:root {
  --bg: #f4f1ea;
  --surface: #fffdf8;
  --surface-2: #ebe5d9;
  --ink: #171717;
  --muted: #6f6a60;
  --line: #d8d0c2;
  --line-strong: #b9ad9c;
  --accent: #0f766e;
  --accent-strong: #115e59;
  --accent-soft: #d9f0eb;
  --warn: #a16207;
  --dark: #1f2421;
  --shadow: 0 18px 50px rgba(42, 38, 31, 0.08);
  --sans: "Aptos", "Segoe UI", ui-sans-serif, system-ui, -apple-system, sans-serif;
  --mono: "Cascadia Code", "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
  color: var(--ink);
  background: var(--bg);
  font-family: var(--sans);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-width: 320px;
  background:
    linear-gradient(180deg, rgba(255, 253, 248, 0.84), rgba(244, 241, 234, 0.96) 34rem),
    var(--bg);
}

button,
input {
  font: inherit;
}

button {
  min-height: 42px;
  border: 1px solid var(--dark);
  border-radius: 8px;
  background: var(--dark);
  color: #fffdf8;
  font-weight: 750;
  cursor: pointer;
  transition:
    transform 0.15s ease,
    border-color 0.15s ease,
    background 0.15s ease;
}

button:hover {
  transform: translateY(-1px);
}

button.secondary {
  background: transparent;
  color: var(--ink);
  border-color: var(--line-strong);
}

button.dark {
  background: var(--accent-strong);
  border-color: var(--accent-strong);
}

button:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

input {
  width: 100%;
  min-height: 44px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  padding: 0 12px;
  color: var(--ink);
  background: #fff;
  outline: none;
}

input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(15, 118, 110, 0.14);
}

.page {
  max-width: 1240px;
  margin: 0 auto;
  padding: 20px 22px 42px;
}

.nav {
  min-height: 62px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 30px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand span {
  display: block;
  font-size: 1rem;
  font-weight: 850;
}

.brand small {
  display: block;
  margin-top: 2px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.72rem;
}

.brandMark {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border: 1px solid var(--dark);
  border-radius: 9px;
  color: #fffdf8;
  background: var(--dark);
  font-family: var(--mono);
  font-weight: 900;
}

.navPills {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.navPills span,
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 7px 10px;
  background: rgba(255, 253, 248, 0.8);
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 650;
}

.eyebrow span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
}

.workspaceHeader {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(430px, 0.95fr);
  gap: 24px;
  align-items: end;
  margin-bottom: 18px;
}

.titleBlock h1 {
  margin: 14px 0 10px;
  max-width: 720px;
  font-size: clamp(2.2rem, 4.8vw, 4.25rem);
  line-height: 0.98;
  letter-spacing: 0;
  font-weight: 880;
}

.titleBlock p,
.panel p,
.workspace p,
.accountCard p,
footer {
  color: var(--muted);
  line-height: 1.55;
  font-size: 0.98rem;
}

.topGrid {
  display: grid;
  grid-template-columns: minmax(340px, 0.8fr) minmax(0, 1.2fr);
  gap: 14px;
  margin: 18px 0;
}

.accountCard,
.panel,
.workspace,
.resultCard,
.sessionNotice,
.jobCard {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 10px;
  box-shadow: var(--shadow);
}

.accountCard,
.panel,
.workspace {
  padding: 20px;
}

.accountCard form,
.panel form {
  display: grid;
  gap: 11px;
}

.accountSignedIn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.accountSignedIn h2 {
  margin-bottom: 2px;
}

.tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.tabs button {
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--line);
  box-shadow: none;
}

.tabs button.active {
  color: #fffdf8;
  background: var(--dark);
  border-color: var(--dark);
}

.kicker {
  color: var(--accent-strong);
  text-transform: uppercase;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0;
  font-weight: 900;
}

.sectionHead {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 18px;
}

.sectionHead h2,
.panel h2,
.accountCard h2,
.resultsHead h2 {
  margin: 7px 0 4px;
  font-size: 1.2rem;
  font-weight: 820;
}

.notice,
.busy {
  border-radius: 8px;
  padding: 12px 14px;
  margin: 14px 0;
  font-weight: 700;
}

.notice {
  border: 1px solid #9dc9c0;
  background: #edf8f5;
  color: #115e59;
}

.notice.danger {
  border-color: #efc4b3;
  background: #fff4ef;
  color: #9f3412;
}

.busy {
  border: 1px solid #d6c38e;
  color: var(--warn);
  background: #fff9e8;
}

.sessionNotice {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px;
  box-shadow: none;
}

.sessionNotice p {
  margin: 4px 0 0;
  color: var(--muted);
}

.sessionNotice strong {
  color: var(--ink);
  font-family: var(--mono);
}

.sessionNotice button {
  min-width: 126px;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.metric {
  min-height: 92px;
  padding: 16px;
  border-right: 1px solid var(--line);
}

