:root {
  color-scheme: light;
  font-family: Inter, Segoe UI, Roboto, Arial, sans-serif;
  --ink: #1d2430;
  --muted: #687386;
  --line: #d8dee8;
  --paper: #f5f7fa;
  --panel: #ffffff;
  --accent: #147a73;
  --accent-soft: #dff2ef;
  --warn: #9b5c00;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background: var(--paper);
  overflow: hidden;
}

button,
input {
  font: inherit;
}

button {
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--ink);
  border-radius: 6px;
  min-height: 36px;
  padding: 0 12px;
  cursor: pointer;
}

button:hover {
  border-color: var(--accent);
}

button:disabled {
  opacity: 0.58;
  cursor: progress;
}

.sidebar {
  width: 340px;
  background: var(--panel);
  border-right: 1px solid var(--line);
  height: 100vh;
  overflow: auto;
}

.sidebar {
  position: fixed;
  inset: 0 auto 0 0;
  z-index: 30;
  transform: translateX(0);
  transition: transform 180ms ease;
  box-shadow: 8px 0 28px rgba(19, 31, 49, 0.14);
}

body.sidebar-collapsed .sidebar {
  transform: translateX(-100%);
}

.brand {
  padding: 18px;
  border-bottom: 1px solid var(--line);
}

.brand span {
  display: block;
  font-size: 22px;
  font-weight: 750;
}

.brand small,
.catalogue-card small,
#catalogueMeta {
  color: var(--muted);
}

.toolbar {
  padding: 12px 18px;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  gap: 8px;
}

.login-link {
  color: var(--accent);
  text-decoration: none;
  border: 1px solid var(--line);
  border-radius: 6px;
  min-height: 36px;
  padding: 8px 10px;
  background: var(--panel);
  font-size: 14px;
}

.login-link.authenticated {
  background: var(--accent-soft);
  border-color: var(--accent);
}

.catalogue-list {
  display: grid;
  gap: 8px;
  padding: 12px;
}

.catalogue-card {
  text-align: left;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.catalogue-card.active {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.catalogue-card strong {
  display: block;
  line-height: 1.25;
  margin-bottom: 6px;
}

.workspace {
  height: 100vh;
  min-width: 0;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  transition: margin-left 180ms ease;
}

body:not(.sidebar-collapsed) .workspace {
  margin-left: 340px;
}

.topbar {
  min-height: 58px;
  background: var(--panel);
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 12px;
  padding: 8px 14px;
}

.title-block {
  min-width: 0;
  flex: 1;
}

.title-block h1,
.title-block p {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.title-block p {
  margin: 2px 0 0;
  font-size: 13px;
}

.icon-button {
  width: 36px;
  min-width: 36px;
  min-height: 36px;
  padding: 0;
  font-size: 20px;
  line-height: 1;
}

h1,
h2 {
  margin: 0;
}

h1 {
  font-size: 18px;
  line-height: 1.2;
}

h2 {
  font-size: 18px;
  margin-bottom: 12px;
}

.page-controls {
  display: flex;
  align-items: center;
  gap: 8px;
}

.page-controls button {
  width: 36px;
  min-height: 36px;
  padding: 0;
  font-size: 24px;
}

.page-controls input {
  width: 70px;
  min-height: 36px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0 8px;
}

.viewer-shell {
  overflow: auto;
  padding: 12px;
}

.empty-state {
  height: calc(100vh - 82px);
  display: grid;
  place-items: center;
  color: var(--muted);
  border: 1px dashed var(--line);
  background: var(--panel);
  border-radius: 8px;
}

.loader-card {
  display: grid;
  justify-items: center;
  gap: 10px;
  color: var(--ink);
}

.loader-card span {
  color: var(--muted);
}

.spinner {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 3px solid var(--line);
  border-top-color: var(--accent);
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.pdf-stage {
  position: relative;
  width: fit-content;
  margin: 0 auto;
  background: white;
  box-shadow: 0 8px 24px rgba(19, 31, 49, 0.18);
}

#pdfCanvas {
  display: block;
}

.overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.box {
  position: absolute;
  border: 2px solid var(--accent);
  background: rgba(20, 122, 115, 0.1);
  pointer-events: auto;
  cursor: pointer;
}

.box[data-kind="image"] {
  border-color: #2f63b5;
  background: rgba(47, 99, 181, 0.1);
}

.box[data-kind="table"] {
  border-color: var(--warn);
  background: rgba(155, 92, 0, 0.1);
}

.box.missing-bbox {
  display: none;
}

.detail-content {
  color: var(--muted);
  overflow-wrap: anywhere;
}

.detail-content pre {
  white-space: pre-wrap;
  background: #f0f3f7;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px;
  max-height: 55vh;
  overflow: auto;
}

.backdrop,
.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 20;
  background: rgba(19, 31, 49, 0.18);
}

.modal-backdrop {
  z-index: 40;
  display: grid;
  place-items: center;
  padding: 24px;
}

.modal {
  width: min(760px, 100%);
  max-height: min(760px, calc(100vh - 48px));
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 18px 48px rgba(19, 31, 49, 0.24);
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 18px;
  border-bottom: 1px solid var(--line);
}

.modal .detail-content {
  padding: 18px;
  overflow: auto;
}

@media (max-width: 900px) {
  body:not(.sidebar-collapsed) .workspace {
    margin-left: 0;
  }
}

.pill {
  display: inline-block;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  padding: 3px 8px;
  margin-bottom: 10px;
  font-size: 12px;
  font-weight: 700;
}