:root {
  --se-bg: #0c1412;
  --se-panel: #13201c;
  --se-text: #e3f2ec;
  --se-muted: #7f9e93;
  --se-accent: #3dd6c6;
  --se-accent-2: #9aefe4;
  --se-line: #244038;
  --sans: "IBM Plex Sans", system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
}
* { box-sizing: border-box; }
body { margin: 0; font-family: var(--sans); background: var(--se-bg); color: var(--se-text); line-height: 1.5; min-height: 100vh; font-size: 14px; }
.shell-se-app { min-height: 100vh; display: flex; flex-direction: column; }
.shell-se-head { padding: 1.15rem 1.25rem 0.85rem; border-bottom: 1px solid var(--se-line); background: #0a100e; }
.shell-se-brand { font-size: 0.68rem; letter-spacing: 0.16em; text-transform: uppercase; font-weight: 700; color: var(--se-muted); display: flex; gap: 0.4rem; align-items: center; }
.shell-se-mark { color: var(--se-accent); font-size: 1.05rem; letter-spacing: 0; }
.shell-se-nav { display: flex; gap: 0.85rem; margin: 0.65rem 0; flex-wrap: wrap; }
.shell-se-nav a { color: var(--se-muted); text-decoration: none; font-size: 0.85rem; }
.shell-se-nav a:hover { color: var(--se-accent-2); }
.shell-se-head h1 { margin: 0.2rem 0; font-size: 1.25rem; }
.shell-se-intro { margin: 0; color: var(--se-muted); font-size: 0.88rem; }
.shell-se-map { display: grid; grid-template-columns: minmax(220px, 300px) 1fr; flex: 1; min-height: 0; }
@media (max-width: 860px) { .shell-se-map { grid-template-columns: 1fr; } }
.shell-se-pick { background: var(--se-panel); border-right: 1px solid var(--se-line); padding: 1rem; overflow: auto; }
.shell-se-pick h2 { margin: 0 0 0.5rem; font-size: 0.9rem; color: var(--se-accent-2); }
.shell-se-pick label { display: flex; gap: 0.45rem; margin: 0.35rem 0; font-size: 0.84rem; cursor: pointer; }
.shell-se-table-wrap { padding: 1rem 1.15rem 1.5rem; overflow: auto; }
.shell-se-table { width: 100%; border-collapse: collapse; font-size: 0.82rem; margin-bottom: 0.85rem; }
.shell-se-table th, .shell-se-table td { border: 1px solid var(--se-line); padding: 0.4rem 0.55rem; text-align: left; font-family: var(--mono); }
.shell-se-table th { background: #0a100e; color: var(--se-accent-2); }
.shell-se-out { margin: 0 0 0.75rem; min-height: 110px; white-space: pre-wrap; font-family: var(--mono); font-size: 0.78rem; background: #0a100e; border: 1px solid var(--se-line); border-radius: 6px; padding: 0.7rem; }
.shell-se-go, .shell-se-copy { border: 0; border-radius: 6px; padding: 0.5rem 0.9rem; font: inherit; font-weight: 700; cursor: pointer; margin-right: 0.4rem; }
.shell-se-go { background: var(--se-accent); color: #06201c; }
.shell-se-copy { background: transparent; color: var(--se-text); border: 1px solid var(--se-line); }

.matrix-prose{color:var(--se-muted);font-size:.92rem}
.matrix-prose h2{color:var(--se-text)}
.matrix-prose a{color:var(--se-accent-2)}
.matrix-prose code{font-family:var(--mono);font-size:.85em}