:root{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:dark;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;--color-background: #1c1c1e;--color-text: #ffffff;--color-button: #3a3a3c;--color-button-text: #ffffff;--color-button-bw: #252527;--color-button-bw-text: #ffffff;--color-button-disabled: #3a3a3d;--color-button-disabled-text: #8e8e93;--color-input: #252527;--color-input-hint: #8e8e93;--color-divider: #47474d;--color-button-description-gray: #9a9a9f;--color-button-header-gray: #b8b8bd;--app-bg: var(--color-background);--app-bg-rgb: 28, 28, 30;--app-text: var(--color-text);--app-text-muted: var(--color-button-description-gray);--app-text-subtle: var(--color-input-hint);--app-surface: #262629;--app-surface-2: #303033;--app-surface-3: #3a3a3f;--app-border: var(--color-divider);--app-border-strong: rgba(255, 255, 255, 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#ffffff;--app-surface-2: #eeeeF3;--app-surface-3: #e8e8ef;--app-border: var(--color-divider);--app-border-strong: rgba(0, 0, 0, .14);--app-primary: var(--color-button);--app-primary-contrast: var(--color-button-text);--app-brand-logo: #000000;--app-shadow: 0 20px 52px rgba(16, 24, 40, .12)}:root[data-theme=beige]{color-scheme:light;--color-background: #e6d3b8;--color-text: #2f261d;--color-button: #9a6e45;--color-button-text: #f7ebdc;--color-button-bw: #f3e8d6;--color-button-bw-text: #2f261d;--color-button-disabled: #cdb796;--color-button-disabled-text: #917b5e;--color-input: #f3e8d6;--color-input-hint: #7c684f;--color-divider: #d6c0a0;--color-button-description-gray: #7c684f;--color-button-header-gray: #7c684f;--app-bg: var(--color-background);--app-bg-rgb: 230, 211, 184;--app-text: var(--color-text);--app-text-muted: var(--color-button-description-gray);--app-text-subtle: var(--color-input-hint);--app-surface: #f3e8d6;--app-surface-2: #ead9bf;--app-surface-3: #dec8a8;--app-border: var(--color-divider);--app-border-strong: rgba(47, 38, 29, .2);--app-primary: var(--color-button);--app-primary-contrast: var(--color-button-text);--app-brand-logo: #181640;--app-shadow: 0 20px 50px rgba(47, 38, 29, .18)}:root[data-theme=purple]{color-scheme:dark;--color-background: #181640;--color-text: #e8e5f2;--color-button: #5e5aae;--color-button-text: #f0edf8;--color-button-bw: #242151;--color-button-bw-text: #c5c0e3;--color-button-disabled: #302c68;--color-button-disabled-text: #8e88b8;--color-input: #242151;--color-input-hint: #aaa4cc;--color-divider: #39356f;--color-button-description-gray: #aaa4cc;--color-button-header-gray: #aaa4cc;--app-bg: var(--color-background);--app-bg-rgb: 24, 22, 64;--app-text: var(--color-text);--app-text-muted: var(--color-button-description-gray);--app-text-subtle: var(--color-input-hint);--app-surface: #242151;--app-surface-2: #2c2860;--app-surface-3: #39356f;--app-border: var(--color-divider);--app-border-strong: rgba(232, 229, 242, 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span,.billing-note p,.billing-plan p{margin:0;color:var(--app-text-muted)}.web-onboarding__content{min-width:0}.web-onboarding__language-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.web-onboarding__language-card{min-width:0;min-height:128px;display:grid;align-content:start;gap:12px;padding:14px}.web-onboarding__section-head{display:flex;align-items:flex-start;gap:10px}.web-onboarding__section-head h3{font-size:1rem}.web-onboarding__section-head p{margin-top:3px;font-size:.88rem}.web-onboarding__language-card label{display:grid;gap:8px;color:var(--app-text-muted);font-size:.88rem}.web-onboarding__language-card select{min-height:46px;width:100%;border:0;border-radius:var(--app-radius-sm);padding:0 12px;background:var(--color-input);color:var(--app-text)}.web-onboarding__segmented{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px;padding:4px;border-radius:var(--app-radius-sm);background:var(--app-surface-2)}.web-onboarding__segmented button{min-height:38px;border:0;border-radius:calc(var(--app-radius-sm) - 2px);background:transparent;color:var(--app-text-muted);cursor:pointer;font-weight:700}.web-onboarding__segmented button[aria-pressed=true]{background:var(--app-surface-3);color:var(--app-text)}.web-onboarding__goal-grid,.web-onboarding__category-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,260px),1fr));gap:10px}.web-onboarding__goal,.web-onboarding__category,.web-onboarding__word-grid button{border:0;background:var(--app-surface-2);color:var(--app-text);cursor:pointer}.web-onboarding__goal{min-width:0;min-height:116px;display:grid;grid-template-columns:44px minmax(0,1fr) 26px;gap:12px;align-items:start;border-radius:var(--app-radius-md);padding:14px;text-align:left}.web-onboarding__goal[aria-pressed=true],.web-onboarding__category[aria-pressed=true],.web-onboarding__word-grid button[aria-pressed=true]{background:color-mix(in srgb,var(--app-primary) 16%,var(--app-surface-2))}.web-onboarding__goal-icon,.web-onboarding__check,.web-onboarding__category-status{display:inline-flex;align-items:center;justify-content:center;border-radius:var(--app-radius-sm)}.web-onboarding__goal-icon{width:42px;height:42px;background:var(--app-surface-3);color:var(--app-text)}.web-onboarding__goal[aria-pressed=true] .web-onboarding__goal-icon{background:var(--app-primary);color:var(--app-primary-contrast)}.web-onboarding__goal>span:nth-child(2),.web-onboarding__category>span:first-child{min-width:0;display:grid;gap:5px}.web-onboarding__goal strong,.web-onboarding__category strong{color:var(--app-text);font-size:.98rem}.web-onboarding__goal small,.web-onboarding__category small{color:var(--app-text-muted);line-height:1.35}.web-onboarding__check,.web-onboarding__category-status{width:25px;height:25px;background:var(--app-surface-3);color:var(--app-primary)}.web-onboarding__placement{display:grid;gap:14px}.web-onboarding__batch{justify-self:start;border-radius:999px;padding:7px 11px;background:var(--app-surface-2);color:var(--app-text-muted);font-size:.82rem;font-weight:720}.web-onboarding__word-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(112px,1fr));gap:10px}.web-onboarding__word-grid button{min-height:54px;border-radius:var(--app-radius-sm);padding:0 12px;font-size:1rem;font-weight:700}.web-onboarding__result{min-height:310px;display:grid;place-items:center;align-content:center;gap:12px;border-radius:var(--app-radius-md);padding:28px;background:var(--app-surface-2);text-align:center}.web-onboarding__result-mark{width:92px;height:92px;display:inline-flex;align-items:center;justify-content:center;border-radius:999px;background:var(--app-primary);color:var(--app-primary-contrast);font-size:2rem;font-weight:780}.web-onboarding__result h3{font-size:1.25rem}.web-onboarding__categories{display:grid;gap:12px}.web-onboarding__categories-toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px}.web-onboarding__categories-toolbar>div{min-width:0;display:grid;gap:3px}.web-onboarding__categories-toolbar strong{color:var(--app-text)}.web-onboarding__category{min-width:0;min-height:94px;display:grid;grid-template-columns:minmax(0,1fr) 25px;gap:12px;align-items:start;border-radius:var(--app-radius-md);padding:14px;text-align:left}.web-onboarding__category-status[data-relevant=true]{background:var(--app-success)}.web-onboarding__actions{display:flex;justify-content:space-between;gap:10px;padding-top:2px}.web-onboarding__spinner{animation:web-onboarding-spin .8s linear infinite}@keyframes web-onboarding-spin{to{transform:rotate(360deg)}}.billing-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.billing-context{display:flex;align-items:flex-start;gap:12px}.billing-context__icon{width:40px;height:40px;flex:0 0 40px;display:inline-flex;align-items:center;justify-content:center;border-radius:var(--app-radius-sm);background:var(--app-surface-3);color:var(--app-text)}.billing-context