:root {
  --bg: #0f141b;
  --panel: #171e27;
  --panel-2: #1f2833;
  --border: #2b3643;
  --text: #e6edf3;
  --muted: #8b98a8;
  --accent: #4f9cf9;
  --accent-2: #2f7de1;
  --ok: #3fb950;
  --warn: #d29922;
  --err: #f85149;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--text); font: 14px/1.45 var(--sans); }
h1 { font-size: 18px; margin: 0; font-weight: 600; }
h3 { font-size: 13px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); margin: 18px 0 6px; }
code, pre { font-family: var(--mono); font-size: 12.5px; }
pre { margin: 0; white-space: pre-wrap; word-break: break-all; }
a { color: var(--accent); }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.warn { color: var(--warn); }
.error { color: var(--err); }
[hidden] { display: none !important; }

.topbar {
  display: flex; align-items: center; gap: 16px;
  padding: 10px 18px; border-bottom: 1px solid var(--border); background: var(--panel);
  position: sticky; top: 0; z-index: 2;
}
.status { flex: 1; display: flex; align-items: center; gap: 10px; color: var(--muted); font-family: var(--mono); font-size: 12px; overflow: hidden; }
.status > span:first-child { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.pill { background: var(--panel-2); border: 1px solid var(--border); border-radius: 999px; padding: 1px 9px; font-size: 11px; }
.pill.fetch { border-color: var(--ok); color: var(--ok); }

button {
  background: var(--panel-2); color: var(--text); border: 1px solid var(--border);
  border-radius: 6px; padding: 6px 12px; font: inherit; cursor: pointer;
}
button:hover { border-color: var(--accent); }
button.primary { background: var(--accent-2); border-color: var(--accent-2); }
button.primary:hover { background: var(--accent); }
button.running { background: var(--err); border-color: var(--err); }
button.small { padding: 2px 8px; font-size: 12px; }
button:disabled { opacity: .5; cursor: default; }
.icon-btn { white-space: nowrap; }

input[type=text], input[type=url], input[type=number], select, textarea {
  background: var(--bg); color: var(--text); border: 1px solid var(--border); border-radius: 6px;
  padding: 6px 8px; font: inherit; width: 100%;
}
textarea { font-family: var(--mono); font-size: 12.5px; resize: vertical; }
input[type=range] { width: 100%; accent-color: var(--accent); }
label { display: flex; flex-direction: column; gap: 4px; font-size: 12.5px; color: var(--muted); }
label > input, label > select, label > textarea { color: var(--text); }
label.checkbox { flex-direction: row; align-items: center; gap: 8px; }
label.checkbox input { width: auto; }
label.block { margin-top: 12px; }
label output { float: right; font-family: var(--mono); color: var(--text); }

.settings { padding: 14px 18px; background: var(--panel); border-bottom: 1px solid var(--border); }
.settings form { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 24px; max-width: 1100px; }
.settings .row, .settings p { grid-column: 1 / -1; }
.settings small { font-weight: normal; }

.tabs { display: flex; gap: 4px; padding: 10px 18px 0; border-bottom: 1px solid var(--border); }
.tabs button { border-radius: 6px 6px 0 0; border-bottom: none; background: transparent; color: var(--muted); }
.tabs button[aria-selected=true] { background: var(--panel); color: var(--text); border-color: var(--border); }

.tab { display: grid; grid-template-columns: minmax(320px, 480px) 1fr; gap: 18px; padding: 18px; }
@media (max-width: 900px) { .tab { grid-template-columns: 1fr; } }
.pane { background: var(--panel); border: 1px solid var(--border); border-radius: 8px; padding: 16px; min-width: 0; }
.lead { margin: 0 0 12px; color: var(--muted); }
.row { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin: 10px 0; }
.field-row { display: flex; gap: 10px; align-items: flex-end; flex-wrap: wrap; }
.field-row label { flex: 1 1 100px; }
.grid-form { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 14px; }

.current { font-size: 40px; font-weight: 600; font-family: var(--mono); margin: 14px 0 4px; }

.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin: 12px 0; padding: 0; }
.stats div { background: var(--panel-2); border-radius: 6px; padding: 8px 10px; }
.stats dt { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; }
.stats dd { margin: 2px 0 0; font-family: var(--mono); font-size: 15px; }

.log { width: 100%; border-collapse: collapse; font-family: var(--mono); font-size: 12px; }
.log th, .log td { text-align: left; padding: 3px 6px; border-bottom: 1px solid var(--border); }
.log th { color: var(--muted); font-weight: normal; }
.log td.miss { color: var(--warn); }
.log td.hit { color: var(--ok); }
.log td.err { color: var(--err); }

.rules { list-style: none; padding: 0; margin: 0; font-family: var(--mono); font-size: 12px; }
.rules li { padding: 4px 0; border-bottom: 1px solid var(--border); display: flex; gap: 8px; align-items: baseline; }
.rules li .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--border); flex: none; }
.rules li.on .dot { background: var(--ok); }
.rules li .name { color: var(--text); min-width: 150px; }

.result { display: flex; flex-direction: column; gap: 12px; }
.img-box { background: repeating-conic-gradient(#1a222c 0 25%, #131a22 0 50%) 0 0 / 20px 20px; border-radius: 6px; padding: 8px; }
.img-slot { display: flex; align-items: center; justify-content: center; min-height: 200px; }
.img-slot img { max-width: 100%; height: auto; display: block; }
.img-slot .placeholder { color: var(--muted); }
.result.busy .img-box { outline: 2px solid var(--accent); }
.result.failed .img-slot img { opacity: .25; }
.statusline { font-family: var(--mono); font-size: 13px; }
.statusline .ok { color: var(--ok); }
.statusline .bad { color: var(--err); }
.urlline { display: flex; gap: 8px; align-items: center; }
.urlline code { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--muted); }
.r-data { color: var(--muted); }
.r-error { background: #2a1416; border: 1px solid var(--err); border-radius: 6px; padding: 8px; }