/* ===== 学情智能体 · 全局样式（重建版，与 WorkBuddy 原设计一致：蓝色系） ===== */
:root{
  --ink:#1e293b; --ink-2:#64748b; --ink-3:#94a3b8;
  --purple:#7d6aea; --purple-deep:#5b46c9; --purple-50:#f3f0ff;
  --line:#e5e0f5; --shadow:0 8px 24px rgba(125,106,234,.12);
  --warn:#d97706; --ok:#059669; --bg:#f8f7ff;
  --rec-bg:#fefce8; --rec-border:#fde047; --rec-text:#854d0e;
  --grad:linear-gradient(135deg,#d8ceff,#7d6aea);
  --radius:14px;
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%;margin:0!important;padding:0!important}
body{
  margin:0;padding:0;
  font-family:"Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  background:#fff;color:var(--ink);font-size:14px;line-height:1.6;
  -webkit-font-smoothing:antialiased;overflow:hidden;
}
button{font-family:inherit;background:none;border:none;cursor:pointer;color:inherit}
input,select{font-family:inherit;color:inherit}
svg{display:block}
::-webkit-scrollbar{width:6px;height:6px}
::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:3px}
::-webkit-scrollbar-track{background:transparent}

/* ===== 布局 ===== */
.app{display:flex;flex-direction:column;height:100vh;height:100dvh}
.stage{flex:1;min-height:0;position:relative}
.view{display:none;height:100%;overflow:hidden}
.view.active{display:block}
.page{height:100%;overflow-y:auto;padding:28px 40px;max-width:1440px;margin:0 auto}
.page-head h2{font-size:19px;font-weight:900;margin-bottom:6px}
.page-head p{font-size:13px;color:var(--ink-2);margin-bottom:12px}
.page-head .sub{font-size:13px;color:var(--ink-2)}
.empty-tip{font-size:12.5px;color:var(--ink-3);text-align:center;padding:30px 10px;line-height:1.8}

