:root {
  color-scheme: light;
  --ink: #172026;
  --muted: #5d6973;
  --line: #d8dee2;
  --paper: #f7f8f6;
  --panel: #ffffff;
  --teal: #006d77;
  --teal-soft: #d9f0ef;
  --red: #9b2c2c;
  --gold: #b7791f;
  --green: #276749;
  --blue: #234e8f;
  --violet: #5a3f88;
  --shadow: 0 18px 50px rgba(24, 38, 46, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

button,
textarea,
input {
  font: inherit;
}

button {
  cursor: pointer;
}

.app-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: minmax(310px, 380px) 1fr;
}

.sidebar {
  background: #172026;
  color: #f7f8f6;
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow: auto;
}

.brand-block {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 14px;
  align-items: center;
  margin-bottom: 4px;
}

.brand-mark {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.28);
  background: #f7f8f6;
  color: #172026;
  font-weight: 800;
  border-radius: 8px;
}

h1,
h2,
h3,
p {
  margin: 0;
}

h1 {
  font-size: 1.25rem;
  line-height: 1.2;
}

h2 {
  font-size: 1rem;
  line-height: 1.25;
}

h3 {
  font-size: 0.92rem;
}

.eyebrow {
  color: #7b8a93;
  font-size: 0.74rem;
  font-weight: 750;
  letter-spacing: 0;
  text-transform: uppercase;
  margin-bottom: 6px;
}

.sidebar .eyebrow {
  color: #a9c6c6;
}

.panel,
.insight-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.sidebar .panel {
  background: rgba(255, 255, 255, 0.075);
  border-color: rgba(255, 255, 255, 0.14);
  box-shadow: none;
}

.compact {
  padding: 16px;
}

.large {
  padding: 20px;
}

textarea {
  width: 100%;
  min-height: 136px;
  resize: vertical;
  margin-top: 12px;
  padding: 12px;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.95);
  color: var(--ink);
  line-height: 1.45;
}

.input-meta {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  margin-top: 8px;
  color: #c9d8d8;
  font-size: 0.78rem;
}

.button-row,
.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.button-row {
  margin-top: 12px;
}

.primary-button,
.secondary-button,
.icon-button,
.prompt-button,
.tab {
  border: 1px solid transparent;
  border-radius: 8px;
  min-height: 40px;
  transition: transform 120ms ease, border-color 120ms ease, background 120ms ease;
}

.primary-button {
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--teal);
  color: white;
  font-weight: 750;
}

.secondary-button {
  background: #f2f6f5;
  color: var(--teal);
  padding: 0 12px;
  border-color: #c7dfdd;
  font-weight: 750;
}

.icon-button {
  width: 42px;
  background: rgba(255, 255, 255, 0.09);
  color: white;
  border-color: rgba(255, 255, 255, 0.18);
  font-size: 1.35rem;
}

.primary-button:hover,
.secondary-button:hover,
.icon-button:hover,
.prompt-button:hover,
.tab:hover {
  transform: translateY(-1px);
}

.prompt-list {
  display: grid;
  gap: 8px;
  margin-top: 12px;
}

.prompt-button {
  width: 100%;
  text-align: left;
  padding: 10px;
  background: rgba(255, 255, 255, 0.08);
  color: #f7f8f6;
  border-color: rgba(255, 255, 255, 0.14);
  line-height: 1.35;
}

.check-row {
  margin-top: 12px;
  display: grid;
  grid-template-columns: 18px 1fr;
  gap: 10px;
  align-items: start;
  color: #e5eeee;
  font-size: 0.92rem;
}

.status-stack {
  display: grid;
  gap: 10px;
  margin-top: 12px;
}

.status-line {
  display: grid;
  grid-template-columns: 12px 1fr;
  gap: 9px;
  align-items: center;
  color: #e5eeee;
  line-height: 1.35;
  font-size: 0.9rem;
}

.status-dot {
  width: 9px;
  height: 9px;
  border-radius: 999px;
}

.status-dot.live {
  background: #37c978;
  box-shadow: 0 0 0 4px rgba(55, 201, 120, 0.14);
}

.status-dot.static {
  background: #f6ad55;
  box-shadow: 0 0 0 4px rgba(246, 173, 85, 0.13);
}

.small-note {
  color: #b8c9c9;
  font-size: 0.82rem;
  line-height: 1.45;
}

.workspace {
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  max-width: 1360px;
  width: 100%;
}

.top-strip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 86px;
  gap: 18px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 20px;
}

#resultTitle {
  font-size: 1.45rem;
}

.score-card {
  min-width: 128px;
  padding: 14px 16px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: #ffffff;
  text-align: right;
}

.score-label {
  display: block;
  color: var(--muted);
  font-size: 0.78rem;
  margin-bottom: 4px;
}

#scoreValue {
  font-size: 1.35rem;
}

.metric-grid {
  display: grid;
  grid-template-columns: 170px 210px minmax(260px, 1fr);
  gap: 12px;
}

.metric-card {
  min-height: 78px;
  display: grid;
  align-content: center;
  gap: 5px;
  padding: 14px 16px;
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.metric-card span {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 760;
  text-transform: uppercase;
}

