:root{
  --bg:#070B14;
  --panel:#0D1324;
  --panel2:#0B1020;
  --text:#E9EEFF;
  --muted:#A8B3D6;
  --line:rgba(255,255,255,.08);
  --green:#2EE59D;
  --red:#FF5C7C;
  --blue:#56A4FF;
  --shadow: 0 16px 40px rgba(0,0,0,.35);
  --radius:16px;
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "PingFang SC","Noto Sans CJK SC", "Microsoft YaHei", sans-serif;
  background: radial-gradient(1200px 600px at 30% 0%, rgba(86,164,255,.20), transparent 55%),
              radial-gradient(900px 600px at 80% 15%, rgba(46,229,157,.16), transparent 55%),
              var(--bg);
  color:var(--text);
}

a{color:inherit;text-decoration:none}
.right{text-align:right}
.mono{font-family:var(--mono)}
pre{margin:0}

.topbar{
  position:sticky; top:0;
  z-index:10;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:14px 18px;
  border-bottom:1px solid var(--line);
  background: rgba(7,11,20,.72);
  backdrop-filter: blur(10px);
}

.brand{display:flex;gap:12px;align-items:center}
.logo{
  width:40px;height:40px;border-radius:12px;
  display:grid;place-items:center;
  background: linear-gradient(135deg, rgba(86,164,255,.95), rgba(46,229,157,.85));
  box-shadow: var(--shadow);
  color:#04101b;
  font-weight:900;
}
.brand-name{font-weight:800;letter-spacing:.3px}
.brand-sub{font-size:12px;color:var(--muted);margin-top:2px}

.nav{display:flex;gap:14px;align-items:center}
.nav a{
  padding:8px 10px;
  border-radius:10px;
  color:var(--muted);
}
.nav a.active, .nav a:hover{
  color:var(--text);
  background: rgba(255,255,255,.06);
}

.actions{display:flex;gap:10px;align-items:center}

.btn{
  border:1px solid var(--line);
  background: rgba(255,255,255,.04);
  color:var(--text);
  padding:9px 12px;
  border-radius:12px;
  cursor:pointer;
}
.btn:hover{background: rgba(255,255,255,.07)}
.btn.primary{
  border: none;
  background: linear-gradient(135deg, rgba(86,164,255,.95), rgba(46,229,157,.85));
  color:#04101b;
  font-weight:800;
}
.btn.ghost{
  background: transparent;
}
.btn.big{
  width:100%;
  padding:12px 14px;
  border-radius:14px;
  font-size:15px;
}

.layout{
  max-width:1200px;
  margin:18px auto 24px;
  padding:0 14px;
  display:grid;
  grid-template-columns: 320px 1fr 320px;
  gap:14px;
}

.panel{
  background: rgba(13,19,36,.78);
  border:1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow:hidden;
}

.panel-title{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:12px 12px;
  border-bottom:1px solid var(--line);
  color:var(--text);
  font-weight:700;
}

.search{
  width: 170px;
  padding:8px 10px;
  border-radius:12px;
  border:1px solid var(--line);
  background: rgba(0,0,0,.18);
  color: var(--text);
  outline:none;
}

.table{padding:8px}
.tr{
  display:grid;
  grid-template-columns: 1.2fr 1fr .8fr;
  gap:10px;
  padding:10px 10px;
  border-radius:12px;
}
.tr.head{
  color:var(--muted);
  font-size:12px;
  padding-top:6px;
}
.row{
  cursor:pointer;
  border:1px solid transparent;
}
.row:hover{
  border-color: rgba(255,255,255,.10);
  background: rgba(255,255,255,.05);
}
.pair{
  font-weight:800;
}
.sub{
  display:block;
  font-size:12px;
  color:var(--muted);
  margin-top:2px;
}
.chg.pos{color:var(--green);font-weight:800}
.chg.neg{color:var(--red);font-weight:800}
.priceCell{font-family:var(--mono);font-weight:800}

.center{display:flex;flex-direction:column;gap:14px}
.hero{
  display:grid;
  grid-template-columns: 1fr 360px;
  gap:14px;
}
.hero-left{
  background: rgba(13,19,36,.78);
  border:1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding:16px;
}
.pair{font-size:18px}
.price{
  margin-top:10px;
  font-size:40px;
  font-weight:900;
  letter-spacing:.4px;
  font-family:var(--mono);
}
.meta{
  display:flex;flex-wrap:wrap;gap:8px;
  margin-top:10px;
}
.chip{
  border:1px solid var(--line);
  background: rgba(255,255,255,.04);
  color: var(--muted);
  padding:6px 10px;
  border-radius: 999px;
  font-size:12px;
}
.chip b{color:var(--text)}
.chip.pos{color:var(--green)}
.chip.neg{color:var(--red)}