small{color:var(--app-text-muted);font-size:.76rem;font-weight:680;text-transform:uppercase}.billing-context strong{display:block;margin-top:2px;color:var(--app-text);font-size:1rem}.billing-context p{margin:4px 0 0;color:var(--app-text-muted)}.billing-plan{min-width:0;display:grid;gap:16px;border-radius:var(--app-radius-md);padding:18px;background:var(--app-surface);color:var(--app-text)}.billing-plan[data-featured=true]{background:color-mix(in srgb,var(--app-primary) 10%,var(--app-surface))}.billing-plan__head{display:flex;align-items:center;gap:12px}.billing-plan__head span:last-child{min-width:0;display:grid;gap:3px}.billing-plan__head small{color:var(--app-text-muted);font-size:.78rem;font-weight:680;text-transform:uppercase}.billing-plan__head strong{font-size:1.18rem}.billing-plan__icon{width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;border-radius:var(--app-radius-sm);background:var(--app-surface-3)}.billing-plan__price{color:var(--app-text);font-size:1.9rem;font-weight:760;line-height:1}.billing-plan ul{display:grid;gap:9px;margin:0;padding:0;list-style:none}.billing-plan li{display:flex;align-items:center;gap:8px;color:var(--app-text-muted)}.billing-plan__cta{width:100%;align-self:end}.billing-note{display:grid;gap:4px}.settings-billing{display:flex;align-items:center;justify-content:space-between;gap:14px}.settings-mcp{display:grid;gap:14px}.settings-mcp__head{display:flex;gap:12px;align-items:flex-start}.settings-mcp__icon{width:40px;height:40px;flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;border-radius:var(--app-radius-sm);background:var(--app-surface-2);color:var(--app-text)}.settings-mcp__asset-icon{width:20px;height:20px}.settings-mcp__actions{display:flex;flex-wrap:wrap;gap:10px}.settings-mcp__note{margin:0;color:var(--app-text-muted);font-size:.92rem;line-height:1.55}.settings-mcp__note code{color:var(--app-text)}.settings-mcp__error{margin:0;color:var(--app-danger);font-weight:650}.library-view-toggle{min-height:42px;display:inline-flex;align-items:center;gap:2px;border-radius:var(--app-radius-md);padding:4px;background:var(--app-surface)}.library-view-toggle button{width:34px;height:34px;display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:calc(var(--app-radius-sm) - 2px);background:transparent;color:var(--app-text-muted);cursor:pointer}.library-view-toggle button[data-active=true]{background:var(--app-surface-3);color:var(--app-text)}.recent-modules{min-width:0;display:grid;gap:10px}.recent-modules>strong{color:var(--app-text);font-size:1.02rem;font-weight:740}.recent-modules__rail{min-width:0;display:grid;grid-auto-columns:minmax(150px,190px);grid-auto-flow:column;gap:12px;overflow-x:auto;padding-bottom:2px;scrollbar-width:none}.recent-modules__rail::-webkit-scrollbar{display:none}.recent-module-card{min-width:0;min-height:100px;display:grid;align-content:start;gap:9px;border-radius:16px;padding:14px;background:var(--app-surface);color:var(--app-text)}.recent-module-card:hover{background:color-mix(in srgb,var(--app-primary) 5%,var(--app-surface-3))}.recent-module-card__icon{width:30px;height:30px;display:inline-flex;align-items:center;justify-content:center;border-radius:var(--app-radius-sm);background:var(--app-surface-3)}.recent-module-card__icon .library-card__asset-icon{width:18px;height:18px}.recent-module-card__copy{min-width:0;display:grid;gap:2px}.recent-module-card__copy strong,.recent-module-card__copy small{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.recent-module-card__copy strong{font-size:.94rem;font-weight:740}.recent-module-card__copy small{color:var(--app-text-muted);font-size:.78rem}.library-card{position:relative;min-width:0;min-height:168px;display:flex;flex-direction:column;gap:14px;border:1px solid var(--app-border);border-radius:var(--app-radius-md);padding:14px;background:var(--app-surface);color:var(--app-text);box-shadow:0 1px #ffffff0a;cursor:pointer}.library-card:hover{border-color:var(--app-border-strong);background:color-mix(in srgb,var(--app-primary) 5%,var(--app-surface-3))}.folder-practice-row{display:flex;justify-content:center;flex-wrap:wrap;gap:10px}.folder-practice-row__button{width:clamp(64px,calc((100% - 30px)/4),82px);min-height:58px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--app-border);border-radius:var(--app-radius-md);background:var(--app-surface);color:var(--app-text)}.folder-practice-row__icon{width:30px;height:30px}.folder-practice-row__button:hover{border-color:var(--app-border-strong);background:var(--app-surface-2)}.library-card__top{min-width:0;display:flex;align-items:flex-start;gap:12px}.library-card__link{position:absolute;inset:0;z-index:1;border-radius:inherit}.library-card__icon{width:42px;height:42px;flex:0 0 42px;display:inline-flex;align-items:center;justify-content:center;border-radius:var(--app-radius-sm);background:var(--app-surface-3);font-size:1.35rem}.library-card__emoji-icon{line-height:1}.library-card__asset-icon{width:24px;height:24px}.library-card__content{min-width:0}.library-card__title{margin:0;display:-webkit-box;overflow:hidden;color:var(--app-text);font-size:1rem;font-weight:720;line-height:1.2;text-decoration:none;overflow-wrap:anywhere;-webkit-line-clamp:2;-webkit-box-orient:vertical}.library-card__description{margin:5px 0 0;display:-webkit-box;overflow:hidden;max-width:100%;color:var(--app-text-muted);font-size:.9rem;overflow-wrap:anywhere;-webkit-line-clamp:2;-webkit-box-orient:vertical}.library-card__meta,.word-row__meta{display:flex;flex-wrap:wrap;gap:8px;color:var(--app-text-muted);font-size:.82rem}.library-card__actions{position:relative;z-index:2;align-self:end;margin-top:auto;display:flex;flex-wrap:wrap;gap:6px;pointer-events:none}.library-card__actions>*{pointer-events:auto}.library-card__menu{position:relative}.library-card__menu-popover{min-width:210px;position:absolute;z-index:8;top:calc(100% + 6px);right:0;display:grid;gap:2px;border-radius:var(--app-radius-md);padding:6px;background:var(--app-surface);box-shadow:var(--app-shadow)}.library-card__menu-popover button{min-height:38px;display:flex;align-items:center;gap:9px;border:0;border-radius:var(--app-radius-sm);padding:0 10px;background:transparent;color:var(--app-text);cursor:pointer;font:inherit;text-align:left}.library-card__menu-popover button:hover{background:var(--app-surface-2)}.library-card__menu-danger{color:var(--app-danger)!important}.icon-button--danger{color:#fff;background:color-mix(in srgb,var(--app-danger) 82%,var(--app-surface))}.progress-line{height:7px;overflow:hidden;border-radius:999px;background:var(--app-surface-3)}.progress-line span{display:block;height:100%;border-radius:inherit;background:var(--color-button-header-gray)}.word-list{display:grid;gap:10px}.word-row{min-width:0;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:14px;align-items:center;border:1px solid var(--app-border);border-radius:var(--app-radius-md);padding:14px;background:linear-gradient(135deg,color-mix(in srgb,var(--app-surface) 96%,var(--app-primary) 4%),var(--app-surface));box-shadow:0 1px #ffffff0a}.word-row:hover{border-color:var(--app-border-strong);background:var(--app-surface-2)}.word-row__preview{min-width:0;display:flex;align-items:center;gap:14px;border:0;padding:0;background:transparent;color:inherit;cursor:pointer;font:inherit;text-align:left}.word-row__content{min-width:0;display:grid;gap:6px}.word-row__term{margin:0;overflow-wrap:anywhere;color:var(--app-text);font-size:1.04rem;font-weight:720;line-height:1.2;text-decoration:none}.word-row__translation{margin:0;overflow-wrap:anywhere;color:var(--app-text-muted);font-size:1rem;line-height:1.25}.word-row__actions{display:flex;align-items:center;gap:6px;justify-content:flex-end}.word-row--swipe{touch-action:pan-y;transition:transform .16s ease}.word-row__image{width:60px;height:40px;flex:0 