:root {
  --bg: #0b0e12;
  --bg-panel: #11151b;
  --bg-row-hover: #161c24;
  --border: #1e2630;
  --border-soft: #182029;
  --text: #e6edf3;
  --text-dim: #8b98a5;
  --text-faint: #5c6a78;
  --accent: #ff5a1f;
  --dot: #ff3b30;
  --chip-bg: rgba(255, 255, 255, 0.04);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background:
    radial-gradient(1200px 600px at 70% -10%, rgba(255, 90, 31, 0.06), transparent 60%),
    radial-gradient(1000px 500px at -10% 0%, rgba(56, 132, 255, 0.05), transparent 55%),
    var(--bg);
  color: var(--text);
  font-family: ui-sans-serif, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  min-height: 100vh;
  padding: 32px 16px 48px;
  display: flex;
  justify-content: center;
}

.shell { width: min(760px, 100%); }

/* Header ------------------------------------------------------------ */
.masthead {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 4px 18px;
}
.logo {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  background: linear-gradient(135deg, #ff7a3d, #e62e00);
  color: #fff;
  box-shadow: 0 8px 24px rgba(255, 90, 31, 0.25);
  flex: 0 0 auto;
}
.logo svg { width: 22px; height: 22px; }
.masthead-title {
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.masthead-sub {
  font-size: 0.72rem;
  color: var(--text-dim);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-top: 3px;
}
.live-pill {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--accent);
  border: 1px solid rgba(255, 90, 31, 0.35);
  background: rgba(255, 90, 31, 0.08);
  padding: 7px 11px;
  border-radius: 999px;
}
.live-pill.offline {
  color: var(--text-faint);
  border-color: var(--border);
  background: rgba(255, 255, 255, 0.03);
}
.live-pill.offline .live-dot {
  background: var(--text-faint);
  box-shadow: none;
  animation: none;
}
.live-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 0 rgba(255, 90, 31, 0.5);
  animation: pulse 1.8s infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(255, 90, 31, 0.5); }
  70% { box-shadow: 0 0 0 8px rgba(255, 90, 31, 0); }
  100% { box-shadow: 0 0 0 0 rgba(255, 90, 31, 0); }
}

/* Filters ------------------------------------------------------------ */
.search-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  padding: 4px 0 10px;
}
.search-input {
  flex: 1 1 240px;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 10px;
  padding: 10px 14px;
  font-size: 0.85rem;
  outline: none;
  transition: border-color 0.15s ease;
}
.search-input:focus { border-color: var(--accent); }
.filters {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  padding: 4px 0 16px;
}
.filter-chip {
  background: var(--chip-bg);
  border: 1px solid var(--border);
  color: var(--text-dim);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 7px 12px;
  border-radius: 999px;
  cursor: pointer;
  text-transform: uppercase;
  transition: all 0.15s ease;
}
.filter-chip:hover { color: var(--text); border-color: #34404d; }
.filter-chip.active {
  color: #0b0e12;
  background: var(--text);
  border-color: var(--text);
}

/* Panel -------------------------------------------------------------- */
.panel {
  background: linear-gradient(180deg, var(--bg-panel), #0e1218);
  border: 1px solid var(--border);
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
}
.panel-head {
  padding: 18px 22px;
  border-bottom: 1px solid var(--border-soft);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--text-dim);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.panel-head .count {
  color: var(--text-faint);
  font-weight: 600;
}

.feed-row {
  display: grid;
  grid-template-columns: 118px 1fr auto;
  gap: 18px;
  align-items: start;
  padding: 18px 22px;
  border-bottom: 1px solid var(--border-soft);
  transition: background 0.15s ease;
}
.feed-row:last-of-type { border-bottom: 0; }
.feed-row:hover { background: var(--bg-row-hover); }

.row-time {
  font-size: 0.78rem;
  color: var(--text-dim);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding-top: 2px;
  white-space: nowrap;
}

.row-main { min-width: 0; }
.row-title {
  font-size: 0.98rem;
  font-weight: 700;
  line-height: 1.35;
  color: var(--text);
  text-decoration: none;
}
.row-title:hover { color: #fff; text-decoration: underline; text-underline-offset: 3px; }
.row-summary {
  margin-top: 6px;
  font-size: 0.82rem;
  line-height: 1.5;
  color: var(--text-dim);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.row-source {
  margin-top: 8px;
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-faint);
}
.row-meta {
  display: flex;
  align-items: center;
  gap: 7px;
  flex-wrap: wrap;
  margin-top: 9px;
}

