:root {
  --bg: #0e0f11;
  --surface: #16181b;
  --surface-2: #1d2024;
  --hover: #23272c;
  --border: rgba(255,255,255,0.08);
  --border-strong: rgba(255,255,255,0.14);
  --text: #e7e8ea;
  --text-2: #a9adb3;
  --muted: #747a82;
  --accent: #5aa9ff;
  --accent-wash: rgba(90,169,255,0.12);
  --critical: #d03b3b;
  --high: #ec835a;
  --medium: #fab219;
  --info: #6e757e;
  --good: #0ca30c;
  --watch: #b07cff;
  --grid: #2c2c2a;
  --axis: #383835;
  --new-flash: rgba(90,169,255,0.16);
  --map-empty: #2a2e33;
  --mono: ui-monospace, "Cascadia Code", "SF Mono", Consolas, monospace;
  --sans: "Segoe UI Variable", "Segoe UI", system-ui, -apple-system, Roboto, sans-serif;
  color-scheme: dark;
}
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --bg: #f4f4f1; --surface: #ffffff; --surface-2: #f8f8f6; --hover: #efefeb;
    --border: rgba(11,11,11,0.09); --border-strong: rgba(11,11,11,0.16);
    --text: #16171a; --text-2: #4a4e55; --muted: #7a7f86;
    --accent: #1a6fd6; --accent-wash: rgba(26,111,214,0.10);
    --info: #8a9099; --watch: #7c3aed;
    --grid: #e1e0d9; --axis: #c3c2b7; --new-flash: rgba(26,111,214,0.10); --map-empty: #dddcd5;
    color-scheme: light;
  }
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { font-size: 16px; }
html, body { margin: 0; height: 100%; }
body { background: var(--bg); color: var(--text); font: 1rem/1.45 var(--sans); -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; }
h3 { font-size: 0.786rem; letter-spacing: .08em; text-transform: uppercase; color: var(--text-2); margin: 0 0 10px; font-weight: 600; display: flex; justify-content: space-between; align-items: baseline; gap: 8px; }
h3 small { text-transform: none; letter-spacing: 0; color: var(--muted); font-weight: 400; font-size: 0.786rem; }

/* ---------- top bar ---------- */
.topbar { position: sticky; top: 0; z-index: 20; display: flex; align-items: center; gap: 20px; padding: 10px 16px; background: var(--surface); border-bottom: 1px solid var(--border); flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.143rem; letter-spacing: .01em; }
.live { display: inline-flex; align-items: center; gap: 6px; font-size: 0.714rem; letter-spacing: .1em; padding: 3px 8px; border-radius: 999px; border: 1px solid var(--border-strong); color: var(--text-2); }
.live i { width: 7px; height: 7px; border-radius: 50%; background: var(--muted); }
.live.on { color: var(--good); border-color: color-mix(in srgb, var(--good) 45%, transparent); }
.live.on i { background: var(--good); animation: pulse 1.6s infinite; }
.live.paused { color: var(--medium); border-color: color-mix(in srgb, var(--medium) 45%, transparent); }
.live.paused i { background: var(--medium); }
.live.off { color: var(--critical); }
.live.off i { background: var(--critical); }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(12,163,12,.6); } 70% { box-shadow: 0 0 0 7px rgba(12,163,12,0); } 100% { box-shadow: 0 0 0 0 rgba(12,163,12,0); } }

.stats { display: flex; gap: 18px; flex: 1; min-width: 0; overflow: hidden; }
.stat { display: flex; flex-direction: column; line-height: 1.15; }
.stat b { font-size: 1.286rem; font-variant-numeric: tabular-nums; font-weight: 650; }
.stat span { font-size: 0.786rem; color: var(--muted); white-space: nowrap; }
.stat .sevdot { display: inline-block; width: 8px; height: 8px; border-radius: 2px; margin-right: 5px; vertical-align: 1px; }

.actions { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.search { display: flex; align-items: center; gap: 6px; background: var(--surface-2); border: 1px solid var(--border); border-radius: 8px; padding: 0 10px; color: var(--muted); }
.search:focus-within { border-color: var(--accent); }
.search input { background: none; border: 0; outline: 0; color: var(--text); font: inherit; padding: 7px 0; width: 260px; }
.btn { background: var(--surface-2); border: 1px solid var(--border); border-radius: 8px; padding: 6px 12px; cursor: pointer; font-size: 0.929rem; white-space: nowrap; }
.btn:hover { background: var(--hover); border-color: var(--border-strong); }
.btn.on { background: var(--accent-wash); border-color: var(--accent); color: var(--accent); }
.btn.sm { padding: 4px 10px; font-size: 0.857rem; }
.btn:disabled { opacity: .5; cursor: progress; }
.clock { font-family: var(--mono); font-size: 0.857rem; color: var(--text-2); min-width: 120px; text-align: right; }