0 60px;border-radius:8px;object-fit:cover;background:var(--app-surface-3)}.word-row__level-status,.word-row__meta-pill{min-height:26px;display:inline-flex;align-items:center;gap:7px;border:1px solid var(--app-border);border-radius:999px;padding:0 10px;background:color-mix(in srgb,var(--app-surface-2) 88%,var(--level-color, var(--app-text-muted)));color:var(--app-text);font-weight:680}.word-row__level-status{border-color:color-mix(in srgb,var(--level-color) 44%,var(--app-border))}.word-row__level-dot{width:8px;height:8px;flex:0 0 8px;border-radius:999px;background:var(--level-color);box-shadow:0 0 0 3px color-mix(in srgb,var(--level-color) 18%,transparent)}.word-row__level-picker{display:inline-flex;align-items:center;gap:5px;border:1px solid var(--app-border);border-radius:999px;padding:4px;background:var(--app-surface-2)}.level-swatch{width:30px;height:30px;display:inline-flex;align-items:center;justify-content:center;border:1px solid transparent;border-radius:999px;background:transparent;cursor:pointer}.level-swatch span{width:15px;height:15px;border-radius:999px;background:var(--level-color);box-shadow:inset 0 0 0 1px #ffffff38,0 0 0 3px color-mix(in srgb,var(--level-color) 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minmax(0,1fr) auto;align-items:center;gap:14px;border:0;border-bottom:1px solid var(--app-border);padding:12px 16px 12px calc(16px + var(--move-indent));background:transparent;color:var(--app-text);text-align:left;cursor:pointer}.move-destination:last-child{border-bottom:0}.move-destination:hover{background:var(--app-surface-2)}.move-destination[data-selected=true]{background:color-mix(in srgb,var(--app-primary) 12%,transparent)}.move-destination:disabled{cursor:wait;opacity:.72}.move-destination__icon{width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;border-radius:var(--app-radius-sm);background:var(--app-bg);font-size:1.2rem}.move-destination[data-selected=true] .move-destination__icon{background:color-mix(in srgb,var(--app-primary) 14%,var(--app-bg))}.move-destination__asset-icon{width:22px;height:22px}.move-destination__emoji-icon{line-height:1}.move-destination__text{min-width:0;display:grid;gap:3px}.move-destination__text strong{overflow:hidden;font-size:.98rem;font-weight:700;line-height:1.2;text-overflow:ellipsis;white-space:nowrap}.move-destination__text small,.move-folder-sheet__empty{color:var(--app-text-muted);font-size:.82rem}.move-folder-sheet__empty{margin:0}.word-editor__input-action{display:grid;grid-template-columns:minmax(0,1fr) repeat(2,auto);gap:8px;align-items:stretch}.word-editor__input-action textarea{min-height:70px}.word-editor__input-action .icon-button{width:42px;height:auto;min-height:42px;align-self:stretch}.word-editor__context-toggle{justify-self:start}.word-editor__file{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap}.word-editor__section-label{color:var(--app-text-muted);font-size:.86rem}.word-editor__image-section,.word-editor__related,.word-detail{display:grid;gap:10px}.word-editor__image-card{position:relative;overflow:hidden;border-radius:var(--app-radius-md);background:var(--app-surface-2)}.word-editor__image-card img,.word-detail__image{width:100%;display:block;aspect-ratio:3 / 2;object-fit:cover;background:var(--app-surface-3)}.word-editor__image-actions{position:absolute;top:12px;right:12px;display:flex;gap:8px}.word-editor__image-actions .icon-button{border:0;background:#00000085;color:#fff}.word-editor__spinner{width:18px;height:18px;border:2px solid currentColor;border-right-color:transparent;border-radius:999px;animation:word-editor-spin .75s linear infinite}@keyframes word-editor-spin{to{transform:rotate(360deg)}}.word-chip-list{display:flex;flex-wrap:wrap;gap:8px}.word-chip{min-height:32px;display:inline-flex;align-items:center;gap:6px;border-radius:999px;padding:0 10px;background:var(--app-surface-2);color:var(--app-text);font-size:.86rem;font-weight:640}.word-chip button{width:22px;height:22px;display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:999px;padding:0;background:transparent;color:var(--app-text-muted);cursor:pointer}.word-detail__grid{display:grid;gap:10px}.word-detail__field{min-width:0;display:grid;gap:6px}.word-detail__field>span{color:var(--app-text-muted);font-size:.82rem}.word-detail__field>p,.word-detail__field .markdown-text{margin:0;border-radius:var(--app-radius-sm);padding:12px;background:var(--app-surface-2);color:var(--app-text);overflow-wrap:anywhere}.modal-panel__footer--inline{padding:0;border:0}.recent-row{display:flex;align-items:center;gap:14px}.recent-row__items{min-width:0;display:flex;flex-wrap:wrap;gap:8px}.recent-row__items a{border:1px solid var(--app-border);border-radius:999px;padding:5px 10px;color:var(--app-text-muted);background:var(--app-surface-2)}.call-history-panel__body{display:grid;gap:12px}.call-history-panel__head{display:flex;align-items:center;justify-content:space-between;gap:12px}.call-history-panel__title{min-width:0;display:inline-flex;align-items:center;gap:8px;color:var(--app-text);font-weight:720}.call-history-panel__loading,.call-history-panel__empty{color:var(--app-text-muted);font-size:.86rem}.call-history-list{display:grid;gap:8px}.call-history-row{min-width:0;min-height:58px;display:grid;grid-template-columns:34px minmax(0,1fr) auto;align-items:center;gap:10px;border:1px solid var(--app-border);border-radius:var(--app-radius-sm);padding:8px 10px;background:var(--app-surface-2);color:var(--app-text)}a.call-history-row:hover{border-color:var(--app-border-strong);background:var(--app-surface-3)}.call-history-row__avatar{width:34px;height:34px;display:inline-flex;align-items:center;justify-content:center;border-radius:999px;background:var(--app-surface-3);color:var(--app-text);font-size:.78rem;font-weight:760}.call-history-row__body{min-width:0;display:grid;gap:3px}.call-history-row__body strong,.call-history-row__body small{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.call-history-row__body small{color:var(--app-text-muted)}.call-history-row__status{border-radius:999px;padding:4px 8px;background:color-mix(in srgb,var(--app-text-muted) 18%,transparent);color:var(--app-text-muted);font-size:.72rem;font-weight:720;white-space:nowrap}.call-history-row__status[data-status=active]{background:color-mix(in srgb,var(--app-success) 18%,transparent);color:var(--app-success)}.call-history-row__status[data-status=pending]{background:color-mix(in srgb,var(--app-info) 18%,transparent);color:var(--app-info)}.call-history-row__status[data-status=expired]{background:color-mix(in srgb,var(--app-warning) 18%,transparent);color:var(--app-warning)}.call-history-pagination{display:flex;align-items:center;justify-content:center;gap:12px;color:var(--app-text-muted);font-size:.84rem;font-weight:700}.call-history-pagination button{width:34px;height:34px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--app-border);border-radius:999px;background:var(--app-surface-2);color:var(--app-text);cursor:pointer}.call-history-pagination button:disabled{cursor:default;opacity:.46}.modal-backdrop{position:fixed;inset:0;z-index:50;display:grid;place-items:center;padding:18px;background:#0000008a}.modal-panel{width:min(560px,100%);max-height:min(760px,calc(100vh - 36px));overflow:auto;border:1px solid var(--app-border);border-radius:var(--app-radius-lg);background:var(--app-surface);box-shadow:var(--app-shadow)}.modal-panel--wide{width:min(820px,100%)}.modal-panel__head,.modal-panel__footer{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 16px;border-bottom:1px solid var(--app-border)}.modal-panel__footer{border-top:1px solid var(--app-border);border-bottom:0;justify-content:flex-end}.modal-panel__head h2{margin:0;font-size:1rem}.modal-panel__body{padding:16px}.state-box{min-height:180px;display:grid;place-items:center;border:1px