.metric:last-child {
  border-right: 0;
}

.metric span {
  display: block;
  color: var(--muted);
  font-size: 0.78rem;
}

.metric strong {
  display: block;
  margin-top: 8px;
  font-family: var(--mono);
  font-size: 1.2rem;
}

.jobCard {
  padding: 16px;
  margin: 14px 0;
  box-shadow: none;
}

.jobCard.completed {
  border-color: #9dc9a8;
}

.jobCard.failed {
  border-color: #efc4b3;
}

.jobTop {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
}

.jobTop h2 {
  margin: 6px 0 4px;
}

.jobTop p {
  margin: 0;
  color: var(--muted);
}

.jobTop strong {
  color: var(--accent-strong);
  font-family: var(--mono);
  font-size: 1.1rem;
}

.progressTrack {
  height: 8px;
  border-radius: 999px;
  background: var(--surface-2);
  overflow: hidden;
  margin: 14px 0 10px;
}

.progressTrack div {
  height: 100%;
  border-radius: inherit;
  background: var(--accent);
  transition: width 0.25s ease;
}

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

.jobMeta span {
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  padding: 5px 9px;
  font-size: 0.78rem;
  font-weight: 700;
}

.jobError {
  margin-top: 12px;
  color: #9f3412;
  background: #fff4ef;
  border: 1px solid #efc4b3;
  border-radius: 8px;
  padding: 12px;
}

.workspace {
  margin: 18px 0;
}

.indexGrid,
.queryGrid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.panel label {
  display: grid;
  gap: 8px;
  color: var(--ink);
  font-size: 0.88rem;
  font-weight: 780;
}

.queryGrid {
  align-items: start;
  margin-top: 18px;
}

.searchForm,
.chatForm {
  margin-top: 14px;
}

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

.controls label {
  grid-template-columns: 1fr;
}

input[type="range"] {
  min-height: auto;
  padding: 0;
  accent-color: var(--accent);
  box-shadow: none;
}

.resultsHead {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
  margin: 24px 0 12px;
}

.resultsHead > span {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.78rem;
}

.results {
  display: grid;
  gap: 12px;
  margin: 0 0 20px;
}

.resultCard {
  padding: 18px;
  box-shadow: none;
}

.resultTop {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: flex-start;
  margin-bottom: 14px;
}

.resultTop h3 {
  margin: 0 0 4px;
  font-weight: 820;
}

.resultTop p {
  margin: 0;
  color: var(--muted);
}

.resultTop a {
  color: var(--accent-strong);
  font-weight: 800;
  text-decoration: none;
}

.excerpt {
  border-left: 3px solid var(--accent);
  background: #faf7f0;
  padding: 12px 14px;
  margin-top: 10px;
}

.excerpt span {
  display: block;
  color: var(--muted);
  font-size: 0.78rem;
  font-family: var(--mono);
  font-weight: 700;
  margin-bottom: 8px;
}

.excerpt p {
  margin: 0;
  white-space: pre-wrap;
}

.answer {
  margin-top: 14px;
  border-radius: 8px;
  background: #faf7f0;
  border: 1px solid var(--line);
  padding: 14px;
  line-height: 1.65;
  white-space: pre-wrap;
}

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

.answerTop span {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 4px 8px;
  color: var(--muted);
  background: var(--surface);
  font-family: var(--mono);
  font-size: 0.72rem;
}

.groundedBadge.grounded {
  border-color: #8fbc9b;
  color: #166534;
  background: #eef8ef;
}

.groundedBadge.partially_grounded {
  border-color: #d6c38e;
  color: #854d0e;
  background: #fff9e8;
}

.groundedBadge.insufficient_evidence {
  border-color: #efc4b3;
  color: #9f3412;
  background: #fff4ef;
}

.answer > p {
  margin: 0;
}

.citations,
.unsupportedClaims {
  display: grid;
  gap: 10px;
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.citation {
  border-left: 3px solid var(--line-strong);
  padding-left: 10px;
}

.citation strong {
  display: block;
  margin-bottom: 4px;
  font-size: 0.86rem;
}

.citation p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.unsupportedClaims ul {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
}

footer {
  margin-top: 26px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.76rem;
}

@media (max-width: 960px) {
  .workspaceHeader,
  .topGrid,
  .indexGrid,
  .queryGrid,
  .controls {
    grid-template-columns: 1fr;
  }

  .metrics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .metric:nth-child(2) {
    border-right: 0;
  }

  .metric:nth-child(-n + 2) {
    border-bottom: 1px solid var(--line);
  }
}

@media (max-width: 680px) {
  .page {
    padding: 16px 14px 34px;
  }

  .nav {
    align-items: flex-start;
    flex-direction: column;
    padding-bottom: 14px;
    margin-bottom: 24px;
  }

  .navPills {
    justify-content: flex-start;
  }

  .titleBlock h1 {
    font-size: 2.45rem;
  }

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

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

  .metric:last-child {
    border-bottom: 0;
  }

  .accountSignedIn,
  .sessionNotice,
  .resultTop {
    align-items: stretch;
    flex-direction: column;
  }
}