:root{
  --bg: #0b1020;
  --panel: rgba(255,255,255,.06);
  --panel2: rgba(255,255,255,.08);
  --stroke: rgba(255,255,255,.14);
  --text: rgba(255,255,255,.92);
  --muted: rgba(255,255,255,.72);
  --muted2: rgba(255,255,255,.58);
  --accent: #8b5cf6;
  --accent2:#22c55e;
  --danger:#fb7185;
  --person:#60a5fa;
  --org:#fbbf24;
  --event:#a78bfa;
  --country:#34d399;
  --shadow: 0 18px 60px rgba(0,0,0,.45);
}

*{ box-sizing:border-box; }
html,body{ height:100%; }
body{
  margin:0;
  background:
    radial-gradient(900px 600px at 15% 10%, rgba(139,92,246,.22), transparent 60%),
    radial-gradient(800px 600px at 85% 15%, rgba(34,197,94,.16), transparent 60%),
    radial-gradient(900px 700px at 50% 110%, rgba(96,165,250,.10), transparent 60%),
    var(--bg);
  color:var(--text);
  font: 14px/1.35 ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
}

a{ color: rgba(255,255,255,.92); text-decoration: underline; text-decoration-color: rgba(255,255,255,.35); }
a:hover{ text-decoration-color: rgba(255,255,255,.8); }

.topbar{
  position:sticky;
  top:0;
  z-index:5;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:14px 16px;
  backdrop-filter: blur(14px);
  background: linear-gradient(180deg, rgba(11,16,32,.86), rgba(11,16,32,.60));
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.brand{ font-weight: 750; letter-spacing: .3px; }
.subtitle{ color:var(--muted); font-size:12px; margin-top:2px; }
.topbar__right{ display:flex; align-items:center; gap:10px; }
.segmented{
  display:flex;
  align-items:center;
  gap:4px;
  padding:4px;
  border:1px solid rgba(255,255,255,.10);
  border-radius: 999px;
  background: rgba(255,255,255,.04);
}
.segmented__btn{
  appearance:none;
  border:0;
  background: transparent;
  color: rgba(255,255,255,.74);
  padding: 8px 12px;
  border-radius: 999px;
  cursor:pointer;
}
.segmented__btn.is-active{
  background: rgba(96,165,250,.18);
  color: #ffffff;
  box-shadow: inset 0 0 0 1px rgba(96,165,250,.30);
}
.segmented__btn:hover{ color: #ffffff; }
.searchbar{
  display:flex;
  align-items:center;
  gap:8px;
  min-width: min(420px, 42vw);
}
.searchbar__input{
  width:100%;
  min-width:0;
  appearance:none;
  border:1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.05);
  color: var(--text);
  padding: 10px 12px;
  border-radius: 12px;
  outline:none;
}
.searchbar__input::placeholder{ color: rgba(255,255,255,.46); }
.searchbar__input:focus{
  border-color: rgba(96,165,250,.85);
  box-shadow: 0 0 0 4px rgba(96,165,250,.15);
}
.sr-only{
  position:absolute;
  width:1px;
  height:1px;
  padding:0;
  margin:-1px;
  overflow:hidden;
  clip:rect(0, 0, 0, 0);
  white-space:nowrap;
  border:0;
}

.toggle{
  display:flex; align-items:center; gap:8px;
  padding:8px 10px;
  border:1px solid rgba(255,255,255,.10);
  border-radius: 999px;
  background: rgba(255,255,255,.04);
}
.toggle input{ accent-color: var(--accent); }
.btn{
  appearance:none;
  border:1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.08);
  color: var(--text);
  padding: 9px 12px;
  border-radius: 12px;
  cursor:pointer;
}
.btn:hover{ background: rgba(255,255,255,.12); }
.btn:active{ transform: translateY(1px); }
.btn--ghost{ background: transparent; }

.layout{
  display:grid;
  grid-template-columns: minmax(0, 1fr) 330px;
  gap: 14px;
  padding: 14px 14px 18px 14px;
  height: calc(100vh - 60px);
}

.canvas{
  position:relative;
  border:1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.03);
  border-radius: 18px;
  overflow:hidden;
  box-shadow: var(--shadow);
}
#graph{
  width:100%;
  height:100%;
  display:block;
}
.hint{
  position:absolute;
  left:12px;
  bottom:12px;
  padding:8px 10px;
  border-radius: 12px;
  border:1px solid rgba(255,255,255,.12);
  background: rgba(0,0,0,.26);
  color: rgba(255,255,255,.80);
  font-size:12px;
}

.sidebar{
  display:flex;
  flex-direction:column;
  gap:14px;
  min-width: 0;
}
.panel{
  border:1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.04);
  border-radius: 18px;
  padding: 12px;
  box-shadow: var(--shadow);
}
.panel__title{
  font-size:12px;
  text-transform: uppercase;
  letter-spacing: .14em;
  color: rgba(255,255,255,.72);
  margin-bottom: 10px;
}
.legend{ display:flex; flex-direction:column; gap:8px; }
.legend__row{ display:flex; align-items:center; gap:10px; color: rgba(255,255,255,.82); }
.dot{ width:10px; height:10px; border-radius:999px; display:inline-block; }
.dot--person{ background: var(--person); }
.dot--org{ background: var(--org); }
.dot--event{ background: var(--event); }
.dot--country{ background: var(--country); }
.dataset{ display:grid; grid-template-columns: 70px 1fr; gap: 8px 10px; }
.dataset__k{ color: rgba(255,255,255,.70); font-size:12px; }
.dataset__v{ color: rgba(255,255,255,.88); font-size:13px; min-width: 0; }

