:root{--background:#070715;--bg-card:#0c0b20;--bg-elevated:#151433;--border:#ffffff12;--primary:#6c3ff5;--primary-glow:#6c3ff559;--primary-light:#a855f7;--text-primary:#fff;--text-secondary:#a0a0c5;--text-muted:#606085;--success:#10b981;--success-glow:#10b98133;--danger:#ef4444;--danger-glow:#ef444433;--warning:#eab308;--font-family:"Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-family);background-color:var(--background);color:var(--text-primary);-webkit-font-smoothing:antialiased;overflow-x:hidden}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--background)}::-webkit-scrollbar-thumb{background:var(--bg-elevated);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--border)}.auth-container{background:radial-gradient(circle,#15103a 0%,#070715 100%);justify-content:center;align-items:center;min-height:100vh;padding:20px;display:flex}.auth-card{background-color:var(--bg-card);border:1px solid var(--border);width:100%;max-width:440px;box-shadow:0 20px 40px #00000080, 0 0 40px var(--primary-glow);text-align:center;border-radius:20px;padding:40px}.auth-logo{margin-bottom:10px;font-size:48px}.auth-title{color:var(--text-primary);letter-spacing:.5px;font-size:28px;font-weight:800}.auth-subtitle{color:var(--text-secondary);margin-top:6px;margin-bottom:30px;font-size:14px}.app-layout{height:100vh;display:flex;overflow:hidden}.sidebar{background-color:var(--bg-card);border-right:1px solid var(--border);flex-direction:column;flex-shrink:0;justify-content:space-between;width:260px;padding:24px;display:flex;overflow:hidden}.sidebar>div:first-child{flex-direction:column;flex:1;min-height:0;display:flex}.sidebar-brand{flex-shrink:0;align-items:center;gap:12px;margin-bottom:36px;display:flex}.brand-emoji{font-size:28px}.brand-name{letter-spacing:.5px;background:linear-gradient(90deg,#fff,#a855f7);-webkit-text-fill-color:transparent;-webkit-background-clip:text;font-size:20px;font-weight:800}.sidebar-nav{flex-direction:column;flex-grow:1;gap:8px;min-height:0;padding-right:4px;display:flex;overflow-y:auto}.nav-item{color:var(--text-secondary);cursor:pointer;border:1px solid #0000;border-radius:10px;flex-shrink:0;align-items:center;gap:12px;padding:12px 16px;font-size:14px;font-weight:600;text-decoration:none;transition:all .2s;display:flex}.nav-item:hover{color:var(--text-primary);background-color:#ffffff05}.nav-item.active{color:var(--text-primary);background-color:#6c3ff526;border-color:#6c3ff54d;box-shadow:0 0 15px #6c3ff526}.nav-item-emoji{font-size:18px}.sidebar-footer{border-top:1px solid var(--border);flex-shrink:0;padding-top:16px}.main-wrapper{flex-direction:column;flex-grow:1;display:flex;overflow:hidden}.header{background-color:var(--bg-card);border-bottom:1px solid var(--border);flex-shrink:0;justify-content:space-between;align-items:center;height:70px;padding:0 32px;display:flex}.header-title{font-size:22px;font-weight:700}.header-profile{align-items:center;gap:16px;display:flex}.admin-badge{color:#a855f7;text-transform:uppercase;letter-spacing:.5px;background-color:#6c3ff526;border:1px solid #6c3ff54d;border-radius:6px;padding:4px 10px;font-size:11px;font-weight:700}.content-body{background-color:var(--background);flex-grow:1;padding:32px;overflow-y:auto}.stats-grid{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px;margin-bottom:30px;display:grid}.stat-card{background-color:var(--bg-card);border:1px solid var(--border);border-radius:16px;padding:24px;transition:transform .2s,box-shadow .2s;position:relative;overflow:hidden}.stat-card:hover{transform:translateY(-2px);box-shadow:0 10px 20px #0000004d}.stat-header{color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px;justify-content:space-between;align-items:center;margin-bottom:12px;font-size:13px;font-weight:600;display:flex}.stat-icon{opacity:.8;font-size:24px}.stat-value{color:var(--text-primary);font-size:28px;font-weight:800}.stat-glow-bar{height:3px;position:absolute;top:0;left:0;right:0}.dashboard-sections{grid-template-columns:2fr 1fr;gap:24px;display:grid}.section-card{background-color:var(--bg-card);border:1px solid var(--border);border-radius:16px;margin-bottom:24px;padding:24px}.section-header{justify-content:space-between;align-items:center;margin-bottom:20px;display:flex}.section-title{color:var(--text-primary);font-size:18px;font-weight:700}.form-input{background-color:var(--bg-elevated);border:1px solid var(--border);width:100%;color:var(--text-primary);font-size:14px;font-family:var(--font-family);border-radius:8px;outline:none;padding:10px 14px;transition:border-color .2s}.form-input:focus{border-color:var(--primary);box-shadow:0 0 10px #6c3ff533}.form-label{color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px;margin-bottom:6px;font-size:12px;font-weight:600;display:block}.form-group{margin-bottom:20px}.btn{cursor:pointer;font-size:14px;font-weight:600;font-family:var(--font-family);border:1px solid #0000;border-radius:8px;outline:none;align-items:center;gap:8px;padding:10px 20px;transition:all .2s;display:inline-flex}.btn-primary{background-color:var(--primary);color:#fff;box-shadow:0 4px 12px #6c3ff533}.btn-primary:hover{background-color:#5b31d8;box-shadow:0 4px 16px #6c3ff566}.btn-danger{background-color:var(--danger);color:#fff}.btn-danger:hover{background-color:#d32f2f}.btn-secondary{background-color:var(--bg-elevated);border-color:var(--border);color:var(--text-secondary)}.btn-secondary:hover{color:var(--text-primary);background-color:var(--border)}.btn-sm{border-radius:6px;padding:6px 