:root{
  --bg:#0b0c0f;
  --fg:#e7e7ea;
  --muted:#9aa0a6;
  --card:#12141a;
  --accent:#4da3ff;
  --border:#242935;
  --chip:#1b2130;
  --warn:#ffb84d;
  --header-bg:#0d1117;
  --select-bg:#0e1420;
  --modal-bg:#0d1117;
  --btn-ghost-bg:#1a2333;
  --close-btn-bg:#1f2937;
}
@media (prefers-color-scheme: light){
  :root{
    --bg:#ffffff;
    --fg:#24292f;
    --muted:#57606a;
    --card:#f6f8fa;
    --accent:#0969da;
    --border:#d0d7de;
    --chip:#e8ecef;
    --warn:#bf8700;
    --header-bg:#f6f8fa;
    --select-bg:#ffffff;
    --modal-bg:#ffffff;
    --btn-ghost-bg:#f6f8fa;
    --close-btn-bg:#e8ecef;
  }
}
[data-theme="light"]{
  --bg:#ffffff;
  --fg:#24292f;
  --muted:#57606a;
  --card:#f6f8fa;
  --accent:#0969da;
  --border:#d0d7de;
  --chip:#e8ecef;
  --warn:#bf8700;
  --header-bg:#f6f8fa;
  --select-bg:#ffffff;
  --modal-bg:#ffffff;
  --btn-ghost-bg:#f6f8fa;
  --close-btn-bg:#e8ecef;
}
[data-theme="dark"]{
  --bg:#0b0c0f;
  --fg:#e7e7ea;
  --muted:#9aa0a6;
  --card:#12141a;
  --accent:#4da3ff;
  --border:#242935;
  --chip:#1b2130;
  --warn:#ffb84d;
  --header-bg:#0d1117;
  --select-bg:#0e1420;
  --modal-bg:#0d1117;
  --btn-ghost-bg:#1a2333;
  --close-btn-bg:#1f2937;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--fg);font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
.muted{color:var(--muted)}

/* Focus styles for accessibility */
*:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}

.site-header{
  display:flex;gap:16px;align-items:center;justify-content:space-between;
  padding:20px 16px;border-bottom:1px solid var(--border);background:var(--header-bg);
  max-width:1280px;margin:0 auto;flex-wrap:wrap;
}
.header-left{display:flex;flex-direction:column;gap:4px;}
.site-header h1{font-size:22px;margin:0}
.tagline{font-size:13px;color:var(--muted);margin:0;}
.controls{display:flex;gap:8px;align-items:center;flex-wrap:wrap;}
@media (max-width:640px){
  .site-header{flex-direction:column;align-items:flex-start;}
  .controls{width:100%;justify-content:flex-start;}
  .tagline{display:none;}
}
select,input[type="search"]{
  background:var(--select-bg);color:var(--fg);border:1px solid var(--border);
  padding:8px 10px;border-radius:8px;outline:none;
}
.btn{
  background:var(--accent);color:#fff;border:none;padding:8px 12px;border-radius:8px;
  cursor:pointer;font-weight:600;position:relative;
}
.btn.ghost{background:var(--btn-ghost-bg);color:var(--fg);border:1px solid var(--border)}
.btn:hover{filter:brightness(1.05)}

/* Tooltip */
[data-tooltip]{position:relative;}
[data-tooltip]::before{
  content:attr(data-tooltip);
  position:absolute;
  top:calc(100% + 8px);
  right:0;
  background:var(--card);
  color:var(--fg);
  padding:8px 12px;
  border-radius:8px;
  border:1px solid var(--border);
  font-size:13px;
  font-weight:400;
  white-space:nowrap;
  opacity:0;
  pointer-events:none;
  transition:opacity 0.2s;
  z-index:1000;
  box-shadow:0 4px 12px rgba(0,0,0,0.3);
}
[data-tooltip]::after{
  content:'';
  position:absolute;
  top:calc(100% + 2px);
  right:16px;
  border:6px solid transparent;
  border-bottom-color:var(--border);
  opacity:0;
  pointer-events:none;
  transition:opacity 0.2s;
  z-index:1000;
}
[data-tooltip]:hover::before,
[data-tooltip]:hover::after{
  opacity:1;
}
@media (max-width:640px){
  [data-tooltip]::before{
    right:auto;
    left:50%;
    transform:translateX(-50%);
    white-space:normal;
    max-width:250px;
    text-align:center;
  }
  [data-tooltip]::after{
    right:auto;
    left:50%;
    transform:translateX(-50%);
  }
}