dashed var(--app-border);border-radius:var(--app-radius-md);padding:24px;color:var(--app-text-muted);text-align:center}.call-room{height:min(760px,calc(100vh - 148px));min-height:520px;overflow:hidden;border:1px solid var(--app-border);border-radius:var(--app-radius-md);background:#111}.call-room[data-fullscreen=true],.call-room:fullscreen{position:fixed;inset:0;z-index:1000;width:100vw;height:100vh;min-height:0;border:0;border-radius:0}.call-room__livekit{height:100%}.call-room .call-room__avatar-placeholder{background:transparent}.call-room__avatar-image,.call-room__avatar-initials{width:clamp(150px,46%,340px);aspect-ratio:1;border-radius:999px}.call-room__avatar-image{display:block;object-fit:cover;object-position:center}.call-room__avatar-initials{display:grid;place-items:center;color:#fff;font-size:clamp(4rem,12vw,8rem);font-weight:760;line-height:1}.call-room .lk-participant-metadata-item svg{flex:0 0 auto}.call-room .lk-video-conference{position:relative}.call-room__control-bar{position:relative;z-index:10;max-width:100%}.call-room__control-text{pointer-events:none}.call-room .call-room__leave-button.lk-button{border-color:color-mix(in srgb,var(--app-danger) 70%,transparent);background:var(--app-danger)!important;background-color:var(--app-danger)!important;color:#fff!important}.call-room .call-room__leave-button.lk-button:hover:not(:disabled){background:color-mix(in srgb,var(--app-danger) 88%,white)!important;background-color:color-mix(in srgb,var(--app-danger) 88%,white)!important;color:#fff!important}.lesson-capture-control{position:relative}.lesson-capture-control__toggle[data-lk-enabled=true]{color:var(--lk-accent-fg);background-color:var(--lk-accent-bg)}.lesson-capture-control__toggle[data-lk-enabled=true]:not(:disabled):hover{background-color:var(--lk-accent2)}.lesson-capture-control__menu-button{min-width:2.6rem;padding-inline:.75rem}.lesson-capture-control__mode-menu{position:absolute;top:auto;right:0;bottom:calc(100% + 8px);left:auto;width:144px;padding:6px;z-index:12;border:1px solid var(--lk-border-color);border-radius:10px;background:var(--lk-bg2);box-shadow:var(--lk-box-shadow)}.lesson-capture-control__mode-list{display:grid;gap:4px;margin:0;padding:0;list-style:none}.lesson-capture-control__mode-option{appearance:none;width:100%;height:34px;display:flex;align-items:center;justify-content:flex-start;border:0;border-radius:7px;padding:0 10px;color:var(--lk-control-fg);background:transparent;font:inherit;font-size:.86rem;line-height:1;cursor:pointer}.lesson-capture-control__mode-option:hover{background:var(--lk-control-hover-bg)}.lesson-capture-control__mode-list [data-lk-active=true]>.lesson-capture-control__mode-option{color:var(--lk-accent-fg);background-color:var(--lk-accent-bg)}.lesson-capture__panel{position:absolute;top:12px;right:12px;bottom:calc(var(--lk-control-bar-height, 69px) + 12px);z-index:8;pointer-events:auto;color:#f7f7f7;border:1px solid rgba(255,255,255,.14);background:#121212c7;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);box-shadow:0 18px 48px #0000003d}.lesson-capture__icon-button,.lesson-capture__word,.lesson-capture__item button{appearance:none;border:0;font:inherit;cursor:pointer}.lesson-capture__icon-button,.lesson-capture__module-status a,.lesson-capture__item button{display:inline-flex;align-items:center;justify-content:center;color:#fff;background:#ffffff1a;border-radius:7px}.lesson-capture__panel{width:min(360px,32vw);min-width:300px;max-width:380px;height:auto;display:flex;flex-direction:column;gap:10px;border-radius:8px;padding:12px;overflow:hidden}.lesson-capture__panel-header,.lesson-capture__section-title,.lesson-capture__module-status{display:flex;align-items:center;justify-content:space-between;gap:8px}.lesson-capture__panel-header{min-height:36px}.lesson-capture__panel-header strong,.lesson-capture__section-title strong,.lesson-capture__module-status strong{color:#fff;font-size:.88rem}.lesson-capture__panel-header span,.lesson-capture__section-title span,.lesson-capture__module-status span{color:#fff9;font-size:.74rem}.lesson-capture__icon-button{width:36px;height:36px}.lesson-capture__module-status a{gap:5px;width:30px;height:30px;color:#fff;font-size:.78rem;font-weight:680;text-decoration:none}.lesson-capture__error{margin:0;padding:8px 10px;border-radius:7px;color:#ffe1de;background:#ff534929;font-size:.78rem}.lesson-capture__transcript,.lesson-capture__captured{min-height:0;overflow:auto;border-radius:7px;background:#ffffff0f}.lesson-capture__transcript{flex:1 1 auto;padding:10px}.lesson-capture__transcript--empty{display:block;position:relative;min-height:150px;-webkit-user-select:none;user-select:none}.lesson-capture__transcript--empty:after{position:absolute;top:50%;left:50%;width:8px;height:8px;border-radius:999px;background:#ffffff38;content:"";transform:translate(-50%,-50%)}.lesson-capture__captured{display:grid;align-content:start;gap:8px;flex:0 1 auto;max-height:min(280px,36%);padding:10px}.lesson-capture__segment{margin:0 0 10px;color:#ffffffdb;font-size:.86rem;line-height:1.45}.lesson-capture__speaker{display:block;margin-bottom:3px;color:#ffffff8c;font-size:.72rem;font-weight:740}.lesson-capture__word{display:inline;padding:0 1px;color:inherit;background:transparent;border-radius:4px;line-height:inherit}.lesson-capture__word:hover{color:#111;background:#fff}.lesson-capture__item{display:grid;grid-template-columns:78px minmax(0,1fr) 32px;gap:6px}.lesson-capture__item select,.lesson-capture__item input{min-width:0;height:32px;border:1px solid rgba(255,255,255,.1);border-radius:7px;padding:0 8px;color:#fff;background:#0000003d;font:inherit;font-size:.78rem}.lesson-capture__item input[aria-label="Capture note"]{grid-column:1 / 3}.lesson-capture__item button{width:32px;height:32px;grid-column:3;grid-row:1 / 3}.lesson-capture__empty{display:grid;min-height:52px;place-items:center;color:#ffffff85;font-size:.82rem;pointer-events:none;-webkit-user-select:none;user-select:none}.lesson-capture__module-status{min-height:34px;padding:6px 8px;border-radius:7px;background:#ffffff0f}@media(max-width:900px){.lesson-capture__panel{top:10px;left:10px;right:10px;bottom:calc(var(--lk-control-bar-height, 69px) + 10px);width:auto;min-width:0;max-width:none;height:auto}}@media(max-width:760px){.call-room__control-bar{justify-content:flex-start}.call-room__control-text{display:none}.lesson-capture-control__menu-button{min-width:2.5rem}}.module-dashboard{display:grid;grid-template-columns:minmax(0,1fr) minmax(260px,.7fr);gap:12px}.module-dashboard p{margin:6px 0 12px;color:var(--app-text-muted)}.level-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:8px}.level-grid__item{min-height:64px;display:grid;place-items:center;border-radius:var(--app-radius-sm);background:var(--app-surface-2);color:var(--app-text-muted);text-decoration:none}a.level-grid__item:hover{background:var(--app-surface-3);color:var(--app-text)}.level-grid strong{color:var(--app-text);font-size:1.15rem}.practice-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:10px;overflow-x:auto}.practice-card{min-height:72px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;padding:14px;color:var(--app-text);font-weight:720;text-align:center;text-decoration:none}.practice-card__icon{width:28px;height:28px}.module-print{display:none}@media print{@page{size:A4 