:root {
  --ink: #16201d;
  --muted: #60716b;
  --soft: #eef3ef;
  --paper: #f7f8f5;
  --panel: #ffffff;
  --line: #d8e1dc;
  --green: #1f6b52;
  --green-dark: #113d31;
  --blue: #2f6f91;
  --coral: #b85042;
  --amber: #ba7c21;
  --shadow: 0 18px 48px rgba(17, 61, 49, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

a {
  color: inherit;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 22px;
  align-items: center;
  min-height: 70px;
  padding: 0 34px;
  border-bottom: 1px solid rgba(22, 32, 29, 0.1);
  background: rgba(247, 248, 245, 0.94);
  backdrop-filter: blur(18px);
}

.brand,
.small-action,
nav a,
.button {
  text-decoration: none;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  width: fit-content;
  font-weight: 820;
}

.brand-mark {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border-radius: 8px;
  background: var(--green-dark);
  color: #fff;
  font-size: 13px;
}

nav {
  display: flex;
  gap: 22px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 720;
}

nav a:hover,
.small-action:hover {
  color: var(--green);
}

.small-action {
  justify-self: end;
  padding: 9px 13px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  font-size: 13px;
  font-weight: 780;
}

.hero {
  position: relative;
  min-height: calc(100vh - 70px);
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(circle at 17% 19%, rgba(184, 80, 66, 0.15), transparent 30%),
    linear-gradient(135deg, #f8f5ec 0%, #eef6f2 52%, #f7f8f5 100%);
}

#dna-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.75;
}

.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(340px, 460px);
  gap: 44px;
  align-items: center;
  min-height: calc(100vh - 70px);
  padding: 78px 7vw 72px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--coral);
  font-size: 12px;
  font-weight: 850;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 18px;
  font-size: clamp(56px, 9vw, 126px);
  line-height: 0.9;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 16px;
  font-size: clamp(34px, 5vw, 58px);
  line-height: 1.02;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 12px;
  font-size: 24px;
}

.lead {
  max-width: 760px;
  color: #31443d;
  font-size: clamp(19px, 2.3vw, 27px);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
  font: inherit;
  font-size: 14px;
  font-weight: 820;
  cursor: pointer;
}

.button.primary {
  border-color: var(--green);
  background: var(--green);
  color: #fff;
}

.button.secondary {
  background: rgba(255, 255, 255, 0.72);
}

.button.copy {
  width: 100%;
  margin-top: 12px;
}

.button-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(190px, auto);
  gap: 12px;
  margin-top: 12px;
}

.button-row .button {
  width: 100%;
  margin-top: 0;
}

.server-submit,
.job-monitor {
  margin-top: 14px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.server-submit {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  gap: 12px;
  align-items: center;
}

.server-submit h4,
.server-submit p {
  margin: 0;
}

.server-submit p {
  color: var(--muted);
  font-size: 13px;
}

.server-submit label {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  color: var(--muted);
  font-size: 13px;
  font-weight: 720;
}

.job-monitor-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  color: var(--green-dark);
  font-size: 13px;
  font-weight: 820;
}

#job-log {
  max-height: 280px;
  min-height: 120px;
  overflow: auto;
}

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

.job-files a {
  padding: 7px 9px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--soft);
  font-size: 12px;
  text-decoration: none;
}

.status-card,
.workbench,
.result-card,
.method-grid article,
.resource-item,
.quickstart {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: var(--shadow);
}

.status-card {
  padding: 24px;
}

.status-head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}

.pulse {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 8px rgba(31, 107, 82, 0.14);
}

.job-steps {
  display: grid;
  gap: 12px;
  margin: 20px 0;
  padding: 0;
  list-style: none;
}

.job-steps li {
  position: relative;
  padding: 11px 12px 11px 34px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--muted);
  background: #f9fbf8;
  font-size: 14px;
  font-weight: 760;
}

.job-steps li::before {
  content: "";
  position: absolute;
  left: 13px;
  top: 50%;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #c7d2cc;
  transform: translateY(-50%);
}

.job-steps .done::before {
  background: var(--green);
}

.job-steps .active {
  border-color: rgba(47, 111, 145, 0.35);
  background: #eef6f8;
  color: var(--ink);
}

