:root {
  --bg: #0b1020;
  --bg-2: #111936;
  --surface: #141d3b;
  --surface-2: #1c2752;
  --border: #253066;
  --text: #e6ecff;
  --text-dim: #9aa6d0;
  --accent: #5b8cff;
  --accent-2: #7c5cff;
  --ok: #1f9d55;
  --warn: #e0a106;
  --bad: #b33a3a;
  --info: #3b6bb8;
  --purple: #7a56c2;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Inter, "Helvetica Neue", Arial, sans-serif;
  --radius: 14px;
  --radius-sm: 8px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: radial-gradient(1200px 600px at 10% -20%, #1e2b66 0%, var(--bg) 45%) no-repeat, var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 14px;
  min-height: 100vh;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.topbar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  padding: 28px 32px 20px;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(20,29,59,0.8), rgba(11,16,32,0.4));
}
.hero-copy { max-width: 960px; }
.brand-lockup { display: flex; align-items: center; gap: 10px; margin-bottom: 4px; }
.brand-mark {
  width: 22px; height: 22px; border-radius: 6px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 6px 24px rgba(91,140,255,0.35);
}
.eyebrow {
  margin: 0; font-size: 12px; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--text-dim);
}
.topbar h1 {
  margin: 6px 0 10px;
  font-size: clamp(20px, 2.1vw, 28px);
  letter-spacing: -0.01em;
}
.hero-sub { margin: 0 0 14px; color: var(--text-dim); }
.hero-metrics { display: flex; flex-wrap: wrap; gap: 8px; }
.hero-chip {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 999px;
  padding: 6px 12px;
  cursor: pointer;
  font-size: 12px;
  transition: all 0.2s;
}
.hero-chip:hover { background: var(--surface-2); border-color: var(--accent); }

.topbar-actions { display: flex; gap: 8px; }
.icon-button {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  font-family: var(--mono);
  font-size: 12px;
  cursor: pointer;
}
.icon-button:hover { background: var(--surface-2); border-color: var(--accent); }

.app-shell {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 0;
  min-height: calc(100vh - 160px);
}

.rail {
  border-right: 1px solid var(--border);
  padding: 20px 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  position: sticky;
  top: 0;
  align-self: flex-start;
  background: rgba(11,16,32,0.6);
  backdrop-filter: blur(8px);
}
.rail-item {
  text-align: left;
  background: transparent;
  color: var(--text-dim);
  border: 1px solid transparent;
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
}
.rail-item:hover { color: var(--text); background: var(--surface); }
.rail-item.active {
  background: var(--surface-2);
  color: var(--text);
  border-color: var(--border);
}

.stage {
  padding: 24px 32px 48px;
  min-width: 0;
}

.view-head h2 { margin: 0 0 4px; font-size: 20px; letter-spacing: -0.01em; }
.view-head p { margin: 0 0 18px; color: var(--text-dim); }
.view.hidden { display: none; }

.controls-row {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; margin-bottom: 14px; flex-wrap: wrap;
}
.os-tabs { display: inline-flex; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 3px; }
.os-tab {
  background: transparent; color: var(--text-dim); border: none;
  padding: 7px 16px; cursor: pointer; border-radius: 6px;
  font-size: 13px; font-weight: 600;
}
.os-tab.active { background: var(--accent); color: white; }

.legend { display: flex; gap: 10px; flex-wrap: wrap; }
.legend-item {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 11px; color: var(--text-dim);
  padding: 4px 8px; background: var(--surface); border: 1px solid var(--border);
  border-radius: 999px;
}
.legend-dot { width: 12px; height: 12px; border-radius: 50%; display: inline-block; }