/* ---------- layout ---------- */
.layout { display: grid; grid-template-columns: 280px minmax(0, 1fr) 360px; gap: 16px; padding: 16px; max-width: 1800px; margin: 0 auto; align-items: start; }
.left, .right { position: sticky; top: 72px; max-height: calc(100vh - 88px); overflow-y: auto; display: flex; flex-direction: column; gap: 12px; scrollbar-width: thin; }
.panel { background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 12px; }

.seg { display: flex; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
.seg button { flex: 1; background: none; border: 0; padding: 5px 0; cursor: pointer; font-size: 0.857rem; color: var(--text-2); }
.seg button + button { border-left: 1px solid var(--border); }
.seg button.on { background: var(--accent-wash); color: var(--accent); font-weight: 600; }

.list { display: flex; flex-direction: column; gap: 2px; }
.row { display: flex; align-items: center; gap: 8px; padding: 5px 8px; border-radius: 6px; cursor: pointer; border: 0; background: none; text-align: left; width: 100%; font-size: 0.929rem; color: var(--text-2); }
.row:hover { background: var(--hover); }
.row.on { background: var(--accent-wash); color: var(--text); }
.row .count { margin-left: auto; font-variant-numeric: tabular-nums; color: var(--muted); font-size: 0.857rem; }
.row .swatch { width: 10px; height: 10px; border-radius: 3px; flex: none; }
.row.off { opacity: .45; }
.row.off .label { text-decoration: line-through; }

.chips { display: flex; flex-wrap: wrap; gap: 5px; }
.chip { font-size: 0.821rem; padding: 2px 8px; border-radius: 999px; border: 1px solid var(--border-strong); background: var(--surface-2); color: var(--text-2); cursor: pointer; white-space: nowrap; }
.chip:hover { border-color: var(--accent); }
.chip.on { background: var(--accent-wash); border-color: var(--accent); color: var(--accent); }
.chip .n { color: var(--muted); margin-left: 3px; font-variant-numeric: tabular-nums; }
.chip.watch { border-color: color-mix(in srgb, var(--watch) 55%, transparent); color: var(--watch); }
.chip.watch .x { margin-left: 5px; opacity: .7; }

.watchform { display: flex; gap: 6px; margin-bottom: 8px; }
.watchform input { flex: 1; min-width: 0; background: var(--surface-2); border: 1px solid var(--border); border-radius: 6px; padding: 5px 8px; color: var(--text); font: inherit; font-size: 0.893rem; outline: 0; }
.watchform input:focus { border-color: var(--watch); }
.check { display: flex; align-items: center; gap: 6px; font-size: 0.857rem; color: var(--text-2); margin-top: 8px; cursor: pointer; }

.srclist { display: flex; flex-direction: column; gap: 1px; font-size: 0.893rem; }
.src { display: grid; grid-template-columns: 10px 1fr auto; gap: 8px; align-items: center; padding: 4px 6px; border-radius: 6px; cursor: pointer; }
.src:hover { background: var(--hover); }
.src.off { opacity: .4; }
.src .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--muted); }
.src .dot.ok { background: var(--good); }
.src .dot.error { background: var(--critical); }
.src .dot.polling { background: var(--accent); animation: blink .8s infinite alternate; }
.src .dot.disabled { background: transparent; border: 1px solid var(--muted); }
.src .meta { color: var(--muted); font-size: 0.786rem; font-variant-numeric: tabular-nums; }
.srcgroup { font-size: 0.75rem; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); margin: 8px 6px 2px; }
@keyframes blink { to { opacity: .3; } }

/* ---------- feed ---------- */
.center { min-width: 0; position: relative; }
.feedhead { display: flex; justify-content: space-between; align-items: baseline; padding: 0 2px 10px; gap: 12px; }
.feedtitle { font-weight: 650; font-size: 1.071rem; }
.feedmeta { color: var(--muted); font-size: 0.857rem; }
.feed { display: flex; flex-direction: column; gap: 8px; }

