:root{
  --bg:#0e1420; --panel:#151d2c; --panel2:#1b2436; --line:#243149;
  --txt:#e8eef8; --muted:#8b9ab2; --accent:#3b82f6; --accent2:#22d3ee;
  --green:#22c55e; --red:#ef4444; --amber:#f59e0b; --purple:#8b5cf6;
  --radius:14px;
}
*{box-sizing:border-box}
html,body{margin:0;height:100%}
body{
  font-family:"Microsoft YaHei UI","PingFang SC",-apple-system,Segoe UI,sans-serif;
  background:var(--bg); color:var(--txt); font-size:14px; overflow:hidden;
}
.hidden{display:none!important}
button{font-family:inherit}
a{color:inherit;text-decoration:none}

/* ---------- 登录 ---------- */
.login-wrap{position:fixed;inset:0;display:flex;align-items:center;justify-content:center}
.login-bg{
  position:absolute;inset:0;
  background:
    radial-gradient(900px 500px at 15% 10%,rgba(59,130,246,.28),transparent 60%),
    radial-gradient(800px 500px at 85% 85%,rgba(139,92,246,.25),transparent 60%),
    linear-gradient(160deg,#0b111b,#131c2b 55%,#0c1420);
}
.login-bg:after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);
  background-size:44px 44px;
  mask-image:radial-gradient(circle at 50% 40%,#000,transparent 75%);
}
.login-card{
  position:relative;width:392px;padding:38px 34px 30px;border-radius:20px;
  background:rgba(21,29,44,.86);border:1px solid rgba(255,255,255,.08);
  box-shadow:0 30px 70px rgba(0,0,0,.55),inset 0 1px 0 rgba(255,255,255,.06);
  backdrop-filter:blur(14px);
}
.brand-logo{
  width:52px;height:52px;border-radius:15px;display:flex;align-items:center;justify-content:center;
  font-weight:800;letter-spacing:1px;font-size:19px;color:#fff;
  background:linear-gradient(135deg,#3b82f6,#22d3ee 60%,#8b5cf6);
  box-shadow:0 10px 26px rgba(59,130,246,.42);margin-bottom:18px;
}
.login-card h1{font-size:21px;margin:0 0 6px;letter-spacing:.5px}
.login-card .sub{margin:0 0 24px;color:var(--muted);font-size:12.5px}
.login-card label{display:block;font-size:12px;color:var(--muted);margin:14px 0 6px}
.login-card input{
  width:100%;height:42px;padding:0 13px;border-radius:10px;color:var(--txt);
  background:#0f1725;border:1px solid var(--line);outline:none;font-size:14px;
  transition:border-color .15s,box-shadow .15s;
}
.login-card input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(59,130,246,.18)}
.tip{min-height:18px;margin-top:12px;font-size:12.5px;color:var(--red);text-align:center}
.captcha-row{display:flex;gap:10px;align-items:center;margin-top:6px}
.captcha-row input{margin:0!important}
.captcha-row img{
  height:42px;width:112px;border-radius:10px;border:1px solid var(--line);
  background:#fff;cursor:pointer;flex:0 0 112px;object-fit:cover;
}

/* ---------- 通用控件 ---------- */
.btn{
  height:36px;padding:0 16px;border-radius:10px;border:1px solid var(--line);
  background:var(--panel2);color:var(--txt);cursor:pointer;font-size:13px;
  transition:.16s;display:inline-flex;align-items:center;gap:6px;white-space:nowrap;
}
.btn:hover{border-color:#38507a;background:#22304a}
.btn.primary{background:linear-gradient(135deg,#3b82f6,#2563eb);border:none;box-shadow:0 8px 20px rgba(37,99,235,.32)}
.btn.primary:hover{filter:brightness(1.08)}
.btn.ghost{background:transparent}
.btn.danger{background:rgba(239,68,68,.14);border-color:rgba(239,68,68,.35);color:#fca5a5}
.btn.danger:hover{background:rgba(239,68,68,.24)}
.btn.sm{height:30px;padding:0 12px;font-size:12.5px;border-radius:8px}
.btn.block{width:100%;justify-content:center;height:44px;font-size:15px;margin-top:20px}
input.inp,select.inp,textarea.inp{
  width:100%;height:38px;padding:0 12px;border-radius:10px;background:#0f1725;
  border:1px solid var(--line);color:var(--txt);outline:none;font-size:13.5px;font-family:inherit;
}
textarea.inp{height:auto;padding:10px 12px;resize:vertical;line-height:1.6}
input.inp:focus,select.inp:focus,textarea.inp:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(59,130,246,.15)}
input[type=checkbox]{width:16px;height:16px;accent-color:var(--accent);vertical-align:-3px}
label.chk{display:inline-flex;align-items:center;gap:7px;font-size:13px;color:#c8d4e6;cursor:pointer}

