@import "https://fonts.googleapis.com/css2?family=Baloo+2:wght@500;600;700;800&family=Nunito+Sans:wght@400;600;700;800&display=swap";:root{--navy:#061e4e;--navy-2:#0d2d6b;--gold:#f6a206;--gold-dark:#d98a00;--honey:#f6ba06;--blue:#007ee0;--blue-ui:#0a5fb8;--sky:#66c6f6;--paper:#eef3fa;--white:#fff;--line:#d5dfee;--tint:#e6f2fd;--tint-2:#cfe6fa;--tint-soft:#f3f8fe;--muted:#bfd4ec;--charcoal:#1e2a44;--red-pen:#b23a2e;--ink:var(--navy);--green:var(--blue-ui);--primary:var(--blue-ui);--font-display:"Baloo 2", system-ui, sans-serif;--font-body:"Nunito Sans", system-ui, sans-serif;--font-label:"Nunito Sans", system-ui, sans-serif;--radius:10px;--space-1:8px;--space-2:16px;--space-3:24px;--space-4:40px}*{box-sizing:border-box}body{font-family:var(--font-body);color:var(--charcoal);background-color:var(--paper);-webkit-font-smoothing:antialiased;min-height:100vh;margin:0}#root{max-width:100%;padding:var(--space-3) var(--space-4) 100px;perspective:1400px}.lesson-root{max-width:100%;padding:0 var(--space-2)}h1,h2,h3,h4{font-family:var(--font-display);color:var(--navy);margin:0 0 var(--space-2) 0;line-height:1.15}h1{margin-bottom:var(--space-3);font-size:2rem;font-weight:800}h2{font-size:1.5rem;font-weight:700}h3{font-size:1.2rem;font-weight:700}h4{text-transform:uppercase;letter-spacing:.08em;font-size:.9rem;font-weight:700;font-family:var(--font-display);color:var(--blue-ui)}p{margin:0 0 var(--space-2) 0;line-height:1.6}strong{color:var(--navy);font-family:inherit;font-weight:800}a{color:var(--blue-ui)}ul{margin:0 0 var(--space-2) 0;padding:0;list-style:none}li{margin-bottom:var(--space-1)}label{font-family:var(--font-label);text-transform:uppercase;letter-spacing:.06em;color:var(--navy);margin-bottom:4px;font-size:.78rem;font-weight:800;display:block}input[type=text],input[type=email],input[type=password],input[type=number],input[type=datetime-local],select{width:100%;max-width:420px;font-family:var(--font-body);border:2px solid var(--navy);border-radius:var(--radius);background:var(--white);color:var(--charcoal);margin-bottom:var(--space-2);padding:10px 12px;font-size:1rem}textarea{width:100%;max-width:420px;font-family:var(--font-body);border:2px solid var(--navy);border-radius:var(--radius);background-color:var(--white);background-image:repeating-linear-gradient(to bottom, transparent, transparent 23px, var(--line) 23px, var(--line) 24px);color:var(--charcoal);margin-bottom:var(--space-2);background-attachment:local;padding:8px 12px 0;font-size:1rem;line-height:24px}input:focus,textarea:focus,select:focus{outline:3px solid var(--gold);outline-offset:1px}input[type=checkbox]{width:auto;margin-right:6px}button{font-family:var(--font-body);text-transform:none;letter-spacing:0;border-radius:var(--radius);background:var(--gold);color:var(--navy);cursor:pointer;margin:0 var(--space-1) var(--space-2) 0;border:none;padding:10px 20px;font-size:.9rem;font-weight:800;transition:transform 80ms,background .15s}button:hover{background:var(--gold-dark)}button:active{transform:translateY(1px)}button:disabled{background:var(--line);color:#7d8aa3;cursor:not-allowed}button:focus-visible{outline:3px solid var(--navy);outline-offset:2px}.page,.page-forward,.page-back{backface-visibility:hidden}.page-forward{perspective:1400px;transform-origin:0;animation:.55s cubic-bezier(.16,1,.3,1) pageFlipForward}@keyframes pageFlipForward{0%{opacity:0;transform:rotateY(-85deg)}to{opacity:1;transform:rotateY(0)}}.page-back{perspective:1400px;transform-origin:100%;animation:.55s