*{margin:0;padding:0;box-sizing:border-box}
:root{--bg:#2C2D34;--sidebar:#202127;--card:#34353D;--border:rgba(255,255,255,.08);--text:#fff;--muted:#A9ABB5;--blue:#0177D2;--purple:#5C2F92;--gradient:linear-gradient(135deg,#0177D2,#5C2F92);--green:#27C98B}
body{font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--text);min-height:100vh}
a{text-decoration:none;color:inherit}button,input,select{font-family:inherit}
.app{display:flex;min-height:100vh}.sidebar{width:260px;background:var(--sidebar);border-right:1px solid var(--border);display:flex;flex-direction:column;position:fixed;inset:0 auto 0 0;z-index:100;padding:24px 16px}
.logo{display:flex;align-items:center;gap:12px;padding:0 10px 24px}.logo-icon,.stat-icon,.quick-icon{width:42px;height:42px;border-radius:12px;background:var(--gradient);display:flex;align-items:center;justify-content:center}
.logo-title{font-size:18px;font-weight:700}.logo-subtitle{color:var(--muted);font-size:11px;margin-top:2px}
.menu{display:flex;flex-direction:column;gap:6px;margin-top:20px}.menu-item{height:48px;padding:0 15px;display:flex;align-items:center;gap:14px;border-radius:10px;color:var(--muted);transition:.2s}.menu-item i{width:20px;text-align:center}.menu-item:hover{background:rgba(255,255,255,.05);color:#fff}.menu-item.active{background:var(--gradient);color:#fff}
.sidebar-bottom{margin-top:auto}.user-mini{display:flex;align-items:center;gap:10px;padding:15px 8px;border-top:1px solid var(--border)}.avatar,.top-avatar{width:38px;height:38px;border-radius:50%;background:var(--gradient);display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700}.user-info{display:flex;flex-direction:column;min-width:0}.user-info strong{font-size:13px}.user-info small{color:var(--muted);font-size:11px;margin-top:2px}
.logout-btn{width:100%;height:42px;background:transparent;border:1px solid var(--border);border-radius:8px;color:var(--muted);cursor:pointer;display:flex;align-items:center;justify-content:center;gap:8px}.logout-btn:hover{color:#fff;background:rgba(255,255,255,.04)}
.main{margin-left:260px;width:calc(100% - 260px);min-height:100vh}.topbar{height:82px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 32px}.topbar h1{font-size:22px;margin-bottom:4px}.topbar p{color:var(--muted);font-size:13px}.topbar-right{display:flex;align-items:center;gap:20px}.notification{position:relative;font-size:18px;color:var(--muted)}.notification span{position:absolute;width:6px;height:6px;border-radius:50%;background:var(--blue);top:0;right:0}.mobile-menu{display:none;border:0;background:transparent;color:#fff;font-size:20px}
.content{padding:32px}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.stat-card{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:20px;display:flex;gap:15px;align-items:center}.stat-icon{width:50px;height:50px}.stat-info{display:flex;flex-direction:column}.stat-info span{color:var(--muted);font-size:12px}.stat-info strong{font-size:27px;margin:2px 0}.stat-info small{color:var(--muted);font-size:10px}
.card{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:24px}.dashboard-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:18px;margin-top:18px}.card-header{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:25px}.card-header h2{font-size:17px;margin-bottom:5px}.card-header p{color:var(--muted);font-size:12px}.header-icon{color:var(--muted);font-size:20px}
.hours-display{display:flex;align-items:center;justify-content:center;gap:35px;margin:20px 0 30px}.circle-progress{width:145px;height:145px;border-radius:50%;background:conic-gradient(#0177D2 var(--progress),#45464F 0);display:flex;align-items:center;justify-content:center}.circle-inner{width:112px;height:112px;border-radius:50%;background:var(--card);display:flex;flex-direction:column;align-items:center;justify-content:center}.circle-inner strong{font-size:32px}.circle-inner span{color:var(--muted);font-size:12px}.hours-details{display:flex;flex-direction:column;gap:14px;font-size:12px;color:var(--muted)}.hours-details div{display:grid;grid-template-columns:10px 80px auto;align-items:center;gap:6px}.hours-details strong{color:#fff}.dot{width:7px;height:7px;border-radius:50%}.dot.blue{background:#0177D2}.dot.purple{background:#5C2F92}.dot.gray{background:#666873}
