/* Compose Cookbook catalog: stack list left, detail middle, validation right. */

body { overflow: hidden; }

.catalog-app { display: grid; grid-template-rows: 64px minmax(0, 1fr); height: 100vh; }

.catalog-top {
  display: flex; align-items: center; gap: 12px;
  padding: 0 22px; border-bottom: 1px solid var(--line);
  background: rgba(11, 15, 26, 0.82); backdrop-filter: blur(8px); z-index: 5;
}

.catalog-body { display: grid; grid-template-columns: 236px minmax(0, 1fr) 326px; min-height: 0; }

.stack-rail {
  display: flex; flex-direction: column; gap: 4px;
  padding: 18px 12px 20px; border-right: 1px solid var(--line);
  background: rgba(13, 18, 30, 0.55); overflow-y: auto;
}

.stack-item {
  display: flex; align-items: center; gap: 8px;
  padding: 7px 9px; border-radius: 8px; font-size: 12.5px; color: var(--text-2);
  cursor: pointer; border: 1px solid transparent;
}
.stack-item:hover { background: var(--surface-2); }
.stack-item.active { background: var(--surface-3); border-color: var(--line-strong); color: var(--text); }
.stack-item .num { font-family: var(--font-mono); font-size: 10px; color: var(--muted); width: 16px; }
.stack-item .n { margin-left: auto; font-size: 10px; color: var(--muted); font-family: var(--font-mono); }
.stack-item.active .n { color: var(--gold); }

.side-note { border: 1px solid var(--line); background: var(--surface-2); border-radius: var(--radius-sm); padding: 11px 12px; }

.stack-main { min-width: 0; min-height: 0; overflow-y: auto; padding: 18px 22px 30px; }
.stack-head { display: flex; align-items: flex-start; gap: 14px; margin-bottom: 8px; }
.stack-head h1 { font-size: 26px; margin: 2px 0 0; }

.topo-card { margin-bottom: 13px; }
.topology { display: flex; align-items: stretch; gap: 8px; flex-wrap: wrap; }
.svc-node {
  flex: 1 1 160px; min-width: 150px; max-width: 240px;
  border: 1px solid var(--line); border-radius: var(--radius-sm);
  background: var(--surface-2); padding: 9px 11px;
}
.svc-node .svc-name { font-size: 12.5px; font-weight: 600; display: flex; align-items: center; gap: 7px; }
.svc-node .svc-image { font-family: var(--font-mono); font-size: 9.5px; color: var(--muted); margin-top: 3px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.svc-node .svc-meta { display: flex; gap: 8px; margin-top: 6px; font-size: 9.5px; color: var(--muted); }
.svc-node .dot { width: 6px; height: 6px; }
.topo-link { display: grid; place-items: center; color: var(--muted); font-size: 13px; padding: 0 1px; }

.code-card { padding: 15px; }
.files { display: flex; gap: 4px; }
.files .tab { padding: 5px 10px; font-size: 11.5px; }
pre.yaml {
  margin: 0; padding: 14px 16px; max-height: 360px; overflow: auto;
  background: #070a11; border: 1px solid var(--line); border-radius: var(--radius-sm);
  color: #c6d2e6; font-family: var(--font-mono); font-size: 11px; line-height: 1.55;
  tab-size: 2; white-space: pre;
}

.check-rail {
  border-left: 1px solid var(--line);
  padding: 16px 14px 24px; overflow-y: auto;
  display: flex; flex-direction: column; gap: 13px;
  background: rgba(13, 18, 30, 0.55);
}

.checks { display: flex; flex-direction: column; gap: 7px; }
.check-row { display: flex; align-items: center; gap: 8px; font-size: 11.5px; color: var(--text-2); }
.check-mark {
  width: 16px; height: 16px; border-radius: 50%; display: grid; place-items: center;
  font-size: 9px; font-weight: 700; flex: none;
  background: var(--green-soft); color: var(--green); border: 1px solid rgba(52, 211, 153, 0.3);
}
.check-row.warn .check-mark { background: var(--gold-soft); color: var(--gold); border-color: var(--gold-line); }
.check-row.fail .check-mark { background: var(--red-soft); color: var(--red); border-color: rgba(248, 113, 113, 0.3); }
.check-row .rule { margin-left: auto; font-family: var(--font-mono); font-size: 9px; color: var(--muted); }

.env-row { display: flex; align-items: center; gap: 8px; font-size: 11px; }
.env-row code { font-family: var(--font-mono); color: var(--gold); font-size: 10.5px; }
.env-row .val { margin-left: auto; color: var(--muted); font-family: var(--font-mono); font-size: 9.5px; max-width: 130px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.run-block code { display: block; font-family: var(--font-mono); font-size: 10.5px; color: var(--text-2); padding: 3px 0; }
.run-block code::before { content: "$ "; color: var(--muted); }

@media (max-width: 1180px) {
  .catalog-body { grid-template-columns: 210px minmax(0, 1fr); }
  .check-rail { display: none; }
}