.api{
  background: rgba(13,19,36,.78);
  border:1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding:14px;
}
.api-title{font-weight:800;margin-bottom:10px}
.api-row{
  display:flex;justify-content:space-between;gap:10px;
  color:var(--muted);
  font-size:12px;
  margin-bottom:8px;
}
.status{
  padding:4px 8px;
  border-radius:999px;
  font-weight:800;
  border:1px solid var(--line);
}
.status.loading{color:var(--muted)}
.status.ok{color:var(--green)}
.status.err{color:var(--red)}
.pre{
  margin-top:10px;
  border:1px solid var(--line);
  background: rgba(0,0,0,.20);
  border-radius: 12px;
  padding:10px;
  min-height:74px;
  color: var(--text);
  font-family: var(--mono);
  font-size:12px;
  overflow:auto;
}

.chart{
  background: rgba(13,19,36,.78);
  border:1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow:hidden;
}
.chart-top{
  display:flex;justify-content:space-between;align-items:center;
  padding:12px 12px;
  border-bottom:1px solid var(--line);
}
.tabs{display:flex;gap:8px}
.tab{
  padding:7px 10px;
  border-radius:12px;
  border:1px solid var(--line);
  background: rgba(255,255,255,.04);
  color: var(--muted);
  cursor:pointer;
}
.tab.active, .tab:hover{
  color:var(--text);
  background: rgba(255,255,255,.07);
}
.hint{color:var(--muted);font-size:12px}
.chart-box{
  height: 360px;
  position:relative;
  background: radial-gradient(900px 500px at 30% 30%, rgba(86,164,255,.10), transparent 60%),
              radial-gradient(900px 500px at 80% 40%, rgba(46,229,157,.08), transparent 60%),
              rgba(0,0,0,.18);
}
.gridline{
  position:absolute;left:0;right:0;height:1px;
  background: rgba(255,255,255,.06);
}
.gridline:nth-child(1){top:25%}
.gridline:nth-child(2){top:50%}
.gridline:nth-child(3){top:75%}
.chart-watermark{
  position:absolute;right:14px;bottom:12px;
  font-weight:900;
  letter-spacing:6px;
  color: rgba(255,255,255,.08);
}

.badge{
  font-size:12px;
  color: var(--muted);
  border:1px solid var(--line);
  padding:4px 8px;
  border-radius:999px;
}

.order{padding:12px}
.seg{display:flex;gap:8px;margin-bottom:12px}
.seg-btn{
  flex:1;
  padding:10px 12px;
  border-radius:14px;
  border:1px solid var(--line);
  background: rgba(255,255,255,.04);
  color: var(--muted);
  cursor:pointer;
}
.seg-btn.active{color:var(--text);background: rgba(255,255,255,.08)}
.field{display:block;margin-bottom:10px}
.field span{display:block;color:var(--muted);font-size:12px;margin-bottom:6px}
.input{
  width:100%;
  padding:10px 12px;
  border-radius:14px;
  border:1px solid var(--line);
  background: rgba(0,0,0,.18);
  color: var(--text);
  outline:none;
  font-family: var(--mono);
}
.tips{
  margin-top:10px;
  color: var(--muted);
  font-size:12px;
  line-height:1.5;
}

.footer{
  max-width:1200px;
  margin:0 auto 24px;
  padding:0 14px;
  color: var(--muted);
  display:flex;
  gap:10px;
  align-items:center;
  justify-content:center;
}
.dot{opacity:.5}

/* 小屏适配 */
@media (max-width: 1100px){
  .layout{grid-template-columns: 1fr; }
  .hero{grid-template-columns: 1fr;}
}


/* ===== Desktop polish for exchange layout (append) ===== */

/* 让整体宽屏更稳：避免某些字体/缩放导致栅格挤爆 */
.layout{
  grid-template-columns: minmax(280px, 320px) minmax(520px, 1fr) minmax(280px, 320px);
  align-items: start;
}

/* 左侧市场列表固定高度，可滚动，防止内容把页面撑乱 */
.panel .table{
  padding: 8px;
}
#markets{
  max-height: 520px;
  overflow: auto;
  padding-right: 4px;
}
#markets::-webkit-scrollbar{ width: 10px; }
#markets::-webkit-scrollbar-thumb{
  background: rgba(255,255,255,.10);
  border-radius: 999px;
}
#markets::-webkit-scrollbar-track{
  background: rgba(255,255,255,.03);
  border-radius: 999px;
}

/* 行高和对齐更像交易所 */
.tr{
  align-items: center;
}
.priceCell{
  letter-spacing: .2px;
}

/* 中间区块：让 hero 和 chart 在桌面更紧凑 */
.hero{
  grid-template-columns: 1fr 340px;
}
.hero-left{
  padding: 18px;
}
.chart-box{
  height: 420px; /* 桌面多给一点高度 */
}

/* 右侧下单卡：输入框和按钮更统一 */
.order{
  padding: 14px;
}
.input{
  font-size: 14px;
}
.seg-btn{
  font-weight: 700;
}
.tips{
  margin-top: 12px;
}

/* 桌面端更明显的间距 */
@media (min-width: 1100px){
  .layout{ gap: 16px; }
  .panel-title{ padding: 12px 14px; }
}

/* 小屏继续单列（你原本已有，这里加一个更保险的断点） */
@media (max-width: 980px){
  .layout{ grid-template-columns: 1fr; }
  .hero{ grid-template-columns: 1fr; }
}