:root {
  color-scheme: light;
  --bg: #f6f7f9;
  --sidebar: #18202b;
  --surface: #ffffff;
  --surface-soft: #eef3f5;
  --text: #1f2933;
  --muted: #687782;
  --line: #dce3e7;
  --accent: #0f766e;
  --accent-dark: #0b5d56;
  --gold: #b88928;
  --blue: #315f86;
  --shadow: 0 18px 45px rgba(33, 47, 60, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  grid-template-columns: 260px 1fr;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  transition: grid-template-columns 180ms ease;
}

body.sidebar-collapsed {
  grid-template-columns: 0 1fr;
}

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  padding: 24px;
  background: var(--sidebar);
  color: #f8fafc;
  display: flex;
  flex-direction: column;
  gap: 28px;
  overflow: hidden;
  transition: opacity 160ms ease, padding 180ms ease;
}

body.sidebar-collapsed .sidebar {
  padding-right: 0;
  padding-left: 0;
  opacity: 0;
  pointer-events: none;
}

.sidebar-toggle {
  position: fixed;
  z-index: 20;
  top: 18px;
  left: 236px;
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.38);
  border-radius: 6px;
  background: #243142;
  color: #ffffff;
  font-size: 24px;
  line-height: 1;
  box-shadow: 0 8px 22px rgba(24, 32, 43, 0.18);
  transition: left 180ms ease, background 140ms ease;
}

.sidebar-toggle:hover {
  background: #2d3b4d;
}

body.sidebar-collapsed .sidebar-toggle {
  left: 14px;
}

.brand {
  display: flex;
  gap: 14px;
  align-items: center;
}

.brand-mark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.28);
  background: rgba(255, 255, 255, 0.08);
  font-weight: 800;
}

.brand h1,
.brand p,
.topbar h2,
.topbar p,
.panel h3,
.panel p {
  margin: 0;
}

.brand h1 {
  font-size: 16px;
  line-height: 1.1;
}

.brand p {
  margin-top: 4px;
  color: #b9c4cc;
  font-size: 12px;
}

.nav {
  display: grid;
  gap: 8px;
}

.nav a {
  color: #d6dee5;
  text-decoration: none;
  padding: 10px 12px;
  border-radius: 6px;
  font-size: 14px;
}

.nav a.active,
.nav a:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #ffffff;
}

.system {
  margin-top: auto;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  padding-top: 18px;
}

.system span {
  display: block;
  font-size: 34px;
  font-weight: 800;
}

.system small {
  color: #b9c4cc;
}

.shell {
  padding: 28px;
  display: grid;
  gap: 20px;
  align-content: start;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.topbar h2 {
  font-size: 30px;
  letter-spacing: 0;
}

.topbar p {
  margin-top: 8px;
  color: var(--muted);
  max-width: 760px;
}

button,
input,
select {
  font: inherit;
}

button {
  border: 0;
  background: var(--accent);
  color: #ffffff;
  padding: 10px 14px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
}

button:hover {
  background: var(--accent-dark);
}

button:disabled {
  cursor: not-allowed;
  background: #cbd5dc;
  color: #f8fafc;
}

.pdf-button {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 8px 12px;
  border-radius: 6px;
  background: var(--accent);
  color: #ffffff;
  font-size: 13px;
  font-weight: 800;
  text-decoration: none;
  white-space: nowrap;
}

.pdf-button:hover {
  background: var(--accent-dark);
}

.summary-head {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 12px;
}

.summary-head h5 {
  margin: 0 0 5px;
}

.summary-source {
  display: inline-flex;
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
}

.summary-source.llm {
  color: var(--accent);
}

.summary-provider-tabs {
  display: inline-flex;
  gap: 3px;
  width: fit-content;
  padding: 3px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface-soft);
}

.summary-provider-tab {
  min-height: 32px;
  padding: 6px 11px;
  background: transparent;
  color: var(--muted);
  font-size: 12px;
}

.summary-provider-tab:hover {
  background: #ffffff;
  color: var(--text);
}

.summary-provider-tab.active {
  background: #ffffff;
  color: var(--text);
  box-shadow: 0 1px 4px rgba(33, 47, 60, 0.12);
}

#summaryContent {
  display: grid;
  gap: 10px;
}

.summary-action {
  min-height: 34px;
  padding: 7px 10px;
  background: var(--blue);
  font-size: 12px;
  white-space: nowrap;
}

.summary-action:hover {
  background: #244c6d;
}

.filters {
  display: grid;
  grid-template-columns: minmax(240px, 2fr) repeat(5, minmax(130px, 1fr));
  gap: 12px;
  padding: 14px;
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

input,
select,
textarea {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #ffffff;
  color: var(--text);
}

input,
select {
  height: 40px;
  padding: 0 10px;
}

textarea {
  width: 100%;
  resize: vertical;
  padding: 10px;
  line-height: 1.5;
}

.treatment-panel {
  display: grid;
  gap: 14px;
}

.treatment-form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: end;
}

.analysis-output {
  display: grid;
  gap: 14px;
}

.analysis-verdict {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 16px;
  padding: 14px;
  border-radius: 8px;
  background: #eef7f5;
  border: 1px solid #c6e4df;
}

.analysis-verdict.cuestionable {
  background: #fff6e8;
  border-color: #eed3a5;
}

.analysis-verdict span,
.confidence span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.analysis-verdict strong {
  display: block;
  margin-top: 4px;
  font-size: 20px;
}

