:root {
  --navy: #1f4e79;
  --navy-lt: #2d6fa8;
  --bg: #f4f6f9;
  --card: #ffffff;
  --line: #e3e8ef;
  --text: #1f2733;
  --text-2: #5a6474;
  --text-3: #8d97a5;
  --blue: #2f7fd1;
  --blue-lt: #d6e4f0;
  --blue-pale: #f0f6fc;
  --green: #17a673;
  --red: #d9463e;
  --amber: #e8a33d;
  --purple: #7b4bc9;
  --radius: 10px;
  --shadow: 0 1px 3px rgba(31, 78, 121, .07), 0 6px 20px rgba(31, 78, 121, .05);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ---------- 布局 ---------- */

.app { display: flex; min-height: 100vh; }

.sidebar {
  width: 216px;
  flex-shrink: 0;
  background: #fff;
  border-right: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
}

.brand {
  padding: 18px 20px 14px;
  border-bottom: 1px solid var(--line);
}
.brand-logo {
  display: flex; align-items: center; gap: 9px;
  font-size: 14.5px; font-weight: 700; color: var(--navy);
  letter-spacing: -.2px; white-space: nowrap;
}
.brand-mark {
  width: 26px; height: 26px; border-radius: 7px;
  background: linear-gradient(135deg, var(--navy), var(--blue));
  color: #fff; display: grid; place-items: center;
  font-size: 13px; font-weight: 700;
}
.brand-sub { font-size: 11px; color: var(--text-3); margin-top: 4px; padding-left: 35px; }

.nav { flex: 1; padding: 12px 10px; overflow-y: auto; }
.nav-group { margin-bottom: 6px; }
.nav-label {
  font-size: 11px; color: var(--text-3); padding: 8px 10px 5px;
  letter-spacing: .5px;
}
.nav-item {
  display: flex; align-items: center; gap: 9px;
  padding: 8px 10px; border-radius: 7px;
  color: var(--text-2); cursor: pointer;
  font-size: 13.5px; transition: background .15s, color .15s;
  user-select: none;
}
.nav-item:hover { background: var(--blue-pale); color: var(--navy); }
.nav-item.active { background: var(--blue-lt); color: var(--navy); font-weight: 600; }
.nav-item .ico { width: 16px; text-align: center; font-size: 14px; }
.nav-item .badge {
  margin-left: auto; background: var(--red); color: #fff;
  font-size: 10px; padding: 0 5px; border-radius: 8px; line-height: 16px;
}

.nav-foot {
  padding: 12px 14px; border-top: 1px solid var(--line);
  font-size: 11px; color: var(--text-3);
}

.main { flex: 1; min-width: 0; display: flex; flex-direction: column; }

.topbar {
  height: 54px; background: #fff; border-bottom: 1px solid var(--line);
  display: flex; align-items: center; gap: 14px; padding: 0 22px;
  position: sticky; top: 0; z-index: 20;
}
.topbar h1 { font-size: 16px; margin: 0; font-weight: 600; }
.topbar .spacer { flex: 1; }

.data-stamp {
  font-size: 11.5px; color: var(--text-3);
  background: var(--bg); padding: 3px 9px; border-radius: 5px;
}

.bell { position: relative; cursor: pointer; font-size: 16px; padding: 4px; }
.bell .dot {
  position: absolute; top: 0; right: 0;
  background: var(--red); color: #fff; font-size: 9px;
  min-width: 14px; height: 14px; border-radius: 7px;
  display: grid; place-items: center; padding: 0 3px;
}

/* 角色切换 */
.role-switch { display: flex; align-items: center; gap: 8px; cursor: pointer; position: relative; }
.avatar {
  width: 30px; height: 30px; border-radius: 50%;
  display: grid; place-items: center; color: #fff;
  font-size: 13px; font-weight: 600; flex-shrink: 0;
}
.role-meta { line-height: 1.25; }
.role-meta b { font-size: 13px; display: block; font-weight: 600; }
.role-meta span { font-size: 11px; color: var(--text-3); }
.role-caret { color: var(--text-3); font-size: 10px; }