.matrix-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); }
.matrix { border-collapse: collapse; min-width: 100%; font-size: 12px; }
.matrix th, .matrix td {
  border: 1px solid var(--border);
  padding: 6px 8px;
  text-align: center;
  white-space: nowrap;
}
.matrix thead th {
  background: var(--surface-2);
  position: sticky; top: 0; z-index: 2;
  font-size: 11px; letter-spacing: 0.03em;
  writing-mode: vertical-rl; transform: rotate(180deg);
  padding: 10px 4px; min-width: 32px; height: 140px;
}
.matrix thead th.corner, .matrix thead th.sub-col {
  writing-mode: initial; transform: none;
  text-align: left; height: auto; min-width: 0;
  padding: 10px 8px;
}
.matrix thead th.corner { background: var(--surface-2); z-index: 3; left: 0; position: sticky; }
.matrix tbody td.cat, .matrix tbody td.sub {
  text-align: left; background: var(--surface-2); font-weight: 600;
  position: sticky; left: 0; z-index: 1;
}
.matrix tbody td.sub { font-weight: 400; color: var(--text-dim); left: 180px; }
.matrix tbody tr.cat-row td { background: rgba(91,140,255,0.08); }
.cell {
  font-family: var(--mono); font-size: 11px; font-weight: 700;
  min-width: 28px; padding: 4px;
  cursor: help;
}
.cell.yes { background: rgba(31,157,85,0.25); color: #9de3b6; }
.cell.no { background: rgba(179,58,58,0.15); color: #e29090; }
.cell.partial { background: rgba(224,161,6,0.2); color: #f5c769; }
.cell.pending { background: rgba(107,107,107,0.2); color: #c7c7c7; }
.cell.eventlog { background: rgba(59,107,184,0.25); color: #98baf0; }
.cell.enabling { background: rgba(122,86,194,0.28); color: #c3a8f0; }
.cell.na { background: rgba(199,199,199,0.08); color: #666; }

/* Ranking */
.ranking-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 14px; }
.rank-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 16px; display: flex; flex-direction: column; gap: 10px;
}
.rank-head { display: flex; align-items: center; gap: 10px; }
.rank-logo { width: 28px; height: 28px; border-radius: 6px; background: var(--bg-2); display: grid; place-items: center; overflow: hidden; }
.rank-logo img { width: 20px; height: 20px; object-fit: contain; }
.rank-name { font-weight: 700; font-size: 14px; }
.rank-gartner { font-size: 11px; color: var(--text-dim); }
.rank-bars { display: grid; gap: 6px; }
.rank-bar { display: grid; grid-template-columns: 54px 1fr 46px; align-items: center; gap: 8px; font-size: 11px; }
.rank-bar-track { height: 8px; background: var(--bg-2); border-radius: 99px; overflow: hidden; border: 1px solid var(--border); }
.rank-bar-fill { height: 100%; background: linear-gradient(90deg, var(--accent), var(--accent-2)); border-radius: 99px; }
.rank-bar-fill.dim { background: #3a4a8a; }

/* Vendors */
.vendor-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 14px; }
.vendor-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 18px; display: flex; flex-direction: column; gap: 12px;
  border-top: 3px solid var(--vendor-color, var(--accent));
}
.vendor-head { display: flex; align-items: center; gap: 10px; }
.vendor-logo { width: 36px; height: 36px; border-radius: 8px; background: white; display: grid; place-items: center; overflow: hidden; }
.vendor-logo img { width: 28px; height: 28px; object-fit: contain; }
.vendor-name { font-size: 16px; font-weight: 700; }
.vendor-product { font-size: 12px; color: var(--text-dim); }
.vendor-meta { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; font-size: 12px; }
.vendor-meta div { background: var(--bg-2); border: 1px solid var(--border); border-radius: 8px; padding: 8px; }
.vendor-meta .k { color: var(--text-dim); font-size: 10px; text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 2px; }
.vendor-os { display: flex; gap: 6px; }
.os-pill {
  font-size: 10px; padding: 3px 8px; border-radius: 999px;
  border: 1px solid var(--border); background: var(--bg-2); color: var(--text-dim);
}
.os-pill.has { background: rgba(31,157,85,0.18); color: #9de3b6; border-color: rgba(31,157,85,0.4); }
.vendor-section { font-size: 12px; }
.vendor-section h5 { margin: 4px 0 4px; font-size: 11px; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.06em; }
.vendor-section p { margin: 0 0 6px; color: var(--text); line-height: 1.45; }
.tag {
  display: inline-block; padding: 2px 8px; border-radius: 999px;
  font-size: 10px; margin: 2px 4px 2px 0;
  background: var(--bg-2); border: 1px solid var(--border);
}
.tag.crit { background: rgba(179,58,58,0.2); color: #e29090; border-color: rgba(179,58,58,0.35); }
.tag.high { background: rgba(224,100,40,0.18); color: #f5a572; border-color: rgba(224,100,40,0.35); }
.tag.med { background: rgba(224,161,6,0.16); color: #f5c769; border-color: rgba(224,161,6,0.3); }
.vendor-links { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 4px; }
.vendor-links a { font-size: 11px; padding: 4px 8px; background: var(--bg-2); border: 1px solid var(--border); border-radius: 6px; }

