@font-face{font-display:swap;font-family:Lexi Russian;font-style:normal;font-weight:400;src:local("Georgia"),local("Times New Roman"),local("Noto Serif"),local("DejaVu Serif"),local("Liberation Serif");unicode-range:u+0300-036f,u+0400-052f,u+1c8?,u+2de0-2dff,u+a640-a69f}@font-face{font-display:swap;font-family:Lexi Russian;font-style:normal;font-weight:700;src:local("Georgia Bold"),local("Times New Roman Bold"),local("Noto Serif Bold"),local("DejaVu Serif Bold"),local("Liberation Serif Bold");unicode-range:u+0300-036f,u+0400-052f,u+1c8?,u+2de0-2dff,u+a640-a69f}@font-face{font-display:swap;font-family:Lexi Russian;font-style:italic;font-weight:400;src:local("Georgia Italic"),local("Times New Roman Italic"),local("Noto Serif Italic"),local("DejaVu Serif Oblique"),local("Liberation Serif Italic");unicode-range:u+0300-036f,u+0400-052f,u+1c8?,u+2de0-2dff,u+a640-a69f}@font-face{font-display:swap;font-family:Lexi Russian;font-style:italic;font-weight:700;src:local("Georgia Bold 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42%;font-size:var(--type-body)}.preference-value{flex:1;min-width:0}.preference-value .lexi-picker-field{max-width:none;width:100%}.preference-value .lexi-picker-control{border-color:transparent;justify-content:flex-end;min-height:44px;padding:0;text-align:right}.logout-button{margin-top:2px;width:100%}.onboarding-page{align-items:center;display:flex;flex:1;justify-content:center;min-height:100vh;padding:36px 20px;width:100%}.onboarding-card{padding:clamp(20px,4vw,34px);width:min(100%,640px)}.onboarding-heading{display:grid;gap:7px;margin-bottom:24px}.onboarding-step{color:var(--app-primary);font-size:var(--type-assist);font-weight:650}.onboarding-heading .page-title{margin:0}.onboarding-subtitle{color:var(--app-muted);font-size:var(--type-assist);line-height:1.5}.onboarding-step-content{display:grid;gap:16px}.onboarding-prompt{color:var(--app-ink);font-size:var(--type-body);font-weight:550}.onboarding-choice-grid{display:grid;gap:10px;grid-template-columns:repeat(2,minmax(0,1fr))}.onboarding-choice{align-content:center;display:grid;gap:5px;justify-content:stretch;justify-items:start;min-height:68px;text-align:left;width:100%}.onboarding-choice.selected{background:var(--app-soft);border-color:var(--app-primary);outline:1px solid var(--app-primary)}.onboarding-choice-title{color:var(--app-ink);font-size:var(--type-body);font-weight:600}.onboarding-choice-detail{color:var(--app-muted);font-size:var(--type-assist)}.onboarding-preview{display:grid;gap:8px;margin-top:3px}.onboarding-preview-label{color:var(--app-muted);font-size:var(--type-assist);font-weight:600}.onboarding-preview-card{background:var(--preview-bg);border:1px solid var(--preview-border);border-radius:9px;display:grid;gap:7px;padding:16px}.onboarding-preview-title{color:var(--preview-ink);font-size:var(--type-title-sm);font-weight:620}.onboarding-preview-copy{color:var(--preview-copy);font-size:var(--type-assist)}.onboarding-theme-grid{grid-template-columns:repeat(auto-fit,minmax(130px,1fr))}.onboarding-theme-grid .theme-option{min-height:118px}.onboarding-actions{display:flex;gap:10px;margin-top:24px}.onboarding-actions > *{flex:1}.onboarding-selection-hint{color:var(--app-muted);font-size:var(--type-assist)}.onboarding-language-fields{gap:18px}.onboarding-language-fields .lexi-picker-field{max-width:none;width:100%}.onboarding-language-fields .lexi-picker-control{min-height:48px}.preferences-recovery{display:grid;gap:10px;margin:auto;width:min(100% - 32px,480px)}.login-page{align-items:center;display:flex;flex:1;justify-content:center;min-height:100vh;min-width:0;padding:24px 20px;width:100%}.login-card{border-radius:12px;box-shadow:0 1px 3px rgb(0 0 0/5%);padding:24px;width:min(100%,384px)}.login-intro{display:grid;gap:6px;margin:0 0 