.job-steps .active::before {
  background: var(--blue);
}

.mini-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.mini-metrics div {
  padding: 14px;
  border-radius: 8px;
  background: var(--soft);
}

.mini-metrics span,
.result-card span {
  display: block;
  color: var(--muted);
  font-size: 13px;
  font-weight: 780;
}

.mini-metrics b {
  display: block;
  margin-top: 4px;
  font-size: 24px;
}

.feature-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border-bottom: 1px solid var(--line);
}

.feature-strip article {
  min-height: 220px;
  padding: 32px;
  background: #fff;
}

.feature-strip span {
  color: var(--blue);
  font-weight: 900;
}

.feature-strip h2 {
  margin: 16px 0 12px;
  font-size: 28px;
}

.feature-strip p,
.section-title p,
.quickstart p,
.method-grid p {
  color: var(--muted);
}

.workspace,
.results,
.methods,
.resources-section,
.generator-section,
.quickstart {
  max-width: 1240px;
  margin: 0 auto;
  padding: 88px 24px;
}

.section-title {
  max-width: 840px;
  margin-bottom: 28px;
}

.section-title.compact {
  max-width: 760px;
}

.workbench {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  overflow: hidden;
  padding: 0;
}

.sidebar {
  display: grid;
  align-content: start;
  gap: 8px;
  padding: 18px;
  border-right: 1px solid var(--line);
  background: #f1f5f1;
}

.stage {
  display: grid;
  gap: 4px;
  width: 100%;
  padding: 16px;
  border: 1px solid transparent;
  border-radius: 8px;
  background: transparent;
  color: var(--muted);
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.stage b {
  color: var(--ink);
  font-size: 16px;
}

.stage span {
  font-size: 13px;
}

.stage.is-active {
  border-color: rgba(31, 107, 82, 0.22);
  background: #fff;
  box-shadow: 0 10px 22px rgba(17, 61, 49, 0.08);
}

.stage-panel {
  min-height: 500px;
  padding: 26px;
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
}

.panel-head h3 {
  margin-bottom: 0;
}

.text-button {
  border: 0;
  background: transparent;
  color: var(--green);
  font: inherit;
  font-size: 14px;
  font-weight: 820;
  cursor: pointer;
}

.upload-grid,
.analysis-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.runner-settings {
  display: grid;
  gap: 18px;
  margin-bottom: 18px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f8fbf8;
}

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

.runner-settings-head h4 {
  margin: 0 0 5px;
  color: var(--ink);
  font-size: 15px;
}

.runner-settings-head p {
  max-width: 620px;
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.55;
}

.runner-summary {
  display: grid;
  grid-template-columns: minmax(160px, 0.5fr) minmax(0, 1fr);
  gap: 12px;
}

.runner-summary > div {
  display: grid;
  gap: 7px;
  min-height: 72px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.runner-summary span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 780;
}

.runner-summary strong {
  color: var(--green-dark);
  font-size: 16px;
}

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

.runner-chips span {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 5px 9px;
  border: 1px solid rgba(31, 107, 82, 0.22);
  border-radius: 8px;
  background: var(--soft);
  color: var(--green-dark);
  font-size: 12px;
}

.upload-box {
  display: grid;
  gap: 10px;
  min-height: 132px;
  padding: 18px;
  border: 1px dashed #b9c8c0;
  border-radius: 8px;
  background: #fbfcfb;
}

.upload-box:first-child {
  grid-column: 1 / -1;
}

.server-upload {
  display: grid;
  gap: 16px;
  margin-top: 18px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f8fbf8;
}

.server-upload h4 {
  margin: 0 0 5px;
  color: var(--green-dark);
  font-size: 15px;
}

.server-upload p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.upload-controls {
  display: grid;
  grid-template-columns: minmax(180px, 0.8fr) minmax(220px, 1fr) auto;
  gap: 12px;
  align-items: end;
}

.upload-status {
  min-height: 20px;
}

label {
  display: grid;
  gap: 7px;
  color: #31413b;
  font-size: 13px;
  font-weight: 780;
}

