:root{--app-viewport-height: 100dvh;--app-safe-top: 0px;--app-safe-right: 0px;--app-safe-bottom: 0px;--app-safe-left: 0px;--app-ref-width-css: 1728;--app-ref-height-css: 1117;--app-scale-x: calc(100vw / var(--app-ref-width-css));--app-scale-y: calc(100dvh / var(--app-ref-height-css));--app-viewport-scale: 1;--bg: #f6f6f6;--bg-soft: #f0efed;--panel: #ffffff;--panel-border: #e0ddd8;--button-border: #393939;--text: #1a1a1a;--muted: #7a7872;--accent: #d04020;--connector-stop-1: #d93a5c;--connector-stop-2: #d97a24;--connector-stop-3: #b98f16;--connector-stop-4: #43a958;--connector-stop-5: #2f74d6;--connector-stop-6: #6f39c9;--connector-outline-gradient: linear-gradient(130deg, var(--connector-stop-1) 0%, var(--connector-stop-2) 20%, var(--connector-stop-3) 38%, var(--connector-stop-4) 56%, var(--connector-stop-5) 78%, var(--connector-stop-6) 100%);--connector-icon-color: #6324b5;--radius-ui: clamp(10px, calc(12px + .2vw) , 16px);--ui-control-2xs: clamp(1.45rem, calc(1.6rem + .35vw) , 1.95rem);--ui-control-xs: clamp(1.8rem, calc(2rem + .4vw) , 2.3rem);--ui-control-sm: clamp(2.1rem, calc(2.3rem + .45vw) , 2.7rem);--ui-control-md: clamp(2.45rem, calc(2.7rem + .5vw) , 3.1rem);--ui-control-lg: clamp(3.2rem, calc(3.6rem + .65vw) , 4.2rem);--ui-icon-sm: clamp(1.1rem, calc(1.25rem + .28vw) , 1.5rem);--ui-icon-md: clamp(1.45rem, calc(1.7rem + .35vw) , 2rem);--ui-card-min-h-sm: clamp(4.8rem, calc(5.6rem + .8vw) , 7rem);--ui-card-min-h-md: clamp(6.8rem, calc(8.25rem + 1.1vw) , 9.8rem);--ui-card-min-h-lg: clamp(14rem, calc(16.25rem + 1.6vw) , 21rem);--ui-panel-max-w: clamp(20rem, 92vw, 60rem);--theme-btn-border-width: 1px;--theme-btn-border-color: var(--button-border);--theme-btn-shadow: none;--theme-btn-hover-shadow: none;--theme-btn-active-shadow: none;--theme-btn-primary-border-color: var(--accent);--theme-btn-primary-shadow-hover: 0 4px 14px -2px color-mix(in srgb, var(--accent) 40%, transparent);--theme-btn-ghost-border-color: var(--button-border);--theme-btn-ghost-hover-border-color: var(--text);--theme-sidebar-link-border-width: 1px;--theme-sidebar-link-border-color: var(--panel-border);--theme-sidebar-link-bg: var(--panel);--theme-sidebar-link-shadow: none;--theme-sidebar-link-hover-border-color: var(--accent);--theme-sidebar-link-hover-bg: var(--bg-soft);--theme-sidebar-link-hover-shadow: none;--theme-sidebar-link-active-border-color: var(--accent);--theme-sidebar-link-active-shadow: var(--theme-sidebar-link-hover-shadow);--theme-input-border-width: 1px;--theme-input-border-color: var(--panel-border);--theme-input-bg: var(--bg);--theme-input-shadow: none;--theme-input-focus-border-color: var(--panel-border);--theme-input-focus-shadow: none;--theme-popup-select-border-width: 1px;--theme-popup-select-border-color: var(--panel-border);--theme-popup-select-bg: var(--bg);--theme-popup-select-shadow: none;--theme-popup-select-hover-border-color: var(--text);--theme-popup-select-open-border-color: var(--accent);--theme-popup-select-open-shadow: var(--theme-popup-select-shadow);--theme-tab-border-bottom-width: 3px;--theme-tab-border-color: transparent;--theme-tab-bg: transparent;--theme-tab-shadow: none;--theme-tab-active-border-color: var(--accent);--theme-tab-active-bg: transparent;--theme-tab-active-shadow: none;--theme-0: #ff5630;--theme-1: #af11c4;--theme-2: #bb0000;--theme-3: #0891b2;--theme-4: #d79300;--theme-5: #111111;--reader-accent-highlight-bg: color-mix(in srgb, var(--accent) 60%, transparent);--reader-accent-highlight-bg-hover: color-mix(in srgb, var(--accent) 100%, transparent);--danger: #cc2244;--success: #1dac00;--pill-strong-text: #000;--task-mobile-ad-height: clamp(74px, calc(82px + .6vw) , 98px);--task-mobile-ad-offset: calc(var(--task-mobile-ad-height) + env(safe-area-inset-bottom));--layout-lesson-shell-gap: .8rem;--layout-lesson-shell-padding-top: .95rem;--layout-lesson-shell-padding-bottom: 1.25rem;--layout-repetition-stage-offset: -5rem;--layout-chat-composer-min-height: 124px;--layout-chat-composer-max-height: 30vh;--layout-support-composer-min-height: 126px;--layout-support-composer-max-height: 240px}html[data-vheight=short]{--layout-lesson-shell-gap: .58rem;--layout-lesson-shell-padding-top: .72rem;--layout-lesson-shell-padding-bottom: .92rem;--layout-repetition-stage-offset: -2.2rem;--layout-chat-composer-min-height: 88px;--layout-chat-composer-max-height: 24vh;--layout-support-composer-min-height: 92px;--layout-support-composer-max-height: 176px}html[data-vheight=tall]{--layout-lesson-shell-gap: .9rem;--layout-lesson-shell-padding-top: 1.08rem;--layout-lesson-shell-padding-bottom: 1.35rem;--layout-repetition-stage-offset: -5.4rem;--layout-chat-composer-max-height: 34vh;--layout-support-composer-max-height: 260px}html[data-shell=compact][data-vheight=short]{--task-mobile-ad-height: clamp(66px, calc(72px + .35vw) , 84px)}[data-theme=dark]{--bg: #1c1c1c;--bg-soft: #252525;--panel: #2a2a2a;--panel-border: #3e3e3e;--button-border: #bbbbbb;--text: #ebe9e4;--muted: #9a9890;--accent: #ff5630;--connector-stop-1: #ff7a96;--connector-stop-2: #ffbb6f;--connector-stop-3: #ffe986;--connector-stop-4: #91f09f;--connector-stop-5: #79baff;--connector-stop-6: #c89aff;--connector-outline-gradient: linear-gradient(130deg, var(--connector-stop-1) 0%, var(--connector-stop-2) 20%, var(--connector-stop-3) 38%, var(--connector-stop-4) 56%, var(--connector-stop-5) 78%, var(--connector-stop-6) 100%);--connector-icon-color: #d9b3ff;--theme-0: #ff5630;--theme-1: #e25df7;--theme-2: #ff3434;--theme-3: #44e6ff;--theme-4: #f2a500;--theme-5: #ffffff;--reader-accent-highlight-bg: color-mix(in srgb, var(--accent) 60%, transparent);--reader-accent-highlight-bg-hover: color-mix(in srgb, var(--accent) 100%, transparent);--danger: #f13258;--success: #5dee81;--pill-strong-text: #fff}html[data-runtime=native]{--app-safe-top: env(safe-area-inset-top);--app-safe-right: env(safe-area-inset-right);--app-safe-bottom: env(safe-area-inset-bottom);--app-safe-left: env(safe-area-inset-left)}@supports not (height: 100dvh){:root{--app-viewport-height: 100vh}}*{box-sizing:border-box}html[data-shell=compact],html[data-shell=compact] body{overflow:hidden!important;height:var(--app-viewport-height)!important;width:100vw!important;position:fixed;inset:0;overscroll-behavior:none}html,body,#root{margin:0;padding:0;height:100%;min-height:100vh;font-family:DM Sans,sans-serif;color:var(--text);background-color:var(--bg);overflow-x:hidden;overscroll-behavior-x:none;-webkit-font-smoothing:antialiased}.viewport-scale-root{width:100%;min-height:100vh;min-height:var(--app-viewport-height)}.app-hidden-svg-defs{position:absolute;width:0;height:0;overflow:hidden;display:block;pointer-events:none}html[data-shell=expanded][data-viewport=desktop]{--app-viewport-scale: 1}@media(min-aspect-ratio:16/9)and (max-aspect-ratio:2/1){html[data-shell=expanded][data-viewport=desktop]{--app-viewport-scale: 1}}html[data-shell=expanded] .viewport-scale-root{width:calc(100% / var(--app-viewport-scale));min-height:calc(var(--app-viewport-height) / var(--app-viewport-scale));transform:scale(var(--app-viewport-scale));transform-origin:top left}html[data-shell=compact] .viewport-scale-root{width:100%;min-height:var(--app-viewport-height);transform:none}:where(.lesson-shell,.cloze-player-shell,.repetition-player-shell){container-type:inline-size}*{scrollbar-width:none;-ms-overflow-style:none}*::-webkit-scrollbar{width:0;height:0;display:none;background:transparent}:where(button,[role=button],input[type=button],input[type=submit],input[type=reset],select,option,.btn,.icon-btn){user-select:none;-webkit-user-select:none}:where(input:not([type=button]):not([type=submit]):not([type=reset]),textarea,[contenteditable=""],[contenteditable=true]){user-select:text;-webkit-user-select:text}h1,h2,h3,h4{font-family:DM Sans,sans-serif;font-weight:700;margin:0;letter-spacing:-.02em}p{margin:0;line-height:1.6}a{color:inherit;text-decoration:none}ul{margin:0;padding-left:1.2rem}a,button,[role=button],input,select,textarea,label,.btn,.icon-btn{-webkit-tap-highlight-color:transparent}:where(a,button,[role=button],input,select,textarea,summary,[tabindex]):focus,:where(a,button,[role=button],input,select,textarea,summary,[tabindex]):focus-visible{outline:none!important}:where(button,[role=button],.btn,.icon-btn,input[type=checkbox],input[type=radio]):focus,:where(button,[role=button],.btn,.icon-btn,input[type=checkbox],input[type=radio]):focus-visible{outline:none!important;box-shadow:none!important}hr{border:none;border-top:2px solid var(--panel-border);margin:1.5rem 0}@keyframes pageEnter{0%{opacity:0}to{opacity:1}}@keyframes panelEnter{0%{opacity:0}to{opacity:1}}@keyframes panelSlideRight{0%{opacity:0}to{opacity:1}}@keyframes lessonShellEnter{0%{opacity:0}to{opacity:1}}@keyframes overlayBackdropIn{0%{opacity:0}to{opacity:1}}@keyframes overlayCardSlideUp{0%{opacity:0;transform:translateY(18px) scale(.97)}to{opacity:1;transform:translateY(0) scale(1)}}.page-shell{width:min(1100px,94vw);min-height:100%;margin:0 auto;display:flex;flex-direction:column;gap:1.5rem;animation:pageEnter .3s ease-out}.app-shell{height:100vh;height:var(--app-viewport-height);min-height:100vh;min-height:var(--app-viewport-height);display:grid;grid-template-columns:auto minmax(0,1fr);overflow:hidden}[data-shell=compact] .app-shell{height:100vh;height:var(--app-viewport-height);display:flex;flex-direction:column;overflow:hidden}.mobile-shell-header{display:none}.mobile-shell-menu-btn,.mobile-bottom-nav-item,.mobile-panel-trigger{min-height:44px}.global-sidebar{border-right:1px solid var(--panel-border);background:linear-gradient(180deg,var(--panel) 0%,var(--bg-soft) 100%);padding:1rem;display:flex;flex-direction:column;position:sticky;top:0;height:100vh;height:var(--app-viewport-height);overflow:visible;width:270px;transition:width .32s cubic-bezier(.22,1,.36,1);will-change:width;z-index:20}.global-sidebar-main{min-height:0;flex:1 1 auto;display:flex;flex-direction:column;gap:1rem;overflow-y:auto;padding-right:.1rem}.global-sidebar:not(.global-sidebar-mobile-drawer):not(.global-sidebar-collapsed) .global-sidebar-main{scrollbar-width:none;-ms-overflow-style:none}.global-sidebar:not(.global-sidebar-mobile-drawer):not(.global-sidebar-collapsed) .global-sidebar-main::-webkit-scrollbar{width:0;height:0}.global-sidebar-collapsed{width:160px}.global-sidebar-brand{display:flex;flex-direction:column;gap:.25rem}.global-sidebar-brand-row{display:flex;align-items:flex-start;justify-content:space-between;gap:.4rem}.global-sidebar-eyebrow-row{display:inline-flex;align-items:center;gap:.45rem}.global-sidebar-logo{height:1rem;width:auto;border-radius:3px;display:block;object-fit:contain;flex:0 0 auto}.global-sidebar-title{margin:0;max-width:180px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;opacity:1;transform:translate(0);transition:max-width .26s cubic-bezier(.22,1,.36,1),opacity .18s ease,transform .22s cubic-bezier(.22,1,.36,1)}.global-sidebar-nav,.global-sidebar-playground-list{display:flex;flex-direction:column;gap:.45rem}.global-sidebar-link,.global-sidebar-subnav-link{border:var(--theme-sidebar-link-border-width, 1px) solid var(--theme-sidebar-link-border-color, var(--panel-border));background:var(--theme-sidebar-link-bg, var(--panel));border-radius:var(--radius-ui);box-shadow:var(--theme-sidebar-link-shadow, none);color:var(--text);min-height:40px;padding:.58rem .7rem;font:inherit;font-weight:600;display:flex;align-items:center;gap:.55rem;transition:padding .22s cubic-bezier(.22,1,.36,1),font-size .22s cubic-bezier(.22,1,.36,1),gap .22s cubic-bezier(.22,1,.36,1),border-color .18s ease,background-color .18s ease,color .18s ease,box-shadow .18s ease}.global-sidebar-link:hover,.global-sidebar-link.active,.global-sidebar-subnav-link:hover,.global-sidebar-subnav-link.active{border-color:var(--theme-sidebar-link-hover-border-color, var(--accent));background-color:var(--theme-sidebar-link-hover-bg, var(--bg-soft));box-shadow:var(--theme-sidebar-link-hover-shadow, var(--theme-sidebar-link-shadow, none))}.global-sidebar-link.active,.global-sidebar-subnav-link.active{border-color:var(--theme-sidebar-link-active-border-color, var(--accent));box-shadow:var(--theme-sidebar-link-active-shadow, var(--theme-sidebar-link-hover-shadow, var(--theme-sidebar-link-shadow, none)))}.global-sidebar-link.disabled,.global-sidebar-subnav-link.disabled{pointer-events:none;opacity:.5}.global-sidebar-link.locked-feature,.global-sidebar-subnav-link.locked-feature,.mobile-bottom-nav-item.locked-feature{opacity:.46;filter:grayscale(1);cursor:not-allowed}.global-sidebar-link.locked-feature:hover,.global-sidebar-subnav-link.locked-feature:hover,.mobile-bottom-nav-item.locked-feature:hover{border-color:var(--theme-sidebar-link-border-color, var(--panel-border));color:var(--text)}.global-sidebar-section{display:flex;flex-direction:column;gap:.45rem}.global-sidebar-section-header{display:flex;align-items:center;justify-content:space-between;gap:.45rem;min-height:36px}.global-sidebar-section-action{width:36px;height:36px;padding:0;flex-shrink:0;opacity:1;transform:scale(1);transition:opacity .16s ease,transform .2s cubic-bezier(.22,1,.36,1),width .2s cubic-bezier(.22,1,.36,1),height .2s cubic-bezier(.22,1,.36,1),padding .2s cubic-bezier(.22,1,.36,1)}.global-sidebar-collapse-btn,.global-sidebar-section-action{border:none!important;background:transparent!important;box-shadow:none!important}.global-sidebar-collapse-btn:hover,.global-sidebar-section-action:hover{border:none!important}.global-sidebar-footer{display:flex;flex-direction:column;gap:.55rem;flex-shrink:0;position:relative;z-index:30;margin-top:.7rem}.global-sidebar-footer .btn{display:flex;align-items:center;justify-content:center;gap:.55rem}.global-sidebar-support-slot .playground-progress-pill.ask-ai-pill{width:100%;min-height:40px;justify-content:center;gap:.55rem;transform:none;margin-right:0;padding:.65rem 1.2rem;border:var(--theme-sidebar-link-border-width, 1px) solid var(--theme-sidebar-link-border-color, var(--panel-border));background:var(--theme-sidebar-link-bg, var(--panel));box-shadow:var(--theme-sidebar-link-shadow, none);border-radius:var(--radius-ui);color:var(--text);font-size:clamp(.846rem,calc(.9rem + .198vw),1.008rem);font-weight:600;font-family:DM Sans,sans-serif;line-height:1.2;transition:padding .22s cubic-bezier(.22,1,.36,1),font-size .22s cubic-bezier(.22,1,.36,1),gap .22s cubic-bezier(.22,1,.36,1),border-color .18s ease,background-color .18s ease,color .18s ease,box-shadow .18s ease}.global-sidebar-support-slot .playground-progress-pill.ask-ai-pill .ask-ai-pill-icon{width:1.5rem;height:1.5rem;flex:0 0 1.5rem}.global-sidebar-support-slot .playground-progress-pill.ask-ai-pill>span{min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.global-sidebar-support-slot .playground-progress-pill.ask-ai-pill:hover:not(:disabled){border-color:var(--theme-sidebar-link-hover-border-color, var(--accent));background:var(--theme-sidebar-link-hover-bg, var(--bg-soft));box-shadow:var(--theme-sidebar-link-hover-shadow, var(--theme-sidebar-link-shadow, none))}.global-sidebar-footer-row{display:flex;align-items:center;justify-content:space-between;gap:.4rem}.global-sidebar-footer-actions{display:inline-flex;align-items:center;gap:.4rem}.global-sidebar-section-label{margin:0;font-size:clamp(.78rem,calc(.83rem + .183vw),.93rem);letter-spacing:.08em;text-transform:uppercase;color:var(--muted);max-width:120px;white-space:nowrap;overflow:hidden;opacity:1;transform:translate(0);transition:max-width .26s cubic-bezier(.22,1,.36,1),opacity .18s ease,transform .22s cubic-bezier(.22,1,.36,1)}.language-space-dropdown-wrap{position:relative}.language-space-dropdown-wrap>.global-sidebar-link{width:100%}.language-space-dropdown{position:absolute;left:0;right:0;top:calc(100% + .38rem);border:1px solid var(--panel-border);border-radius:var(--radius-ui);background:var(--panel);box-shadow:0 14px 30px #00000024;z-index:44;padding:.42rem;display:flex;flex-direction:column;gap:.2rem;overflow:hidden;transform-origin:top;transition:max-height .26s cubic-bezier(.22,1,.36,1),opacity .2s ease,transform .26s cubic-bezier(.22,1,.36,1),border-color .18s ease,box-shadow .18s ease,padding .22s ease}.language-space-dropdown.collapsed{max-height:0;opacity:0;transform:translateY(-8px);pointer-events:none;padding-top:0;padding-bottom:0;border-color:transparent;box-shadow:none}.language-space-dropdown.expanded{max-height:320px;opacity:1;transform:translateY(0);pointer-events:auto}.language-space-dropdown-body{min-height:0;overflow-y:auto;display:flex;flex-direction:column;gap:.2rem;scrollbar-width:none;-ms-overflow-style:none}.language-space-dropdown-body::-webkit-scrollbar{width:0;height:0;display:none}.language-space-dropdown-item{border:1px solid transparent;border-radius:calc(var(--radius-ui) - 2px);background:transparent;color:var(--text);width:100%;min-height:40px;padding:.48rem .55rem;display:flex;align-items:center;gap:.55rem;cursor:pointer;text-align:left;font:inherit;font-weight:600}.language-space-dropdown-item:hover,.language-space-dropdown-item.is-selected{border-color:var(--accent);background:var(--bg-soft)}.language-space-dropdown-empty{margin:0;padding:.55rem .5rem;font-size:clamp(.771rem,calc(.82rem + .18vw),.918rem)}.language-space-dropdown-divider{height:1px;margin:1rem 0 .15rem;background:color-mix(in srgb,var(--panel-border) 88%,transparent)}.language-space-dropdown-archived{color:var(--text);padding:.5rem .55rem;font-weight:700;display:flex;align-items:center;min-height:40px}.language-space-dropdown-archived:hover{border-color:var(--accent);background:var(--bg-soft)}.sidebar-chevron{margin-left:auto;color:var(--muted);display:inline-flex;align-items:center;justify-content:center;transform:rotate(-90deg)}.sidebar-chevron-open{transform:rotate(0)}.sidebar-link-icon{width:1.5rem;height:1.5rem;display:inline-flex;align-items:center;justify-content:center;flex-shrink:0}.sidebar-link-icon img,.sidebar-icon-image{width:1.5rem;height:1.5rem;display:block;object-fit:contain}[data-theme=dark] .sidebar-link-icon img:not(.sidebar-flag-image),[data-theme=dark] .sidebar-icon-image{filter:invert(1) brightness(.88)}.global-sidebar-collapse-btn .sidebar-icon-image{width:1.35rem;height:1.35rem}.sidebar-flag-image{width:100%;height:100%;object-fit:cover;border-radius:2px}.sidebar-link-label{min-width:0;display:inline-block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:220px;opacity:1;transform:translate(0);transition:max-width .26s cubic-bezier(.22,1,.36,1),opacity .18s ease,transform .22s cubic-bezier(.22,1,.36,1)}.sidebar-due-badge{display:inline-flex;align-items:center;justify-content:center;margin-inline-start:auto;flex:none;width:1.25rem;height:1.25rem;min-width:1.25rem;border-radius:999px;background:var(--accent);color:var(--pill-strong-text);font-size:clamp(.639rem,calc(.68rem + .15vw),.762rem);font-weight:800;line-height:1;font-variant-numeric:tabular-nums;letter-spacing:0}.global-sidebar-collapsed .global-sidebar-title,.global-sidebar-collapsed .global-sidebar-section-label{opacity:0;transform:translate(-6px);max-width:0;max-height:0;margin:0;transition:none}.global-sidebar-collapsed .global-sidebar-section-header{justify-content:center}.global-sidebar-collapsed .global-sidebar-section-action{opacity:0;transform:scale(.86);pointer-events:none;width:0;height:0;padding:0;overflow:hidden;transition:none}.global-sidebar-collapsed .global-sidebar-link,.global-sidebar-collapsed .global-sidebar-subnav-link{padding:.58rem .7rem;align-items:center;justify-content:center;gap:0}.global-sidebar-collapsed .global-sidebar-subnav-link{position:relative}.global-sidebar-collapsed .sidebar-link-label{flex:0 0 auto;inline-size:0;opacity:0;transform:none;max-width:0;transition:none}.global-sidebar-collapsed .sidebar-due-badge{position:absolute;top:.22rem;right:.22rem;margin-inline-start:0;width:1rem;height:1rem;min-width:1rem;font-size:clamp(.564rem,calc(.6rem + .132vw),.672rem)}.global-sidebar-collapsed .global-sidebar-footer .btn{padding-left:.52rem;padding-right:.52rem;gap:0}.global-sidebar-collapsed .global-sidebar-support-slot .playground-progress-pill.ask-ai-pill{padding-left:.52rem;padding-right:.52rem;gap:0;justify-content:center}.global-sidebar-collapsed .global-sidebar-support-slot .playground-progress-pill.ask-ai-pill>span{display:none}.global-sidebar-collapsed .language-space-dropdown-wrap>.global-sidebar-link .sidebar-chevron{display:none}.global-sidebar-collapsed .language-space-dropdown-item{justify-content:center;gap:0}.global-sidebar-collapsed .global-sidebar-footer-row{display:grid;grid-template-columns:repeat(2,minmax(0,40px));justify-content:center;justify-items:center;align-items:center;column-gap:.7rem;row-gap:.4rem}.global-sidebar-collapsed .global-sidebar-footer-actions{display:contents}.app-shell-content{min-width:0;min-height:0;overflow:auto}.app-shell-content[data-reader-format-menu-open=true]{overflow:hidden!important;overscroll-behavior:none}.app-shell-content-has-bottom-nav{padding-bottom:0}[data-shell=compact] .app-shell-content{flex:1;min-height:0;overflow:auto;position:relative}.mobile-shell-title-wrap{min-width:0;display:grid;gap:.14rem}.mobile-shell-title-wrap strong{font-size:clamp(.94rem,calc(1rem + .22vw),1.12rem);line-height:1.2;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.mobile-shell-title-wrap-playground{gap:.1rem}.mobile-shell-title-main-row{display:flex;align-items:flex-start;justify-content:space-between;gap:.55rem;min-width:0}.mobile-shell-title-main-row strong{flex:1 1 auto}.mobile-shell-title-kicker{color:var(--muted);font-size:clamp(.677rem,calc(.72rem + .158vw),.806rem);text-transform:uppercase;letter-spacing:.08em}.mobile-shell-header-progress{min-width:0;max-width:100%}.mobile-bottom-nav{display:none}[data-shell=compact] .mobile-shell-header{--header-px-right: max(1rem, var(--app-safe-right));--header-px-left: max(1rem, var(--app-safe-left));--header-pt: .75rem;--header-pb: .75rem;--header-gap: .85rem;flex:0 0 auto;position:sticky;top:0;z-index:40;display:flex;align-items:center;gap:var(--header-gap);padding:calc(var(--header-pt) + var(--app-safe-top)) var(--header-px-right) var(--header-pb) var(--header-px-left);border-bottom:1px solid var(--panel-border);background:color-mix(in srgb,var(--panel) 92%,var(--bg));-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}[data-shell=compact] .mobile-shell-header.mobile-shell-header-playground{--header-pt: .65rem;--header-pb: .52rem;--header-gap: .9rem;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:var(--header-gap);padding-top:calc(var(--header-pt) + var(--app-safe-top));padding-bottom:var(--header-pb);border-bottom:none}[data-shell=compact] .mobile-shell-header.mobile-shell-header-playground .mobile-shell-title-wrap{gap:.05rem;padding-top:0}[data-shell=compact] .mobile-shell-header.mobile-shell-header-playground .mobile-shell-title-wrap strong{line-height:1.08}[data-shell=compact] .mobile-shell-header.mobile-shell-header-playground .mobile-shell-header-progress{align-self:center;margin-top:.18rem}[data-shell=compact] .mobile-shell-header.mobile-shell-header-playground .mobile-shell-header-progress .mascot-progress-ring{--ring-size: 2.52rem;display:grid;place-items:center;width:100%;height:100%;min-width:100%;min-height:100%;aspect-ratio:1 / 1;border-radius:50%;padding:.12rem}[data-shell=compact] .mobile-shell-header.mobile-shell-header-playground .mobile-shell-header-progress .mascot-progress-ring:after{inset:.12rem}[data-shell=compact] .mobile-shell-header.mobile-shell-header-playground .mobile-shell-header-progress .mascot-progress-ring .mascot-avatar-image{object-position:center 40%}[data-shell=compact] .mobile-shell-header.mobile-shell-header-playground .mobile-shell-header-progress .mascot-progress-ring .mascot-avatar{width:100%;height:100%}[data-shell=compact] .mobile-shell-menu-btn{width:44px;height:44px;min-width:44px;border:1px solid var(--panel-border);background:var(--panel);color:var(--text);padding:0;display:inline-flex;align-items:center;justify-content:center}[data-shell=compact] .mobile-shell-menu-btn svg{width:24px;height:24px}html[data-shell=compact][data-vheight=short] .mobile-shell-header{--header-pt: .48rem;--header-pb: .42rem;--header-gap: .65rem}html[data-shell=compact][data-vheight=short] .mobile-shell-menu-btn{width:40px;height:40px;min-width:40px}html[data-vheight=short] .page-shell{margin-top:1.15rem;margin-bottom:2.2rem;gap:1rem}[data-shell=compact] .two-col{grid-template-columns:1fr}[data-viewport=tablet][data-shell=expanded] .global-sidebar{width:220px}[data-viewport=tablet][data-shell=expanded] .global-sidebar-collapsed{width:112px}.mobile-bottom-nav-item{display:inline-flex;flex-direction:column;align-items:center;justify-content:center;gap:.25rem;color:var(--muted);background:transparent;border:none;padding:.45rem .3rem;font:inherit;font-size:clamp(.677rem,calc(.72rem + .158vw),.806rem);font-weight:700}.mobile-bottom-nav-item.active{color:var(--text)}.mobile-bottom-nav-item.disabled{pointer-events:none;opacity:.45}.mobile-bottom-nav-item .sidebar-icon-image{width:18px;height:18px}.mobile-panel-trigger{white-space:nowrap}@media(prefers-reduced-motion:reduce){.global-sidebar,.global-sidebar-title,.global-sidebar-section-label,.global-sidebar-section-action,.global-sidebar-link,.global-sidebar-subnav-link,.sidebar-link-label{transition:none!important}}.app-shell-content{transition:opacity 80ms ease 20ms}.app-shell-content--transitioning{opacity:.55;pointer-events:none}.status-pill{border:1px solid var(--panel-border);background:var(--bg-soft);padding:.18rem .45rem;font-size:clamp(.705rem,calc(.75rem + .165vw),.84rem);font-weight:600}.status-archived{border-color:color-mix(in srgb,var(--panel-border) 88%,transparent);background:color-mix(in srgb,var(--bg-soft) 82%,var(--panel));color:var(--muted)}.tutor-shell{display:flex;flex-direction:column;gap:.6rem}.topbar{display:flex;justify-content:space-between;align-items:center;padding-bottom:1rem;border-bottom:2px solid var(--text)}.archive-collapse{display:grid;overflow:hidden;transform-origin:top;transition:grid-template-rows .28s cubic-bezier(.22,1,.36,1),opacity .22s ease,margin-top .28s cubic-bezier(.22,1,.36,1)}.archive-collapse>*{min-height:0}.archive-collapse.collapsed{grid-template-rows:0fr;opacity:0;margin-top:0;pointer-events:none}.archive-collapse.expanded{grid-template-rows:1fr;opacity:1;margin-top:.1rem}.eyebrow{font-family:DM Mono,monospace;font-size:clamp(.677rem,calc(.72rem + .158vw),.806rem);text-transform:uppercase;letter-spacing:.15em;color:var(--accent);margin-bottom:.25rem}.eyebrow.reader{font-family:DM Mono,monospace;font-size:clamp(.846rem,calc(.9rem + .198vw),1.008rem);text-transform:uppercase;letter-spacing:.15em;color:var(--accent);margin-bottom:.25rem}.muted{color:var(--muted);font-size:clamp(.893rem,calc(.95rem + .209vw),1.064rem)}.muted-newchat{color:var(--muted);font-size:clamp(1.504rem,calc(1.6rem + .352vw),1.792rem)}.truncated{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:clamp(.846rem,calc(.9rem + .198vw),1.008rem)}.full-title-flash-trigger{min-width:0;-webkit-touch-callout:none}.full-title-flash-bubble{position:fixed;z-index:10000;box-sizing:border-box;left:var(--full-title-flash-left, 50%);top:var(--full-title-flash-top, 0);max-width:min(520px,calc(100vw - 24px));transform:translate(-50%,-100%);border:1px solid color-mix(in srgb,var(--accent) 26%,var(--panel-border));background:color-mix(in srgb,var(--panel) 96%,var(--bg-soft) 4%);color:var(--text);border-radius:var(--radius-ui);padding:.42rem .62rem;box-shadow:0 10px 24px #00000038;font-size:clamp(.733rem,calc(.78rem + .172vw),.874rem);font-weight:650;line-height:1.25;overflow-wrap:anywhere;pointer-events:none;white-space:normal;animation:fullTitleFlashPopAbove .12s ease-out}.full-title-flash-bubble--below{transform:translate(-50%);animation-name:fullTitleFlashPopBelow}@keyframes fullTitleFlashPopAbove{0%{opacity:0;transform:translate(-50%,calc(-100% + 4px)) scale(.98)}to{opacity:1;transform:translate(-50%,-100%) scale(1)}}@keyframes fullTitleFlashPopBelow{0%{opacity:0;transform:translate(-50%,4px) scale(.98)}to{opacity:1;transform:translate(-50%) scale(1)}}.grid{display:grid;gap:1.5rem}.two-col{grid-template-columns:repeat(auto-fit,minmax(min(100%,380px),1fr))}.panel{border-radius:var(--radius-ui);padding:1.5rem;display:flex;flex-direction:column;gap:1.25rem;min-width:0;max-width:100%}.stack{display:flex;flex-direction:column;gap:.6rem;min-width:0}.document-row{width:100%;border:1px solid var(--panel-border);background:none;border-radius:var(--radius-ui);color:var(--text);padding:.9rem 1.1rem;text-align:left;display:flex;justify-content:space-between;align-items:center;gap:1rem;cursor:pointer;transition:border-color .18s ease,background-color .18s ease,box-shadow .18s ease;min-width:0}.document-row strong{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:0;flex:1}.document-row .eyebrow{flex-shrink:0}.document-row:hover,.document-row.active{border-color:var(--accent);background-color:var(--bg-soft)}.document-row.active{outline:2px solid color-mix(in srgb,var(--accent) 50%,transparent);outline-offset:0}.mascot-progress-trigger{cursor:pointer;transition:transform .18s ease}.mascot-progress-trigger:hover{transform:none}.mascot-progress-trigger:active{transform:translateY(0)}.mascot-progress-trigger:focus-visible{outline:none;outline-offset:0;border-radius:999px}.mascot-progress-ring{--ring-size: 3.3rem;position:relative;box-sizing:border-box;width:var(--ring-size);height:var(--ring-size);padding:.2rem;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;background:conic-gradient(from 0deg,color-mix(in srgb,var(--success) 90%,white) 0 var(--xp-fill, 0%),color-mix(in srgb,var(--panel-border) 48%,transparent) var(--xp-fill, 0%) 100%);box-shadow:0 0 0 1px color-mix(in srgb,var(--accent) 100%,transparent);transition:background .35s cubic-bezier(.22,1,.36,1),box-shadow .2s ease}.mascot-progress-ring:after{display:none}.mascot-progress-avatar{position:relative;z-index:1;width:100%;height:100%}.mascot-progress-ring .mascot-avatar-image{animation-duration:3.05s}.mascot-level-badge{position:absolute;right:-.001rem;bottom:-.02rem;z-index:2;min-width:1.16rem;height:1.16rem;padding:0 .24rem;border-radius:var(--radius-ui);display:inline-flex;align-items:center;justify-content:center;background:linear-gradient(180deg,color-mix(in srgb,var(--accent) 94%,white) 0%,var(--accent) 100%);color:#fff;border:1px solid color-mix(in srgb,var(--accent) 62%,black);box-shadow:0 8px 14px -12px #0f172a99;clip-path:polygon(50% 0%,92% 12%,100% 46%,50% 100%,0 46%,8% 12%)}.mascot-level-badge span{font-size:clamp(.677rem,calc(.72rem + .158vw),.806rem);line-height:1;font-weight:800;letter-spacing:.02em;transform:translateY(-1px)}.mascot-xp-popover{position:fixed;z-index:2200;box-sizing:border-box;display:grid;gap:.48rem;min-width:188px;max-width:min(224px,calc(100vw - 1.5rem));padding:.72rem .8rem .78rem;border:1px solid var(--panel-border);background:linear-gradient(180deg,color-mix(in srgb,var(--panel) 98%,var(--bg)),color-mix(in srgb,var(--panel) 92%,var(--bg-soft)));color:var(--text);border-radius:var(--radius-ui);box-shadow:0 14px 32px -18px #0f172a80;pointer-events:none;animation:avatarXpPopoverIn .16s cubic-bezier(.22,1,.36,1) forwards}.mascot-xp-popover.placement-top{transform-origin:bottom center}.mascot-xp-popover.placement-bottom{transform-origin:top center}@keyframes avatarXpPopoverIn{0%{opacity:0;transform:translateY(6px) scale(.96)}to{opacity:1;transform:translateY(0) scale(1)}}.mascot-xp-popover-heading{display:flex;align-items:baseline;gap:.42rem;min-width:0;color:var(--text);font-size:clamp(.827rem,calc(.88rem + .194vw),.986rem);line-height:1.1;font-weight:700}.mascot-xp-popover-eyebrow{min-width:0;color:inherit;font-size:inherit;font-weight:800}.mascot-xp-popover-xp{font-size:clamp(1.147rem,calc(1.22rem + .268vw),1.366rem);line-height:1.08;font-weight:800}.mascot-xp-popover-meta{color:color-mix(in srgb,var(--muted) 88%,var(--text));font-size:inherit;line-height:inherit;font-weight:600}.mascot-xp-popover-separator{color:color-mix(in srgb,var(--muted) 70%,var(--text));font-size:clamp(.799em,calc(.85em + .187vw),.952em);line-height:1;transform:translateY(-.02em)}.mascot-avatar{position:relative;width:3.04rem;height:3.04rem;display:inline-flex;align-items:center;justify-content:center;overflow:hidden}.mascot-avatar-image{width:90%;height:90%;object-fit:cover;object-position:center}.tab{background:var(--theme-tab-bg, transparent);border:none;border-bottom:var(--theme-tab-border-bottom-width, 3px) solid var(--theme-tab-border-color, transparent);box-shadow:var(--theme-tab-shadow, none);color:var(--muted);padding:.6rem 1.25rem;font-family:DM Sans,sans-serif;font-weight:600;font-size:clamp(.893rem,calc(.95rem + .209vw),1.064rem);cursor:pointer;transition:color .15s,border-color .15s;margin-bottom:-2px}.tab:hover{color:var(--text)}.tab-active{color:var(--text);border-bottom-color:var(--theme-tab-active-border-color, var(--accent));background:var(--theme-tab-active-bg, transparent);box-shadow:var(--theme-tab-active-shadow, none)}.tab-disabled{cursor:not-allowed;pointer-events:none;opacity:.5;color:var(--muted)}.app-range{--range-progress: 0%;--range-track-height: .5rem;--range-thumb-size: 1.18rem;--range-track-border: color-mix(in srgb, var(--panel-border) 85%, var(--bg-soft));--range-track-border-width: 0px;--range-track-fill: var(--accent);--range-track-rest: color-mix(in srgb, var(--panel-border) 72%, var(--panel));--range-thumb-color: var(--accent);--range-thumb-border-width: 0px;width:100%;height:var(--range-thumb-size);margin:0;padding:0;border:0;border-radius:999px;background:transparent;box-shadow:none;cursor:pointer;-webkit-appearance:none;appearance:none}.app-range:focus{outline:none}.app-range:disabled{--range-track-fill: color-mix(in srgb, var(--accent) 35%, var(--panel-border));--range-thumb-color: color-mix(in srgb, var(--accent) 40%, var(--panel-border));--range-track-rest: color-mix(in srgb, var(--panel-border) 82%, var(--panel));cursor:not-allowed}.app-range::-webkit-slider-runnable-track{height:var(--range-track-height);border:var(--range-track-border-width) solid var(--range-track-border);border-radius:999px;background:linear-gradient(90deg,var(--range-track-fill) 0%,var(--range-track-fill) var(--range-progress),var(--range-track-rest) var(--range-progress),var(--range-track-rest) 100%)}.app-range::-webkit-slider-thumb{width:var(--range-thumb-size);height:var(--range-thumb-size);margin-top:calc((var(--range-track-height) - var(--range-thumb-size)) / 2);border:var(--range-thumb-border-width) solid color-mix(in srgb,var(--panel-border) 42%,var(--range-thumb-color));border-radius:999px;background:var(--range-thumb-color);box-shadow:0 1px 2px color-mix(in srgb,var(--panel) 65%,transparent);-webkit-appearance:none;appearance:none}.app-range:focus-visible::-webkit-slider-thumb{box-shadow:0 1px 2px color-mix(in srgb,var(--panel) 65%,transparent)}.app-range::-moz-range-track{height:var(--range-track-height);border:var(--range-track-border-width) solid var(--range-track-border);border-radius:999px;background:linear-gradient(90deg,var(--range-track-fill) 0%,var(--range-track-fill) var(--range-progress),var(--range-track-rest) var(--range-progress),var(--range-track-rest) 100%)}.app-range::-moz-range-progress{height:var(--range-track-height);border:0;border-radius:999px;background:transparent}.app-range::-moz-range-thumb{width:var(--range-thumb-size);height:var(--range-thumb-size);border:var(--range-thumb-border-width) solid color-mix(in srgb,var(--panel-border) 42%,var(--range-thumb-color));border-radius:999px;background:var(--range-thumb-color);box-shadow:0 1px 2px color-mix(in srgb,var(--panel) 65%,transparent)}.app-range:focus-visible::-moz-range-thumb{box-shadow:0 1px 2px color-mix(in srgb,var(--panel) 65%,transparent)}.app-range::-moz-focus-outer{border:0}.form{display:flex;flex-direction:column;gap:1rem}label,.field-label{display:flex;flex-direction:column;gap:.4rem;font-family:DM Sans,sans-serif;font-weight:600;font-size:clamp(.846rem,calc(.9rem + .198vw),1.008rem);color:var(--muted)}input:not([type=range]),select,textarea{border-radius:var(--radius-ui);border:var(--theme-input-border-width, 1px) solid var(--theme-input-border-color, var(--panel-border));background:var(--theme-input-bg, var(--bg));box-shadow:var(--theme-input-shadow, none);color:var(--text);padding:.65rem .8rem;font:inherit;font-size:clamp(.893rem,calc(.95rem + .209vw),1.064rem);transition:border-color .2s ease,box-shadow .2s ease;width:100%;max-width:100%}input:not([type=range]):not([type=checkbox]):not([type=radio]):focus-visible,select:focus-visible,textarea:focus-visible{outline:none;border-color:var(--theme-input-focus-border-color, var(--panel-border));box-shadow:var(--theme-input-focus-shadow, none)}input:not([type=range]):not([type=checkbox]):not([type=radio]):focus:not(:focus-visible),select:focus:not(:focus-visible),textarea:focus:not(:focus-visible){outline:none;box-shadow:var(--theme-input-focus-shadow, none)}textarea{resize:vertical}.checkbox-row{flex-direction:row;align-items:center;gap:.6rem;cursor:pointer;font-weight:400}.public-contact-form select{-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 10 6'%3E%3Cpath d='M1 1 L5 5 L9 1' stroke='%23777' stroke-width='1.2' stroke-linecap='round' stroke-linejoin='round' fill='none'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right .9rem center;background-size:.9rem .54rem;padding-right:2rem}.public-contact-form select::-ms-expand{display:none}input[type=checkbox]{width:1.1rem;height:1.1rem;border-radius:var(--radius-ui);cursor:pointer;accent-color:var(--accent)}input[type=radio]{width:1.1rem;height:1.1rem;cursor:pointer;accent-color:var(--accent)}.btn{display:inline-flex;align-items:center;justify-content:center;border:var(--theme-btn-border-width, 1px) solid transparent;border-radius:var(--radius-ui);border-color:var(--theme-btn-border-color, var(--button-border));box-shadow:var(--theme-btn-shadow, none);padding:.6rem 1.05rem;cursor:pointer;font-weight:600;font-family:DM Sans,sans-serif;font-size:clamp(.827rem,calc(.88rem + .194vw),.986rem);transition:background .18s ease,color .18s ease,border-color .18s ease,transform .15s ease,box-shadow .18s ease}.btn:hover:not(:disabled){transform:none;box-shadow:var(--theme-btn-hover-shadow, var(--theme-btn-shadow, none))}.btn:active{transform:scale(.97);box-shadow:var(--theme-btn-active-shadow, var(--theme-btn-hover-shadow, var(--theme-btn-shadow, none)))}.btn.primary{color:var(--accent);background:transparent;border-color:var(--theme-btn-primary-border-color, var(--accent))}.btn.primary:hover:not(:disabled){background:var(--accent);border-color:var(--theme-btn-primary-border-color, var(--accent));color:#fff;box-shadow:var(--theme-btn-primary-shadow-hover, 0 4px 14px -2px color-mix(in srgb, var(--accent) 40%, transparent))}.btn.accent-button{background:transparent;border-color:var(--accent);color:var(--accent);font-weight:700;background-image:none;box-shadow:none}.btn.accent-button:hover:not(:disabled){background:color-mix(in srgb,var(--accent) 10%,transparent);border-color:var(--accent);color:var(--accent);box-shadow:0 4px 14px -2px color-mix(in srgb,var(--accent) 20%,transparent)}.btn.ghost{color:var(--text);border-color:var(--theme-btn-ghost-border-color, var(--button-border));background:transparent}.btn.ghost:hover{border-color:var(--theme-btn-ghost-hover-border-color, var(--text))}.btn.connector{border-color:transparent;border-radius:var(--radius-ui);background:linear-gradient(var(--panel),var(--panel)) padding-box,var(--connector-outline-gradient) border-box;color:var(--connector-icon-color)}.btn.connector:hover:not(:disabled){border-color:transparent;background:linear-gradient(color-mix(in srgb,var(--panel) 94%,var(--bg-soft) 6%),color-mix(in srgb,var(--panel) 94%,var(--bg-soft) 6%)) padding-box,var(--connector-outline-gradient) border-box;color:color-mix(in srgb,var(--connector-icon-color) 85%,var(--text) 15%);box-shadow:0 6px 16px -8px color-mix(in srgb,var(--connector-icon-color) 55%,transparent)}.btn.connector svg{color:currentColor}.btn.success-outline{color:var(--success);border-color:var(--success);background:transparent}.btn.success-outline:hover{background:color-mix(in srgb,var(--success) 12%,transparent);border-color:var(--success)}.btn.danger-outline{color:var(--danger);border-color:var(--danger);background:transparent}.btn.danger-outline:hover{background:color-mix(in srgb,var(--danger) 12%,transparent);border-color:var(--danger)}.btn.danger-outline-dark{color:color-mix(in srgb,var(--danger) 72%,#24000d);border-color:color-mix(in srgb,var(--danger) 68%,#24000d);background:transparent}.btn.danger-outline-dark:hover{background:color-mix(in srgb,var(--danger) 20%,transparent);border-color:color-mix(in srgb,var(--danger) 68%,#24000d);color:color-mix(in srgb,#ffffff 90%,var(--danger) 10%)}.btn:disabled{cursor:not-allowed;opacity:.4}.btn.icon-only{padding:.34rem}.row{display:flex;align-items:center}.row.between{justify-content:space-between}.row.gap{gap:.6rem;flex-wrap:wrap}@keyframes voice-wave-pulse{0%{transform:scaleY(calc(.12 + var(--wave-gain) * var(--wave-seed) * .4))}50%{transform:scaleY(calc(.25 + var(--wave-gain) * var(--wave-seed) * 1.6))}to{transform:scaleY(calc(.12 + var(--wave-gain) * var(--wave-seed) * .4))}}@keyframes clozeFillPop{0%{transform:scale(.88);opacity:.6}to{transform:scale(1);opacity:1}}.definition{white-space:pre-wrap;background:var(--bg-soft);padding:1rem;border:1px solid var(--panel-border);margin-top:1rem}.matching-columns{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1.5rem}.matching-item{width:100%;text-align:left;padding:.65rem .9rem;margin-bottom:.5rem;border:1px solid var(--panel-border);background:var(--panel);color:var(--text);cursor:pointer;transition:border-color .15s;font-size:clamp(1.128rem,calc(1.2rem + .264vw),1.344rem)}.matching-item:hover{border-color:var(--text)}.matching-item.active{border-color:var(--accent);background:var(--bg-soft)}.matching-item.matched{border-color:var(--success);opacity:.5;cursor:default}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes fadeOut{0%{opacity:1}to{opacity:0}}@keyframes modalScaleIn{0%{opacity:0;transform:translateY(12px) scale(.96)}to{opacity:1;transform:translateY(0) scale(1)}}@keyframes modalScaleOut{0%{opacity:1;transform:translateY(0) scale(1)}to{opacity:0;transform:translateY(10px) scale(.97)}}@keyframes mobileDrawerSlideIn{0%{opacity:0;transform:translate(-28px)}to{opacity:1;transform:translate(0)}}@keyframes mobileDrawerSlideOut{0%{opacity:1;transform:translate(0)}to{opacity:0;transform:translate(-28px)}}.modal-backdrop{position:fixed;inset:0;background:#00000080;display:grid;place-items:center;z-index:3000;padding:1rem;pointer-events:auto}.modal-backdrop[data-state=open]{animation:fadeIn .2s ease-out forwards}.modal-backdrop[data-state=closed]{animation:fadeOut .2s ease-in forwards}.modal-backdrop-mobile-shell-drawer{place-items:stretch;justify-items:start;padding:0;background:#090f186b;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.modal{width:100%;max-width:clamp(500px,90vw,700px);max-height:90vh;overflow:auto;border:1px solid var(--text);border-radius:var(--radius-ui);background:var(--panel)}.modal[data-state=open]{animation:modalScaleIn .28s cubic-bezier(.34,1.56,.64,1) forwards}.modal[data-state=closed]{animation:modalScaleOut .22s ease-in forwards}.modal.modal-narrow{max-width:456px}.modal.mobile-shell-drawer-modal{width:min(88vw,380px);max-width:min(88vw,380px);min-width:0;max-height:100dvh;height:100dvh;justify-self:start;align-self:stretch;overflow:hidden;border:none;background:transparent;max-height:none;height:100%}.modal.mobile-shell-drawer-modal[data-state=open]{animation:mobileDrawerSlideIn .28s cubic-bezier(.22,1,.36,1) forwards}.modal.mobile-shell-drawer-modal[data-state=closed]{animation:mobileDrawerSlideOut .22s ease-in forwards}.modal.mobile-shell-drawer-modal>.modal-body,.modal.mobile-side-panel-modal>.modal-body{padding:0}.modal.mobile-shell-drawer-modal>.modal-body{height:100%}.modal.mobile-shell-drawer-modal .global-sidebar{width:100%;height:100%;border-right:none;position:static;box-shadow:18px 0 42px #040c143d}.global-sidebar.global-sidebar-mobile-drawer{padding:max(1.1rem,var(--app-safe-top)) max(1rem,var(--app-safe-right)) max(1.1rem,calc(var(--app-safe-bottom) + .7rem)) max(1rem,var(--app-safe-left));border-right:1px solid color-mix(in srgb,var(--text) 8%,transparent);contain:layout paint}.global-sidebar.global-sidebar-mobile-drawer .global-sidebar-main{scrollbar-gutter:stable}.global-sidebar.global-sidebar-mobile-drawer .global-sidebar-footer{margin-top:auto;padding-top:1.6rem}.modal.mobile-side-panel-modal{width:100%;max-width:480px;max-height:min(90vh,90dvh);justify-self:stretch;align-self:end;overflow:visible;border:none;background:transparent;animation:none}.modal.mobile-side-panel-modal .panel{margin:0;max-height:min(90vh,90dvh);overflow:auto}.modal.modal-danger-outline{border-color:var(--danger);box-shadow:0 0 0 3px color-mix(in srgb,var(--danger) 28%,transparent)}.modal-header{display:flex;justify-content:space-between;align-items:center;padding:1rem 1.5rem}.modal-title{min-width:0;flex:1}.modal-title>h3{margin:0}.modal-body{padding:1.5rem}.blocking-import-overlay{position:fixed;inset:0;z-index:3800;background:color-mix(in srgb,var(--bg) 84%,black 16%);display:grid;place-items:center;padding:1rem;pointer-events:all;animation:fadeIn .15s ease-out forwards}.blocking-import-card{width:min(440px,92vw);border:1px solid var(--text);background:var(--panel);color:var(--text);padding:1.25rem 1.5rem;display:grid;gap:.65rem;justify-items:center;text-align:center;box-shadow:0 12px 36px color-mix(in srgb,black 26%,transparent);border-radius:var(--radius-ui)}.blocking-import-spinner{width:2rem;height:2rem;border-radius:999px;border:3px solid color-mix(in srgb,var(--text) 22%,transparent);border-top-color:var(--accent);animation:blockingImportSpin .9s linear infinite}@keyframes blockingImportSpin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.modal.modal-auth{width:min(560px,94vw);border:none;background:transparent;box-shadow:none}.modal.modal-auth>.modal-body{padding:0}.login-auth-card.auth-modal-card{width:100%;margin-left:0;background:var(--panel)}.login-auth-card-header{display:flex;align-items:flex-start;justify-content:space-between;gap:1rem}.login-auth-card-close{flex:0 0 auto;width:40px;height:40px;padding:0!important;margin-top:-.2rem}.icon-btn{width:40px;height:40px;border:1px solid transparent;background:var(--panel);color:var(--text);border-radius:var(--radius-ui);display:inline-flex;align-items:center;justify-content:center;cursor:pointer;transition:border-color .15s}.icon-btn:hover{border-color:var(--text-muted)}.icon-btn:focus,.icon-btn:focus-visible,.icon-btn:active{outline:none!important;border-color:transparent!important}.btn-disabled{cursor:not-allowed;pointer-events:none;opacity:.55;color:var(--muted)!important;border-color:var(--panel-border)!important}.popup-select-container{position:relative;width:100%}.popup-select-container.menu-open{z-index:3600}.popup-select-trigger{width:100%;display:flex;justify-content:space-between;align-items:center;border:var(--theme-popup-select-border-width, 1px) solid var(--theme-popup-select-border-color, var(--panel-border));background:var(--theme-popup-select-bg, var(--bg));box-shadow:var(--theme-popup-select-shadow, none);color:var(--text);padding:.65rem .8rem;font:inherit;cursor:pointer;text-align:left;transition:border-color .15s,box-shadow .15s;border-radius:var(--radius-ui)}.popup-select-trigger:hover{border-color:var(--theme-popup-select-hover-border-color, var(--text))}.popup-select-trigger.open{border-color:var(--theme-popup-select-open-border-color, var(--accent));box-shadow:var(--theme-popup-select-open-shadow, var(--theme-popup-select-shadow, none))}.popup-select-trigger:disabled{opacity:.62;cursor:not-allowed}.popup-select-trigger:disabled:hover{border-color:var(--theme-popup-select-border-color, var(--panel-border))}.popup-select-icon{width:16px;height:16px;transition:transform .2s}.popup-select-trigger.open .popup-select-icon{transform:rotate(180deg)}.popup-select-value-row{display:flex;align-items:center;gap:.5rem;min-width:0;flex:1}.popup-select-value{font-size:clamp(.799rem,calc(.85rem + .187vw),.952rem);min-width:0}@keyframes popupSlideIn{0%{opacity:0;transform:translateY(-6px) scaleY(.95)}to{opacity:1;transform:translateY(0) scaleY(1)}}.popup-select-menu{position:fixed;left:0;width:100%;max-height:280px;overflow-y:auto;overscroll-behavior:none;scrollbar-width:none;-ms-overflow-style:none;border:1px solid var(--text);background:var(--panel);z-index:200;padding:4px;border-radius:var(--radius-ui);display:flex;flex-direction:column;gap:1px;transform-origin:top center;animation:popupSlideIn .2s cubic-bezier(.22,1,.36,1) forwards}.popup-select-menu.placement-top{transform-origin:bottom center}.popup-select-menu::-webkit-scrollbar{width:0;height:0;display:none}.popup-select-item{width:100%;text-align:left;background:transparent;border:none;border-radius:var(--radius-ui);padding:.55rem .8rem;color:var(--text);cursor:pointer;font-family:inherit;transition:background .1s}.popup-select-item-main-row{display:flex;align-items:center;justify-content:space-between;gap:.5rem}.popup-select-item-label-row{display:flex;align-items:center;gap:.5rem;min-width:0;flex:1}.popup-select-option-icon{width:1rem;height:1rem;object-fit:cover;border-radius:2px;flex-shrink:0}.popup-select-item:hover{background:var(--bg-soft)}.popup-select-item.selected{background:var(--bg-soft);color:var(--text);font-weight:600;box-shadow:inset 0 0 0 2px var(--accent)}.popup-select-search{position:sticky;top:0;z-index:1;padding:.25rem .25rem .45rem;background:var(--panel)}.popup-select-search-input{width:100%;border:1px solid var(--panel-border);background:var(--bg);color:var(--text);padding:.65rem .75rem;border-radius:calc(var(--radius-ui) - 2px);font:inherit;font-size:clamp(.799rem,calc(.85rem + .187vw),.952rem);outline:none}.popup-select-search-input::placeholder{color:var(--muted)}.popup-select-search-input:focus{border-color:var(--panel-border)}.popup-select-group{margin-top:.4rem}.popup-select-group:first-child{margin-top:0}.popup-select-empty{padding:.55rem .8rem .75rem;color:var(--muted);font-size:clamp(.799rem,calc(.85rem + .187vw),.952rem)}.popup-select-group-label{font-size:clamp(.658rem,calc(.7rem + .154vw),.784rem);text-transform:uppercase;letter-spacing:.1em;color:var(--accent);padding:.4rem .8rem .15rem;font-family:DM Mono,monospace}@media(max-width:1024px){.page-shell,.public-content-page{width:min(100%,calc(100vw - 2.5rem))}.topbar,.public-page-topbar{align-items:flex-start;flex-wrap:wrap;gap:.85rem}.login-topbar,.login-intro,.login-language-overview,.login-hero,.login-feature-stack,.login-footer-links,.login-footer-divider{width:min(100%,calc(100vw - 1.5rem))}.login-topbar .login-topbar-actions{gap:.65rem}.login-fold{min-height:auto}.login-auth-card{width:100%;max-width:100%;margin-left:auto;margin-right:auto}.login-feature-banner{border-radius:14px}}.signin-shell{min-height:100vh;display:grid;place-items:center;padding:1rem}.signin-card{width:min(480px,94vw);border:1px solid var(--text);background:var(--panel);padding:2.5rem;display:flex;flex-direction:column;gap:1.5rem}.login-page{min-height:100vh;padding:1.5rem 0 4rem;background:radial-gradient(circle at 20% 0%,color-mix(in srgb,var(--accent) 12%,transparent),transparent 42%),radial-gradient(circle at 100% 100%,color-mix(in srgb,var(--accent) 8%,transparent),transparent 40%),var(--bg)}.login-page-native{padding:max(1.25rem,env(safe-area-inset-top)) 1rem max(1.5rem,calc(env(safe-area-inset-bottom) + 1rem));display:grid;place-items:center;background:radial-gradient(circle at top,color-mix(in srgb,var(--accent) 18%,transparent),transparent 46%),linear-gradient(180deg,color-mix(in srgb,var(--panel) 78%,transparent),transparent 38%),var(--bg)}.login-native-shell{width:min(100%,30rem);display:flex;flex-direction:column;gap:1rem}.login-native-brand{display:flex;flex-direction:column;gap:1rem;padding:1rem .15rem .25rem}.login-native-brand-copy{display:flex;flex-direction:column;gap:.55rem}.login-native-eyebrow{margin:0;font-size:clamp(.733rem,calc(.78rem + .172vw),.874rem);font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}.login-native-brand h1{margin:0;font-size:clamp(2rem,8vw,2.8rem);line-height:.98;letter-spacing:-.04em}.login-native-copy{margin:0;font-size:clamp(.94rem,calc(1rem + .22vw),1.12rem);line-height:1.45;color:color-mix(in srgb,var(--text) 72%,var(--muted))}.login-auth-card-native{width:100%;margin:0;border-width:1px;border-radius:var(--radius-ui);box-shadow:0 18px 38px #0f172a14}.login-native-banner{margin:0;padding:.95rem 1rem;border-radius:var(--radius-ui);font-size:clamp(.884rem,calc(.94rem + .207vw),1.053rem);line-height:1.45}.login-native-banner-error{border:1px solid color-mix(in srgb,var(--danger) 32%,var(--panel-border));background:color-mix(in srgb,var(--danger) 10%,var(--panel));color:color-mix(in srgb,var(--danger) 88%,var(--text))}.login-topbar{width:min(1200px,94vw);margin:0 auto;display:flex;justify-content:space-between;align-items:center;padding-bottom:.75rem}.login-topbar-brand-row{display:flex;align-items:center;gap:1rem}.login-topbar-theme-toggle-mobile{display:none}.login-logo-group{display:flex;align-items:center;gap:.85rem}.login-logo-link{text-decoration:none}.login-topbar-logo{height:38px;width:auto;object-fit:contain}.login-logo-group .taalix-logomark{font-family:Outfit,sans-serif;font-size:clamp(1.41rem,calc(1.5rem + .33vw),1.68rem);font-weight:700;letter-spacing:-.02em;color:var(--text);margin:0;line-height:1}.login-topbar .login-topbar-actions{display:flex;align-items:center;gap:1.25rem}.login-topbar-nav-link{min-height:2.75rem;justify-content:center}.login-topbar .login-member-btn{padding:.6rem 1.25rem;font-size:clamp(.893rem,calc(.95rem + .209vw),1.064rem)}.login-intro{width:min(1200px,94vw);margin:0 auto;display:flex;flex-direction:column;gap:.4rem}.login-intro h1{font-size:clamp(2rem,5vw,3.4rem);line-height:1.06;letter-spacing:-.03em}.login-intro-heading{margin:2rem 0 0}.login-intro-copy{max-width:56ch;font-size:clamp(1.128rem,calc(1.2rem + .264vw),1.344rem);font-weight:400;padding:.1rem 0 .6rem}.login-fold{min-height:calc(100vh - 6rem);display:flex;flex-direction:column;gap:1.25rem;justify-content:space-between;margin-bottom:1.5rem}.login-language-overview{width:min(1200px,94vw);margin-top:auto;margin-left:auto;margin-right:auto;padding-top:1.5rem;text-align:center;display:flex;flex-direction:column;gap:1.5rem}.login-language-overview p{color:var(--muted);font-size:clamp(1.034rem,calc(1.1rem + .242vw),1.232rem);font-weight:500}.login-language-badges{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:.6rem 1.25rem}.login-scroll-cue{display:inline-flex;gap:1rem;margin-top:5rem;margin-left:auto;margin-right:auto;color:var(--text);font-weight:700;font-size:clamp(.94rem,calc(1rem + .22vw),1.12rem)}.login-scroll-cue-icon{display:inline-flex;align-items:center;justify-content:center;color:inherit}.login-scroll-cue-icon svg{width:1.3rem;height:1.3rem}.login-language-label{display:inline-flex;align-items:center;gap:.5rem;padding:.2rem 0;font-weight:600;font-size:clamp(.959rem,calc(1.02rem + .224vw),1.142rem);color:color-mix(in srgb,var(--text) 88%,var(--muted))}.login-language-label span{line-height:1;font-size:clamp(1.015em,calc(1.08em + .238vw),1.21em)}.login-language-more-btn{display:inline-flex;align-items:center;justify-content:center;padding:.56rem 1.08rem;border:1px solid color-mix(in srgb,var(--accent) 42%,var(--panel-border));background:color-mix(in srgb,var(--panel) 88%,var(--accent));border-radius:999px;color:var(--text);font-weight:700;font-size:clamp(.902rem,calc(.96rem + .211vw),1.075rem);text-decoration:none;box-shadow:0 6px 16px #0000000f;transition:transform .14s ease,border-color .14s ease,background .14s ease,box-shadow .14s ease}.login-language-more-btn:hover{border-color:color-mix(in srgb,var(--accent) 76%,var(--panel-border));background:color-mix(in srgb,var(--panel) 80%,var(--accent));box-shadow:0 10px 20px #0000001a;transform:none}.login-language-more-btn:focus-visible{outline:none;outline-offset:0}[data-theme=dark] .login-language-more-btn{box-shadow:0 8px 18px #00000047}.login-hero{width:min(1200px,94vw);margin-top:12rem;margin-left:auto;margin-right:auto;display:grid;grid-template-columns:minmax(0,1fr);gap:1rem;justify-items:center;align-items:start}.login-hero-landing{width:min(1200px,94vw);grid-template-columns:minmax(0,1fr) minmax(0,.5fr);gap:5rem;align-items:center}.login-landing-copy{width:min(100%,44rem)}.login-landing-copy .login-intro-heading{margin:0;font-size:clamp(2rem,2.7vw,4.15rem);line-height:1.03}.login-landing-copy .login-intro-copy{padding:.55rem 0 0;max-width:45ch}.login-auth-cta-panel{width:min(100%,26rem);justify-self:start;display:flex;flex-direction:column;align-items:flex-start;gap:.85rem}.login-auth-choice-list{display:flex;flex-direction:column;align-items:flex-start;gap:1rem;width:100%}.login-auth-choice-btn{width:80%;min-height:3.4rem;font-size:clamp(.987rem,calc(1.05rem + .231vw),1.176rem);font-weight:700;letter-spacing:.01em}.login-auth-choice-btn-primary{color:#fff;border-color:var(--accent);background:var(--accent)}.login-auth-choice-btn-primary:hover:not(:disabled){color:#fff;border-color:color-mix(in srgb,var(--accent) 84%,black);background:color-mix(in srgb,var(--accent) 88%,black);box-shadow:0 8px 20px -10px color-mix(in srgb,var(--accent) 52%,transparent)}.login-auth-choice-btn-secondary{color:var(--text);border-color:color-mix(in srgb,var(--panel-border) 64%,var(--accent));background:var(--panel)}.login-auth-choice-btn-secondary:hover:not(:disabled){color:var(--text);border-color:color-mix(in srgb,var(--accent) 68%,var(--panel-border));background:color-mix(in srgb,var(--panel) 92%,var(--accent))}.login-auth-feedback{grid-column:1 / -1;width:100%;margin:0;padding:.85rem 1rem;border-radius:var(--radius-ui);font-size:clamp(.884rem,calc(.94rem + .207vw),1.053rem);line-height:1.45}.login-auth-feedback-error{border:1px solid color-mix(in srgb,var(--danger) 30%,var(--panel-border));color:color-mix(in srgb,var(--danger) 88%,var(--text));background:color-mix(in srgb,var(--danger) 10%,var(--panel))}.login-auth-card{border:1px solid var(--panel-border);border-radius:var(--radius-ui);background:color-mix(in srgb,var(--panel) 50%,transparent);padding:clamp(1.25rem,2.8vw,2rem);display:flex;flex-direction:column;gap:.85rem;width:min(100%,32rem);max-width:100%;min-width:0;margin-inline:auto;justify-self:center}.login-auth-card h2{font-size:clamp(1.222rem,calc(1.3rem + .286vw),1.456rem)}.login-provider-btn{width:100%;justify-content:center;position:relative;border-color:var(--panel-border);background:var(--panel);color:var(--text)}.login-provider-btn:hover{border-color:var(--text)}.login-provider-btn-highlighted{border-color:var(--success)!important;background:color-mix(in srgb,var(--panel) 72%,var(--success));box-shadow:0 0 0 3px color-mix(in srgb,var(--success) 62%,transparent),0 0 0 7px color-mix(in srgb,var(--success) 28%,transparent),0 14px 30px color-mix(in srgb,var(--success) 30%,transparent)}.login-signup-trigger{width:100%;margin-top:.85rem}.login-provider-logo{position:absolute;left:.85rem;width:20px;height:20px;display:block}.login-auth-divider{display:flex;align-items:center;text-align:center;margin:.4rem 0;color:var(--muted);font-family:DM Mono,monospace;font-weight:600;font-size:clamp(.752rem,calc(.8rem + .176vw),.896rem);text-transform:uppercase;letter-spacing:.1em}.login-auth-divider:before,.login-auth-divider:after{content:"";flex:1;border-bottom:2px solid var(--panel-border)}.login-auth-divider:before{margin-right:.75rem}.login-auth-divider:after{margin-left:.75rem}.login-email-form .btn{width:100%}.login-email-form{margin-top:.2rem}.login-inline-link{align-self:flex-start;padding:.45rem .65rem;font-size:clamp(.799rem,calc(.85rem + .187vw),.952rem)}.login-reset-actions{display:flex;flex-direction:column;gap:.55rem}.login-reset-action-btn{width:100%;justify-content:center}.login-auth-message{margin:.4rem 0 0;font-size:clamp(.846rem,calc(.9rem + .198vw),1.008rem)}.login-auth-message-error{color:var(--danger)}.login-auth-message-success{color:var(--success)}.login-signup-modal .modal-body{padding:1.2rem 1.25rem 1.35rem}.login-signup-form{margin:0}.login-feature-stack{width:min(1200px,94vw);margin:2.2rem auto 0;display:flex;flex-direction:column;gap:3rem}.login-footer-divider{width:min(1200px,94vw);height:18px;margin:1.4rem auto .8rem;border-top:1px solid var(--panel-border);border-bottom:1px solid var(--panel-border);background:repeating-linear-gradient(-45deg,transparent 0 10px,color-mix(in srgb,var(--accent) 8%,transparent) 10px 20px)}.login-feature-banner{--login-feature-title-size: clamp(2rem, 2.2vw, 3rem);--login-feature-info-size: clamp(1.08rem, 1.3vw, 1.9rem);--login-feature-info-line-height: 1.6;border:1px solid var(--panel-border);background:var(--panel);color:inherit;display:grid;grid-template-columns:.75fr 1.25fr;align-items:center;padding:0;overflow:hidden;border-radius:var(--radius-ui);text-decoration:none;transform:translate(80px) scale(.96);opacity:0;transition:transform 0s linear .4s,opacity .4s ease 0s}.login-feature-banner.login-feature-banner-reverse{transform:translate(-80px) scale(.96);grid-template-columns:1.25fr .75fr}.login-feature-banner.feature-in-view{transform:translate(0) scale(1)!important;opacity:1;transition:transform 1s cubic-bezier(.22,1,.36,1) 0s,opacity .3s ease-out 0s}.login-feature-copy{padding:clamp(1.4rem,3.5vw,2.5rem)}.login-feature-banner-reverse .login-feature-copy{order:2}.login-feature-banner-reverse .login-feature-image-wrap{order:1}.login-feature-copy h2:not(.eyebrow){font-size:var(--login-feature-title-size);line-height:1.08;margin-bottom:.65rem}.login-feature-eyebrow{margin-bottom:1rem}.login-feature-copy p{font-size:var(--login-feature-info-size);line-height:var(--login-feature-info-line-height);color:var(--muted)}.login-feature-image-wrap{display:flex;align-items:center;justify-content:center;height:100%;padding:clamp(1.5rem,4vw,3rem);background:#00000008}.login-feature-image{max-width:100%;max-height:100%;width:auto;height:auto;display:block;object-fit:contain;border-radius:12px;box-shadow:0 8px 30px #0000001f;border:1px solid