/* ---------- 布局 ---------- */
.app{display:flex;height:100vh}
.sidebar{
  width:230px;flex:0 0 230px;padding:20px 14px;display:flex;flex-direction:column;
  background:linear-gradient(180deg,#121a28,#0e1522);border-right:1px solid var(--line);
}
.logo{display:flex;align-items:center;gap:11px;padding:2px 6px 22px}
.logo .mark{
  width:38px;height:38px;border-radius:11px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#3b82f6,#22d3ee);font-weight:800;font-size:14px;color:#fff;
  box-shadow:0 8px 18px rgba(59,130,246,.35);
}
.logo b{display:block;font-size:14.5px;letter-spacing:.4px}
.logo small{color:var(--muted);font-size:11.5px}
#nav{display:flex;flex-direction:column;gap:3px}
#nav a{
  display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:10px;
  color:#a9b7cc;font-size:13.5px;cursor:pointer;transition:.15s;position:relative;
}
#nav a .ico{width:18px;text-align:center;font-size:14px;opacity:.85}
#nav a:hover{background:rgba(255,255,255,.045);color:#e6eefb}
#nav a.active{
  background:linear-gradient(90deg,rgba(59,130,246,.22),rgba(59,130,246,.05));
  color:#fff;box-shadow:inset 0 0 0 1px rgba(59,130,246,.25);
}
#nav a.active:before{
  content:"";position:absolute;left:0;top:9px;bottom:9px;width:3px;border-radius:3px;
  background:linear-gradient(#3b82f6,#22d3ee);
}
.side-foot{margin-top:auto;padding-top:14px;border-top:1px solid var(--line);display:flex;flex-direction:column;gap:2px}
.side-foot a{padding:8px 12px;border-radius:9px;font-size:12.5px;color:var(--muted);cursor:pointer}
.side-foot a:hover{background:rgba(255,255,255,.05);color:#e6eefb}

.main{flex:1;min-width:0;display:flex;flex-direction:column}
.topbar{
  height:76px;flex:0 0 76px;padding:0 26px;display:flex;align-items:center;justify-content:space-between;
  border-bottom:1px solid var(--line);background:rgba(16,23,35,.7);backdrop-filter:blur(8px);
}
.topbar h2{margin:0;font-size:18px;letter-spacing:.3px}
.topbar p{margin:5px 0 0;color:var(--muted);font-size:12.5px}
.top-right{display:flex;align-items:center;gap:10px;font-size:13px;color:#c3d0e2}
.dot{width:7px;height:7px;border-radius:50%;background:var(--green);box-shadow:0 0 0 4px rgba(34,197,94,.15)}
.content{flex:1;overflow:auto;padding:22px 26px 40px}

/* ---------- 卡片 / 栅格 ---------- */
.grid{display:grid;gap:16px}
.g4{grid-template-columns:repeat(4,minmax(0,1fr))}
.g3{grid-template-columns:repeat(3,minmax(0,1fr))}
.g2{grid-template-columns:repeat(2,minmax(0,1fr))}
@media(max-width:1180px){.g4{grid-template-columns:repeat(2,minmax(0,1fr))}.g3,.g2{grid-template-columns:1fr}}
.card{
  background:linear-gradient(180deg,#161f2f,#131b29);border:1px solid var(--line);
  border-radius:var(--radius);padding:18px;box-shadow:0 10px 24px rgba(0,0,0,.18);
}
.card h3{margin:0 0 14px;font-size:14px;letter-spacing:.3px;display:flex;align-items:center;gap:8px}
.card h3 .muted{font-weight:400;font-size:12px;color:var(--muted)}
.stat{position:relative;overflow:hidden}
.stat .label{color:var(--muted);font-size:12.5px}
.stat .value{font-size:30px;font-weight:700;letter-spacing:.5px;margin:8px 0 4px;font-variant-numeric:tabular-nums}
.stat .hint{font-size:12px;color:#7d8ca3}
.stat:after{
  content:"";position:absolute;right:-30px;top:-30px;width:110px;height:110px;border-radius:50%;
  background:radial-gradient(circle,rgba(59,130,246,.22),transparent 70%);
}
.stat.green:after{background:radial-gradient(circle,rgba(34,197,94,.22),transparent 70%)}
.stat.purple:after{background:radial-gradient(circle,rgba(139,92,246,.24),transparent 70%)}
.stat.amber:after{background:radial-gradient(circle,rgba(245,158,11,.22),transparent 70%)}