/* Compare */
.compare-controls { margin-bottom: 12px; display: flex; gap: 8px; flex-wrap: wrap; }
.compare-controls select {
  background: var(--surface); color: var(--text); border: 1px solid var(--border);
  border-radius: 8px; padding: 8px 12px; font-size: 13px;
}

/* Risks */
.risk-columns { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 900px) { .risk-columns { grid-template-columns: 1fr; } }
.risk-list { display: flex; flex-direction: column; gap: 10px; }
.risk-item {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 12px;
}
.risk-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-bottom: 4px; }
.risk-vendor { font-weight: 700; }
.risk-date { font-size: 11px; color: var(--text-dim); font-family: var(--mono); }
.risk-title { font-size: 13px; margin-bottom: 4px; }
.risk-note { font-size: 12px; color: var(--text-dim); }

/* Scoring */
.scoring-layout { display: grid; grid-template-columns: 320px 1fr; gap: 16px; }
@media (max-width: 900px) { .scoring-layout { grid-template-columns: 1fr; } }
.scoring-controls, .scoring-results {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px;
}
.preset-row { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 14px; }
.preset-chip {
  background: var(--bg-2); color: var(--text); border: 1px solid var(--border);
  border-radius: 999px; padding: 5px 12px; cursor: pointer; font-size: 12px;
}
.preset-chip.active { background: var(--accent); border-color: var(--accent); color: white; }
.slider-group { margin-bottom: 10px; }
.slider-group label { display: flex; justify-content: space-between; font-size: 12px; color: var(--text-dim); margin-bottom: 4px; }
.slider-group input[type=range] { width: 100%; }

.attack-legend {
  margin-top: 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 10px;
}
.attack-ds {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px;
}
.attack-ds .id { font-family: var(--mono); font-size: 11px; color: var(--accent); }
.attack-ds .name { font-weight: 700; font-size: 13px; margin: 2px 0; }
.attack-ds .desc { font-size: 11px; color: var(--text-dim); line-height: 1.4; }
.attack-ds .tactics { font-size: 10px; color: var(--text-dim); margin-top: 4px; }
.attack-ds .tactics span { display: inline-block; padding: 1px 6px; background: var(--surface); border: 1px solid var(--border); border-radius: 99px; margin: 2px 2px 0 0; }
.cell.cov-100, .cell.cov-90 { background: rgba(31,157,85,0.5); color: #eafaef; }
.cell.cov-70 { background: rgba(139,191,77,0.4); color: #e8f4d4; }
.cell.cov-40 { background: rgba(224,161,6,0.35); color: #f5c769; }
.cell.cov-0 { background: rgba(179,58,58,0.35); color: #f5c4c4; }

.about-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px;
  max-width: 800px; line-height: 1.55;
}
.about-card h3 { margin: 14px 0 6px; font-size: 14px; color: var(--accent); }
.about-card h3:first-child { margin-top: 0; }
.about-card ul { margin: 6px 0 0 18px; color: var(--text-dim); }

.footer {
  padding: 20px 32px;
  border-top: 1px solid var(--border);
  color: var(--text-dim);
  font-size: 11px;
}