24px}.login-title{color:var(--app-ink);font-size:18px;font-weight:600}.login-subtitle{color:var(--app-muted);font-size:var(--type-body)}.login-fields{display:grid;gap:24px}.login-field{display:grid;gap:6px;min-width:0}.login-field-label{color:var(--app-ink);font-size:var(--type-body);font-weight:550}.login-field-control{background:var(--app-surface);border:1px solid var(--app-input,var(--app-border));border-radius:8px;color:var(--app-ink);display:block;font-family:inherit;font-size:var(--type-body);height:44px;line-height:22px;min-height:44px;padding:10px 12px;width:100%}.login-field-control:focus{border-color:var(--app-ink);outline:2px solid var(--app-border)}.login-field-control::-moz-placeholder{color:#a1a1aa}.login-field-control::placeholder{color:#a1a1aa}.login-field-control[disabled]{opacity:.6}.login-password-hint{color:var(--app-muted);font-size:var(--type-assist)}.login-actions{display:grid;gap:12px;margin-top:24px}.login-actions .form-error{margin:0}.login-submit{min-height:40px}.login-footer{align-items:center;display:flex;gap:2px;justify-content:center;margin-top:16px}.login-footer-copy{color:var(--app-muted);font-size:var(--type-body)}.login-mode-link.action-button{color:var(--app-ink);font-size:var(--type-body);min-height:36px;padding:0 4px;text-decoration:underline;text-underline-offset:3px;width:auto}.confirm-backdrop,.sheet-backdrop{align-items:center;background:rgba(0,0,0,.34);display:flex;inset:0;justify-content:center;padding:18px;position:fixed;z-index:20}.modal-notice{left:12px;position:fixed;right:12px;top:10px;z-index:30}.success-toast{bottom:32px;display:flex;justify-content:center;left:16px;opacity:0;pointer-events:none;position:fixed;right:16px;transform:translateY(5px);transition:opacity .16s cubic-bezier(.23,1,.32,1),transform .16s cubic-bezier(.23,1,.32,1);z-index:121}.success-toast.is-visible{opacity:1;transform:translateY(0)}.success-toast__bubble{align-items:center;background:var(--app-surface);border:1px solid var(--app-border);border-radius:var(--radius-card,12px);box-shadow:0 8px 24px rgba(15,23,42,.12);color:var(--app-ink);display:flex;font-family:inherit;font-size:14px;gap:10px;line-height:1.45;max-width:360px;min-height:48px;padding:10px 16px}.success-toast__icon{align-items:center;background:var(--app-success);border-radius:50%;color:var(--app-on-primary);display:flex;flex:0 0 20px;font-size:12px;font-weight:700;height:20px;justify-content:center;line-height:1;width:20px}.success-toast__text{min-width:0;overflow-wrap:anywhere}.mobile-shell .success-toast{bottom:calc(88px + env(safe-area-inset-bottom, 0px))}.modal-notice .notice-banner{box-shadow:0 8px 25px rgba(0,0,0,.12)}.create-sheet,.detail-sheet{background:var(--app-surface);border:1px solid var(--app-border);border-radius:12px;box-shadow:0 18px 55px rgba(0,0,0,.15);color:var(--app-ink);display:flex;flex-direction:column;height:min(92vh,920px);max-height:min(92vh,920px);overflow:hidden;width:min(560px,100%)}.detail-sheet{height:auto;width:min(490px,100%)}.detail-sheet > .sheet-scroll{flex:0 1 auto;height:auto;max-height:calc(92vh - 72px)}.create-sheet{height:auto}.create-sheet > .sheet-scroll{flex:0 1 auto;height:auto;max-height:calc(92vh - 72px)}.sheet-header{align-items:center;border-bottom:1px solid var(--app-border);display:flex;flex-shrink:0;gap:12px;justify-content:space-between;min-height:72px;padding:12px 24px}.sheet-heading{display:grid;gap:3px;min-width:0}.sheet-title{color:var(--app-ink);font-size:var(--type-title-sm);font-weight:650;overflow-wrap:anywhere}.sheet-subtitle{color:var(--app-muted);font-size:var(--type-assist)}.icon-button{flex:0 0 44px;font-size:21px;min-height:44px;padding:0;width:44px}.sheet-scroll{flex:1;height:0;min-height:0}.sheet-body{padding:24px}.sheet-section-title{margin:0 0 12px}.sheet-action-gap{margin-top:3px}.sheet-action-stack{display:grid;gap:9px;margin-top:14px}.dictionary-description{color:var(--app-muted);display:block;font-size:var(--type-assist);margin:0 0 16px}.info-box{background:var(--app-soft);border:1px solid