:root {
  --bg: #0d101c; --panel: #161a2b; --panel2: #1d2338; --line: #2a3150;
  --text: #e8eaf2; --muted: #8b93b0; --accent: #4f7cff; --accent2: #7ea0ff;
  --pos: #2fd08b; --neg: #ff5c7a; --neu: #f6b94b;
  --crit: #ff4d5e; --high: #ff8a3d; --med: #f6b94b; --low: #2fd08b;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: -apple-system, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
  background: var(--bg); color: var(--text); font-size: 14px;
}
.layout { display: flex; min-height: 100vh; }

/* 侧边栏 */
.sidebar {
  width: 216px; background: var(--panel); border-right: 1px solid var(--line);
  display: flex; flex-direction: column; position: sticky; top: 0; height: 100vh;
}
.logo { display: flex; gap: 10px; align-items: center; padding: 20px 18px; border-bottom: 1px solid var(--line); }
.logo-icon { font-size: 26px; }
.logo b { display: block; font-size: 15px; }
.logo small { color: var(--muted); font-size: 11px; }
nav { padding: 12px 10px; display: flex; flex-direction: column; gap: 2px; flex: 1; }
.nav-item {
  display: flex; align-items: center; gap: 10px; padding: 10px 12px; border: none; border-radius: 8px;
  background: transparent; color: var(--muted); font-size: 14px; cursor: pointer; text-align: left;
  transition: all .15s; width: 100%;
}
.nav-item:hover { background: var(--panel2); color: var(--text); }
.nav-item.active { background: linear-gradient(90deg, rgba(79,124,255,.25), rgba(79,124,255,.08)); color: #fff; }
.nav-item span { width: 20px; text-align: center; }
.badge {
  margin-left: auto; background: var(--crit); color: #fff; font-style: normal; font-size: 11px;
  border-radius: 10px; padding: 1px 7px;
}
.sidebar-foot { padding: 14px 18px; border-top: 1px solid var(--line); display: flex; gap: 10px; align-items: center; }
.sidebar-foot b { display: block; font-size: 12px; }
.sidebar-foot small { color: var(--muted); font-size: 11px; }
.llm-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--neu); flex-shrink: 0; }
.llm-dot.on { background: var(--pos); box-shadow: 0 0 8px var(--pos); }

/* 主区域 */
.main { flex: 1; padding: 20px 24px 40px; max-width: 1440px; }
.topbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 18px; }
.topbar h1 { font-size: 20px; }
.topbar-right { display: flex; align-items: center; gap: 14px; }
.clock { color: var(--muted); font-variant-numeric: tabular-nums; }
.view { display: none; }
.view.active { display: block; animation: fade .2s; }
@keyframes fade { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; } }

/* 卡片/面板 */
.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-bottom: 14px; }
.stat-card { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 16px 18px; }
.stat-label { color: var(--muted); font-size: 12px; margin-bottom: 8px; }
.stat-value { font-size: 28px; font-weight: 700; font-variant-numeric: tabular-nums; }
.stat-value.neg { color: var(--neg); }
.stat-value.alert { color: var(--crit); }
.stat-sub { color: var(--muted); font-size: 12px; margin-top: 6px; }
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 16px; margin-bottom: 14px; }
.panel-title { color: var(--muted); font-size: 13px; margin-bottom: 10px; }
.panel-title-row { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; }
.panel-title-row h3 { font-size: 17px; }
.chart-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-bottom: 14px; }
.chart-grid.cols-3 { grid-template-columns: 1fr 1fr 1fr; }
.chart { height: 250px; }
#chart-wordcloud { height: 250px; }

/* 按钮/输入 */
.btn {
  border: 1px solid var(--line); background: var(--panel2); color: var(--text);
  padding: 8px 14px; border-radius: 8px; cursor: pointer; font-size: 13px; transition: all .15s;
}
.btn:hover { border-color: var(--accent); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.primary:hover { background: var(--accent2); }
.btn.ghost { background: transparent; }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.input {
  background: var(--bg); border: 1px solid var(--line); color: var(--text);
  padding: 8px 12px; border-radius: 8px; font-size: 13px; outline: none;
}
.input:focus { border-color: var(--accent); }
.filter-bar { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 12px; }
.action-row { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 14px; }

/* 表格 */
.table { width: 100%; border-collapse: collapse; }
.table th { text-align: left; color: var(--muted); font-size: 12px; font-weight: 500; padding: 8px 10px; border-bottom: 1px solid var(--line); }
.table td { padding: 10px; border-bottom: 1px solid var(--line); font-size: 13px; }
.table tr:hover td { background: rgba(79,124,255,.06); }
.t-title { cursor: pointer; max-width: 420px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.t-title:hover { color: var(--accent2); }
.empty { text-align: center; color: var(--muted); padding: 30px 0 !important; }

