:root {
  --bg: #ffffff;
  --panel: #f6f8fa;
  --border: #d0d7de;
  --text: #1f2328;
  --muted: #59636e;
  --accent: #1f6feb;
  --error: #b42318;
  --error-bg: #fff1f0;
  --warning: #9a6700;
  --warning-bg: #fff8c5;
  --info: #0969da;
  --info-bg: #eef5ff;
  --ok: #1a7f37;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0d1117;
    --panel: #161b22;
    --border: #30363d;
    --text: #e6edf3;
    --muted: #9198a1;
    --accent: #4493f8;
    --error: #ff7b72;
    --error-bg: #26161a;
    --warning: #e3b341;
    --warning-bg: #272115;
    --info: #79c0ff;
    --info-bg: #131d2b;
    --ok: #3fb950;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
}

.wrap { max-width: 1120px; margin: 0 auto; padding: 0 20px; }

.page-head { border-bottom: 1px solid var(--border); padding: 28px 0 22px; margin-bottom: 24px; }
h1 { margin: 0 0 6px; font-size: 24px; letter-spacing: -0.01em; }
.lede { margin: 0; color: var(--muted); max-width: 70ch; }

code { font-family: var(--mono); font-size: 0.9em; background: var(--panel); padding: 1px 4px; border-radius: 4px; }
a { color: var(--accent); }

/* Inputs */

.inputs { display: grid; grid-template-columns: repeat(auto-fit, minmax(255px, 1fr)); gap: 14px; }

.input-card {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px;
  background: var(--panel);
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.input-card h2 { margin: 0; font-size: 14px; display: flex; align-items: baseline; gap: 8px; }
.req, .opt { font-size: 11px; font-weight: 500; text-transform: uppercase; letter-spacing: 0.04em; color: var(--muted); }
.req { color: var(--accent); }

.drop {
  border: 1.5px dashed var(--border);
  border-radius: 6px;
  padding: 18px 10px;
  text-align: center;
  color: var(--muted);
  font-size: 13px;
  cursor: pointer;
  background: var(--bg);
}
.drop:hover, .drop:focus { border-color: var(--accent); color: var(--text); outline: none; }
.drop.over { border-color: var(--accent); background: var(--info-bg); color: var(--text); }
.drop.filled { border-style: solid; border-color: var(--ok); }

.url-row { display: flex; gap: 6px; }
.url-row input { flex: 1; min-width: 0; }

input[type="url"], input[type="text"], input[type="search"], input[type="number"], select {
  font: inherit;
  font-size: 13px;
  padding: 6px 8px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg);
  color: var(--text);
}
input:focus, select:focus { outline: 2px solid var(--accent); outline-offset: -1px; }

button {
  font: inherit;
  font-size: 13px;
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg);
  color: var(--text);
  cursor: pointer;
}
button:hover:not(:disabled) { border-color: var(--accent); color: var(--accent); }
button:disabled { opacity: 0.5; cursor: not-allowed; }
button.primary { background: var(--accent); border-color: var(--accent); color: #fff; font-weight: 600; }
button.primary:hover:not(:disabled) { filter: brightness(1.1); color: #fff; }

.slot-status { margin: 0; font-size: 12px; color: var(--muted); min-height: 2.4em; }
.slot-status.ok { color: var(--ok); }
.slot-status.bad { color: var(--error); }

.actions { display: flex; gap: 10px; flex-wrap: wrap; margin: 18px 0 14px; }

.note {
  border: 1px solid var(--border);
  border-left: 3px solid var(--warning);
  background: var(--warning-bg);
  border-radius: 6px;
  padding: 10px 14px;
  font-size: 13px;
  color: var(--text);
}

.settings { margin: 16px 0; border: 1px solid var(--border); border-radius: 8px; padding: 10px 14px; }
.settings summary { cursor: pointer; font-weight: 600; font-size: 14px; }
.settings-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 10px 20px; margin-top: 12px; }
.settings-grid label { font-size: 13px; color: var(--muted); }
.settings-grid label.wide { grid-column: 1 / -1; display: flex; flex-direction: column; gap: 4px; }
.settings-grid input[type="number"] { width: 5.5em; }
.fine { font-size: 12px; color: var(--muted); }