12px;font-size:12px}.table-container{width:100%;overflow-x:auto}.admin-table{border-collapse:collapse;text-align:left;width:100%}.admin-table th{text-transform:uppercase;color:var(--text-secondary);border-bottom:1px solid var(--border);letter-spacing:.5px;padding:16px;font-size:11px;font-weight:700}.admin-table td{color:var(--text-primary);border-bottom:1px solid var(--border);vertical-align:middle;padding:16px;font-size:14px}.admin-table tbody tr:hover{background-color:#ffffff04}.pagination{justify-content:space-between;align-items:center;margin-top:24px;display:flex}.pagination-info{color:var(--text-secondary);font-size:13px}.pagination-controls{gap:8px;display:flex}.switch{width:44px;height:22px;display:inline-block;position:relative}.switch input{opacity:0;width:0;height:0}.slider{cursor:pointer;background-color:var(--bg-elevated);border:1px solid var(--border);border-radius:34px;transition:all .3s;position:absolute;inset:0}.slider:before{content:"";background-color:var(--text-secondary);border-radius:50%;width:14px;height:14px;transition:all .3s;position:absolute;bottom:3px;left:3px}input:checked+.slider{background-color:var(--primary);border-color:#6c3ff54d}input:checked+.slider:before{background-color:#fff;transform:translate(22px)}.badge-status{text-transform:capitalize;border-radius:6px;padding:4px 8px;font-size:12px;font-weight:600}.badge-success{color:var(--success);background-color:#10b98126}.badge-danger{color:var(--danger);background-color:#ef444426}.badge-warning{color:var(--warning);background-color:#eab30826}.top-lessons-list{flex-direction:column;gap:16px;display:flex}.top-lesson-item{background-color:var(--bg-elevated);border:1px solid var(--border);border-radius:8px;justify-content:space-between;align-items:center;padding:12px;display:flex}.top-lesson-info{flex-direction:column;gap:4px;display:flex}.top-lesson-title{font-size:14px;font-weight:600}.top-lesson-meta{color:var(--text-secondary);font-size:11px}.top-lesson-count{color:var(--primary-light);font-size:16px;font-weight:800}.recent-users-feed{flex-direction:column;gap:12px;display:flex}.recent-user-item{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding-bottom:12px;display:flex}.recent-user-item:last-child{border-bottom:none}.recent-user-avatar{background-color:var(--bg-elevated);border:1px solid var(--border);border-radius:50%;justify-content:center;align-items:center;width:36px;height:36px;font-size:16px;display:flex}.recent-user-detail{flex-grow:1;margin-left:12px}.recent-user-name{font-size:13px;font-weight:600}.recent-user-email{color:var(--text-secondary);font-size:11px}.recent-user-time{color:var(--text-muted);font-size:10px}.create-grid{grid-template-columns:2fr 1fr;gap:32px;display:grid}.form-card{background-color:var(--bg-card);border:1px solid var(--border);border-radius:16px;padding:30px}.questions-container{flex-direction:column;gap:16px;display:flex}.question-builder-card{background-color:var(--bg-elevated);border:1px solid var(--border);border-radius:10px;padding:20px;position:relative}.question-delete-btn{cursor:pointer;opacity:.6;color:var(--danger);background:0 0;border:none;font-size:16px;transition:opacity .2s;position:absolute;top:15px;right:15px}.question-delete-btn:hover{opacity:1}.options-builder-grid{grid-template-columns:repeat(2,1fr);gap:12px;margin-top:12px;display:grid}.option-builder-item{align-items:center;gap:8px;display:flex}.checkbox-round{border:1px solid var(--border);appearance:none;cursor:pointer;border-radius:50%;outline:none;justify-content:center;align-items:center;width:18px;height:18px;display:flex}.checkbox-round:checked{background-color:var(--success);border-color:var(--success)}.checkbox-round:checked:after{content:"✓";color:#fff;font-size:11px;font-weight:700}.badges-grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px;display:grid}.badge-card{background-color:var(--bg-card);border:1px solid var(--border);border-radius:16px;gap:20px;padding:24px;display:flex;position:relative}.badge-card-icon{background-color:var(--bg-elevated);border:1px solid var(--border);border-radius:12px;flex-shrink:0;justify-content:center;align-items:center;width:60px;height:60px;font-size:30px;display:flex}.badge-card-content{flex-grow:1}.badge-card-title{margin-bottom:4px;font-size:16px;font-weight:700}.badge-card-desc{color:var(--text-secondary);margin-bottom:8px;font-size:12px;line-height:16px}.badge-card-meta{color:var(--text-muted);font-size:11px;font-weight:600}.notifications-layout{grid-template-columns:1fr 1fr;gap:24px;display:grid}@media (width<=1024px){.notifications-layout{grid-template-columns:1fr}}.template-pill{background:var(--bg-elevated);border:1px solid var(--border);color:var(--text-secondary);cursor:pointer;border-radius:20px;align-items:center;gap:6px;padding:6px 14px;font-size:12px;font-weight:600;transition:all .2s;display:inline-flex}.template-pill:hover{background:var(--primary);color:#fff;border-color:var(--primary);transform:translateY(-1px)}.test-console-box{color:#38bdf8;background-color:#05040d;border:1px solid #6c3ff54d;border-radius:12px;max-height:250px;margin-top:16px;padding:16px;font-family:monospace;font-size:12px;overflow-y:auto}.session-card{background:var(--bg-card);border:1px solid var(--border);border-radius:14px;margin-bottom:12px;padding:16px;transition:border-color .2s}.session-card:hover{border-color:var(--primary-glow)}