/* 徽章 */
.tag { display: inline-block; padding: 2px 9px; border-radius: 20px; font-size: 12px; white-space: nowrap; }
.tag.pos { background: rgba(47,208,139,.15); color: var(--pos); }
.tag.neg { background: rgba(255,92,122,.15); color: var(--neg); }
.tag.neu { background: rgba(246,185,75,.15); color: var(--neu); }
.tag.risk-low { background: rgba(47,208,139,.15); color: var(--low); }
.tag.risk-medium { background: rgba(246,185,75,.15); color: var(--med); }
.tag.risk-high { background: rgba(255,138,61,.15); color: var(--high); }
.tag.risk-critical { background: rgba(255,77,94,.18); color: var(--crit); }
.tag.src { background: rgba(126,160,255,.12); color: var(--accent2); }
.tag.plain { background: var(--panel2); color: var(--muted); }
.badge-row { display: flex; gap: 8px; margin-bottom: 12px; flex-wrap: wrap; }

/* 列表 */
.list { display: flex; flex-direction: column; }
.list-item { padding: 9px 4px; border-bottom: 1px solid var(--line); font-size: 13px; }
.list-item:last-child { border-bottom: none; }
.list-item .l-title { cursor: pointer; }
.list-item .l-title:hover { color: var(--accent2); }
.list-item .l-sub { color: var(--muted); font-size: 12px; margin-top: 3px; display: flex; gap: 10px; flex-wrap: wrap; }
.l-num { font-weight: 700; margin-right: 6px; font-variant-numeric: tabular-nums; }

/* 话题卡片 */
.topic-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-bottom: 14px; }
.topic-card { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 16px; cursor: pointer; transition: all .15s; }
.topic-card:hover { border-color: var(--accent); transform: translateY(-2px); }
.topic-card h4 { font-size: 15px; margin-bottom: 8px; }
.topic-card p { color: var(--muted); font-size: 12.5px; line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; margin-bottom: 10px; }
.topic-kws { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 10px; }
.topic-kws .kw { background: var(--panel2); border-radius: 6px; padding: 2px 8px; font-size: 11.5px; color: var(--accent2); }
.topic-meta { display: flex; gap: 12px; color: var(--muted); font-size: 12px; flex-wrap: wrap; }
.topic-summary { color: var(--muted); line-height: 1.7; margin-bottom: 12px; }
.mini-stats { display: flex; gap: 18px; margin-bottom: 14px; flex-wrap: wrap; }
.mini-stats .ms b { display: block; font-size: 18px; }
.mini-stats .ms span { color: var(--muted); font-size: 12px; }
.kp-item { background: var(--panel2); border-radius: 8px; padding: 8px 12px; margin-bottom: 6px; font-size: 13px; }

/* 聊天 */
.chat-panel { display: flex; flex-direction: column; height: calc(100vh - 140px); }
.chat-box { flex: 1; overflow-y: auto; padding: 8px 4px; display: flex; flex-direction: column; gap: 12px; }
.msg { max-width: 78%; padding: 10px 14px; border-radius: 12px; line-height: 1.65; white-space: pre-wrap; font-size: 13.5px; }
.msg.user { align-self: flex-end; background: var(--accent); color: #fff; border-bottom-right-radius: 4px; }
.msg.assistant { align-self: flex-start; background: var(--panel2); border-bottom-left-radius: 4px; }
.chat-suggests { display: flex; gap: 8px; flex-wrap: wrap; padding: 10px 0; }
.suggest { background: var(--panel2); border: 1px solid var(--line); border-radius: 16px; padding: 5px 12px; font-size: 12px; cursor: pointer; color: var(--muted); }
.suggest:hover { color: var(--text); border-color: var(--accent); }
.chat-input-row { display: flex; gap: 8px; padding-top: 10px; border-top: 1px solid var(--line); }
.chat-input-row .input { flex: 1; }

