:root{
  --bg:#0a1020;--bg2:#111b35;--panel:rgba(14,22,43,.9);--panel2:rgba(20,31,59,.95);--line:rgba(255,255,255,.09);--text:#edf3ff;--muted:#9aabd5;--red:#ff4d57;--blue:#5b8cff;--green:#17c684;--gold:#ffcd57;
}
*{box-sizing:border-box}html,body{margin:0;padding:0;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:radial-gradient(circle at top,#16274f 0,#0c1430 35%,#090f1f 100%);color:var(--text)}
a{text-decoration:none;color:inherit}img{max-width:100%;display:block}button,input,select,textarea{font:inherit}
.container{width:min(1240px,94%);margin:0 auto}.muted{color:var(--muted)}
.mobile-header{display:none;position:sticky;top:0;z-index:40;padding:14px 16px;backdrop-filter:blur(18px);background:rgba(7,12,25,.8);border-bottom:1px solid var(--line);justify-content:space-between;align-items:center}.mobile-brand{display:flex;align-items:center;gap:10px;font-weight:800}.mobile-brand img{width:34px;height:34px;border-radius:10px;object-fit:cover}.menu-toggle{border:none;background:#172544;color:#fff;border-radius:12px;padding:10px 12px;font-size:18px;cursor:pointer}
.btn{display:inline-flex;align-items:center;justify-content:center;border:none;border-radius:14px;padding:12px 18px;background:linear-gradient(135deg,var(--red),#ff6a54);color:#fff;font-weight:800;cursor:pointer;box-shadow:0 10px 30px rgba(255,77,87,.18)}.btn.secondary{background:linear-gradient(135deg,#243965,#182849);box-shadow:none}.btn.success{background:linear-gradient(135deg,#12b774,#169d82)}.btn.warn{background:linear-gradient(135deg,#efb525,#d78616)}.btn.block{width:100%}
.card{background:linear-gradient(180deg,var(--panel),var(--panel2));border:1px solid var(--line);border-radius:24px;padding:24px;box-shadow:0 24px 70px rgba(0,0,0,.32)}
.grid{display:grid;gap:18px}.grid-2{grid-template-columns:1.15fr .85fr}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}
.hero{display:grid;grid-template-columns:280px 1fr;gap:20px;padding:26px 0}.left-nav{background:linear-gradient(180deg,#101932,#0d1630);border:1px solid var(--line);border-radius:26px;padding:24px;min-height:calc(100vh - 52px);position:sticky;top:20px;z-index:25}.left-nav .avatar{width:74px;height:74px;border-radius:22px;background:linear-gradient(135deg,#1a2b52,#243b6a);display:grid;place-items:center;font-weight:800;font-size:28px;margin-bottom:12px;overflow:hidden}.left-nav .avatar img{width:100%;height:100%;object-fit:cover}.left-nav nav{display:grid;gap:6px}.left-nav nav a{display:block;padding:12px 14px;border-radius:14px;color:#d8ddff}.left-nav nav a:hover,.left-nav nav a.active{background:#142142;color:#fff}.content{display:grid;gap:18px}.top-header{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.mini-card{background:#101935;border:1px solid var(--line);padding:18px;border-radius:18px}.mini-card strong{display:block;font-size:28px;margin-top:8px}
.announce-list{display:grid;gap:12px}.announce-item{padding:16px 18px;background:rgba(255,255,255,.03);border-radius:18px;border:1px solid var(--line)}
.order-layout{display:grid;grid-template-columns:1.4fr 1fr;gap:18px}.field{display:grid;gap:8px;margin-bottom:14px}.field input,.field select,.field textarea{width:100%;padding:14px 16px;border-radius:14px;background:#0a1123;color:#fff;border:1px solid #ffffff18}.field textarea{min-height:140px;resize:vertical}.flash{padding:12px 14px;border-radius:12px;margin-bottom:12px}.flash.success{background:#11351f;color:#9df2a8}.flash.error{background:#3b1221;color:#ffbcc8}.flash.info{background:#11263b;color:#9ed0ff}
