:root {
  color-scheme: light;
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: #18312f;
  background: #f3f5f0;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  --ink: #18312f;
  --ink-muted: #647570;
  --ink-soft: #87928e;
  --forest-950: #082b28;
  --forest-900: #0b3632;
  --forest-800: #134b45;
  --forest-700: #1c6359;
  --forest-600: #28776a;
  --sage-100: #dfece5;
  --sage-50: #eef5f0;
  --sand-500: #b9783b;
  --sand-200: #e6c7a4;
  --sand-100: #f4e8d8;
  --paper: #fffefa;
  --canvas: #f3f5f0;
  --line: #dbe2dc;
  --line-strong: #c8d2ca;
  --danger: #a53c31;
  --danger-soft: #fae9e6;
  --warning: #9a681d;
  --warning-soft: #fbf1dc;
  --shadow-sm: 0 1px 2px rgb(22 49 45 / 5%);
  --shadow-md: 0 18px 48px rgb(20 49 45 / 8%);
  --font-mono: ui-monospace, "SFMono-Regular", "SF Mono", Consolas, "Liberation Mono", monospace;
  --radius-lg: 18px;
  --radius-md: 12px;
  --radius-sm: 8px;
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  min-height: 100%;
  background: var(--canvas);
}

body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 91% 8%, rgb(204 223 212 / 48%), transparent 27rem), var(--canvas);
}

button,
select,
textarea {
  font: inherit;
}

button,
a,
select {
  -webkit-tap-highlight-color: transparent;
}

button {
  border: 0;
}

a {
  color: inherit;
}

button:focus-visible,
a:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 3px solid #28776a;
  outline-offset: 2px;
}

button:disabled,
select:disabled,
textarea:disabled {
  cursor: not-allowed;
}

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

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 10px;
  left: 10px;
  padding: 10px 14px;
  color: #fff;
  text-decoration: none;
  background: var(--forest-800);
  border-radius: 8px;
  transform: translateY(-150%);
  transition: transform 150ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.app-shell {
  display: grid;
  grid-template-columns: 248px minmax(0, 1fr);
  min-height: 100vh;
}

.sidebar {
  position: sticky;
  top: 0;
  display: flex;
  flex-direction: column;
  height: 100vh;
  padding: 28px 20px 22px;
  color: #eaf4ee;
  background: linear-gradient(160deg, rgb(20 75 69 / 32%), transparent 40%), var(--forest-950);
  border-right: 1px solid rgb(255 255 255 / 8%);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  padding: 0 8px;
}

.brand__mark {
  position: relative;
  flex: 0 0 42px;
  width: 42px;
  height: 42px;
  overflow: hidden;
  background: #e6c190;
  border: 1px solid rgb(255 255 255 / 24%);
  border-radius: 11px;
}

.brand__ridge {
  position: absolute;
  right: -7px;
  bottom: -12px;
  width: 50px;
  height: 34px;
  background: var(--forest-800);
  transform: rotate(34deg);
}

.brand__ridge--back {
  right: -22px;
  bottom: 2px;
  width: 45px;
  height: 25px;
  background: #c68a4d;
  transform: rotate(43deg);
}

.brand strong {
  display: block;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.brand > div:last-child span {
  display: block;
  margin-top: 2px;
  font-family: var(--font-mono);
  font-size: 10px;
  color: #9bb7ad;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nav-list {
  display: grid;
  gap: 7px;
  margin-top: 44px;
}

.nav-link {
  display: flex;
  align-items: center;
  min-height: 48px;
  gap: 12px;
  padding: 0 14px;
  font-size: 14px;
  font-weight: 500;
  color: #a7c0b7;
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: 10px;
  transition:
    color 150ms ease,
    background 150ms ease,
    border-color 150ms ease;
}

.nav-link:hover {
  color: #fff;
  background: rgb(255 255 255 / 5%);
}

.nav-link--active {
  color: #fff;
  background: rgb(230 193 144 / 11%);
  border-color: rgb(230 193 144 / 18%);
}