var(--panel-border)}.login-footer-links{width:min(1200px,94vw);margin:1.2rem auto 0;border:1px solid var(--panel-border);background:var(--panel);display:grid;grid-template-columns:repeat(4,auto);justify-content:space-between;gap:1.1rem;padding:clamp(1rem,2.8vw,1.5rem)}.login-footer-link-group h3{margin:0 0 .6rem;font-size:clamp(.893rem,calc(.95rem + .209vw),1.064rem)}.login-footer-link-group ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:.5rem}.login-footer-link-group a{color:var(--muted);text-decoration:none;font-weight:600;font-size:clamp(.827rem,calc(.88rem + .194vw),.986rem)}.login-footer-link-group a:hover{color:var(--text)}.public-info-page .topbar{align-items:flex-start;gap:.8rem}.public-info-page .panel p{color:var(--text)}.public-info-page .panel p.muted,.public-info-page .panel .muted{color:var(--muted)}.public-info-page .panel li{color:var(--text)}.public-content-page{width:min(980px,94vw);gap:1.1rem}.public-page-topbar{padding-bottom:.85rem}.public-page-topbar h1{font-size:clamp(1.6rem,3.4vw,2.3rem)}.public-page-topbar .muted{font-size:clamp(.846rem,calc(.9rem + .198vw),1.008rem)}.public-page-actions{display:flex;align-items:center;gap:.75rem;flex-wrap:wrap}.public-page-actions .btn,.public-page-actions .theme-toggle,.public-page-back-link{white-space:nowrap}.public-card{gap:.95rem;padding:clamp(1rem,2.2vw,1.3rem);display:flex;flex-direction:column}.public-card-compact{gap:.7rem}.public-card h2{font-size:clamp(.978rem,calc(1.04rem + .229vw),1.165rem)}.public-card p,.public-card li{font-size:clamp(.94rem,calc(1rem + .22vw),1.12rem)}.public-card-head{display:flex;flex-direction:column;gap:.28rem;font-size:clamp(.94rem,calc(1rem + .22vw),1.12rem)}.public-input-wrap input{width:100%}.public-contact-form textarea{min-height:180px}.public-contact-form .btn{align-self:flex-start}.report-bug-form textarea{min-height:170px}.report-bug-actions .btn{min-width:136px}.report-trigger-btn .report-flag-icon{width:20.7px;height:20.7px}.report-trigger-btn svg{animation:none}.faq-list{display:flex;flex-direction:column;gap:.6rem}.faq-item{border:1px solid var(--panel-border);border-radius:var(--radius-ui);background:var(--bg);transition:border-color .2s ease}.faq-item:hover{border-color:color-mix(in srgb,var(--accent) 40%,var(--panel-border))}.faq-item summary{cursor:pointer;list-style:none;font-size:clamp(.94rem,calc(1rem + .22vw),1.12rem);font-weight:700;padding:1rem .85rem;display:flex;align-items:center;justify-content:space-between;gap:.6rem;transition:background .15s ease}.faq-item summary:hover{background:color-mix(in srgb,var(--accent) 5%,transparent)}.faq-item summary:after{content:"";width:.5rem;height:.5rem;border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);transform:rotate(-45deg);flex-shrink:0;transition:transform .25s cubic-bezier(.22,1,.36,1)}.faq-item[open] summary:after{transform:rotate(45deg)}.faq-item summary::-webkit-details-marker{display:none}.faq-item[open] summary{border-bottom:1px solid var(--panel-border)}.faq-item p{font-size:clamp(.94rem,calc(1rem + .22vw),1.12rem);margin:0;padding:.8rem .85rem;color:var(--muted);animation:faqContentReveal .25s ease-out}@keyframes faqContentReveal{0%{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:translateY(0)}}.not-found-card{text-align:center;padding:3rem 2rem}.not-found-card h1{font-size:clamp(3.76rem,calc(4rem + .65vw),4.48rem);font-weight:800;letter-spacing:-.04em;margin-bottom:.25rem;color:var(--muted)}.not-found-card p{font-size:clamp(1.034rem,calc(1.1rem + .242vw),1.232rem);color:var(--muted);margin-bottom:1.5rem}.not-found-card .row{justify-content:center}.content-locked{opacity:.52;filter:saturate(.65)}@keyframes fadeInTooltip{0%{opacity:0}to{opacity:1}}.membership-locked-panel{min-height:260px;justify-content:center}.membership-inline-notice{border:1px dashed var(--panel-border);background:color-mix(in srgb,var(--accent) 10%,var(--panel));padding:.8rem;margin-bottom:.9rem;display:flex;flex-direction:column;gap:.55rem}.user-menu{position:relative;z-index:40}.user-menu-trigger{width:40px;height:40px;border-radius:var(--radius-ui);border:1px solid var(--panel-border);background:var(--panel);color:var(--text);display:inline-flex;align-items:center;justify-content:center;cursor:pointer;padding:0;overflow:hidden;font-family:DM Sans,sans-serif;font-weight:700;transition:border-color .15s}.global-sidebar-footer-row .user-menu-trigger{display:flex;width:40px;height:40px;border-radius:50%}.global-sidebar-footer-row .user-menu{display:flex;align-items:center;justify-content:center;line-height:0}.user-menu-trigger:hover{border-color:var(--accent)}.user-menu-trigger:disabled{cursor:not-allowed;border-color:var(--panel-border);color:var(--muted);opacity:.58}.user-menu-trigger:disabled:hover{border-color:var(--panel-border)}.user-menu-avatar{width:100%;height:100%;object-fit:cover}.user-menu-fallback{font-size:clamp(.846rem,calc(.9rem + .198vw),1.008rem)}.user-menu-popover{position:absolute;left:0;right:auto;transform:none;bottom:calc(100% + 6px);min-width:100px;max-width:min(150px,calc(100vw - 24px));background:var(--panel);border:1px solid var(--text);border-radius:var(--radius-ui);padding:6px;z-index:100;transform-origin:bottom left;animation:userMenuIn .2s cubic-bezier(.22,1,.36,1) forwards}@keyframes userMenuIn{0%{opacity:0;transform:translateY(6px) scale(.94)}to{opacity:1;transform:translateY(0) scale(1)}}.global-sidebar-collapsed .user-menu-popover{position:absolute;left:calc(100% + .55rem);transform:none;bottom:0;z-index:1600}.user-menu-name{font-size:clamp(.771rem,calc(.82rem + .18vw),.918rem);color:var(--muted);padding:.4rem .6rem;border-bottom:1px solid var(--panel-border);margin-bottom:.3rem}.user-menu-item{width:100%;text-align:left;border:none;background:transparent;color:var(--text);padding:.6rem .8rem;cursor:pointer;font-family:DM Sans,sans-serif;white-space:nowrap;transition:background .1s}.user-menu-item:hover{background:var(--bg-soft)}.user-menu-item.danger{color:var(--danger)}.user-menu-item.danger:hover{background:#cc224414}.theme-toggle{width:40px;height:40px;border-radius:50%;border:1px solid var(--panel-border);background:var(--panel);color:var(--text);cursor:pointer;display:inline-flex;align-items:center;justify-content:center;transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease}.theme-toggle:hover{border-color:var(--accent);transform:scale(1.1);box-shadow:0 2px 10px -2px color-mix(in srgb,var(--accent) 30%,transparent)}.theme-toggle:active{transform:scale(.95)}.theme-toggle:disabled{cursor:not-allowed;border-color:var(--panel-border);color:var(--muted);opacity:.58}.theme-toggle:disabled:hover{border-color:var(--panel-border);transform:none;box-shadow:none}.theme-toggle svg{width:18px;height:18px;animation:themeToggleSpin .4s cubic-bezier(.22,1,.36,1)}@keyframes themeToggleSpin{0%{transform:rotate(-90deg) scale(.8);opacity:.3}to{transform:rotate(0) scale(1);opacity:1}}.context-menu-layer{position:fixed;inset:0;z-index:250;pointer-events:none}@keyframes contextMenuIn{0%{opacity:0;transform:scale(.92)}to{opacity:1;transform:scale(1)}}.context-menu{position:fixed;width:220px;border:1px solid var(--text);background:var(--panel);padding:4px;display:flex;flex-direction:column;gap:1px;pointer-events:auto;max-height:320px;overflow-y:auto;overscroll-behavior:none;scrollbar-width:none;-ms-overflow-style:none;transform-origin:top right;animation:contextMenuIn .18s cubic-bezier(.22,1,.36,1) forwards;border-radius:var(--radius-ui)}.context-menu::-webkit-scrollbar{width:0;height:0;display:none}.context-menu-item{border:none;background:transparent;color:var(--text);width:100%;text-align:left;padding:.55rem .7rem;font:inherit;cursor:pointer;transition:background .12s ease}.context-menu-item:hover{background:var(--bg-soft)}.context-menu-item:disabled{opacity:.45;cursor:not-allowed}.context-menu-item.danger{color:var(--danger)}.context-menu-item.danger:hover{background:#cc22440f}.import-dropzone{border:1px dashed var(--panel-border);background:var(--bg-soft);padding:1.5rem;display:flex;flex-direction:column;align-items:center;gap:.6rem;text-align:center;cursor:pointer;transition:border-color .15s}.import-dropzone:hover{border-color:var(--text)}.import-modal-centered{margin-left:auto;margin-right:auto}.modal.modal-narrow.import-modal-centered{width:min(83vw,700px);max-width:700px;max-height:calc(100dvh - 2rem);overflow:auto}.import-dropzone-title{font-size:clamp(1.504rem,calc(1.6rem + .352vw),1.792rem);font-weight:700;line-height:1;margin:0;color:var(--text)}.import-mode-buttons{display:flex;gap:.4rem;margin-top:.4rem;flex-wrap:wrap;justify-content:center}.import-mode-btn{flex:1;min-width:100px}.import-mode-btn.active{border-color:var(--accent);color:var(--text)}.undo-snackbar{position:fixed;right:1rem;bottom:1rem;z-index:3000;background:var(--panel);border:1px solid var(--text);min-width:250px;max-width:min(420px,calc(100vw - 2rem));padding:.5rem .65rem;display:flex;align-items:center;gap:.45rem}.undo-snackbar-message{font-size:clamp(.865rem,calc(.92rem + .202vw),1.03rem);line-height:1.35}.undo-snackbar-action{min-height:34px;padding:.35rem .7rem;font-size:clamp(.827rem,calc(.88rem + .194vw),.986rem)}.xp-toast-stack{position:fixed;left:50%;top:max(5.6rem,calc(env(safe-area-inset-top) + 4.6rem));transform:translate(-50%);z-index:3100;display:flex;flex-direction:column;align-items:center;gap:.42rem;pointer-events:none}.xp-toast{border:1px solid color-mix(in srgb,var(--success) 30%,var(--panel-border));background:color-mix(in srgb,var(--success) 12%,var(--panel));color:var(--success);min-width:220px;max-width:min(420px,calc(100vw - 2rem));padding:.52rem .68rem;box-shadow:0 9px 24px -18px #0000008c;font-size:clamp(.808rem,calc(.86rem + .189vw),.963rem);font-weight:600;line-height:1.3;transform:translateY(8px);opacity:0;transition:opacity .22s ease,transform .22s ease}.xp-toast.enter{opacity:1;transform:translateY(0);animation:xpToastBounceIn .35s cubic-bezier(.34,1.56,.64,1)}.xp-toast.exit{opacity:0;transform:translateY(-8px)}.xp-toast.level_up{border-color:color-mix(in srgb,var(--accent) 55%,var(--panel-border))}.xp-toast.session_complete{border-color:color-mix(in srgb,var(--success) 55%,var(--panel-border))}.xp-toast.bonus_round{border-color:color-mix(in srgb,#a96e06 72%,var(--panel-border));background:color-mix(in srgb,#c8840e 30%,var(--panel));color:color-mix(in srgb,#3b2500 88%,var(--text))}.xp-toast.streak{border-color:color-mix(in srgb,#d19a2a 72%,var(--panel-border));background:color-mix(in srgb,#6b4a0d 76%,var(--panel));color:color-mix(in srgb,#f7d27a 86%,#ffffff 14%)}@keyframes xpToastBounceIn{0%{opacity:0;transform:translateY(16px) scale(.9)}60%{opacity:1;transform:translateY(-3px) scale(1.02)}to{opacity:1;transform:translateY(0) scale(1)}}.tts-toggle-shell{position:relative;display:inline-flex;align-items:center;justify-content:center}.tts-disabled-flash{position:absolute;left:50%;top:calc(100% + .45rem);transform:translate(-50%) translateY(-2px);max-width:10.5rem;padding:.35rem .55rem;border:1px solid var(--panel-border);border-radius:10px;background:color-mix(in srgb,var(--panel) 94%,var(--bg-soft) 6%);color:var(--text);box-shadow:0 8px 18px #00000029;font-size:clamp(.639rem,calc(.68rem + .15vw),.762rem);font-weight:600;line-height:1.15;letter-spacing:.01em;text-align:center;white-space:normal;pointer-events:none;opacity:0;z-index:40;transition:opacity .12s ease,transform .12s ease}.tts-disabled-flash.visible{opacity:1;transform:translate(-50%) translateY(0);animation:ttsDisabledFlashPop .9s ease-out}@keyframes ttsDisabledFlashPop{0%{opacity:0;transform:translate(-50%) translateY(6px) scale(.98)}18%{opacity:1;transform:translate(-50%) translateY(0) scale(1)}82%{opacity:1;transform:translate(-50%) translateY(0) scale(1)}to{opacity:0;transform:translate(-50%) translateY(-2px) scale(.99)}}@keyframes lessonMilestoneIn{0%{opacity:0;transform:translate(-50%,15px)}to{opacity:1;transform:translate(-50%)}}@keyframes lessonWrongShake{0%{transform:translate(0)}25%{transform:translate(-4px)}50%{transform:translate(4px)}75%{transform:translate(-2px)}to{transform:translate(0)}}@keyframes mascotBreathe{0%,to{transform:scale(1)}50%{transform:scale(1.045)}}@keyframes msBreathe{0%,to{transform:scaleY(1) translateY(0)}50%{transform:scaleY(1.02) translateY(-1px)}}@keyframes msBlink{0%,42%,48%,to{transform:scaleY(1)}45%{transform:scaleY(.08)}}@keyframes msEarL{0%,86%,94%,to{transform:rotate(0)}90%{transform:rotate(-5deg)}}@keyframes msEarR{0%,86%,94%,to{transform:rotate(0)}90%{transform:rotate(5deg)}}@keyframes