.card { position: relative; background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 11px 14px 11px 18px; overflow: hidden; transition: border-color .15s, background .15s; }
.card:hover { border-color: var(--border-strong); background: var(--surface-2); }
.card::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 4px; background: var(--sev, var(--info)); }
.card.fresh { animation: flash 2.5s ease-out; }
@keyframes flash { 0% { background: var(--new-flash); transform: translateY(-4px); opacity: .4; } 15% { transform: none; opacity: 1; } 100% { background: var(--surface); } }
.card.watched { box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--watch) 60%, transparent); }
.card .top { display: flex; align-items: center; gap: 8px; font-size: 0.857rem; color: var(--muted); margin-bottom: 4px; flex-wrap: wrap; }
.card .srcname { color: var(--text-2); font-weight: 600; }
.card .sev { font-size: 0.75rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; display: inline-flex; align-items: center; gap: 4px; color: var(--text-2); }
.card .sev::before { content: ""; width: 8px; height: 8px; border-radius: 2px; background: var(--sev); }
.card .cat { font-size: 0.75rem; text-transform: uppercase; letter-spacing: .06em; }
.card .time { margin-left: auto; font-variant-numeric: tabular-nums; white-space: nowrap; }
.card .newbadge { background: var(--accent); color: #fff; font-size: 0.714rem; font-weight: 700; border-radius: 4px; padding: 0 5px; letter-spacing: .05em; }
.card .watchbadge { color: var(--watch); font-size: 0.786rem; font-weight: 600; }
.card .title { font-size: 1.071rem; font-weight: 600; line-height: 1.35; display: block; word-break: break-word; }
.card .title:hover { color: var(--accent); }
.card.social .title { font-weight: 450; font-size: 1rem; }
.card .sum { color: var(--text-2); font-size: 0.929rem; margin-top: 4px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.card .foot { display: flex; flex-wrap: wrap; gap: 5px; margin-top: 8px; align-items: center; }
.tag { font-size: 0.786rem; padding: 1px 7px; border-radius: 4px; background: var(--surface-2); border: 1px solid var(--border); color: var(--text-2); cursor: pointer; }
.tag:hover { border-color: var(--accent); }
.cve { font-family: var(--mono); font-size: 0.786rem; padding: 1px 6px; border-radius: 4px; border: 1px solid var(--border-strong); color: var(--text); }
.cve:hover { border-color: var(--accent); color: var(--accent); }
.cve.kev { border-color: var(--critical); }
.cve.kev::after { content: " KEV"; color: var(--critical); font-weight: 700; font-family: var(--sans); font-size: 0.714rem; }
.card .author { font-size: 0.857rem; color: var(--muted); }
.card .eng { font-size: 0.821rem; color: var(--muted); margin-left: auto; }
mark { background: color-mix(in srgb, var(--watch) 30%, transparent); color: inherit; border-radius: 2px; padding: 0 1px; }
mark.q { background: color-mix(in srgb, var(--medium) 35%, transparent); }

.newpill { position: sticky; top: 76px; z-index: 5; display: block; margin: 0 auto 10px; background: var(--accent); color: #fff; border: 0; border-radius: 999px; padding: 6px 16px; font-weight: 600; font-size: 0.929rem; cursor: pointer; box-shadow: 0 4px 16px rgba(0,0,0,.35); }
.empty { color: var(--muted); text-align: center; padding: 48px 16px; border: 1px dashed var(--border-strong); border-radius: 10px; }
.more { display: block; margin: 12px auto; }

/* ---------- view tabs + map ---------- */
.tabs { display: flex; gap: 4px; margin-bottom: 12px; border-bottom: 1px solid var(--border); }
.tabs button { background: none; border: 0; border-bottom: 2px solid transparent; padding: 8px 14px; cursor: pointer; color: var(--text-2); font-weight: 600; margin-bottom: -1px; }
.tabs button:hover { color: var(--text); }
.tabs button.on { color: var(--text); border-bottom-color: var(--accent); }
.fontctl { display: inline-flex; }
.fontctl .btn { padding: 6px 9px; }
.fontctl .btn:first-child { border-radius: 8px 0 0 8px; }
.fontctl .btn:last-child { border-radius: 0 8px 8px 0; border-left: 0; }
#mapView { display: flex; flex-direction: column; gap: 12px; }
.mappanel { padding: 14px; }
.maphead { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 10px; }
.maphead .seg button { padding: 6px 14px; white-space: nowrap; }
@media (max-width: 560px) {
  .maphead .seg { width: 100%; }
  .maphead .seg button { white-space: normal; padding: 6px 8px; line-height: 1.25; }
}
.map svg { display: block; width: 100%; height: auto; }
.map path { stroke: var(--surface); stroke-width: 0.6; stroke-linejoin: round; cursor: pointer; transition: opacity .1s; }
.map path:hover { stroke: var(--text); stroke-width: 1.2; }
.maplegend { margin-top: 10px; }
.maplegend b { font-variant-numeric: tabular-nums; color: var(--text); margin-left: 2px; }
.mapside { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 12px; align-items: start; }
.maplist { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; }
.maplist li { display: flex; justify-content: space-between; gap: 8px; padding: 5px 6px; border-bottom: 1px solid var(--border); font-size: 0.929rem; }
.maplist li:last-child { border-bottom: 0; }
.maplist a { display: inline-flex; align-items: center; gap: 8px; }
.maplist a:hover { color: var(--accent); }
.maplist .lv { width: 10px; height: 10px; border-radius: 3px; flex: none; }
.tooltip.wide { max-width: 380px; }
.tooltip .tt-lv { display: flex; align-items: center; gap: 6px; margin-bottom: 6px; }
.tooltip .tt-lv i { width: 10px; height: 10px; border-radius: 3px; }
.tooltip .tt-reasons { display: flex; flex-wrap: wrap; gap: 4px; margin-bottom: 6px; }
.tooltip .tt-reasons span { font-size: 0.786rem; padding: 1px 7px; border-radius: 999px; border: 1px solid var(--border-strong); color: var(--text); }
.tooltip .tt-body { color: var(--text-2); margin-bottom: 6px; line-height: 1.4; }

