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.2s;display:flex}.pipeline-step-item.active{background:#eef2ff;border-color:#6366f1}.pipeline-step-item.done{background:#f0fdf4;border-color:#86efac}.source-asset-pill{border-radius:10px;align-items:center;gap:6px;padding:4px 10px;font-size:.78rem;font-weight:700;display:inline-flex}.source-asset-video{color:#b91c1c;background:#fee2e2}.source-asset-book{color:#0369a1;background:#e0f2fe}.source-asset-slide{color:#b45309;background:#fef3c7}.lecturer-input{color:#0f172a;background:#f8fafc;border:2px solid #cbd5e1;border-radius:12px;outline:none;width:100%;padding:10px 14px;font-family:inherit;font-size:.88rem;transition:all .2s}.lecturer-input:focus{background:#fff;border-color:#6366f1;box-shadow:0 0 0 3px #6366f126}.queue-table-wrap{background:#fff;border:1.5px solid #e2e8f0;border-radius:14px;width:100%;margin-top:10px;overflow-x:auto}.queue-table{border-collapse:collapse;width:100%;font-size:.82rem}.queue-table th{color:#475569;text-align:left;background:#f1f5f9;border-bottom:2px solid #e2e8f0;padding:10px 12px;font-weight:800}.queue-table td{color:#1e293b;border-bottom:1px solid #f1f5f9;padding:10px 12px}.pipeline-terminal{color:#38bdf8;background:#0f172a;border:1px solid #1e293b;border-radius:14px;max-height:180px;padding:14px 16px;font-family:Courier New,Courier,monospace;font-size:.76rem;line-height:1.5;overflow-y:auto}.empty-state-box{text-align:center;color:#64748b;background:#f8fafc;border:2px dashed #cbd5e1;border-radius:20px;padding:38px 20px}@media (width<=1100px){.lecturer-workspace-grid{grid-template-columns:1fr}.kids-right-rail{display:none!important}}@media (width<=990px){.tutor-split-grid{gap:16px;grid-template-columns:1fr!important}.tutor-chat-card{height:auto;min-height:480px}.tutor-evidence-card{position:static!important}}@media (width<=768px){body{padding-bottom:0;overflow-x:hidden}.app-playground{width:100%!important;min-width:0!important;max-width:100%!important;padding-bottom:calc(72px + env(safe-area-inset-bottom,0px))!important;flex-direction:column!important;margin:0!important}.kids-sidebar{z-index:1000!important;-webkit-backdrop-filter:blur(12px)!important;backdrop-filter:blur(12px)!important;background:#fffffffa!important;border-bottom:3px solid #d4eeff!important;border-right:none!important;border-radius:0 0 22px 22px!important;flex-direction:row!important;justify-content:space-between!important;align-items:center!important;width:100%!important;height:auto!important;padding:8px 14px!important;position:sticky!important;top:0!important;left:0!important;right:0!important;box-shadow:0 4px 16px #2563eb14!important}.kids-brand{gap:8px!important;margin:0!important;padding:0!important}.mascot-logo-icon{border-radius:10px!important;width:34px!important;height:34px!important;font-size:1.25rem!important;box-shadow:0 2px #cc7800!important}.brand-title-wrap h1{font-size:1.15rem!important;line-height:1!important;display:block!important}.brand-sub{display:none!important}.kids-sidebar>div:last-child{flex-direction:row!important;align-items:center!important;gap:6px!important;width:auto!important;margin-top:0!important;padding-top:0!important}#sidebarLangToggleBtn{border:1.5px solid #cbd5e1!important;border-radius:12px!important;height:34px!important;padding:5px 8px!important;box-shadow:0 2px #cbd5e1!important}#langFlagIcon{font-size:1.2rem!important}#langSwitchText,#langSwitchSub{display:none!important}#langBadgeCode{margin-left:4px!important;padding:1px 5px!important;font-size:.65rem!important;display:inline-block!important}#sidebarRoleToggleBtn{border:1.5px solid #c7d2fe!important;border-radius:12px!important;gap:4px!important;height:34px!important;padding:5px 10px!important;font-size:.76rem!important;box-shadow:0 2px #c7d2fe!important}#roleSwitchIcon{font-size:1.05rem!important}#roleSwitchText{white-space:nowrap!important;font-size:.74rem!important;font-weight:800!important;display:inline-block!important}#studentNavMenu,#lecturerNavMenu{width:100%!important;height:calc(58px + env(safe-area-inset-bottom,0px))!important;-webkit-backdrop-filter:blur(14px)!important;backdrop-filter:blur(14px)!important;padding:4px 6px calc(4px + env(safe-area-inset-bottom,0px)) 6px!important;z-index:9999!important;background:#fffffffa!important;border-top:2px solid #e1f2ff!important;flex-direction:row!important;justify-content:space-around!important;align-items:center!important;gap:4px!important;margin:0!important;position:fixed!important;bottom:0!important;left:0!important;right:0!important;box-shadow:0 -4px 18px #00000014!important}#studentNavMenu li,#lecturerNavMenu li{flex:1!important;justify-content:center!important;height:100%!important;display:flex!important}.kids-nav-btn{text-align:center!important;width:100%!important;height:100%!important;box-shadow:none!important;border:2px solid #0000!important;border-radius:12px!important;flex-direction:column!important;justify-content:center!important;align-items:center!important;gap:2px!important;padding:4px 2px!important}.kids-nav-btn .icon{font-size:1.3rem!important;line-height:1!important}.kids-nav-btn span[data-i18n],.kids-nav-btn span:not(.icon){white-space:nowrap!important;text-overflow:ellipsis!important;max-width:100%!important;font-size:.67rem!important;font-weight:800!important;line-height:1.1!important;display:block!important;overflow:hidden!important}.kids-nav-btn.active{color:var(--kid-blue)!important;background:#eaf7ff!important;border:2px solid #bde7ff!important;box-shadow:0 2px #bde7ff!important}.kids-main-stream,.kids-ai-tutor-view,.kids-practice-view,.kids-progress-view,.lecturer-workspace-view{box-sizing:border-box!important;width:100%!important;max-width:100%!important;margin:0!important;padding:14px 12px 28px!important}.kids-top-stats{-webkit-overflow-scrolling:touch!important;scrollbar-width:none!important;border-radius:18px!important;gap:8px!important;margin-bottom:16px!important;padding:8px 12px!important;display:flex!important;overflow-x:auto!important}.kids-top-stats::-webkit-scrollbar{display:none!important}.stat-pill{white-space:nowrap!important;flex-shrink:0!important;padding:4px 8px!important;font-size:.82rem!important}.cockpit-recommend-card{border-radius:20px!important;margin-bottom:18px!important;padding:16px 14px!important}.cockpit-title{font-size:1.15rem!important;line-height:1.3!important}.cockpit-desc{font-size:.88rem!important;line-height:1.45!important}.cockpit-actions-line{flex-direction:column!important;gap:8px!important;width:100%!important;display:flex!important}.cockpit-actions-line .jelly-btn-3d{justify-content:center!important;width:100%!important;padding:10px 14px!important;font-size:.9rem!important}.kids-world-banner{border-radius:20px!important;flex-direction:column!important;align-items:flex-start!important;gap:12px!important;margin-bottom:20px!important;padding:16px 14px!important}.world-title{font-size:1.25rem!important}.world-desc{font-size:.88rem!important}.btn-play-guide{justify-content:center!important;width:100%!important}.topic-cockpit-card{border-radius:18px!important;flex-direction:column!important;align-items:stretch!important;gap:12px!important;padding:14px 12px!important}.topic-card-left{align-items:flex-start!important;gap:10px!important}.topic-status-icon-box{border-radius:12px!important;width:40px!important;height:40px!important;font-size:1.25rem!important}.topic-title{font-size:1.02rem!important}.topic-card-actions{width:100%!important}.topic-card-actions .jelly-btn-3d{justify-content:center!important;width:100%!important;padding:9px 