

:root{--paper:#f7f8f2;--white:#fff;--ink:#25392b;--muted:#81877c;--line:#e6e9de;--green:#3c583c;--dark:#263e2b;--lime:#e1edb7;--orange:#b98257;--soft:#eef2e5;--red:#b65d50;--radius:22px;font-family:Inter,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}
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span{font-size:10px;color:#8b977e}.rating.again{background:#fbf0e9;color:#b0795b;border-color:#edd8c9}.rating.hard{background:#f8f5e9;color:#a29256;border-color:#e9e2c5}.rating.good{background:#edf2e3;color:#69844f;border-color:#d6e2c5}.rating.easy{background:#e6eee5;color:#54765a;border-color:#cddccc}.review-controls{display:flex;justify-content:center;margin-top:22px}.review-shortcut{text-align:center;color:#a5ad9a;font-size:10px;margin-top:18px}.keyboard{padding:1px 5px;border:1px solid #dce2d1;border-radius:4px;font-size:10px;margin:0 3px}.completion{text-align:center;padding:45px 24px}.completion .big-check{font-size:40px;color:#789755;background:#e7f0d6;width:88px;height:88px;display:grid;place-items:center;border-radius:50%;margin:0 auto 25px}.completion h2{font-size:28px}.completion p{font-size:13px;color:#89977a;margin:13px 0 25px}.plan-grid{display:grid;grid-template-columns:1.35fr 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#e9eede}.heat.level1{background:#d9e5bf}.heat.level2{background:#a9c385}.heat.level3{background:#6f9451}.settings-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}.settings-grid h2{font-size:17px}.settings-grid .panel>p{font-size:12px;color:#929d84;margin:10px 0 24px}.field{display:grid;gap:7px;margin:15px 0}.field label,.field-label{font-size:12px;color:#7e8b70}.field small{font-size:10px;color:#9ca68f}.field input{width:100%}.setting-row{display:flex;gap:12px;align-items:center}.setting-row input{width:100px}.data-facts{font-size:12px;color:#8d997f;display:grid;gap:13px}.data-facts strong{color:#5e734b}.notice{padding:14px 17px;border-radius:10px;background:#f7f1e5;border:1px solid #ece1cd;color:#9e8055;font-size:12px;line-height:1.8;margin-bottom:22px}.notice .text-button{color:#9e8055;text-decoration:underline}.pagination{display:flex;align-items:center;justify-content:space-between;margin-top:19px;font-size:11px;color:#949f85}.pagination .button{padding:7px 13px}.pagination-buttons{display:flex;gap:8px}
dialog{border:1px solid var(--line);padding:0;border-radius:23px;width:min(800px,calc(100% - 32px));max-height:90dvh;background:var(--paper);color:var(--ink);box-shadow:0 30px 100px #18291425}dialog::backdrop{background:#14201266;backdrop-filter:blur(4px)}.modal-head{display:flex;justify-content:space-between;align-items:center;padding:24px 28px 16px}.modal-head h2{font-size:22px}.modal-body{padding:0 28px 25px}.modal-subtitle{font-size:12px;color:#8a977b;margin-bottom:20px}.modal-tabs{display:flex;border-bottom:1px solid var(--line);gap:28px;margin-bottom:22px}.modal-tab{border:0;background:transparent;padding:10px 0 13px;color:#9aa58e;font-size:12px;border-bottom:2px solid transparent;display:flex;align-items:center;gap:7px}.modal-tab .icon{width:16px;height:16px}.modal-tab.active{border-color:#6b8850;color:#54713e}.capture-zone{border:1px dashed #bdcea5;background:#f0f4e7;border-radius:15px;padding:26px;text-align:center}.capture-zone>.icon{width:33px;height:33px;color:#7f9860;margin:0 auto 12px}.capture-zone h3{font-size:15px}.capture-zone p{font-size:11px;color:#8e9c7c;margin:8px 0 18px}.capture-buttons{display:flex;justify-content:center;gap:11px}.file-hint{font-size:10px;color:#9da88e;margin-top:12px}.camera-stage{position:relative;border-radius:14px;background:#162012;overflow:hidden;margin-bottom:15px}.camera-stage video{display:block;width:100%;max-height:350px;object-fit:contain}.camera-frame{position:absolute;inset:20%;border:1px solid #e4efbc88;border-radius:12px;pointer-events:none}.camera-stage .button{position:absolute;bottom:13px;left:50%;transform:translateX(-50%);white-space:nowrap}.ocr-status{font-size:12px;color:#7d9069;padding:12px 0}.ocr-status.error{color:var(--red)}.import-text{min-height:170px;font-family:inherit;font-size:12px}.text-actions{display:flex;justify-content:space-between;align-items:center;margin-top:12px;gap:10px}.import-preview{margin-top:23px}.import-preview-head{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:12px;margin-bottom:12px}.preview-scroll{max-height:260px;overflow:auto;background:white;border:1px