:root{--bg:#0f172a;--card:rgba(255,255,255,.06);--ink:#eef2ff;--muted:#a5b0c8;--line:rgba(255,255,255,.12);--brand:#6366f1;--brand2:#a855f7;--ok:#34d399;--warn:#fbbf24;--err:#f87171;--radius:16px;--shadow:0 14px 44px rgba(0,0,0,.35)}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:"PingFang SC","Microsoft YaHei",-apple-system,"Segoe UI",sans-serif;color:var(--ink);font-size:14px;line-height:1.6;background:linear-gradient(135deg,#0f172a 0%,#1e1b4b 46%,#4c1d95 100%);background-attachment:fixed;min-height:100vh}
a{color:#a5b4fc;text-decoration:none}
.auth-body{min-height:100vh;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden;background:#0f172a;padding:24px}
.auth-bg{position:absolute;inset:0;overflow:hidden}
.auth-bg i{position:absolute;border-radius:50%;filter:blur(90px);opacity:.5;animation:drift 20s ease-in-out infinite}
.auth-bg i:nth-child(1){width:480px;height:480px;background:#7c3aed;top:-140px;left:-120px}
.auth-bg i:nth-child(2){width:400px;height:400px;background:#2563eb;bottom:-120px;right:-80px;animation-delay:-7s}
.auth-bg i:nth-child(3){width:280px;height:280px;background:#db2777;top:42%;left:58%;opacity:.32;animation-delay:-13s}
@keyframes drift{0%,100%{transform:translate(0,0) scale(1)}50%{transform:translate(42px,30px) scale(1.08)}}
.auth-particles{position:absolute;inset:0;overflow:hidden;pointer-events:none}
.auth-particles span{position:absolute;bottom:-12px;width:6px;height:6px;border-radius:50%;background:rgba(255,255,255,.55);animation:rise linear infinite}
@keyframes rise{0%{transform:translateY(0);opacity:0}12%{opacity:.8}90%{opacity:.4}100%{transform:translateY(-104vh);opacity:0}}
.auth-card{position:relative;z-index:3;width:min(880px,96vw);display:grid;grid-template-columns:1.05fr 1fr;background:rgba(255,255,255,.08);backdrop-filter:blur(20px);border:1px solid rgba(255,255,255,.16);border-radius:26px;overflow:hidden;box-shadow:0 40px 110px rgba(0,0,0,.5)}
.auth-hero{background:linear-gradient(160deg,rgba(124,58,237,.92),rgba(37,99,235,.88));color:#fff;padding:46px 38px;display:flex;flex-direction:column;justify-content:center}
.auth-hero h1{font-size:30px;line-height:1.35;margin-top:22px}
.auth-hero p{margin-top:12px;font-size:14px;opacity:.92}
.auth-hero ul{margin-top:26px;list-style:none;display:flex;flex-direction:column;gap:13px}
.auth-hero li{display:flex;align-items:center;gap:10px;font-size:14px}
.auth-hero li b{width:22px;height:22px;border-radius:50%;background:rgba(255,255,255,.22);display:flex;align-items:center;justify-content:center;font-size:12px}
.auth-form{padding:46px 40px;background:#fff;color:#1e1b4b;display:flex;flex-direction:column;justify-content:center}
.auth-form h2{font-size:24px}.auth-form .sub{color:#6b7280;font-size:13px;margin:6px 0 22px}
.auth-form label{color:#6b7280;display:block;font-size:13px;margin:12px 0 5px}
.auth-form input[type=text],.auth-form input[type=password]{width:100%;padding:12px 14px;background:#ffffff;border:1px solid #d8dee9;border-radius:11px;color:#111827;font-size:15px;-webkit-text-fill-color:#111827;caret-color:#6366f1}
.auth-form input::placeholder{color:#9ca3af}
.btn-auth{width:100%;margin-top:24px;padding:13px;font-size:15px;background:linear-gradient(135deg,var(--brand),var(--brand2));border:none;border-radius:12px;color:#fff;font-weight:700;cursor:pointer}
.auth-foot{text-align:center;color:#6b7280;font-size:13px;margin-top:20px}
.alert{padding:12px 14px;border-radius:11px;margin-bottom:14px;font-size:13px;border:1px solid var(--line)}
.alert-ok{background:rgba(52,211,153,.14);color:#6ee7b7}.alert-err{background:rgba(248,113,113,.14);color:#fca5a5}
.brand{display:flex;align-items:center;gap:10px;color:#fff}
.brand-logo{width:36px;height:36px;border-radius:10px;background:linear-gradient(135deg,var(--brand),var(--brand2));display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px}
.content{padding:24px;max-width:1180px;margin:0 auto;width:100%;position:relative;z-index:2}
.card{background:var(--card);backdrop-filter:blur(14px);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px;margin-bottom:18px}
.card h3{font-size:16px;margin-bottom:14px}
.grid{display:grid;gap:14px}.grid-4{grid-template-columns:repeat(4,1fr)}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-2{grid-template-columns:repeat(2,1fr)}
