:root{--bg:#0f141b;--panel:#161d27;--panel2:#1d2633;--line:#2a3544;--fg:#dde4ee;--muted:#8a97a8;--acc:#3d8bfd;--ok:#2fbf71;--warn:#e0a526;--bad:#e5534b;--mono:ui-monospace,SFMono-Regular,Consolas,monospace}
*{box-sizing:border-box}html,body{margin:0;height:100%}
body{background:var(--bg);color:var(--fg);font:14px/1.5 system-ui,-apple-system,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif}
.hidden{display:none!important}
a{color:var(--acc);text-decoration:none}a:hover{text-decoration:underline}
h1,h2,h3{margin:0 0 12px;font-weight:600}h2{font-size:18px}h3{font-size:15px}
.muted{color:var(--muted)}.err{color:var(--bad);min-height:1em}.mono{font-family:var(--mono)}
.shell{display:flex;min-height:100vh}
.side{width:200px;background:var(--panel);border-right:1px solid var(--line);display:flex;flex-direction:column;position:sticky;top:0;height:100vh}
.brand{font-weight:700;font-size:18px;padding:16px}
nav a{display:block;padding:9px 16px;color:var(--fg)}nav a:hover{background:var(--panel2);text-decoration:none}
nav a.on{background:var(--panel2);border-left:3px solid var(--acc);padding-left:13px}
.side-foot{margin-top:auto;padding:12px 16px;border-top:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;gap:8px}
main{flex:1;padding:20px 24px;min-width:0}
.card{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:16px;margin-bottom:16px}
.row{display:flex;gap:12px;flex-wrap:wrap;align-items:center}.grow{flex:1}
.head{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px;gap:12px;flex-wrap:wrap}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin-bottom:16px}
.stat{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:12px}.stat b{display:block;font-size:22px}
.btn{background:var(--panel2);color:var(--fg);border:1px solid var(--line);border-radius:6px;padding:6px 12px;cursor:pointer;font:inherit}
.btn:hover{border-color:var(--acc)}.btn.primary{background:var(--acc);border-color:var(--acc);color:#fff}
.btn.danger{color:var(--bad)}.btn.small{padding:2px 8px;font-size:12px}.btn.ghost{background:none}
.btn:disabled{opacity:.5;cursor:default}
input,select,textarea{background:var(--bg);color:var(--fg);border:1px solid var(--line);border-radius:6px;padding:6px 8px;font:inherit;width:100%}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--acc)}
input[type=checkbox]{width:auto}
label{display:block;color:var(--muted);font-size:12px}label>input,label>select,label>textarea{margin-top:3px;font-size:14px}
.form{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:10px 14px}
.form .full{grid-column:1/-1}.check{display:flex;gap:6px;align-items:center;color:var(--fg);font-size:14px}
table{width:100%;border-collapse:collapse}th,td{padding:6px 8px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap}
th{color:var(--muted);font-weight:500;font-size:12px;position:sticky;top:0;background:var(--panel)}
td.num,th.num{text-align:right;font-family:var(--mono)}tr.click{cursor:pointer}tr.click:hover td{background:var(--panel2)}
.scroll{overflow:auto;max-height:70vh}
.tag{display:inline-block;padding:0 7px;border-radius:10px;font-size:12px;background:var(--panel2);border:1px solid var(--line)}
.tag.ok{color:var(--ok);border-color:#2fbf7155}.tag.warn{color:var(--warn);border-color:#e0a52655}.tag.bad{color:var(--bad);border-color:#e5534b55}
.cn{display:inline-block;min-width:34px;text-align:center;border-radius:4px;font-family:var(--mono);font-size:12px;padding:1px 3px;color:#0b0f14}
.cn0{background:#e5534b}.cn1{background:#e0a526}.cn2{background:#b8cc3a}.cn3{background:#2fbf71}.cn-{background:transparent;color:var(--muted)}
.tabs{display:flex;gap:4px;margin-bottom:12px;flex-wrap:wrap}.tabs .btn.on{border-color:var(--acc);color:var(--acc)}