cubic-bezier(.16,1,.3,1) pageFlipBack}@keyframes pageFlipBack{0%{opacity:0;transform:rotateY(85deg)}to{opacity:1;transform:rotateY(0)}}.nb-card{border:2px solid var(--navy);border-radius:var(--radius);margin-bottom:var(--space-2);background:var(--white);align-items:stretch;transition:transform .12s,box-shadow .12s;display:flex;overflow:hidden}.nb-card:hover{box-shadow:4px 4px 0 var(--navy);transform:translateY(-2px)}.nb-card__spine{background:var(--blue-ui);flex-shrink:0;width:14px}.nb-card__spine--gold{background:var(--gold)}.nb-card__spine--ink{background:var(--navy)}.nb-card__spine--red{background:var(--red-pen)}.nb-card__body{padding:var(--space-2);flex:1}.nb-card__title-btn{text-align:left;width:100%;font-family:var(--font-display);color:var(--navy);cursor:pointer;text-transform:none;letter-spacing:normal;background:0 0;border:none;margin:0 0 6px;padding:0;font-size:1.15rem;font-weight:700;display:block}.nb-card__title-btn:hover{color:var(--blue-ui);background:0 0;text-decoration:underline}.nb-card__meta{font-family:var(--font-label);color:var(--charcoal);text-transform:uppercase;letter-spacing:.04em;font-size:.8rem;font-weight:700}.progress-ticks{align-items:center;gap:2px;margin-top:4px;display:flex}.tick{color:var(--line);font-size:.95rem;line-height:1}.tick--filled{color:var(--gold-dark)}.progress-ticks__label{font-family:var(--font-label);color:var(--navy);margin-left:6px;font-size:.75rem;font-weight:800}.lesson-layout{gap:var(--space-2);grid-template-columns:minmax(180px,22%) 1fr minmax(260px,30%);align-items:start;min-height:calc(100vh - 140px);display:grid}.lesson-layout__nav{border:1px solid var(--line);background:var(--white);min-height:calc(100vh - 140px);padding:var(--space-2);border-radius:12px;position:relative;overflow-y:auto}.nav-toggle{border:1px solid var(--line);cursor:pointer;color:#6b7280;z-index:50;text-transform:none;letter-spacing:normal;width:24px;height:44px;font-size:.75rem;font-family:var(--font-body);background:#fff;border-radius:0 8px 8px 0;justify-content:center;align-items:center;margin:0;padding:0;transition:background .15s;display:flex;position:fixed;top:50%;left:calc(22% + 68px);transform:translateY(-50%);box-shadow:2px 0 6px #00000014}.nav-toggle:hover{background:var(--tint-soft);color:var(--navy)}.lesson-layout__content{border:1px solid var(--line);background:var(--white);min-height:calc(100vh - 140px);padding:var(--space-3);border-radius:12px;overflow-y:auto}.lesson-layout__chat{border:1px solid var(--line);background:var(--white);border-radius:12px;flex-direction:column;height:100%;display:flex;overflow:hidden}.chat-header{padding:var(--space-2);border-bottom:1px solid var(--line);align-items:center;gap:var(--space-1);display:flex}.chat-header 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button{margin:0;padding:8px 16px;font-size:.8rem}.app-shell{background:var(--paper);min-height:100vh}.navbar{background:var(--navy);padding:0 var(--space-4);z-index:100;border-bottom:none;align-items:center;height:64px;display:flex;position:sticky;top:0}.navbar__brand{margin-right:var(--space-4);flex-shrink:0;align-items:center;gap:10px;text-decoration:none;display:flex}.navbar__logo-img{flex-shrink:0;width:auto;max-width:none;height:40px;display:block}.navbar__nav{flex:1;justify-content:center;align-items:center;gap:4px;display:flex}.navbar__nav-btn{white-space:nowrap;font-family:var(--font-body);color:var(--muted);cursor:pointer;text-transform:none;letter-spacing:normal;background:0 