/* ============================================================
   KNOWLEDGE GRAPH — styles for the interactive entity-graph
   surface. Theme-aware: every colour comes from the kit tokens
   (--neon/--violet/--pink/--win/--card/--line), so it recolours
   with the palette. The canvas itself is painted in JS.
   Mount: <div data-knowledge-graph></div>
   ============================================================ */

.kg {
  --kg-h: clamp(440px, 70vh, 720px);
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 14px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--card);
  padding: 12px;
  box-shadow: 0 30px 80px -50px #000;
}
@media (max-width: 860px) { .kg { grid-template-columns: 1fr; } }

/* ---- stage (canvas + floating overlays) ---- */
.kg-stage {
  position: relative;
  height: var(--kg-h);
  border-radius: 14px;
  overflow: hidden;
  background:
    radial-gradient(120% 120% at 30% 0%, color-mix(in srgb, var(--violet) 10%, transparent), transparent 60%),
    radial-gradient(120% 120% at 90% 100%, color-mix(in srgb, var(--neon) 10%, transparent), transparent 55%),
    var(--bg);
  border: 1px solid var(--line);
  cursor: grab;
  touch-action: none;
}
.kg-stage.is-panning { cursor: grabbing; }
.kg-stage.is-node    { cursor: pointer; }
.kg-canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }

/* search + toolbar float top-left/right of the stage */
.kg-controls {
  position: absolute; top: 10px; left: 10px; right: 10px;
  display: flex; gap: 8px; align-items: center; flex-wrap: wrap;
  pointer-events: none;
}
.kg-controls > * { pointer-events: auto; }
.kg-search {
  flex: 1 1 180px; min-width: 130px; max-width: 280px;
  display: flex; align-items: center; gap: 7px;
  background: color-mix(in srgb, var(--card) 82%, transparent);
  border: 1px solid var(--line); border-radius: 999px;
  padding: 7px 12px; backdrop-filter: blur(8px);
}
.kg-search:focus-within { border-color: color-mix(in srgb, var(--neon) 55%, var(--line)); box-shadow: 0 0 0 3px var(--tint-neon); }
.kg-search svg { width: 14px; height: 14px; flex: none; opacity: .65; }
.kg-search input {
  flex: 1; min-width: 0; background: none; border: 0; outline: 0;
  color: var(--ink); font: inherit; font-size: 13.5px;
}
.kg-search input::placeholder { color: var(--mut); }

.kg-tools { display: flex; gap: 6px; margin-left: auto; }
.kg-btn {
  display: inline-flex; align-items: center; gap: 6px;
  font: inherit; font-size: 12.5px; font-weight: 600; color: var(--mut);
  background: color-mix(in srgb, var(--card) 82%, transparent);
  border: 1px solid var(--line); border-radius: 10px;
  padding: 7px 10px; cursor: pointer; backdrop-filter: blur(8px);
  transition: color .15s, border-color .15s, background .15s;
}
.kg-btn:hover { color: var(--ink); border-color: color-mix(in srgb, var(--neon) 45%, var(--line)); }
.kg-btn[aria-pressed="true"] { color: #05050a; background: linear-gradient(120deg, var(--neon), var(--violet)); border-color: transparent; }
.kg-btn:focus-visible { outline: 3px solid var(--pink); outline-offset: 2px; }

/* live-build button + its pulsing dot */
.kg-live-btn .kg-live-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--neon); box-shadow: 0 0 0 0 var(--glow-neon); }
.kg-live-btn.on { color: #05050a; background: linear-gradient(120deg, var(--neon), var(--violet)); border-color: transparent; }
.kg-live-btn.on .kg-live-dot { background: #05050a; animation: kg-pulse 1.4s infinite; }
@keyframes kg-pulse { 0% { box-shadow: 0 0 0 0 rgba(5,5,10,.5); } 70% { box-shadow: 0 0 0 6px rgba(5,5,10,0); } 100% { box-shadow: 0 0 0 0 rgba(5,5,10,0); } }

