:root{--bg:#08090d;--card:#141924;--side:#0b0d14;--line:#1f2738;--blue:#00e5ff;--pink:#ff007f;--gold:#ffd700;--mut:#a0aec0}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:#c9d1d9;font-family:'Segoe UI',Tahoma,sans-serif;display:flex;min-height:100vh}
a{color:var(--blue);text-decoration:none}
.sidebar{width:260px;background:var(--side);height:100vh;position:fixed;left:0;top:0;border-right:1px solid var(--line);z-index:100;display:flex;flex-direction:column;transition:.3s}
.sidebar-header{padding:26px 20px 18px;text-align:center;border-bottom:1px solid rgba(255,255,255,.05)}
.sidebar-header h2{color:var(--blue);margin:8px 0 0;text-shadow:0 0 10px rgba(0,229,255,.3);letter-spacing:1px}
.side-user{padding:12px 25px;color:var(--gold);font-weight:700;border-bottom:1px solid rgba(255,255,255,.05);word-break:break-all}
.sidebar-menu{list-style:none;padding:0;margin:16px 0;flex-grow:1;overflow-y:auto}
.sidebar-menu li a{color:var(--mut);padding:14px 25px;display:block;font-weight:700;border-left:3px solid transparent;transition:.25s}
.sidebar-menu li a:hover,.sidebar-menu li a.active{background:rgba(0,229,255,.06);color:#fff;border-left-color:var(--blue)}
.sidebar-menu li a.out{color:var(--pink)}
.main-content{margin-left:260px;padding:34px;width:calc(100% - 260px);min-width:0}
.page-title{color:var(--blue);text-transform:uppercase;font-weight:900;margin:0 0 6px;text-shadow:0 0 10px rgba(0,229,255,.4)}
.page-sub{color:var(--mut);margin:0 0 24px}
.card{background:var(--card);border:1px solid var(--line);border-radius:15px;padding:24px;margin-bottom:20px;box-shadow:0 10px 30px rgba(0,0,0,.4)}
.card h3{margin:0 0 10px;color:#fff}
.bal{color:var(--gold);font-weight:900;font-size:30px;text-shadow:0 0 10px rgba(255,215,0,.4)}
.btn{display:inline-block;background:linear-gradient(45deg,var(--blue),var(--pink));color:#fff;font-weight:800;border:0;padding:11px 20px;border-radius:8px;cursor:pointer;transition:.3s}
.btn:hover{transform:scale(1.03);box-shadow:0 0 15px var(--blue);color:#fff}
.btn.ghost{background:transparent;border:1px solid var(--line);color:var(--mut)}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}
.tile{display:block;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:18px;color:#fff;font-weight:700;transition:.25s}
.tile:hover{border-color:var(--blue);box-shadow:0 0 14px rgba(0,229,255,.2)}
.tile small{display:block;color:var(--mut);font-weight:400;margin-top:4px}
.note{border:1px dashed var(--blue);background:rgba(0,229,255,.05);border-radius:12px;padding:16px;color:#cfe}
table{width:100%;border-collapse:collapse}
th,td{padding:11px 10px;text-align:left;border-bottom:1px solid var(--line);font-size:14px}
th{color:var(--mut);font-weight:600}
.plus{color:#2ecc71;font-weight:700}.minus{color:#ff6b81;font-weight:700}
.empty{color:var(--mut);text-align:center;padding:26px}
.mobile-header{display:none;background:var(--side);padding:14px;position:fixed;top:0;left:0;width:100%;z-index:1000;border-bottom:1px solid var(--line);align-items:center;gap:12px}
.menu-btn{font-size:24px;color:var(--blue);cursor:pointer}.mh-title{color:var(--blue)}
.overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:99}.overlay.active{display:block}
@media(max-width:768px){
 .mobile-header{display:flex}
 .sidebar{transform:translateX(-100%)}.sidebar.open{transform:translateX(0)}
 .main-content{margin-left:0;width:100%;padding:74px 16px 24px}
}

