:root {
  --bg: #f7f9fb;
  --panel: #ffffff;
  --ink: #0b0f11;
  --muted: #5b6570;
  --border: #d9dde3;
  --accent: #0a8f8a; /* cyber teal */
  --accent-ink: #0a7a75;
  --warn: #b45309;
  --ok: #166534;
  --danger: #9f1239;
  --shadow: 0 8px 24px rgba(12, 18, 24, 0.08);
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  font-family: "Inter", "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.4;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 32px 24px 80px;
}

.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 12px 0 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 16px;
}

.logo img {
  height: 36px;
  width: auto;
}

.badge {
  border: 1px solid var(--border);
  background: #ffffff;
  color: var(--muted);
  font-size: 12px;
  padding: 6px 10px;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.hero {
  background: var(--panel);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  padding: 28px;
}

.hero h1 {
  margin: 0 0 8px;
  font-size: 28px;
  font-weight: 600;
}

.hero p {
  margin: 0;
  color: var(--muted);
  max-width: 760px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 20px;
}

.section {
  margin-top: 28px;
}

.section h2 {
  font-size: 18px;
  margin: 0 0 12px;
  font-weight: 600;
}

.section p.lead {
  color: var(--muted);
  margin-top: -4px;
}

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  padding: 20px;
  box-shadow: var(--shadow);
}

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

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}

.step {
  border: 1px solid var(--border);
  background: #ffffff;
  padding: 16px;
  min-height: 150px;
}

.step h3 {
  margin: 0 0 6px;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-ink);
}

.step strong {
  display: block;
  margin-bottom: 6px;
  font-size: 16px;
  font-weight: 600;
}

.step button {
  margin-top: 12px;
  border: 1px solid var(--accent);
  background: #ffffff;
  color: var(--accent);
  padding: 8px 10px;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  cursor: pointer;
}

.step button.active {
  background: var(--accent);
  color: #ffffff;
}

.kv {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.kv .block {
  border: 1px solid var(--border);
  background: #ffffff;
  padding: 16px;
}

.kv .block h3 {
  margin: 0 0 8px;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-ink);
}

.kv .block ul {
  margin: 0;
  padding-left: 16px;
  color: var(--muted);
}

.form-factors {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}

.factor {
  border: 2px solid var(--border);
  background: #ffffff;
  padding: 18px;
}

.factor.preferred {
  border-color: var(--accent);
}

.factor h3 {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 600;
}

.factor p {
  margin: 0 0 8px;
  color: var(--muted);
}

.factor .label {
  font-size: 12px;
  color: var(--accent-ink);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.diff {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.diff pre {
  margin: 0;
  background: #0f1418;
  color: #e5eef4;
  padding: 16px;
  font-size: 12px;
  line-height: 1.5;
  border: 1px solid #0f1418;
  white-space: pre-wrap;
}

.diff .added {
  color: #a7f3d0;
}

.diff .removed {
  color: #fecaca;
}

.cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px;
  border: 1px solid var(--border);
  background: #ffffff;
}

.cta strong {
  font-size: 16px;
}

.cta a {
  border: 1px solid var(--accent);
  color: var(--accent);
  padding: 10px 14px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 12px;
}

.footer {
  margin-top: 40px;
  color: var(--muted);
  font-size: 12px;
}

.summary {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 16px;
}

.summary .span-6 {
  grid-column: span 6;
}

.summary .span-12 {
  grid-column: span 12;
}

.summary table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.summary th, .summary td {
  text-align: left;
  border-bottom: 1px solid var(--border);
  padding: 8px 6px;
}

.summary th {
  color: var(--muted);
  font-weight: 500;
}

.callout {
  border-left: 3px solid var(--accent);
  background: #ffffff;
  padding: 12px 16px;
  color: var(--muted);
}

.section-title {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent-ink);
  margin-bottom: 6px;
}

.tag {
  display: inline-block;
  border: 1px solid var(--border);
  padding: 4px 8px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.ui-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
}

.ui-split {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 16px;
}

.frame {
  border: 1px solid var(--border);
  background: #ffffff;
  box-shadow: var(--shadow);
}

.frame .frame-bar {
  display: flex;
  justify-content: space-between;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  font-size: 12px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.frame .frame-body {
  padding: 16px;
}

.hero-ui {
  display: grid;
  grid-template-columns: 0.4fr 0.6fr;
  gap: 16px;
}

.hero-ui .chat {
  border: 1px solid var(--border);
  padding: 12px;
}

.hero-ui .chat .bubble {
  border: 1px solid var(--border);
  padding: 10px 12px;
  margin-bottom: 8px;
  font-size: 13px;
  color: var(--muted);
  background: #ffffff;
}

.hero-ui .chat .bubble strong {
  color: var(--ink);
}

.hero-ui .summary {
  border: 1px solid var(--border);
  padding: 12px;
}

.meta-bar {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 8px;
  margin-bottom: 12px;
}

.meta-bar .meta {
  border: 1px solid var(--border);
  padding: 8px 10px;
  font-size: 11px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  background: #ffffff;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 8px 0 12px;
}

.chip {
  border: 1px solid var(--border);
  padding: 4px 10px;
  font-size: 11px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  background: #ffffff;
}