/* live-build status ticker (top-center of stage) */
.kg-status {
  position: absolute; top: 52px; left: 50%; transform: translateX(-50%); z-index: 4;
  display: flex; align-items: center; gap: 10px; max-width: calc(100% - 24px);
  padding: 7px 14px; border-radius: 999px;
  background: color-mix(in srgb, var(--card) 90%, #000);
  border: 1px solid color-mix(in srgb, var(--neon) 45%, var(--line));
  box-shadow: 0 14px 40px -18px #000; backdrop-filter: blur(8px);
  font-size: 13px; color: var(--ink); white-space: nowrap; overflow: hidden;
}
.kg-status[hidden] { display: none; }
.kg-status .kg-st-msg { overflow: hidden; text-overflow: ellipsis; }
.kg-status .kg-st-msg b { color: var(--neon); font-weight: 700; }
.kg-status .kg-st-link { color: var(--neon); font-weight: 700; text-decoration: none; border-bottom: 1px dashed color-mix(in srgb, var(--neon) 50%, transparent); }
.kg-status .kg-st-link:hover { border-bottom-style: solid; }
.kg-status .kg-st-plus { color: var(--win); font-weight: 700; }
.kg-status .kg-st-prog { flex: none; color: var(--mut); font-variant-numeric: tabular-nums; font-size: 11.5px; padding-left: 10px; border-left: 1px solid var(--line); }

/* legend bottom-left */
.kg-legend {
  position: absolute; left: 10px; bottom: 10px;
  display: flex; flex-wrap: wrap; gap: 5px; max-width: calc(100% - 20px);
}
.kg-leg {
  display: inline-flex; align-items: center; gap: 6px;
  font: inherit; font-size: 11.5px; font-weight: 600; color: var(--mut);
  background: color-mix(in srgb, var(--card) 80%, transparent);
  border: 1px solid var(--line); border-radius: 999px;
  padding: 4px 10px 4px 7px; cursor: pointer; backdrop-filter: blur(8px);
  transition: opacity .15s, border-color .15s, color .15s;
}
.kg-leg:hover { color: var(--ink); }
.kg-leg.off { opacity: .4; }
.kg-leg:focus-visible { outline: 2px solid var(--pink); outline-offset: 2px; }
.kg-leg .kg-swatch { width: 10px; height: 10px; border-radius: 50%; flex: none; box-shadow: 0 0 8px -1px currentColor; }
.kg-leg .kg-n { color: var(--mut); font-variant-numeric: tabular-nums; opacity: .8; }

/* hover tooltip (DOM, follows cursor) */
.kg-tip {
  position: absolute; z-index: 5; pointer-events: none;
  max-width: 230px; padding: 8px 11px;
  background: color-mix(in srgb, var(--card) 94%, #000);
  border: 1px solid color-mix(in srgb, var(--neon) 40%, var(--line));
  border-radius: 10px; box-shadow: 0 16px 40px -18px #000;
  font-size: 12.5px; color: var(--ink); opacity: 0; transform: translateY(4px);
  transition: opacity .12s, transform .12s;
}
.kg-tip.show { opacity: 1; transform: translateY(0); }
.kg-tip b { display: block; font-family: var(--font-display, inherit); font-size: 13px; }
.kg-tip .kg-tip-type { font-size: 10.5px; text-transform: uppercase; letter-spacing: .6px; color: var(--mut); }

/* ---- side detail panel ---- */
.kg-panel {
  display: flex; flex-direction: column; min-height: 0;
  background: var(--bg2); border: 1px solid var(--line); border-radius: 14px;
  padding: 16px; overflow: auto;
}
@media (max-width: 860px) { .kg-panel { max-height: 360px; } }
.kg-panel .kg-eyebrow { font-size: 11px; font-weight: 800; text-transform: uppercase; letter-spacing: 1.2px; color: var(--pink); }
.kg-empty { color: var(--mut); font-size: 13.5px; line-height: 1.55; margin: 10px 0 0; }
.kg-empty b { color: var(--ink); }