msGemPulse{0%,to{opacity:.85;transform:scale(1)}50%{opacity:1;transform:scale(1.12)}}@keyframes msHappyFly{0%{transform:translateY(0) scale(1) rotate(0)}15%{transform:translateY(-30px) scale(1.1,.9) rotate(-5deg)}30%{transform:translateY(-45px) scale(1.05) rotate(3deg)}50%{transform:translateY(-35px) scale(.95,1.05) rotate(-2deg)}70%{transform:translateY(-10px) scale(1.04,.96) rotate(1deg)}85%{transform:translateY(5px) scale(.97,1.03) rotate(0)}to{transform:translateY(0) scale(1) rotate(0)}}@keyframes msGemFlash{0%{transform:scale(1);opacity:.85}30%{transform:scale(1.6);opacity:1}to{transform:scale(1);opacity:.85}}@keyframes msSadDroop{0%{transform:translateY(0) rotate(0) scale(1)}40%{transform:translateY(6px) rotate(-4deg) scale(.96,1.02)}to{transform:translateY(4px) rotate(-3deg) scale(.98)}}@keyframes msSadEarL{0%{transform:rotate(0)}to{transform:rotate(-15deg)}}@keyframes msSadEarR{0%{transform:rotate(0)}to{transform:rotate(15deg)}}@keyframes msCelebrateJump{0%{transform:translateY(0) scale(1) rotate(0)}12%{transform:translateY(8px) scale(1.15,.85) rotate(0)}30%{transform:translateY(-55px) scale(.88,1.12) rotate(-8deg)}45%{transform:translateY(-60px) scale(1.05) rotate(5deg)}60%{transform:translateY(-20px) scale(.95,1.05) rotate(-3deg)}75%{transform:translateY(5px) scale(1.06,.94) rotate(1deg)}88%{transform:translateY(-8px) scale(.98,1.02) rotate(0)}to{transform:translateY(0) scale(1) rotate(0)}}@keyframes msCelebrateGem{0%{transform:scale(1);opacity:.85}20%{transform:scale(2);opacity:1}50%{transform:scale(1.3);opacity:.95}to{transform:scale(1);opacity:.85}}@keyframes msCelebrateEarL{0%,to{transform:rotate(0)}25%{transform:rotate(10deg)}50%{transform:rotate(-8deg)}75%{transform:rotate(4deg)}}@keyframes msCelebrateEarR{0%,to{transform:rotate(0)}25%{transform:rotate(-10deg)}50%{transform:rotate(8deg)}75%{transform:rotate(-4deg)}}@keyframes msGemRing{0%{r:5;opacity:.8;stroke-width:3}to{r:50;opacity:0;stroke-width:.5}}@keyframes msSparkleOut{0%{transform:scale(0) rotate(0);opacity:0}20%{transform:scale(1.4) rotate(20deg);opacity:1}60%{transform:scale(1) rotate(60deg);opacity:.8}to{transform:scale(.3) rotate(120deg);opacity:0}}@keyframes msConfettiBurst{0%{transform:translate(0) scale(0);opacity:0}15%{transform:translate(0) scale(1.5);opacity:1}to{transform:translate(var(--confetti-dx, 0px),var(--confetti-dy, -40px)) scale(0);opacity:0}}@keyframes msThinkSway{0%,to{transform:rotate(0)}25%{transform:rotate(2.5deg)}75%{transform:rotate(-2.5deg)}}@keyframes lessonMilestoneIn{0%{opacity:0;transform:translateY(-5px) scale(.98)}to{opacity:1;transform:translateY(0) scale(1)}}.profile-avatar{width:100%;height:100%;object-fit:cover}.mode-setup-segmented{display:inline-flex;border:1px solid var(--panel-border);background:var(--panel);width:100%;box-sizing:border-box}.mode-setup-segmented.mode-setup-segmented-centered{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(6.9rem,6.9rem);width:fit-content;max-width:100%;margin-inline:auto;margin-top:2rem}.mode-setup-segmented.mode-setup-segmented-centered .mode-setup-segment{flex:0 0 auto;width:auto;min-width:0;max-width:none;text-align:center}.mode-setup-segment{flex:1;border:none;background:transparent;color:var(--text);padding:.5rem .6rem;cursor:pointer;transition:background .16s ease,color .16s ease,box-shadow .16s ease}.mode-setup-segment+.mode-setup-segment{border-left:1px solid var(--panel-border)}.mode-setup-segment.active{background:var(--accent);color:#fff;font-weight:700}.matching-item.wrong{border-color:var(--danger);background:#cc224429}.copy-toast{position:fixed;bottom:2rem;left:50%;transform:translate(-50%);background:transparent;color:var(--success, #2e7d32);padding:0;font-size:clamp(.752rem,calc(.8rem + .176vw),.896rem);font-weight:700;letter-spacing:.03em;pointer-events:none;opacity:0;transition:opacity .15s;z-index:9999;white-space:nowrap}.copy-toast.visible{opacity:1;transform:translate(-50%)}@keyframes spotlightPulse{0%,to{box-shadow:0 0 0 2px #ffd56e38,0 0 28px #ffd56e6b}50%{box-shadow:0 0 0 4px #ffd56e52,0 0 40px #ffd56e8c}}@keyframes spotlightPulseMemory{0%,to{box-shadow:0 0 0 2px #ffd56e38,0 0 24px #ffd56e66}50%{box-shadow:0 0 0 6px #ffd56e2e,0 0 44px #ffd56e9e}}@keyframes tourBubbleIn{0%{opacity:0;transform:translateY(16px) scale(.94)}to{opacity:1;transform:translateY(0) scale(1)}}@keyframes tourBubbleFloat{0%,to{transform:translateY(0) scale(1)}50%{transform:translateY(-5px) scale(1)}}@keyframes tourBubbleSettle{0%,to{transform:translateY(0) scale(1)}50%{transform:translateY(-3px) scale(1.003)}}@keyframes tourBubbleMemory{0%,to{transform:translateY(0) translate(0) scale(1)}35%{transform:translateY(-3px) translate(-2px) scale(1.004)}70%{transform:translateY(0) translate(2px) scale(.998)}}@keyframes tourAvatarBounce{0%{transform:scale(.6) rotate(-8deg);opacity:0}to{transform:scale(1) rotate(0);opacity:1}}@keyframes tourAvatarWave{0%,to{transform:translateY(0) rotate(0)}25%{transform:translateY(-1px) rotate(-5deg)}50%{transform:translateY(-2px) rotate(6deg)}75%{transform:translateY(-1px) rotate(-3deg)}}@keyframes tourAvatarHop{0%,to{transform:translateY(0) scale(1)}35%{transform:translateY(-4px) scale(1.04)}70%{transform:translateY(0) scale(.99)}}@keyframes tourAvatarNod{0%,to{transform:translateY(0) rotate(0)}30%{transform:translateY(1px) rotate(2deg)}60%{transform:translateY(-2px) rotate(-2deg)}}.u-inline-001{gap:.75rem;justify-items:center;text-align:center}.u-inline-002{margin:0}.u-inline-003{justify-content:flex-end}.u-inline-004{position:absolute;top:-45px;left:50%;margin-left:-45px;width:90px;height:90px;z-index:100;pointer-events:none;display:flex;align-items:flex-end;justify-content:center}.u-inline-005{position:absolute;bottom:20px;width:100px;height:100px;border-radius:50%;filter:blur(20px);z-index:0}.u-inline-006{position:relative;z-index:2;width:100%;height:100%;transform-origin:bottom center}.u-inline-007{width:100%;height:100%;object-fit:contain;filter:drop-shadow(0 10px 15px rgba(0,0,0,.2))}.u-inline-008{position:absolute;bottom:-5px;width:80px;height:16px;background:#0003;border-radius:50%;z-index:1}.u-inline-009{height:32px}.u-inline-010{pointer-events:none;-webkit-user-select:none;user-select:none;color:var(--accent);border-color:color-mix(in srgb,var(--accent) 40%,transparent)}.u-inline-011{gap:.9rem}.u-inline-012{margin-top:.2rem}.u-inline-013{margin-bottom:0}.u-inline-014{padding:0;font-size:clamp(.799rem,calc(.85rem + .187vw),.952rem);color:var(--muted);cursor:pointer;background:none;border:none}.u-inline-015{display:flex;gap:.5rem}.u-inline-016{border-top-color:currentColor;opacity:.6}.u-inline-017{display:flex;gap:.5rem;align-items:center}.u-inline-018{padding:.5rem 0 0}.u-inline-019{margin-bottom:1.5rem;line-height:1.5}.u-inline-020{inset:0}.u-inline-021{display:flex;justify-content:space-between;align-items:center;width:100%;gap:1rem}.u-inline-022{text-align:left;flex:1}.u-inline-023{white-space:nowrap}.u-inline-024{color:var(--accent);margin-top:.2rem}.u-inline-025{display:flex;justify-content:space-between;align-items:center}.u-inline-026{padding:.2rem;height:auto}.u-inline-027{margin:1rem auto;max-width:640px}.u-inline-028{margin-top:1rem}.u-inline-029{margin-bottom:0}.u-inline-030{margin:0;white-space:pre-wrap;word-break:break-word;background:#0000000d;padding:.75rem;border-radius:.5rem}.u-inline-031{margin-top:1rem}.u-inline-032{filter:drop-shadow(0px 3px 5px rgba(0,0,0,.15))}.u-inline-033{margin-left:auto}.u-inline-034{gap:1rem}.u-inline-035{gap:.45rem}.u-inline-036{color:#ff9bb9;margin:0}.u-inline-037{margin-bottom:.5rem}.u-inline-038{color:var(--danger)}.u-inline-039{gap:.2rem}.u-inline-040{margin-bottom:1rem;line-height:1.5}.u-inline-041{position:relative}.u-inline-042{display:flex;flex-direction:column;gap:.5rem;align-items:center}.u-inline-043{font-size:clamp(.94rem,calc(1rem + .22vw),1.12rem);color:var(--muted);margin:0;font-weight:600}.u-inline-044{font-size:clamp(1.88rem,calc(2rem + .44vw),2.24rem);margin:0;line-height:1.3}.u-inline-045{justify-content:flex-end;flex-wrap:wrap}.u-inline-048{margin-top:.8rem;color:var(--danger);font-weight:600}.u-inline-049{height:100vh}.u-inline-050{flex:1}.u-inline-051{align-items:center;gap:.75rem;flex-wrap:wrap}.u-inline-052{color:#ff9bb9;margin:.5rem 0 0}.u-inline-053{margin-top:.75rem}.u-inline-054{margin:.25rem 0 0}.u-inline-055{margin-bottom:.4rem}.u-inline-056{margin:0;color:var(--danger)}.terms-text{line-height:1.7;margin:0;font-size:clamp(.94rem,calc(1rem + .22vw),1.12rem);font-family:var(--font-family);color:var(--text)}.terms-text p,.terms-text li{text-align:start;text-justify:auto}.terms-text h3{text-align:left}.u-inline-058{position:absolute;width:0;height:0}.u-inline-059{padding:2rem}.u-inline-060{margin-bottom:1.5rem}.u-inline-061{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1rem}.u-inline-062{font-size:clamp(1.128rem,calc(1.2rem + .264vw),1.344rem);width:30px;display:flex;align-items:center;justify-content:center}.u-inline-063{width:17px;height:15px;object-fit:cover;clip-path:url(#flag-wave);-webkit-clip-path:url(#flag-wave);transform:scale(1.05);filter:drop-shadow(0 1px 1px rgba(0,0,0,.15))}.u-inline-064{font-weight:500;color:var(--text)}.u-inline-065{margin-left:auto;font-size:clamp(.799rem,calc(.85rem + .187vw),.952rem);white-space:nowrap}.u-inline-066{gap:.5rem}.u-inline-067{gap:.55rem;align-items:flex-start}.u-inline-068{width:40%;height:24px;border-radius:0}.u-inline-069{display:none}.u-inline-070{margin-top:.5rem}.u-inline-071{margin-bottom:.4rem;font-style:italic;color:var(--muted)}.u-inline-072{margin-bottom:.4rem;color:var(--muted)}@media(max-width:1024px){.login-hero,.login-feature-banner{grid-template-columns:1fr}.login-footer-links{grid-template-columns:repeat(2,minmax(0,1fr))}.login-feature-banner-reverse .login-feature-copy,.login-feature-banner-reverse .login-feature-image-wrap{order:initial}}@media(max-width:960px){.xp-toast-stack{left:50%}}@media(max-width:900px){.modal.mobile-shell-drawer-modal{width:min(61.6vw,266px);max-width:min(61.6vw,266px)}}@media(max-width:767px){.mobile-bottom-nav{position:sticky;left:0;right:0;bottom:0;z-index:45;flex:0 0 auto;margin-top:auto;display:grid;grid-auto-flow:column;grid-auto-columns:minmax(0,1fr);gap:.1rem;padding:.45rem max(.4rem,env(safe-area-inset-right)) calc(.45rem + env(safe-area-inset-bottom)) max(.4rem,env(safe-area-inset-left));border-top:1px solid var(--panel-border);background:color-mix(in srgb,var(--panel) 94%,var(--bg));-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px)}.mobile-bottom-nav-item{gap:.16rem;padding:.36rem .12rem;font-size:clamp(.62rem,calc(.66rem + .145vw),.739rem)}.mobile-bottom-nav-item .sidebar-icon-image{width:16px;height:16px}.mobile-bottom-nav-item span{max-width:100%;line-height:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.page-shell,.public-content-page{width:min(100%,calc(100vw - 2.5rem))}.page-shell{gap:1rem}.panel{padding:1rem;gap:1rem}.public-page-topbar h1{font-size:clamp(1.269rem,calc(1.35rem + .297vw),1.512rem)}.mascot-progress-ring{--ring-size: 2.98rem;display:grid;place-items:center;width:100%;height:100%;min-width:100%;min-height:100%;aspect-ratio:1 / 1;border-radius:50%}.mascot-level-badge{min-width:1.04rem;height:1.04rem}.public-contact-form .btn{width:100%}.document-row{padding:.85rem .9rem}.skeleton-box{background:color-mix(in srgb,var(--panel-border) 40%,transparent);border-radius:4px;position:relative;overflow:hidden}.skeleton-pulse:after{content:"";position:absolute;inset:0;transform:translate(-100%);background:linear-gradient(90deg,transparent,rgba(255,255,255,.05),transparent);animation:skeleton-shimmer 1.5s infinite}@keyframes skeleton-shimmer{to{transform:translate(100%)}}.mobile-panel-trigger{width:auto;padding-inline:.6rem;height:32px;min-height:32px;font-size:clamp(.799rem,calc(.85rem + .187vw),.952rem)}.signin-card,.login-auth-card,.public-card{padding:1rem}.login-auth-card{width:100%;max-width:100%;margin-inline:auto}.login-page{padding-top:1rem;padding-bottom:2rem}.login-page-native{padding-left:.9rem;padding-right:.9rem}.login-native-shell{width:min(100%,28rem)}.login-topbar,.login-intro,.login-language-overview,.login-hero,.login-feature-stack,.login-footer-links,.login-footer-divider{width:calc(100vw - 1rem);max-width:calc(100vw - 1rem)}.login-topbar{align-items:stretch;flex-direction:column;gap:clamp(.6rem,1.8vh,.95rem)}.login-logo-group,.login-language-badges{width:100%}.login-topbar-brand-row{width:100%;justify-content:space-between}.login-topbar-theme-toggle-mobile{display:inline-flex}.login-topbar-theme-toggle-desktop,.login-topbar-blog-link{display:none}.login-topbar .login-topbar-actions{width:100%;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.65rem}.login-topbar-nav-link,.login-topbar .login-member-btn{width:100%;min-height:2.9rem;padding-inline:.95rem}.login-topbar .theme-toggle{width:40px;min-width:40px;height:40px;flex:0 0 40px;border-radius:999px}.public-page-actions{width:100%;justify-content:space-between}.login-fold{min-height:calc(100svh - clamp(6.25rem,18vh,8rem));gap:clamp(.9rem,2.7vh,1.35rem);margin-bottom:1rem}.login-hero{margin-top:6rem;gap:clamp(.85rem,2.2vh,1.15rem)}.login-hero-landing{gap:clamp(.85rem,2.4vh,1.2rem)}.login-intro h1,.login-intro-heading{font-size:clamp(1.974rem,calc(2.1rem + .462vw),2.352rem)}.login-intro-copy{font-size:clamp(.921rem,calc(.98rem + .216vw),1.098rem);padding-bottom:.5rem}.login-auth-card{min-width:0;justify-self:stretch}.login-auth-cta-panel,.login-auth-feedback{width:100%}.login-auth-cta-panel,.login-auth-choice-list{align-items:stretch}.login-auth-cta-panel{gap:.65rem}.login-auth-choice-list{gap:.7rem}.login-landing-copy .login-intro-copy{max-width:none;padding-top:.35rem}.login-auth-choice-btn{width:100%;min-height:3.15rem;font-size:clamp(.94rem,calc(1rem + .22vw),1.12rem)}.login-scroll-cue{display:flex;justify-content:center;flex-wrap:wrap;gap:.5rem;margin-top:clamp(.85rem,2.8vh,1.55rem);text-align:center}.login-signup-modal .modal-body{padding:1rem}.login-feature-stack{gap:.9rem}.login-feature-banner,.login-feature-banner.login-feature-banner-reverse{grid-template-columns:1fr}.login-feature-copy,.login-feature-image-wrap{padding:1rem}.login-feature-image{border-radius:var(--radius-ui)}.login-language-overview{padding-top:clamp(.65rem,2vh,1rem);gap:clamp(.8rem,2.3vh,1.2rem)}.login-language-badges{gap:.5rem .9rem}.login-footer-links{gap:.9rem;padding:1rem}[data-shell=compact] .modal-backdrop,[data-shell=compact] .modal,[data-shell=compact] .popup-select-menu,[data-shell=compact] .context-menu{-webkit-backface-visibility:hidden;backface-visibility:hidden;transform:translateZ(0)}[data-shell=compact] .modal-backdrop[data-state=open]{animation:fadeIn .22s ease-out forwards!important}[data-shell=compact] .modal-backdrop[data-state=closed]{animation:fadeOut .22s ease-in forwards!important}[data-shell=compact] .modal[data-state=open]{animation:fadeIn .22s ease-out forwards!important}[data-shell=compact] .modal[data-state=closed]{animation:fadeOut .22s ease-in forwards!important}[data-shell=compact] .popup-select-menu[data-state=open]{animation:fadeIn .22s ease-out forwards!important}[data-shell=compact] .popup-select-menu[data-state=closed]{animation:fadeOut .22s ease-in forwards!important;pointer-events:none!important}[data-shell=compact] .context-menu[data-state=open]{animation:fadeIn .18s ease-out forwards!important}[data-shell=compact] .context-menu[data-state=closed]{animation:fadeOut .18s ease-in forwards!important;pointer-events:none!important}[data-shell=compact] .modal-backdrop.modal-backdrop-mobile-shell-drawer{transition:opacity .22s ease}[data-shell=compact] .modal-backdrop.modal-backdrop-mobile-shell-drawer[data-state=open]{animation:fadeIn .22s ease-out forwards!important}[data-shell=compact] .modal-backdrop.modal-backdrop-mobile-shell-drawer[data-state=closed]{animation:fadeOut .22s ease-in forwards!important}[data-shell=compact] .modal.mobile-shell-drawer-modal{border-radius:0 var(--radius-ui) var(--radius-ui) 0;transition:transform .28s cubic-bezier(.22,1,.36,1),opacity .22s ease;will-change:transform,opacity}[data-shell=compact] .modal.mobile-shell-drawer-modal[data-state=open]{opacity:1;transform:translate(0);animation:mobileDrawerSlideIn .28s cubic-bezier(.22,1,.36,1) forwards!important}[data-shell=compact] .modal.mobile-shell-drawer-modal[data-state=closed]{opacity:0;transform:translate(-24px);animation:mobileDrawerSlideOut .28s ease-in forwards!important}}.impersonation-runtime-banner{margin:.65rem .85rem 0;padding:.55rem .75rem;border:1px solid color-mix(in srgb,var(--accent) 45%,var(--panel-border));background:color-mix(in srgb,var(--accent) 12%,var(--bg-soft));border-radius:var(--radius-ui);display:flex;align-items:center;justify-content:space-between;gap:.7rem;position:sticky;top:.5rem;z-index:40}.impersonation-runtime-banner-main{display:grid;gap:.1rem}.impersonation-runtime-banner-main strong{font-size:clamp(.79rem,calc(.84rem + .185vw),.941rem)}.impersonation-runtime-banner-main span{font-size:clamp(.733rem,calc(.78rem + .172vw),.874rem);color:var(--muted)}.impersonation-runtime-timer{color:var(--text);font-weight:600}.impersonation-runtime-timer.warning{color:var(--danger)}.impersonation-runtime-banner-actions .btn{min-height:34px;font-size:clamp(.733rem,calc(.78rem + .172vw),.874rem)}.impersonation-runtime-toast{position:fixed;right:.95rem;bottom:.95rem;z-index:120;border-radius:var(--radius-ui);border:1px solid var(--panel-border);background:var(--panel);color:var(--text);box-shadow:0 12px 30px #0000002e;padding:.62rem .8rem;font-size:clamp(.714rem,calc(.76rem + .167vw),.851rem);max-width:min(92vw,420px)}.impersonation-runtime-toast.success{border-color:color-mix(in srgb,var(--ok) 58%,var(--panel-border))}.impersonation-runtime-toast.error{border-color:color-mix(in srgb,var(--danger) 58%,var(--panel-border))}.impersonation-runtime-toast.info{border-color:color-mix(in srgb,var(--accent) 52%,var(--panel-border))}@media(max-width:680px){.impersonation-runtime-banner{margin-inline:.6rem;flex-direction:column;align-items:flex-start}.impersonation-runtime-toast{right:.65rem;left:.65rem;bottom:.65rem;max-width:none}}.btn{border-radius:12px!important;transition:all .15s cubic-bezier(.4,0,.2,1)!important}.confetti-overlay{position:fixed;top:0;left:0;width:100vw;height:100vh;pointer-events:none;z-index:10000;overflow:hidden}.confetti-piece{position:absolute;top:-20px;opacity:.9;border-radius:2px;animation:confetti-fall linear infinite;box-shadow:0 2px 4px #0000001a}@keyframes confetti-fall{0%{transform:translateY(-5vh) rotate(0);opacity:1}80%{opacity:1}to{transform:translateY(105vh) rotate(720deg);opacity:0}}.mascot-unlock-modal{max-width:420px;text-align:center;z-index:10001}.mascot-unlock-modal .modal-body{padding:3rem 1.5rem}.mascot-unlock-content{display:flex;flex-direction:column;align-items:center}.mascot-unlock-image-wrap{width:160px;height:160px;margin-bottom:1.5rem;animation:mascotDropIn .7s cubic-bezier(.34,1.56,.64,1) both}.mascot-unlock-image{width:100%;height:100%;object-fit:contain;filter:drop-shadow(0 15px 30px rgba(0,0,0,.25));animation:mascotFloat 3.5s ease-in-out infinite alternate;animation-delay:.7s}@keyframes mascotDropIn{0%{transform:scale(.3) translateY(-100px) rotate(-15deg);opacity:0}to{transform:scale(1) translateY(0) rotate(0);opacity:1}}@keyframes mascotFloat{0%{transform:translateY(0)}to{transform:translateY(-14px)}}.mascot-unlock-kicker{margin:0;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.08em;font-size:clamp(.799rem,calc(.85rem + .187vw),.952rem);margin-top:1rem}.mascot-unlock-title{margin:0;color:var(--accent);font-size:clamp(2.068rem,calc(2.2rem + .484vw),2.464rem);font-weight:900;line-height:1.1;letter-spacing:-.02em}.mascot-unlock-name{margin:.4rem 0 1rem;font-size:clamp(1.692rem,calc(1.8rem + .396vw),2.016rem);font-weight:800}.mascot-badge-wrap{margin:0 0 1.2rem;display:flex;justify-content:center}.mascot-badge{font-size:clamp(.752rem,calc(.8rem + .176vw),.896rem);background:var(--accent);color:#fff;padding:.35rem .75rem;border-radius:12px;font-weight:700;text-transform:uppercase;letter-spacing:.05em;box-shadow:0 4px 12px color-mix(in srgb,var(--accent) 30%,transparent)}.mascot-unlock-desc{margin:0;color:var(--muted);font-size:clamp(.987rem,calc(1.05rem + .231vw),1.176rem);line-height:1.6;margin-bottom:2rem}.mascot-unlock-btn{width:100%;padding:1rem!important;font-size:clamp(1.034rem,calc(1.1rem + .242vw),1.232rem)!important;font-weight:700!important}:root{--gamified-shimmer-bg: linear-gradient( to bottom right, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, 0) 40%, rgba(255, 255, 255, .4) 50%, rgba(255, 255, 255, 0) 60%, rgba(255, 255, 255, 0) 100% );--gamified-levelup-bg: linear-gradient(135deg, color-mix(in srgb, var(--accent) 15%, var(--panel)) 0%, color-mix(in srgb, var(--accent) 40%, var(--panel)) 100%);--gamified-levelup-border: 1px solid var(--accent);--gamified-levelup-shadow: 0 8px 32px color-mix(in srgb, var(--accent) 40%, transparent);--gamified-bonus-bg: linear-gradient(135deg, color-mix(in srgb, #e6a23c 15%, var(--panel)) 0%, color-mix(in srgb, #f56c6c 30%, var(--panel)) 100%);--gamified-bonus-border: 1px solid #e6a23c;--gamified-bonus-shadow: 0 8px 32px color-mix(in srgb, #e6a23c 40%, transparent);--gamified-bonus-color: color-mix(in white 80%, black);--gamified-goal-shadow-1: 0 0 0px 0px color-mix(in srgb, var(--success) 30%, transparent);--gamified-goal-shadow-2: 0 0 15px 3px color-mix(in srgb, var(--success) 55%, transparent)}:root[data-ui-theme=bauhaus]{--gamified-shimmer-bg: linear-gradient(to right, transparent 0%, transparent 48%, rgba(255,255,255,.85) 50%, transparent 52%, transparent 100%);--gamified-levelup-bg: var(--panel);--gamified-levelup-border: 4px solid var(--text);--gamified-levelup-shadow: 8px 8px 0 0 var(--accent);--gamified-bonus-bg: var(--bauhaus-yellow, #ffcc00);--gamified-bonus-border: 4px solid var(--text);--gamified-bonus-shadow: 8px 8px 0 0 var(--text);--gamified-bonus-color: var(--text);--gamified-goal-shadow-1: 6px 6px 0 0 var(--text);--gamified-goal-shadow-2: 12px 12px 0 0 var(--success)}:root[data-ui-theme=art-deco]{--gamified-shimmer-bg: linear-gradient(to bottom right, transparent 0%, transparent 40%, rgba(212, 175, 55, .4) 50%, transparent 60%, transparent 100%);--gamified-levelup-bg: linear-gradient(135deg, #1a1a1a 0%, #2a2a2a 100%);--gamified-levelup-border: 1px solid #d4af37;--gamified-levelup-shadow: 0 4px 15px rgba(212, 175, 55, .4);--gamified-bonus-bg: #d4af37;--gamified-bonus-border: 1px solid #fff;--gamified-bonus-shadow: 0 4px 15px rgba(212, 175, 55, .6);--gamified-bonus-color: #111;--gamified-goal-shadow-1: 0 0 0 1px #d4af37;--gamified-goal-shadow-2: 0 4px 12px rgba(212, 175, 55, .8)}.multiple-choice-option,.bonus-round-option,.matching-item{position:relative}.multiple-choice-option.correct,.bonus-round-option.correct,.matching-item.matched,.multiple-choice-option.wrong,.bonus-round-option.wrong,.matching-item.wrong{animation:none!important;transform:none!important;box-shadow:none!important;z-index:auto}.xp-toast.level_up{background:var(--gamified-levelup-bg)!important;border:var(--gamified-levelup-border)!important;box-shadow:var(--gamified-levelup-shadow)!important;transform-origin:center bottom;animation:xpToastPremiumBurst .6s cubic-bezier(.34,1.56,.64,1) forwards!important;font-size:clamp(.94rem,calc(1rem + .22vw),1.12rem)!important}.xp-toast.bonus_round{background:var(--gamified-bonus-bg)!important;border:var(--gamified-bonus-border)!important;color:var(--gamified-bonus-color)!important;box-shadow:var(--gamified-bonus-shadow)!important;animation:xpToastPremiumBurst .6s cubic-bezier(.34,1.56,.64,1) forwards!important}@keyframes xpToastPremiumBurst{0%{transform:translateY(20px) scale(.8);opacity:0;filter:brightness(2)}50%{transform:translateY(-8px) scale(1.03);filter:brightness(1.3)}to{transform:translateY(0) scale(1);opacity:1;filter:brightness(1)}}.goal-pill-done{color:var(--pill-strong-text)!important;border-color:color-mix(in srgb,var(--success) 65%,transparent)!important;position:relative;z-index:5}.goal-pill-complete{animation:goalPillPop .6s cubic-bezier(.34,1.56,.64,1) forwards!important}@keyframes goalPillPop{0%{transform:scale(1)}30%{transform:scale(1.15) rotate(-3deg)}60%{transform:scale(.95) rotate(2deg)}to{transform:scale(1) rotate(0)}}@keyframes goalPillGlow{0%{box-shadow:var(--gamified-goal-shadow-1)!important}to{box-shadow:var(--gamified-goal-shadow-2)!important}}:root[data-theme-accent-enabled=true][data-theme-accent="0"]{--accent: var(--theme-0)}:root[data-theme-accent-enabled=true][data-theme-accent="1"]{--accent: var(--theme-1)}:root[data-theme-accent-enabled=true][data-theme-accent="2"]{--accent: var(--theme-2)}:root[data-theme-accent-enabled=true][data-theme-accent="3"]{--accent: var(--theme-3)}:root[data-theme-accent-enabled=true][data-theme-accent="4"]{--accent: var(--theme-4)}:root[data-theme-accent-enabled=true][data-theme-accent="5"]{--accent: var(--theme-5)}