.role-menu {
  position: absolute; top: 42px; right: 0; width: 268px;
  background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 6px; z-index: 60; display: none;
}
.role-menu.open { display: block; }
.role-menu .hint {
  font-size: 11px; color: var(--text-3); padding: 6px 10px 8px;
  border-bottom: 1px solid var(--line); margin-bottom: 4px;
}
.role-opt {
  display: flex; gap: 10px; align-items: center;
  padding: 8px 10px; border-radius: 7px; cursor: pointer;
}
.role-opt:hover { background: var(--blue-pale); }
.role-opt.active { background: var(--blue-lt); }
.role-opt-txt { line-height: 1.3; min-width: 0; }
.role-opt-txt b { font-size: 13px; font-weight: 600; }
.role-opt-txt span { font-size: 11px; color: var(--text-3); display: block; }

.content { padding: 20px 22px 40px; flex: 1; }
.view { display: none; }
.view.active { display: block; }

/* ---------- 卡片 ---------- */

.card {
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); box-shadow: var(--shadow);
}
.card-hd {
  display: flex; align-items: center; gap: 8px;
  padding: 12px 16px; border-bottom: 1px solid var(--line);
  font-weight: 600; font-size: 14px;
}
.card-hd .spacer { flex: 1; }
.card-bd { padding: 16px; }

.seg { display: flex; gap: 2px; background: var(--bg); padding: 2px; border-radius: 6px; }
.seg button {
  border: 0; background: transparent; font-size: 12px; padding: 4px 11px;
  border-radius: 5px; cursor: pointer; color: var(--text-2);
  font-family: inherit;
}
.seg button.on { background: #fff; color: var(--navy); font-weight: 600; box-shadow: 0 1px 2px rgba(0,0,0,.06); }

/* ---------- KPI ---------- */

.kpis { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 14px; }
.kpi {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 14px 16px; box-shadow: var(--shadow);
}
.kpi-label { font-size: 12px; color: var(--text-2); }
.kpi-value { font-size: 25px; font-weight: 700; margin-top: 4px; letter-spacing: -.5px; }
.kpi-delta { font-size: 12px; margin-top: 3px; }
.up { color: var(--green); }
.down { color: var(--red); }
.kpi-sub { font-size: 11px; color: var(--text-3); margin-top: 3px; }

/* ---------- 图表 ---------- */

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; align-items: start; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 14px; align-items: start; }
@media (max-width: 1180px) {
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .kpis { grid-template-columns: repeat(2, 1fr); }
}

.chart-title { font-size: 13px; font-weight: 600; margin-bottom: 12px; color: var(--text); }
.chart { width: 100%; }
.chart svg { display: block; width: 100%; overflow: visible; }

.bar-rect { fill: var(--blue); transition: fill .15s; }
.bar-rect.dim { fill: #a9cdec; }
.bar-rect:hover { fill: var(--navy); }
.axis-txt { font-size: 10px; fill: var(--text-3); }
.val-txt { font-size: 9.5px; fill: var(--text-2); }
.grid-line { stroke: #eef1f5; stroke-width: 1; }
.line-path { fill: none; stroke: var(--blue); stroke-width: 2.2; }
.line-area { fill: url(#lineGrad); }
.line-dot { fill: #fff; stroke: var(--blue); stroke-width: 2; }

/* 横向条 */
.hbar-row { display: flex; align-items: center; gap: 10px; margin-bottom: 9px; font-size: 12.5px; }
.hbar-label { width: 96px; flex-shrink: 0; color: var(--text-2); text-align: right; }
.hbar-track { flex: 1; height: 16px; background: #f1f4f8; border-radius: 4px; overflow: hidden; display: block; }
.hbar-fill { display: block; height: 100%; border-radius: 4px; transition: width .5s cubic-bezier(.2,.8,.2,1); }
.hbar-val { width: 60px; text-align: right; font-variant-numeric: tabular-nums; color: var(--text); }

