:root {
  color-scheme: light;
  --bg: #f5f7f8;
  --panel: #ffffff;
  --ink: #182025;
  --muted: #66747d;
  --line: #dfe6ea;
  --accent: #0b8f8a;
  --accent-soft: #dff7f4;
  --warn: #a56715;
  --shadow: 0 18px 45px rgba(24, 32, 37, 0.08);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); }
a { color: inherit; }
.shell { min-height: 100vh; display: grid; grid-template-columns: 280px minmax(0, 1fr); }
.sidebar { position: sticky; top: 0; height: 100vh; padding: 28px; background: #11191d; color: white; display: flex; flex-direction: column; gap: 28px; }
.brand { display: flex; gap: 14px; align-items: center; }
.brand-mark { width: 48px; height: 48px; display: grid; place-items: center; border-radius: 10px; background: var(--accent); color: white; font-weight: 800; letter-spacing: 0; }
.eyebrow, .route, .section-heading p { margin: 0 0 4px; color: var(--muted); font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.08em; font-weight: 700; }
.brand .eyebrow { color: #9fb2bc; }
.brand h1 { margin: 0; font-size: 1.05rem; line-height: 1.2; }
nav { display: grid; gap: 8px; }
.nav-link { text-decoration: none; padding: 10px 12px; border-radius: 8px; color: #c5d1d7; font-weight: 650; }
.nav-link.active, .nav-link:hover { background: rgba(255,255,255,0.1); color: white; }
.access-card { margin-top: auto; display: flex; gap: 10px; padding: 14px; border-radius: 8px; background: rgba(255,255,255,0.08); color: #d8e4e9; }
.access-card p { margin: 4px 0 0; color: #9fb2bc; font-size: 0.88rem; line-height: 1.4; }
.status-dot { width: 10px; height: 10px; border-radius: 999px; background: #f2b84b; margin-top: 5px; flex: 0 0 auto; }
.content { padding: 32px; display: grid; gap: 28px; }
.topbar { display: flex; justify-content: space-between; gap: 20px; align-items: start; }
.topbar h2 { margin: 0; font-size: clamp(2rem, 4vw, 4rem); line-height: 0.95; letter-spacing: 0; }
.top-actions { display: flex; gap: 8px; flex-wrap: wrap; justify-content: end; }
.pill { display: inline-flex; align-items: center; min-height: 32px; padding: 0 12px; border-radius: 999px; border: 1px solid var(--line); background: var(--panel); font-size: 0.85rem; font-weight: 700; }
.pill.muted { color: var(--muted); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(280px, 0.7fr); gap: 18px; }
.primary-panel, .checklist-panel, .ops-grid article, .empty-state, .app-card { background: var(--panel); border: 1px solid var(--line); border-radius: 8px; box-shadow: var(--shadow); }
.primary-panel { padding: 22px; min-height: 330px; display: grid; align-content: space-between; }
.panel-header { display: flex; justify-content: space-between; color: var(--muted); font-weight: 750; font-size: 0.9rem; }
.route-map { display: grid; gap: 18px; }
.route-node { padding: 18px; border: 1px solid var(--line); border-radius: 8px; background: #f9fbfb; font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace; font-size: 0.95rem; font-weight: 700; overflow-wrap: anywhere; }
.route-node.root { background: var(--accent-soft); border-color: #9edbd4; color: #075c58; }
.route-branches { display: grid; grid-template-columns: 1fr 1.2fr 0.8fr; gap: 12px; }
.checklist-panel { padding: 22px; }
.checklist-panel h3, .section-heading h3, .ops-grid h3 { margin: 0; font-size: 1.35rem; }
.status-list { list-style: none; padding: 0; margin: 18px 0 0; display: grid; gap: 12px; }
.status-list li { position: relative; padding-left: 28px; color: var(--muted); line-height: 1.35; }
.status-list li::before { content: ""; position: absolute; left: 0; top: 2px; width: 16px; height: 16px; border-radius: 999px; border: 2px solid var(--line); }
.status-list li.done { color: var(--ink); }
.status-list li.done::before { background: var(--accent); border-color: var(--accent); }
.status-list li.current::before { border-color: var(--warn); background: #fff1dc; }
.section-grid { display: grid; gap: 14px; }
.cards { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.app-card { padding: 18px; display: grid; gap: 12px; }
.app-card header { display: flex; justify-content: space-between; gap: 12px; }
.app-card h4 { margin: 0; font-size: 1.1rem; }
.app-card p { margin: 0; color: var(--muted); line-height: 1.5; }
.meta { display: flex; gap: 8px; flex-wrap: wrap; }
.meta span { padding: 6px 8px; border-radius: 6px; background: #f0f4f5; color: var(--muted); font-size: 0.78rem; font-weight: 750; }
.empty-state { display: flex; gap: 16px; padding: 18px; align-items: center; }
.empty-state p { margin: 4px 0 0; color: var(--muted); line-height: 1.5; }
.empty-icon { width: 52px; height: 52px; border-radius: 8px; display: grid; place-items: center; background: #eef3f5; font-weight: 850; color: var(--accent); font-size: 0.78rem; }
.ops-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.ops-grid article { padding: 20px; }
.ops-grid p { margin: 10px 0 0; color: var(--muted); line-height: 1.6; }
code { font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace; font-size: 0.92em; background: #eef3f5; padding: 2px 5px; border-radius: 4px; }
@media (max-width: 860px) {
  .shell { grid-template-columns: 1fr; }
  .sidebar { position: relative; height: auto; }
  .content { padding: 22px; }
  .topbar, .hero-grid, .ops-grid { grid-template-columns: 1fr; display: grid; }
  .top-actions { justify-content: start; }
  .route-branches, .cards { grid-template-columns: 1fr; }
  .empty-state { align-items: flex-start; }
}