:root{
  --bg:#07111c;
  --bg-2:#0a1928;
  --panel:rgba(12,30,48,.78);
  --panel-solid:#0c1e30;
  --line:rgba(112,186,230,.16);
  --line-strong:rgba(112,206,255,.34);
  --ink:#e8f6ff;
  --ink-2:#9bbbd0;
  --ink-3:#617f95;
  --cyan:#57d7ff;
  --teal:#31e0b0;
  --amber:#ffb84d;
  --red:#ff6b6b;
  --num:"Bahnschrift","DIN Alternate","Segoe UI Semibold",ui-sans-serif,sans-serif;
}
*{box-sizing:border-box;}
html,body{min-height:100%;}
body{
  margin:0;background:
    radial-gradient(80% 60% at 85% -10%,rgba(24,116,160,.28),transparent 60%),
    radial-gradient(70% 50% at 0% 100%,rgba(20,86,120,.18),transparent 60%),
    linear-gradient(160deg,#06111c 0%,#071522 46%,#050d16 100%);
  color:var(--ink);font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",ui-sans-serif,sans-serif;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background-image:linear-gradient(rgba(96,180,225,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(96,180,225,.045) 1px,transparent 1px);
  background-size:48px 48px;
  mask-image:radial-gradient(80% 65% at 50% 30%,#000 30%,transparent 100%);
}
.bg-orb{position:fixed;border-radius:50%;filter:blur(80px);pointer-events:none;z-index:0;opacity:.55;}
.orb-a{width:420px;height:420px;right:-120px;top:-160px;background:rgba(51,180,230,.16);}
.orb-b{width:360px;height:360px;left:-160px;bottom:-160px;background:rgba(49,224,176,.10);}
.hidden{display:none!important;}
code,pre{font-family:"JetBrains Mono","SFMono-Regular",Consolas,monospace;}

/* ── 品牌 ── */
.brand{display:flex;align-items:center;gap:14px;}
.brand-mark{
  width:46px;height:46px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(145deg,rgba(87,215,255,.24),rgba(49,224,176,.10));
  border:1px solid rgba(112,206,255,.4);color:var(--cyan);font-family:var(--num);
  font-weight:700;letter-spacing:1px;box-shadow:0 0 24px rgba(87,215,255,.15),inset 0 0 18px rgba(87,215,255,.08);
}
.brand h1{margin:0;font-size:22px;letter-spacing:2px;}
.brand p{margin:4px 0 0;color:var(--ink-3);font-size:12px;letter-spacing:.6px;}
.brand-sm .brand-mark{width:38px;height:38px;border-radius:10px;font-size:13px;}
.brand-sm h1{font-size:17px;letter-spacing:1.5px;}
.brand-sm p{font-size:10px;margin-top:2px;}
.eyebrow{font-family:var(--num);font-size:10px;letter-spacing:3px;color:var(--cyan);opacity:.75;}

/* ── 登录 ── */
.login-view{position:relative;z-index:1;min-height:100vh;display:grid;place-items:center;padding:24px;}
.login-card{
  width:min(430px,100%);padding:34px 34px 28px;border-radius:18px;
  background:linear-gradient(165deg,rgba(13,37,58,.92),rgba(6,19,32,.94));
  border:1px solid var(--line);box-shadow:0 30px 90px rgba(0,0,0,.5),0 0 60px rgba(40,150,210,.08);
  backdrop-filter:blur(14px);
}
.login-form{display:flex;flex-direction:column;gap:16px;margin-top:28px;}
.login-form label{display:flex;flex-direction:column;gap:7px;}
.login-form label span{font-size:12px;color:var(--ink-2);letter-spacing:.6px;}
input,select{
  width:100%;padding:11px 13px;border-radius:9px;border:1px solid var(--line);
  background:rgba(2,12,22,.68);color:var(--ink);outline:none;font-size:14px;
  transition:border-color .18s,box-shadow .18s,background .18s;
}
input::placeholder{color:#49677c;}
input:focus,select:focus{border-color:var(--line-strong);box-shadow:0 0 0 3px rgba(87,215,255,.08);background:rgba(3,17,30,.9);}
select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,#6ea8c5 50%),linear-gradient(135deg,#6ea8c5 50%,transparent 50%);background-position:calc(100% - 17px) 50%,calc(100% - 12px) 50%;background-size:5px 5px,5px 5px;background-repeat:no-repeat;padding-right:34px;}
.form-hint{color:var(--ink-3);font-size:11px;line-height:1.6;margin:2px 0 0;text-align:center;}