/* ===== 顶部导航 ===== */
.topbar{
  height:58px;flex-shrink:0;background:#fff;border-bottom:1px solid var(--line);
  display:flex;align-items:center;gap:14px;padding:0 18px;position:relative;z-index:30;
}
.hamb{display:flex;width:36px;height:36px;border-radius:10px;align-items:center;justify-content:center;color:var(--ink-2)}
.hamb:hover{background:var(--purple-50);color:var(--purple)}
.brand{display:flex;align-items:center;gap:7px;min-width:0}
.brand .logo{width:26px;height:26px}
.brand .portal{font-size:13.5px;font-weight:700;color:var(--ink);white-space:nowrap}
.brand .sep{color:var(--ink-3)}
.brand .cur{font-size:13.5px;font-weight:700;color:var(--purple);white-space:nowrap}
.brand .chip{
  font-size:10.5px;color:var(--purple-deep);background:var(--purple-50);
  border:1px solid var(--line);padding:1px 8px;border-radius:99px;font-weight:700;white-space:nowrap;
}
.tabs{display:flex;gap:4px;background:var(--purple-50);padding:4px;border-radius:11px;margin:0 auto}
.tabs button{
  padding:6px 16px;border-radius:8px;font-size:13px;color:var(--ink-2);font-weight:600;white-space:nowrap;
}
.tabs button.active{background:#fff;color:var(--purple);font-weight:700;box-shadow:0 1px 4px var(--shadow)}
/* mode toggle（对话区顶部工具条内） */
.mode-bar{display:flex;align-items:center;gap:10px;padding:6px 14px;border-bottom:1px solid var(--line);background:#fff;flex-shrink:0}
.mode-hint{font-size:11.5px;color:var(--ink-3);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.mode-toggle-btn{padding:3px;min-width:120px;cursor:pointer;border:1px solid var(--line);border-radius:16px;background:#fff}
.mode-toggle-btn .mode-track{display:block;width:100%;height:28px;background:#f3f4f6;border-radius:14px;position:relative;transition:background .25s}
.mode-toggle-btn .mode-slider{display:flex;align-items:center;justify-content:center;height:22px;padding:0 12px;border-radius:11px;background:var(--purple);color:#fff;font-size:11.5px;font-weight:600;position:absolute;top:3px;left:3px;transition:all .3s cubic-bezier(.4,0,.2,1);white-space:nowrap;box-shadow:0 1px 3px rgba(0,0,0,.15)}
.mode-toggle-btn.mode-b .mode-track{background:var(--purple-50)}
.mode-toggle-btn.mode-b .mode-slider{background:var(--purple);left:calc(100% - 78px)}
/* 模式B 纯聊天式排版：正文黑字，仅重点加粗，无色块无标签 */
.chat-p{margin:0 0 10px;font-size:13.5px;line-height:1.9;color:var(--ink)}
.chat-p b{font-weight:700}
.chat-meta{margin:0 0 10px;font-size:11px;color:#9ca3af;line-height:1.6}
.b-sec-title{margin:12px 0 4px;font-size:12.5px;font-weight:700;color:var(--ink-2)}
.b-obs{margin:0 0 8px;padding:7px 10px;background:#f9fafb;border-radius:8px;line-height:1.7}
.b-obs .fact{margin:0;font-size:13px;font-weight:600;color:var(--ink)}
/* 智能体思考中（等待态气泡） */
.think-head{display:flex;align-items:center;gap:8px;font-size:12.5px;font-weight:600;color:var(--ink-2)}
.think-spin{width:13px;height:13px;border:2px solid #c7d7fe;border-top-color:var(--purple);border-radius:50%;animation:tkspin .8s linear infinite;flex-shrink:0}
@keyframes tkspin{to{transform:rotate(360deg)}}
.think-dots{display:inline-flex;gap:3px;margin-left:2px}
.think-dots i{width:4px;height:4px;border-radius:50%;background:var(--purple);opacity:.35;animation:tkbounce 1.2s infinite}
.think-dots i:nth-child(2){animation-delay:.15s}
.think-dots i:nth-child(3){animation-delay:.3s}
@keyframes tkbounce{0%,60%,100%{transform:translateY(0);opacity:.35}30%{transform:translateY(-4px);opacity:1}}
.think-live{margin-top:8px;display:flex;flex-direction:column;gap:4px;min-height:18px}
.think-row{display:flex;align-items:center;gap:6px;font-size:11.5px;color:var(--ink-3);animation:tkin .25s ease both;line-height:1.5}
.think-row .tk-ico{width:5px;height:5px;border-radius:50%;background:#94a3b8;flex-shrink:0}
.think-row.probe .tk-ico{background:var(--purple)}
.think-row.write .tk-ico{background:#f59e0b}
.think-row.ok .tk-ico{background:#7d6aea}
.think-row.warn{color:#b45309}
.think-row.warn .tk-ico{background:#f59e0b}
.think-row:last-child{color:var(--ink-2);font-weight:600}
@keyframes tkin{from{opacity:0;transform:translateY(3px)}to{opacity:1;transform:none}}
/* 思考过程回看（最终卡片内可展开） */
details.b-trace{margin:8px 0 2px;border:1px dashed var(--line);border-radius:8px;padding:6px 10px;background:#fafafa}
details.b-trace summary{cursor:pointer;font-size:11.5px;font-weight:600;color:var(--ink-3);outline:none;user-select:none}
details.b-trace .tr-row{display:flex;align-items:flex-start;gap:6px;font-size:11.5px;color:var(--ink-3);margin-top:5px;line-height:1.6}
details.b-trace .tr-row .tr-ico{width:5px;height:5px;border-radius:50%;background:#cbd5e1;flex-shrink:0;margin-top:6px}
details.b-trace .tr-row.probe .tr-ico{background:var(--purple)}
details.b-trace .tr-row.warn .tr-ico{background:#f59e0b}
details.b-trace .tr-row.ok .tr-ico{background:#7d6aea}
.right{display:flex;align-items:center;gap:10px;flex-shrink:0}
.data-btn{
  display:none;align-items:center;gap:5px;font-size:12.5px;color:var(--ink-2);
  padding:6px 11px;border-radius:9px;border:1px solid var(--line);background:#fff;font-weight:600;
}
.data-btn:hover{color:var(--purple);border-color:var(--purple)}
.model-chip{display:flex;align-items:center;gap:4px;font-size:12px;color:var(--ink-2);background:var(--purple-50);padding:5px 10px;border-radius:99px;cursor:pointer;user-select:none}
.model-chip b{color:var(--purple)}
.model-chip .mm-caret{color:var(--purple);margin-left:2px}
/* 顶栏模型切换下拉（紫色系） */
.model-switch{position:relative}
.model-menu{display:none;position:absolute;top:calc(100% + 8px);right:0;z-index:80;min-width:240px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:0 12px 32px rgba(91,70,201,.18);padding:6px}
.mm-item{display:flex;align-items:center;gap:8px;padding:8px 10px;border-radius:8px;cursor:pointer;font-size:13px;color:var(--ink-2)}
.mm-item:hover{background:var(--purple-50)}
.mm-item.on{background:var(--purple-50)}
.mm-item.on .mm-name{color:var(--purple-deep)}
.mm-check{width:14px;flex-shrink:0;color:var(--purple);font-weight:700}
.mm-name{font-weight:600;color:var(--ink);font-size:13px}
.mm-sub{margin-left:auto;font-size:11px;color:var(--ink-3);padding-left:8px}
.mm-manage{border-top:1px solid var(--line);margin-top:5px;padding:9px 10px 6px;font-size:12px;color:var(--purple);cursor:pointer;text-align:center}
.mm-manage:hover{color:var(--purple-deep)}
/* 设置弹窗 · 模型列表行（紫色系） */
.model-list .model-row{border:1px solid var(--line);border-radius:10px;padding:10px;margin-bottom:8px;background:var(--purple-50)}
.model-list .model-row.current{border-color:var(--purple)}
.model-row .mr-head{display:flex;align-items:center;gap:8px;margin-bottom:6px}
.model-row .mr-enable{display:flex;align-items:center;gap:4px;font-size:12px;color:var(--ink-2);white-space:nowrap;cursor:pointer}
.model-row .mr-enable input{accent-color:var(--purple);margin:0}
.model-row .mr-name{flex:1;min-width:0}
.model-row .mr-cur{font-size:11px;color:#fff;background:var(--purple);border-radius:99px;padding:2px 8px;white-space:nowrap}
.model-row .mr-del{border:none;background:none;color:var(--ink-3);cursor:pointer;font-size:14px;padding:2px 4px;line-height:1}
.model-row .mr-del:hover{color:#dc2626}
.model-row input{width:100%;box-sizing:border-box;padding:7px 9px;border:1px solid var(--line);border-radius:8px;font-size:12.5px;margin-bottom:6px;background:#fff;color:var(--ink)}
.model-row input:last-child{margin-bottom:0}
.model-row input:focus{outline:none;border-color:var(--purple)}
.token-live{font-size:12px;color:var(--ink-2)}
.token-live b{color:var(--purple-deep)}
.gear{width:34px;height:34px;border-radius:9px;display:flex;align-items:center;justify-content:center;color:var(--ink-2)}
.gear:hover{background:var(--purple-50);color:var(--purple)}

