:root{
  --bg:#070b17;--bg-2:#0d1326;--panel:rgba(17,25,48,.78);--panel-solid:#121a31;
  --line:rgba(148,163,184,.14);--text:#edf4ff;--muted:#8fa2c4;--primary:#7c5cff;
  --cyan:#2dd4bf;--blue:#38bdf8;--danger:#fb7185;--warning:#fbbf24;
  --shadow:0 24px 70px rgba(0,0,0,.32);--radius:20px
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;min-height:100vh;font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif;background:
radial-gradient(circle at 12% 0,rgba(124,92,255,.18),transparent 30rem),
radial-gradient(circle at 88% 8%,rgba(56,189,248,.12),transparent 28rem),var(--bg);color:var(--text);line-height:1.55}
body:before{content:"";position:fixed;inset:0;pointer-events:none;opacity:.18;background-image:linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);background-size:38px 38px;mask-image:linear-gradient(to bottom,#000,transparent 85%)}
a{color:inherit}
.topbar{height:72px;background:rgba(7,11,23,.75);backdrop-filter:blur(22px);color:#fff;display:flex;align-items:center;justify-content:space-between;padding:0 26px;position:sticky;top:0;z-index:50;border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:12px;font-size:16px;font-weight:800;letter-spacing:.02em}
.brand-mark{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;background:linear-gradient(135deg,var(--primary),var(--blue));box-shadow:0 8px 30px rgba(124,92,255,.35);font-size:18px}
.brand-copy small{display:block;color:var(--muted);font-size:10px;letter-spacing:.18em;text-transform:uppercase;font-weight:700}
.user{display:flex;align-items:center;gap:10px;font-size:13px}
.user-chip{display:flex;align-items:center;gap:9px;padding:7px 12px 7px 8px;border:1px solid var(--line);background:rgba(255,255,255,.04);border-radius:999px}
.avatar{width:29px;height:29px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,#2dd4bf,#38bdf8);color:#04111c;font-weight:900}
.icon-btn,.menu-btn{width:38px;height:38px;border:1px solid var(--line);border-radius:11px;background:rgba(255,255,255,.04);color:var(--text);cursor:pointer;font-size:16px}
.menu-btn{display:none}.logout{color:var(--muted);text-decoration:none;padding:8px 10px;border-radius:10px}.logout:hover{color:#fff;background:rgba(255,255,255,.06)}
.layout{display:flex;min-height:calc(100vh - 72px)}
.sidebar{width:244px;flex:0 0 244px;background:rgba(10,15,30,.56);min-height:calc(100vh - 72px);border-right:1px solid var(--line);padding:20px 14px;position:sticky;top:72px;height:calc(100vh - 72px);overflow:auto}
.nav-label{padding:8px 13px;color:#5f7194;font-size:10px;font-weight:800;letter-spacing:.16em;text-transform:uppercase}
.sidebar a{display:flex;align-items:center;gap:11px;padding:11px 13px;margin:4px 0;color:#91a3c5;text-decoration:none;border-radius:12px;font-size:14px;font-weight:600;transition:.2s ease}
.sidebar a:before{content:"";width:7px;height:7px;border:1.5px solid currentColor;border-radius:3px;transform:rotate(45deg);opacity:.7}
.sidebar a:hover{color:#fff;background:rgba(124,92,255,.10);transform:translateX(2px)}
.sidebar a.active{color:#fff;background:linear-gradient(90deg,rgba(124,92,255,.24),rgba(56,189,248,.08));box-shadow:inset 3px 0 var(--primary)}
.sidebar a.active:before{background:var(--cyan);border-color:var(--cyan);box-shadow:0 0 12px var(--cyan)}
.main{flex:1;min-width:0;padding:30px;max-width:1600px;margin:0 auto}
h1,h2,h3{line-height:1.2;letter-spacing:-.025em}h2{margin:0 0 22px;font-size:27px}h3{margin:0 0 17px;font-size:17px}
.card{position:relative;background:linear-gradient(145deg,rgba(22,31,58,.86),rgba(12,18,36,.82));border:1px solid var(--line);border-radius:var(--radius);padding:21px;margin-bottom:18px;box-shadow:var(--shadow);backdrop-filter:blur(16px);overflow:hidden}
.card:after{content:"";position:absolute;inset:0;pointer-events:none;background:linear-gradient(120deg,rgba(255,255,255,.04),transparent 28%)}
.grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.grid>.card{min-height:126px;margin-bottom:0;display:flex;flex-direction:column;justify-content:center}
.grid+.card{margin-top:18px}
.grid>.card:nth-child(4n+1){--accent:var(--primary)}.grid>.card:nth-child(4n+2){--accent:var(--cyan)}.grid>.card:nth-child(4n+3){--accent:var(--blue)}.grid>.card:nth-child(4n+4){--accent:var(--warning)}
.grid>.card:before{content:"";position:absolute;width:90px;height:90px;right:-28px;top:-28px;border-radius:50%;background:var(--accent);filter:blur(38px);opacity:.18}
.metric{font-size:30px;font-weight:850;margin-top:8px;letter-spacing:-.04em;color:#fff}.muted{color:var(--muted);font-size:13px}
