:root{color:#e2e8f0;--gold-main:#f59e0b;--gold-light:#fef08a;--gold-gradient:linear-gradient(135deg, #f59e0b 0%, #fbbf24 50%, #d97706 100%);--red-gradient:linear-gradient(135deg, #b91c1c 0%, #dc2626 50%, #ef4444 100%);background:#060913;font-family:Be Vietnam Pro,system-ui,-apple-system,sans-serif}*{box-sizing:border-box;margin:0;padding:0}body{color:#e2e8f0;background:#060913;min-height:100vh;margin:0}.shell{min-height:100vh;display:flex}aside{background:#0b1120;border-right:1px solid #f59e0b33;flex-direction:column;flex-shrink:0;width:260px;padding:24px 16px;transition:transform .3s;display:flex}aside .logo-area{border-bottom:1px solid #ffffff14;align-items:center;gap:12px;margin-bottom:24px;padding-bottom:18px;display:flex}aside .logo-area h2{background:var(--gold-gradient);-webkit-text-fill-color:transparent;-webkit-background-clip:text;font-size:1.15rem;font-weight:900;line-height:1.2}aside .logo-area small{color:#94a3b8;letter-spacing:1px;font-size:.72rem}nav{gap:6px;display:grid}nav button{color:#94a3b8;text-align:left;cursor:pointer;white-space:nowrap;background:0 0;border:1px solid #0000;border-radius:8px;align-items:center;gap:10px;padding:12px 14px;font-size:.92rem;font-weight:600;transition:all .2s;display:flex}nav button:hover{color:#fff;background:#ffffff0d}nav button.active{color:var(--gold-light);background:linear-gradient(135deg,#f59e0b33,#dc262633);border-color:#f59e0b73;box-shadow:0 4px 15px #f59e0b33}.logout-btn{color:#f87171;cursor:pointer;background:#ef44441f;border:1px solid #ef44444d;border-radius:8px;justify-content:center;align-items:center;gap:6px;margin-top:auto;padding:11px;font-weight:700;transition:all .2s;display:flex}.logout-btn:hover{color:#fff;background:#ef444440}.content{flex:1;width:100%;max-width:1440px;padding:28px 36px;overflow-x:hidden}header{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;margin-bottom:26px;display:flex}header h1{color:#f8fafc;margin-top:4px;font-size:clamp(1.4rem,2.2vw,1.85rem);font-weight:800}header small{color:var(--gold-main);text-transform:uppercase;letter-spacing:1.5px;font-size:.78rem;font-weight:700}.header-right{align-items:center;gap:12px;display:flex}.admin-badge{color:var(--gold-light);white-space:nowrap;background:#f59e0b26;border:1px solid #f59e0b66;border-radius:20px;padding:7px 16px;font-size:.85rem;font-weight:700}.btn-mobile-menu{color:var(--gold-light);cursor:pointer;background:#0f172acc;border:1px solid #f59e0b66;border-radius:8px;padding:8px 12px;font-size:1.2rem;display:none}.cards{grid-template-columns:repeat(4,1fr);gap:18px;margin-bottom:26px;display:grid}.card{background:#0b1120;border:1px solid #f59e0b33;border-radius:14px;padding:20px;position:relative;overflow:hidden;box-shadow:0 10px 25px #00000080}.card:before{content:"";background:var(--gold-gradient);width:4px;height:100%;position:absolute;top:0;left:0}.card small{color:#94a3b8;text-transform:uppercase;letter-spacing:.5px;font-size:.8rem;font-weight:700;display:block}.card strong{color:#fff;white-space:nowrap;margin-top:8px;font-size:1.7rem;font-weight:800;display:block}.panel{background:#0b1120;border:1px solid #ffffff14;border-radius:14px;margin-bottom:24px;padding:22px;box-shadow:0 10px 30px #0009}.panel h2{color:var(--gold-light);margin-bottom:16px;font-size:1.25rem;font-weight:800}.panel-head{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:14px;margin-bottom:18px;display:flex}.panel-head form{flex-wrap:wrap;gap:10px;display:flex}input,select,textarea{color:#f1f5f9;background:#060913;border:1px solid #2d3748;border-radius:8px;outline:none;padding:10px 14px;font-family:inherit;font-size:.92rem;transition:all .2s}input:focus,select:focus,textarea:focus{border-color:var(--gold-main);box-shadow:0 0 12px #f59e0b4d}button.btn-action{cursor:pointer;background:var(--gold-gradient);color:#0c0a09;white-space:nowrap;border:none;border-radius:8px;align-items:center;gap:6px;padding:10px 18px;font-size:.92rem;font-weight:800;transition:all .2s;display:inline-flex}button.btn-action:hover{transform:translateY(-2px);box-shadow:0 6px 20px #f59e0b73}button.btn-action.danger{background:var(--red-gradient);color:#fff}.btn-sm{color:#e2e8f0;cursor:pointer;white-space:nowrap;background:#1e293b;border:1px solid #ffffff1f;border-radius:6px;align-items:center;gap:4px;margin-bottom:4px;margin-right:6px;padding:6px 12px;font-size:.82rem;font-weight:700;transition:all .2s;display:inline-flex}.btn-sm:hover{border-color:var(--gold-main);color:var(--gold-light);transform:translateY(-1px)}.btn-sm.success{color:#4ade80;background:#22c55e26;border-color:#22c55e66}.btn-sm.success:hover{background:#22c55e4d}.btn-sm.danger{color:#f87171;background:#ef444426;border-color:#ef444466}.btn-sm.danger:hover{background:#ef44444d}.table-responsive{-webkit-overflow-scrolling:touch;width:100%;overflow-x:auto}table{border-collapse:collapse;white-space:nowrap;width:100%}th,td{text-align:left;border-top:1px