.nav-link--active .icon {
  color: #e8bd82;
}

.sidebar__note {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-top: auto;
  padding: 15px 13px;
  color: #abc3ba;
  background: rgb(255 255 255 / 4%);
  border: 1px solid rgb(255 255 255 / 8%);
  border-radius: 11px;
}

.sidebar__note .icon {
  flex: 0 0 auto;
  margin-top: 2px;
  color: #dfb981;
}

.sidebar__note strong,
.sidebar__note span {
  display: block;
}

.sidebar__note strong {
  font-size: 12px;
  color: #e4efe9;
}

.sidebar__note span {
  margin-top: 4px;
  font-size: 11px;
  line-height: 1.55;
}

.app-main {
  display: flex;
  min-width: 0;
  min-height: 100vh;
  flex-direction: column;
}

.mobile-header {
  display: none;
}

.page {
  width: 100%;
  max-width: 1540px;
  min-width: 0;
  margin: 0 auto;
  padding: 44px clamp(28px, 3.5vw, 58px) 56px;
}

.page-stack {
  display: grid;
  gap: 24px;
  min-width: 0;
}

.hero {
  position: relative;
  display: flex;
  min-width: 0;
  min-height: 238px;
  align-items: flex-end;
  justify-content: space-between;
  gap: 36px;
  overflow: hidden;
  padding: 36px 40px;
  color: #f5faf6;
  background: linear-gradient(110deg, rgb(5 37 34 / 96%), rgb(15 72 65 / 92%)), var(--forest-900);
  border: 1px solid rgb(8 43 40 / 60%);
  border-radius: 22px;
  box-shadow: var(--shadow-md);
}

.hero::before,
.hero::after {
  position: absolute;
  content: "";
  pointer-events: none;
}

.hero::before {
  inset: 0;
  opacity: 0.13;
  background-image:
    linear-gradient(125deg, transparent 42%, #e7c18e 42.5%, transparent 43%),
    linear-gradient(147deg, transparent 59%, #e7c18e 59.5%, transparent 60%);
}

.hero::after {
  right: -82px;
  bottom: -180px;
  width: 520px;
  height: 360px;
  border: 1px solid rgb(226 194 150 / 20%);
  border-radius: 50%;
  box-shadow:
    0 0 0 35px rgb(226 194 150 / 4%),
    0 0 0 70px rgb(226 194 150 / 3%);
}

.hero__copy {
  position: relative;
  z-index: 1;
  max-width: 790px;
  min-width: 0;
}

.mode-badge {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  gap: 8px;
  margin-bottom: 24px;
  padding: 6px 12px;
  font-size: 12px;
  font-weight: 600;
  color: #ffe3ba;
  background: rgb(226 185 127 / 11%);
  border: 1px solid rgb(234 195 141 / 30%);
  border-radius: 999px;
}

.mode-badge__dot {
  width: 7px;
  height: 7px;
  background: #e8b976;
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgb(232 185 118 / 12%);
}

.eyebrow {
  display: block;
  margin-bottom: 9px;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  color: var(--sand-500);
  letter-spacing: 0.14em;
}

.hero .eyebrow,
.system-hero .eyebrow {
  color: #d9ab6e;
}

.hero h1,
.system-hero h1 {
  margin-bottom: 14px;
  font-size: clamp(30px, 3.2vw, 47px);
  line-height: 1.16;
  letter-spacing: -0.035em;
}

.hero__lead {
  max-width: 720px;
  margin-bottom: 0;
  font-size: 15px;
  line-height: 1.85;
  color: #c5d8d0;
}

.hero__seal {
  position: relative;
  z-index: 1;
  display: grid;
  flex: 0 0 142px;
  justify-items: center;
  gap: 9px;
}

.hero__seal-ring {
  display: grid;
  width: 112px;
  height: 112px;
  place-content: center;
  text-align: center;
  border: 1px solid rgb(232 189 131 / 62%);
  border-radius: 50%;
  box-shadow:
    inset 0 0 0 6px rgb(232 189 131 / 7%),
    0 0 0 1px rgb(232 189 131 / 10%);
}