/* ===== 对话区布局 ===== */
.chat-layout{display:flex;height:100%;position:relative}
.side{
  width:228px;flex-shrink:0;background:#fff;border-right:1px solid var(--line);
  display:flex;flex-direction:column;z-index:20;
}
.chat-layout.side-collapsed .side{display:none}
.side-inner{flex:1;overflow-y:auto;padding:14px 10px}
.new-btn{
  width:100%;display:flex;align-items:center;justify-content:center;gap:6px;
  background:var(--grad);color:#fff;font-size:13px;font-weight:700;
  padding:10px 0;border-radius:11px;margin-bottom:14px;box-shadow:0 4px 12px rgba(125,106,234,.28);
}
.new-btn:hover{filter:brightness(1.06)}
.sess-title{font-size:11.5px;color:var(--ink-3);font-weight:700;padding:0 6px;margin-bottom:6px}
#sessList{display:flex;flex-direction:column;gap:2px}
.sess-item{padding:9px 10px;border-radius:9px;font-size:12.5px;color:var(--ink-2);cursor:pointer;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.sess-item:hover{background:var(--purple-50);color:var(--ink)}
.sess-item.active{background:var(--purple-50);color:var(--purple);font-weight:700}

.main{flex:1;min-width:0;display:flex;flex-direction:column;position:relative;background:var(--bg)}
.msgs{flex:1;overflow-y:auto;padding:22px 6%;display:flex;flex-direction:column;gap:16px}

.chips{display:flex;gap:8px;padding:10px 6% 6px;flex-wrap:wrap}
.chips button{
  font-size:12px;color:var(--purple-deep);background:#fff;border:1px solid #e0d8ff;
  padding:6px 12px;border-radius:99px;font-weight:600;
}
.chips button:hover{background:var(--purple-50);border-color:var(--purple)}

