/* ============================================================
   关系图谱 · 版式
   画布占满视口，控制台与详情抽屉浮在右上，沿用 app.css 的素纸 token
   规则同 app.css：直角、发丝线、无阴影堆叠、字距收敛
   ============================================================ */

.graph-body { overflow: hidden; }

.stage { position: fixed; inset: var(--nav-h) 0 0 0; }
#cv { display: block; width: 100%; height: 100%; cursor: grab; touch-action: none; }
#cv.dragging { cursor: grabbing; }
#cv.on-node { cursor: pointer; }

/* ---------- 左上 HUD ---------- */
.hud {
  position: absolute; top: 18px; left: 20px; z-index: 5;
  display: flex; flex-direction: column; gap: 10px; width: min(320px, calc(100vw - 40px));
}
.gsearch {
  display: flex; align-items: center; gap: 9px;
  background: var(--card); border: 1px solid var(--hair-2); border-radius: var(--r);
  box-shadow: var(--sh-1); padding: 9px 12px;
}
.gsearch svg { width: 14px; height: 14px; flex: none; fill: none; stroke: var(--ink-4); stroke-width: 1.6; }
.gsearch input { flex: 1; min-width: 0; border: 0; background: none; font: 400 13.5px/1.4 var(--sans); color: var(--ink); outline: none; }
.gsearch input::placeholder { color: var(--ink-4); }
#q-n { font: 400 11px/1 var(--sans); color: var(--v); letter-spacing: .02em; flex: none; }
.hud-stat {
  font: 400 12px/1.75 var(--sans); color: var(--ink-3);
  background: color-mix(in srgb, var(--card) 92%, transparent);
  border: 1px solid var(--hair); border-radius: var(--r); padding: 9px 12px;
  box-shadow: var(--sh-1); backdrop-filter: blur(6px);
}
.hud-stat b { color: var(--ink); font-weight: 500; font-variant-numeric: tabular-nums; }
.hud-stat i { font-style: normal; color: var(--ink-4); }

/* ---------- 控制台 ---------- */
.panel {
  position: absolute; top: 18px; right: 20px; z-index: 6; width: 258px;
  max-height: calc(100% - 36px); overflow-y: auto;
  background: var(--card); border: 1px solid var(--hair-2); border-radius: 4px;
  box-shadow: var(--sh-2); padding: 18px 18px 16px;
  transition: transform .32s var(--ease), opacity .32s var(--ease);
}
.panel.off { transform: translateX(calc(100% + 28px)); opacity: 0; pointer-events: none; }
.panel::-webkit-scrollbar { width: 6px; }
.panel::-webkit-scrollbar-thumb { background: var(--hair); border-radius: 3px; }

.p-h {
  display: flex; align-items: baseline; gap: 8px;
  font: 400 11px/1 var(--sans); letter-spacing: .12em; color: var(--ink-4);
  margin: 22px 0 11px;
}
.p-h:first-child { margin-top: 0; }
.p-h::after { content: ""; flex: 1; height: 1px; background: var(--hair); }
.p-h i { font-style: normal; letter-spacing: 0; color: var(--v); font-variant-numeric: tabular-nums; }

.legend { display: grid; gap: 8px; }
.legend span { display: flex; align-items: center; gap: 9px; font-size: 12.5px; color: var(--ink-2); }
.legend i { width: 8px; height: 8px; border-radius: 50%; flex: none; box-shadow: 0 0 0 1px var(--hair); }
.legend em { font-style: normal; margin-left: auto; color: var(--ink-4); font: 400 11px var(--sans); font-variant-numeric: tabular-nums; }

