/* AIPECO 化学品 · 聚乙二醇市场预测 — 样式（与 AIPECO 监控大屏同风格） */
:root{
  --bg:#050810; --card:rgba(16,26,50,.72); --card2:rgba(22,34,64,.55);
  --line:rgba(80,130,255,.22); --cyan:#4d9fff; --green:#36D399;
  --yellow:#F5A623; --red:#F5483B; --txt:#d8e4ff; --dim:#7d8db3;
}
*{margin:0;padding:0;box-sizing:border-box}
html,body{height:100%}
body{
  background:radial-gradient(1200px 600px at 70% -10%,rgba(22,93,255,.14),transparent),
             radial-gradient(900px 500px at 10% 110%,rgba(54,211,153,.08),transparent),var(--bg);
  color:var(--txt);font-family:"Microsoft YaHei","PingFang SC",system-ui,sans-serif;
  display:flex;flex-direction:column;overflow:hidden;
}
header{display:flex;align-items:center;gap:16px;padding:10px 22px;
  border-bottom:1px solid var(--line);background:rgba(8,14,30,.85);flex:none}
.logo{font-size:19px;font-weight:700;letter-spacing:1px;white-space:nowrap;
  background:linear-gradient(90deg,var(--cyan),var(--green));
  -webkit-background-clip:text;background-clip:text;color:transparent}
.logo small{font-size:11px;color:var(--dim);-webkit-text-fill-color:var(--dim);margin-left:8px;font-weight:400}
#tabs{display:flex;gap:4px;margin-left:18px}
.tab{background:transparent;border:1px solid transparent;color:var(--dim);
  padding:7px 14px;border-radius:8px;cursor:pointer;font-size:13px;white-space:nowrap}
.tab:hover{color:var(--txt);border-color:var(--line)}
.tab.active{color:#fff;background:linear-gradient(135deg,rgba(77,159,255,.25),rgba(54,211,153,.15));
  border-color:rgba(77,159,255,.5)}
.hd-right{margin-left:auto;display:flex;align-items:center;gap:10px;font-size:12px;color:var(--dim)}
#clock{font-family:Consolas,monospace;font-size:16px;color:var(--cyan)}
.dot{width:10px;height:10px;border-radius:50%;background:var(--dim);flex:none}
.dot.ok{background:var(--green);box-shadow:0 0 8px var(--green)}
.dot.bad{background:var(--red);box-shadow:0 0 8px var(--red)}

main{flex:1;overflow:auto;padding:14px;min-height:0}
.page{display:none;flex-direction:column;gap:12px}
.page.active{display:flex}
.panel{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px 16px;min-height:0}
.ptitle{font-size:14px;font-weight:700;margin-bottom:10px;display:flex;align-items:center;gap:10px}
.ptitle .sub{font-size:11px;color:var(--dim);font-weight:400}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media(max-width:1100px){.grid2{grid-template-columns:1fr}}

.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px}
.pcard{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px 16px}
.pcard .pname{font-size:12px;color:var(--dim)}
.pcard .pval{font-size:26px;font-weight:700;font-family:Consolas,monospace;margin:6px 0 2px}
.pcard .pval small{font-size:12px;color:var(--dim);font-weight:400;margin-left:4px}
.pcard .pchg{font-size:12px}
.up{color:var(--green)} .down{color:var(--red)} .flat{color:var(--dim)}
.pcard .pdate{font-size:11px;color:var(--dim);margin-top:2px}

.chart{width:100%;height:320px}
.chart.tall{height:420px}
.table-wrap{max-height:420px;overflow:auto}
table{width:100%;border-collapse:collapse;font-size:12.5px}
th,td{padding:7px 9px;text-align:left;border-bottom:1px solid rgba(80,130,255,.12);white-space:nowrap}
th{color:var(--dim);font-weight:600;position:sticky;top:0;background:rgba(10,18,38,.96);z-index:2}
tbody tr:hover{background:rgba(77,159,255,.07)}
td.num{font-family:Consolas,monospace}

.metrics{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:10px}
.metric{background:var(--card2);border-radius:10px;padding:10px 12px}
.metric .mk{font-size:11px;color:var(--dim)}
.metric .mv{font-size:19px;font-weight:700;font-family:Consolas,monospace;margin-top:3px}
.metric .mn{font-size:11px;color:var(--dim);margin-top:2px}

.advice-card .badge{display:inline-block;padding:4px 12px;border-radius:20px;font-size:15px;font-weight:700;margin:6px 0}
.badge.buy{background:rgba(54,211,153,.18);color:var(--green);border:1px solid rgba(54,211,153,.5)}
.badge.sell{background:rgba(245,166,35,.15);color:var(--yellow);border:1px solid rgba(245,166,35,.5)}
.badge.hold{background:rgba(77,159,255,.15);color:var(--cyan);border:1px solid rgba(77,159,255,.5)}
.advice-item{font-size:13px;line-height:1.9;color:var(--txt)}
.advice-item .k{color:var(--dim);font-size:12px}