solid var(--line);border-radius:10px}.preview-row{display:grid;grid-template-columns:20px 1fr 1.4fr;gap:8px;align-items:center;padding:8px 11px;border-bottom:1px solid #edf0e7}.preview-row:last-child{border:0}.preview-row input:not([type=checkbox]){width:100%;padding:7px 9px;font-size:11px;border-color:transparent;background:#f7f9f2}.preview-row input.invalid{border-color:#daac8c;background:#fff7ee}.preview-row input[type=checkbox]{accent-color:var(--green)}.import-footer{display:flex;align-items:flex-end;gap:13px;margin-top:19px}.import-footer .field{flex:1;margin:0}.import-footer .button{height:44px;flex-shrink:0}.form-errors{color:var(--red);font-size:11px;line-height:1.8;margin-top:10px}.help-copy{font-size:11px;color:#99a48c;line-height:1.8;margin:11px 0}.edit-actions{display:flex;justify-content:space-between;margin-top:25px;gap:10px}.edit-actions>div{display:flex;gap:8px}.toast{position:fixed;bottom:30px;left:50%;transform:translate(-50%,15px);background:#2b412d;color:#f4f6eb;border-radius:12px;padding:12px 22px;z-index:100;opacity:0;visibility:hidden;transition:.2s;font-size:12px;max-width:90vw;box-shadow:0 6px 25px #1b2a1820}.toast.visible{transform:translate(-50%,0);opacity:1;visibility:visible}.toast.error{background:#8d5543}[hidden]{display:none!important}.no-script{position:fixed;inset:0;background:var(--paper);display:grid;place-items:center}.spin{animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@keyframes appear{from{opacity:0;transform:translateY(7px)}to{opacity:1;transform:translateY(0)}}
@media(min-width:1600px){#main{padding-top:48px}.study-hero{min-height:295px}.study-hero h2{font-size:32px}.hero-bottom{margin-top:33px}.capture-card{padding:29px 32px}.stats-grid{margin:27px 0 30px}.panel{padding:28px 30px}}
@media(max-width:1180px){.sidebar{width:200px;padding-left:17px;padding-right:17px}.workspace{margin-left:200px;width:calc(100% - 200px)}#main{padding:30px}.topbar{padding:0 30px}.site-footer{padding:20px 30px}.hero-grid{grid-template-columns:1.5fr 1fr}.study-hero{padding:26px}.study-hero h2{font-size:24px}.hero-art{opacity:.65}.capture-card{padding:23px}.photo-mini{display:none}.stat{padding:16px}.stat-value{font-size:29px}.lower-grid{gap:17px}.panel{padding:22px}.book-grid{grid-template-columns:repeat(2,1fr)}.book-grid .book-card:nth-child(3){display:none}}
@media(max-width:940px){.sidebar{width:174px;padding:28px 12px}.brand{font-size:21px;gap:8px;margin-left:5px}.brand small{font-size:7px}.nav-item{gap:9px;padding:12px 11px;font-size:12px}.workspace{margin-left:174px;width:calc(100% - 174px)}#main{padding:27px 24px}.topbar{height:72px;padding:0 24px}.page-heading{align-items:flex-start}.page-heading h1{font-size:25px}.page-heading .button{padding:10px 12px}.hero-grid{grid-template-columns:1fr}.study-hero{min-height:260px}.hero-art{width:35%}.capture-card{flex-direction:row;align-items:center;gap:15px;padding:19px 22px}.capture-top{width:auto}.capture-top h3{white-space:nowrap}.capture-top p{white-space:nowrap}.capture-card>p{display:none}.capture-card .button{margin:0 0 0 auto;width:auto;white-space:nowrap}.stats-grid{gap:10px}.stat{padding:14px}.stat-detail{font-size:9px}.lower-grid,.plan-grid,.settings-grid{grid-template-columns:1fr}.word-table th,.word-table td{padding:13px}.week-days{margin:24px 0}.daily-note{padding:17px 13px 36px}.daily-note p{font-size:13px}.tiny-label{font-size:7px}.site-footer{padding:20px 24px}.heatmap{grid-template-columns:repeat(14,1fr)}}
@media(max-width:680px){.app-shell{display:block}.sidebar{width:100%;height:65px;padding:0 17px;position:static;flex-direction:row;align-items:center;border-right:0;border-bottom:1px solid var(--line)}.brand{margin:0;gap:9px;font-size:19px}.brand-mark{width:31px;height:34px;border-radius:10px 10px 10px 2px;font-size:21px}.brand small{font-size:6px;letter-spacing:1.1px}.nav-caption,.sidebar-bottom{display:none}.sidebar nav{position:fixed;bottom:0;left:0;right:0;background:#f9faf5f5;backdrop-filter:blur(12px);display:flex;justify-content:space-around;padding:9px 8px calc(10px + env(safe-area-inset-bottom));border-top:1px solid var(--line);z-index:25;gap:3px}.nav-item{flex:1;flex-direction:column;gap:3px;padding:5px 