.switches { display: grid; gap: 5px; }
.sw {
  display: flex; align-items: center; gap: 9px; padding: 5px 0; cursor: pointer;
  font-size: 13px; color: var(--ink-2);
}
.sw input { appearance: none; width: 14px; height: 14px; flex: none; margin: 0;
  border: 1px solid var(--ink-4); border-radius: 2px; background: transparent; position: relative; }
.sw input:checked { background: var(--ink); border-color: var(--ink); }
.sw input:checked::after {
  content: ""; position: absolute; left: 3.5px; top: 1px; width: 4px; height: 7.5px;
  border: solid var(--paper); border-width: 0 1.6px 1.6px 0; transform: rotate(42deg);
}
.sw em { font-style: normal; margin-left: auto; color: var(--ink-4); font: 400 11px/1 var(--sans); font-variant-numeric: tabular-nums; }

/* 着色切换：文字页签，选中加下划线 */
.seg { display: flex; gap: 16px; border: 0; border-radius: 0; overflow: visible; }
.seg button {
  flex: none; padding: 2px 0 4px; font-size: 13px; color: var(--ink-3);
  border: 0; border-bottom: 1.5px solid transparent; border-radius: 0;
  transition: color .2s, border-color .2s;
}
.seg button[aria-pressed="true"] { background: none; color: var(--ink); border-bottom-color: var(--ink); }

.chips { display: flex; flex-wrap: wrap; gap: 4px 16px; }
.gsel {
  width: 100%; padding: 8px 10px; font: 400 12.5px var(--sans); color: var(--ink);
  background: var(--paper-2); border: 1px solid var(--hair-2); border-radius: 2px;
}

.rng { display: flex; align-items: center; gap: 10px; font-size: 12px; color: var(--ink-3); padding: 5px 0; }
.rng input { flex: 1; min-width: 0; accent-color: var(--v); height: 2px; }
.rng i { font-style: normal; width: 32px; text-align: right; font: 400 11px var(--sans); color: var(--ink-4); font-variant-numeric: tabular-nums; }

.p-btns { display: grid; grid-template-columns: 1fr 1fr; gap: 7px; margin-top: 18px; }
.mini {
  padding: 8px 6px; font-size: 12px; color: var(--ink-2);
  border: 1px solid var(--hair-2); border-radius: 2px; background: none;
  transition: border-color .2s var(--ease), color .2s, background .2s;
}
.mini:hover { background: none; border-color: var(--ink); color: var(--ink); }
.mini.on { background: var(--ink); border-color: var(--ink); color: var(--paper); }
.mini.on:hover { color: var(--paper); filter: brightness(.88); }
.p-tip { margin: 16px 0 0; font-size: 11.5px; line-height: 1.8; color: var(--ink-4); }

/* 全屏画布页（词云 / 图谱）没有页脚，免责声明落在控制台面板最底下 */
.p-disclaim {
  margin: 14px 0 0; padding-left: 10px; border-left: 2px solid var(--v);
  font-size: 11px; line-height: 1.75; color: var(--ink-4);
}
.p-disclaim b { margin-right: .4em; color: var(--v); font-weight: 500; letter-spacing: .1em; }