landscape;margin:0}html,body,#root{width:297mm;min-width:297mm;margin:0;padding:0;background:#fff!important}body{print-color-adjust:exact;-webkit-print-color-adjust:exact}.product-shell,.product-shell__workspace,.product-shell__main,.app-page{display:block!important;width:297mm!important;max-width:none!important;min-height:0!important;margin:0!important;border:0!important;border-radius:0!important;padding:0!important;background:#fff!important;color:#111!important}.product-shell__sidebar,.product-shell__header,.app-page>:not(.module-print){display:none!important}.module-print{display:block!important;width:297mm!important;margin:0!important;padding:0!important;background:#fff!important;color:#111!important}.module-print__sheet{width:297mm;height:210mm;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));grid-template-rows:repeat(2,minmax(0,1fr));overflow:hidden;box-sizing:border-box;padding:6.35mm;background:#fff;break-after:page;page-break-after:always}.module-print__sheet:last-child{break-after:auto;page-break-after:auto}.module-print__card{position:relative;min-width:0;min-height:0;display:grid;place-items:center;box-sizing:border-box;outline:.22mm solid #c9c9c9;outline-offset:-.11mm;padding:9mm 5mm 7mm;color:#111;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;break-inside:avoid}.module-print__card--blank{outline-color:#e7e7e7}.module-print__card-content{min-width:0;max-width:100%;display:grid;gap:4mm;justify-items:center;text-align:center}.module-print__card-number{position:absolute;top:3mm;right:3.5mm;color:#777;font-size:6pt;font-weight:520;line-height:1}.module-print__main{max-width:100%;overflow-wrap:anywhere;color:#111;font-size:17pt;font-weight:650;line-height:1.16;-webkit-hyphens:auto;hyphens:auto}.module-print__hint{max-width:100%;overflow-wrap:anywhere;color:#666;font-size:8pt;line-height:1.2;-webkit-hyphens:auto;hyphens:auto}}.practice-shell{position:relative}.practice-shell__ios-toolbar{display:none}.practice-shell__head-actions{display:flex;flex-wrap:wrap;align-items:center;justify-content:flex-end;gap:8px}.practice-count{min-height:34px;display:inline-flex;align-items:center;border:1px solid var(--app-border);border-radius:999px;padding:0 12px;background:var(--app-surface);color:var(--app-text-muted);font-weight:720;white-space:nowrap}.practice-shell__content,.practice-shell__footer{min-width:0}.practice-screen-indicator{position:fixed;inset:0;z-index:115;pointer-events:none;border:3px solid color-mix(in srgb,var(--swipe-color) 72%,transparent);box-shadow:inset 0 0 0 2px color-mix(in srgb,var(--swipe-color) 16%,transparent),inset 0 0 72px color-mix(in srgb,var(--swipe-color) 24%,transparent);opacity:var(--swipe-opacity, 0);transition:opacity .16s ease,border-color .16s ease,box-shadow .16s ease}.practice-shell[data-fullscreen=true]{position:fixed;inset:0;z-index:110;width:100vw;max-width:none;min-height:100vh;margin:0;grid-template-rows:auto auto minmax(0,1fr) auto;align-content:stretch;gap:16px;overflow:auto;padding:max(16px,env(safe-area-inset-top)) clamp(16px,3.2vw,34px) max(18px,env(safe-area-inset-bottom));background:var(--app-bg);color:var(--app-text)}.practice-shell[data-fullscreen=true] .practice-shell__standard-head{display:none}.practice-shell[data-fullscreen=true] .practice-shell__ios-toolbar{min-height:38px;display:grid;grid-template-columns:44px minmax(0,1fr) 44px;align-items:center;gap:8px}.practice-shell[data-fullscreen=true] .practice-shell__ios-toolbar strong{overflow:hidden;color:var(--app-text);font-size:1rem;font-weight:760;text-align:center;text-overflow:ellipsis;white-space:nowrap}.practice-shell__icon-button{width:38px;height:38px;justify-self:center;background:transparent;color:var(--app-text)}.practice-shell[data-fullscreen=true] .practice-shell__progress{margin:0}.practice-shell[data-fullscreen=true] .practice-shell__content{min-height:0;display:grid;align-items:stretch;justify-items:center}.practice-shell[data-fullscreen=true] .practice-shell__footer{width:min(900px,100%);justify-self:center}.practice-settings{display:grid;gap:14px}.practice-setting-card{display:grid;gap:14px;border:1px solid var(--app-border);border-radius:var(--app-radius-md);padding:16px;background:var(--color-button-bw)}.practice-setting-card__head{display:flex;align-items:flex-start;gap:12px}.practice-setting-card__icon{width:30px;height:30px;flex:0 0 30px;display:inline-flex;align-items:center;justify-content:center;border-radius:999px;background:color-mix(in srgb,var(--app-primary) 16%,transparent);color:var(--app-primary)}.practice-setting-card strong{color:var(--app-text);font-size:1rem}.practice-setting-card p{margin:4px 0 0;color:var(--color-button-description-gray);font-size:.9rem;line-height:1.35}.practice-segmented-control{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:4px;border:1px solid var(--app-border);border-radius:var(--app-radius-sm);padding:4px;background:var(--app-surface)}.practice-segmented-control button{min-height:38px;border:0;border-radius:calc(var(--app-radius-sm) - 3px);background:transparent;color:var(--app-text-muted);cursor:pointer;font-weight:720}.practice-segmented-control button[data-active=true]{background:var(--app-primary);color:var(--app-primary-contrast)}.practice-switch{width:100%;display:grid;grid-template-columns:auto minmax(0,1fr);align-items:center;gap:12px;border:1px solid var(--app-border);border-radius:var(--app-radius-sm);padding:12px;background:var(--app-surface);color:var(--app-text);cursor:pointer;text-align:left}.practice-switch svg{color:var(--app-text-muted)}.practice-switch[data-checked=true] svg{color:var(--app-primary)}.practice-switch span{min-width:0;display:grid;gap:3px}.practice-switch small{color:var(--color-button-description-gray);line-height:1.35}.flashcards-page{max-width:900px;margin:0 auto}.practice-shell[data-fullscreen=true].flashcards-page,.practice-shell[data-fullscreen=true].memorization-page,.practice-shell[data-fullscreen=true].pairs-page,.practice-shell[data-fullscreen=true].sentences-page,.practice-shell[data-fullscreen=true].podcast-page{max-width:none}.flashcard{min-height:clamp(300px,50vh,520px);width:100%;display:block;border:0;border-radius:var(--app-radius-lg);padding:0;background:transparent;color:var(--app-text);cursor:pointer;perspective:1400px;text-align:center;touch-action:none;transform:translateZ(0) rotate(0);transition:border-color .16s ease,box-shadow .16s ease,transform .16s ease;will-change:transform,opacity}.flashcard[aria-disabled=true]{cursor:default}.flashcard[data-dragging=true]{position:relative;z-index:70;cursor:grabbing;transition:none}.flashcard[data-flyout]{position:relative;z-index:70}.flashcard[data-swipe-corner]{box-shadow:0 0 0 3px color-mix(in srgb,var(--swipe-color) 22%,transparent)}.flashcard[data-swipe-corner] .flashcard__face{border-color:var(--swipe-color);box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--swipe-color) 18%,transparent),0 18px 54px color-mix(in srgb,var(--swipe-color) 12%,transparent)}.flashcard[data-flyout=red]{animation:flashcard-fly-bottom-left .36s cubic-bezier(.22,.8,.2,1) forwards}.flashcard[data-flyout=orange]{animation:flashcard-fly-top-left .36s cubic-bezier(.22,.8,.2,1) forwards}.flashcard[data-flyout=green]{animation:flashcard-fly-top-right .36s cubic-bezier(.22,.8,.2,1) forwards}.flashcard[data-flyout=blue]{animation:flashcard-fly-bottom-right .36s cubic-bezier(.22,.8,.2,1) forwards}.flashcard__flip{position:relative;min-height:inherit;display:block;transform-style:preserve-3d;transition:transform .5s cubic-bezier(.2,.8,.2,1)}.flashcard__flip[data-flipped=true]{transform:rotateY(180deg)}.flashcard__face{min-height:inherit;display:grid;place-items:center;align-content:center;gap:12px;border:1px solid var(--app-border);border-radius:var(--app-radius-lg);padding:28px;background:var(--app-surface);backface-visibility:hidden;-webkit-backface-visibility:hidden;transform-style:preserve-3d}.flashcard__face--front{position:relative}.flashcard__face--back{position:absolute;inset:0;place-items:stretch;align-content:stretch;overflow:hidden;transform:rotateY(180deg);text-align:left}.flashcard__term,.flashcard__translation{max-width:760px;overflow-wrap:anywhere;font-size:clamp(2rem,1.5rem + 