0;border:none;border-radius:8px;margin:0;padding:8px 16px;font-size:.95rem;font-weight:700;transition:background .15s,color 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p{color:var(--muted);margin:0;font-size:.95rem}.stats-row{gap:var(--space-2);margin-bottom:var(--space-3);grid-template-columns:repeat(3,1fr);display:grid}.stat-card{background:var(--navy);padding:var(--space-2) var(--space-3);border-radius:10px}.stat-card__number{font-family:var(--font-display);color:var(--gold);margin-bottom:4px;font-size:2rem;font-weight:800;line-height:1.1}.stat-card__label{font-family:var(--font-body);text-transform:uppercase;letter-spacing:.04em;color:var(--muted);font-size:.78rem;font-weight:700}.two-col{gap:var(--space-2);grid-template-columns:1fr 380px;display:grid}.panel{background:var(--white);padding:var(--space-3);border:1px solid var(--line);border-radius:14px}.panel h3{margin-bottom:var(--space-2);color:var(--navy);font-size:1.1rem}.course-row{align-items:center;gap:var(--space-2);padding:var(--space-2) 0;border-bottom:1px solid var(--tint);cursor:pointer;display:flex}.course-row:last-child{border-bottom:none}.course-row:hover{background:var(--tint-soft);margin:0 calc(-1 * var(--space-2));padding-left:var(--space-2);padding-right:var(--space-2);border-radius:8px}.course-row__icon{background:var(--tint);border-radius:10px;flex-shrink:0;justify-content:center;align-items:center;width:44px;height:44px;font-size:1.3rem;display:flex}.course-row__info{flex:1}.course-row__title{font-family:var(--font-body);color:var(--navy);margin-bottom:2px;font-size:.95rem;font-weight:800}.course-row__teacher{color:#5b6b86;font-size:.82rem}.progress-bar-wrap{margin-top:6px}.progress-bar{background:var(--tint-2);border-radius:999px;height:6px;overflow:hidden}.progress-bar__fill{background:var(--blue);border-radius:999px;height:100%;transition:width .4s}.progress-bar__label{color:#5b6b86;margin-top:3px;font-size:.78rem}.due-item{padding:var(--space-1) 0;border-bottom:1px solid 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var(--line);color:var(--charcoal);cursor:pointer;text-align:left;font-size:.82rem;font-family:var(--font-body);text-transform:none;letter-spacing:normal;border-radius:999px;margin:0;padding:6px 14px;font-weight:600;transition:background .15s}.chat-chip:hover{background:var(--tint);border-color:var(--tint-2)}.lesson-nav-item{cursor:pointer;color:var(--charcoal);border-radius:6px;align-items:center;gap:8px;margin-bottom:2px;padding:7px 8px;font-size:.88rem;display:flex}.lesson-nav-item:hover{background:var(--tint-soft)}.lesson-nav-item--active{background:var(--tint);color:var(--blue-ui);font-weight:800}.lesson-nav-item__icon{text-align:center;flex-shrink:0;width:20px;font-size:.9rem}.lesson-nav-item__check{color:var(--blue-ui);margin-left:auto;font-size:.8rem}.lesson-layout--two-col{gap:var(--space-2);grid-template-columns:1fr;align-items:start;min-height:calc(100vh - 140px);transition:grid-template-columns .3s;display:grid}.lesson-layout--with-nav{grid-template-columns:minmax(180px,22%) 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p{color:var(--muted);margin:0;font-size:.78rem}.ai-chat-popup__close{color:#fff;cursor:pointer;text-transform:none;letter-spacing:normal;width:28px;height:28px;font-size:1rem;font-family:var(--font-body);background:#fff3;border:none;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;margin-left:auto;margin-right:0;padding:0;font-weight:400;display:flex}.ai-chat-popup__close:hover{background:#ffffff4d}.ai-chat-popup__messages{flex-direction:column;flex:1;gap:10px;padding:14px;display:flex;overflow-y:auto}.ai-chat-popup__input-row{border-top:1px