.model-picker {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 0;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfb;
}

.model-picker legend {
  padding: 0 5px;
  color: #31413b;
  font-size: 13px;
  font-weight: 780;
}

.model-picker label {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 34px;
  color: var(--muted);
}

.model-picker input {
  width: 16px;
  min-height: 16px;
  accent-color: var(--green);
}

.topic-matrix {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-bottom: 18px;
}

.topic-card {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px 16px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfb;
}

.topic-card[hidden] {
  display: none;
}

.topic-card-head {
  display: flex;
  grid-column: 1 / -1;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}

.topic-matrix h4 {
  margin: 0 0 10px;
  color: var(--ink);
  font-size: 18px;
}

.topic-card p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.engine-group {
  display: grid;
  grid-column: 1 / -1;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px 16px;
  margin: 0;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.engine-group[hidden] {
  display: none;
}

.engine-group legend {
  padding: 0 5px;
  color: var(--green-dark);
  font-size: 13px;
  font-weight: 840;
}

.engine-group p {
  grid-column: 1 / -1;
  margin: 0 0 4px;
  color: var(--muted);
  font-size: 13px;
}

.topic-matrix label {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 30px;
  color: var(--muted);
  font-size: 12px;
}

.topic-matrix input[type="checkbox"] {
  width: 15px;
  min-height: 15px;
  accent-color: var(--green);
}

.engine-group label {
  min-height: 32px;
}

.engine-group label:has(.method-param) {
  display: grid;
  grid-template-columns: minmax(130px, 0.72fr) minmax(180px, 1.28fr);
  align-items: center;
  gap: 12px;
}

.engine-group label:has(.topic-engine-checkbox) {
  display: flex;
  align-items: center;
}

.engine-group label[hidden] {
  display: none !important;
}

.engine-group select,
.engine-group input[type="text"],
.engine-group input:not([type]) {
  width: 100%;
  min-height: 38px;
}

.option-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 0 0 18px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfb;
}

.option-grid legend {
  padding: 0 5px;
  color: #31413b;
  font-size: 13px;
  font-weight: 820;
}

.option-grid label {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 36px;
  color: var(--muted);
}

.option-grid input[type="checkbox"] {
  width: 16px;
  min-height: 16px;
  accent-color: var(--green);
}

.compact-fields {
  margin-top: 16px;
}

input,
select {
  width: 100%;
  min-height: 42px;
  border: 1px solid #c8d5ce;
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
  font: inherit;
  font-size: 14px;
  padding: 0 12px;
}

input:focus,
select:focus,
button:focus-visible,
a:focus-visible {
  outline: 3px solid rgba(47, 111, 145, 0.25);
  outline-offset: 2px;
}

.validation-list {
  display: grid;
  gap: 10px;
  margin-top: 20px;
}

.validation-list div {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  border-radius: 8px;
  background: var(--soft);
  color: #30423c;
  font-weight: 740;
}

.validation-list i {
  display: block;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--green);
}

.switcher {
  display: inline-flex;
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f1f5f1;
}

.mode,
.topic-tab,
.gs-subtopic-tab,
.preview-mode {
  min-height: 34px;
  padding: 0 13px;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: 13px;
  font-weight: 820;
  cursor: pointer;
}

.mode.is-active,
.topic-tab.is-active,
.gs-subtopic-tab.is-active,
.preview-mode.is-active {
  background: var(--green-dark);
  color: #fff;
}

.topic-switcher {
  flex-wrap: wrap;
  justify-content: flex-end;
}

.compact-switcher {
  align-self: start;
  flex-wrap: wrap;
  justify-content: flex-end;
  max-width: 460px;
}

pre {
  margin: 0;
  overflow-x: auto;
  white-space: pre-wrap;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

#generated-output,
.quickstart pre {
  min-height: 250px;
  padding: 20px;
  border-radius: 8px;
  background: #101613;
  color: #eef7f0;
  font-size: 12px;
}

.results-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.result-card {
  min-height: 250px;
  padding: 22px;
}