.hero__seal-ring span {
  font-family: var(--font-mono);
  font-size: 25px;
  color: #f0ca95;
  letter-spacing: 0.12em;
}

.hero__seal-ring small {
  margin-top: 3px;
  font-family: var(--font-mono);
  font-size: 10px;
  color: #98b7ab;
  letter-spacing: 0.2em;
}

.hero__coordinates {
  font-family: var(--font-mono);
  font-size: 10px;
  color: #8ca99f;
  letter-spacing: 0.08em;
}

.safety-notice {
  display: flex;
  align-items: center;
  gap: 15px;
  min-height: 52px;
  padding: 10px 17px;
  font-size: 12px;
  line-height: 1.6;
  color: #6c604d;
  background: #f8f2e8;
  border: 1px solid #e9dbc7;
  border-radius: 11px;
}

.safety-notice strong {
  flex: 0 0 auto;
  padding-right: 14px;
  color: #895d2f;
  border-right: 1px solid #ddcbb3;
}

.status-overview {
  display: grid;
  grid-template-columns: minmax(290px, 1.15fr) minmax(420px, 1fr);
  gap: 16px;
  min-width: 0;
}

.status-callout {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 14px;
  padding: 17px 19px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.status-callout__icon {
  display: grid;
  flex: 0 0 38px;
  width: 38px;
  height: 38px;
  place-items: center;
  color: var(--forest-700);
  background: var(--sage-50);
  border-radius: 50%;
}

.status-callout h2 {
  margin-bottom: 3px;
  font-size: 14px;
}

.status-callout p {
  margin-bottom: 0;
  font-size: 11px;
  line-height: 1.55;
  color: var(--ink-muted);
}

.status-retry {
  min-height: 44px;
  padding: 0 12px;
  margin-top: 9px;
  font-size: 10px;
  font-weight: 600;
  color: var(--forest-700);
  cursor: pointer;
  background: transparent;
  border: 1px solid currentcolor;
  border-radius: 8px;
}

.status-retry:disabled {
  color: var(--ink-soft);
}

.status-callout__title-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.status-callout--ready {
  border-color: #c9ded2;
}

.status-callout--ready .status-callout__icon {
  color: #19715f;
  background: #e1f2e9;
}

.status-callout--warning {
  border-color: #ead9ba;
}

.status-callout--warning .status-callout__icon {
  color: var(--warning);
  background: var(--warning-soft);
}

.status-callout--danger {
  border-color: #edcbc5;
}

.status-callout--danger .status-callout__icon {
  color: var(--danger);
  background: var(--danger-soft);
}

.status-sync {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  color: var(--forest-600);
  letter-spacing: 0.08em;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  min-width: 0;
}

.metric-card {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 10px;
  padding: 14px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.metric-card__icon {
  display: grid;
  flex: 0 0 34px;
  width: 34px;
  height: 34px;
  place-items: center;
  color: var(--forest-600);
  background: #edf3ef;
  border-radius: 9px;
}

.metric-card strong,
.metric-card span {
  display: block;
}

.metric-card strong {
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--ink);
}

.metric-card span {
  margin-top: 1px;
  font-size: 10px;
  color: var(--ink-muted);
}

.workspace-grid {
  display: grid;
  grid-template-columns: minmax(340px, 0.82fr) minmax(430px, 1.18fr);
  gap: 20px;
  min-width: 0;
  align-items: start;
}

.search-panel,
.results-panel,
.system-section {
  min-width: 0;
  padding: 25px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.section-heading {
  display: flex;
  min-width: 0;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 22px;
}

.section-heading h2 {
  margin-bottom: 0;
  font-size: 19px;
  line-height: 1.35;
  letter-spacing: -0.015em;
}

.section-heading__meta,
.results-count {
  flex: 0 0 auto;
  padding: 6px 9px;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--ink-muted);
  background: #f3f6f3;
  border: 1px solid var(--line);
  border-radius: 6px;
}

