:root {
  color-scheme: light;
  --bg: #eee5d7;
  --paper: rgba(255, 251, 245, 0.98);
  --paper-strong: rgba(255, 255, 255, 0.99);
  --ink: #1d140d;
  --muted: #3d3027;
  --soft: #5f4d40;
  --accent: #8f3518;
  --accent-2: #d2a152;
  --line: rgba(29, 20, 13, 0.16);
  --line-strong: rgba(29, 20, 13, 0.24);
  --shadow: 0 18px 42px rgba(50, 28, 8, 0.14);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Georgia, "Times New Roman", serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(217, 164, 65, 0.2), transparent 30%),
    radial-gradient(circle at bottom right, rgba(166, 69, 36, 0.14), transparent 24%),
    var(--bg);
}

.layout {
  width: min(1080px, calc(100% - 32px));
  margin: 0 auto;
  padding: 44px 0 64px;
}

.hero {
  margin-bottom: 24px;
}

.hero-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 12px;
}

.eyebrow,
.section-label {
  margin: 0 0 8px;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.78rem;
  font-weight: 700;
}

.doc-library {
  display: grid;
  gap: 12px;
}

.doc-row {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) auto;
  gap: 12px;
  align-items: center;
  padding: 12px 14px;
  border-radius: 20px;
  border: 1px solid var(--line);
  background: rgba(255, 251, 245, 0.72);
}

.doc-copy {
  display: grid;
  gap: 4px;
}

.doc-copy strong {
  font-size: 1rem;
}

.doc-copy span {
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.4;
}

.doc-actions,
.doc-tail {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.doc-actions {
  justify-content: flex-end;
}

.doc-tail {
  justify-content: flex-start;
}

.doc-link {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0 12px;
  border-radius: 999px;
  border: 1px solid rgba(61, 23, 10, 0.38);
  background: linear-gradient(135deg, #7d2f17, #aa5a22);
  color: #fff8f2;
  text-decoration: none;
  font-weight: 700;
  font-size: 0.9rem;
  white-space: nowrap;
}

.doc-link:hover {
  filter: brightness(1.05);
}

h1,
h2,
h3 {
  margin: 0;
  font-weight: 600;
}

h1 {
  max-width: 14ch;
  font-size: clamp(1.7rem, 3.4vw, 3.1rem);
  line-height: 1.02;
}

.lede {
  max-width: 68ch;
  margin: 0;
  color: var(--muted);
  font-size: 0.96rem;
  line-height: 1.65;
}

.hero .lede + .lede {
  margin-top: 10px;
}

.solution-alternatives {
  margin-top: 18px;
}

.solution-card {
  display: grid;
  gap: 8px;
  max-width: 68ch;
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: linear-gradient(180deg, rgba(255, 252, 247, 0.98), rgba(244, 233, 221, 0.98));
  color: inherit;
  text-decoration: none;
  box-shadow: 0 14px 32px rgba(50, 28, 8, 0.08);
}

.solution-card:hover {
  border-color: rgba(143, 53, 24, 0.34);
  transform: translateY(-1px);
}

.solution-label {
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.74rem;
  font-weight: 700;
}

.solution-card strong {
  font-size: 1.05rem;
}

.solution-card span:last-child {
  color: var(--muted);
  line-height: 1.55;
  font-size: 0.94rem;
}

.panel {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(247, 238, 226, 0.98));
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 24px;
  box-shadow: var(--shadow);
}

.panel + .panel,
.workflow-strip + .panel {
  margin-top: 20px;
}

.workflow-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 12px;
}

.workflow-step {
  border-radius: 18px;
  border: 1px solid var(--line);
  background: rgba(255, 253, 249, 0.99);
  padding: 14px 16px;
}

.workflow-step strong {
  display: block;
  margin-bottom: 6px;
  color: var(--ink);
  font-weight: 700;
}