/* ---------- 详情抽屉 ---------- */
.drawer {
  position: absolute; top: 18px; right: 20px; z-index: 8; width: 356px;
  max-height: calc(100% - 36px); display: flex; flex-direction: column;
  background: var(--card); border: 1px solid var(--hair-2); border-radius: 4px;
  box-shadow: var(--sh-2); padding: 18px 20px 18px;
  animation: dIn .3s var(--ease);
}
@keyframes dIn { from { opacity: 0; transform: translateX(16px); } to { opacity: 1; transform: none; } }
.d-h { display: flex; align-items: center; gap: 10px; }
.d-idx { font: 400 11px/1 var(--sans); letter-spacing: .12em; color: var(--v); }
.d-x { margin-left: auto; font-size: 15px; color: var(--ink-4); }
.d-x:hover { color: var(--ink); }
.drawer h3 { margin: 14px 0 12px; font: 600 18.5px/1.58 var(--serif); color: var(--ink); }
.d-meta { display: flex; flex-wrap: wrap; gap: 6px; }
.d-meta .tag { border-color: var(--hair-2); color: var(--ink-4); }
.d-quote {
  margin: 16px 0 0; padding: 1px 0 1px 16px; border-radius: 0;
  background: none; border-left: 1px solid var(--hair-2);
  font: 400 13.5px/1.9 var(--sans); color: var(--ink-2); overflow-y: auto; max-height: 30vh;
}
.d-quote:empty { display: none; }
.d-dl { margin: 16px 0 0; display: grid; grid-template-columns: auto 1fr; gap: 8px 14px; font-size: 12.5px; }
.d-dl dt { color: var(--ink-4); font: 400 11px/1.75 var(--sans); letter-spacing: .06em; }
.d-dl dd { margin: 0; color: var(--ink-2); line-height: 1.8; }
.d-dl dd a { color: var(--v); text-decoration: underline; text-underline-offset: 2px; word-break: break-all; }
.d-links { margin-top: 18px; overflow-y: auto; }
.d-nei { display: grid; gap: 2px; }
.d-nei button {
  display: flex; align-items: baseline; gap: 9px; text-align: left; width: 100%;
  padding: 6px 8px; border-radius: 2px; font-size: 12.5px; color: var(--ink-2);
}
.d-nei button:hover { background: var(--paper-2); color: var(--ink); }
.d-nei b { font: 400 11px/1 var(--sans); color: var(--ink-4); flex: none; font-variant-numeric: tabular-nums; }
.d-nei span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.d-btns { display: flex; gap: 8px; margin-top: 18px; }
.d-btns .btn { flex: 1; justify-content: center; font-size: 13px; padding: 9px 10px; }

/* ---------- 提示与吐司 ---------- */
.tip {
  position: fixed; z-index: 20; pointer-events: none;
  max-width: 300px; padding: 8px 11px; border-radius: 2px;
  background: var(--card); border: 1px solid var(--hair-2); box-shadow: var(--sh-1);
  font: 400 12px/1.65 var(--sans); color: var(--ink);
}
.tip b { display: block; font: 400 10.5px/1.4 var(--sans); letter-spacing: .1em; color: var(--v); }
.toast {
  position: fixed; left: 50%; bottom: 36px; transform: translateX(-50%); z-index: 30;
  padding: 9px 18px; border-radius: 2px; background: var(--ink); color: var(--paper);
  font: 400 12.5px/1 var(--sans); box-shadow: var(--sh-2);
}

@media (max-width: 900px) {
  .hud { left: 16px; right: 16px; width: auto; }
  .panel { top: 16px; right: 16px; width: min(290px, calc(100vw - 32px)); }
  .drawer { top: 16px; right: 16px; left: 16px; width: auto; }

  /* ---- 图谱页（不含词云页）：控制台与详情都收到底部，别压住图 ----
     纯媒体查询实现，不依赖 JS 加的 bl-narrow —— 就算脚本没跑，控制台也不会挡图 */
  .graph-body:not(.cloud-body) .panel {
    top: auto; right: 12px; left: 12px; bottom: 12px; width: auto;
    max-height: 44vh; padding: 16px 16px 14px;
    transform: translateY(calc(100% + 44px)); opacity: 0; pointer-events: none;
  }
  .graph-body:not(.cloud-body) .panel.open {
    transform: none; opacity: 1; pointer-events: auto;
  }
  .graph-body:not(.cloud-body) .panel.off { transform: translateY(calc(100% + 44px)); opacity: 0; }

  .graph-body:not(.cloud-body) .drawer {
    top: auto; right: 12px; left: 12px; bottom: 12px; width: auto;
    max-height: 56vh; padding: 16px 16px 16px;
  }
  .graph-body:not(.cloud-body) .d-quote { max-height: 18vh; }

  /* 手机：统计条只留一行，把纵向空间还给图 */
  .graph-body:not(.cloud-body) .hud-fps { display: none; }
}