.search-form {
  min-width: 0;
}

.field-label {
  display: inline-block;
  margin-bottom: 8px;
  font-size: 12px;
  font-weight: 600;
  color: #415b56;
}

.query-box {
  position: relative;
  min-width: 0;
  border: 1px solid var(--line-strong);
  border-radius: 11px;
  transition:
    border-color 150ms ease,
    box-shadow 150ms ease;
}

.query-box:focus-within {
  border-color: var(--forest-600);
  box-shadow: 0 0 0 3px rgb(40 119 106 / 11%);
}

.query-box--error {
  border-color: #c76054;
}

.query-box textarea {
  display: block;
  width: 100%;
  min-height: 128px;
  max-height: 260px;
  padding: 14px 14px 35px;
  color: var(--ink);
  line-height: 1.75;
  resize: vertical;
  background: #fcfdfa;
  border: 0;
  border-radius: 11px;
}

.query-box textarea::placeholder {
  color: #9ba7a3;
}

.query-box textarea:focus {
  outline: 0;
}

.query-box textarea:disabled {
  color: #8c9894;
  background: #f1f3f0;
}

.character-count {
  position: absolute;
  right: 11px;
  bottom: 9px;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--ink-soft);
  pointer-events: none;
}

.character-count--warning {
  color: var(--warning);
}

.field-hint,
.field-error {
  margin: 7px 1px 0;
  font-size: 10px;
  line-height: 1.5;
}

.field-hint {
  color: var(--ink-soft);
}

.field-error {
  color: var(--danger);
}

.search-controls {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 14px;
  margin-top: 17px;
}

.top-k-control {
  display: grid;
  min-width: 132px;
  gap: 6px;
  font-size: 11px;
  color: var(--ink-muted);
}

.top-k-control span {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.top-k-control small {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--ink-soft);
}

.top-k-control select {
  min-width: 112px;
  min-height: 44px;
  padding: 0 34px 0 12px;
  color: var(--ink);
  cursor: pointer;
  background: #fcfdfa;
  border: 1px solid var(--line-strong);
  border-radius: 9px;
}

.primary-button {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 0 17px;
  font-size: 12px;
  font-weight: 600;
  color: #fff;
  text-decoration: none;
  cursor: pointer;
  background: var(--forest-700);
  border: 1px solid var(--forest-700);
  border-radius: 9px;
  box-shadow: 0 7px 18px rgb(16 83 74 / 16%);
  transition:
    background 150ms ease,
    transform 150ms ease;
}

.primary-button:hover:not(:disabled) {
  background: var(--forest-800);
  transform: translateY(-1px);
}

.primary-button:disabled {
  color: #aeb8b4;
  background: #e4e8e4;
  border-color: #e0e4e0;
  box-shadow: none;
}

.button-spinner {
  width: 16px;
  height: 16px;
  border: 2px solid rgb(255 255 255 / 35%);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 700ms linear infinite;
}

.disabled-note {
  display: flex;
  align-items: flex-start;
  gap: 7px;
  margin: 13px 0 0;
  padding: 10px 11px;
  font-size: 10px;
  line-height: 1.55;
  color: #735f45;
  background: var(--warning-soft);
  border-radius: 8px;
}

.disabled-note .icon {
  flex: 0 0 auto;
  margin-top: 1px;
}

.examples {
  padding-top: 20px;
  margin-top: 21px;
  border-top: 1px solid #e7ebe7;
}

.examples > p {
  margin-bottom: 10px;
  font-size: 10px;
  color: var(--ink-soft);
}

.example-list {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.example-chip {
  min-height: 44px;
  padding: 8px 11px;
  font-size: 10px;
  line-height: 1.45;
  color: #46625c;
  text-align: left;
  cursor: pointer;
  background: #f3f7f3;
  border: 1px solid #dce6df;
  border-radius: 8px;
  transition:
    color 150ms ease,
    background 150ms ease,
    border-color 150ms ease;
}