.chip {
  display: inline-flex;
  align-items: center;
  font-size: 0.62rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  padding: 4px 9px;
  border-radius: 6px;
  text-transform: uppercase;
  /* Fallback colour so tags without a dedicated rule (malware, supply-chain,
     ecosystem names) stay legible. */
  background: var(--chip-bg);
  border: 1px solid var(--border);
  color: var(--text-dim);
}
.chip-cve { background: rgba(255, 122, 61, 0.10); color: #ff8a50; border-color: rgba(255, 122, 61, 0.25); }
.chip-linux { background: rgba(94, 220, 146, 0.09); color: #5edc92; border-color: rgba(94, 220, 146, 0.22); }
.chip-cloud { background: rgba(82, 174, 255, 0.09); color: #52aeff; border-color: rgba(82, 174, 255, 0.22); }
.chip-kubernetes { background: rgba(124, 132, 255, 0.10); color: #9aa2ff; border-color: rgba(124, 132, 255, 0.26); }
.chip-exploit { background: rgba(255, 59, 48, 0.10); color: #ff6b61; border-color: rgba(255, 59, 48, 0.28); }
.chip-kev { background: rgba(255, 59, 48, 0.16); color: #ff8a80; border-color: rgba(255, 59, 48, 0.45); }
.chip-patch { background: rgba(191, 160, 88, 0.10); color: #d5b56a; border-color: rgba(191, 160, 88, 0.25); }
.chip-threat { background: rgba(186, 104, 200, 0.10); color: #ce93d8; border-color: rgba(186, 104, 200, 0.26); }
.chip-malware { background: rgba(255, 59, 48, 0.12); color: #ff8a80; border-color: rgba(255, 59, 48, 0.32); }
.chip-supply-chain, .chip-malicious-packages { background: rgba(186, 104, 200, 0.12); color: #ce93d8; border-color: rgba(186, 104, 200, 0.32); }
.chip-severity-critical { background: rgba(255, 59, 48, 0.14); color: #ff8a80; border-color: rgba(255, 59, 48, 0.4); }
.chip-severity-high { background: rgba(255, 149, 0, 0.10); color: #ffb74d; border-color: rgba(255, 149, 0, 0.3); }
.chip-severity-medium { background: rgba(255, 213, 79, 0.10); color: #ffd54f; border-color: rgba(255, 213, 79, 0.25); }
.chip-severity-low, .chip-severity-unknown { background: rgba(139, 152, 165, 0.10); color: #8b98a5; border-color: rgba(139, 152, 165, 0.25); }
.chip-patch-status-fixed { background: rgba(94, 220, 146, 0.12); color: #7ce8ae; border-color: rgba(94, 220, 146, 0.35); }
.chip-patch-status-affected { background: rgba(255, 149, 0, 0.12); color: #ffb74d; border-color: rgba(255, 149, 0, 0.35); }
.chip-patch-status-not-affected { background: rgba(139, 152, 165, 0.10); color: #8b98a5; border-color: rgba(139, 152, 165, 0.25); }
.chip-patch-status-deferred { background: rgba(186, 104, 200, 0.10); color: #ce93d8; border-color: rgba(186, 104, 200, 0.26); }

.row-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--dot);
  box-shadow: 0 0 0 4px rgba(255, 59, 48, 0.15), 0 0 12px rgba(255, 59, 48, 0.6);
  margin-top: 5px;
  flex: 0 0 auto;
}
.row-dot.read { background: transparent; box-shadow: none; }

.panel-foot {
  padding: 16px 22px;
  border-top: 1px solid var(--border-soft);
  background: rgba(255, 255, 255, 0.015);
}
.panel-foot a {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: color 0.15s ease;
}
.panel-foot a:hover { color: var(--text); }
.panel-foot .arrow { color: var(--accent); }

.empty {
  padding: 48px 22px;
  text-align: center;
  color: var(--text-faint);
  font-size: 0.85rem;
}
.notice-note {
  padding: 12px 22px;
  border-bottom: 1px solid var(--border-soft);
  color: var(--text-dim);
  background: rgba(255, 255, 255, 0.02);
  font-size: 0.7rem;
  line-height: 1.5;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.error-note {
  padding: 12px 22px;
  border-bottom: 1px solid var(--border-soft);
  color: #8b6f5a;
  background: rgba(255, 149, 0, 0.04);
  font-size: 0.7rem;
  line-height: 1.5;
}

@media (max-width: 560px) {
  .feed-row { grid-template-columns: 1fr; gap: 8px; }
  .row-time { order: -1; }
  .row-dot { position: absolute; right: 22px; }
  .feed-row { position: relative; }
  .live-pill { display: none; }
}