: center; color: var(--subtle); display: flex; font-size: 11px; font-weight: 700; gap: 10px; height: 25px; letter-spacing: .1em; padding: 0 2px 9px; }
.heading-marker { background: #1976d2; border-radius: 2px; height: 10px; width: 3px; }
.heading-rule { background: var(--border); flex: 1; height: 1px; }
#document-position { letter-spacing: 0; }
.document-card, .panel-card { background: var(--surface); border-radius: 3px; box-shadow: var(--shadow); }
.document-card { min-height: 272px; }
.document-meta-bar { align-items: center; border-bottom: 1px solid var(--border); color: var(--subtle); display: flex; flex-wrap: wrap; font-size: 12px; gap: 11px; min-height: 53px; padding: 10px 19px; }
.document-id-label { color: #1976d2; font-size: 10px; font-weight: 800; letter-spacing: .09em; }
.document-meta-bar strong { color: var(--text); font-size: 13px; font-weight: 500; overflow-wrap: anywhere; }
.status-chip { background: #e8f5e9; border-radius: 3px; color: #278049; font-size: 10px; font-weight: 700; letter-spacing: .06em; margin-left: auto; padding: 5px 7px; white-space: nowrap; }
body.dark .status-chip { background: #254d34; color: #a1e6ba; }
.annotated-text { color: #686868; font-size: 19px; font-weight: 600; line-height: 2.32; min-height: 203px; overflow-wrap: anywhere; padding: 23px 19px 28px; }
body.dark .annotated-text { color: #d3d3d3; }
.entity {
  border: 2px solid var(--entity-color);
  border-bottom: 0;
  border-radius: 1px 1px 0 0;
  display: inline-block;
  line-height: 1.05;
  margin: 0 2px 5px;
  max-width: 100%;
  transition: opacity .16s ease, filter .16s ease;
  vertical-align: middle;
}
.entity-text { display: block; padding: 2px 5px 1px; }
.entity-tag { background: var(--entity-color); color: var(--entity-ink); display: block; font-size: 11px; font-weight: 800; letter-spacing: .06em; line-height: 1.12; padding: 2px 5px; text-align: center; }
.entity.dimmed { opacity: .25; }
.entity:hover { filter: brightness(.94); }
body.dark .entity:hover { filter: brightness(1.2); }
.empty-state { color: var(--subtle); font-size: 15px; font-weight: 400; line-height: 1.55; }
.keyboard-hint { color: var(--subtle); font-size: 12px; margin: 16px 3px; }
kbd { background: var(--surface); border: 1px solid var(--border); border-radius: 3px; font-family: inherit; font-size: 11px; padding: 2px 5px; }

.side-column { padding-top: 25px; }
.panel-card { margin-bottom: 17px; }
.panel-title { align-items: center; border-bottom: 1px solid var(--border); display: flex; font-size: 15px; font-weight: 500; justify-content: space-between; min-height: 48px; padding: 10px 16px; }
.panel-count { color: var(--subtle); font-size: 12px; font-weight: 400; }
.label-list { display: flex; flex-wrap: wrap; gap: 9px; min-height: 65px; padding: 16px; }
.label-chip { align-items: center; border: 0; border-radius: 4px; color: #fff; display: inline-flex; font-size: 12px; font-weight: 700; gap: 10px; min-height: 29px; padding: 5px 9px; transition: opacity .16s; }
.label-chip.inactive { opacity: .4; }
.label-chip:focus-visible { outline-color: var(--text); }
.label-chip .chip-count { background: rgba(0, 0, 0, .16); border-radius: 3px; font-size: 11px; min-width: 17px; padding: 1px 4px; }
.label-empty { color: var(--subtle); font-size: 12px; }
.metadata-table { border-collapse: collapse; font-size: 12px; table-layout: fixed; text-align: left; width: 100%; }
.metadata-table th { color: var(--subtle); font-weight: 600; height: 42px; }
.metadata-table td { height: 42px; overflow-wrap: anywhere; }
.metadata-table tr { border-bottom: 1px solid var(--border); }
.metadata-table tbody tr:last-child { border-bottom: 0; }
.metadata-table th:first-child, .metadata-table td:first-child { padding-left: 16px; width: 38%; }
.metadata-table th:last-child, .metadata-table td:last-child { padding-right: 13px; }
.progress-card { padding-bottom: 17px; }
.progress-text { color: var(--subtle); font-size: 12px; font-weight: 400; }
.progress-track { background: var(--border); border-radius: 4px; height: 7px; margin: 18px 16px 1px; overflow: hidden; }
.progress-fill { background: #1976d2; border-radius: inherit; height: 100%; transition: width .2s; width: 0; }

@media (max-width: 950px) {
  .workspace { gap: 16px; grid-template-columns: minmax(0, 1fr); }
  .side-column { display: grid; gap: 16px; grid-template-columns: repeat(2, minmax(0, 1fr)); padding-top: 0; }
  .side-column .panel-card { margin: 0; }
  .progress-card { grid-column: 1 / -1; }
}

@media (max-width: 650px) {
  .app-bar { gap: 7px; padding-right: 9px; }
  .brand-name, .brand-divider, .read-only-badge { display: none; }
  .project-name { font-size: 14px; }
  .toolbar { align-items: stretch; flex-direction: column; gap: 7px; padding: 8px 12px; }
  .toolbar-start { flex-wrap: wrap; }
  .search-container { order: 5; width: 100%; }
  .search-container input { width: 100%; }
  .pager { justify-content: flex-end; }
  .workspace { padding: 0 10px 25px; }
  .side-column { display: block; }
  .side-column .panel-card { margin-bottom: 14px; }
  .annotated-text { font-size: 17px; line-height: 2.48; padding: 18px 13px 25px; }
  .document-meta-bar { padding: 10px 13px; }
  .keyboard-hint { line-height: 1.6; }
}