.example-chip:hover:not(:disabled) {
  color: var(--forest-800);
  background: #eaf3ed;
  border-color: #bed5c8;
}

.example-chip:disabled {
  color: #98a29e;
  background: #f3f4f2;
}

.results-panel {
  min-height: 570px;
}

.section-heading--results {
  margin-bottom: 18px;
}

.result-state {
  display: flex;
  min-height: 430px;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  padding: 34px;
  text-align: center;
  background: #f8faf7;
  border: 1px dashed #d5ded7;
  border-radius: 13px;
}

.result-state h3 {
  margin: 19px 0 7px;
  font-size: 15px;
}

.result-state p {
  max-width: 460px;
  margin-bottom: 0;
  font-size: 11px;
  line-height: 1.75;
  color: var(--ink-muted);
}

.secondary-button {
  min-height: 44px;
  padding: 0 14px;
  margin-top: 17px;
  font-size: 11px;
  font-weight: 600;
  color: var(--forest-700);
  cursor: pointer;
  background: #fff;
  border: 1px solid #b9cdc2;
  border-radius: 8px;
}

.result-state__illustration {
  position: relative;
  display: grid;
  width: 116px;
  height: 94px;
  place-items: center;
  overflow: hidden;
  color: var(--forest-700);
  background: #e8f0eb;
  border: 1px solid #d4e2d9;
  border-radius: 48% 52% 44% 56% / 55% 43% 57% 45%;
}

.result-state__illustration .icon {
  position: relative;
  z-index: 2;
  padding: 5px;
  background: rgb(238 245 240 / 74%);
  border-radius: 50%;
}

.strata {
  position: absolute;
  left: -10%;
  width: 120%;
  height: 1px;
  background: #9ebcaf;
  transform: rotate(-8deg);
}

.strata--one {
  top: 29%;
}

.strata--two {
  top: 50%;
}

.strata--three {
  top: 70%;
}

.result-state__icon {
  display: grid;
  width: 48px;
  height: 48px;
  place-items: center;
  color: var(--forest-700);
  background: var(--sage-100);
  border-radius: 50%;
}

.result-state--error {
  color: var(--danger);
  background: #fdf8f7;
  border-color: #e9c5bf;
}

.result-state--error .result-state__icon {
  color: var(--danger);
  background: var(--danger-soft);
}

.result-state--empty {
  color: var(--warning);
  background: #fcfaf4;
  border-color: #e8d6b8;
}

.result-skeleton {
  display: grid;
  gap: 11px;
}

.skeleton-card {
  display: grid;
  gap: 11px;
  padding: 19px;
  background: #fafbf8;
  border: 1px solid #e4e8e3;
  border-radius: 11px;
}

.skeleton-line {
  display: block;
  width: 100%;
  height: 9px;
  overflow: hidden;
  background: #e5eae5;
  border-radius: 999px;
}

.skeleton-line::after {
  display: block;
  width: 45%;
  height: 100%;
  content: "";
  background: linear-gradient(90deg, transparent, rgb(255 255 255 / 76%), transparent);
  transform: translateX(-100%);
  animation: shimmer 1.4s ease-in-out infinite;
}

.skeleton-line--short {
  width: 22%;
  height: 6px;
}

.skeleton-line--title {
  width: 58%;
  height: 14px;
}

.skeleton-line--medium {
  width: 73%;
}

.source-list {
  display: grid;
  gap: 11px;
}

.query-summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  padding: 12px 14px;
  background: #f4f7f3;
  border-left: 3px solid var(--sand-500);
  border-radius: 4px 8px 8px 4px;
}

.query-summary span {
  padding-top: 1px;
  font-size: 10px;
  font-weight: 600;
  color: var(--ink-soft);
}

.query-summary p {
  min-width: 0;
  margin-bottom: 0;
  overflow-wrap: anywhere;
  font-size: 11px;
  line-height: 1.55;
  color: #3b5550;
}