@media(max-width:900px){.grid-4,.grid-3{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.grid-4,.grid-3,.grid-2{grid-template-columns:1fr}.auth-card{grid-template-columns:1fr}.auth-hero{display:none}}
.stat{background:var(--card);backdrop-filter:blur(14px);border:1px solid var(--line);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow)}
.stat .num{font-size:30px;font-weight:800;line-height:1.2}.stat .lbl{color:var(--muted);font-size:13px}
.stat.primary{border-left:4px solid var(--brand)}.stat.ok{border-left:4px solid var(--ok)}.stat.warn{border-left:4px solid var(--warn)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:9px 16px;border-radius:11px;border:1px solid transparent;background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;font-size:14px;font-weight:600;cursor:pointer}
.btn:hover{opacity:.92}.btn-sm{padding:5px 10px;font-size:12px;border-radius:9px}
.btn-ghost{background:rgba(255,255,255,.07);color:var(--ink);border-color:var(--line)}
.btn-ok{background:linear-gradient(135deg,#10b981,#34d399)}.btn-warn{background:linear-gradient(135deg,#d97706,#fbbf24)}.btn-err{background:linear-gradient(135deg,#dc2626,#f87171)}
label{display:block;font-size:13px;color:var(--muted);margin:12px 0 5px}
input[type=text],input[type=password],select,textarea{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:11px;font-size:14px;background:rgba(255,255,255,.06);color:var(--ink);font-family:inherit}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(99,102,241,.2)}
select option{background:#1e1b4b;color:#eef2ff}
.table{width:100%;border-collapse:collapse;background:rgba(255,255,255,.04);border-radius:14px;overflow:hidden}
.table th,.table td{padding:11px 12px;text-align:left;border-bottom:1px solid var(--line)}
.table th{background:rgba(255,255,255,.06);color:var(--muted);font-weight:600;font-size:12px;white-space:nowrap}
.table tr:hover td{background:rgba(255,255,255,.05)}
.badge{display:inline-block;padding:3px 9px;border-radius:999px;font-size:12px;font-weight:600}
.badge-ok{background:rgba(52,211,153,.18);color:#6ee7b7}.badge-warn{background:rgba(251,191,36,.18);color:#fcd34d}
.badge-err{background:rgba(248,113,113,.18);color:#fca5a5}.badge-gray{background:rgba(148,163,184,.18);color:#cbd5e1}
.muted{color:var(--muted)}.small{font-size:12px}.right{text-align:right}
.flex{display:flex;gap:10px;align-items:center}.between{justify-content:space-between}.wrap{flex-wrap:wrap}
.mt{margin-top:14px}.mb{margin-bottom:14px}
.admin-wrap{display:flex;min-height:100vh;position:relative;z-index:2}
.sidebar{width:220px;background:rgba(15,23,42,.72);backdrop-filter:blur(18px);border-right:1px solid var(--line);color:#cbd5e1;padding:18px 14px;display:flex;flex-direction:column;gap:18px;position:sticky;top:0;height:100vh}
.sidebar nav{display:flex;flex-direction:column;gap:4px}
.sidebar nav a{padding:10px 12px;border-radius:11px;color:#cbd5e1;font-size:14px}
.sidebar nav a:hover{background:rgba(255,255,255,.08);color:#fff}
.sidebar nav a.on{background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff}
.side-user{margin-top:auto;display:flex;align-items:center;gap:10px;padding:10px;border-top:1px solid var(--line)}
.avatar{width:34px;height:34px;border-radius:50%;background:linear-gradient(135deg,var(--brand),var(--brand2));display:flex;align-items:center;justify-content:center;font-weight:700}
.admin-main{flex:1;min-width:0}
.topbar{height:60px;background:rgba(15,23,42,.55);backdrop-filter:blur(14px);border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 24px;position:sticky;top:0;z-index:5}
.topbar h1{font-size:18px}
.app-bg{position:fixed;inset:0;z-index:-2;overflow:hidden}
.app-bg i{position:absolute;border-radius:50%;filter:blur(100px);opacity:.35;animation:drift 22s ease-in-out infinite}
.app-bg i:nth-child(1){width:520px;height:520px;background:#7c3aed;top:-140px;left:-120px}
.app-bg i:nth-child(2){width:420px;height:420px;background:#2563eb;bottom:-130px;right:-90px;animation-delay:-8s}
.app-particles{position:fixed;inset:0;z-index:-1;pointer-events:none;overflow:hidden}
.app-particles span{position:absolute;bottom:-12px;width:5px;height:5px;border-radius:50%;background:rgba(255,255,255,.35);animation:rise linear infinite}
@media print{.app-bg,.app-particles,.sidebar,.topbar,.btn,form{display:none!important}.content{padding:0}body{background:#fff;color:#111}.card,.stat{background:#fff;border:1px solid #ddd}.table th,.table td{color:#111;border-color:#ddd}}