.filters{
  display:flex;gap:12px;flex-wrap:wrap;padding:14px 16px;border-bottom:1px solid var(--border);
  max-width:1280px;margin:0 auto;align-items:flex-end;
}
.filter{display:flex;flex-direction:column;gap:6px;min-width:160px;}
.filter.grow{flex:1;min-width:200px;}
.filter-reset{align-self:flex-end;}
@media (max-width:640px){
  .filter{min-width:100%;flex:1 1 100%;}
  .filter.grow{min-width:100%;}
}

.summary{padding:8px 16px;color:var(--muted);border-bottom:1px solid var(--border);max-width:1280px;margin:0 auto;}

.cards{
  display:grid;gap:12px;padding:16px;
  grid-template-columns:repeat(auto-fill,minmax(300px,1fr));
  max-width:1280px;margin:0 auto;
}
.card{
  background:var(--card);border:1px solid var(--border);border-radius:12px;
  padding:14px;display:flex;flex-direction:column;gap:10px;transition:border-color 0.2s;
}
.card:hover{border-color:var(--accent);}
.card h3{margin:0;font-size:18px;line-height:1.4;}
.card p{margin:0;line-height:1.5;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.kvs{display:grid;grid-template-columns:1fr 1fr;gap:6px;color:var(--muted);font-size:12px}
@media (max-width:640px){
  .kvs{grid-template-columns:1fr;}
}
.chips{display:flex;flex-wrap:wrap;gap:6px}
.chip{
  background:var(--chip);border:1px solid var(--border);
  padding:2px 8px;border-radius:999px;font-size:12px;color:var(--muted)
}
.chip.vector{background:var(--accent);color:#fff;border-color:var(--accent);}
.chip.target{background:var(--chip);border-color:var(--border);}
.card footer{display:flex;justify-content:flex-end}
.card .open{background:var(--accent);color:#fff;border:none;padding:8px 10px;border-radius:8px;cursor:pointer;font-weight:600;transition:filter 0.2s;}
.card .open:hover{filter:brightness(1.1);}

dialog{border:none;border-radius:12px;padding:0;width:min(680px,92vw);background:var(--modal-bg);color:var(--fg)}
dialog::backdrop{background:rgba(0,0,0,.6)}
.modal header{
  display:flex;justify-content:space-between;align-items:center;padding:12px 16px;border-bottom:1px solid var(--border)
}
.modal header h3{margin:0}
.modal header #dlgClose{background:var(--close-btn-bg);color:var(--fg);border:none;border-radius:8px;width:36px;height:36px;cursor:pointer;font-size:24px;transition:filter 0.2s;}
.modal header #dlgClose:hover{filter:brightness(1.1);}
.modal .modal-body{padding:14px 16px;display:flex;flex-direction:column;gap:12px}
.modal .modal-body h4{margin:8px 0 4px 0;font-size:16px;}
.modal .modal-body p{margin:0;line-height:1.6;}
.modal .modal-body ul{margin:0;padding-left:20px;line-height:1.6;}
.modal .modal-body .kvs{margin-bottom:8px;}
.modal footer{padding:12px 16px;border-top:1px solid var(--border);display:flex;justify-content:flex-end;display:none;}

.site-footer{border-top:1px solid var(--border);padding:16px;color:var(--muted);text-align:center;max-width:1280px;margin:0 auto;}

/* Risk score colors */
.risk-1{color:#4ade80;}
.risk-2{color:#a3e635;}
.risk-3{color:var(--warn);}
.risk-4{color:#fb923c;}
.risk-5{color:#f87171;}

/* Search clear button */
.search-wrapper{position:relative;flex:1;min-width:200px;}
.search-wrapper input{width:100%;padding-right:32px;}
.search-clear{position:absolute;right:8px;top:50%;transform:translateY(-50%);background:transparent;border:none;color:var(--muted);cursor:pointer;padding:4px;display:none;font-size:18px;}
.search-wrapper:has(input:not(:placeholder-shown)) .search-clear{display:block;}