@import"https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=Sora:wght@400;600;700;800&display=swap";:root{--navy: #0d1f3c;--navy-mid: #163057;--blue: #1e4d8c;--blue-light: #2563c0;--sky: #e8f0fb;--sky2: #d4e3f7;--white: #ffffff;--off: #f7f9fc;--gray1: #f0f4f9;--gray2: #e2e8f2;--gray3: #b8c6d9;--gray4: #7a92b0;--gray5: #4a6080;--text: #0d1f3c;--text2: #3a5068;--text3: #7a92b0;--green: #0fa870;--green-light: #e6f9f2;--gold: #c9972a;--gold-light: #fdf3e0;--red: #e05050;--red-light: #fef0f0;--shadow-sm: 0 1px 4px rgba(13,31,60,.07);--shadow: 0 4px 16px rgba(13,31,60,.1);--shadow-lg: 0 8px 32px rgba(13,31,60,.14);--radius-sm: 10px;--radius: 14px;--radius-lg: 20px;--radius-xl: 26px;--font: "Plus Jakarta Sans", sans-serif;--font-display: "Sora", sans-serif;--sp-xs: 8px;--sp-sm: 12px;--sp-md: 16px;--sp-lg: 20px;--sp-xl: 24px;--nav-h: 64px;--top-h: 56px;--safe-bottom: env(safe-area-inset-bottom, 0px)}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}html{font-size:16px;-webkit-text-size-adjust:100%}body{font-family:var(--font);background:var(--off);color:var(--text);height:100%;overflow:hidden;overscroll-behavior:none;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#app{max-width:430px;width:100%;height:100dvh;height:100vh;margin:0 auto;position:relative;overflow:hidden;background:var(--off);display:flex;flex-direction:column;box-shadow:0 0 60px #0d1f3c26}.screen{display:none;flex-direction:column;flex:1;min-height:0;overflow:hidden}.screen.active{display:flex}.scroll-body{flex:1;overflow-y:auto;overflow-x:hidden;-webkit-overflow-scrolling:touch;overscroll-behavior-y:contain;padding-bottom:var(--sp-xl)}.scroll-body::-webkit-scrollbar{display:none}.topbar{height:var(--top-h);display:flex;align-items:center;justify-content:space-between;padding:0 var(--sp-lg);background:var(--white);border-bottom:1px solid var(--gray2);flex-shrink:0;z-index:20}.topbar-logo{font-family:var(--font-display);font-size:1.2rem;font-weight:800;color:var(--navy);letter-spacing:-.02em;-webkit-user-select:none;user-select:none}.topbar-logo span{color:var(--blue-light)}.lang-pill{display:flex;background:var(--gray1);border-radius:50px;padding:3px;border:1px solid var(--gray2);flex-shrink:0}.lang-pill button{padding:5px 16px;border-radius:50px;border:none;background:transparent;font-family:var(--font);font-size:.75rem;font-weight:700;color:var(--text3);cursor:pointer;transition:background .18s,color .18s;letter-spacing:.04em;min-height:30px}.lang-pill button.active{background:var(--navy);color:#fff}.bottom-nav{background:var(--white);border-top:1px solid var(--gray2);display:flex;align-items:stretch;flex-shrink:0;padding-bottom:var(--safe-bottom);height:calc(var(--nav-h) + var(--safe-bottom))}.nav-item{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;cursor:pointer;padding:8px 2px;border:none;background:transparent;position:relative;min-height:44px;transition:opacity .15s}.nav-item:active{opacity:.7}.nav-icon{font-size:1.2rem;line-height:1;display:block}.nav-label{font-size:.6rem;font-weight:700;color:var(--text3);letter-spacing:.02em;transition:color .18s;line-height:1;white-space:nowrap}.nav-item.active .nav-label{color:var(--blue-light)}.nav-dot{position:absolute;top:6px;width:4px;height:4px;background:var(--blue-light);border-radius:50%;opacity:0;transition:opacity .18s}.nav-item.active .nav-dot{opacity:1}.section-hd{display:flex;align-items:center;justify-content:space-between;padding:var(--sp-md) var(--sp-lg) var(--sp-xs)}.section-title{font-family:var(--font-display);font-size:.93rem;font-weight:700;color:var(--navy)}.section-link{font-size:.75rem;font-weight:600;color:var(--blue-light);cursor:pointer;background:none;border:none;font-family:var(--font);padding:4px 0}.card{background:var(--white);border-radius:var(--radius);border:1.5px solid var(--gray2);box-shadow:var(--shadow-sm);overflow:hidden}.card-pad{padding:var(--sp-md)}.chip{display:inline-flex;align-items:center;gap:5px;background:var(--gray1);border:1.5px solid var(--gray2);border-radius:50px;padding:7px 14px;font-size:.77rem;font-weight:600;color:var(--text2);cursor:pointer;transition:background .15s,border-color .15s,color .15s;white-space:nowrap;font-family:var(--font);flex-shrink:0;min-height:36px}.chip:active,.chip.active{background:var(--sky);border-color:var(--blue-light);color:var(--blue-light)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;border:none;border-radius:var(--radius-sm);font-family:var(--font);font-weight:700;cursor:pointer;transition:filter .15s,opacity .15s;letter-spacing:.01em}.btn-primary{background:var(--blue-light);color:#fff;padding:14px 22px;font-size:.88rem;width:100%;border-radius:var(--radius);min-height:48px}.btn-primary:active{filter:brightness(.92)}.btn-primary:disabled{opacity:.45;cursor:not-allowed}.btn-icon{padding:8px;border-radius:10px;background:var(--gray1);border:1.5px solid var(--gray2);color:var(--text2);font-size:1rem;min-width:36px;min-height:36px}.badge{display:inline-flex;align-items:center;gap:4px;padding:3px 9px;border-radius:50px;font-size:.68rem;font-weight:700;letter-spacing:.04em}.badge-blue{background:var(--sky);color:var(--blue)}.badge-green{background:var(--green-light);color:var(--green)}.hero-banner{margin:var(--sp-md);background:linear-gradient(135deg,var(--navy) 0%,var(--blue) 100%);border-radius:var(--radius-lg);padding:18px var(--sp-lg) 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var(--sp-md);display:flex;gap:8px;align-items:flex-end;flex-shrink:0}.ai-textarea-wrap{flex:1;min-width:0}.ai-textarea{width:100%;background:var(--gray1);border:1.5px solid var(--gray2);border-radius:13px;padding:10px 14px;font-family:var(--font);font-size:.86rem;color:var(--text);resize:none;outline:none;transition:border-color .18s,background .18s;line-height:1.5;min-height:42px;max-height:100px;display:block}.ai-textarea:focus{border-color:var(--blue-light);background:var(--white)}.ai-textarea::placeholder{color:var(--text3)}.mic-btn{width:44px;height:44px;border-radius:14px;border:1.5px solid var(--gray2);background:var(--gray1);color:var(--blue-light);cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:all .18s}.mic-btn:active,.mic-btn:hover{background:var(--sky);border-color:var(--blue-light)}.mic-btn--active{background:#fff0f0;border-color:#e03030;color:#e03030;animation:micRing 1s ease-in-out infinite}.mic-stop-icon{font-size:.85rem}@keyframes micRing{0%,to{box-shadow:0 0 #e030304d}50%{box-shadow:0 0 0 6px #e0303000}}.ai-send{width:44px;height:44px;background:var(--blue-light);border:none;border-radius:14px;cursor:pointer;display:flex;align-items:center;justify-content:center;color:#fff;flex-shrink:0;transition:filter .15s;min-width:44px}.ai-send:active{filter:brightness(.88)}.ai-send:disabled{opacity:.35;cursor:not-allowed}.learn-hero{background:linear-gradient(135deg,var(--navy-mid),var(--blue-light));padding:18px var(--sp-lg) 16px;position:relative;overflow:hidden;flex-shrink:0}.learn-hero:after{content:"📚";position:absolute;right:16px;bottom:-6px;font-size:3.5rem;opacity:.12;pointer-events:none}.learn-hero-title{font-family:var(--font-display);font-size:1.15rem;font-weight:800;color:#fff;margin-bottom:4px}.learn-hero-sub{font-size:.79rem;color:#ffffffb3}.learn-progress-row{display:flex;align-items:center;gap:var(--sp-sm);margin-top:12px}.learn-progress-text{font-size:.73rem;color:#fffc;font-weight:600;white-space:nowrap}.learn-progress-bar{flex:1;background:#fff3;border-radius:50px;height:5px;overflow:hidden;min-width:0}.learn-progress-fill{height:100%;background:#fff;border-radius:50px;width:30%}.topic-grid{padding:var(--sp-sm) var(--sp-md) var(--sp-xs);display:grid;grid-template-columns:repeat(2,1fr);gap:var(--sp-xs)}.topic-card{background:var(--white);border-radius:var(--radius);border:1.5px solid var(--gray2);padding:14px 12px;cursor:pointer;transition:transform .15s,box-shadow .15s,border-color .15s;position:relative;overflow:hidden;min-height:110px;display:flex;flex-direction:column}.topic-card:active{transform:scale(.98);box-shadow:var(--shadow);border-color:var(--blue-light)}.topic-card-icon{font-size:1.6rem;margin-bottom:7px;display:block;flex-shrink:0}.topic-card-title{font-size:.81rem;font-weight:700;color:var(--text);line-height:1.3;margin-bottom:4px;flex:1}.topic-card-time{font-size:.68rem;color:var(--text3)}.topic-card-bar{position:absolute;bottom:0;left:0;right:0;height:3px;background:var(--gray2)}.topic-card-bar-fill{height:100%;background:var(--blue-light);border-radius:0 