2vw,4.4rem);line-height:1.08}.flashcard__translation{max-width:none;font-size:clamp(1.5rem,1.12rem + 1.1vw,2.55rem);font-weight:760}.flashcard__image{display:block;overflow:hidden;background:var(--app-surface-3)}.flashcard__image img{width:100%;height:100%;display:block;object-fit:cover}.flashcard__image--full{width:min(100%,560px);aspect-ratio:3 / 2;border-radius:16px}.flashcard__back-head{display:flex;align-items:flex-start;gap:16px}.flashcard__back-heading{min-width:0;flex:1 1 auto;display:grid;gap:6px;text-align:left}.flashcard__back-term{color:var(--app-text);font-size:clamp(1.7rem,1.35rem + 1vw,2.35rem);font-weight:780;line-height:1.12}.flashcard__back-term.markdown-text,.flashcard__transcription.markdown-text,.flashcard__translation.markdown-text,.flashcard__secondary-text.markdown-text{gap:.4em}.flashcard__transcription{color:var(--app-text-muted);font-size:.95rem;font-weight:650;line-height:1.3}.flashcard__image--thumb{width:104px;height:72px;flex:0 0 104px;border-radius:12px}.flashcard small,.flashcard__eyebrow{color:var(--app-text-muted)}.flashcard__back-content{min-height:0;height:100%;display:flex;flex-direction:column;gap:16px;overflow-y:auto;padding:18px 2px 56px 0}.flashcard__translation-block{display:grid;gap:9px}.flashcard__detail-section{display:grid;gap:10px;border-top:1px solid var(--app-border);padding-top:12px;color:var(--app-text)}.flashcard__detail-title{display:inline-flex;align-items:center;gap:7px;color:var(--app-text-muted);font-size:.74rem;font-weight:720;letter-spacing:0;line-height:1.2;text-transform:uppercase}.flashcard__detail-title svg{width:15px;flex:0 0 15px}.flashcard__detail-body{display:grid;gap:9px}.flashcard__translation{max-width:none;color:var(--app-text);font-size:clamp(1.45rem,1.18rem + .8vw,2rem);font-weight:760;line-height:1.18}.flashcard__secondary-text{color:var(--app-text-muted);font-size:.96rem;font-weight:560;line-height:1.38}.flashcard__example-list{display:grid;gap:9px}.flashcard__example-line{display:grid;grid-template-columns:auto minmax(0,1fr);align-items:start;gap:8px;color:var(--app-text);font-size:1rem;font-style:italic}.flashcard__example-line[data-muted=true]{color:var(--app-text-muted)}.flashcard__example-line .markdown-text{font-size:inherit;font-style:inherit;line-height:1.42}.flashcard__language-badge{min-width:22px;height:16px;display:inline-flex;align-items:center;justify-content:center;border:1px solid color-mix(in srgb,var(--app-primary) 55%,transparent);border-radius:5px;background:color-mix(in srgb,var(--app-primary) 8%,transparent);color:var(--app-primary);font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:.64rem;font-weight:800;line-height:1;text-transform:lowercase;transform:translateY(2px)}.flashcard__related-list{display:flex;flex-wrap:wrap;gap:8px}.flashcard__related-chip{max-width:100%;display:inline-flex;align-items:center;border-radius:999px;padding:7px 11px;background:color-mix(in srgb,var(--app-text) 8%,transparent);color:color-mix(in srgb,var(--app-text) 84%,transparent);font-size:.88rem;font-weight:650;line-height:1.15}.flashcard__related-chip--more{background:color-mix(in srgb,var(--app-text) 6%,transparent);color:var(--app-text-muted)}.flashcard__back-empty{margin-top:auto}.flashcard-actions{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}.practice-shell[data-fullscreen=true] .flashcard{width:min(900px,100%);min-height:min(64vh,620px);align-self:center}.flashcard-action{min-height:72px;display:inline-flex;align-items:center;justify-content:center;gap:8px;line-height:1.15}.flashcard-action span{overflow-wrap:anywhere}.flashcard-action--repeat{background:#ef4444}.flashcard-action--barely{background:#f59e0b;color:#1f1300}.flashcard-action--well{background:#22c55e;color:#04140a}.flashcard-action--perfect{background:#3b82f6}@keyframes flashcard-fly-bottom-left{0%{opacity:1;transform:translate3d(var(--flashcard-x, 0px),var(--flashcard-y, 0px),0) rotate(var(--flashcard-rotate, 0deg))}45%{opacity:.9;transform:translate3d(calc(var(--flashcard-x, 0px) - 28vw),calc(var(--flashcard-y, 0px) + 18vh),0) rotate(calc(var(--flashcard-rotate, 0deg) - 10deg))}to{opacity:0;transform:translate3d(calc(var(--flashcard-x, 0px) - 112vw),calc(var(--flashcard-y, 0px) + 54vh),0) rotate(calc(var(--flashcard-rotate, 0deg) - 22deg))}}@keyframes flashcard-fly-top-left{0%{opacity:1;transform:translate3d(var(--flashcard-x, 0px),var(--flashcard-y, 0px),0) rotate(var(--flashcard-rotate, 0deg))}45%{opacity:.9;transform:translate3d(calc(var(--flashcard-x, 0px) - 28vw),calc(var(--flashcard-y, 0px) - 18vh),0) rotate(calc(var(--flashcard-rotate, 0deg) - 10deg))}to{opacity:0;transform:translate3d(calc(var(--flashcard-x, 0px) - 112vw),calc(var(--flashcard-y, 0px) - 54vh),0) rotate(calc(var(--flashcard-rotate, 0deg) - 22deg))}}@keyframes flashcard-fly-top-right{0%{opacity:1;transform:translate3d(var(--flashcard-x, 0px),var(--flashcard-y, 0px),0) rotate(var(--flashcard-rotate, 0deg))}45%{opacity:.9;transform:translate3d(calc(var(--flashcard-x, 0px) + 28vw),calc(var(--flashcard-y, 0px) - 18vh),0) rotate(calc(var(--flashcard-rotate, 0deg) + 10deg))}to{opacity:0;transform:translate3d(calc(var(--flashcard-x, 0px) + 112vw),calc(var(--flashcard-y, 0px) - 54vh),0) rotate(calc(var(--flashcard-rotate, 0deg) + 22deg))}}@keyframes flashcard-fly-bottom-right{0%{opacity:1;transform:translate3d(var(--flashcard-x, 0px),var(--flashcard-y, 0px),0) rotate(var(--flashcard-rotate, 0deg))}45%{opacity:.9;transform:translate3d(calc(var(--flashcard-x, 0px) + 28vw),calc(var(--flashcard-y, 0px) + 18vh),0) rotate(calc(var(--flashcard-rotate, 0deg) + 10deg))}to{opacity:0;transform:translate3d(calc(var(--flashcard-x, 0px) + 112vw),calc(var(--flashcard-y, 0px) + 54vh),0) rotate(calc(var(--flashcard-rotate, 0deg) + 22deg))}}.practice-center{min-height:420px;display:grid;place-items:center;gap:18px;padding:24px;text-align:center}.practice-center strong{overflow-wrap:anywhere;font-size:clamp(2rem,1.5rem + 1.6vw,3.6rem)}.memorization-page{max-width:920px;margin:0 auto}.memorization-count{min-height:34px;display:inline-flex;align-items:center;border:1px solid var(--app-border);border-radius:999px;padding:0 12px;background:var(--app-surface);color:var(--app-text-muted);font-weight:720;white-space:nowrap}.memorization-card{min-height:clamp(420px,64vh,660px);display:grid;grid-template-rows:minmax(130px,auto) auto auto 1fr;gap:18px;padding:clamp(18px,3vw,32px)}.practice-shell[data-fullscreen=true] .memorization-card{width:min(900px,100%);min-height:min(68vh,660px);align-self:center}.memorization-question{width:100%;display:grid;place-items:center;align-content:center;gap:10px;border:0;border-radius:var(--app-radius-md);padding:24px 18px;background:var(--app-surface-2);color:var(--app-text);cursor:pointer;text-align:center}.memorization-question:disabled{cursor:default}.memorization-question strong{max-width:720px;overflow-wrap:anywhere;font-size:clamp(2rem,1.45rem + 1.6vw,3.7rem);line-height:1.08}.memorization-question span{color:var(--app-text-muted);font-size:.88rem;font-weight:680}.memorization-description{margin:0;border:1px solid var(--app-border);border-radius:var(--app-radius-md);padding:12px 14px;background:var(--app-surface-2);color:var(--app-text-muted);text-align:center}.memorization-feedback{min-height:34px;justify-self:center;display:inline-flex;align-items:center;border-radius:999px;padding:0 14px;background:color-mix(in srgb,var(--app-danger) 16%,var(--app-surface));color:var(--app-danger);font-weight:760}.memorization-feedback[data-correct=true]{background:color-mix(in srgb,var(--app-success) 18%,var(--app-surface));color:var(--app-success)}.memorization-options{align-self:end;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.memorization-option{min-height:64px;border:1px solid var(--app-border);border-radius:var(--app-radius-md);padding:14px 