/* 饼图图例 */
.pie-wrap { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.pie-wrap svg { flex: 0 0 184px; width: 184px; height: 184px; }
.legend { font-size: 12.5px; }
.legend-item { display: flex; align-items: center; gap: 7px; margin-bottom: 6px; }
.legend-dot { width: 9px; height: 9px; border-radius: 2px; flex-shrink: 0; }
.legend-name { color: var(--text-2); min-width: 76px; }
.legend-val { font-weight: 600; font-variant-numeric: tabular-nums; }

/* ---------- 表格 ---------- */

table { width: 100%; border-collapse: collapse; font-size: 13px; }
th {
  text-align: left; font-weight: 600; color: var(--text-2);
  background: #f7f9fc; padding: 9px 12px;
  border-bottom: 1px solid var(--line); font-size: 12.5px;
  white-space: nowrap;
}
td { padding: 9px 12px; border-bottom: 1px solid #f0f3f7; }
tbody tr:last-child td { border-bottom: 0; }
tbody tr:hover { background: #fafcfe; }
.num { text-align: right; font-variant-numeric: tabular-nums; }
.tone-good { color: var(--green); font-weight: 600; }
.tone-warn { color: var(--amber); font-weight: 600; }
.tone-bad { color: var(--red); font-weight: 600; }

.rank-list { }
.rank-row {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 0; border-bottom: 1px solid #f2f5f9; font-size: 13px;
}
.rank-row:last-child { border-bottom: 0; }
.rank-no {
  width: 18px; height: 18px; border-radius: 4px; flex-shrink: 0;
  display: grid; place-items: center; font-size: 11px; font-weight: 600;
  background: #eef2f7; color: var(--text-2);
}
.rank-no.top { background: var(--navy); color: #fff; }
.rank-name { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.rank-val { font-weight: 600; font-variant-numeric: tabular-nums; }
.rank-sub { font-size: 11px; color: var(--text-3); margin-left: 6px; }

/* ---------- 问答 ---------- */

.qa-wrap { display: flex; flex-direction: column; height: calc(100vh - 95px); }

.chips { display: flex; gap: 7px; flex-wrap: wrap; padding: 0 0 12px; }
.chip {
  background: #fff; border: 1px solid var(--line); border-radius: 15px;
  padding: 5px 13px; font-size: 12.5px; cursor: pointer; color: var(--text-2);
  transition: all .15s; white-space: nowrap;
}
.chip:hover { border-color: var(--blue); color: var(--blue); background: var(--blue-pale); }

.stream {
  flex: 1; overflow-y: auto; padding: 4px 2px 10px;
  display: flex; flex-direction: column; gap: 16px;
}

.msg { display: flex; gap: 10px; max-width: 100%; }
.msg-ava {
  width: 28px; height: 28px; border-radius: 50%; flex-shrink: 0;
  display: grid; place-items: center; font-size: 13px;
}
.msg.user .msg-ava { background: #e8eef5; }
.msg.ai .msg-ava { background: linear-gradient(135deg, var(--navy), var(--blue)); color: #fff; font-size: 12px; }
.msg-body { min-width: 0; flex: 1; }

.bubble-user {
  background: #fff; border: 1px solid var(--line); border-radius: 4px 10px 10px 10px;
  padding: 9px 14px; display: inline-block; font-size: 14px;
  box-shadow: var(--shadow); max-width: 82%;
}

.answer { }
.answer > * + * { margin-top: 12px; }
.ans-text { font-size: 14px; }

.ans-kpis { display: flex; gap: 10px; flex-wrap: wrap; }
.ans-kpi {
  background: var(--blue-pale); border: 1px solid #dce9f5;
  border-radius: 8px; padding: 10px 16px; min-width: 132px;
}
.ans-kpi .k { font-size: 11.5px; color: var(--text-2); }
.ans-kpi .v { font-size: 21px; font-weight: 700; color: var(--navy); letter-spacing: -.4px; }
.ans-kpi .d { font-size: 11.5px; }