.source-card {
  position: relative;
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  min-width: 0;
  gap: 12px;
  padding: 17px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  transition:
    border-color 150ms ease,
    box-shadow 150ms ease,
    transform 150ms ease;
}

.source-card:hover {
  border-color: #becfc5;
  box-shadow: 0 11px 28px rgb(25 69 62 / 8%);
  transform: translateY(-1px);
}

.source-card__rank {
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--forest-700);
  background: var(--sage-50);
  border: 1px solid #d7e5dc;
  border-radius: 9px;
}

.source-card__body {
  min-width: 0;
}

.source-card__header {
  display: flex;
  min-width: 0;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
}

.source-card__header > div:first-child {
  min-width: 0;
}

.source-card__type {
  display: block;
  margin-bottom: 5px;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--sand-500);
  letter-spacing: 0.1em;
}

.source-card h3 {
  margin-bottom: 0;
  overflow-wrap: anywhere;
  font-size: 14px;
  line-height: 1.45;
}

.score {
  display: grid;
  flex: 0 0 auto;
  justify-items: end;
  gap: 2px;
}

.score span {
  font-size: 10px;
  color: var(--ink-muted);
}

.score strong {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  color: var(--forest-700);
}

.source-card__snippet {
  margin: 12px 0 13px;
  overflow-wrap: anywhere;
  font-size: 11px;
  line-height: 1.75;
  color: #526963;
}

.source-card__footer {
  display: flex;
  min-width: 0;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding-top: 11px;
  border-top: 1px solid #ebeeeb;
}

.source-meta {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 8px;
  font-size: 10px;
  color: var(--ink-soft);
}

.source-meta__divider {
  flex: 0 0 1px;
  width: 1px;
  height: 11px;
  background: var(--line);
}

.source-meta code {
  min-width: 0;
  overflow: hidden;
  font-family: var(--font-mono);
  font-size: 11px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.copy-button {
  display: inline-flex;
  flex: 0 0 auto;
  min-height: 44px;
  align-items: center;
  gap: 6px;
  padding: 0 10px;
  font-size: 11px;
  color: var(--forest-700);
  cursor: pointer;
  background: var(--sage-50);
  border: 1px solid #d2e0d7;
  border-radius: 7px;
}

.copy-button:hover {
  background: #e4efe8;
}

.source-card__limitation {
  margin: 8px 0 0;
  font-size: 12px;
  line-height: 1.55;
  color: #52645e;
}

.score-disclaimer {
  margin: 2px 0 0;
  padding: 10px 12px;
  font-size: 12px;
  line-height: 1.55;
  color: #4f615b;
  background: #f7f8f5;
  border-radius: 7px;
}

.system-hero {
  display: flex;
  min-width: 0;
  align-items: flex-end;
  justify-content: space-between;
  gap: 28px;
  padding: 34px 38px;
  color: #f5faf6;
  background:
    radial-gradient(circle at 88% 25%, rgb(199 151 91 / 18%), transparent 16rem), var(--forest-950);
  border-radius: 21px;
  box-shadow: var(--shadow-md);
}

.system-hero > div:first-child {
  max-width: 720px;
  min-width: 0;
}

.system-hero p {
  margin-bottom: 0;
  font-size: 13px;
  line-height: 1.8;
  color: #bbd0c8;
}

.verification-stamp {
  display: flex;
  flex: 0 0 284px;
  align-items: flex-start;
  gap: 11px;
  padding: 15px;
  color: #f2cc98;
  background: rgb(225 183 125 / 9%);
  border: 1px solid rgb(225 183 125 / 25%);
  border-radius: 11px;
}

.verification-stamp .icon {
  flex: 0 0 auto;
  margin-top: 1px;
}

.verification-stamp strong,
.verification-stamp span {
  display: block;
}

.verification-stamp strong {
  font-size: 12px;
}

.verification-stamp span {
  margin-top: 4px;
  font-size: 10px;
  line-height: 1.5;
  color: #b9c9c2;
}