/* Graph styles */
.link{
  stroke: rgba(255,255,255,.22);
  stroke-width: 1.6px;
  vector-effect: non-scaling-stroke;
  cursor: pointer;
  transition: opacity .18s ease, stroke-width .18s ease, stroke .18s ease;
}
.link.is-implied{
  stroke-dasharray: 3.5 5.5;
  stroke: rgba(255,255,255,.18);
}
.link.is-dimmed{
  opacity: .08;
}
.link.is-focus{
  stroke: rgba(96,165,250,.88);
  stroke-width: 2.5px;
}
.link:hover{ stroke: rgba(139,92,246,.85); stroke-width: 2.6px; }
.link.is-selected{ stroke: rgba(34,197,94,.9); stroke-width: 3px; }

.node circle{
  stroke: rgba(255,255,255,.22);
  stroke-width: 1px;
  transition: opacity .18s ease, stroke-width .18s ease, stroke .18s ease, filter .18s ease;
}
.node.is-dimmed{
  opacity: .16;
}
.node.is-focus text{
  fill: #ffffff;
  stroke: rgba(11,16,32,.96);
}
.node.is-focus circle{
  stroke: rgba(34,197,94,.95);
  stroke-width: 3px;
  filter: drop-shadow(0 0 18px rgba(34,197,94,.42));
}
.node.is-match text{
  fill: #ffffff;
  stroke: rgba(11,16,32,.94);
}
.node.is-match circle{
  stroke: rgba(96,165,250,.95);
  stroke-width: 3px;
  filter: drop-shadow(0 0 16px rgba(96,165,250,.55));
}
.node text{
  font-size: 12px;
  fill: rgba(255,255,255,.86);
  paint-order: stroke;
  stroke: rgba(0,0,0,.55);
  stroke-width: 3px;
  stroke-linejoin: round;
  pointer-events: none;
}

.modal-backdrop{
  position:fixed;
  inset:0;
  background: rgba(0,0,0,.55);
  backdrop-filter: blur(8px);
  z-index: 20;
}
.modal{
  width: min(720px, calc(100vw - 28px));
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 18px;
  padding:0;
  background: rgba(10,14,28,.94);
  color: var(--text);
  box-shadow: 0 30px 90px rgba(0,0,0,.6);
  z-index: 21;
}
.modal::backdrop{ background: transparent; }
.modal__frame{ margin:0; padding:14px; }
.modal__header{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(255,255,255,.10);
}
.modal__title{ font-weight: 760; letter-spacing: .2px; }
.modal__subtitle{ margin-top:2px; font-size:12px; color: rgba(255,255,255,.70); }
.iconbtn{
  border:1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.06);
  color: rgba(255,255,255,.86);
  border-radius: 12px;
  width: 36px;
  height: 36px;
  cursor:pointer;
}
.iconbtn:hover{ background: rgba(255,255,255,.10); }

.modal__body{ padding: 12px 0 6px 0; }
.kv{
  display:grid;
  grid-template-columns: 110px 1fr;
  gap: 8px 10px;
  padding: 10px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.04);
}
.kv__k{ color: rgba(255,255,255,.70); font-size:12px; }
.kv__v{ color: rgba(255,255,255,.90); font-size:13px; }

.sources{ margin-top: 12px; }
.sources__title{
  font-size:12px;
  text-transform: uppercase;
  letter-spacing: .14em;
  color: rgba(255,255,255,.72);
  margin: 0 0 10px 0;
}
.sources__list{ list-style:none; padding:0; margin:0; display:flex; flex-direction:column; gap:10px; }
.source-item{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap: 10px;
  padding: 10px;
  border-radius: 14px;
  border:1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.04);
}
.source-item__title{ font-weight:650; font-size:13px; }
.source-item__url{ margin-top:2px; font-size:12px; color: rgba(255,255,255,.68); word-break: break-word; }
.chip{
  padding: 6px 9px;
  border-radius: 999px;
  border:1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.06);
  font-size:12px;
  white-space: nowrap;
}
.modal__footer{
  display:flex;
  justify-content:flex-end;
  gap: 10px;
  padding-top: 10px;
  border-top: 1px solid rgba(255,255,255,.10);
}

@media (max-width: 980px){
  .layout{ grid-template-columns: 1fr; height:auto; }
  .canvas{ height: 70vh; }
  .topbar{
    align-items:flex-start;
    flex-direction:column;
  }
  .topbar__right{
    flex-wrap:wrap;
    width:100%;
  }
  .searchbar{
    min-width:0;
    width:100%;
  }
  .segmented{
    width:100%;
    justify-content:space-between;
  }
  .control{
    width:100%;
    justify-content:space-between;
  }
}