.metric-card strong {
  font-size: 1.25rem;
  line-height: 1.25;
}

.metric-card.wide strong {
  font-size: 1rem;
  font-weight: 760;
}

.summary-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr 1fr;
  gap: 16px;
}

.insight-card {
  padding: 18px;
  min-height: 132px;
}

.insight-card h3 {
  margin-bottom: 12px;
}

.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  border-radius: 999px;
  padding: 5px 10px;
  background: #edf3f2;
  border: 1px solid #d7e5e3;
  color: #21423f;
  font-size: 0.86rem;
  font-weight: 700;
}

.tag.blue {
  background: #edf3ff;
  border-color: #cfdbf0;
  color: var(--blue);
}

.tag.violet {
  background: #f2eff8;
  border-color: #ddd4ed;
  color: var(--violet);
}

.data-shape {
  display: grid;
  gap: 8px;
  color: var(--muted);
  line-height: 1.4;
}

.clean-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 10px;
}

.clean-list li {
  padding-left: 14px;
  border-left: 3px solid #c7dfdd;
  color: #334047;
  line-height: 1.45;
}

.split-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(360px, 0.9fr);
  gap: 16px;
  align-items: start;
}

.mini-tabs {
  display: inline-flex;
  padding: 3px;
  background: #eef2f1;
  border-radius: 8px;
  gap: 2px;
}

.tab {
  min-height: 34px;
  padding: 0 12px;
  background: transparent;
  color: #41505a;
}

.tab.active {
  background: #ffffff;
  border-color: #d8dee2;
  color: var(--ink);
  box-shadow: 0 6px 16px rgba(23, 32, 38, 0.08);
}

.dataset-list {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

.dataset-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px;
  display: grid;
  gap: 10px;
  background: #fff;
}

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

.dataset-title {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.dataset-title h3 {
  font-size: 1rem;
}

.badge {
  border-radius: 999px;
  padding: 4px 8px;
  font-size: 0.74rem;
  font-weight: 800;
}

.badge.open {
  background: #e7f5ed;
  color: var(--green);
}

.badge.restricted {
  background: #fff4dd;
  color: var(--gold);
}

.match-score {
  min-width: 58px;
  color: var(--teal);
  font-weight: 850;
  text-align: right;
}

.score-wrap {
  min-width: 84px;
  display: grid;
  gap: 6px;
  justify-items: end;
}

.match-meter {
  width: 84px;
  height: 6px;
  overflow: hidden;
  border-radius: 999px;
  background: #e5ebea;
}

.match-meter span {
  display: block;
  height: 100%;
  background: var(--teal);
}

.dataset-card p {
  color: var(--muted);
  line-height: 1.45;
}

.fit-line {
  color: #334047;
}

.dataset-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.meta-pill {
  padding: 5px 8px;
  background: #f4f6f6;
  border-radius: 6px;
  color: #4c5962;
  font-size: 0.8rem;
}

.dataset-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.dataset-actions a {
  min-height: 34px;
  display: inline-flex;
  align-items: center;
  padding: 0 10px;
  border-radius: 8px;
  color: var(--teal);
  background: #edf7f6;
  text-decoration: none;
  font-weight: 750;
}

details {
  border-top: 1px solid #edf0f1;
  padding-top: 8px;
}

summary {
  cursor: pointer;
  color: var(--teal);
  font-weight: 780;
}

.details-grid {
  display: grid;
  gap: 8px;
  margin-top: 10px;
}

.source-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.source-chip {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 4px 8px;
  border-radius: 999px;
  font-size: 0.76rem;
  font-weight: 780;
}

.source-chip.ok {
  background: #e7f5ed;
  color: var(--green);
}

.source-chip.warn {
  background: #fff4dd;
  color: var(--gold);
}

.design-stack {
  display: grid;
  gap: 22px;
  margin-top: 18px;
}

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

.paper-card {
  display: grid;
  gap: 8px;
  padding: 12px;
  border: 1px solid #e3e8ea;
  border-radius: 8px;
  background: #fbfcfc;
}

.paper-top {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 8px;
}

.paper-proxy {
  color: var(--ink);
  font-size: 0.86rem;
  font-weight: 800;
  line-height: 1.35;
}

.paper-construct {
  flex: 0 0 auto;
  max-width: 42%;
  padding: 4px 7px;
  border-radius: 999px;
  background: #edf3ff;
  color: var(--blue);
  font-size: 0.72rem;
  font-weight: 800;
  text-align: right;
}

.paper-card p {
  color: #334047;
  font-size: 0.88rem;
  line-height: 1.45;
}

.paper-card .paper-note {
  color: var(--muted);
}

.paper-card a {
  color: var(--teal);
  font-weight: 780;
  text-decoration: none;
  font-size: 0.86rem;
}

@media (max-width: 1040px) {
  .app-shell,
  .split-layout,
  .summary-grid,
  .metric-grid {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
    height: auto;
  }
}

@media (max-width: 620px) {
  .sidebar,
  .workspace {
    padding: 18px;
  }

  .top-strip,
  .section-head,
  .dataset-top {
    align-items: stretch;
    flex-direction: column;
  }

  .score-card {
    text-align: left;
  }

  .paper-top {
    display: grid;
  }

  .paper-construct {
    max-width: 100%;
    text-align: left;
    justify-self: start;
  }
}