.ans-card {
  background: #fff; border: 1px solid var(--line);
  border-radius: 9px; padding: 14px; box-shadow: var(--shadow);
}

.insight {
  background: #fffbf0; border: 1px solid #f5e6c8; border-left: 3px solid var(--amber);
  border-radius: 6px; padding: 10px 13px; font-size: 13px; color: #6b5729;
}
.insight::before { content: "💡 AI 建议："; font-weight: 600; }

.source-note { font-size: 11.5px; color: var(--text-3); }

.ans-acts { display: flex; gap: 8px; flex-wrap: wrap; }
.btn {
  background: #fff; border: 1px solid var(--line); border-radius: 6px;
  padding: 5px 12px; font-size: 12.5px; cursor: pointer; color: var(--text-2);
  font-family: inherit; display: inline-flex; align-items: center; gap: 5px;
  transition: all .15s;
}
.btn:hover { border-color: var(--blue); color: var(--blue); }
.btn-primary { background: var(--blue); border-color: var(--blue); color: #fff; }
.btn-primary:hover { background: var(--navy); border-color: var(--navy); color: #fff; }

.composer {
  display: flex; gap: 9px; padding: 12px 0 0; border-top: 1px solid var(--line);
  align-items: flex-end; background: var(--bg);
}
.composer textarea {
  flex: 1; border: 1px solid var(--line); border-radius: 8px;
  padding: 10px 13px; font-size: 14px; font-family: inherit;
  resize: none; height: 42px; max-height: 110px; line-height: 1.5;
  background: #fff; color: var(--text);
}
.composer textarea:focus { outline: 0; border-color: var(--blue); box-shadow: 0 0 0 3px rgba(47,127,209,.1); }
.composer .btn-send {
  background: var(--blue); color: #fff; border: 0; border-radius: 8px;
  padding: 0 20px; height: 42px; font-size: 14px; cursor: pointer;
  font-family: inherit; font-weight: 500; flex-shrink: 0;
}
.composer .btn-send:hover { background: var(--navy); }
.composer .btn-send:disabled { opacity: .5; cursor: default; }

/* 思考过程 */
.thinking { font-size: 13px; color: var(--text-2); }
.think-step { display: flex; align-items: center; gap: 8px; padding: 3px 0; opacity: 0; animation: fadeUp .3s forwards; }
.think-step .tick { color: var(--green); font-size: 12px; }
.think-step .spin {
  width: 11px; height: 11px; border: 2px solid #d8e3ef; border-top-color: var(--blue);
  border-radius: 50%; animation: spin .7s linear infinite;
}
.think-step code {
  background: #f2f5f9; padding: 1px 6px; border-radius: 4px;
  font-size: 11.5px; color: var(--navy); font-family: ui-monospace, Menlo, monospace;
}
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes fadeUp { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }

.slot-tags { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 2px; }
.slot-tag {
  background: #eef4fa; color: var(--navy); font-size: 11px;
  padding: 1px 8px; border-radius: 4px; border: 1px solid #dbe7f3;
}