.input-row{display:flex;align-items:center;gap:10px;padding:10px 6% 16px}
.chat-input{
  flex:1;height:46px;border:1px solid var(--line);border-radius:14px;background:#fff;
  padding:0 16px;font-size:13.5px;outline:none;box-shadow:0 2px 8px rgba(30,64,175,.05);
}
.chat-input:focus{border-color:var(--purple);box-shadow:0 0 0 3px rgba(125,106,234,.12)}
.mic-wrap{position:relative;width:42px;height:42px;flex-shrink:0;display:flex;align-items:center;justify-content:center}
.mic-ring{display:none}
.mic-btn{
  position:relative;z-index:2;
  width:38px;height:38px;border-radius:50%;background:var(--purple-50);
  color:var(--purple);display:flex;align-items:center;justify-content:center;
  transition:background .2s,color .2s,box-shadow .08s ease-out;
}
.mic-btn:hover{background:#e0d8ff}
.mic-wrap.recording .mic-btn{background:var(--purple);color:#fff}
.send-btn{
  width:46px;height:46px;border-radius:14px;background:var(--grad);color:#fff;
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
  box-shadow:0 4px 12px rgba(125,106,234,.3);
}
.send-btn:hover{filter:brightness(1.06)}

.panel{
  width:340px;flex-shrink:0;background:#fff;border-left:1px solid var(--line);
  overflow-y:auto;z-index:20;padding:16px;
}
#panelBody{display:flex;flex-direction:column;gap:14px}

/* ===== 数据面板卡片 ===== */
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:14px;box-shadow:0 2px 8px rgba(30,64,175,.04)}
.card h4{font-size:13.5px;font-weight:800;color:var(--ink);margin-bottom:10px;display:flex;align-items:center;gap:6px}
.card h4::before{content:"";width:4px;height:14px;border-radius:2px;background:var(--grad)}
.kpis{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.kpi{background:var(--purple-50);border-radius:10px;padding:9px 11px}
.kpi .k{font-size:10.5px;color:var(--ink-2)}
.kpi .v{font-size:16px;font-weight:900;color:var(--purple-deep);margin-top:1px}
.chart{width:100%;height:220px}
.chart.tall{height:250px}
.two{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.flat{border:none;box-shadow:none;background:transparent}
.dim-legend{display:flex;flex-wrap:wrap;gap:4px 10px;font-size:11px;color:var(--ink-3);margin-top:8px}
.dim-legend b{color:var(--ink-2);font-weight:600}

/* ===== 家校对比 ===== */
.section-grid{display:flex;flex-direction:column;gap:14px}
.cmp-card{border:1px solid var(--line);border-radius:var(--radius);background:#fff;padding:14px}
.cmp-card h5{font-size:13.5px;font-weight:800;margin-bottom:8px}
.cmp-card .note{font-size:11.5px;color:var(--ink-3);margin-bottom:8px}
.effect-card{background:#f0fdf4;border:1px solid #bbf7d0;border-radius:12px;padding:12px 14px}
.effect-card .concl{font-size:13px;color:#166534;line-height:1.7;font-weight:600}
.effect-card.warn{background:#fffbeb;border-color:#fde68a}
.effect-card.warn .concl{color:#92400e}
.hc-item{border:1px solid var(--line);border-radius:12px;background:#fff;padding:12px 14px;margin-bottom:10px}
.hc-item .hc-tm{font-size:11px;color:var(--ink-3);margin-bottom:4px}
.hc-item .hc-ic{font-size:13px;color:var(--ink);line-height:1.7;white-space:pre-wrap}
.hc-item .hc-c{font-size:11.5px;color:var(--ink-3);margin-top:6px}
.hc-item .clamp{overflow:hidden;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical}
.hc-item .r-more{font-size:11px;color:var(--purple);margin-top:4px;cursor:pointer}

/* ===== 热力图（Token用量 · ECharts 日历） ===== */
.hm-wrap{margin-top:16px}
.hm-title{font-size:12.5px;font-weight:700;color:var(--ink);margin-bottom:8px}
.heatmap{
  width:100%;height:auto;
  padding:0;background:transparent;border:none;border-radius:0;line-height:normal;
}
.hm-legend{display:flex;gap:10px;font-size:10.5px;color:var(--ink-3);margin-top:6px;align-items:center}
.hm-legend .scale i{display:inline-block;width:11px;height:11px;border-radius:2px}