.toolbar{display:flex;align-items:center;gap:10px;margin-bottom:16px;flex-wrap:wrap}
.toolbar .grow{flex:1}
.pill{
  display:inline-flex;align-items:center;gap:5px;height:24px;padding:0 10px;border-radius:20px;
  font-size:12px;background:rgba(59,130,246,.14);color:#93c5fd;border:1px solid rgba(59,130,246,.25);
}
.pill.green{background:rgba(34,197,94,.14);color:#86efac;border-color:rgba(34,197,94,.28)}
.pill.gray{background:rgba(148,163,184,.12);color:#a8b6cc;border-color:rgba(148,163,184,.22)}
.pill.red{background:rgba(239,68,68,.14);color:#fca5a5;border-color:rgba(239,68,68,.28)}
.pill.amber{background:rgba(245,158,11,.14);color:#fcd34d;border-color:rgba(245,158,11,.28)}

table{width:100%;border-collapse:collapse;font-size:13px}
th{
  text-align:left;color:var(--muted);font-weight:500;font-size:12px;padding:10px 12px;
  border-bottom:1px solid var(--line);white-space:nowrap;background:rgba(255,255,255,.02);
}
td{padding:11px 12px;border-bottom:1px solid rgba(36,49,73,.6);vertical-align:middle}
tbody tr:hover{background:rgba(59,130,246,.05)}
td .ops{display:flex;gap:6px}
.thumb{width:74px;height:46px;object-fit:cover;border-radius:8px;border:1px solid var(--line);background:#0d1420}
.empty{padding:40px;text-align:center;color:var(--muted);font-size:13px}
.mono{font-family:Consolas,Monaco,monospace;font-size:12.5px}
.muted{color:var(--muted)}
.ellip{max-width:320px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- 图表 ---------- */
.bars{display:flex;align-items:flex-end;gap:14px;height:190px;padding:12px 4px 0}
.bars .col{flex:1;display:flex;flex-direction:column;align-items:center;gap:6px;height:100%;justify-content:flex-end}
.bars .pair{display:flex;gap:4px;align-items:flex-end;height:100%;width:100%;justify-content:center}
.bars .bar{width:14px;border-radius:5px 5px 2px 2px;background:linear-gradient(180deg,#60a5fa,#2563eb);min-height:2px;transition:height .5s}
.bars .bar.alt{background:linear-gradient(180deg,#67e8f9,#0891b2)}
.bars .lbl{font-size:11.5px;color:var(--muted)}
.legend{display:flex;gap:16px;font-size:12px;color:var(--muted);margin-top:8px}
.legend i{display:inline-block;width:10px;height:10px;border-radius:3px;margin-right:6px;vertical-align:-1px}
.progress{height:8px;border-radius:6px;background:#0f1725;overflow:hidden}
.progress > span{display:block;height:100%;border-radius:6px;background:linear-gradient(90deg,#3b82f6,#22d3ee)}

/* ---------- 表单 ---------- */
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px 18px}
.form-grid .full{grid-column:1/-1}
.field label{display:block;font-size:12px;color:var(--muted);margin-bottom:6px}
.hintline{font-size:11.5px;color:#6f7f96;margin-top:5px}
.upload-row{display:flex;gap:8px;align-items:center}
.upload-row input{flex:1}

/* ---------- 弹窗 ---------- */
.modal{position:fixed;inset:0;background:rgba(5,9,16,.66);display:flex;align-items:center;justify-content:center;z-index:60;backdrop-filter:blur(3px)}
.modal-box{
  width:640px;max-width:92vw;max-height:88vh;display:flex;flex-direction:column;
  background:#141d2b;border:1px solid var(--line);border-radius:16px;box-shadow:0 30px 60px rgba(0,0,0,.5);
}
.modal-head{padding:18px 20px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between}
.modal-head h3{margin:0;font-size:15px}
.modal-head .x{background:none;border:none;color:var(--muted);font-size:22px;cursor:pointer;line-height:1}
.modal-body{padding:20px;overflow:auto}
.modal-foot{padding:14px 20px;border-top:1px solid var(--line);display:flex;justify-content:flex-end;gap:10px}

/* ---------- Toast ---------- */
.toast{
  position:fixed;left:50%;top:26px;transform:translate(-50%,-20px);opacity:0;pointer-events:none;
  background:#1d2a3f;border:1px solid #2f4265;color:#e8eef8;padding:11px 20px;border-radius:11px;
  font-size:13px;box-shadow:0 14px 30px rgba(0,0,0,.4);z-index:99;transition:.22s;
}
.toast.show{opacity:1;transform:translate(-50%,0)}
.toast.err{border-color:rgba(239,68,68,.5);background:#2a1720;color:#fecaca}

/* 滚动条 */
::-webkit-scrollbar{width:9px;height:9px}
::-webkit-scrollbar-thumb{background:#28374f;border-radius:6px}
::-webkit-scrollbar-track{background:transparent}