/* ============================================================
   事故回溯 · AI 根因分析 — #page-incidents（重构版）
   三区布局：左事件列表 / 右上事件头+因果链 / 右下时间线+AI+预防
   ============================================================ */

#page-incidents .inc-wrap {
  display: grid; grid-template-columns: 300px 1fr; gap: 14px; align-items: start;
}

/* ---------------- 左列事件列表 ---------------- */
#page-incidents .inc-side { position: sticky; top: 0; }
#page-incidents .inc-list { padding: 12px; display: flex; flex-direction: column; gap: 10px; max-height: calc(100vh - 190px); overflow-y: auto; }
#page-incidents .inc-ev {
  border: 1.5px solid var(--line); border-radius: 12px; padding: 12px 13px;
  cursor: pointer; background: #fff; transition: all .16s;
}
#page-incidents .inc-ev:hover { border-color: var(--ink-4); box-shadow: var(--shadow-sm); }
#page-incidents .inc-ev.active {
  border-color: var(--red); background: var(--red-soft);
  box-shadow: 0 0 0 3px rgba(204,0,0,.08);
}
#page-incidents .inc-ev-top { display: flex; justify-content: space-between; align-items: center; }
#page-incidents .inc-ev-id { font-size: 11.5px; font-weight: 800; color: var(--ink-2); }
#page-incidents .inc-ev.active .inc-ev-id { color: var(--red); }
#page-incidents .inc-ev-title {
  font-size: 12.5px; font-weight: 700; color: var(--ink); line-height: 1.5; margin: 7px 0 8px;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
#page-incidents .inc-ev-bar { height: 4px; border-radius: 4px; background: var(--line-2); overflow: hidden; }
#page-incidents .inc-ev-bar i { display: block; height: 100%; border-radius: 4px; background: linear-gradient(90deg, var(--orange), var(--red)); }
#page-incidents .inc-ev-meta { display: flex; align-items: center; gap: 5px; margin-top: 9px; }
#page-incidents .inc-ev-score { margin-left: auto; font-size: 15px; font-weight: 800; color: var(--red); }

/* ---------------- 右主区 ---------------- */
#page-incidents .inc-main { display: flex; flex-direction: column; gap: 14px; min-width: 0; }

/* 事件头卡片 */
#page-incidents .inc-head-card .inc-head {
  display: flex; gap: 18px; align-items: flex-start; padding: 18px 20px;
}
#page-incidents .inc-ring { flex-shrink: 0; }
#page-incidents .inc-head-main { flex: 1; min-width: 0; }
#page-incidents .inc-head-tags { display: flex; gap: 7px; align-items: center; }
#page-incidents .inc-title { font-size: 17px; font-weight: 800; margin: 7px 0 10px; letter-spacing: .2px; }
#page-incidents .inc-meta { display: flex; flex-wrap: wrap; gap: 6px 16px; font-size: 12px; color: var(--ink-2); }
#page-incidents .inc-meta b { color: var(--ink-4); font-weight: 600; margin-right: 5px; font-size: 11px; }
#page-incidents .inc-meta i { font-style: normal; }

/* 因果链 */
#page-incidents .inc-chain {
  flex-shrink: 0; width: 250px; background: var(--bg); border: 1px solid var(--line-2);
  border-radius: 12px; padding: 12px 14px;
}
#page-incidents .inc-chain-k { font-size: 11px; font-weight: 800; color: var(--ink-2); margin-bottom: 9px; }
#page-incidents .inc-chain-row { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 5px; }
#page-incidents .inc-chain-node {
  font-size: 10.5px; font-weight: 700; color: var(--ink-2);
  background: #fff; border: 1px solid var(--line); padding: 3.5px 8px; border-radius: 12px;
}
#page-incidents .inc-chain-node.hot { background: var(--red-tint); border-color: #EFC9C9; color: var(--red); }
#page-incidents .inc-chain-row i { color: var(--ink-4); font-style: normal; font-size: 10px; }

/* 下半区：时间线 + 右列 */
#page-incidents .inc-bottom { display: grid; grid-template-columns: 1.15fr 1fr; gap: 14px; align-items: start; }
#page-incidents .inc-right-col { display: flex; flex-direction: column; gap: 14px; min-width: 0; }

/* 时间线 */
#page-incidents .inc-tl { padding: 16px 20px 20px; }
#page-incidents .inc-tl-item { display: flex; gap: 13px; position: relative; padding-bottom: 18px; }
#page-incidents .inc-tl-item:last-child { padding-bottom: 0; }
#page-incidents .inc-tl-rail { position: relative; width: 30px; flex-shrink: 0; display: flex; justify-content: center; }
#page-incidents .inc-tl-rail::before {
  content: ''; position: absolute; top: 30px; bottom: -4px; width: 2px; background: var(--line);
}
#page-incidents .inc-tl-item:last-child .inc-tl-rail::before { display: none; }
#page-incidents .inc-tl-dot {
  width: 30px; height: 30px; border-radius: 50%; z-index: 1;
  background: color-mix(in srgb, var(--tc) 12%, #fff); color: var(--tc);
  border: 1.6px solid var(--tc);
  display: flex; align-items: center; justify-content: center;
}
#page-incidents .inc-tl-item.incident .inc-tl-dot { background: var(--red); color: #fff; }
#page-incidents .inc-tl-item.incident .inc-tl-bd {
  background: var(--red-soft); border: 1px solid #F2D9D9; border-radius: 10px; padding: 10px 13px; margin: -6px 0;
}
#page-incidents .inc-tl-bd { flex: 1; min-width: 0; }
#page-incidents .inc-tl-hd { display: flex; align-items: center; gap: 9px; }
#page-incidents .inc-tl-time { font-size: 11px; color: var(--ink-3); font-weight: 700; }
#page-incidents .inc-tl-title { font-size: 13px; font-weight: 800; color: var(--ink); margin: 5px 0 3px; }
#page-incidents .inc-tl-desc { font-size: 12px; color: var(--ink-3); line-height: 1.75; }

/* AI 根因 */
#page-incidents .inc-ai { padding: 14px 18px 18px; max-height: 430px; overflow-y: auto; }
#page-incidents .inc-ai-idle {
  text-align: center; padding: 26px 10px; color: var(--ink-3); font-size: 12px;
  display: flex; flex-direction: column; align-items: center; gap: 12px;
}
#page-incidents .inc-ai-idle-icon {
  width: 46px; height: 46px; border-radius: 14px; background: var(--red-tint); color: var(--red);
  display: flex; align-items: center; justify-content: center; font-size: 20px;
}
#page-incidents .inc-ai .md { font-size: 12.5px; }

/* 预防建议 */
#page-incidents .inc-prev { padding: 12px 16px 16px; display: flex; flex-direction: column; gap: 8px; }
#page-incidents .inc-prev-item {
  display: flex; gap: 10px; align-items: flex-start;
  background: var(--green-tint); border: 1px solid #CDE9DC; border-radius: 10px;
  padding: 9px 13px; font-size: 12.5px; line-height: 1.65; color: #14563C;
}
#page-incidents .inc-prev-n {
  flex-shrink: 0; font-weight: 800; color: var(--green); font-size: 11px;
  background: #fff; border-radius: 6px; padding: 2px 6px; margin-top: 1px;
}

@media (max-width: 1280px) {
  #page-incidents .inc-wrap { grid-template-columns: 1fr; }
  #page-incidents .inc-bottom { grid-template-columns: 1fr; }
  #page-incidents .inc-head-card .inc-head { flex-wrap: wrap; }
  #page-incidents .inc-chain { width: 100%; }
}