solid var(--line);gap:8px;padding:10px 12px;display:flex}.ai-chat-popup__input-row input{border:1px solid var(--line);border-radius:8px;flex:1;max-width:none;margin:0;padding:8px 12px;font-size:.88rem}.ai-chat-popup__input-row 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10px!important}.stat-card__number{font-size:1.4rem!important}.stat-card__label{font-size:.62rem!important}.lh-row-wrap{gap:var(--space-1)!important;flex-wrap:wrap!important}.lh-row-wrap>*{min-width:0}.lh-fluid{width:100%!important;max-width:100%!important}.lh-full-sm{width:100%!important}.lh-emoji-xl{font-size:3rem!important}.page-content>div:first-child{gap:var(--space-1);flex-wrap:wrap}.welcome-banner{padding:var(--space-2) var(--space-3)}h1{font-size:1.6rem}h2{font-size:1.3rem}button{min-height:44px}.ai-chat-popup__close,.nav-collapsed-btn,.navbar__avatar{min-height:0}.navbar__avatar{width:40px;height:40px}input[type=checkbox],input[type=radio]{min-width:24px;min-height:24px}input,select,textarea{font-size:16px!important}.ai-character-wrap{bottom:84px;right:12px}.ai-chat-popup{width:calc(100vw - 24px);max-width:340px;max-height:70vh}.lp-nav{padding:0 var(--space-2)!important}.lp-nav img{height:34px!important}.lp-nav>button{min-height:40px;padding:8px 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calc(6px + env(safe-area-inset-bottom));border-top:1px solid #ffffff26;flex:none;justify-content:space-around;gap:0;position:fixed;bottom:0;left:0;right:0;box-shadow:0 -2px 12px #061e4e40}.navbar__nav-btn{text-align:center;white-space:normal;flex:1;min-height:48px;padding:6px 2px;font-size:.72rem;line-height:1.2}}:is(#root:has(.lp-root),#root:has(.lh-login)){padding:0!important}@media (width<=600px){.lh-banner{text-align:center;padding:var(--space-3) var(--space-2)!important;gap:var(--space-2)!important;flex-direction:column!important}.lh-banner h2{font-size:1.25rem!important}.lh-banner-owl{font-size:3.5rem!important}.lh-banner-badge{width:100%;max-width:160px;min-width:0!important}}@media (width<=400px){.navbar__nav-btn{padding:6px 1px;font-size:.66rem}}@media (width<=600px){.course-row{row-gap:8px;flex-wrap:wrap!important}.course-row__info{min-width:0;flex:140px!important}.course-row>:last-child{flex-wrap:wrap;flex:100%;justify-content:flex-end}}@media (width<=900px){.two-col{grid-template-columns:minmax(0,1fr)!important}.two-col>*{min-width:0}.lh-lesson-grid{grid-template-columns:minmax(0,1fr)!important;min-height:0!important}.lh-lesson-grid>*{min-width:0}.lh-nav-collapse{display:none!important}}@media (width<=600px){.lh-assign-card{padding:var(--space-2)!important;flex-wrap:wrap!important}.lh-assign-info{min-width:0;flex:140px!important}.lh-assign-status{justify-content:space-between;width:100%;flex-direction:row!important;align-items:center!important}}.lh-nav-mobile-btn{display:none}@media (width<=900px){.lh-nav-mobile-btn{width:100%;margin:0 0 var(--space-2) 0;color:var(--navy);border:1px solid var(--tint-2,#cfe3f7);text-transform:none;letter-spacing:normal;background:#fff;border-radius:12px;justify-content:space-between;align-items:center;padding:12px 16px;font-weight:700;display:flex}}@media (width<=600px){.navbar__notif-panel{width:auto!important;position:fixed!important;top:72px!important;left:12px!important;right:12px!important}}