/* ── 通用按钮 ── */
.btn{
  border:1px solid var(--line);border-radius:9px;padding:10px 16px;background:rgba(87,215,255,.06);
  color:var(--ink);font-size:13px;letter-spacing:.5px;cursor:pointer;font-family:inherit;
  transition:transform .15s,border-color .15s,background .15s,box-shadow .15s;
}
.btn:hover{border-color:var(--line-strong);background:rgba(87,215,255,.12);box-shadow:0 0 18px rgba(87,215,255,.10);}
.btn:active{transform:translateY(1px);}
.btn:disabled{opacity:.55;cursor:not-allowed;transform:none;}
.btn-primary{
  border-color:rgba(87,215,255,.5);color:#02131f;font-weight:700;
  background:linear-gradient(135deg,#72e3ff,#37b9e9 60%,#2fe0b0);
  box-shadow:0 8px 24px rgba(63,190,230,.22);
}
.btn-primary:hover{background:linear-gradient(135deg,#8deaff,#4ac5f2 60%,#4cecbd);box-shadow:0 10px 30px rgba(63,190,230,.34);}
.btn-ghost{background:transparent;color:var(--ink-2);}
.btn-block{width:100%;padding:12px;font-size:14px;}
.btn-sm{padding:7px 12px;font-size:12px;}
.icon-btn{
  width:30px;height:30px;display:grid;place-items:center;border-radius:8px;border:1px solid var(--line);
  background:rgba(87,215,255,.04);color:var(--ink-2);cursor:pointer;font-size:15px;transition:all .15s;
}
.icon-btn:hover{color:var(--cyan);border-color:var(--line-strong);background:rgba(87,215,255,.10);}

/* ── 顶栏 / 主区 ── */
.app-view{position:relative;z-index:1;min-height:100vh;}
.topbar{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:16px 32px;border-bottom:1px solid rgba(112,186,230,.12);
  background:rgba(5,16,27,.66);backdrop-filter:blur(12px);position:sticky;top:0;z-index:20;
}
.topbar-right{display:flex;align-items:center;gap:12px;}
.live-pill{
  display:flex;align-items:center;gap:8px;padding:6px 12px;border-radius:999px;
  background:rgba(49,224,176,.07);border:1px solid rgba(49,224,176,.22);color:#8ff0d2;font-size:11px;
}
.live-pill i{width:7px;height:7px;border-radius:50%;background:var(--teal);box-shadow:0 0 10px var(--teal);animation:pulse 2s infinite;}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1);}50%{opacity:.35;transform:scale(.8);}}
.user-chip{padding:6px 12px;border-radius:8px;border:1px solid var(--line);color:var(--ink-2);font-size:12px;background:rgba(255,255,255,.02);}
.main{max-width:1440px;margin:0 auto;padding:34px 32px 48px;}

.page-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:24px;}
.page-head h2{margin:8px 0 6px;font-size:30px;letter-spacing:1px;}
.page-head p{margin:0;color:var(--ink-3);font-size:13px;line-height:1.7;max-width:760px;}

.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:22px;}
.stat{
  padding:18px 20px;border-radius:14px;border:1px solid var(--line);
  background:linear-gradient(145deg,rgba(14,42,66,.62),rgba(6,20,34,.54));
  display:flex;flex-direction:column;gap:4px;position:relative;overflow:hidden;
}
.stat::after{content:"";position:absolute;left:0;right:0;top:0;height:1px;background:linear-gradient(90deg,transparent,rgba(120,230,255,.45),transparent);}
.stat span{font-size:11px;color:var(--ink-3);letter-spacing:1px;}
.stat b{font-family:var(--num);font-size:30px;font-weight:600;color:#fff;line-height:1.2;}
.stat em{font-style:normal;font-family:var(--num);font-size:10px;color:var(--ink-3);letter-spacing:1px;}