.sec-title{color:#fff;font-size:20px;margin:26px 0 14px}
.svc-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:16px;margin-bottom:22px}
.svc{position:relative;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:22px 18px;transition:.25s}
.svc:hover{border-color:var(--blue);box-shadow:0 0 16px rgba(0,229,255,.2);transform:translateY(-2px)}
.svc .badge{position:absolute;top:12px;right:12px;background:rgba(255,215,0,.12);color:var(--gold);border:1px solid rgba(255,215,0,.35);border-radius:20px;padding:2px 10px;font-size:11px;font-weight:700}
.svc-ic{font-size:34px;margin-bottom:8px}
.svc h4{margin:0 0 6px;color:#fff;font-size:17px}
.svc p{margin:0 0 14px;color:var(--mut);font-size:13.5px;line-height:1.5;min-height:60px}
.btn.off{background:#1b2232;color:var(--mut);cursor:not-allowed;font-size:13px;padding:9px 16px}
.btn.off:hover{transform:none;box-shadow:none;color:var(--mut)}

/* ===== Hieu ung nen ===== */
body{background:radial-gradient(1200px 600px at 80% -10%,rgba(0,229,255,.10),transparent 60%),radial-gradient(900px 600px at -10% 110%,rgba(255,0,127,.10),transparent 60%),var(--bg)}
.bg-fx{position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden;
  background-image:linear-gradient(rgba(0,229,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(0,229,255,.045) 1px,transparent 1px);
  background-size:46px 46px;-webkit-mask-image:radial-gradient(ellipse at 60% 30%,#000 25%,transparent 80%);mask-image:radial-gradient(ellipse at 60% 30%,#000 25%,transparent 80%)}
.orb{position:fixed;border-radius:50%;filter:blur(90px);opacity:.35;animation:float 16s ease-in-out infinite;pointer-events:none}
.o1{width:380px;height:380px;background:#00e5ff;top:-120px;right:8%}
.o2{width:340px;height:340px;background:#ff007f;bottom:-120px;left:22%;animation-delay:-6s}
.o3{width:260px;height:260px;background:#7c4dff;top:45%;right:-80px;animation-delay:-11s}
@keyframes float{0%,100%{transform:translate(0,0) scale(1)}50%{transform:translate(40px,-50px) scale(1.12)}}
.sidebar,.main-content,.mobile-header{position:relative;z-index:2}
.sidebar{position:fixed;background:rgba(11,13,20,.82);backdrop-filter:blur(10px)}
.mobile-header{position:fixed}

/* ===== Hero ===== */
.hero{position:relative;text-align:center;padding:46px 20px 38px;margin-bottom:26px;border:1px solid var(--line);border-radius:22px;
  background:linear-gradient(135deg,rgba(0,229,255,.08),rgba(255,0,127,.07));overflow:hidden;box-shadow:0 20px 50px rgba(0,0,0,.45)}
.hero::after{content:"";position:absolute;top:0;left:-60%;width:40%;height:100%;background:linear-gradient(100deg,transparent,rgba(255,255,255,.07),transparent);animation:shine 6s ease-in-out infinite}
@keyframes shine{0%{left:-60%}60%,100%{left:130%}}
.hero-tag{display:inline-block;padding:5px 14px;border:1px solid rgba(0,229,255,.4);border-radius:30px;color:var(--blue);font-size:12px;font-weight:800;letter-spacing:1.5px;background:rgba(0,229,255,.07)}
.hero-title{margin:16px 0 10px;font-size:clamp(40px,7vw,72px);font-weight:900;letter-spacing:3px;color:#fff;text-shadow:0 0 25px rgba(0,229,255,.45)}
.hero-title span{background:linear-gradient(45deg,var(--blue),var(--pink));-webkit-background-clip:text;background-clip:text;color:transparent;text-shadow:none;filter:drop-shadow(0 0 14px rgba(255,0,127,.5))}
.hero-sub{color:#b8c4d6;font-size:16px;line-height:1.7;margin:0 0 24px}
.hero-stats{display:flex;justify-content:center;gap:14px;flex-wrap:wrap}
.hero-stats div{min-width:130px;padding:12px 18px;border:1px solid var(--line);border-radius:14px;background:rgba(8,9,13,.55)}
.hero-stats b{display:block;color:var(--gold);font-size:22px;font-weight:900;text-shadow:0 0 10px rgba(255,215,0,.35)}
.hero-stats small{color:var(--mut)}

