:root {
  --bg: #0f172a;
  --panel: #1e293b;
  --panel-2: #334155;
  --text: #e2e8f0;
  --muted: #94a3b8;
  --accent: #38bdf8;
  --accent-2: #818cf8;
  --ok: #4ade80;
  --warn: #facc15;
  --err: #f87171;
  --border: #334155;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; height: 100%; }
body { font-family: -apple-system, "Segoe UI", system-ui, Roboto, Helvetica, Arial, sans-serif; background: var(--bg); color: var(--text); }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.muted { color: var(--muted); font-size: 0.9rem; }

.landing { display: grid; place-items: center; min-height: 100vh; }
.landing__container { max-width: 32rem; padding: 2rem; text-align: center; }

.btn { display: inline-block; padding: 0.6rem 1.2rem; border-radius: 6px; border: 1px solid var(--border); background: var(--panel); color: var(--text); cursor: pointer; font-size: 0.95rem; }
.btn:hover { background: var(--panel-2); }
.btn--primary { background: var(--accent); color: #0f172a; border-color: var(--accent); }
.btn--primary:hover { background: #67c8f4; }
.btn--danger { background: var(--err); color: #1e0a0a; border-color: var(--err); }

.app { display: grid; grid-template-rows: auto 1fr; min-height: 100vh; }
.app__header { display: flex; align-items: center; justify-content: space-between; padding: 0.75rem 1.25rem; background: var(--panel); border-bottom: 1px solid var(--border); }
.app__header h1 { margin: 0; font-size: 1.1rem; }
.app__nav a { margin: 0 0.6rem; }
.app__main { padding: 1.25rem; max-width: 100%; }

table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
th, td { padding: 0.5rem 0.6rem; text-align: left; border-bottom: 1px solid var(--border); vertical-align: top; }
th { background: var(--panel); font-weight: 600; }
tr:hover td { background: rgba(255,255,255,0.02); }

.badge { display: inline-block; padding: 0.1rem 0.5rem; border-radius: 999px; font-size: 0.75rem; background: var(--panel-2); }
.badge--ok { background: rgba(74,222,128,0.2); color: var(--ok); }
.badge--warn { background: rgba(250,204,21,0.2); color: var(--warn); }
.badge--err { background: rgba(248,113,113,0.2); color: var(--err); }
.badge--ring-test { background: rgba(56,189,248,0.18); color: var(--accent); }
.badge--ring-canary { background: rgba(250,204,21,0.18); color: var(--warn); }
.badge--ring-prod { background: rgba(129,140,248,0.18); color: var(--accent-2); }

.toolbar { display: flex; gap: 0.5rem; align-items: center; flex-wrap: wrap; margin-bottom: 1rem; }
.toolbar input, .toolbar select, .toolbar textarea { background: var(--panel); border: 1px solid var(--border); color: var(--text); padding: 0.4rem 0.5rem; border-radius: 4px; }

.panel { background: var(--panel); border: 1px solid var(--border); border-radius: 8px; padding: 1rem; margin-bottom: 1rem; }
.panel h2 { margin-top: 0; font-size: 1rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.05em; }

.kv { display: grid; grid-template-columns: max-content 1fr; gap: 0.25rem 1rem; font-size: 0.9rem; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; }

dialog { background: var(--panel); color: var(--text); border: 1px solid var(--border); border-radius: 8px; padding: 1.25rem; max-width: 32rem; }
dialog::backdrop { background: rgba(0,0,0,0.5); }

.row { display: flex; gap: 0.5rem; align-items: center; }
.spacer { flex: 1; }
.toast { position: fixed; bottom: 1rem; right: 1rem; background: var(--panel); border: 1px solid var(--border); padding: 0.75rem 1rem; border-radius: 6px; max-width: 28rem; }
.toast--err { border-color: var(--err); }
.hidden { display: none !important; }
.code { font-family: "SF Mono", Menlo, Consolas, monospace; font-size: 0.85rem; }

/* ── Form grid layout ────────────────────────────────────────── */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem 1.5rem; align-items: start; }
@media (max-width: 640px) { .form-grid { grid-template-columns: 1fr; } }
.form-field--wide { grid-column: 1 / -1; }
.form-label { display: block; font-size: 0.8rem; color: var(--muted); margin-bottom: 0.25rem; font-weight: 500; text-transform: uppercase; letter-spacing: 0.04em; }
.form-grid input[type="text"],
.form-grid input[type="number"],
.form-grid input:not([type]),
.form-grid select { width: 100%; background: var(--panel-2); border: 1px solid var(--border); color: var(--text); padding: 0.5rem 0.65rem; border-radius: 5px; font-size: 0.95rem; }
.form-grid input:focus, .form-grid select:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 2px rgba(56,189,248,0.18); }
.form-actions { display: flex; gap: 1rem; align-items: center; flex-wrap: wrap; }
.form-section-title { font-size: 0.8rem; color: var(--muted); font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; border-bottom: 1px solid var(--border); padding-bottom: 0.4rem; margin: 0; }

/* ── Custom autocomplete ─────────────────────────────────────── */
.autocomplete-wrap { position: relative; }
.autocomplete-list { position: absolute; top: 100%; left: 0; right: 0; max-height: 220px; overflow-y: auto; background: var(--panel-2); border: 1px solid var(--border); border-radius: 5px; z-index: 100; list-style: none; margin: 3px 0 0; padding: 0.25rem 0; box-shadow: 0 6px 20px rgba(0,0,0,0.4); }
.autocomplete-list li { padding: 0.45rem 0.7rem; cursor: pointer; font-size: 0.88rem; color: var(--text); }
.autocomplete-list li:hover, .autocomplete-list li[aria-selected="true"] { background: rgba(56,189,248,0.18); color: var(--accent); }
.autocomplete-list--empty li { color: var(--muted); cursor: default; }

/* ── Sortable table headers ───────────────────────────────────── */
th.sortable { cursor: pointer; user-select: none; white-space: nowrap; }
th.sortable:hover { color: var(--accent); }
th.sortable::after { content: ' ↕'; opacity: 0.3; font-size: 0.75rem; }
th.sort-asc::after { content: ' ↑'; opacity: 1; color: var(--accent); }
th.sort-desc::after { content: ' ↓'; opacity: 1; color: var(--accent); }
.filter-row th { padding: 0.3rem 0.4rem; }
.filter-row input { width: 100%; background: var(--panel-2); border: 1px solid var(--border); color: var(--text); padding: 0.3rem 0.4rem; border-radius: 4px; font-size: 0.8rem; }
.filter-row input:focus { outline: none; border-color: var(--accent); }

/* ── Pagination bar ───────────────────────────────────────────── */
.pager { display: flex; gap: 0.75rem; align-items: center; padding: 0.75rem 1rem; border-top: 1px solid var(--border); flex-wrap: wrap; font-size: 0.9rem; }
.pager .spacer { flex: 1; }
.pager select { background: var(--panel-2); border: 1px solid var(--border); color: var(--text); padding: 0.3rem 0.5rem; border-radius: 4px; font-size: 0.85rem; }

/* ── Runs hide/show ───────────────────────────────────────────── */
.run-row--hidden { opacity: 0.45; }
.run-row--hidden td { text-decoration: line-through; text-decoration-color: rgba(255,255,255,0.2); }