.action-row {
  display: flex;
  gap: 10px;
  margin-top: 10px;
}

.action {
  border: 1px solid var(--accent);
  color: var(--accent);
  padding: 8px 12px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.action.secondary {
  border-color: var(--border);
  color: var(--muted);
}

.structured {
  display: grid;
  grid-template-columns: 0.3fr 0.7fr;
  gap: 12px;
  min-height: 240px;
}

.structured-label {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent-ink);
  padding-top: 4px;
}

.structured-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px 28px;
}

.structured-item {
  font-size: 13px;
}

.structured-item span {
  display: block;
  color: var(--muted);
  line-height: 1.4;
}

.structured-item strong {
  display: block;
  margin-bottom: 6px;
  color: var(--ink);
}

.structured-actions {
  display: flex;
  gap: 10px;
  justify-content: flex-start;
  align-items: center;
  margin-top: 16px;
}

.hero-ui .summary {
  padding: 18px;
}

.structured-actions .action {
  text-align: center;
  white-space: nowrap;
}

.structured-actions .action.secondary {
  border-color: var(--border);
  color: var(--muted);
}

.json-block {
  border: 1px solid var(--border);
  background: #0f1418;
  color: #e5eef4;
  padding: 14px;
  font-size: 12px;
  line-height: 1.5;
  white-space: pre;
  overflow-x: auto;
}

.diff-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.diff-table th, .diff-table td {
  border-bottom: 1px solid var(--border);
  padding: 8px 6px;
  text-align: left;
}

.diff-table th {
  color: var(--muted);
  font-weight: 500;
}

.diff-table .changed {
  color: var(--accent-ink);
  font-weight: 600;
}

.ui-panel {
  border: 1px solid var(--border);
  background: #ffffff;
  padding: 16px;
  min-height: 220px;
}

.ui-panel h4 {
  margin: 0 0 8px;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-ink);
}

.ui-panel .field {
  border: 1px solid var(--border);
  padding: 10px 12px;
  margin-bottom: 8px;
  font-size: 13px;
  color: var(--muted);
}

.ui-panel .field strong {
  color: var(--ink);
}

.ui-panel .pill {
  display: inline-block;
  border: 1px solid var(--border);
  padding: 3px 8px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin-right: 6px;
  margin-bottom: 6px;
}

.ui-panel .cta-mini {
  display: inline-block;
  margin-top: 10px;
  border: 1px solid var(--accent);
  color: var(--accent);
  padding: 6px 10px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.tabs {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.tabs button {
  border: 1px solid var(--border);
  background: #ffffff;
  color: var(--muted);
  padding: 8px 12px;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  cursor: pointer;
}

.tabs button.active {
  border-color: var(--accent);
  color: var(--accent);
}

.tab-content {
  border: 1px solid var(--border);
  background: #ffffff;
  padding: 16px;
}

.hidden {
  display: none;
}

.workflow-ui {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 20px;
}

.device {
  border: 1px solid var(--border);
  background: #ffffff;
  padding: 14px;
  box-shadow: var(--shadow);
}

.device .status {
  display: flex;
  justify-content: space-between;
  color: var(--muted);
  font-size: 12px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 8px;
  margin-bottom: 10px;
}

.device .screen {
  border: 1px solid var(--border);
  padding: 12px;
  min-height: 360px;
}

.device .screen h4 {
  margin: 0 0 6px;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-ink);
}

.device .bubble {
  border: 1px solid var(--border);
  padding: 10px;
  margin-bottom: 8px;
  font-size: 13px;
  color: var(--muted);
}

.device .bubble strong {
  color: var(--ink);
}

.device .cta {
  margin-top: 10px;
  display: inline-block;
  border: 1px solid var(--accent);
  color: var(--accent);
  padding: 6px 10px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.output-panel {
  border: 1px solid var(--border);
  background: #ffffff;
  padding: 16px;
  box-shadow: var(--shadow);
}

.output-panel h4 {
  margin: 0 0 8px;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-ink);
}

.output-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
}

.output-grid .field {
  border: 1px solid var(--border);
  padding: 10px 12px;
  font-size: 13px;
  color: var(--muted);
}

.output-grid .field strong {
  color: var(--ink);
}

.safety-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.safety-table th, .safety-table td {
  border-bottom: 1px solid var(--border);
  padding: 8px 6px;
  text-align: left;
}

.queue-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.queue-table th, .queue-table td {
  border-bottom: 1px solid var(--border);
  padding: 8px 6px;
  text-align: left;
}

.queue-table .state {
  color: var(--accent-ink);
  font-weight: 600;
}

.workflow-tabs {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.workflow-tabs button {
  border: 1px solid var(--border);
  background: #ffffff;
  color: var(--muted);
  padding: 8px 12px;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  cursor: pointer;
}

.workflow-tabs button.active {
  border-color: var(--accent);
  color: var(--accent);
}

@media (max-width: 900px) {
  .ui-split {
    grid-template-columns: 1fr;
  }

  .hero-ui {
    grid-template-columns: 1fr;
  }

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

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

  .summary .span-6 {
    grid-column: span 12;
  }

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

  .workflow-ui {
    grid-template-columns: 1fr;
  }
}