.primary-btn{background:var(--gradient);color:#fff;border:0;border-radius:9px;min-height:43px;padding:0 18px;display:inline-flex;align-items:center;justify-content:center;gap:8px;font-size:13px;font-weight:600;cursor:pointer;transition:.2s}.primary-btn:hover{transform:translateY(-1px);box-shadow:0 8px 20px rgba(1,119,210,.2)}.primary-btn:disabled{opacity:.65;cursor:wait}
.key-list{display:flex;flex-direction:column}.key-row{display:flex;align-items:center;gap:12px;padding:14px 0;border-bottom:1px solid var(--border)}.key-row:last-child{border-bottom:0}.key-icon{width:38px;height:38px;flex-shrink:0;border-radius:9px;background:rgba(1,119,210,.12);color:#43A5FF;display:flex;align-items:center;justify-content:center;font-size:14px}.activated-icon{background:rgba(39,201,139,.12);color:var(--green)}.key-data{flex:1;display:flex;flex-direction:column;gap:4px;min-width:0}.key-data strong{font-size:12px;letter-spacing:.3px}.key-data span{color:var(--muted);font-size:10px}.badge{padding:5px 9px;border-radius:20px;font-size:10px;font-weight:600}.badge.unused{color:#55AFFF;background:rgba(1,119,210,.12)}.badge.activated{color:var(--green);background:rgba(39,201,139,.12)}
.quick-action{margin-top:18px;background:var(--card);border:1px solid var(--border);border-radius:14px;padding:20px 24px;display:flex;align-items:center;gap:15px}.quick-action>div:nth-child(2){flex:1}.quick-icon{width:45px;height:45px}.quick-action h3{font-size:14px;margin-bottom:4px}.quick-action p{font-size:11px;color:var(--muted)}
.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}.page-header h2{font-size:20px;margin-bottom:5px}.page-header p{color:var(--muted);font-size:12px}.view-all,.table-action{color:#55AFFF;font-size:12px;font-weight:600}
.filter-bar{display:flex;justify-content:space-between;gap:15px;margin-bottom:15px}.search-box{width:350px;height:43px;border:1px solid var(--border);background:var(--card);border-radius:9px;display:flex;align-items:center;padding:0 14px;gap:10px;color:var(--muted)}.search-box input{flex:1;border:0;outline:0;background:transparent;color:#fff;font-size:12px}.filter-bar select{height:43px;background:var(--card);color:#fff;border:1px solid var(--border);border-radius:9px;padding:0 14px;outline:none}
.table-card{padding:0;overflow:hidden}.table-wrapper{overflow-x:auto}table{width:100%;border-collapse:collapse;min-width:850px}th{text-align:left;padding:16px 20px;color:var(--muted);font-size:10px;text-transform:uppercase;letter-spacing:.5px;background:rgba(0,0,0,.08)}td{padding:16px 20px;border-top:1px solid var(--border);font-size:12px;color:var(--muted)}.table-key{display:flex;align-items:center;gap:10px}.table-key strong{color:#fff;font-size:12px}.disabled-action{color:var(--muted);font-size:11px}
.activate-container{max-width:850px;margin:30px auto;display:grid;grid-template-columns:1.3fr .7fr;gap:18px}.activate-card{text-align:center;padding:40px}.activate-icon{width:70px;height:70px;border-radius:20px;background:var(--gradient);display:flex;align-items:center;justify-content:center;font-size:27px;margin:0 auto 20px}.activate-card h2{font-size:22px;margin-bottom:8px}.activate-description{color:var(--muted);font-size:12px;line-height:1.7;max-width:500px;margin:0 auto 30px}.activate-card form{text-align:left}.activate-card label,.login-form label{display:block;font-size:12px;font-weight:600;margin-bottom:8px}.key-input{height:52px;background:rgba(0,0,0,.15);border:1px solid var(--border);border-radius:10px;display:flex;align-items:center;padding:0 16px;gap:12px}.key-input:focus-within{border-color:var(--blue);box-shadow:0 0 0 3px rgba(1,119,210,.1)}.key-input i{color:var(--muted)}.key-input input{flex:1;height:100%;background:transparent;border:0;outline:0;color:#fff;font-size:14px;letter-spacing:1px}.activate-btn{width:100%;margin-top:15px}.activate-message{display:none;margin-top:15px;padding:12px;border-radius:8px;font-size:12px;text-align:left}.activate-message.success{display:block;background:rgba(39,201,139,.1);color:var(--green)}.activate-message.error{display:block;background:rgba(239,68,68,.1);color:#ff7272}.help-box{margin-top:25px;padding:15px;background:rgba(1,119,210,.06);border:1px