.verified-label {
  display: inline-flex;
  min-height: 30px;
  align-items: center;
  gap: 5px;
  padding: 4px 9px;
  font-size: 10px;
  color: #1b705f;
  background: #e6f2eb;
  border: 1px solid #cde3d6;
  border-radius: 999px;
}

.pipeline-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  padding: 0;
  margin: 0;
  list-style: none;
  border: 1px solid var(--line);
  border-radius: 12px;
}

.pipeline-list li {
  position: relative;
  display: flex;
  min-width: 0;
  min-height: 108px;
  align-items: flex-start;
  gap: 10px;
  padding: 18px 15px;
}

.pipeline-list li + li {
  border-left: 1px solid var(--line);
}

.pipeline-list__index {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--sand-500);
}

.pipeline-list strong {
  display: block;
  margin-bottom: 6px;
  font-size: 12px;
}

.pipeline-list p {
  margin-bottom: 0;
  font-size: 11px;
  line-height: 1.6;
  color: var(--ink-muted);
}

.model-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.model-card {
  min-width: 0;
  padding: 17px;
  background: #fbfcf9;
  border: 1px solid var(--line);
  border-radius: 12px;
}

.model-card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 9px;
  margin-bottom: 18px;
}

.model-card__icon {
  display: grid;
  flex: 0 0 36px;
  width: 36px;
  height: 36px;
  place-items: center;
  color: var(--forest-700);
  background: var(--sage-50);
  border-radius: 9px;
}

.model-state {
  padding: 4px 7px;
  font-size: 10px;
  line-height: 1.4;
  text-align: center;
  border-radius: 999px;
}

.model-state--verified {
  color: #176b5b;
  background: #e3f0e8;
}

.model-state--planned {
  color: #8d5e22;
  background: var(--warning-soft);
}

.model-card__role {
  display: block;
  margin-bottom: 5px;
  font-size: 10px;
  color: var(--ink-soft);
}

.model-card h3 {
  margin-bottom: 9px;
  overflow-wrap: anywhere;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.5;
  color: #294b46;
}

.model-card p {
  margin-bottom: 0;
  font-size: 11px;
  line-height: 1.7;
  color: var(--ink-muted);
}

.boundary-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.boundary-card {
  display: flex;
  min-width: 0;
  gap: 13px;
  padding: 19px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 12px;
}

.boundary-card > .icon {
  flex: 0 0 auto;
  color: var(--sand-500);
}

.boundary-card h2 {
  margin-bottom: 6px;
  font-size: 12px;
}

.boundary-card p {
  margin-bottom: 0;
  font-size: 11px;
  line-height: 1.7;
  color: var(--ink-muted);
}

.not-found {
  display: flex;
  min-height: 70vh;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  text-align: center;
}

.not-found > span {
  font-family: var(--font-mono);
  font-size: 66px;
  color: #a9bbb3;
}

.not-found h1 {
  margin: 12px 0 8px;
  font-size: 24px;
}

.not-found p {
  margin-bottom: 22px;
  font-size: 12px;
  color: var(--ink-muted);
}

.footer {
  display: flex;
  width: 100%;
  max-width: 1540px;
  justify-content: space-between;
  gap: 16px;
  padding: 0 clamp(28px, 3.5vw, 58px) 25px;
  margin: auto auto 0;
  font-size: 10px;
  color: #8a9692;
}

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

@keyframes shimmer {
  to {
    transform: translateX(260%);
  }
}

@media (max-width: 1180px) {
  .status-overview,
  .workspace-grid {
    grid-template-columns: 1fr;
  }

  .metric-grid {
    min-height: 74px;
  }

  .results-panel {
    min-height: 480px;
  }

  .result-state {
    min-height: 340px;
  }

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

@media (max-width: 860px) {
  .app-shell {
    display: block;
  }

  .sidebar {
    display: none;
  }

  .mobile-header {
    position: sticky;
    z-index: 20;
    top: 0;
    display: flex;
    min-height: 68px;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 9px 18px;
    color: #f0f7f3;
    background: rgb(8 43 40 / 96%);
    border-bottom: 1px solid rgb(255 255 255 / 10%);
    backdrop-filter: blur(13px);
  }