/* Progress and banners */

.progress { margin: 16px 0; }
.bar { height: 6px; background: var(--panel); border-radius: 3px; overflow: hidden; border: 1px solid var(--border); }
.fill { height: 100%; width: 0; background: var(--accent); transition: width 0.15s linear; }
#progress-label { margin: 6px 0 0; font-size: 13px; color: var(--muted); }

.banner { margin: 16px 0; padding: 12px 14px; border-radius: 6px; border: 1px solid var(--border); font-size: 14px; white-space: pre-wrap; }
.banner.bad { border-left: 3px solid var(--error); background: var(--error-bg); }
.banner.warn { border-left: 3px solid var(--warning); background: var(--warning-bg); }
.banner.good { border-left: 3px solid var(--ok); background: var(--panel); }

/* Summary */

.summary { display: grid; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); gap: 10px; margin: 20px 0 10px; }
.stat { border: 1px solid var(--border); border-radius: 8px; padding: 10px 12px; background: var(--panel); }
.stat .n { font-size: 22px; font-weight: 650; font-variant-numeric: tabular-nums; line-height: 1.2; }
.stat .k { font-size: 12px; color: var(--muted); }
.stat.error .n { color: var(--error); }
.stat.warning .n { color: var(--warning); }

.skipped { font-size: 12px; color: var(--muted); margin-bottom: 12px; }
.skipped ul { margin: 4px 0 0; padding-left: 18px; }

/* Tabs */

.tabs { display: flex; gap: 6px; align-items: center; border-bottom: 1px solid var(--border); margin: 14px 0 0; padding-bottom: 8px; flex-wrap: wrap; }
.tabs .spacer { flex: 1; }
.tab { background: transparent; border-color: transparent; }
.tab.active { background: var(--panel); border-color: var(--border); font-weight: 600; }

.panel { padding-top: 16px; }

.filters { display: flex; gap: 14px; align-items: center; flex-wrap: wrap; margin-bottom: 14px; font-size: 13px; }
.filters label { display: flex; align-items: center; gap: 5px; }
#finding-search { flex: 1; min-width: 200px; }

/* Findings */

.group { border: 1px solid var(--border); border-radius: 8px; margin-bottom: 8px; overflow: hidden; }
.group > summary {
  cursor: pointer; padding: 10px 14px; display: flex; gap: 10px; align-items: baseline;
  list-style: none; background: var(--panel);
}
.group > summary::-webkit-details-marker { display: none; }
.group > summary::before { content: "\25B8"; color: var(--muted); font-size: 11px; }
.group[open] > summary::before { content: "\25BE"; }
.group.error > summary { border-left: 3px solid var(--error); }
.group.warning > summary { border-left: 3px solid var(--warning); }
.group.info > summary { border-left: 3px solid var(--info); }

.group .title { flex: 1; font-weight: 600; }
.group .code { font-family: var(--mono); font-size: 11px; color: var(--muted); }
.group .count { font-variant-numeric: tabular-nums; font-size: 12px; color: var(--muted); background: var(--bg); border: 1px solid var(--border); border-radius: 10px; padding: 1px 8px; }

.group ol { margin: 0; padding: 10px 14px 12px 34px; font-size: 13px; }
.group ol li { margin-bottom: 6px; }
.group ol li:last-child { margin-bottom: 0; }
.more { color: var(--muted); font-style: italic; }

.empty { color: var(--muted); padding: 20px 0; }

/* Inspector */

table { border-collapse: collapse; width: 100%; font-size: 13px; }
th, td { text-align: left; padding: 5px 10px; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: 0.03em; }
td.num { text-align: right; font-variant-numeric: tabular-nums; }
tr.kept td:first-child { border-left: 3px solid var(--accent); }
tr.removed { color: var(--muted); }
tr.removed td:first-child { border-left: 3px solid var(--error); }
tr.inserted td:first-child { border-left: 3px solid #8250df; }
td.far { color: var(--error); font-weight: 600; }