/* ===== The dich vu dep hon ===== */
.sec-title{display:flex;align-items:center;gap:10px}
.sec-title::after{content:"";flex:1;height:1px;background:linear-gradient(90deg,var(--line),transparent)}
.svc{background:linear-gradient(160deg,rgba(20,25,36,.95),rgba(14,17,26,.95));overflow:hidden}
.svc::before{content:"";position:absolute;inset:0;border-radius:14px;padding:1px;background:linear-gradient(135deg,rgba(0,229,255,.5),transparent 40%,rgba(255,0,127,.5));-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;opacity:0;transition:.3s;pointer-events:none}
.svc:hover::before{opacity:1}
.svc-ic{width:58px;height:58px;display:flex;align-items:center;justify-content:center;border-radius:16px;background:linear-gradient(135deg,rgba(0,229,255,.18),rgba(255,0,127,.18));border:1px solid var(--line);font-size:30px;margin-bottom:12px;box-shadow:0 0 18px rgba(0,229,255,.15)}
.card,.tile{backdrop-filter:blur(6px)}
.note{background:rgba(0,229,255,.06);animation:pulse 3.5s ease-in-out infinite}
@keyframes pulse{0%,100%{box-shadow:0 0 0 rgba(0,229,255,0)}50%{box-shadow:0 0 22px rgba(0,229,255,.18)}}

/* ===== Nut Zalo ho tro ===== */
.zalo-fab{position:fixed;right:22px;bottom:22px;z-index:900;display:flex;align-items:center;gap:10px;padding:8px 18px 8px 8px;border-radius:40px;background:linear-gradient(135deg,#0068ff,#00b2ff);color:#fff;font-weight:800;box-shadow:0 8px 26px rgba(0,104,255,.5);transition:.25s;animation:zpulse 2.4s infinite}
.zalo-fab:hover{transform:translateY(-3px) scale(1.04);color:#fff}
.zalo-fab .zl{width:40px;height:40px;border-radius:50%;background:#fff;color:#0068ff;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:900}
.zalo-fab b{font-size:14px}
@keyframes zpulse{0%{box-shadow:0 8px 26px rgba(0,104,255,.5),0 0 0 0 rgba(0,178,255,.55)}70%{box-shadow:0 8px 26px rgba(0,104,255,.5),0 0 0 16px rgba(0,178,255,0)}100%{box-shadow:0 8px 26px rgba(0,104,255,.5),0 0 0 0 rgba(0,178,255,0)}}
@media(max-width:768px){.hero{padding:32px 14px 26px}.zalo-fab{right:14px;bottom:14px}.zalo-fab b{display:none}.zalo-fab{padding:6px}.orb{opacity:.25}}
@media(prefers-reduced-motion:reduce){.orb,.hero::after,.note,.zalo-fab{animation:none}}

/* ===== Thong ke truy cap ===== */
.sidebar{overflow-y:auto}
.stats-widget{margin:auto 14px 16px;padding:12px 14px;border:1px solid var(--line);border-radius:12px;background:rgba(0,229,255,.04)}
.stats-item{display:flex;justify-content:space-between;align-items:center;gap:8px;font-size:13px;color:var(--mut);padding:5px 0}
.stats-item b{color:var(--gold);font-weight:800}
#onlineVal{color:#2dff9a}
.online-dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:#2dff9a;margin-right:6px;box-shadow:0 0 8px #2dff9a;animation:blink 1.6s infinite}
@keyframes blink{50%{opacity:.3}}