:root {
  color-scheme: light;
  --bg: #f6f2ea;
  --panel: #fffdf8;
  --text: #151515;
  --muted: #6d665c;
  --border: #d9d0c3;
  --accent: #0d6b66;
  --accent-2: #9e4127;
  --ok: #166534;
  --error: #b91c1c;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "IBM Plex Sans", "Helvetica Neue", sans-serif;
  background: radial-gradient(circle at top, #fef5e8 0%, var(--bg) 45%, #efe5d7 100%);
  color: var(--text);
}

.page {
  width: min(1280px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 18px 0 48px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 14px 18px;
  background: rgba(255, 253, 248, 0.88);
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: 0 6px 24px rgba(21, 21, 21, 0.04);
  position: sticky;
  top: 12px;
  z-index: 10;
  backdrop-filter: blur(10px);
}

.brand {
  color: var(--text);
  text-decoration: none;
  font-weight: 700;
  letter-spacing: 0.02em;
}

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

.nav a {
  color: var(--muted);
  text-decoration: none;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid transparent;
}

.nav a.active,
.nav a:hover {
  color: var(--accent);
  background: rgba(13, 107, 102, 0.08);
  border-color: rgba(13, 107, 102, 0.15);
}

.topbar-actions {
  display: flex;
  gap: 10px;
  align-items: center;
}

.topbar-button {
  font: inherit;
  padding: 10px 14px;
  border-radius: 999px;
  border: 0;
  background: var(--accent);
  color: #fff;
  cursor: pointer;
}

.topbar-button.secondary {
  background: rgba(13, 107, 102, 0.12);
  color: var(--accent);
}

.topbar-button.ghost {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--muted);
}

.session-chip {
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(13, 107, 102, 0.08);
  color: var(--accent);
  font-weight: 600;
}

main { margin-top: 18px; }
.route[hidden] { display: none !important; }

.hero,
.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 20px;
  box-shadow: 0 6px 24px rgba(21, 21, 21, 0.05);
}

.hero {
  padding: 28px;
  background: linear-gradient(135deg, rgba(13,107,102,0.1), rgba(158,65,39,0.08));
}

.section-header {
  padding: 12px 4px 18px;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  font-size: 12px;
}

h1, h2, h3 { line-height: 0.98; }

h1 {
  margin: 8px 0 12px;
  font-size: clamp(32px, 5vw, 56px);
}

h2 { margin: 0 0 8px; }

h3 { margin: 0; }

.lede {
  margin: 0;
  color: var(--muted);
  max-width: 820px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
  margin: 18px 0;
}

.metric,
.panel { padding: 18px; }

.metric {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: 0 6px 24px rgba(21, 21, 21, 0.05);
}

.metric .label { color: var(--muted); font-size: 13px; }
.metric .value { font-size: 34px; font-weight: 700; margin-top: 8px; }

.panel-row,
.workspace-shell,
.settings-shell { display: grid; gap: 16px; }

.panel-row.two-equal {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-bottom: 16px;
}

.panel h2 { margin-top: 0; }

.panel-header {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: baseline;
}

form { display: grid; gap: 10px; }

input, textarea, select, button {
  font: inherit;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: #fff;
}

textarea {
  min-height: 84px;
  resize: vertical;
}

button {
  background: var(--accent);
  color: #fff;
  border: 0;
  cursor: pointer;
}

button:hover { filter: brightness(1.05); }

.note { color: var(--muted); margin-top: 0; }

.quickstart-panel,
.infrastructure,
.world-graph-panel,
.chat-placeholder-panel { margin: 18px 0 16px; }

.guide-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
}

.guide-card {
  border: 1px solid var(--border);
  background: #fff;
  border-radius: 16px;
  padding: 16px;
  display: grid;
  gap: 10px;
}

.guide-card h3 { font-size: 20px; }
.guide-card p { margin: 0; color: var(--muted); }

.guide-step {
  display: inline-flex;
  width: fit-content;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(13, 107, 102, 0.08);
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.guide-link {
  text-decoration: none;
  color: inherit;
}

.infra-diagram {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  gap: 14px;
  align-items: center;
}

.infra-column { display: grid; gap: 12px; }

.infra-node {
  border: 1px solid var(--border);
  background: #fff;
  border-radius: 16px;
  padding: 14px;
  display: grid;
  gap: 6px;
}

.infra-node.core { border-color: rgba(13,107,102,0.3); }
.infra-node.plugin { border-color: rgba(158,65,39,0.3); }
.infra-node.project { border-color: rgba(21,21,21,0.18); }
.infra-node.placeholder { opacity: 0.7; }
.infra-arrow { font-size: 28px; color: var(--muted); text-align: center; }

.world-graph-panel { min-height: 420px; }

.graph-layout {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr) 280px;
  gap: 16px;
  align-items: start;
}

.graph-legend,
.graph-relations {
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 14px;
  background: rgba(255, 255, 255, 0.82);
  display: grid;
  gap: 10px;
}

.legend-item {
  display: flex;
  gap: 10px;
  align-items: center;
  color: var(--muted);
}