  .brand--mobile {
    padding: 0;
  }

  .brand--mobile .brand__mark {
    flex-basis: 38px;
    width: 38px;
    height: 38px;
  }

  .brand--mobile strong {
    font-size: 15px;
  }

  .mobile-nav {
    display: flex;
    gap: 5px;
  }

  .mobile-nav__link {
    display: grid;
    width: 44px;
    height: 44px;
    place-items: center;
    color: #a5bdb4;
    border-radius: 9px;
  }

  .mobile-nav__link--active {
    color: #f0c78f;
    background: rgb(255 255 255 / 8%);
  }

  .page {
    padding: 24px 18px 38px;
  }

  .hero {
    min-height: 0;
    padding: 29px;
  }

  .hero__seal {
    display: none;
  }

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

  .pipeline-list li + li {
    border-left: 0;
  }

  .pipeline-list li:nth-child(even) {
    border-left: 1px solid var(--line);
  }

  .pipeline-list li:nth-child(n + 3) {
    border-top: 1px solid var(--line);
  }

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

  .system-hero {
    align-items: stretch;
    flex-direction: column;
    padding: 29px;
  }

  .verification-stamp {
    flex-basis: auto;
  }

  .footer {
    padding: 0 18px 20px;
  }
}

@media (max-width: 600px) {
  .page-stack {
    gap: 16px;
  }

  .hero,
  .system-hero {
    padding: 24px 20px;
    border-radius: 16px;
  }

  .hero h1,
  .system-hero h1 {
    font-size: 29px;
  }

  .mode-badge {
    align-items: flex-start;
    line-height: 1.5;
    border-radius: 12px;
  }

  .mode-badge__dot {
    flex: 0 0 auto;
    margin-top: 5px;
  }

  .safety-notice {
    align-items: flex-start;
    flex-direction: column;
    gap: 6px;
    padding: 13px 15px;
  }

  .safety-notice strong {
    padding-right: 0;
    border-right: 0;
  }

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

  .metric-card {
    min-height: 62px;
  }

  .search-panel,
  .results-panel,
  .system-section {
    padding: 19px 16px;
    border-radius: 14px;
  }

  .section-heading {
    align-items: flex-start;
    flex-direction: column;
    gap: 9px;
  }

  .section-heading__meta {
    max-width: 100%;
    white-space: normal;
  }

  .search-controls {
    align-items: stretch;
    flex-direction: column;
  }

  .top-k-control,
  .top-k-control select {
    width: 100%;
  }

  .primary-button {
    width: 100%;
  }

  .results-panel {
    min-height: 440px;
  }

  .result-state {
    min-height: 320px;
    padding: 24px 17px;
  }

  .query-summary {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .source-card {
    grid-template-columns: 1fr;
    padding: 15px;
  }

  .source-card__rank {
    width: 32px;
    height: 32px;
  }

  .source-card__header {
    flex-direction: column;
  }

  .score {
    justify-items: start;
  }

  .source-card__footer {
    align-items: stretch;
    flex-direction: column;
  }

  .source-meta {
    min-width: 0;
    flex-wrap: wrap;
  }

  .source-meta code {
    max-width: 100%;
  }

  .copy-button {
    justify-content: center;
  }

  .model-grid,
  .pipeline-list {
    grid-template-columns: 1fr;
  }

  .pipeline-list li:nth-child(even) {
    border-left: 0;
  }

  .pipeline-list li:nth-child(n + 2) {
    border-top: 1px solid var(--line);
  }

  .footer {
    align-items: flex-start;
    flex-direction: column;
    gap: 5px;
  }
}

@media (max-width: 360px) {
  .mobile-header {
    padding-right: 10px;
    padding-left: 12px;
  }

  .page {
    padding-right: 12px;
    padding-left: 12px;
  }

  .brand--mobile strong {
    font-size: 14px;
  }

  .hero h1,
  .system-hero h1 {
    font-size: 26px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}