/* ===== 对话消息 ===== */
.msg{display:flex;gap:10px;max-width:92%}
.msg.bot{align-self:flex-start}
.msg.user{align-self:flex-end;flex-direction:row-reverse}
.av{width:32px;height:32px;border-radius:50%;flex-shrink:0;display:flex;align-items:center;justify-content:center;font-weight:900;font-size:14px}
.msg.bot .av{background:var(--grad);color:#fff}
.msg.user .av{background:var(--grad);color:#fff}
.bub{padding:11px 14px;border-radius:14px;font-size:13.5px;line-height:1.75;max-width:100%;overflow-wrap:break-word}
.msg.bot .bub{background:#fff;border:1px solid var(--line);border-top-left-radius:4px;box-shadow:0 2px 8px rgba(30,64,175,.05)}
.msg.user .bub{background:var(--grad);color:#fff;border-top-right-radius:4px}
.bub .st{font-size:11px;color:var(--ink-3);margin-bottom:4px}
.msg.user .bub .st{color:#e0d8ff}
.bub .txt{white-space:pre-wrap}
.bub .c-t{margin-top:8px;font-size:12px;color:var(--ink-2)}
.msg.user .bub .c-t{color:#e0d8ff}
.bub .t{font-size:12.5px;font-weight:800;color:var(--ink);margin:10px 0 6px}
.bub .t:first-child{margin-top:2px}
.bub ul{margin:4px 0 4px 18px}
.bub li{margin:2px 0}
.bub .l{font-size:12.5px;color:var(--ink-2);margin:2px 0}
.bub .tag{display:inline-block;font-size:11px;color:var(--purple);background:var(--purple-50);border-radius:6px;padding:1px 7px;margin-right:6px;font-weight:700}
.bub .warn{color:#b45309;font-weight:600}
.bub .up{color:var(--ok);font-weight:600}
.bub .down{color:#dc2626;font-weight:600}
.sug{display:flex;gap:7px;flex-wrap:wrap;margin-top:8px}
.chips-btn{font-size:11.5px;color:var(--purple-deep);background:var(--purple-50);border:1px solid #e0d8ff;padding:4px 11px;border-radius:99px;font-weight:600}
.chips-btn:hover{background:#e0d8ff}
.agent-steps{display:flex;flex-direction:column;gap:5px;margin:6px 0}
.agent-steps .step{font-size:12px;color:var(--ink-2);display:flex;gap:6px;align-items:center}
.agent-steps .step .d{width:16px;height:16px;border-radius:50%;background:var(--purple-50);color:var(--purple);font-size:10px;font-weight:800;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.done{color:var(--purple)!important}
.empty-hint{font-size:12.5px;color:var(--ink-3);text-align:center;padding:60px 20px;line-height:2}

/* ===== 报告页学生列表 ===== */
.stu{display:flex;align-items:center;gap:12px;border:1px solid var(--line);border-radius:12px;background:#fff;padding:12px 14px;margin-bottom:8px;cursor:pointer}
.stu:hover{border-color:var(--purple);background:var(--purple-50)}
.stu-av{width:38px;height:38px;border-radius:50%;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:900;flex-shrink:0}
.stu-bd{flex:1;min-width:0}
.stu-n{font-size:13.5px;font-weight:700}
.stu-c{font-size:11.5px;color:var(--ink-3);margin-top:1px}
.save-btn{display:inline-flex;align-items:center;gap:5px;background:var(--grad);color:#fff;font-size:12.5px;font-weight:700;padding:7px 14px;border-radius:9px}
.save-btn:hover{filter:brightness(1.06)}

/* ===== 抽屉遮罩 / Toast ===== */
.mask{position:fixed;inset:0;background:rgba(15,23,42,.38);z-index:40;display:none}
.mask.show{display:block}
.toast{
  position:fixed;top:70px;left:50%;transform:translateX(-50%);z-index:120;
  background:rgba(30,41,59,.92);color:#fff;font-size:13px;padding:9px 18px;border-radius:99px;
  opacity:0;pointer-events:none;transition:opacity .25s;max-width:80%;text-align:center;
}
.toast.show{opacity:1}

/* ===== 按钮通用 ===== */
.btn-ghost{border:1px solid var(--line);background:#fff;color:var(--ink-2);padding:8px 16px;border-radius:10px;font-size:13px;font-weight:600}
.btn-ghost:hover{border-color:var(--purple);color:var(--purple)}
.btn-primary{background:var(--grad);color:#fff;padding:8px 16px;border-radius:10px;font-size:13px;font-weight:700;box-shadow:0 3px 10px rgba(125,106,234,.25)}
.btn-primary:hover{filter:brightness(1.06)}