solid #ffffff0f;padding:12px 14px;font-size:.88rem}th{color:var(--gold-light);text-transform:uppercase;letter-spacing:.8px;background:#060913b3;font-size:.78rem;font-weight:800}tr:hover td{background:#ffffff05}.status-tag{letter-spacing:.5px;border-radius:6px;padding:4px 10px;font-size:.76rem;font-weight:800;display:inline-block}.status-tag.active,.status-tag.completed{color:#4ade80;background:#22c55e26;border:1px solid #22c55e4d}.status-tag.pending{color:#fbbf24;background:#f59e0b26;border:1px solid #f59e0b4d}.status-tag.banned,.status-tag.failed{color:#f87171;background:#ef444426;border:1px solid #ef44444d}.notice{color:var(--gold-light);background:#f59e0b26;border:1px solid #f59e0b59;border-radius:8px;align-items:center;gap:10px;margin-bottom:20px;padding:12px 18px;font-size:.92rem;display:flex}.login-screen{background:radial-gradient(circle,#131a2b 0%,#060913 100%);place-items:center;min-height:100vh;padding:20px;display:grid}.login-box{border:2px solid var(--gold-main);background:#0b1120;border-radius:16px;gap:16px;width:100%;max-width:400px;padding:36px 30px;display:grid;box-shadow:0 15px 50px #000c,0 0 30px #f59e0b40}.login-box h1{background:var(--gold-gradient);-webkit-text-fill-color:transparent;text-align:center;-webkit-background-clip:text;font-size:1.6rem;font-weight:900}.login-box p{color:#94a3b8;text-align:center;margin-bottom:8px;font-size:.85rem}.error{color:#fca5a5;background:#ef444426;border:1px solid #ef44444d;border-radius:8px;padding:10px 14px;font-size:.85rem}@media (width<=1024px){.cards{grid-template-columns:repeat(2,1fr)}.content{padding:22px}}@media (width<=860px){.shell{flex-direction:column}aside{border-bottom:1px solid #f59e0b33;border-right:none;width:100%;padding:14px 16px}aside .logo-area{justify-content:space-between;margin-bottom:14px;padding-bottom:12px}.btn-mobile-menu{display:block}nav{-webkit-overflow-scrolling:touch;gap:8px;padding-bottom:6px;display:flex;overflow-x:auto}nav button{flex-shrink:0;padding:9px 14px;font-size:.85rem}.logout-btn{display:none}.content{padding:18px 14px}.cards{grid-template-columns:1fr 1fr;gap:12px}.card{padding:14px}.card strong{font-size:1.35rem}.panel{padding:16px 14px}}@media (width<=480px){.cards{grid-template-columns:1fr}.panel-head{flex-direction:column;align-items:stretch}.panel-head form{flex-direction:column}.panel-head form input,.panel-head form button{width:100%}.btn-sm{padding:5px 8px;font-size:.76rem}}.filter-bar{flex-wrap:wrap;gap:8px;margin-bottom:16px;display:flex}.filter-btn{color:#9ca3af;cursor:pointer;background:#111827;border:1px solid #374151;border-radius:20px;align-items:center;gap:6px;padding:6px 14px;font-size:.82rem;font-weight:700;transition:all .2s;display:inline-flex}.filter-btn:hover{border-color:var(--gold-main);color:#fff}.filter-btn.active{border-color:var(--gold-main);color:var(--gold-light);background:#f59e0b33}.provider-badge{letter-spacing:.5px;text-transform:uppercase;border-radius:4px;padding:3px 8px;font-size:.72rem;font-weight:800;display:inline-block}.provider-badge.viettel{color:#fff;background:#b91c1c}.provider-badge.vina{color:#fff;background:#0284c7}.provider-badge.mobi{color:#fff;background:#0369a1}.provider-badge.zing{color:#fff;background:#15803d}.provider-badge.gate{color:#fff;background:#ea580c}.provider-badge.vietqr{color:#fff;background:#047857}.provider-badge.momo{color:#fff;background:#a21caf}.sect-bars{gap:12px;display:grid}.sect-row{grid-template-columns:180px 1fr 60px;align-items:center;gap:12px;display:grid}@media (width<=600px){.sect-row{grid-template-columns:130px 1fr 40px;font-size:.8rem}}.sect-name{color:#cbd5e1;white-space:nowrap;text-overflow:ellipsis;font-size:.88rem;font-weight:600;overflow:hidden}.sect-bar-bg{background:#1e293b;border-radius:5px;height:10px;overflow:hidden}.sect-bar-fill{background:var(--gold-gradient);border-radius:5px;height:100%;transition:width .6s}.sect-val{text-align:right;color:var(--gold-light);font-size:.88rem;font-weight:700}.grid-2col{grid-template-columns:1fr 1fr;gap:20px;display:grid}@media (width<=900px){.grid-2col{grid-template-columns:1fr}}.code-box{background:#020617;border:1px solid #334155;border-radius:4px;align-items:center;gap:6px;padding:3px 8px;font-family:monospace;font-size:.82rem;display:inline-flex}.btn-copy{color:#94a3b8;cursor:pointer;background:0 0;border:none;padding:0 4px;font-size:.8rem}.btn-copy:hover{color:var(--gold-light)}