var(--app-border);border-radius:8px;color:var(--app-muted);font-size:var(--type-assist);margin:12px 0;padding:11px 12px}.owner-editor{border-bottom:1px solid var(--app-border);margin-bottom:18px;padding-bottom:18px}.dictionary-entries{margin-top:20px}.entry-list-scroll{border-top:1px solid var(--app-border);max-height:340px}.entry-item{border-bottom:1px solid var(--app-border);display:grid;gap:4px;padding:11px 2px}.entry-word-line{align-items:baseline;display:flex;flex-wrap:wrap;gap:8px}.entry-word{color:var(--app-ink);font-weight:620}.entry-meaning{color:var(--app-ink);font-size:var(--type-assist)}.entry-example{color:var(--app-muted);font-size:var(--type-assist)}.confirm-box{background:var(--app-soft);border:1px solid var(--app-border);border-radius:8px;margin-top:12px;padding:12px}.confirm-dialog{padding:20px;width:min(430px,100%)}.confirm-title{color:var(--app-ink);display:block;font-size:var(--type-title-sm);font-weight:650;margin-bottom:7px}.confirm-copy{color:var(--app-muted);display:block;font-size:var(--type-assist)}.confirm-actions{display:flex;gap:8px;justify-content:flex-end;margin-top:16px}.study-page{background:var(--app-bg);display:flex;flex-direction:column;height:100vh;width:100%}.study-header{align-items:center;background:var(--app-surface);border-bottom:1px solid var(--app-border);display:grid;flex-shrink:0;gap:16px;grid-template-columns:minmax(110px,1fr) minmax(120px,240px) minmax(110px,1fr);min-height:64px;padding:8px 25px}.leave-study-button{justify-self:start;min-width:44px;padding:0;width:44px}.study-back-icon{border-bottom:2px solid;border-left:2px solid;height:10px;transform:rotate(45deg);width:10px}.easy-button{justify-self:end}.study-header-spacer{min-width:70px}.study-progress{display:grid;gap:5px;text-align:center}.study-scroll{flex:1;height:0;min-height:0;width:100%}.study-content{display:flex;flex-direction:column;gap:14px;justify-content:center;margin:0 auto;min-height:100%;padding:28px 24px 34px;width:min(100%,700px)}.question-card{box-shadow:0 10px 35px rgb(0 0 0/4%);padding:23px}.question-word{color:var(--app-ink);display:block;font-size:36px;font-weight:640;line-height:1.3;margin:24px 0 4px;overflow-wrap:anywhere;text-align:center}.sentence-prompt{background:var(--app-bg);border:1px solid var(--app-border);border-radius:10px;color:var(--app-ink);display:block;font-size:var(--type-body);line-height:1.65;margin-top:14px;min-width:0;overflow-wrap:anywhere;padding:12px 14px;text-align:left;word-break:break-word}.sentence-prompt--primary{font-size:clamp(20px,4vw,26px);font-weight:620;line-height:1.5;margin-top:0;padding:18px 16px;text-align:center}.question-reading{color:var(--app-muted);display:block;font-size:var(--type-body);text-align:center}.question-divider{background:var(--app-border);height:1px;margin:19px 0}.round-progress{align-items:center;display:flex;gap:5px}.round-dot{align-items:center;border:1px solid var(--app-border);border-radius:50%;color:var(--app-muted);display:flex;font-size:11px;height:25px;justify-content:center;width:25px}.round-correct{background:var(--app-success-bg);border-color:var(--app-success);color:var(--app-success)}.round-incorrect{background:var(--app-error-bg);border-color:var(--app-error);color:var(--app-error)}.answer-options{display:grid;gap:9px}.answer-option{align-items:center;background:var(--app-surface);border:1px solid var(--app-border);border-radius:8px;color:var(--app-ink);cursor:pointer;display:flex;gap:11px;min-height:54px;padding:9px 12px}.answer-option.is-selected{background:var(--app-accent,var(--app-soft));border-color:var(--app-primary)}.answer-option.is-correct{background:var(--app-success-bg);border-color:var(--app-success)}.answer-option.is-wrong{background:var(--app-error-bg);border-color:var(--app-error)}.answer-option.is-disabled{color:var(--app-ink);opacity:.78}.option-letter{align-items:center;background:var(--app-soft);border-radius:6px;color:var(--app-ink);display:flex;flex:0 0 