solid rgba(1,119,210,.15);border-radius:10px;display:flex;gap:12px;text-align:left}.help-box>i{color:#55AFFF;margin-top:2px}.help-box strong{font-size:12px}.help-box p{color:var(--muted);font-size:10px;line-height:1.6;margin-top:4px}.balance-card{align-self:start}.balance-number{display:flex;align-items:baseline;gap:8px;margin:25px 0}.balance-number strong{font-size:48px}.balance-number span{color:var(--muted);font-size:13px}.progress-bar{width:100%;height:7px;background:#484952;border-radius:10px;overflow:hidden}.progress{height:100%;background:var(--gradient);border-radius:10px}
.login-page{display:flex;align-items:center;justify-content:center;padding:20px}.login-card{width:min(430px,100%);background:var(--card);border:1px solid var(--border);border-radius:16px;padding:35px}.login-card h1{text-align:center;font-size:24px;margin-bottom:8px}.login-card>p{text-align:center;color:var(--muted);font-size:12px;line-height:1.6;margin-bottom:25px}.login-form{display:flex;flex-direction:column;gap:8px}.login-form input{height:46px;margin-bottom:10px;border:1px solid var(--border);background:rgba(0,0,0,.15);color:#fff;border-radius:9px;padding:0 14px;outline:none}.login-form input:focus{border-color:var(--blue)}.login-form .primary-btn{margin-top:8px}.demo-note{text-align:center;color:var(--muted);font-size:11px;margin-top:20px}
@media(max-width:1100px){.stats-grid{grid-template-columns:repeat(2,1fr)}.dashboard-grid{grid-template-columns:1fr}}
@media(max-width:768px){.sidebar{transform:translateX(-100%);transition:.25s}.sidebar.open{transform:translateX(0)}.main{margin-left:0;width:100%}.mobile-menu{display:block}.topbar{padding:0 18px;gap:15px}.topbar>div:first-of-type{flex:1}.content{padding:18px}.stats-grid{grid-template-columns:1fr}.quick-action{flex-wrap:wrap}.page-header{align-items:flex-start;gap:15px;flex-direction:column}.filter-bar{flex-direction:column}.search-box{width:100%}.activate-container{grid-template-columns:1fr;margin:0}.activate-card{padding:28px 20px}}
@media(max-width:480px){.top-avatar{display:none}.topbar h1{font-size:18px}.hours-display{flex-direction:column}.quick-action .primary-btn{width:100%}}
.package-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.package-card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:26px;text-align:center;position:relative;overflow:hidden}.package-card:before{content:"";position:absolute;inset:0 0 auto;height:3px;background:var(--gradient)}.package-icon{width:54px;height:54px;border-radius:15px;background:rgba(1,119,210,.12);color:#55AFFF;display:flex;align-items:center;justify-content:center;margin:0 auto 18px;font-size:21px}.package-name{font-size:17px;font-weight:700}.package-keys{font-size:38px;font-weight:800;margin-top:12px}.package-keys span{font-size:12px;color:var(--muted);font-weight:500}.package-hours{color:var(--muted);font-size:11px}.package-price{font-size:24px;font-weight:800;margin:18px 0 8px}.package-card p{color:var(--muted);font-size:11px;line-height:1.6;min-height:35px;margin-bottom:20px}.package-card .primary-btn{width:100%}.purchase-note{margin-top:18px;display:flex;gap:14px;align-items:flex-start}.purchase-note>i{color:#55AFFF;font-size:20px}.purchase-note strong{font-size:13px}.purchase-note p{font-size:11px;color:var(--muted);margin-top:4px}.badge.pending{color:#F2C94C;background:rgba(242,201,76,.1)}.badge.paid{color:var(--green);background:rgba(39,201,139,.12)}.badge.failed,.badge.cancelled{color:#ff7272;background:rgba(239,68,68,.1)}.result-card{max-width:620px;margin:50px auto;text-align:center;padding:45px}.result-icon{width:72px;height:72px;border-radius:50%;background:rgba(1,119,210,.12);color:#55AFFF;display:flex;align-items:center;justify-content:center;font-size:28px;margin:0 auto 20px}.result-icon.success{background:rgba(39,201,139,.12);color:var(--green)}.result-icon.error{background:rgba(239,68,68,.1);color:#ff7272}.result-card h2{font-size:23px;margin-bottom:10px}.result-card p{color:var(--muted);font-size:12px;line-height:1.8;margin-bottom:25px}.order-number{display:inline-block;padding:8px 12px;border:1px solid var(--border);border-radius:8px;color:var(--muted);font-size:11px;margin-bottom:20px}
