/* ===== Zaka Exchange 管理后台 ===== */
:root{
  --brand:#4f46e5; --brand-2:#6366f1; --brand-dark:#312e81;
  --side-bg:#0f172a; --side-bg2:#1a2337;
  --ink:#0f172a; --muted:#64748b; --line:#e8ecf3; --bg:#f4f6fb;
  --up:#0ea371; --down:#e5484d;
  --shadow:0 1px 2px rgba(16,24,40,.04),0 8px 24px -8px rgba(16,24,40,.10);
}
*{outline:none!important}
body{background:var(--bg);font-family:system-ui,-apple-system,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);font-size:14px}
a{text-decoration:none}
::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:8px}

/* ---------- 登录 ---------- */
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;
  background:radial-gradient(1200px 600px at 10% 10%,#312e81 0,#0f172a 55%,#070b16 100%);position:relative;overflow:hidden}
.login-wrap:before{content:"";position:absolute;width:520px;height:520px;right:-120px;top:-140px;border-radius:50%;
  background:radial-gradient(circle,rgba(99,102,241,.45),transparent 65%);filter:blur(10px)}
.login-card{position:relative;width:100%;max-width:400px;background:#fff;border-radius:18px;padding:34px 32px 28px;
  box-shadow:0 30px 70px -20px rgba(0,0,0,.55)}
.login-card .logo{width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--brand),#8b5cf6);color:#fff;font-size:26px;margin-bottom:16px}
.login-card h4{font-weight:700;letter-spacing:-.4px}
.form-control{background:#fbfcfe}
.form-control:focus{border-color:var(--brand-2);box-shadow:0 0 0 3px rgba(99,102,241,.15)}
.btn-brand{background:linear-gradient(135deg,var(--brand),var(--brand-2));border:0;color:#fff;font-weight:600}
.btn-brand:hover{background:linear-gradient(135deg,#4338ca,#4f46e5);color:#fff}
.btn-brand:disabled{opacity:.65}

/* ---------- 布局 ---------- */
.layout{display:flex;min-height:100vh}
.side{width:232px;flex:0 0 232px;background:linear-gradient(180deg,var(--side-bg),var(--side-bg2));color:#cbd5e1;
  display:flex;flex-direction:column;position:sticky;top:0;height:100vh}
.side .brand{display:flex;align-items:center;gap:10px;padding:18px 18px 14px;color:#fff}
.side .brand .mark{width:34px;height:34px;border-radius:10px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--brand),#8b5cf6);font-size:18px;flex:0 0 34px}
.side .brand b{font-size:15px;letter-spacing:-.2px;display:block;line-height:1.15}
.side .brand small{font-size:11px;color:#8fa0bd}
.side nav{padding:6px 10px 20px;overflow-y:auto;flex:1}
.side nav::-webkit-scrollbar-thumb{background:#334155}
.nav-label{font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:#64748b;padding:14px 10px 6px;font-weight:600}
.side a.nav-item{display:flex;align-items:center;gap:10px;padding:9px 11px;border-radius:9px;color:#cbd5e1;font-size:13.5px;
  margin-bottom:2px;transition:.15s}
.side a.nav-item i{font-size:15px;width:17px;text-align:center;color:#8fa0bd}
.side a.nav-item:hover{background:rgba(255,255,255,.06);color:#fff}
.side a.nav-item.active{background:linear-gradient(135deg,rgba(79,70,229,.95),rgba(99,102,241,.85));color:#fff;
  box-shadow:0 6px 16px -6px rgba(79,70,229,.9)}
.side a.nav-item.active i{color:#fff}
.side a.nav-item .badge{margin-left:auto;font-size:10px}
.main{flex:1;min-width:0;display:flex;flex-direction:column}
.topbar{height:60px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;
  padding:0 22px;gap:14px;position:sticky;top:0;z-index:9}
.topbar .title{font-weight:700;font-size:16px;letter-spacing:-.2px}
.topbar .sub{font-size:12px;color:var(--muted)}
.topbar .right{margin-left:auto;display:flex;align-items:center;gap:14px}
.pill{display:inline-flex;align-items:center;gap:6px;background:#f1f5f9;border-radius:999px;padding:5px 12px;font-size:12px;color:#475569}
.dot{width:7px;height:7px;border-radius:50%;display:inline-block}
.dot.on{background:var(--up);box-shadow:0 0 0 3px rgba(14,163,113,.16)}
.dot.off{background:var(--down);box-shadow:0 0 0 3px rgba(229,72,77,.16)}
.content{padding:22px;flex:1}
.avatar{width:32px;height:32px;border-radius:9px;background:linear-gradient(135deg,var(--brand),#8b5cf6);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:13px}