2px 2px 0;transition:width .3s ease}.lesson-modal{display:none;position:absolute;inset:0;background:var(--off);z-index:100;flex-direction:column;animation:slideUp .28s cubic-bezier(.32,.72,0,1)}.lesson-modal.open{display:flex}@keyframes slideUp{0%{transform:translateY(100%)}to{transform:translateY(0)}}.modal-header{background:var(--white);border-bottom:1px solid var(--gray2);padding:13px var(--sp-lg);display:flex;align-items:center;gap:var(--sp-sm);flex-shrink:0;min-height:var(--top-h)}.modal-back{width:34px;height:34px;border-radius:9px;background:var(--gray1);border:1.5px solid var(--gray2);display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:.95rem;color:var(--text2);flex-shrink:0}.modal-back:active{background:var(--gray2)}.modal-title{font-family:var(--font-display);font-size:.92rem;font-weight:700;color:var(--text);flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.modal-body{flex:1;overflow-y:auto;overflow-x:hidden;padding:var(--sp-md);scrollbar-width:none}.modal-body::-webkit-scrollbar{display:none}.lesson-block{background:var(--white);border-radius:var(--radius);border:1.5px solid var(--gray2);padding:var(--sp-md);margin-bottom:var(--sp-xs)}.lesson-block-label{font-size:.67rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;margin-bottom:7px;display:flex;align-items:center;gap:5px}.lesson-block-text{font-size:.85rem;line-height:1.65;color:var(--text2)}.lesson-example{background:var(--sky);border-left:3px solid var(--blue-light);border-radius:0 var(--radius-sm) var(--radius-sm) 0;padding:11px 14px;margin-top:6px}.lesson-action{background:var(--green-light);border-left:3px solid var(--green);border-radius:0 var(--radius-sm) var(--radius-sm) 0;padding:11px 14px;margin-top:6px}.cl-screen-header{background:var(--white);padding:16px var(--sp-lg);border-bottom:1px solid var(--gray2);flex-shrink:0}.cl-screen-title{font-family:var(--font-display);font-size:1.05rem;font-weight:800;color:var(--navy)}.cl-screen-sub{font-size:.78rem;color:var(--text3);margin-top:2px}.checklist-list{padding:var(--sp-md);display:flex;flex-direction:column;gap:var(--sp-xs)}.checklist-card{background:var(--white);border-radius:var(--radius);border:1.5px solid var(--gray2);overflow:hidden}.cl-header{display:flex;align-items:center;gap:var(--sp-sm);padding:var(--sp-md);cursor:pointer;min-height:68px}.cl-header:active{background:var(--off)}.cl-icon-wrap{width:42px;height:42px;border-radius:11px;display:flex;align-items:center;justify-content:center;font-size:1.25rem;flex-shrink:0}.cl-info{flex:1;min-width:0}.cl-title{font-size:.86rem;font-weight:700;color:var(--text);margin-bottom:2px}.cl-meta{font-size:.71rem;color:var(--text3)}.cl-chevron{color:var(--text3);font-size:.85rem;flex-shrink:0;transition:transform .2s}.cl-chevron.open{transform:rotate(180deg)}.cl-progress{padding:0 var(--sp-md) 12px;display:flex;align-items:center;gap:var(--sp-xs)}.cl-prog-text{font-size:.69rem;font-weight:700;color:var(--blue);min-width:30px}.progress-bar-wrap{background:var(--gray2);border-radius:50px;height:4px;overflow:hidden}.progress-bar-fill{height:100%;background:var(--blue-light);border-radius:50px;transition:width .4s ease}.cl-items{padding:0 var(--sp-md) var(--sp-md);display:flex;flex-direction:column;gap:6px}.cl-item{display:flex;align-items:flex-start;gap:var(--sp-sm);padding:11px 13px;background:var(--off);border-radius:var(--radius-sm);cursor:pointer;transition:background .12s;min-height:44px}.cl-item.checked{background:var(--green-light)}.cl-item:active{opacity:.8}.cl-checkbox{width:20px;height:20px;border:2px solid var(--gray3);border-radius:6px;flex-shrink:0;display:flex;align-items:center;justify-content:center;font-size:.68rem;color:transparent;transition:background .15s,border-color .15s,color .15s;margin-top:1px}.cl-item.checked .cl-checkbox{background:var(--green);border-color:var(--green);color:#fff}.cl-item-text{font-size:.82rem;line-height:1.4;color:var(--text2);flex:1}.cl-item.checked .cl-item-text{color:var(--text3);text-decoration:line-through}.saved-header{background:var(--white);padding:15px