@media(max-width:1000px){.package-grid{grid-template-columns:1fr 1fr}}@media(max-width:680px){.package-grid{grid-template-columns:1fr}}

/* Buy Key dashboard-style layout */
.secondary-btn{height:43px;padding:0 16px;border:1px solid var(--border);background:var(--card);border-radius:9px;color:#fff;display:inline-flex;align-items:center;justify-content:center;gap:8px;font-size:12px;font-weight:600;transition:.2s}.secondary-btn:hover{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.14)}
.buy-page-header{margin-bottom:22px}.buy-summary-grid{display:grid;grid-template-columns:1fr 1fr 1.7fr;gap:18px;margin-bottom:28px}.buy-info-card{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:20px;display:flex;align-items:center;gap:15px}.buy-info-icon{width:50px;height:50px;flex-shrink:0;border-radius:12px;background:rgba(39,201,139,.1);color:var(--green);display:flex;align-items:center;justify-content:center;font-size:20px}.buy-info-card strong{font-size:14px}.buy-info-card p{color:var(--muted);font-size:11px;line-height:1.6;margin-top:4px}.section-title{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}.section-title h3{font-size:16px;margin-bottom:4px}.section-title span{font-size:11px;color:var(--muted)}
.dashboard-package-grid{grid-template-columns:repeat(3,1fr);gap:18px}.dashboard-package{padding:22px;text-align:left;min-height:355px;display:flex;flex-direction:column}.dashboard-package:before{height:2px}.dashboard-package.featured{border-color:rgba(92,47,146,.65);box-shadow:0 12px 35px rgba(0,0,0,.12)}.popular-badge{position:absolute;top:13px;right:13px;padding:5px 8px;border-radius:20px;background:rgba(92,47,146,.2);color:#BFA4E8;font-size:8px;font-weight:800;letter-spacing:.6px}.package-top{display:flex;align-items:center;gap:13px;margin-bottom:22px}.dashboard-package .package-icon{margin:0;width:48px;height:48px;border-radius:12px}.package-name-wrap{min-width:0}.dashboard-package .package-name{font-size:15px}.package-subtitle{color:var(--muted);font-size:10px;margin-top:3px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.package-main-stat{display:flex;align-items:baseline;gap:9px;padding-bottom:18px;border-bottom:1px solid var(--border)}.package-main-stat strong{font-size:42px;line-height:1;font-weight:800}.package-main-stat span{color:var(--muted);font-size:11px}.package-features{display:flex;flex-direction:column;gap:11px;padding:18px 0;flex:1}.package-features div{display:flex;align-items:center;gap:9px;color:var(--muted);font-size:10px}.package-features i{color:var(--green);font-size:11px}.package-bottom{border-top:1px solid var(--border);padding-top:18px;display:flex;align-items:center;justify-content:space-between;gap:12px}.package-bottom .package-price{margin:0;font-size:21px;line-height:1.2}.package-bottom .package-price small{font-size:10px;color:var(--muted);font-weight:600}.package-per-key{color:var(--muted);font-size:9px;margin-top:4px}.package-bottom .primary-btn{min-height:40px;padding:0 13px;font-size:11px;white-space:nowrap}.buy-note{margin-top:18px}.buy-note>i{color:#55AFFF}
@media(max-width:1050px){.buy-summary-grid{grid-template-columns:1fr 1fr}.buy-info-card{grid-column:1/-1}.dashboard-package-grid{grid-template-columns:1fr 1fr}}@media(max-width:700px){.buy-summary-grid{grid-template-columns:1fr}.buy-info-card{grid-column:auto}.dashboard-package-grid{grid-template-columns:1fr}.buy-page-header .secondary-btn{width:100%}.package-bottom{align-items:flex-end}.dashboard-package{min-height:auto}}

/* Learning content + server timer */