/* ===== 设置弹窗 ===== */
.modal-mask{position:fixed;inset:0;background:rgba(15,23,42,.45);z-index:90;display:none;align-items:center;justify-content:center;padding:20px}
.modal-mask.show{display:flex}
.modal{background:#fff;border-radius:18px;box-shadow:var(--shadow);width:100%;max-width:480px;max-height:88vh;overflow-y:auto;padding:22px 24px}
.modal-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.modal-head h3{font-size:16px;font-weight:900}
.modal-head .x{width:30px;height:30px;border-radius:8px;display:flex;align-items:center;justify-content:center;color:var(--ink-2)}
.modal-head .x:hover{background:var(--purple-50);color:var(--purple)}
.modal-body{display:flex;flex-direction:column;gap:12px}
.switch{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink)}
.switch input{width:16px;height:16px;accent-color:var(--purple)}
.field{display:flex;flex-direction:column;gap:5px}
.field label{font-size:12px;font-weight:700;color:var(--ink-2)}
.field input{border:1px solid var(--line);border-radius:9px;padding:8px 11px;font-size:13px;outline:none;background:#fff}
.field input:focus{border-color:var(--purple);box-shadow:0 0 0 3px rgba(125,106,234,.12)}
.hint{font-size:11.5px;color:var(--ink-3);line-height:1.7;background:var(--purple-50);border-radius:9px;padding:9px 11px}
.modal-foot{display:flex;justify-content:flex-end;gap:10px;margin-top:18px}

/* ===== 移动端底部导航 ===== */
.dock{display:none;height:58px;background:#fff;border-top:1px solid var(--line);flex-shrink:0}
.dock button{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;font-size:10.5px;color:var(--ink-3)}
.dock button.active{color:var(--purple)}
.dock button svg{margin-bottom:1px}

/* ===== 后端未连接全屏提示 ===== */
.conn-mask{position:fixed;inset:0;z-index:100;background:rgba(243,247,255,.96);display:flex;align-items:center;justify-content:center;padding:20px}
.conn-box{background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow);padding:34px 38px;text-align:center;max-width:400px;width:100%}
.conn-ic{width:64px;height:64px;margin:0 auto 14px;border-radius:50%;background:var(--purple-50);color:var(--warn);display:flex;align-items:center;justify-content:center}
.conn-box h3{font-size:17px;font-weight:900;color:var(--ink);margin-bottom:8px}
.conn-box p{font-size:13px;color:var(--ink-2);line-height:1.7;margin-bottom:20px}
.conn-actions{display:flex;gap:10px;justify-content:center}

/* ===== 数据面板：范围切换 ===== */
.range-tabs{display:flex;gap:4px;background:var(--purple-50);padding:3px;border-radius:9px;margin-bottom:10px;flex-wrap:wrap}
.range-tabs button{flex:1;padding:5px 8px;border-radius:7px;font-size:12px;color:var(--ink-2);font-weight:500;white-space:nowrap}
.range-tabs button.active{background:#fff;color:var(--purple);font-weight:700;box-shadow:0 1px 3px rgba(125,106,234,.15)}
.range-note{font-size:11.5px;color:var(--ink-3);margin:6px 0 2px}

/* ===== 讲题记录分页列表 ===== */
.rec-list{display:flex;flex-direction:column;gap:8px}
.rec-item{border:1px solid var(--line);border-radius:10px;padding:10px 12px;background:#fff}
.rec-item .r-h{display:flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;color:var(--ink);cursor:pointer}
.rec-item .r-h:hover{color:var(--purple)}
.rec-item .r-d{font-size:11px;color:var(--ink-3);font-weight:400;margin-left:auto;white-space:nowrap}
.rec-item .r-scores{display:flex;flex-wrap:wrap;gap:4px 10px;margin-top:6px;font-size:11px;color:var(--ink-2)}
.rec-item .r-scores b{color:var(--purple);font-weight:700}
.rec-item .r-c{font-size:12px;color:var(--ink-2);line-height:1.6;margin-top:6px;overflow:hidden}
.rec-item .r-c.clamp{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.rec-item .r-more{font-size:11px;color:var(--purple);margin-top:4px;cursor:pointer;user-select:none}
.pager{display:flex;align-items:center;justify-content:center;gap:12px;margin-top:10px;font-size:12px;color:var(--ink-2)}
.pager button{width:30px;height:30px;border-radius:8px;border:1px solid var(--line);background:#fff;color:var(--purple);font-size:15px;font-weight:700;display:flex;align-items:center;justify-content:center}
.pager button:disabled{color:#cbd5e1;cursor:not-allowed}
.pager button:not(:disabled):hover{background:var(--purple-50)}