16px;background:var(--app-surface-2);color:var(--app-text);cursor:pointer;font-size:1rem;font-weight:720;overflow-wrap:anywhere;text-align:center;transition:background-color .16s ease,border-color .16s ease,transform .16s ease}.memorization-option:hover:not(:disabled){border-color:var(--app-border-strong);background:var(--app-surface-3);transform:translateY(-1px)}.memorization-option[data-state=correct]{border-color:var(--app-success);background:color-mix(in srgb,var(--app-success) 22%,var(--app-surface))}.memorization-option[data-state=wrong]{border-color:var(--app-danger);background:color-mix(in srgb,var(--app-danger) 20%,var(--app-surface))}.memorization-results,.practice-results{display:grid;gap:12px}.practice-results-screen{width:min(560px,100%);display:grid;gap:12px;justify-self:center}.practice-finish-link{min-height:56px;width:100%;display:inline-flex;align-items:center;justify-content:center;gap:8px;margin-top:20px;border-radius:16px;padding:0 18px;background:var(--app-warning);color:#1f1300;font-size:1.02rem;font-weight:760;text-decoration:none;transition:filter .16s ease,transform .16s ease}.practice-finish-link:hover{filter:brightness(1.04);transform:translateY(-1px)}.practice-results__head{display:grid;gap:6px;margin-bottom:6px;text-align:center}.practice-results__head h1{margin:0;color:var(--app-text);font-size:clamp(1.7rem,1.3rem + .8vw,2.25rem);line-height:1.1}.practice-results__head p{margin:0;color:var(--app-text-muted)}.practice-result{min-height:86px;display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:16px;padding:16px}.practice-result svg,.practice-result b{color:var(--practice-result-color, var(--app-success))}.practice-result--green{--practice-result-color: var(--app-success)}.practice-result--red{--practice-result-color: var(--app-danger)}.practice-result--orange{--practice-result-color: #f59e0b}.practice-result--blue{--practice-result-color: var(--app-info)}.practice-result--time{--practice-result-color: var(--app-text-muted)}.practice-result div{min-width:0;display:grid;gap:4px}.practice-result strong{color:var(--app-text)}.practice-result span{color:var(--app-text-muted)}.memorization-result{min-height:86px;display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:16px;padding:16px}.memorization-result svg,.memorization-result b{color:var(--app-success)}.memorization-result--wrong svg,.memorization-result--wrong b{color:var(--app-danger)}.memorization-result--time svg{color:var(--app-text-muted)}.memorization-result div{min-width:0;display:grid;gap:4px}.memorization-result strong{color:var(--app-text)}.memorization-result span{color:var(--app-text-muted)}.practice-shell[data-fullscreen=true].practice-results-page .practice-shell__content{align-content:center;align-items:center}.practice-shell[data-fullscreen=true] .practice-results-screen{align-self:center;max-height:100%;overflow-y:auto;padding:clamp(4px,2vh,18px) 0}.practice-shell[data-fullscreen=true] .practice-results__head{margin-bottom:0}.practice-shell[data-fullscreen=true] .practice-results,.practice-shell[data-fullscreen=true] .memorization-results{gap:10px}.practice-shell[data-fullscreen=true] .practice-result,.practice-shell[data-fullscreen=true] .memorization-result{min-height:76px;border-radius:14px;padding:14px 16px}.practice-shell[data-fullscreen=true] .practice-finish-link{margin-top:8px}.pairs-board{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.practice-shell[data-fullscreen=true] .pairs-board,.practice-shell[data-fullscreen=true] .word-list,.practice-shell[data-fullscreen=true] .podcast-text,.practice-shell[data-fullscreen=true] .state-box{width:min(900px,100%);justify-self:center}.pairs-column{display:grid;gap:8px}.pair-tile{min-height:62px;padding:12px;color:var(--app-text);cursor:pointer;overflow-wrap:anywhere}.pair-tile[data-active=true]{border-color:var(--app-primary)}.pair-tile[data-matched=true]{opacity:.42}.podcast-text{white-space:pre-wrap}.podcast-text audio,audio{width:100%}.exercise-builder-page{max-width:1440px;margin:0 auto}.exercise-builder{display:grid;grid-template-columns:minmax(240px,300px) minmax(0,1fr);gap:12px;align-items:start}.exercise-builder__list{position:sticky;top:86px;display:grid;gap:12px}.exercise-builder__list-head,.exercise-builder__field-head{min-height:32px;display:flex;align-items:center;justify-content:space-between;gap:10px;color:var(--app-text-muted);font-size:.86rem;font-weight:720}.exercise-builder__list-head strong,.exercise-builder__field-head strong{color:var(--app-text)}.exercise-builder__items{display:grid;gap:8px;max-height:420px;overflow:auto;padding-right:2px}.exercise-builder__item{width:100%;min-height:84px;display:grid;gap:6px;border:1px solid var(--app-border);border-radius:var(--app-radius-md);padding:12px;background:var(--app-surface);color:var(--app-text);cursor:pointer;text-align:left}.exercise-builder__item:hover,.exercise-builder__item[data-active=true]{border-color:var(--app-border-strong);background:var(--app-surface-2)}.exercise-builder__item span,.exercise-builder__item small{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.exercise-builder__item small{color:var(--app-text-muted)}.exercise-builder__status{min-height:24px;width:max-content;display:inline-flex;align-items:center;gap:6px;border-radius:999px;padding:0 9px;background:var(--app-surface-3);color:var(--app-text-muted);font-size:.78rem;font-weight:760}.exercise-builder__status[data-state=ready]{background:color-mix(in srgb,var(--app-success) 18%,var(--app-surface));color:var(--app-success)}.exercise-builder__status[data-state=warning]{background:color-mix(in srgb,var(--app-warning) 18%,var(--app-surface));color:var(--app-warning)}.exercise-builder__status[data-state=error]{background:color-mix(in srgb,var(--app-danger) 18%,var(--app-surface));color:var(--app-danger)}.exercise-builder__import{display:grid;gap:8px;border:1px solid var(--app-border);border-radius:var(--app-radius-md);padding:12px;background:var(--app-surface)}.exercise-builder__import textarea{min-height:154px;width:100%;border:1px solid var(--app-border);border-radius:var(--app-radius-sm);padding:10px;background:var(--color-input);color:var(--app-text);font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:.82rem;outline:none;resize:vertical}.exercise-builder__editor{min-width:0;display:grid;grid-template-columns:minmax(0,1fr) minmax(260px,380px);gap:12px;align-items:start}.exercise-builder__form{display:grid;gap:14px}.exercise-builder__type-toggle{display:inline-flex;width:max-content;max-width:100%;gap:3px;border-radius:var(--app-radius-md);padding:4px;background:var(--app-surface-2)}.exercise-builder__type-toggle button{min-height:34px;border:0;border-radius:var(--app-radius-sm);padding:0 12px;background:transparent;color:var(--app-text-muted);cursor:pointer;font:inherit;font-size:.86rem;font-weight:720}.exercise-builder__type-toggle button[data-active=true]{background:var(--app-surface);color:var(--app-text)}.exercise-builder__form label{display:grid;gap:6px;color:var(--app-text-muted);font-size:.86rem}.exercise-builder__form input,.exercise-builder__form select,.exercise-builder__form textarea,.exercise-builder__inline-add input{min-height:42px;width:100%;border:1px solid var(--app-border);border-radius:var(--app-radius-sm);padding:9px 11px;background:var(--color-input);color:var(--app-text);outline:none}.exercise-builder__form textarea{min-height:122px;resize:vertical}.exercise-builder__distractor-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.exercise-builder__distractors{min-width:0;display:grid;gap:8px;border:1px solid var(--app-border);border-radius:var(--app-radius-md);padding:12px;background:var(--app-surface-2)}.exercise-builder__chips,.exercise-preview__tokens{min-height:42px;display:flex;flex-wrap:wrap;gap:6px}.exercise-builder__chip,.exercise-preview__tokens