/* ---------- 预警 ---------- */

.alert-item {
  border: 1px solid var(--line); border-radius: 9px; overflow: hidden;
  background: #fff; margin-bottom: 12px;
}
.alert-hd {
  display: flex; align-items: center; gap: 9px;
  padding: 9px 13px; font-size: 13.5px; font-weight: 600;
}
.alert-urgent .alert-hd { background: #fdf0ef; color: #a5322c; }
.alert-warn .alert-hd { background: #fdf8ec; color: #8a6420; }
.alert-info .alert-hd { background: #eff5fc; color: #2a5a86; }
.lv-tag {
  font-size: 10.5px; padding: 1px 7px; border-radius: 4px; color: #fff; font-weight: 600;
}
.alert-urgent .lv-tag { background: var(--red); }
.alert-warn .lv-tag { background: var(--amber); }
.alert-info .lv-tag { background: var(--blue); }
.alert-time { margin-left: auto; font-size: 11.5px; font-weight: 400; opacity: .75; }
.alert-bd { padding: 11px 13px; font-size: 13px; }
.alert-detail { color: var(--text-2); }
.alert-advice {
  background: #f2faf6; border-left: 3px solid var(--green);
  padding: 8px 11px; border-radius: 5px; margin-top: 9px;
  font-size: 12.5px; color: #24614a;
}
.alert-advice::before { content: "🤖 AI 建议："; font-weight: 600; }
.alert-acts { display: flex; gap: 7px; margin-top: 11px; }

.alert-mini {
  display: flex; gap: 8px; align-items: flex-start; padding: 8px 0;
  border-bottom: 1px solid #f2f5f9; font-size: 12.5px;
}
.alert-mini:last-child { border-bottom: 0; }
.alert-mini .lv-dot { width: 7px; height: 7px; border-radius: 50%; margin-top: 6px; flex-shrink: 0; }
.alert-mini.alert-urgent .lv-dot { background: var(--red); }
.alert-mini.alert-warn .lv-dot { background: var(--amber); }
.alert-mini.alert-info .lv-dot { background: var(--blue); }

/* ---------- 报告 ---------- */

.report {
  background: #fff; border: 1px solid var(--line); border-radius: 9px;
  overflow: hidden; box-shadow: var(--shadow);
}
.report-hd {
  background: linear-gradient(135deg, var(--navy), var(--blue-lt) 260%);
  background: var(--navy);
  color: #fff; padding: 11px 16px; font-size: 14.5px; font-weight: 600;
  display: flex; align-items: center; gap: 8px;
}
.report-bd { padding: 14px 18px; }
.report-sec { margin-bottom: 14px; }
.report-sec:last-child { margin-bottom: 0; }
.report-sec h4 {
  margin: 0 0 6px; font-size: 13.5px; color: var(--navy);
  font-weight: 600;
}
.report-sec ul { margin: 0; padding-left: 18px; }
.report-sec li { font-size: 13px; margin-bottom: 3px; color: var(--text-2); }

/* ---------- 图表生成器 ---------- */

.builder-step { margin-bottom: 16px; }
.builder-step > label {
  font-size: 12.5px; font-weight: 600; color: var(--navy);
  display: block; margin-bottom: 8px;
}
.field-row { display: flex; align-items: center; gap: 10px; margin-bottom: 9px; flex-wrap: wrap; }
.field-row > span { font-size: 12.5px; color: var(--text-2); width: 62px; flex-shrink: 0; }
select {
  border: 1px solid var(--line); border-radius: 6px; padding: 5px 9px;
  font-size: 12.5px; font-family: inherit; background: #fff; color: var(--text);
  min-width: 128px;
}
select:focus { outline: 0; border-color: var(--blue); }

.pill-group { display: flex; gap: 6px; flex-wrap: wrap; }
.pill {
  border: 1px solid var(--line); background: #fff; border-radius: 5px;
  padding: 4px 11px; font-size: 12.5px; cursor: pointer; color: var(--text-2);
  font-family: inherit;
}
.pill.on { background: var(--blue); border-color: var(--blue); color: #fff; font-weight: 500; }

.ctype-group { display: flex; gap: 9px; flex-wrap: wrap; }
.ctype {
  width: 74px; padding: 11px 0; border: 1px solid var(--line); border-radius: 8px;
  background: #fff; cursor: pointer; text-align: center; font-size: 11.5px;
  color: var(--text-2); font-family: inherit; transition: all .15s;
}
.ctype:hover { border-color: var(--blue); }
.ctype.on { border-color: var(--blue); background: var(--blue-pale); color: var(--navy); font-weight: 600; }
.ctype .ci { font-size: 19px; display: block; margin-bottom: 3px; }