.kg-detail-head { display: flex; align-items: center; gap: 10px; margin: 6px 0 4px; }
.kg-detail-head .kg-dot { width: 14px; height: 14px; border-radius: 50%; flex: none; box-shadow: 0 0 12px -2px currentColor; }
.kg-detail-head h3 { font-family: var(--font-display, inherit); font-size: 18px; line-height: 1.2; margin: 0; color: var(--ink); }
.kg-type-pill { display: inline-block; font-size: 10.5px; font-weight: 700; text-transform: uppercase; letter-spacing: .6px; color: var(--mut); border: 1px solid var(--line); border-radius: 999px; padding: 2px 9px; margin: 2px 0 10px; }
.kg-detail p { font-size: 13.5px; line-height: 1.6; color: var(--mut); margin: 0 0 12px; }
.kg-open {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 13px; font-weight: 700; color: #05050a;
  background: linear-gradient(120deg, var(--neon), var(--violet));
  border-radius: 10px; padding: 8px 13px; margin-bottom: 14px;
}
.kg-open:hover { box-shadow: 0 12px 30px -12px var(--glow-neon); }

.kg-conn-h { font-size: 11.5px; font-weight: 700; text-transform: uppercase; letter-spacing: .8px; color: var(--mut); margin: 4px 0 8px; }
.kg-conns { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 5px; }
.kg-conns li { margin: 0; }
.kg-conn {
  width: 100%; display: flex; align-items: center; gap: 8px; text-align: left;
  font: inherit; font-size: 13px; color: var(--ink); cursor: pointer;
  background: color-mix(in srgb, var(--card) 60%, transparent);
  border: 1px solid var(--line); border-radius: 9px; padding: 7px 9px;
  transition: border-color .15s, background .15s;
}
.kg-conn:hover { border-color: color-mix(in srgb, var(--neon) 45%, var(--line)); background: var(--card); }
.kg-conn:focus-visible { outline: 2px solid var(--pink); outline-offset: 1px; }
.kg-conn .kg-dot { width: 9px; height: 9px; border-radius: 50%; flex: none; }
.kg-conn .kg-rel { color: var(--mut); font-size: 11.5px; margin-left: auto; white-space: nowrap; }

/* ---- "for agents" panel ---- */
.kg-agents {
  margin-top: 12px; padding: 12px;
  border: 1px dashed color-mix(in srgb, var(--neon) 40%, var(--line));
  border-radius: 12px; background: var(--tint-neon);
}
.kg-agents h4 { font-family: var(--font-display, inherit); font-size: 13.5px; margin: 0 0 5px; color: var(--ink); display: flex; align-items: center; gap: 7px; }
.kg-agents p { font-size: 12px; line-height: 1.5; color: var(--mut); margin: 0 0 10px; }
.kg-agent-row { display: flex; gap: 7px; flex-wrap: wrap; }
.kg-agent-row a, .kg-agent-row button {
  font: inherit; font-size: 12px; font-weight: 600; cursor: pointer;
  color: var(--ink); background: color-mix(in srgb, var(--card) 70%, transparent);
  border: 1px solid var(--line); border-radius: 8px; padding: 6px 10px;
  display: inline-flex; align-items: center; gap: 6px;
}
.kg-agent-row a:hover, .kg-agent-row button:hover { border-color: color-mix(in srgb, var(--neon) 50%, var(--line)); color: var(--neon); }
.kg-agent-row button.ok { color: var(--win); border-color: color-mix(in srgb, var(--win) 50%, var(--line)); }

/* ---- crawlable static index (server-rendered; enhanced/hidden by JS) ---- */
.kg-index { margin-top: 14px; font-size: 13.5px; }
.kg-index > summary { cursor: pointer; color: var(--mut); font-weight: 600; }
.kg-index h3 { font-size: 13px; color: var(--ink); margin: 14px 0 6px; }
.kg-index ul { margin: 0 0 4px; padding-left: 18px; color: var(--mut); }
.kg-index a { color: var(--neon); }
.kg-index.kg-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }

@media (prefers-reduced-motion: reduce) { .kg-tip { transition: none; } }