span,.exercise-preview__slots span{min-height:30px;display:inline-flex;align-items:center;justify-content:center;gap:6px;border:1px solid var(--app-border);border-radius:999px;padding:0 10px;background:var(--app-surface);color:var(--app-text);font-size:.9rem;font-weight:680;overflow-wrap:anywhere}.exercise-builder__chip button{width:20px;height:20px;display:inline-flex;align-items:center;justify-content:center;border-radius:999px;background:transparent;color:var(--app-text-muted);cursor:pointer}.exercise-builder__chip button:hover{background:var(--app-surface-3);color:var(--app-text)}.exercise-builder__inline-add{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:8px}.exercise-builder__validation{display:flex;flex-wrap:wrap;gap:8px}.exercise-builder__validation span,.exercise-builder__notice{min-height:30px;display:inline-flex;align-items:center;gap:7px;border-radius:999px;padding:0 10px;background:var(--app-surface-2);color:var(--app-text-muted);font-size:.82rem;font-weight:720}.exercise-builder__validation span[data-state=warning]{background:color-mix(in srgb,var(--app-warning) 18%,var(--app-surface));color:var(--app-warning)}.exercise-builder__validation span[data-state=error],.exercise-builder__notice[data-state=error]{background:color-mix(in srgb,var(--app-danger) 18%,var(--app-surface));color:var(--app-danger)}.exercise-builder__notice[data-state=ready]{background:color-mix(in srgb,var(--app-success) 18%,var(--app-surface));color:var(--app-success)}.exercise-builder__actions{display:flex;justify-content:space-between;gap:10px}.exercise-builder__preview-column{display:grid;gap:12px}.exercise-builder__word-card{display:grid;gap:4px}.exercise-builder__word-card span,.exercise-builder__word-card p{margin:0;color:var(--app-text-muted)}.exercise-builder__word-card strong{overflow-wrap:anywhere;font-size:1.4rem;line-height:1.12}.exercise-practice-card{--exercise-card-padding: clamp(22px, 4vw, 42px);min-height:clamp(480px,64vh,700px);display:flex;flex-direction:column;gap:clamp(18px,3vw,28px);border:1px solid var(--app-border);border-radius:var(--app-radius-md);padding:var(--exercise-card-padding);background:var(--app-surface);color:var(--app-text);overflow:hidden}.exercise-card__prompt-row{display:grid;grid-template-columns:120px minmax(0,1fr);align-items:center;gap:clamp(22px,5vw,42px)}.exercise-card__image{width:120px;aspect-ratio:1;display:grid;place-items:center;border:1px solid var(--app-border);border-radius:12px;background:var(--app-surface-2);color:var(--app-text-muted);overflow:hidden}.exercise-card__image img{width:100%;height:100%;object-fit:contain}.exercise-card__audio-button{width:36px;height:36px;display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:999px;background:transparent;color:var(--app-text);cursor:pointer}.exercise-card__audio-button:hover{background:var(--app-surface-3)}.exercise-completion-card__copy,.sentence-build-card__prompt-copy{min-width:0;display:flex;flex-wrap:wrap;align-items:center;gap:10px 12px}.exercise-completion-card__copy{align-content:center}.exercise-completion-card__sentence{min-width:min(100%,360px);display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:0;color:var(--app-text);font-size:clamp(1.35rem,1.1rem + .8vw,2rem);font-weight:760;line-height:1.28}.exercise-completion-card__sentence input{width:min(190px,42vw);min-height:42px;border:0;border-bottom:3px solid currentColor;border-radius:0;padding:3px 5px;background:transparent;color:var(--app-text);outline:none;font:inherit;text-align:center}.exercise-completion-card__sentence input::placeholder{color:var(--app-text-muted)}.exercise-completion-card[data-checked=true][data-correct=true] input{border-bottom-color:var(--app-success);color:var(--app-success)}.exercise-completion-card[data-checked=true][data-correct=false] input{border-bottom-color:var(--app-danger);color:var(--app-danger)}.exercise-completion-card__target{flex-basis:100%;margin:0;color:var(--app-text-muted);font-size:1.05rem}.sentence-build-card__prompt{min-width:0;color:var(--app-text);overflow-wrap:anywhere;font-size:clamp(1.35rem,1.1rem + .8vw,2rem);line-height:1.2}.sentence-build-card__slots,.sentence-build-card__choices{display:flex;flex-wrap:wrap;gap:10px}.sentence-build-card__slots{min-height:72px;align-items:center}.sentence-build-card__choices,.exercise-completion-card__suggestions{align-items:center}.sentence-build-card__choices{margin-top:auto}.sentence-build-card__placeholder{min-width:min(220px,42vw);min-height:48px;border-radius:var(--app-radius-sm);background:color-mix(in srgb,var(--app-primary) 14%,var(--app-surface-3));opacity:.42}.sentence-build-card__token{min-height:48px;border:2px solid var(--app-border);border-radius:var(--app-radius-sm);padding:8px 15px;background:var(--app-surface);color:var(--app-text);font:inherit;font-size:clamp(1rem,.96rem + .18vw,1.15rem);overflow-wrap:anywhere;box-shadow:0 10px 18px color-mix(in srgb,#000 8%,transparent);cursor:pointer}.sentence-build-card__token:disabled{cursor:default}.sentence-build-card__token[data-selected=true]{opacity:.28}.exercise-bottom-block{display:grid;gap:14px;margin:auto calc(-1 * var(--exercise-card-padding)) calc(-1 * var(--exercise-card-padding));padding:18px var(--exercise-card-padding) var(--exercise-card-padding)}.exercise-bottom-block[data-state=correct]{background:var(--app-success);color:#fff}.exercise-bottom-block[data-state=incorrect]{background:var(--app-danger);color:#fff}.exercise-bottom-block__feedback{display:flex;align-items:center;justify-content:center;gap:14px;min-height:34px}.exercise-bottom-block__feedback div{min-width:0;display:grid;gap:2px}.exercise-bottom-block__feedback strong{font-size:clamp(1.45rem,1.2rem + .7vw,2rem);line-height:1}.exercise-bottom-block__feedback span{overflow-wrap:anywhere;font-weight:640;opacity:.9}.exercise-bottom-block__button{width:100%;min-height:58px;border:0;border-radius:var(--app-radius-md);padding:0 18px;background:var(--app-primary);color:var(--app-primary-contrast);font:inherit;font-size:1.1rem;font-weight:760;cursor:pointer}.exercise-bottom-block[data-state=correct] .exercise-bottom-block__button,.exercise-bottom-block[data-state=incorrect] .exercise-bottom-block__button{color:#fff}.exercise-bottom-block[data-state=correct] .exercise-bottom-block__button{background:color-mix(in srgb,#000 18%,var(--app-success))}.exercise-bottom-block[data-state=incorrect] .exercise-bottom-block__button{background:color-mix(in srgb,#000 18%,var(--app-danger))}.exercise-bottom-block__button:disabled{opacity:.42;cursor:default}@media(max-width:640px){.exercise-card__prompt-row{grid-template-columns:1fr;justify-items:center;text-align:center}.exercise-card__image{width:min(150px,54vw)}}.exercise-preview{display:grid;gap:10px;border:1px solid var(--app-border);border-radius:var(--app-radius-md);padding:12px;background:var(--app-surface)}.exercise-preview__slots{min-height:88px;display:flex;flex-wrap:wrap;align-content:flex-start;gap:7px;border:1px dashed var(--app-border);border-radius:var(--app-radius-sm);padding:10px;background:var(--app-surface-2)}.exercise-preview__slots span{min-width:48px;border-style:dashed;background:transparent;color:var(--app-text-muted)}.exercise-preview__tokens span{background:var(--app-surface-2)}.dictionary-page{max-width:960px;margin:0 auto}.dictionary-search{display:grid;gap:12px}.dictionary-language-row,.dictionary-input-row{display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);gap:8px;align-items:center}.dictionary-input-row{grid-template-columns:minmax(0,1fr) auto}.dictionary-language-row input,.dictionary-input-row input{min-height:44px;border:1px solid var(--app-border);border-radius:var(--app-radius-sm);padding:0 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