.legend-dot {
  width: 12px;
  height: 12px;
  border-radius: 999px;
  display: inline-block;
}

.legend-dot.universe { background: var(--accent); }
.legend-dot.project { background: var(--accent-2); }
.legend-dot.owner { background: #d97706; }
.legend-dot.plugin { background: #7c3aed; }

.project-graph {
  min-height: 320px;
  display: grid;
  place-items: center;
}

.graph-stage {
  width: 100%;
  display: grid;
  gap: 24px;
}

.graph-root { display: grid; place-items: center; }

.graph-children {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 18px;
  align-items: start;
}

.graph-column {
  display: grid;
  gap: 12px;
  justify-items: center;
}

.graph-link {
  width: 2px;
  height: 26px;
  background: linear-gradient(180deg, rgba(13,107,102,0.7), rgba(13,107,102,0.15));
}

.graph-node {
  width: 100%;
  border: 1px solid var(--border);
  background: #fff;
  border-radius: 16px;
  padding: 14px;
  display: grid;
  gap: 8px;
  box-shadow: 0 6px 24px rgba(21, 21, 21, 0.05);
}

.graph-node-top,
.summary-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: flex-start;
}

.graph-node.universe {
  width: min(320px, 100%);
  border-color: rgba(13,107,102,0.35);
  background: linear-gradient(135deg, rgba(13,107,102,0.08), rgba(13,107,102,0.02));
}

.graph-node.project { border-color: rgba(21,21,21,0.18); }

.graph-empty,
.chat-placeholder {
  min-height: 160px;
  border: 1px dashed var(--border);
  border-radius: 18px;
  display: grid;
  place-items: center;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.7);
}

.relation-card {
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 12px;
  display: grid;
  gap: 8px;
  background: #fff;
}

.relation-card span { color: var(--muted); }

.settings-shell,
.workspace-shell {
  grid-template-columns: 260px minmax(0, 1fr);
  align-items: start;
}

.workspace-content {
  display: grid;
  gap: 16px;
}

.filter-summary {
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.72);
  color: var(--muted);
}

.settings-sidebar,
.workspace-sidebar {
  background: rgba(255, 253, 248, 0.88);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 12px;
  display: grid;
  gap: 10px;
}

.settings-link {
  width: 100%;
  text-align: left;
  background: transparent;
  color: var(--muted);
  border: 1px solid transparent;
}

.settings-link.active,
.settings-link:hover {
  background: rgba(13,107,102,0.08);
  color: var(--accent);
  border-color: rgba(13,107,102,0.15);
}

.workspace-sidebar label {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-size: 14px;
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
}

.detail-grid.compact {
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
}

.detail-item {
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 12px;
  display: grid;
  gap: 6px;
}

.detail-item span {
  color: var(--muted);
  font-size: 13px;
}

.list { display: grid; gap: 10px; }

.entity-card,
.expand-card {
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 12px;
  background: #fff;
}

.entity-card {
  display: grid;
  gap: 8px;
}

.entity-card a,
.expand-body a {
  color: var(--accent);
  text-decoration: none;
  width: fit-content;
}

.entity-card a:hover,
.expand-body a:hover { text-decoration: underline; }

details.expand-card summary {
  display: grid;
  gap: 6px;
  cursor: pointer;
  list-style: none;
}

details.expand-card summary::-webkit-details-marker { display: none; }

.expand-body {
  margin-top: 12px;
  display: grid;
  gap: 10px;
}

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

.nested-list { display: grid; gap: 8px; }

.nested-item {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 10px;
  display: grid;
  gap: 6px;
}

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

.badge,
.subtle-tag {
  display: inline-flex;
  align-items: center;
  padding: 5px 9px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
}

.badge-neutral {
  background: rgba(21, 21, 21, 0.08);
  color: var(--text);
}

.badge-good {
  background: rgba(22, 101, 52, 0.12);
  color: var(--ok);
}

.badge-warn {
  background: rgba(180, 83, 9, 0.12);
  color: #b45309;
}

.badge-muted {
  background: rgba(109, 102, 92, 0.12);
  color: var(--muted);
}

.subtle-tag {
  background: rgba(13, 107, 102, 0.08);
  color: var(--accent);
}

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

.empty { color: var(--muted); }

pre {
  overflow: auto;
  padding: 16px;
  margin: 0;
  background: #111;
  color: #f8f8f2;
  border-radius: 14px;
}

.settings-guest { display: grid; gap: 12px; }
.status-line { min-height: 24px; margin: 8px 4px 0; font-weight: 600; }
.status-line[data-kind="ok"] { color: var(--ok); }
.status-line[data-kind="error"] { color: var(--error); }

@media (max-width: 1080px) {
  .graph-layout { grid-template-columns: 1fr; }
}

@media (max-width: 980px) {
  .page { width: min(100vw - 24px, 1280px); }
  .topbar { flex-direction: column; align-items: flex-start; }
  .panel-row.two-equal,
  .settings-shell,
  .workspace-shell,
  .infra-diagram { grid-template-columns: 1fr; }
  .infra-arrow { transform: rotate(90deg); }
}