/* ===== 报告存档列表 ===== */
.rep-item{display:flex;align-items:center;gap:12px;border:1px solid var(--line);border-radius:12px;background:#fff;padding:12px 14px;margin-bottom:8px}
.rep-item .r-i{width:38px;height:38px;border-radius:10px;background:var(--purple-50);color:var(--purple);display:flex;align-items:center;justify-content:center;font-weight:900;font-size:16px;flex-shrink:0}
.rep-item .r-m{flex:1;min-width:0}
.rep-item .r-t{font-size:13.5px;font-weight:700;color:var(--ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.rep-item .r-s{font-size:11.5px;color:var(--ink-3);margin-top:2px}
.rep-item .ops{display:flex;gap:6px;flex-shrink:0}
.rep-item .ops button{padding:5px 10px;border-radius:8px;font-size:12px;border:1px solid var(--line);color:var(--ink-2)}
.rep-item .ops button:hover{border-color:var(--purple);color:var(--purple)}
.rep-item .ops button.del:hover{border-color:#dc2626;color:#dc2626;background:#fef2f2}

/* ===== Markdown 报告查看 ===== */
.md-view{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px 18px;font-size:13px;line-height:1.75;color:var(--ink);overflow:auto;max-height:62vh}
.md-view h1{font-size:18px;color:var(--purple-deep);margin-bottom:8px}
.md-view h2{font-size:15px;color:var(--ink);margin:14px 0 6px;padding-left:8px;border-left:3px solid var(--purple)}
.md-view p{margin:4px 0}
.md-view ul,.md-view ol{margin:4px 0 4px 20px}
.md-view table{border-collapse:collapse;width:100%;margin:8px 0;font-size:12px}
.md-view th,.md-view td{border:1px solid var(--line);padding:5px 8px;text-align:left}
.md-view th{background:var(--purple-50);color:var(--purple-deep);font-weight:700}
.md-view strong{color:var(--purple-deep)}
.md-view hr{border:none;border-top:1px dashed var(--line);margin:10px 0}

/* ===== Token 用量页 ===== */
.token-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:16px}
.token-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px}
.token-card .k{font-size:11.5px;color:var(--ink-3)}
.token-card .v{font-size:22px;font-weight:900;color:var(--purple-deep);margin-top:3px}
.trend-box{background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px}
.trend-box h4{font-size:13.5px;font-weight:800;margin-bottom:8px}

/* ===== 响应式 ===== */
@media (max-width:1100px){
  .side{position:fixed;top:58px;left:0;bottom:0;transform:translateX(-102%);transition:transform .26s;box-shadow:0 10px 30px rgba(15,23,42,.18)}
  .side.show{transform:translateX(0)}
  .panel{position:fixed;top:58px;right:0;bottom:0;transform:translateX(102%);transition:transform .26s;box-shadow:0 10px 30px rgba(15,23,42,.18)}
  .panel.show{transform:translateX(0)}
  .data-btn{display:flex}
  .msgs,.chips,.input-row{padding-left:4%;padding-right:4%}
}
@media (max-width:860px){
  .topbar{padding:0 10px;gap:8px}
  .hamb{display:flex}
  .brand .chip,.model-chip,.token-live{display:none}
  .tabs{margin:0 auto}
  .tabs button{padding:6px 11px;font-size:12px}
  .data-btn{padding:6px 8px}
  .dock{display:flex}
  .stage{height:calc(100% - 58px)}
  .view{height:100%}
  .page{padding:18px 16px}
  .msgs{padding:16px 12px}
  .chips{padding:8px 12px 4px}
  .input-row{padding:8px 12px 12px}
  .side,.panel{top:auto;bottom:58px;top:58px}
  .msg{max-width:96%}
  .kpis{grid-template-columns:1fr 1fr}
  .two{grid-template-columns:1fr}
  .token-cards{grid-template-columns:1fr 1fr}
  .rep-item{flex-wrap:wrap}
  .rep-item .ops{margin-left:auto}
  .brand .portal{font-size:12.5px}
  .brand .cur{font-size:12.5px}
}
@media (max-width:480px){
  .brand .sep,.brand .cur{display:none}
  .tabs{overflow-x:auto;max-width:52vw}
  .tabs button{flex-shrink:0}
  .conn-box{padding:26px 20px}
  .modal{padding:18px 16px}
  .chart{height:200px}
}