.inspector-meta { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 8px 20px; margin-bottom: 16px; font-size: 13px; }
.inspector-meta div { border-bottom: 1px solid var(--border); padding-bottom: 6px; }
.inspector-meta .k { color: var(--muted); font-size: 12px; display: block; }
.mono { font-family: var(--mono); font-size: 12px; }

/* Map */

#map { height: 560px; border: 1px solid var(--border); border-radius: 8px; }
.map-legend { display: flex; gap: 14px; align-items: center; flex-wrap: wrap; }
.key { display: inline-block; width: 22px; height: 4px; border-radius: 2px; margin-right: -8px; }
.key.grey { background: #9aa4b2; }
.key.blue { background: #1f6feb; }
.key.dot-kept, .key.dot-removed, .key.dot-inserted { width: 11px; height: 11px; border-radius: 50%; }
.key.dot-kept { background: #1f6feb; }
.key.dot-removed { background: transparent; border: 2px solid #b42318; }
.key.dot-inserted { background: #d8b9ff; border: 2px solid #8250df; }

footer { margin: 40px 0 30px; padding-top: 16px; border-top: 1px solid var(--border); }

/* Findings mini-maps */

.settings-grid label.check { display: flex; align-items: center; gap: 6px; grid-column: 1 / -1; }

.group ol.with-maps { padding-left: 14px; list-style: none; }
.group li.has-map { display: flex; gap: 12px; align-items: flex-start; padding: 8px 0; border-top: 1px solid var(--border); }
.group ol.with-maps > li.has-map:first-child { border-top: none; }
.mm-text { flex: 1; min-width: 0; padding-top: 2px; }

.mm-slot {
  flex: 0 0 190px;
  min-height: 118px;
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
  background: var(--panel);
  position: relative;
}
.mm-slot.mm-none {
  display: flex; align-items: center; justify-content: center;
  font-size: 11px; color: var(--muted);
}
.minimap { display: block; }

.mm-bg { fill: var(--panel); }
.mm-orig { fill: none; stroke: #9aa4b2; stroke-width: 4; stroke-opacity: 0.75; stroke-linejoin: round; stroke-linecap: round; }
.mm-new { fill: none; stroke: var(--accent); stroke-width: 2.5; stroke-linejoin: round; stroke-linecap: round; }

.mm-stop { stroke-width: 1; }
.mm-kept { fill: var(--accent); stroke: var(--accent); }
.mm-removed { fill: var(--bg); stroke: var(--error); }
.mm-inserted { fill: #d8b9ff; stroke: #8250df; }

.mm-gap { stroke: var(--error); stroke-width: 1.5; stroke-dasharray: 3 2; }
.mm-focus { stroke-width: 2.5; fill: var(--bg); }
.mm-focus-kept { stroke: var(--accent); fill: var(--accent); }
.mm-focus-removed { stroke: var(--error); fill: var(--bg); }
.mm-focus-inserted { stroke: #8250df; fill: #d8b9ff; }
.mm-focus-stop, .mm-focus-point { stroke: var(--error); }

.mm-label { font: 600 10px var(--mono); fill: var(--error); paint-order: stroke; stroke: var(--bg); stroke-width: 3; }
.mm-scale { stroke: var(--muted); stroke-width: 1.5; }
.mm-scale-label { font: 9px var(--mono); fill: var(--muted); }

.mm-open {
  position: absolute; right: 4px; bottom: 4px;
  font-size: 10px; padding: 2px 6px; border-radius: 4px;
  background: var(--bg); opacity: 0.8;
}
.mm-open:hover { opacity: 1; }

@media (max-width: 620px) {
  .group li.has-map { flex-direction: column; }
  .mm-slot { flex: none; width: 100%; }
  .minimap { width: 100%; height: auto; }
}