:root {
  --bg: #04060b;
  --fg: #e3eef3;
  --dim: #8aa3b0;
  --accent: #21f1a3;
  --warn: #ff5e7e;
  --grid: rgba(255,255,255,0.06);
  font-family: ui-monospace, "JetBrains Mono", "SF Mono", Menlo, Consolas, monospace;
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--fg); }
body { line-height: 1.45; min-height: 100vh; display: flex; flex-direction: column; }

.topbar { display: flex; justify-content: space-between; align-items: center; padding: 0.75rem 1rem; border-bottom: 1px solid var(--grid); }
.brand { font-weight: 700; letter-spacing: 0.05em; }
.topbar nav a { color: var(--dim); text-decoration: none; margin-left: 1rem; }
.topbar nav a:hover { color: var(--accent); }

.organism { position: relative; height: 60vh; min-height: 380px; border-bottom: 1px solid var(--grid); overflow: hidden; }
canvas#organism { position: absolute; inset: 0; width: 100%; height: 100%; }
.overlay { position: absolute; left: 1.5rem; top: 1.5rem; max-width: 28rem; }
.overlay h1 { font-size: 1.6rem; margin: 0 0 0.5rem; }
.overlay p { color: var(--dim); margin: 0.2rem 0; }
#event-stream { position: absolute; right: 1rem; bottom: 1rem; max-width: 36rem; max-height: 14rem; overflow: hidden;
                font-size: 0.78rem; color: var(--dim); white-space: pre; }
#event-stream .ev { display: block; opacity: 0.85; transform: translateY(0); transition: transform 6s linear, opacity 6s; }
#event-stream .ev.dim { opacity: 0; transform: translateY(-2rem); }

.board { padding: 1.25rem 1rem; }
.board h2 { font-size: 0.95rem; color: var(--dim); margin: 0 0 0.75rem; text-transform: lowercase; letter-spacing: 0.08em; }
#module-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 0.75rem; }
.card { border: 1px solid var(--grid); border-radius: 6px; padding: 0.75rem; cursor: grab; user-select: none;
        transition: border-color .15s, transform .15s; }
.card:hover { border-color: var(--accent); transform: translateY(-1px); }
.card[draggable="true"]:active { cursor: grabbing; }
.card .id { font-weight: 700; }
.card .desc { color: var(--dim); font-size: 0.85rem; }
.card.installed { border-color: var(--accent); background: rgba(33,241,163,0.06); }

.control { padding: 1.25rem 1rem; min-height: 12rem; border-top: 1px solid var(--grid); }
.control h2 { font-size: 0.95rem; color: var(--dim); margin: 0 0 0.75rem; text-transform: lowercase; letter-spacing: 0.08em; }
.setpoint-row { display: flex; gap: 0.75rem; align-items: center; padding: 0.25rem 0; }
.setpoint-row label { width: 14rem; color: var(--dim); }
.setpoint-row .val { color: var(--accent); min-width: 4rem; }
.setpoint-row input[type="range"] { flex: 1; accent-color: var(--accent); }

.install-bar { position: sticky; bottom: 0; background: rgba(4,6,11,0.92); backdrop-filter: blur(8px);
               border-top: 1px solid var(--grid); padding: 0.75rem 1rem; display: flex; gap: 0.75rem; align-items: center; }
.install-bar code { flex: 1; color: var(--fg); }
.install-bar button { background: var(--accent); color: var(--bg); border: 0; padding: 0.5rem 1rem; border-radius: 4px;
                      cursor: pointer; font-weight: 700; }
.install-bar button:hover { filter: brightness(1.1); }
.install-bar details { color: var(--dim); }
.install-bar details summary { cursor: pointer; }
.install-bar pre { margin: 0.4rem 0 0; }

footer { padding: 0.6rem 1rem; color: var(--dim); display: flex; justify-content: space-between; font-size: 0.8rem; border-top: 1px solid var(--grid); }
footer a { color: var(--dim); }
#catalog-status.ok { color: var(--accent); }
#catalog-status.fail { color: var(--warn); }