.chart{width:100%;height:180px;display:block;background:var(--bg);border:1px solid var(--line);border-radius:6px}
.grid2{display:grid;grid-template-columns:repeat(auto-fit,minmax(420px,1fr));gap:16px}
.login{min-height:100vh;display:flex;align-items:center;justify-content:center}
.login-card{width:340px}.login-card label{margin-bottom:10px}.login-card .btn{width:100%;margin-top:6px}
.modal{position:fixed;inset:0;background:#0009;display:flex;align-items:flex-start;justify-content:center;padding:6vh 16px;overflow:auto;z-index:10}
.modal-card{width:min(720px,100%)}.modal-foot{display:flex;justify-content:flex-end;gap:8px;margin-top:14px}
.toast{position:fixed;right:20px;bottom:20px;background:var(--panel2);border:1px solid var(--line);padding:10px 14px;border-radius:6px;z-index:20;max-width:420px}
.toast.bad{border-color:var(--bad)}
.chips{display:flex;flex-wrap:wrap;gap:6px}.chips label{display:flex;gap:4px;align-items:center;color:var(--fg);font-size:13px;background:var(--panel2);padding:2px 8px;border-radius:12px;border:1px solid var(--line)}
.kv{display:grid;grid-template-columns:max-content 1fr;gap:4px 14px}.kv dt{color:var(--muted)}.kv dd{margin:0;font-family:var(--mono)}
@media(max-width:760px){.shell{flex-direction:column}.side{width:100%;height:auto;position:static}nav{display:flex;overflow:auto}nav a.on{border-left:0;border-bottom:3px solid var(--acc)}.side-foot{display:none}main{padding:12px}.grid2{grid-template-columns:1fr}}.wrap{white-space:normal;word-break:break-all}.secret{font-size:18px;user-select:all}

.st-list{max-height:260px;margin-top:6px;border:1px solid var(--line);border-radius:6px}tr.sel td{background:#3d8bfd33}

/* 信噪比柱状图 */
.legend{display:flex;flex-wrap:wrap;gap:6px 14px;align-items:center;margin-bottom:12px;font-size:12px}
.lg{display:inline-flex;align-items:center;gap:5px}.lg i{width:14px;height:10px;border-radius:2px;display:inline-block}
.sat-grid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:10px}
.sat{background:var(--panel2);border:1px solid var(--line);border-radius:8px;padding:8px 8px 4px;cursor:pointer;transition:border-color .15s,transform .15s}
.sat:hover{border-color:var(--acc);transform:translateY(-1px)}
.sat-h{display:flex;justify-content:space-between;align-items:baseline;font-size:13px;margin-bottom:4px}
.bars{display:flex;gap:5px;align-items:flex-end;height:130px;padding-top:4px;
  background:repeating-linear-gradient(to top,transparent 0,transparent calc(25% - 1px),#2a354488 calc(25% - 1px),#2a354488 25%)}
.bar-w{flex:1;min-width:0;height:100%;display:flex;flex-direction:column;justify-content:flex-end;align-items:center}
.bar{width:100%;max-width:28px;border-radius:4px 4px 1px 1px;transition:height .4s ease;box-shadow:inset 0 1px 0 #ffffff40}
.bar.weak{opacity:.55}
.bar-v{font:11px var(--mono);color:var(--fg);margin-bottom:2px}
.bar-c{font-size:10px;color:var(--muted);margin-top:3px;white-space:nowrap}
.bL1{background:linear-gradient(to top,#1d4ed8,#38bdf8)}
.bB1I{background:linear-gradient(to top,#4338ca,#a78bfa)}
.bL2{background:linear-gradient(to top,#047857,#34d399)}
.bB3I{background:linear-gradient(to top,#4d7c0f,#bef264)}
.bE6{background:linear-gradient(to top,#a21caf,#f0abfc)}
.bE5b{background:linear-gradient(to top,#be123c,#fb7185)}
.bE5{background:linear-gradient(to top,#b91c1c,#fca5a5)}
.bL5{background:linear-gradient(to top,#c2410c,#fbbf24)}
.bX{background:linear-gradient(to top,#475569,#cbd5e1)}
@media(max-width:1300px){.sat-grid{grid-template-columns:repeat(4,minmax(0,1fr))}}
@media(max-width:760px){.sat-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}