/* ===== 登录页面 ===== */
.login-screen{
  position:fixed;inset:0;z-index:200;
  display:flex;align-items:center;justify-content:center;
  background:var(--bg);
}
.login-screen.hidden{display:none}
.login-card{
  background:#fff;border-radius:20px;box-shadow:var(--shadow);
  width:380px;max-width:92vw;padding:40px 36px 32px;text-align:center;
}
.login-logo{margin-bottom:14px;display:flex;justify-content:center}
.login-title{font-size:22px;font-weight:900;color:var(--ink);margin-bottom:4px}
.login-subtitle{font-size:13px;color:var(--ink-3);margin-bottom:28px}
.login-field{text-align:left;margin-bottom:16px}
.login-field label{display:block;font-size:12px;font-weight:700;color:var(--ink-2);margin-bottom:6px}
.login-field input{
  width:100%;height:44px;border:1px solid var(--line);border-radius:11px;
  padding:0 14px;font-size:14px;outline:none;background:#fafbfc;
  box-sizing:border-box;transition:border-color .2s,box-shadow .2s;
}
.login-field input:focus{border-color:var(--purple);background:#fff;box-shadow:0 0 0 3px rgba(125,106,234,.10)}
.login-err{min-height:20px;font-size:12px;color:#dc2626;margin-bottom:4px;text-align:left}
.login-btn{
  width:100%;height:46px;border-radius:12px;background:var(--grad);color:#fff;
  font-size:15px;font-weight:700;border:none;cursor:pointer;margin-top:4px;
  box-shadow:0 4px 14px rgba(125,106,234,.30);transition:filter .15s;
}
.login-btn:hover{filter:brightness(1.05)}
.login-btn:active{filter:brightness(.96)}
.login-btn:disabled{opacity:.55;cursor:not-allowed;filter:none}
.login-hint{font-size:11px;color:var(--ink-3);margin-top:18px;line-height:1.5}

/* ===== 左下角用户头像栏 ===== */
.user-bar{
  position:relative;flex-shrink:0;z-index:35;
}
.user-avatar{
  display:flex;align-items:center;gap:8px;
  padding:4px 8px;border-radius:10px;cursor:pointer;
  color:var(--ink-2);font-family:inherit;transition:background .18s;
}
.user-avatar:hover{background:var(--purple-50)}
.user-av-text{
  width:30px;height:30px;border-radius:50%;background:var(--grad);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-weight:900;font-size:15px;flex-shrink:0;overflow:hidden;
}
.user-name{font-size:14px;font-weight:600;max-width:180px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.user-dropdown{
  position:absolute;top:100%;right:0;margin-top:8px;width:200px;z-index:60;
  background:#fff;border:1px solid var(--line);border-radius:14px;
  box-shadow:0 8px 28px rgba(30,64,175,.14);padding:10px;min-width:180px;
  display:none;opacity:0;transform:translateY(4px);transition:opacity .18s,transform .18s;
}
.user-dropdown.show{display:block;opacity:1;transform:translateY(0)}
.user-info-row{display:flex;align-items:center;gap:10px;padding:4px 2px}
.user-drop-name{font-size:13.5px;font-weight:700;color:var(--ink)}
.user-drop-role{font-size:11.5px;color:var(--ink-3);margin-top:1px}
.user-drop-line{height:1px;background:var(--line);margin:6px 0}
.user-drop-btn{
  display:flex;align-items:center;gap:7px;width:100%;
  padding:7px 10px;border-radius:9px;font-size:12.5px;color:var(--ink-2);
  font-weight:600;font-family:inherit;border:none;background:none;cursor:pointer;
}
.user-drop-btn:hover{background:var(--purple-50);color:var(--ink-2)}
#logoutBtn:hover{color:#dc2626}


/* ===== 连接测试区（设置弹窗） ===== */
.test-area { margin-top: 6px; display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.test-result { font-size: 13px; font-weight: 600; }
.test-result.ok { color: #16a34a; }
.test-result.bad { color: #dc2626; }
.test-detail { width: 100%; margin-top: 6px; padding: 8px 10px; background: #f6f7f9; border-radius: 8px; font-size: 12.5px; line-height: 1.9; color: #333; }
.test-detail div { word-break: break-all; }