.analysis-verdict p {
  margin-top: 6px;
  color: #40505b;
}

.confidence {
  min-width: 120px;
  text-align: right;
}

.analysis-detected,
.analysis-columns {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.analysis-columns {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-items: start;
}

.analysis-section {
  display: grid;
  gap: 10px;
}

.analysis-section h4 {
  margin: 0;
  font-size: 14px;
}

.analysis-section ul {
  margin: 0;
  padding-left: 18px;
  color: #40505b;
  font-size: 13px;
  line-height: 1.55;
}

.analysis-report {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
  cursor: pointer;
}

.analysis-report:hover {
  border-color: var(--accent);
}

.analysis-report strong,
.analysis-report span {
  display: block;
}

.analysis-report span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.analysis-report p {
  margin: 8px 0;
  color: #40505b;
  font-size: 13px;
  line-height: 1.45;
}

.analysis-disclaimer {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
}

.grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 0.8fr;
  gap: 20px;
}

.panel {
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  padding: 18px;
}

.panel-title {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 14px;
}

.timeline-copy {
  display: grid;
  gap: 8px;
  justify-items: end;
  text-align: right;
}

.legend {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.legend span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}

.legend-swatch {
  width: 12px;
  height: 12px;
  border-radius: 3px;
  display: inline-block;
}

.legend-swatch.pre-rgpd {
  background: var(--blue);
}

.legend-swatch.rgpd {
  background: var(--accent);
}

.panel h3 {
  font-size: 16px;
}

.panel p {
  color: var(--muted);
  font-size: 13px;
  margin-top: 4px;
}

canvas {
  display: block;
  width: 100%;
  max-width: 100%;
}

.rank-list {
  display: grid;
  gap: 10px;
}

.rank-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  align-items: center;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
  color: inherit;
  text-decoration: none;
}

.rank-row:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.rank-row:hover span {
  color: var(--accent-dark);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.rank-row span {
  color: var(--text);
  font-size: 13px;
  font-weight: 700;
}

.rank-row strong {
  color: var(--blue);
}

.workspace {
  display: grid;
  grid-template-columns: minmax(0, 0.75fr) minmax(0, 1.25fr);
  gap: 20px;
  align-items: start;
}

.results,
.detail {
  display: grid;
  gap: 12px;
}

.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  margin-top: 14px;
}

.pagination span {
  min-width: 84px;
  text-align: center;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.result-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px;
  cursor: pointer;
  transition: border-color 140ms ease, transform 140ms ease;
}

.result-card:hover {
  border-color: var(--accent);
  transform: translateY(-1px);
}

.result-card h4 {
  margin: 0 0 8px;
  font-size: 15px;
}

.meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 10px;
}

.chip {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 3px 8px;
  border-radius: 999px;
  background: var(--surface-soft);
  color: #40505b;
  font-size: 12px;
  font-weight: 700;
}

.snippet {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.55;
}

.search-quality {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 10px;
  align-items: center;
  margin: -2px 0 8px;
  font-size: 12px;
  font-weight: 800;
}

.search-quality span {
  color: var(--accent-dark);
}

.search-quality.partial span {
  color: var(--gold);
}

.search-quality small {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

mark {
  background: #ffe7a3;
  padding: 0 2px;
}

.detail h4 {
  margin: 0;
  font-size: 20px;
}

.detail-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.detail .path {
  color: var(--muted);
  word-break: break-all;
  font-size: 12px;
}

.fragment-title {
  margin-top: 4px;
  font-size: 12px;
  color: var(--muted);
  font-weight: 800;
  text-transform: uppercase;
}

.summary {
  display: grid;
  gap: 10px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfd;
}

.summary h5 {
  margin: 0;
  font-size: 14px;
}

.summary p {
  margin: 0;
  color: #40505b;
  line-height: 1.55;
}

.summary-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.summary strong {
  display: block;
  margin-bottom: 6px;
  font-size: 12px;
  color: var(--text);
  text-transform: uppercase;
}

.summary ul {
  margin: 0;
  padding-left: 18px;
  color: #40505b;
  font-size: 13px;
  line-height: 1.5;
}

.chunk {
  border-left: 3px solid var(--gold);
  padding-left: 12px;
  color: #40505b;
  font-size: 13px;
  line-height: 1.6;
}

.chunk p {
  margin: 8px 0 0;
}

.chunk-meta {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  color: var(--text);
  font-size: 12px;
}

.chunk-meta span {
  color: var(--blue);
  font-weight: 800;
  white-space: nowrap;
}

.empty {
  color: var(--muted);
}

@media (max-width: 980px) {
  body {
    grid-template-columns: 1fr;
  }

  body.sidebar-collapsed {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
    height: auto;
    padding: 18px;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }

  body.sidebar-collapsed .sidebar {
    display: none;
  }

  .sidebar-toggle,
  body.sidebar-collapsed .sidebar-toggle {
    top: 14px;
    right: 14px;
    left: auto;
  }

  .nav,
  .system {
    display: none;
  }

  .filters,
  .grid,
  .workspace,
  .treatment-form,
  .analysis-columns,
  .analysis-verdict {
    grid-template-columns: 1fr;
  }

  .confidence {
    text-align: left;
  }

  .summary-head {
    align-items: stretch;
    flex-direction: column;
  }

  .summary-action {
    align-self: start;
  }

  .summary-columns {
    grid-template-columns: 1fr;
  }

  .topbar {
    align-items: start;
    flex-direction: column;
  }
}