.panel{border-radius:16px;border:1px solid var(--line);background:var(--panel);backdrop-filter:blur(10px);overflow:hidden;box-shadow:0 24px 60px rgba(0,0,0,.25);}
.panel-head{display:flex;align-items:center;justify-content:space-between;padding:18px 22px;border-bottom:1px solid var(--line);}
.panel-head h3{margin:0;font-size:15px;letter-spacing:1px;}
.table-wrap{overflow:auto;}
.channel-table{width:100%;border-collapse:collapse;min-width:980px;}
.channel-table th{
  text-align:left;font-size:10px;letter-spacing:1.6px;color:var(--ink-3);font-weight:500;
  padding:13px 16px;border-bottom:1px solid var(--line);background:rgba(6,20,34,.42);white-space:nowrap;
}
.channel-table td{padding:15px 16px;border-bottom:1px solid rgba(112,186,230,.08);vertical-align:middle;font-size:13px;}
.channel-table tr:last-child td{border-bottom:none;}
.channel-table tbody tr{transition:background .15s;}
.channel-table tbody tr:hover{background:rgba(87,215,255,.035);}
.col-actions{text-align:right;}
.cell-main{display:flex;flex-direction:column;gap:3px;min-width:0;}
.cell-main b{font-weight:600;color:var(--ink);}
.cell-main span,.muted{color:var(--ink-3);font-size:11px;font-family:var(--num);}
.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 9px;border-radius:999px;font-size:10px;letter-spacing:.6px;border:1px solid;white-space:nowrap;}
.badge i{width:6px;height:6px;border-radius:50%;background:currentColor;box-shadow:0 0 8px currentColor;}
.badge.connected{color:var(--teal);border-color:rgba(49,224,176,.32);background:rgba(49,224,176,.08);}
.badge.connecting{color:var(--amber);border-color:rgba(255,184,77,.3);background:rgba(255,184,77,.07);}
.badge.error{color:var(--red);border-color:rgba(255,107,107,.35);background:rgba(255,107,107,.08);}
.badge.disabled{color:var(--ink-3);border-color:var(--line);background:rgba(255,255,255,.02);}
.channel-name{display:flex;align-items:center;gap:9px;}
.channel-name .dot{width:8px;height:8px;border-radius:50%;background:var(--ink-3);flex:none;}
.channel-name .dot.on{background:var(--teal);box-shadow:0 0 10px var(--teal);}
.topic-code{display:inline-block;max-width:270px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;vertical-align:bottom;color:#a8d9ec;font-size:11px;background:rgba(87,215,255,.05);border:1px solid rgba(87,215,255,.12);border-radius:6px;padding:3px 7px;}
.row-actions{display:flex;gap:6px;justify-content:flex-end;flex-wrap:wrap;}
.link-btn{background:none;border:none;color:var(--ink-2);font-size:11px;cursor:pointer;padding:5px 7px;border-radius:6px;font-family:inherit;}
.link-btn:hover{color:var(--cyan);background:rgba(87,215,255,.08);}
.link-btn.danger:hover{color:var(--red);background:rgba(255,107,107,.08);}
.empty{padding:70px 20px;text-align:center;color:var(--ink-3);}
.empty-mark{width:54px;height:54px;margin:0 auto 16px;display:grid;place-items:center;border-radius:16px;border:1px dashed var(--line-strong);color:var(--cyan);font-size:26px;}
.empty h3{margin:0 0 8px;color:var(--ink);font-size:16px;}
.empty p{margin:0 auto 20px;max-width:420px;font-size:12px;line-height:1.7;}
.foot{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-top:18px;color:var(--ink-3);font-size:11px;line-height:1.7;}
.foot code{color:#8dcce4;}

/* ── 弹窗 ── */
.modal-mask{position:fixed;inset:0;z-index:50;display:grid;place-items:center;padding:24px;background:rgba(2,8,14,.72);backdrop-filter:blur(6px);}
.modal{
  width:min(800px,100%);max-height:92vh;overflow:auto;border-radius:18px;
  border:1px solid var(--line);background:linear-gradient(170deg,#0b2135,#071522 70%);
  box-shadow:0 40px 120px rgba(0,0,0,.65);animation:modalIn .2s ease both;
}
.modal-sm{width:min(620px,100%);}
.modal-lg{width:min(980px,100%);}
.modal-sub{margin:5px 0 0;color:var(--ink-3);font-size:11px;line-height:1.5;}
@keyframes modalIn{from{opacity:0;transform:translateY(12px) scale(.985);}to{opacity:1;transform:none;}}
.modal-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;padding:22px 24px;border-bottom:1px solid var(--line);}
.modal-head h3{margin:7px 0 0;font-size:20px;letter-spacing:.5px;}
.modal-body{padding:22px 24px 24px;}
.form-section + .form-section{margin-top:20px;padding-top:20px;border-top:1px solid var(--line);}
.form-section h4{margin:0 0 14px;font-size:12px;letter-spacing:1.4px;color:var(--cyan);font-weight:600;}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px 16px;}
.form-grid label{display:flex;flex-direction:column;gap:6px;}
.form-grid label>span:first-child{font-size:11px;color:var(--ink-2);letter-spacing:.4px;}
.form-grid small{font-size:10px;color:var(--ink-3);line-height:1.5;}
.span-2{grid-column:span 2;}
.size-input{display:flex;gap:8px;}
.size-input input{flex:1;min-width:0;}
.size-input select{flex:0 0 82px;width:82px;padding-top:10px;padding-bottom:10px;}
.req{color:var(--red);font-style:normal;}
.switch-line{flex-direction:row!important;align-items:center;justify-content:space-between;padding-top:22px;}
.switch{position:relative;width:42px;height:23px;display:inline-block;}
.switch input{opacity:0;width:0;height:0;}
.switch i{position:absolute;inset:0;border-radius:999px;background:rgba(255,255,255,.08);border:1px solid var(--line);transition:.2s;}
.switch i::after{content:"";position:absolute;width:15px;height:15px;border-radius:50%;left:3px;top:3px;background:#617f95;transition:.2s;}
.switch input:checked+i{background:rgba(49,224,176,.18);border-color:rgba(49,224,176,.4);}
.switch input:checked+i::after{transform:translateX(19px);background:var(--teal);box-shadow:0 0 10px rgba(49,224,176,.7);}
.check-line{flex-direction:row!important;align-items:center;gap:8px!important;font-size:11px;color:var(--ink-3);padding-top:22px;}
.check-line input{width:15px;height:15px;accent-color:var(--cyan);}
.modal-foot{display:flex;justify-content:flex-end;gap:10px;margin-top:24px;padding-top:18px;border-top:1px solid var(--line);}