/* 采集 */
.collector-card { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 16px; }
.collector-card h4 { display: flex; justify-content: space-between; align-items: center; font-size: 14px; margin-bottom: 8px; }
.collector-card p { color: var(--muted); font-size: 12.5px; line-height: 1.6; min-height: 40px; }
.collector-foot { display: flex; justify-content: space-between; align-items: center; margin-top: 10px; font-size: 12px; color: var(--muted); }
.switch { position: relative; width: 38px; height: 20px; border-radius: 10px; background: var(--line); border: none; cursor: pointer; transition: background .2s; }
.switch::after { content: ""; position: absolute; top: 2px; left: 2px; width: 16px; height: 16px; border-radius: 50%; background: #fff; transition: left .2s; }
.switch.on { background: var(--accent); }
.switch.on::after { left: 20px; }
.import-row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.social-search-controls { display: grid; grid-template-columns: minmax(220px, 1fr) 150px 150px auto; gap: 10px; align-items: center; }
.social-search-toolbar { display: flex; align-items: center; gap: 14px; margin: 12px 0 8px; min-height: 34px; }
.social-search-toolbar .hint { flex: 1; }
.social-search-results { display: flex; flex-direction: column; gap: 8px; }
.social-result-row { display: grid; grid-template-columns: 24px 90px minmax(220px, 1fr) 120px 80px 130px 90px; gap: 10px; align-items: center; padding: 10px 12px; background: var(--panel2); border-radius: 8px; font-size: 12.5px; }
.social-result-title { min-width: 0; }
.social-result-title b { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.social-result-title span { color: var(--muted); display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; margin-top: 3px; }
.social-platform-badge { display: inline-block; text-align: center; padding: 3px 8px; border-radius: 10px; color: #fff; background: var(--accent); }
@media (max-width: 900px) {
  .social-search-controls { grid-template-columns: 1fr 1fr; }
  .social-result-row { grid-template-columns: 24px 72px minmax(160px, 1fr) 70px 80px; }
  .social-result-author, .social-result-time { display: none; }
}
.hint { color: var(--muted); font-size: 12px; }
.status-ok { color: var(--pos); } .status-failed { color: var(--crit); }
.status-blocked { color: var(--high); } .status-skipped { color: var(--muted); }

/* 设置 */
.settings-panel h3 { margin: 18px 0 10px; font-size: 14px; }
.settings-panel h3:first-child { margin-top: 0; }
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 10px; font-size: 12.5px; color: var(--muted); }
.field-row { display: flex; gap: 14px; }
.field-row .field { flex: 1; }
.checkbox-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.checkbox-item { display: flex; align-items: center; gap: 8px; background: var(--panel2); border-radius: 8px; padding: 8px 12px; font-size: 13px; }

/* 登录页 */
.login-wrap { display: flex; align-items: center; justify-content: center; min-height: 80vh; }
.login-card {
  background: var(--panel); border: 1px solid var(--line); border-radius: 16px;
  padding: 30px 34px; width: 360px; display: flex; flex-direction: column; gap: 12px;
}
.login-card h3 { text-align: center; font-size: 16px; }
.login-card .hint { text-align: center; }
body.login-mode .sidebar, body.login-mode .topbar { display: none; }
body.login-mode .main { max-width: 100%; }

/* 限定关键词横幅 */
.kw-banner {
  background: linear-gradient(90deg, rgba(255,138,61,.18), rgba(255,77,94,.12));
  border: 1px solid rgba(255,138,61,.45); border-radius: 10px;
  padding: 10px 16px; margin-bottom: 14px; font-size: 13px; color: #ffd9a8;
}
.kw-banner b { color: #fff; }

/* 跳转链接 */
.jump-link {
  display: inline-flex; align-items: center; gap: 3px;
  color: var(--accent2); text-decoration: none; font-size: 12px;
  padding: 3px 9px; border: 1px solid var(--line); border-radius: 6px;
  transition: all .15s; white-space: nowrap;
}
.jump-link:hover { border-color: var(--accent); color: #fff; background: rgba(79,124,255,.15); }

/* 弹窗 */
.modal-mask { position: fixed; inset: 0; background: rgba(0,0,0,.6); display: flex; align-items: center; justify-content: center; z-index: 100; }
.modal { background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 20px 22px; width: 640px; max-width: 92vw; max-height: 84vh; overflow-y: auto; }
.post-content { color: var(--text); line-height: 1.8; margin-bottom: 14px; }
.meta-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-bottom: 14px; }
.meta-grid .m { color: var(--muted); font-size: 12.5px; }
.meta-grid .m b { color: var(--text); font-weight: 500; }
.hidden { display: none !important; }

/* 分页 */
.pager { display: flex; justify-content: flex-end; align-items: center; gap: 10px; padding-top: 12px; }
#pager-info { color: var(--muted); font-size: 12.5px; margin-right: auto; }

@media (max-width: 1100px) {
  .stat-grid { grid-template-columns: 1fr 1fr; }
  .chart-grid, .chart-grid.cols-3, .topic-grid { grid-template-columns: 1fr; }
  .sidebar { width: 64px; }
  .sidebar .logo div, .nav-item:not(.active) { font-size: 0; }
  .nav-item span { font-size: 20px; }
  .sidebar-foot div { display: none; }
}