.btn{position:relative;z-index:1;display:inline-flex;align-items:center;justify-content:center;gap:7px;border:1px solid transparent;background:linear-gradient(135deg,var(--primary),#5b7cff);color:#fff;padding:10px 15px;border-radius:11px;text-decoration:none;cursor:pointer;font-size:14px;font-weight:700;box-shadow:0 8px 24px rgba(124,92,255,.22);transition:.2s ease}
.btn:hover{transform:translateY(-2px);filter:brightness(1.08)}.btn.gray{background:#293551;border-color:var(--line);box-shadow:none}.btn.red{background:linear-gradient(135deg,#e11d48,var(--danger));box-shadow:none}.btn.green{background:linear-gradient(135deg,#059669,var(--cyan));color:#031712;box-shadow:0 8px 24px rgba(45,212,191,.18)}.btn.small{padding:6px 10px;font-size:12px;border-radius:8px}
input,select,textarea{width:100%;padding:11px 12px;border:1px solid #283553;border-radius:11px;background:rgba(5,10,24,.65);color:var(--text);font-size:14px;outline:none;transition:.2s}input:focus,select:focus,textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(124,92,255,.14);background:#0b1225}select option{background:#11192f}label{display:block;margin:11px 0 6px;font-weight:700;font-size:13px;color:#c4d0e5}
.form-row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.table{width:100%;border-collapse:separate;border-spacing:0;background:transparent;font-size:14px}.table th,.table td{border-bottom:1px solid var(--line);padding:13px 12px;text-align:left;vertical-align:middle}.table th{color:#7184a8;background:rgba(255,255,255,.025);font-size:11px;text-transform:uppercase;letter-spacing:.06em;font-weight:800}.table tr:last-child td{border-bottom:0}.table tr:hover td{background:rgba(124,92,255,.045)}
.alert{padding:13px 15px;border:1px solid;border-radius:12px;margin-bottom:16px}.alert.success{background:rgba(16,185,129,.10);color:#6ee7b7;border-color:rgba(16,185,129,.24)}.alert.error{background:rgba(244,63,94,.10);color:#fda4af;border-color:rgba(244,63,94,.24)}
.login{max-width:440px;margin:7vh auto;padding:32px}.login:before{content:"";display:block;width:54px;height:5px;border-radius:5px;background:linear-gradient(90deg,var(--primary),var(--cyan));margin-bottom:25px;box-shadow:0 0 28px var(--primary)}.login h2{font-size:30px}.login .btn{width:100%;padding:12px}
.stock-box{white-space:pre-wrap;background:#060a14;color:#9fffe9;border:1px solid rgba(45,212,191,.18);border-radius:13px;padding:15px;line-height:1.7;font-family:"SFMono-Regular",Consolas,monospace}.actions{display:flex;gap:8px;flex-wrap:wrap}.search{display:flex;gap:9px;align-items:end}.badge{display:inline-flex;align-items:center;padding:4px 9px;border-radius:99px;background:rgba(124,92,255,.14);color:#c4b8ff;border:1px solid rgba(124,92,255,.2);font-size:11px;font-weight:700}
.board{max-width:900px!important;margin:32px auto!important;padding:18px!important}.board .amount{color:var(--cyan)!important}.board .rank{color:#c4b8ff}
body.light{--bg:#eef2ff;--panel:rgba(255,255,255,.86);--panel-solid:#fff;--line:rgba(50,65,95,.12);--text:#172036;--muted:#66738d;--shadow:0 20px 55px rgba(58,70,110,.12);background:radial-gradient(circle at 10% 0,rgba(124,92,255,.14),transparent 30rem),#eef2ff}
body.light .topbar{background:rgba(244,247,255,.82);color:#172036}.light .sidebar{background:rgba(245,247,255,.62)}.light .card{background:linear-gradient(145deg,rgba(255,255,255,.94),rgba(245,247,255,.84))}.light .metric,.light .sidebar a.active{color:#172036}.light input,.light select,.light textarea{background:#fff;color:#172036;border-color:#d9def0}.light .stock-box{background:#172036}.light select option{background:#fff}.light .logout:hover{color:#172036}
@media(max-width:1050px){.grid{grid-template-columns:repeat(2,minmax(0,1fr))}.main{padding:24px}}
@media(max-width:780px){.topbar{height:64px;padding:0 14px}.brand-copy small,.user-chip span{display:none}.layout{min-height:calc(100vh - 64px)}.menu-btn{display:block}.sidebar{position:fixed;z-index:45;top:64px;left:0;width:260px;height:calc(100vh - 64px);min-height:0;transform:translateX(-105%);transition:.25s;background:#0b1122;box-shadow:20px 0 60px rgba(0,0,0,.35)}body.nav-open .sidebar{transform:translateX(0)}.light .sidebar{background:#f7f8ff}.main{padding:18px 13px}.grid,.form-row{grid-template-columns:1fr}.table{min-width:620px}.card{overflow-x:auto;border-radius:16px;padding:17px}.topbar .logout{display:none}.search{align-items:stretch;flex-direction:column}h2{font-size:23px}}
@media(max-width:420px){.icon-btn{display:none}.topbar{gap:8px}.brand{font-size:14px}}