27px;font-size:var(--type-assist);font-weight:620;height:27px;justify-content:center;width:27px}.option-label{flex:1;min-width:0;overflow-wrap:anywhere}.option-result{font-size:var(--type-title-sm);font-weight:700}.is-correct .option-result{color:var(--app-success)}.is-wrong .option-result{color:var(--app-error)}.answer-feedback{border-radius:8px;display:grid;gap:5px;margin-top:13px;padding:11px 12px}.feedback-correct{background:var(--app-success-bg);color:var(--app-success)}.feedback-wrong{background:var(--app-error-bg);color:var(--app-error)}.feedback-title{font-size:var(--type-assist);font-weight:650}.feedback-meaning{color:var(--app-ink);font-size:var(--type-assist);overflow-wrap:anywhere}.study-actions{display:grid;gap:10px}.review-feedback-buttons{display:grid;gap:9px;grid-template-columns:1fr 1fr}.review-feedback-choice.is-selected{background:var(--app-soft);border-color:var(--app-primary)}.study-error-wrap{margin:13px auto 0;width:min(100% - 36px,700px)}.study-complete{align-items:center;display:flex;flex:1;justify-content:center;min-height:0;padding:22px}.complete-card{display:grid;gap:9px;justify-items:center;padding:29px;text-align:center;width:min(100%,430px)}.complete-check{align-items:center;background:var(--app-primary);border-radius:50%;color:var(--app-on-primary);display:flex;font-size:25px;height:52px;justify-content:center;width:52px}.complete-title{color:var(--app-ink);font-size:22px;font-weight:650}.complete-summary{color:var(--app-muted);font-size:var(--type-assist)}.complete-card .action-button{margin-top:13px;min-width:170px}.desktop-shell{background:var(--app-soft)}.desktop-shell .learner-main{background:var(--app-surface);border:1px solid var(--app-border);border-radius:12px;box-shadow:0 1px 3px rgb(0 0 0/3%);height:calc(100vh - 16px);margin:8px 8px 8px 0;overflow:hidden}.desktop-shell .app-header{background:var(--app-surface)}.desktop-header-context{align-items:center;display:flex;gap:12px;min-width:0}.sidebar-toggle.action-button{flex:0 0 44px;margin-left:-12px;min-height:44px;padding:0;width:44px}.header-divider{background:var(--app-border);height:16px;width:1px}.desktop-header-context .header-context{color:var(--app-ink)}@media (max-width:1023px){.learner-app.mobile-shell{flex-direction:column;height:100vh;height:100dvh;min-height:0;overflow:hidden}.mobile-shell .learner-main{flex:1;height:0;min-height:0;width:100%}}@media (min-width:768px) and (max-width:1023px){.mobile-shell{--layout-max-width:800px;--layout-gutter:28px}.mobile-shell .page-content{padding-bottom:36px}}@media (max-width:767px){.learner-main{flex:1;height:0;min-height:0;width:100%}.learner-app{--layout-gutter:16px;--layout-page-top:24px;--layout-card-padding:16px;--layout-grid-gap:12px}.app-header{flex-basis:61px;height:61px;min-height:61px}.app-header .brand-lockup{gap:8px}.app-header 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var(--layout-gutter)}.detail-sheet{height:auto}.detail-sheet > .sheet-scroll{max-height:calc(92vh - 65px - env(safe-area-inset-bottom))}.create-sheet{height:auto;max-height:92vh}.create-sheet > .sheet-scroll{flex:0 1 auto;height:auto;max-height:calc(92vh - 65px - env(safe-area-inset-bottom))}.sheet-body{padding:16px var(--layout-gutter) 24px}.study-page{height:100vh}.study-header{gap:3px;grid-template-columns:minmax(0,1fr) minmax(83px,100px) minmax(0,1fr);min-height:58px;padding:5px 9px}.study-header .action-button{font-size:var(--type-assist);min-height:44px;padding:0 7px}.study-content{gap:11px;justify-content:flex-start;padding:14px 13px calc(18px + env(safe-area-inset-bottom))}.question-card{padding:18px 15px}.question-word{font-size:32px;margin-top:21px}.question-divider{margin:16px 0}.answer-option{gap:8px;min-height:54px;padding:8px 9px}.study-actions{gap:9px}.study-error-wrap{width:calc(100% - 22px)}.complete-card{padding:23px 18px}}@media (max-width:360px){.learner-app{--layout-gutter:12px}.brand-name{font-size:var(--type-body)}.lexi-picker-compact{max-width:45vw}.lexi-picker-compact .lexi-picker-value{font-size:var(--type-assist)}.metric-card{padding-left:7px;padding-right:7px}}@media (prefers-reduced-motion:reduce){*,*::after,*::before{animation-duration:.01ms!important;transition-duration:.01ms!important}.success-toast{transform:none}}@keyframes turn{to{transform:rotate(1turn)}}@keyframes turn-centered{from{transform:translate(-50%,-50%) rotate(0deg)}to{transform:translate(-50%,-50%) rotate(1turn)}}html .weui-picker .weui-picker__item{font-size:20px}html .weui-picker .weui-picker__hd{font-size:18px;line-height:28px}html .weui-picker .weui-picker__action{font-size:18px}html[data-theme="night"] .weui-picker,html[data-theme="night"] .weui-picker__bd,html[data-theme="night"] .weui-picker__hd{background-color:#1d2822;color:#e5ece7}html[data-theme="night"] .weui-picker__action{color:#8eb9a1}html[data-theme="night"] .weui-picker__action:first-child{color:#a5b4a9}html[data-theme="night"] .weui-picker__item{color:#e5ece7}html[data-theme="night"] .weui-picker__item_disabled{color:#a5b4a9}html[data-theme="night"] .weui-picker__hd::after,html[data-theme="night"] .weui-picker__indicator::after,html[data-theme="night"] .weui-picker__indicator::before{border-color:#35443a;color:#35443a}html[data-theme="night"] .weui-picker__mask{background-image:linear-gradient(rgba(29,40,34,.95),rgba(29,40,34,.6)),linear-gradient(rgba(29,40,34,.6),rgba(29,40,34,.95))}.library-upload-entry{align-items:center;display:flex;gap:16px;margin-bottom:24px}.library-upload-entry .action-button{flex-shrink:0}.dictionary-import{background:var(--app-surface);border:1px solid var(--app-border);border-radius:12px;display:flex;flex-direction:column;gap:14px;padding:20px}.import-actions{display:flex;flex-wrap:wrap;gap:10px}.import-error,.import-file-name,.import-summary{display:block;overflow-wrap:anywhere}.import-file-name{color:var(--app-muted);font-size:var(--type-assist)}.import-error{font-size:var(--type-assist)}.import-preview-scroll{max-height:360px;overflow:auto;width:100%}.import-preview-table{font-size:var(--type-assist);min-width:600px}.import-preview-row{border-bottom:1px solid var(--app-border);display:grid;grid-template-columns:minmax(140px,1fr) minmax(220px,1.5fr) minmax(140px,1fr)}.import-preview-row > *{min-width:0;overflow-wrap:anywhere;padding:10px}.import-preview-row .muted-copy{display:block;margin-top:4px}.import-preview-head{background:var(--app-bg);font-weight:600}.dictionary-card-foot{flex-wrap:wrap;gap:8px}.status-pending,.status-rejected{border:1px solid var(--app-border)}@media (max-width:600px){.library-upload-entry{align-items:flex-start;flex-direction:column;gap:10px}.dictionary-import{padding:14px}}.header-page-title{color:var(--app-ink);font-size:var(--header-title-size);font-weight:var(--header-title-weight);line-height:var(--header-title-line)}.header-lookup-modes{align-items:center;display:flex;gap:6px;max-width:100%;min-width:0;overflow-x:auto;scrollbar-width:none}.header-lookup-modes::-webkit-scrollbar{display:none}.header-lookup-modes .header-mode{border-radius:0;flex:0 0 auto;font-size:var(--header-title-size);font-weight:var(--header-title-weight);line-height:var(--header-title-line);min-height:44px;min-width:0;padding:0 6px;white-space:nowrap}.header-lookup-modes .header-mode.is-active{border-bottom:2px solid var(--app-primary);color:var(--app-primary)}.header-lookup-modes .header-mode{background:transparent}.learner-app .taro-textarea,.learner-app .weui-input{background:transparent;color:inherit;font-family:inherit;font-size:var(--type-body);line-height:1.6}.learner-app .taro-textarea{border:0;height:100%;outline:none;padding:0;resize:vertical;width:100%}.learner-app .taro-textarea::-moz-placeholder,.learner-app .weui-input::-moz-placeholder{color:var(--app-muted)}.learner-app .taro-textarea::placeholder,.learner-app .weui-input::placeholder{color:var(--app-muted)}