.info-body{display:flex;flex-direction:column;gap:16px;}
.info-block{display:flex;flex-direction:column;gap:8px;}
.info-block>span{font-size:11px;color:var(--ink-3);letter-spacing:.8px;}
.info-block>code{display:block;color:#a8e2f5;font-size:12px;line-height:1.6;word-break:break-all;background:rgba(2,12,22,.5);border:1px solid var(--line);border-radius:8px;padding:10px 12px;}
.copy-line{display:flex;align-items:center;gap:8px;}
.copy-line code{flex:1;padding:10px 12px;border-radius:8px;border:1px solid var(--line);background:rgba(2,12,22,.5);color:#a8e2f5;font-size:12px;word-break:break-all;}
.copy-line .copy-btn{width:auto;min-width:48px;padding:0 10px;white-space:nowrap;font-family:inherit;font-size:11px;letter-spacing:.5px;}
.info-block pre{margin:0;padding:12px;border-radius:8px;border:1px solid var(--line);background:rgba(2,12,22,.58);color:#b9e4f3;font-size:11px;line-height:1.6;white-space:pre-wrap;word-break:break-all;}
.info-block .btn{align-self:flex-start;}

/* ── 最近消息 ── */
.msg-toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px;}
.msg-toolbar>span{font-size:11px;color:var(--ink-3);letter-spacing:.5px;}
.msg-list{display:flex;flex-direction:column;gap:10px;max-height:58vh;overflow:auto;padding-right:4px;}
.msg-empty{padding:42px 16px;text-align:center;color:var(--ink-3);font-size:12px;}
.msg-item{padding:12px 14px;border:1px solid var(--line);border-radius:9px;
  background:rgba(2,12,22,.42);}
.msg-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;font-family:var(--num);
  font-size:10px;color:var(--ink-3);}
.msg-meta>span:first-child{color:var(--cyan);}
.msg-meta .link-btn{margin-left:auto;padding:2px 6px;}
.msg-ok{color:var(--teal);}
.msg-warn{color:var(--amber);}
.msg-topic{margin-top:6px;font-family:var(--num);font-size:11px;color:#8dcce4;word-break:break-all;}
.msg-payload{margin:8px 0 0;padding:10px 12px;border-radius:7px;background:rgba(0,6,12,.55);
  border:1px solid rgba(112,186,230,.1);color:#b9e4f3;font-size:11px;line-height:1.6;
  max-height:220px;overflow:auto;white-space:pre-wrap;word-break:break-all;}

/* ── Toast ── */
.toast{
  position:fixed;left:50%;bottom:26px;transform:translateX(-50%) translateY(16px);
  z-index:100;padding:11px 20px;border-radius:10px;font-size:12px;letter-spacing:.5px;
  background:rgba(8,26,42,.98);border:1px solid rgba(49,224,176,.45);color:#a6f5dc;
  box-shadow:0 16px 48px rgba(0,0,0,.5);opacity:0;pointer-events:none;transition:all .22s;
}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0);}
.toast.error{border-color:rgba(255,107,107,.5);color:#ffb3b3;}
.copy-helper{position:fixed;left:-9999px;top:0;width:1px;height:1px;opacity:0;}

@media (max-width:900px){
  .stat-grid{grid-template-columns:repeat(2,1fr);}
  .page-head{align-items:flex-start;flex-direction:column;}
  .topbar{padding:14px 18px;}
  .main{padding:24px 16px 36px;}
  .form-grid{grid-template-columns:1fr;}
  .span-2{grid-column:auto;}
  .switch-line,.check-line{padding-top:0;}
}
@media (max-width:520px){
  .login-card{padding:26px 20px;}
  .brand h1{font-size:19px;}
  .stat b{font-size:24px;}
  .page-head h2{font-size:24px;}
}