:root{--blue:#0866FF;--bg:#F0F2F5;--card:#fff;--border:#E4E6EB;--text:#050505;--text2:#65676B;--radius:12px}
*{box-sizing:border-box} body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif}
a{color:inherit;text-decoration:none}
.meta-app{display:flex;min-height:100vh}
.meta-sidebar{width:300px;background:#fff;border-right:1px solid var(--border);position:fixed;left:0;top:0;bottom:0;z-index:30;overflow-y:auto;display:flex;flex-direction:column;transition:transform .3s cubic-bezier(.4,0,.2,1)}
.meta-sidebar-brand{padding:18px 16px;display:flex;align-items:center;gap:12px;border-bottom:1px solid var(--border);position:sticky;top:0;background:#fff;z-index:10}
.meta-sidebar-logo{width:44px;height:44px;background:linear-gradient(135deg,#0A1931,#0866FF);color:#fff;border-radius:12px;display:flex;align-items:center;justify-content:center;font-weight:900;font-size:22px;box-shadow:0 4px 12px rgba(8,102,255,.25)}
.meta-nav{padding:12px;display:flex;flex-direction:column;gap:4px}
.meta-nav a{display:flex;align-items:center;gap:10px;padding:11px 12px;border-radius:999px;font-size:14px;background:#F0F2F5;font-weight:500;transition:.2s cubic-bezier(.4,0,.2,1)}
.meta-nav a:hover{transform:translateX(3px);background:#E4E6EB}
.meta-nav a.active{background:#E7F3FF;color:#0866FF;font-weight:700;box-shadow:inset 0 0 0 1px rgba(8,102,255,.2)}
.meta-nav a .ico{width:28px;height:28px;background:#fff;border-radius:8px;display:flex;align-items:center;justify-content:center;box-shadow:0 1px 2px rgba(0,0,0,.06);font-size:15px}
.meta-main{margin-left:300px;flex:1;display:flex;flex-direction:column;min-height:100vh;transition:margin .3s}
.meta-topbar{height:64px;background:rgba(255,255,255,.88);backdrop-filter:blur(16px) saturate(180%);border-bottom:1px solid var(--border);display:flex;align-items:center;gap:12px;padding:0 16px;position:sticky;top:0;z-index:20}
.meta-hamburger{width:40px;height:40px;border-radius:10px;border:1px solid var(--border);background:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:18px}
.meta-topbar-logo{display:flex;align-items:center;gap:10px;font-weight:900;font-size:18px;letter-spacing:-.2px}
.meta-topbar-logo .lg{width:34px;height:34px;background:linear-gradient(135deg,#0A1931,#0866FF);color:#fff;border-radius:9px;display:flex;align-items:center;justify-content:center;font-weight:900}
.meta-search{flex:1;max-width:520px;background:#fff;border:1px solid var(--border);border-radius:24px;padding:10px 14px;display:flex;gap:10px;align-items:center;box-shadow:0 1px 2px rgba(0,0,0,.04);transition:.2s}
.meta-search:focus-within{border-color:#0866FF;box-shadow:0 0 0 4px rgba(8,102,255,.15)}
.meta-search input{border:0;outline:0;width:100%;font-size:14px;background:transparent}
.meta-topbar-actions{margin-left:auto;display:flex;gap:8px;align-items:center}
.meta-icon-btn{width:40px;height:40px;border-radius:12px;border:1px solid var(--border);background:#fff;display:flex;align-items:center;justify-content:center;position:relative;cursor:pointer;transition:.2s}
.meta-icon-btn:hover{background:#F0F2F5}
.meta-icon-btn .dot{position:absolute;top:6px;right:7px;width:8px;height:8px;background:#FF3B30;border-radius:50%;border:2px solid #fff}
.meta-user{width:40px;height:40px;background:linear-gradient(135deg,#0A1931,#0866FF);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:800;box-shadow:0 2px 8px rgba(8,102,255,.35);cursor:pointer}
.meta-content{padding:24px;max-width:1440px;width:100%;margin:0 auto}
.meta-card{background:var(--card);border:1px solid var(--border);border-radius:12px;box-shadow:0 1px 3px rgba(0,0,0,.06);padding:18px;transition:all .3s cubic-bezier(.4,0,.2,1)}
.meta-card:hover{box-shadow:0 8px 28px rgba(0,0,0,.09);transform:translateY(-2px)}
.meta-kpi{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:16px 0}
.meta-kpi .meta-card{text-align:center;padding:20px 16px}
.meta-kpi .num{font-size:42px;font-weight:900;letter-spacing:-1px;line-height:1}
.meta-kpi .label{color:var(--text2);font-size:13px;margin-top:4px;font-weight:500}
.meta-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.45);backdrop-filter:blur(2px);z-index:25}.meta-overlay.show{display:block}
@media(max-width:1024px){.meta-sidebar{transform:translateX(-100%)}.meta-sidebar.show{transform:translateX(0)}.meta-main{margin-left:0}.meta-kpi{grid-template-columns:repeat(2,1fr)}}