.workflow-step span {
  display: block;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.5;
  font-weight: 500;
}

form {
  display: grid;
  gap: 12px;
}

label {
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--ink);
}

input,
select,
textarea,
button {
  font: inherit;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line-strong);
  border-radius: 14px;
  padding: 14px 16px;
  background: var(--paper-strong);
  color: var(--ink);
}

select,
option {
  background: #fffaf4;
  color: var(--ink);
}

input::placeholder,
textarea::placeholder {
  color: var(--soft);
}

.scenario-help {
  margin: -2px 0 8px;
  color: var(--muted);
  line-height: 1.5;
  font-size: 0.93rem;
  font-weight: 500;
}

textarea {
  resize: vertical;
  min-height: 230px;
}

button {
  width: fit-content;
  border: 0;
  border-radius: 999px;
  padding: 14px 20px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: white;
  font-weight: 700;
  cursor: pointer;
}

button:hover {
  filter: brightness(1.03);
}

.status-row {
  display: flex;
  gap: 12px;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 16px;
}

#status {
  color: var(--muted);
  font-size: 0.95rem;
}

.empty-state {
  padding: 18px;
  border-radius: 18px;
  background: rgba(255, 252, 247, 0.97);
  border: 1px dashed var(--line-strong);
  color: var(--muted);
  line-height: 1.6;
  font-weight: 500;
}

.report-shell {
  display: grid;
  gap: 18px;
}

.summary-grid,
.diagram-flow {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px;
}

.metric-card,
.diagram-card,
.diagram-node,
.stage-card {
  border: 1px solid var(--line);
  border-radius: 20px;
  background: rgba(255, 253, 248, 0.99);
  box-shadow: 0 14px 32px rgba(50, 28, 8, 0.10);
}

.metric-card {
  padding: 16px 18px;
}

.metric-label {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  font-weight: 700;
}

.metric-value {
  margin-top: 8px;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--ink);
}

.diagram-card {
  padding: 18px;
}

.diagram-card h3 {
  margin-bottom: 10px;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
}

.diagram-node {
  padding: 14px 16px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.99), rgba(244, 232, 220, 0.96));
}

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

.diagram-node span {
  display: block;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.45;
  font-weight: 500;
}

.stage-grid {
  display: grid;
  gap: 14px;
}

.stage-card {
  overflow: hidden;
}

.stage-toggle {
  border-bottom: 1px solid var(--line);
}

.stage-toggle summary {
  list-style: none;
  cursor: pointer;
}

.stage-toggle summary::-webkit-details-marker {
  display: none;
}

.stage-head {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.9fr) minmax(0, 0.9fr);
  gap: 12px;
  padding: 16px 18px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.99), rgba(246, 236, 224, 0.96));
}

.stage-index {
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent);
  font-weight: 700;
}

.stage-role {
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--ink);
}

.stage-meta {
  font-size: 0.92rem;
  color: var(--muted);
  align-self: end;
  font-weight: 500;
}

.stage-chevron {
  justify-self: end;
  align-self: center;
  color: var(--accent);
  font-weight: 700;
}

.stage-toggle[open] .stage-chevron::before {
  content: "Collapse";
}

.stage-toggle:not([open]) .stage-chevron::before {
  content: "Expand";
}

.stage-body {
  padding: 16px 18px 18px;
}

.io-summary {
  margin: 0 0 10px;
  color: #2b211a;
  line-height: 1.6;
  font-weight: 500;
}

.agent-config-text {
  margin: 0 0 10px;
  color: var(--muted);
  line-height: 1.6;
  font-size: 0.95rem;
}

.log-title {
  margin: 0 0 10px;
  font-size: 0.88rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  font-weight: 700;
}

.log-list {
  margin: 0;
  padding-left: 18px;
  color: #2b211a;
  line-height: 1.6;
  font-weight: 500;
}

.log-list li + li {
  margin-top: 7px;
}

@media (max-width: 720px) {
  .layout {
    width: min(100% - 20px, 1000px);
    padding-top: 24px;
  }

  .hero-top,
  .status-row,
  .stage-head {
    flex-direction: column;
    align-items: flex-start;
    grid-template-columns: 1fr;
  }

  .doc-row {
    grid-template-columns: 1fr;
  }

  .stage-chevron {
    justify-self: start;
  }

  .panel {
    padding: 18px;
  }

  .doc-link {
    white-space: normal;
  }

  .doc-actions {
    justify-content: flex-start;
  }
}