.score-bar{height:14px;background:rgba(255,255,255,.07);border-radius:7px;overflow:hidden;margin-top:6px}
.score-bar i{display:block;height:100%;border-radius:7px;
  background:linear-gradient(90deg,var(--red),var(--yellow),var(--green));transition:width .8s}
.notes{font-size:13px;line-height:2;color:var(--txt)}
.notes .k{color:var(--cyan)}
.ai-brief{font-size:13.5px;line-height:2;white-space:pre-wrap;color:var(--txt);max-height:480px;overflow:auto}
.btn{background:var(--card2);border:1px solid var(--line);color:var(--txt);
  padding:7px 15px;border-radius:8px;cursor:pointer;font-size:13px}
.btn:hover{border-color:var(--cyan)}
.btn.primary{background:linear-gradient(135deg,rgba(77,159,255,.35),rgba(54,211,153,.25));
  border-color:rgba(77,159,255,.6);font-weight:600}
.btn.mini{padding:3px 10px;font-size:11px;margin-left:auto}
.btn:disabled{opacity:.5;cursor:not-allowed}

/* ===== AI 助手 ===== */
.assistant{height:100%}
.chat-panel{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);
  border-radius:12px;height:calc(100vh - 190px);min-height:420px;overflow:hidden}
.chat-head{display:flex;align-items:center;gap:10px;padding:12px 16px;border-bottom:1px solid var(--line);
  background:rgba(8,14,30,.6);flex:none}
.chat-head .sub{font-size:11px;color:var(--dim)}
.voice-hint{margin-left:auto;font-size:11px;color:var(--yellow)}
.chat-body{flex:1;overflow:auto;padding:16px;display:flex;flex-direction:column;gap:12px}
.msg{display:flex}
.msg.user{justify-content:flex-end}
.bubble{max-width:78%;padding:10px 14px;border-radius:12px;font-size:13.5px;line-height:1.85;
  white-space:pre-wrap;word-break:break-word}
.msg.bot .bubble{background:var(--card2);border:1px solid var(--line);border-bottom-left-radius:3px}
.msg.user .bubble{background:linear-gradient(135deg,rgba(77,159,255,.3),rgba(54,211,153,.2));
  border:1px solid rgba(77,159,255,.4);border-bottom-right-radius:3px}
.bubble img{max-width:260px;border-radius:8px;margin-top:6px;display:block}
.bubble .think{color:var(--dim);font-size:12px}
.chat-input{display:flex;gap:8px;padding:10px 14px;border-top:1px solid var(--line);
  background:rgba(8,14,30,.6);align-items:flex-end;flex:none}
.chat-input textarea{flex:1;background:var(--card2);border:1px solid var(--line);border-radius:10px;
  color:var(--txt);padding:10px 12px;font-size:13.5px;resize:none;max-height:120px;outline:none;
  font-family:inherit}
.chat-input textarea:focus{border-color:var(--cyan)}
.tools{display:flex;gap:4px;flex:none}
.tool{background:transparent;border:1px solid transparent;border-radius:8px;padding:7px 9px;cursor:pointer;
  font-size:17px;line-height:1;color:var(--txt)}
.tool:hover{border-color:var(--line);background:var(--card2)}
.tool.recording{background:rgba(245,72,59,.25);border-color:var(--red);animation:pl 1s infinite}
@keyframes pl{50%{opacity:.5}}
footer{display:flex;gap:22px;padding:7px 22px;font-size:11px;color:var(--dim);
  border-top:1px solid var(--line);background:rgba(8,14,30,.85);flex:none}
footer span:last-child{margin-left:auto}
.spin{display:inline-block;width:13px;height:13px;border:2px solid var(--line);border-top-color:var(--cyan);
  border-radius:50%;animation:sp 1s linear infinite;vertical-align:-2px;margin-right:6px}
@keyframes sp{to{transform:rotate(360deg)}}
.tag{font-size:10px;padding:2px 7px;border-radius:9px;border:1px solid var(--line);color:var(--dim);margin-left:4px}
.tag.src{color:var(--cyan);border-color:rgba(77,159,255,.4)}
.tag.est{color:var(--yellow);border-color:rgba(245,166,35,.4)}
.tool svg{display:block;pointer-events:none}
.tool{display:flex;align-items:center;justify-content:center}