0;font-size:10px;border-radius:8px}.nav-item.active{background:transparent;color:#4b6836}.nav-item.active .icon{stroke-width:2.1}.nav-count{display:none}.nav-item .icon{width:21px;height:21px}.workspace{margin:0;width:100%;padding-bottom:75px}.topbar{position:absolute;right:0;top:0;height:65px;border:0;padding:0 17px}.breadcrumb,.topbar-right .icon-button{display:none}.topbar-right{font-size:9px}#main{padding:26px 18px 12px;min-height:calc(100vh - 200px)}.page-heading{margin-bottom:23px;gap:10px}.eyebrow{font-size:8px;letter-spacing:1.6px;margin-bottom:7px}.page-heading h1{font-size:25px}.subtitle{font-size:11px;max-width:250px;line-height:1.8}.heading-actions{gap:5px}.heading-actions .button{padding:9px 10px;font-size:10px;margin-top:13px}.heading-actions .button .icon{width:14px;height:14px}.hero-grid{gap:13px}.study-hero{border-radius:18px;padding:25px 23px;min-height:264px}.study-hero h2{font-size:25px;margin-top:21px}.study-hero p{max-width:72%;font-size:11px}.hero-art{width:39%;opacity:.7}.hero-bottom{gap:12px;margin-top:26px}.hero-bottom>span{font-size:9px}.capture-card{padding:17px;border-radius:15px;gap:8px}.capture-top{gap:9px}.capture-icon{width:36px;height:36px;border-radius:11px}.capture-top h3{font-size:14px}.capture-top p{font-size:8px}.capture-card .button{font-size:10px;padding:9px 10px}.capture-card .button>.icon:first-child{display:none}.stats-grid{grid-template-columns:repeat(2,1fr);gap:11px;margin:17px 0 22px}.stat{padding:17px 18px;border-radius:13px}.stat-value{font-size:30px;margin:10px 0 5px}.stat-label{font-size:11px}.stat-detail{font-size:10px}.panel{padding:21px;border-radius:17px}.lower-grid{gap:16px}.panel-header h2{font-size:15px}.book-grid{grid-template-columns:1fr;gap:10px}.book-grid .book-card:nth-child(3){display:flex}.book-card{padding:16px}.section-title{margin:24px 0 14px}.empty-inline{align-items:flex-start;flex-direction:column;gap:10px;font-size:11px}.site-footer{padding:20px 18px}.site-footer span:last-child{display:none}.toolbar{gap:10px;margin:18px 0}.search-wrap{flex-basis:100%}.toolbar select{flex:1;width:130px;font-size:11px}.filter-tab{font-size:10px;padding:6px 9px}.word-table th,.word-table td{padding:13px 12px}.word-table .book-col{display:none}.word-term{font-size:15px}.word-meaning{font-size:11px}.word-note{display:none}.word-table .due-col{font-size:9px;max-width:80px}.empty-state{padding:45px 20px}.empty-state h2{font-size:19px}.empty-state p{font-size:11px}.empty-actions .button{font-size:11px}.review-card{padding:25px 19px;min-height:340px;border-radius:20px}.review-word{margin-top:42px}.rating-grid{gap:7px}.rating strong{font-size:12px}.rating span{font-size:9px}.rating{padding:13px 3px;border-radius:10px}.review-shortcut{display:none}.meaning{font-size:17px}.review-top{font-size:10px}.completion h2{font-size:24px}.plan-grid,.settings-grid{gap:16px}.forecast{gap:9px;height:190px}.forecast-item{font-size:9px}.heatmap{gap:5px}.setting-row{flex-wrap:wrap}.settings-grid .panel>p{font-size:11px}.toast{bottom:90px;width:max-content;max-width:90%;font-size:11px;padding:11px 17px}dialog{width:calc(100% - 20px);max-height:92dvh;border-radius:18px}.modal-head{padding:20px 19px 13px}.modal-head h2{font-size:20px}.modal-body{padding:0 19px 22px}.modal-subtitle{font-size:11px}.capture-zone{padding:24px 14px}.capture-buttons{gap:8px}.capture-buttons .button{font-size:11px;padding:10px 12px}.capture-zone p{font-size:10px}.preview-row{grid-template-columns:18px .85fr 1.2fr;gap:4px;padding:6px}.preview-row input:not([type=checkbox]){padding:7px 5px;font-size:10px}.import-footer{gap:9px}.import-footer .button{font-size:11px;padding:11px 12px}.import-footer input{font-size:12px}.modal-tabs{gap:25px}.modal-tab{font-size:11px}.text-actions .button{font-size:11px}.text-actions .text-button{font-size:10px}.edit-actions .button{font-size:11px;padding:9px 12px}.heatmap .heat{border-radius:3px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}

.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.ocr-layout{margin:16px 0;max-width:320px}.ocr-layout select{padding:10px 12px;border:1px solid var(--line,#dce0d7);border-radius:10px;background:var(--paper,#fff);color:inherit;font:inherit;width:100%}.preview-row.needs-review{background:#fff6dc}.preview-row.needs-review:has(input[type=checkbox]:checked){background:transparent}
