:root {
  --bg: #0e1520; --panel: #16202e; --panel2: #1c2838; --line: #2b3a4e; --text: #e8eef6; --muted: #8fa3bb;
  --accent: #1d8fe0; --good: #2fa35a; --bad: #d64545; --warn: #e0a31d;
}
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) { --bg: #eef2f7; --panel: #ffffff; --panel2: #f3f6fa; --line: #d3dbe6; --text: #152033; --muted: #5d6f87; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 15px/1.4 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
h1, h2, h3 { margin: 0 0 .5em; line-height: 1.2; }
h1 { font-size: 1.3rem; } h2 { font-size: 1.1rem; } h3 { font-size: .95rem; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; }
a { color: var(--accent); }
.bar { display: flex; align-items: center; gap: 12px; padding: 10px 16px; background: var(--panel); border-bottom: 1px solid var(--line); flex-wrap: wrap; }
.bar .grow { flex: 1; }
.bar .brand { font-weight: 800; letter-spacing: .06em; }
.wrap { padding: 16px; max-width: 1500px; margin: 0 auto; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 14px; }
.grid { display: grid; gap: 14px; }
.cols-2 { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }
.cols-3 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
label { display: block; font-size: .8rem; color: var(--muted); margin: 10px 0 3px; }
input, select, textarea { width: 100%; padding: 8px 10px; background: var(--panel2); color: var(--text); border: 1px solid var(--line); border-radius: 7px; font: inherit; min-height: 38px; }
input[type=checkbox], input[type=radio] { width: auto; min-height: 0; }
input[type=color] { padding: 2px; }
textarea { min-height: 70px; font-family: ui-monospace, monospace; }
button { font: inherit; padding: 8px 14px; border-radius: 7px; border: 1px solid var(--line); background: var(--panel2); color: var(--text); cursor: pointer; min-height: 38px; }
button:hover { border-color: var(--accent); }
button.primary { background: var(--accent); border-color: var(--accent); color: #fff; font-weight: 600; }
button.good { background: var(--good); border-color: var(--good); color: #fff; font-weight: 600; }
button.bad { background: var(--bad); border-color: var(--bad); color: #fff; }
button.ghost { background: transparent; }
button:disabled { opacity: .5; cursor: default; }
.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.row > * { flex: 0 1 auto; }
.row .grow { flex: 1 1 120px; }
.muted { color: var(--muted); }
.small { font-size: .82rem; }
.err { color: var(--bad); min-height: 1.2em; }
.ok { color: var(--good); }
.pill { display: inline-block; padding: 1px 8px; border-radius: 99px; font-size: .75rem; border: 1px solid var(--line); color: var(--muted); }
.pill.on { background: var(--bad); color: #fff; border-color: var(--bad); font-weight: 700; }
.tabs { display: flex; gap: 4px; flex-wrap: wrap; border-bottom: 1px solid var(--line); margin-bottom: 14px; }
.tabs button { border: 0; border-bottom: 3px solid transparent; border-radius: 0; background: transparent; padding: 10px 14px; }
.tabs button.active { border-bottom-color: var(--accent); font-weight: 700; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 6px 8px; border-bottom: 1px solid var(--line); vertical-align: middle; }
th { font-size: .75rem; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; }
td input, td select { min-height: 32px; padding: 4px 6px; }
.checker { background: repeating-conic-gradient(#3a3a3a 0% 25%, #2a2a2a 0% 50%) 0 0 / 20px 20px; border: 1px solid var(--line); border-radius: 6px; overflow: hidden; }
.tile.live { border-color: var(--bad); box-shadow: 0 0 0 1px var(--bad); }
.list { display: flex; flex-direction: column; gap: 6px; }
.list .item { display: flex; align-items: center; gap: 8px; padding: 8px 10px; border: 1px solid var(--line); border-radius: 8px; background: var(--panel2); cursor: pointer; }
.list .item.sel { border-color: var(--accent); }
.list .item .grow { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
details > summary { cursor: pointer; color: var(--muted); padding: 4px 0; }
.toast { position: fixed; right: 16px; bottom: 16px; background: var(--panel); border: 1px solid var(--line); border-left: 4px solid var(--accent); padding: 10px 14px; border-radius: 8px; z-index: 99; max-width: 420px; box-shadow: 0 4px 20px rgba(0,0,0,.4); }
.toast.bad { border-left-color: var(--bad); }
.hidden { display: none !important; }
code { background: var(--panel2); padding: 1px 5px; border-radius: 4px; font-size: .85em; }
@media (max-width: 700px) { .wrap { padding: 10px; } }