var(--sp-lg);border-bottom:1px solid var(--gray2);flex-shrink:0}.saved-header-title{font-family:var(--font-display);font-size:1.05rem;font-weight:800;color:var(--navy)}.saved-tabs{display:flex;background:var(--white);border-bottom:1px solid var(--gray2);flex-shrink:0}.saved-tab{flex:1;text-align:center;padding:13px var(--sp-xs);font-size:.78rem;font-weight:600;color:var(--text3);cursor:pointer;border-bottom:2px solid transparent;transition:color .18s,border-color .18s;min-height:44px;display:flex;align-items:center;justify-content:center;-webkit-user-select:none;user-select:none}.saved-tab.active{color:var(--blue-light);border-bottom-color:var(--blue-light)}.saved-items{padding:var(--sp-md);display:flex;flex-direction:column;gap:var(--sp-xs)}.saved-empty{text-align:center;padding:48px var(--sp-xl);color:var(--text3)}.saved-empty-icon{font-size:2.4rem;margin-bottom:var(--sp-xs);display:block}.saved-empty-text{font-size:.83rem;line-height:1.55}.saved-card{background:var(--white);border-radius:var(--radius);border:1.5px solid var(--gray2);padding:13px var(--sp-md);display:flex;align-items:flex-start;gap:var(--sp-sm);min-height:56px}.saved-card-icon{width:36px;height:36px;border-radius:9px;display:flex;align-items:center;justify-content:center;font-size:1rem;flex-shrink:0;background:var(--sky)}.saved-card-info{flex:1;min-width:0}.saved-card-title{font-size:.83rem;font-weight:700;color:var(--text);margin-bottom:2px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.saved-card-meta{font-size:.71rem;color:var(--text3)}.saved-card-del{color:var(--text3);font-size:.85rem;cursor:pointer;padding:4px;flex-shrink:0;min-width:28px;min-height:28px;display:flex;align-items:center;justify-content:center}.profile-hero{background:linear-gradient(150deg,var(--navy),var(--blue-light));padding:24px var(--sp-lg) 20px;text-align:center;flex-shrink:0}.profile-avatar{width:64px;height:64px;background:#ffffff26;border:2px solid rgba(255,255,255,.3);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.8rem;margin:0 auto 10px}.profile-name{font-family:var(--font-display);font-size:1.05rem;font-weight:700;color:#fff;margin-bottom:3px}.profile-role{font-size:.76rem;color:#ffffff9e}.profile-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--gray2);margin:var(--sp-md) var(--sp-md) 0;border-radius:var(--radius);overflow:hidden}.profile-stat{background:var(--white);padding:12px var(--sp-xs);text-align:center}.profile-stat-num{font-family:var(--font-display);font-size:1.25rem;font-weight:800;color:var(--text)}.profile-stat-lbl{font-size:.66rem;color:var(--text3);margin-top:2px}.profile-section{padding:var(--sp-md) var(--sp-md) 0}.profile-group{border-radius:var(--radius);overflow:hidden;border:1.5px solid var(--gray2)}.profile-group-title{font-size:.68rem;font-weight:800;letter-spacing:.09em;text-transform:uppercase;color:var(--text3);margin-bottom:7px;padding:0 2px}.profile-row{display:flex;align-items:center;gap:var(--sp-sm);padding:13px var(--sp-md);background:var(--white);border-bottom:1px solid var(--gray1);cursor:pointer;transition:background .12s;min-height:50px}.profile-row:last-child{border-bottom:none}.profile-row:active{background:var(--off)}.profile-row-icon{font-size:1rem;width:22px;text-align:center;flex-shrink:0}.profile-row-label{flex:1;font-size:.84rem;font-weight:500;color:var(--text2)}.profile-row-value{font-size:.77rem;color:var(--text3)}.profile-row-arrow{font-size:.82rem;color:var(--text3);flex-shrink:0}.premium-banner{margin:var(--sp-md);background:linear-gradient(135deg,var(--gold),#e8b238);border-radius:var(--radius);padding:16px var(--sp-md);display:flex;align-items:center;gap:var(--sp-sm)}.premium-icon{font-size:1.7rem;flex-shrink:0}.premium-text{flex:1;min-width:0}.premium-title{font-size:.88rem;font-weight:800;color:#fff;margin-bottom:2px}.premium-sub{font-size:.72rem;color:#ffffffd1;line-height:1.35}.premium-btn{background:#fff;color:var(--gold);border:none;border-radius:8px;padding:8px 14px;font-family:var(--font);font-size:.76rem;font-weight:800;cursor:pointer;white-space:nowrap;flex-shrink:0;min-height:34px}.premium-btn:active{filter:brightness(.95)}