.learning-hero{min-height:430px;background:linear-gradient(145deg,rgba(1,119,210,.13),rgba(92,47,146,.14));border:1px solid var(--border);border-radius:20px;padding:55px 25px;text-align:center;display:flex;flex-direction:column;align-items:center;justify-content:center;position:relative;overflow:hidden}.learning-hero:after{content:"";position:absolute;width:420px;height:420px;border-radius:50%;border:1px solid rgba(255,255,255,.04);top:-230px;right:-150px}.learning-hero-icon{width:78px;height:78px;border-radius:24px;background:var(--gradient);display:flex;align-items:center;justify-content:center;font-size:30px;margin-bottom:18px;box-shadow:0 15px 40px rgba(1,119,210,.18)}.learning-kicker{font-size:10px;letter-spacing:2px;color:#6cbcff;font-weight:800}.learning-hero h2{font-size:34px;margin:12px 0 10px}.learning-hero>p{max-width:600px;color:var(--muted);font-size:13px;line-height:1.8}.learning-balance{margin:25px 0;display:flex;align-items:center;gap:13px;padding:12px 20px;background:rgba(0,0,0,.14);border:1px solid var(--border);border-radius:13px;text-align:left}.learning-balance i{font-size:20px;color:#55AFFF}.learning-balance span{display:block;color:var(--muted);font-size:9px;text-transform:uppercase;letter-spacing:.6px}.learning-balance strong{display:block;font-size:22px;letter-spacing:1px;margin-top:2px}.start-learning-btn{min-width:210px;height:54px;border:0;border-radius:12px;background:var(--gradient);color:#fff;font-size:14px;font-weight:800;cursor:pointer;box-shadow:0 12px 28px rgba(1,119,210,.18);transition:.2s}.start-learning-btn:hover:not(:disabled){transform:translateY(-2px)}.start-learning-btn:disabled{opacity:.55;cursor:not-allowed}.learning-note{color:var(--muted);font-size:10px;margin-top:12px}.learning-warning{color:#ff8b8b;font-size:11px;margin-top:12px}.lesson-preview-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:20px}.lesson-preview-card{display:flex;align-items:flex-start;gap:15px;padding:20px}.lesson-number{width:40px;height:40px;border-radius:11px;background:rgba(1,119,210,.1);color:#55AFFF;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:800;flex-shrink:0}.lesson-preview-card h3{font-size:13px;margin-bottom:6px}.lesson-preview-card p{font-size:10px;color:var(--muted);line-height:1.7}.lesson-shell{max-width:980px;margin:0 auto}.lesson-timer-bar{position:sticky;top:0;z-index:20;background:rgba(44,45,52,.94);backdrop-filter:blur(12px);border:1px solid var(--border);border-radius:14px;padding:10px 14px;display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:18px}.lesson-timer-bar>div:first-child{display:flex;align-items:center;gap:8px;font-size:11px;font-weight:700}.lesson-timer-bar>div:first-child i{color:#35d99c}.lesson-timer{font-size:20px;font-weight:900;letter-spacing:1.5px}.end-learning-btn{height:36px;padding:0 13px;border-radius:8px;border:1px solid rgba(239,68,68,.25);background:rgba(239,68,68,.08);color:#ff8585;font-size:10px;font-weight:700;cursor:pointer}.lesson-content{padding:45px;line-height:1.85}.lesson-content h2{font-size:30px;margin:10px 0}.lesson-lead{font-size:14px;color:var(--muted);max-width:780px}.lesson-content h3{font-size:17px;margin:30px 0 8px}.lesson-content p{font-size:12px;color:var(--muted)}.lesson-progress{height:5px;background:#484952;border-radius:8px;overflow:hidden;margin-bottom:28px}.lesson-progress span{display:block;height:100%;background:var(--gradient);border-radius:8px}.lesson-callout,.lesson-complete{display:flex;gap:14px;align-items:flex-start;padding:18px;margin:25px 0;background:rgba(1,119,210,.06);border:1px solid rgba(1,119,210,.15);border-radius:12px}.lesson-callout>i,.lesson-complete>i{color:#55AFFF;font-size:20px;margin-top:3px}.lesson-callout strong,.lesson-complete strong{font-size:12px}.lesson-callout p,.lesson-complete p{font-size:10px;margin-top:3px}.example-box{margin:18px 0;padding:22px;border-radius:12px;background:rgba(0,0,0,.16);border:1px solid var(--border)}.example-box span{display:block;color:#55AFFF;font-size:8px;font-weight:800;letter-spacing:1px;margin-bottom:8px}.example-box strong{font-size:20px}.example-box p{margin-top:6px}.lesson-complete{background:rgba(39,201,139,.06);border-color:rgba(39,201,139,.14)}.lesson-complete>i{color:var(--green)}
@media(max-width:800px){.lesson-preview-grid{grid-template-columns:1fr}.lesson-content{padding:25px}.lesson-timer-bar{border-radius:10px}.lesson-timer{font-size:17px}.end-learning-btn{padding:0 9px}.learning-hero h2{font-size:27px}}