.product-meta{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:10px}.product-meta span{padding:8px 12px;border-radius:999px;background:#122140;border:1px solid var(--line)}.product-desc{font-size:15px;line-height:1.7}.product-details{margin-top:10px;line-height:1.7}.total-box{display:flex;justify-content:space-between;align-items:center;padding:14px 16px;border-radius:16px;background:#0e1730;border:1px dashed #39538a}
.auth-wrap{min-height:100vh;display:grid;place-items:center;padding:24px}.auth-card{width:min(480px,94vw)}
.admin-body{background:#090f1f}.admin-layout{display:grid;grid-template-columns:270px 1fr;min-height:100vh}.sidebar{background:#0d1630;border-right:1px solid var(--line);padding:20px;position:sticky;top:0;height:100vh;z-index:30}.sidebar .brand{font-size:22px;font-weight:900;margin-bottom:18px}.sidebar nav{display:grid;gap:4px}.sidebar nav a{display:block;padding:12px 14px;border-radius:14px;color:#d5dbff}.sidebar nav a:hover{background:#151f43}.admin-main{padding:20px}.topbar{display:flex;gap:12px;justify-content:flex-end;margin-bottom:18px}.topbar-between{justify-content:space-between;align-items:center}.topbar-stats{display:flex;gap:12px;flex-wrap:wrap}.topbar-stats>div{padding:10px 14px;background:#111633;border:1px solid var(--line);border-radius:14px}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.stat-card{padding:18px;border-radius:18px;background:linear-gradient(180deg,#131938,#0e1332);border:1px solid var(--line)}.stat-card .num{font-size:28px;font-weight:900;margin-top:10px}
.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse;min-width:760px}th,td{padding:12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}th{color:#cbd4ff}.badge{display:inline-block;padding:6px 10px;border-radius:999px;background:#1a2148}.badge.processing,.badge.open,.badge.pending{background:#3a2b12;color:#ffd991}.badge.completed,.badge.paid,.badge.replied,.badge.active{background:#103223;color:#98efbe}.badge.cancelled,.badge.banned,.badge.closed{background:#361421;color:#ffbec9}
.section-title{font-size:24px;font-weight:900;margin:0 0 14px}.mb16{margin-bottom:16px}.mb24{margin-bottom:24px}.mobile-only{display:none}
.profile-head{display:flex;gap:16px;align-items:center}.profile-head .avatar{width:86px;height:86px;border-radius:24px;background:#162443;overflow:hidden;display:grid;place-items:center;font-size:32px;font-weight:900}.profile-head .avatar img{width:100%;height:100%;object-fit:cover}.user-shell{display:grid;grid-template-columns:240px 1fr;gap:18px}.user-menu{display:grid;gap:8px}.user-menu a{display:block;padding:12px 14px;border-radius:14px;background:#111a34;border:1px solid var(--line)}.user-panels{display:grid;gap:18px}.panel-title{margin:0 0 12px;font-size:20px}.qr-box{display:grid;justify-items:center;gap:12px;padding:18px;border-radius:18px;background:#fff;color:#111}.qr-box img{width:220px;height:220px}.info-list{display:grid;gap:10px}.info-line{display:flex;justify-content:space-between;gap:10px;padding:12px 14px;border-radius:14px;background:#0f1731;border:1px solid var(--line)}
@media (max-width: 1100px){.top-header,.stat-grid,.grid-4,.grid-3{grid-template-columns:repeat(2,1fr)}.order-layout,.grid-2,.user-shell{grid-template-columns:1fr}}
@media (max-width: 980px){.mobile-header{display:flex}.hero,.admin-layout{grid-template-columns:1fr}.left-nav,.sidebar{position:fixed;left:12px;right:12px;top:68px;min-height:auto;height:auto;display:none}.left-nav.open,.sidebar.open{display:block}.left-nav{z-index:30}.sidebar{z-index:40}.mobile-only{display:inline-flex}.top-header{grid-template-columns:1fr 1fr}.admin-main{padding-top:10px}}
@media (max-width: 640px){.container{width:min(94%,94%)}.top-header,.stat-grid{grid-template-columns:1fr}.card{padding:16px;border-radius:20px}.topbar-stats{display:grid;grid-template-columns:1fr}.profile-head{align-items:flex-start;flex-direction:column}table{min-width:680px}}