.sprint-bar{display:flex;align-items:center;gap:18px;flex-wrap:wrap;
  background:linear-gradient(90deg,rgba(54,211,153,.12),rgba(77,159,255,.10));
  border:1px solid rgba(54,211,153,.4);border-radius:10px;padding:9px 16px;
  font-size:12.5px;color:var(--txt)}
.sprint-bar .sb-tag{background:rgba(54,211,153,.25);color:var(--green);
  border:1px solid rgba(54,211,153,.6);border-radius:12px;padding:2px 10px;font-weight:700}
.sprint-bar b{color:var(--green);font-family:Consolas,monospace}

/* 快捷提问按钮 */
.quick-ask{display:flex;flex-wrap:wrap;gap:8px;padding:4px 0}
.qa{background:var(--card2);border:1px solid var(--line);color:var(--txt);
  border-radius:16px;padding:7px 14px;font-size:12.5px;cursor:pointer}
.qa:hover{border-color:var(--cyan);background:rgba(77,159,255,.12)}

/* ============ 移动端响应式适配 ============ */
@media (max-width: 900px) {
  header{padding:8px 12px;gap:8px;flex-wrap:wrap}
  .logo{font-size:15px;white-space:normal;line-height:1.3;flex:1;min-width:0}
  .logo small{font-size:10px;margin-left:4px}
  #tabs{order:3;width:100%;overflow-x:auto;flex-wrap:nowrap;-webkit-overflow-scrolling:touch;
        margin-left:0;padding-bottom:4px;gap:2px}
  .tab{padding:6px 12px;font-size:12.5px;flex:none}
  .hd-right{margin-left:auto;gap:6px;font-size:11px}
  #clock{font-size:13px}
  main{padding:8px;gap:8px}
  .page{gap:8px}
  .panel{padding:10px 12px;border-radius:10px}
  .ptitle{font-size:13px;flex-wrap:wrap;gap:6px}
  .ptitle .sub{font-size:10.5px}
  .cards{grid-template-columns:repeat(2,1fr);gap:8px}
  .pcard{padding:10px 12px;border-radius:10px}
  .pcard .pname{font-size:11px}
  .pcard .pval{font-size:20px;margin:4px 0 2px}
  .pcard .pchg{font-size:11px;line-height:1.6}
  .grid2{grid-template-columns:1fr;gap:8px}
  .chart{height:230px}
  .chart.tall{height:300px}
  .table-wrap{max-height:320px;overflow:auto;-webkit-overflow-scrolling:touch}
  .metrics{grid-template-columns:repeat(2,1fr);gap:6px}
  .metric{padding:8px 10px}
  .metric .mv{font-size:16px}
  .metric .mk,.metric .mn{font-size:10px}
  .advice-item{font-size:12.5px;line-height:1.8}
  .ai-brief{font-size:12.5px;line-height:1.8;max-height:360px}
  /* 聊天界面 */
  .chat-panel{height:calc(100vh - 168px);min-height:360px;border-radius:10px}
  .chat-head{padding:9px 12px;gap:6px;flex-wrap:wrap}
  .chat-head .sub{display:none}
  .chat-head b{font-size:14px}
  .voice-hint{font-size:10.5px;margin-left:0;width:100%}
  .chat-body{padding:10px;gap:8px}
  .bubble{max-width:90%;padding:9px 12px;font-size:13px;border-radius:10px}
  .quick-ask{gap:6px;overflow-x:auto;flex-wrap:nowrap;-webkit-overflow-scrolling:touch;padding-bottom:4px}
  .qa{padding:7px 12px;font-size:12px;flex:none;white-space:nowrap}
  .chat-input{padding:8px;gap:6px;flex-wrap:wrap}
  .tools{gap:2px}
  .tool{padding:6px 7px;font-size:15px}
  .chat-input textarea{min-width:0;padding:8px 10px;font-size:13px}
  .btn.primary{padding:8px 14px;font-size:12.5px}
  /* 页脚 */
  footer{flex-wrap:wrap;gap:4px 12px;padding:6px 12px;font-size:10px;line-height:1.6}
  footer span:last-child{margin-left:0}
  .sprint-bar{gap:6px 12px;font-size:11.5px;padding:7px 10px;border-radius:8px}
  .sprint-bar .sb-tag{padding:1px 8px}
}
@media (max-width: 480px) {
  .cards{grid-template-columns:1fr}
  .pcard .pval{font-size:22px}
  table{font-size:11px}
  th,td{padding:5px 6px}
  .chat-panel{height:calc(100vh - 190px)}
  .logo{font-size:14px}
}

/* ===== ztb 修正：暗色主题链接可见性 ===== */
a{color:#4d9fff;text-decoration:none}
a:hover{color:#7ab8ff;text-decoration:underline}
tbody tr:hover a{color:#7ab8ff}