/* ---------- right column ---------- */
.chart { position: relative; height: 130px; }
.chart svg { display: block; width: 100%; height: 100%; overflow: visible; }
.chart .hit { fill: transparent; cursor: crosshair; }
.chart .hit:hover { fill: var(--hover); }
.chart text { fill: var(--muted); font-size: 0.714rem; font-family: var(--sans); }
.legend { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 8px; font-size: 0.821rem; color: var(--text-2); }
.legend span { display: inline-flex; align-items: center; gap: 5px; }
.legend i { width: 9px; height: 9px; border-radius: 2px; }

.ranklist, .kevlist { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 2px; }
.ranklist li { display: grid; grid-template-columns: 1fr auto; gap: 8px; align-items: center; padding: 4px 6px; border-radius: 6px; cursor: pointer; }
.ranklist li:hover { background: var(--hover); }
.ranklist .id { font-family: var(--mono); font-size: 0.857rem; }
.ranklist .kevb { color: var(--critical); font-size: 0.714rem; font-weight: 700; margin-left: 6px; }
.ranklist .bar { height: 4px; border-radius: 2px; background: var(--accent); margin-top: 3px; opacity: .8; }
.ranklist .n { font-variant-numeric: tabular-nums; color: var(--text-2); font-size: 0.857rem; }
.kevlist li { padding: 6px; border-radius: 6px; font-size: 0.893rem; border-bottom: 1px solid var(--border); }
.kevlist li:last-child { border-bottom: 0; }
.kevlist a:hover { color: var(--accent); }
.kevlist .k1 { display: flex; justify-content: space-between; gap: 8px; font-family: var(--mono); font-size: 0.821rem; color: var(--text-2); }
.kevlist .rw { color: var(--critical); font-family: var(--sans); font-weight: 700; font-size: 0.714rem; }
.muted { color: var(--muted); font-size: 0.857rem; }

.tooltip { position: fixed; z-index: 50; pointer-events: none; background: var(--surface-2); border: 1px solid var(--border-strong); border-radius: 8px; padding: 8px 10px; font-size: 0.857rem; box-shadow: 0 8px 24px rgba(0,0,0,.35); min-width: 140px; }
.tooltip .tt-h { font-weight: 600; margin-bottom: 4px; }
.tooltip .tt-r { display: flex; justify-content: space-between; gap: 14px; color: var(--text-2); }
.tooltip .tt-r i { display: inline-block; width: 8px; height: 8px; border-radius: 2px; margin-right: 6px; }
.tooltip .tt-r b { color: var(--text); font-variant-numeric: tabular-nums; }

/* ---------- responsive ---------- */
@media (max-width: 1280px) {
  .layout { grid-template-columns: 260px minmax(0, 1fr); }
  .right { grid-column: 1 / -1; position: static; max-height: none; display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
  .search input { width: 200px; }
}
@media (max-width: 860px) {
  .layout { grid-template-columns: 1fr; padding: 12px 16px; }
  .left { position: static; max-height: none; order: 2; }
  .center { order: 1; }
  .right { order: 3; }
  .stats { order: 3; width: 100%; overflow-x: auto; }
  .search { flex: 1; }
  .search input { width: 100%; }
  .clock { display: none; }
  .newpill { top: 140px; }
}