/* ---------- 数据源 / 历史 ---------- */

.st-tag { font-size: 11.5px; font-weight: 600; padding: 1px 8px; border-radius: 4px; }
.st-ok { background: #e7f7f0; color: var(--green); }
.st-delay { background: #fdf3e3; color: #b57a1c; }
.st-pending { background: #f0f2f5; color: var(--text-3); }

.hist-day { font-size: 12.5px; font-weight: 600; color: var(--text-2); margin: 14px 0 6px; }
.hist-day:first-child { margin-top: 0; }
.hist-row {
  display: flex; align-items: center; gap: 12px; padding: 8px 12px;
  border: 1px solid var(--line); border-radius: 7px; margin-bottom: 6px;
  font-size: 13px; background: #fff; cursor: pointer; transition: all .15s;
}
.hist-row:hover { border-color: var(--blue); background: var(--blue-pale); }
.hist-time { color: var(--text-3); font-size: 12px; flex-shrink: 0; font-variant-numeric: tabular-nums; }
.hist-q { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.hist-act { font-size: 12px; color: var(--blue); flex-shrink: 0; }

.freq-tag { font-size: 11.5px; padding: 1px 8px; border-radius: 4px; }
.freq-auto { background: #eaf3fc; color: var(--blue); }
.freq-manual { background: #f0f2f5; color: var(--text-3); }

/* ---------- 场景演示 ---------- */

.scene-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(268px, 1fr)); gap: 13px; }
.scene {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 15px 16px; box-shadow: var(--shadow); cursor: pointer;
  transition: all .18s; position: relative; overflow: hidden;
}
.scene:hover { border-color: var(--blue); transform: translateY(-2px); box-shadow: 0 6px 22px rgba(31,78,121,.11); }
.scene-no {
  font-size: 11px; color: var(--blue); font-weight: 600;
  background: var(--blue-pale); display: inline-block;
  padding: 1px 8px; border-radius: 4px; margin-bottom: 8px;
}
.scene h3 { margin: 0 0 5px; font-size: 14.5px; font-weight: 600; }
.scene p { margin: 0 0 11px; font-size: 12.5px; color: var(--text-2); line-height: 1.55; }
.scene-role {
  display: flex; align-items: center; gap: 7px; font-size: 12px;
  color: var(--text-2); padding-top: 10px; border-top: 1px solid #f2f5f9;
}
.scene-role .avatar { width: 22px; height: 22px; font-size: 11px; }
.scene-go { margin-left: auto; color: var(--blue); font-weight: 600; }

.banner {
  background: linear-gradient(100deg, #1f4e79, #2d6fa8);
  color: #fff; border-radius: var(--radius); padding: 17px 20px;
  margin-bottom: 16px; display: flex; align-items: center; gap: 16px;
}
.banner h2 { margin: 0 0 3px; font-size: 17px; font-weight: 600; }
.banner p { margin: 0; font-size: 12.5px; opacity: .85; }
.banner .spacer { flex: 1; }
.banner-stat { text-align: center; padding: 0 14px; }
.banner-stat b { font-size: 20px; display: block; font-weight: 700; }
.banner-stat span { font-size: 11px; opacity: .8; }

.demo-tip {
  background: #fff; border: 1px dashed #c9d8e8; border-radius: 8px;
  padding: 10px 14px; font-size: 12.5px; color: var(--text-2);
  margin-bottom: 14px;
}
.demo-tip b { color: var(--navy); }

.perm-note {
  background: var(--blue-pale); border: 1px solid #dbe7f3; border-radius: 7px;
  padding: 9px 13px; font-size: 12.5px; color: var(--navy); margin-bottom: 14px;
}

.empty { text-align: center; padding: 48px 20px; color: var(--text-3); font-size: 13px; }
.empty .big { font-size: 34px; margin-bottom: 10px; opacity: .5; }