12px!important;font-size:.88rem!important}.tutor-page-header{border-radius:18px!important;flex-direction:column!important;align-items:stretch!important;gap:10px!important;margin-bottom:14px!important;padding:12px 14px!important}.tutor-header-title-box{align-items:center!important;gap:10px!important}.tutor-header-text h2{font-size:1.15rem!important}.tutor-header-badges{flex-flow:wrap!important;justify-content:flex-start!important;gap:6px!important}.tutor-split-grid{grid-template-columns:1fr!important;gap:16px!important}.tutor-chat-card{border-radius:20px!important;height:calc(100vh - 280px)!important;min-height:400px!important}.chat-dialogue-stream{gap:12px!important;padding:12px!important}.msg-bubble{border-radius:18px!important;max-width:90%!important;padding:10px 14px!important;font-size:.88rem!important}.chat-bottom-control{gap:8px!important;padding:8px 10px!important}.chat-input-bar{border-radius:22px!important;gap:6px!important;min-height:46px!important;padding:4px 6px 4px 12px!important}.chat-input-element{font-size:.88rem!important}#btnSendTutorChat{height:36px!important;padding:0 14px!important;font-size:.84rem!important}.tutor-evidence-card{border-radius:20px!important;padding:14px 12px!important;position:static!important}.evidence-nav-tabs{-webkit-overflow-scrolling:touch!important;scrollbar-width:none!important;overflow-x:auto!important}.evidence-tab-btn{white-space:nowrap!important;flex-shrink:0!important;padding:6px 10px!important;font-size:.78rem!important}.practice-page-header{border-radius:18px!important;flex-direction:column!important;gap:10px!important;margin-bottom:14px!important;padding:12px 14px!important}.practice-header-title-box h2{font-size:1.15rem!important}.practice-header-badges{flex-wrap:wrap!important;gap:6px!important}.practice-nav-tabs{-webkit-overflow-scrolling:touch!important;scrollbar-width:none!important;gap:6px!important;margin-bottom:16px!important;padding:4px 2px!important;display:flex!important;overflow-x:auto!important}.practice-nav-tabs::-webkit-scrollbar{display:none!important}.practice-tab-btn{white-space:nowrap!important;flex-shrink:0!important;padding:7px 11px!important;font-size:.8rem!important}.practice-card-box{border-radius:20px!important;padding:16px 14px!important}.modality-badge-list{flex-direction:column!important;gap:8px!important;display:flex!important}.modality-pill-item{box-sizing:border-box!important;width:100%!important;padding:8px 12px!important;font-size:.82rem!important}.quiz-option-btn{word-break:break-word!important;border-radius:14px!important;width:100%!important;padding:10px 12px!important;font-size:.88rem!important}.progress-nav-tabs{-webkit-overflow-scrolling:touch!important;scrollbar-width:none!important;overflow-x:auto!important}.progress-tab-btn{white-space:nowrap!important;flex-shrink:0!important;padding:6px 10px!important;font-size:.8rem!important}.modal-kids-overlay{padding:12px!important}.modal-kids-card{width:100%!important;max-width:94vw!important;box-shadow:0 8px 0 var(--kid-blue-shadow)!important;border-width:3px!important;border-radius:24px!important;max-height:88vh!important;padding:20px 16px!important}.modal-big-badge{margin-bottom:6px!important;font-size:2.8rem!important}.modal-kids-title{font-size:1.25rem!important}.modal-kids-desc{margin-bottom:16px!important;font-size:.9rem!important}}@media (width<=400px){.brand-title-wrap h1{font-size:1rem!important}.mascot-logo-icon{width:30px!important;height:30px!important;font-size:1.1rem!important}#sidebarRoleToggleBtn{height:32px!important;padding:4px 8px!important}#roleSwitchText{font-size:.7rem!important}#sidebarLangToggleBtn{height:32px!important;padding:4px 6px!important}.kids-top-stats{padding:6px 8px!important}.stat-pill{font-size:.78rem!important}}