/* ---------- 卡片 / 表格 ---------- */
.card{border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);background:#fff}
.card-header{background:transparent;border-bottom:1px solid var(--line);padding:14px 18px;display:flex;align-items:center;gap:10px}
.card-header h6{margin:0;font-weight:700;font-size:14.5px}
.card-header .tools{margin-left:auto;display:flex;gap:8px;align-items:center}
.card-body{padding:18px}
.stat{border:1px solid var(--line);border-radius:14px;background:#fff;padding:16px 18px;box-shadow:var(--shadow);position:relative;overflow:hidden}
.stat .ico{width:38px;height:38px;border-radius:11px;display:flex;align-items:center;justify-content:center;font-size:18px;color:#fff}
.stat .lbl{font-size:12px;color:var(--muted);margin-bottom:2px}
.stat .val{font-size:22px;font-weight:700;letter-spacing:-.5px;font-variant-numeric:tabular-nums}
.stat .sub{font-size:11.5px;color:var(--muted);margin-top:2px}
.bg-i1{background:linear-gradient(135deg,#4f46e5,#818cf8)}
.bg-i2{background:linear-gradient(135deg,#0ea371,#34d399)}
.bg-i3{background:linear-gradient(135deg,#e5484d,#f87171)}
.bg-i4{background:linear-gradient(135deg,#d97706,#fbbf24)}
.bg-i5{background:linear-gradient(135deg,#0891b2,#22d3ee)}
.bg-i6{background:linear-gradient(135deg,#7c3aed,#a78bfa)}
.table{--bs-table-bg:transparent;margin-bottom:0;font-size:13px}
.table>thead th{background:#f8fafc;color:#475569;font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.03em;
  border-bottom:1px solid var(--line);white-space:nowrap;padding:10px 12px}
.table>tbody td{padding:10px 12px;vertical-align:middle;border-color:#f1f5f9;white-space:nowrap}
.table-hover>tbody>tr:hover>*{background:#f8faff}
.table-wrap{overflow:auto;max-height:none}
.up{color:var(--up);font-weight:600}.down{color:var(--down);font-weight:600}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px}
.tag{display:inline-block;padding:2px 9px;border-radius:999px;font-size:11.5px;font-weight:600;line-height:1.7}
.tag-air{background:#eef2ff;color:#4338ca}
.tag-real{background:#ecfdf5;color:#047857}
.tag-wait{background:#fff7ed;color:#c2410c}
.tag-ok{background:#ecfdf5;color:#047857}
.tag-no{background:#fef2f2;color:#b91c1c}
.tag-info{background:#eff6ff;color:#1d4ed8}
.tag-gray{background:#f1f5f9;color:#475569}
.coin-badge{display:inline-flex;align-items:center;gap:7px}
.coin-badge .c{width:24px;height:24px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  font-size:10px;font-weight:700;color:#fff;background:linear-gradient(135deg,#4f46e5,#8b5cf6)}
.btn{font-size:13px;border-radius:9px}
.btn-sm{font-size:12px;padding:4px 10px;border-radius:8px}
.btn-primary{background:var(--brand);border-color:var(--brand)}
.btn-primary:hover{background:#4338ca;border-color:#4338ca}
.form-label{font-size:12.5px;font-weight:600;color:#475569;margin-bottom:5px}
.form-text{font-size:11.5px}
.empty{padding:44px 0;text-align:center;color:var(--muted)}
.empty i{font-size:38px;opacity:.35;display:block;margin-bottom:10px}
.pager{display:flex;align-items:center;gap:8px;padding:12px 18px;border-top:1px solid var(--line)}
.pager .info{font-size:12px;color:var(--muted);margin-left:auto}
.spinner-border-sm{width:.95rem;height:.95rem}
.toast-wrap{position:fixed;top:18px;right:18px;z-index:2000;display:flex;flex-direction:column;gap:8px}
.tst{min-width:230px;background:#0f172a;color:#fff;border-radius:11px;padding:11px 14px;font-size:13px;
  box-shadow:0 12px 30px -10px rgba(2,6,23,.6);display:flex;align-items:center;gap:9px;animation:slideIn .22s ease}
.tst.ok{background:#065f46}.tst.err{background:#991b1b}.tst.info{background:#1e293b}
@keyframes slideIn{from{opacity:0;transform:translateX(18px)}to{opacity:1;transform:none}}
.nav-tabs .nav-link{font-size:13px;color:var(--muted);border:0;border-bottom:2px solid transparent;padding:8px 14px}
.nav-tabs .nav-link.active{color:var(--brand);border-bottom-color:var(--brand);font-weight:600;background:transparent}
.kv{display:flex;justify-content:space-between;padding:8px 0;border-bottom:1px dashed var(--line);font-size:13px}
.kv:last-child{border-bottom:0}
.kv .k{color:var(--muted)}
.mask{filter:blur(4px)}
.chart-box{height:260px;position:relative}
.scroll-y{max-height:520px;overflow:auto}
.mobile-only{display:none}
@media (max-width:992px){
  .side{position:fixed;left:0;top:0;bottom:0;z-index:1030;transform:translateX(-100%);transition:.22s}
  .side.open{transform:none}
  .mobile-only{display:inline-flex}
  .content{padding:14px}
  .stat .val{font-size:19px}
}
/* K线控制页:操作列固定在右侧,窄屏横向滑动时按钮始终可见 */
.kline-table>thead th:last-child,.kline-table>tbody td:last-child{position:sticky;right:0;background:#fff;z-index:2;box-shadow:-8px 0 10px -8px rgba(15,23,42,.18)}
.kline-table>thead th:last-child{background:#f8fafc;z-index:3}
.kline-table>tbody tr:hover>td:last-child{background:#f7faff}
.kline-table td:last-child .btn{white-space:nowrap}
.kline-table td:last-child .d-flex{gap:6px}
@media (max-width:992px){
  .kline-table td:last-child .d-flex{flex-direction:column;align-items:stretch}
}