.accuracy-card {
  grid-column: span 2;
}

.result-card strong {
  display: block;
  margin-top: 8px;
  font-size: 54px;
}

.accuracy-card svg {
  width: 100%;
  margin-top: 18px;
}

.accuracy-card path {
  fill: none;
  stroke: rgba(31, 107, 82, 0.45);
  stroke-width: 3;
}

.accuracy-card circle {
  fill: var(--blue);
  opacity: 0.82;
}

.model-bars {
  display: grid;
  gap: 16px;
  margin-top: 24px;
}

.model-bars div {
  display: grid;
  grid-template-columns: 82px 1fr 42px;
  gap: 10px;
  align-items: center;
}

.model-bars i {
  display: block;
  height: 9px;
  border-radius: 999px;
  background: var(--green);
}

.model-bars em {
  color: var(--muted);
  font-style: normal;
  font-weight: 760;
}

table {
  width: 100%;
  margin-top: 22px;
  border-collapse: collapse;
  font-size: 14px;
}

th,
td {
  padding: 10px 8px;
  border-bottom: 1px solid var(--line);
  text-align: left;
}

th {
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
}

.downloads-card {
  display: grid;
  align-content: start;
  gap: 10px;
}

.downloads-card a {
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f8fbf8;
  color: var(--green-dark);
  font-weight: 780;
  text-decoration: none;
}

.method-grid,
.resources-grid,
.generator-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.method-grid article,
.generator-grid article {
  padding: 22px;
}

.method-grid h3 {
  font-size: 20px;
}

.resources-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.generator-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.generator-grid article {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: var(--shadow);
}

.generator-grid b {
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  margin-bottom: 16px;
  border-radius: 8px;
  background: var(--green-dark);
  color: #fff;
}

.generator-grid p {
  color: var(--muted);
}

.runner-example {
  margin-top: 16px;
  padding: 18px;
  border-radius: 8px;
  background: #101613;
  color: #eef7f0;
  font-size: 13px;
}

.resource-item {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 14px;
  align-items: start;
  padding: 20px;
}

.resource-item b {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border-radius: 8px;
  background: var(--green-dark);
  color: #fff;
}

.resource-item span {
  color: #30423c;
  font-weight: 720;
}

.quickstart {
  display: grid;
  grid-template-columns: minmax(260px, 0.62fr) minmax(0, 1fr);
  gap: 26px;
  margin-bottom: 88px;
}

.quickstart pre {
  min-height: auto;
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 30px 7vw;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
}

footer span:first-child {
  color: var(--ink);
  font-weight: 840;
}

@media (max-width: 1040px) {
  .topbar {
    grid-template-columns: 1fr;
    align-items: start;
    padding: 14px 20px;
  }

  nav {
    overflow-x: auto;
  }

  .small-action {
    justify-self: start;
  }

  .hero-grid,
  .workbench,
  .quickstart {
    grid-template-columns: 1fr;
  }

  .hero-grid {
    min-height: auto;
    padding: 70px 24px 52px;
  }

  .sidebar {
    grid-template-columns: repeat(3, 1fr);
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .feature-strip,
  .results-grid,
  .method-grid,
  .generator-grid,
  .topic-matrix,
  .resources-grid,
  .server-submit,
  .runner-summary {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .accuracy-card {
    grid-column: span 2;
  }
}

@media (max-width: 680px) {
  .hero-grid,
  .workspace,
  .results,
  .methods,
  .resources-section,
  .quickstart {
    padding-left: 16px;
    padding-right: 16px;
  }

  .feature-strip,
  .results-grid,
  .method-grid,
  .generator-grid,
  .resources-grid,
  .upload-grid,
  .upload-controls,
  .analysis-form,
  .option-grid,
  .model-picker,
  .topic-matrix,
  .topic-card,
  .engine-group,
  .mini-metrics,
  .sidebar,
  .button-row,
  .server-submit,
  .runner-summary {
    grid-template-columns: 1fr;
  }

  .accuracy-card,
  .upload-box:first-child {
    grid-column: auto;
  }

  .panel-head,
  .runner-settings-head,
  footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .panel-head,
  .runner-settings-head,
  footer {
    display: flex;
  }

  h1 {
    font-size: 56px;
  }
}