@charset "UTF-8";
:root{--bg:#f6f7f3;--paper:#fff;--ink:#27372f;--muted:#788078;--green:#365e49;--green-dark:#294c39;--mint:#e9f0e5;--pale:#f0f4ed;--line:#e5e8e0;--amber:#a47735;--bad:#a95140;--sidebar:224px;font-family:"Segoe UI","Microsoft YaHei","PingFang SC",sans-serif;color:var(--ink);background:var(--bg);font-synthesis:none}
*{box-sizing:border-box}body{margin:0;font-size:14px;line-height:1.65}button,input,select{font:inherit}button,a,input,select{-webkit-tap-highlight-color:transparent;transition:background .17s,border-color .17s,box-shadow .17s,transform .17s}button{cursor:pointer;color:inherit;border:0;background:none}button:disabled{cursor:not-allowed;opacity:.45}a{color:var(--green);text-decoration:none}button:active:not(:disabled){transform:translateY(1px)}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #8da78b;outline-offset:4px}svg{vertical-align:middle;flex-shrink:0}h1,h2,h3,p{margin:0}h1,h2,h3{font-weight:600;line-height:1.4}input,select{min-width:0;border:1px solid var(--line);border-radius:9px;background:var(--paper);color:var(--ink);padding:10px 12px}input::placeholder{color:#9a9f97}input:focus{border-color:var(--green);outline:none;box-shadow:0 0 0 3px #365e4910}small{font-size:12px}.muted{color:var(--muted)}.number{font-variant-numeric:tabular-nums}.serif{font-family:Georgia,"Times New Roman",serif}.skip-link{position:fixed;top:-70px;left:20px;z-index:100;background:var(--green);color:white;padding:12px}.skip-link:focus{top:12px}.boot{text-align:center;padding:25vh 20px}.boot-mark{display:inline-grid;place-items:center;width:52px;height:52px;border-radius:15px;background:var(--green);color:#fff;font-size:24px;margin-bottom:15px}.boot small{color:var(--muted)}
.sidebar{width:var(--sidebar);position:fixed;inset:0 auto 0 0;background:#fcfcf9;border-right:1px solid var(--line);display:flex;flex-direction:column;padding:35px 22px 20px;z-index:20}.brand{display:flex;gap:12px;align-items:center;text-align:left;padding:0 10px 31px}.brand-mark{height:37px;width:37px;display:grid;place-items:center;color:#fff;background:var(--green);border-radius:11px}.brand-name{font-size:22px;font-weight:650;letter-spacing:3px;line-height:1.3}.brand small{display:block;letter-spacing:1px;font-size:9px;color:var(--muted);margin-top:4px}.nav-label{font-size:10px;letter-spacing:1.8px;color:#969c91;padding:0 15px;margin:13px 0}.nav-items{display:grid;gap:7px}.nav-item{display:flex;align-items:center;gap:13px;padding:12px 15px;border-radius:9px;color:#71796e;text-align:left;position:relative}.nav-item:hover{background:var(--pale)}.nav-item.active{background:#eaf0e5;color:var(--green);font-weight:600}.nav-item.active:before{content:"";position:absolute;left:-22px;height:19px;width:3px;background:var(--green);border-radius:0 3px 3px 0}.nav-count{margin-left:auto;font-size:11px;border-radius:5px;background:#dce6d7;padding:0 6px}.sidebar-bottom{margin-top:auto;padding-top:45px}.side-progress{background:#f0f3eb;border-radius:12px;padding:17px 16px}.side-progress-top{display:flex;justify-content:space-between;font-size:11px;margin-bottom:12px}.side-progress strong{color:var(--green);font-weight:600}.progress-track{height:5px;background:#dfe5d8;border-radius:8px;overflow:hidden}.progress-fill{height:100%;background:#6e8a61;border-radius:8px;max-width:100%;transition:width .25s}.side-progress p{font-size:10px;color:#8a9284;margin-top:10px}.course-link{display:flex;align-items:center;gap:8px;font-size:11px;color:#858c80;padding:21px 12px 0}.course-link:hover{color:var(--green)}
.workspace{margin-left:var(--sidebar);min-height:100dvh}.topbar{height:89px;max-width:1380px;margin:0 auto;padding:0 48px;display:flex;justify-content:space-between;align-items:center;gap:20px}.breadcrumb{font-size:12px;color:#8e958a;display:flex;align-items:center;gap:14px}.breadcrumb b{font-weight:500;color:#55634f}.topbar-tools{display:flex;align-items:center;gap:20px}.save-state{display:flex;gap:6px;align-items:center;font-size:11px;color:#7a8674}.save-dot{width:5px;height:5px;border-radius:50%;background:#7c9a6d}.save-state.error{color:var(--bad)}.icon-button{width:32px;height:32px;display:inline-grid;place-items:center;border-radius:8px;color:#7b8474}.icon-button:hover{background:#e9ede3;color:var(--green)}main{max-width:1380px;margin:0 auto;padding:16px 48px 35px}.page-heading{display:flex;justify-content:space-between;align-items:end;gap:20px;margin:0 0 28px}.eyebrow{font-size:10px;letter-spacing:2.2px;color:#8c9686;margin-bottom:7px}.page-heading h1{font-size:28px;letter-spacing:.5px}.page-heading p{margin-top:7px;color:var(--muted);font-size:12px}.date-badge{font-size:11px;display:flex;align-items:center;gap:8px;color:#7a8373;padding-bottom:3px}.primary,.secondary,.text-button,.danger-button{display:inline-flex;align-items:center;justify-content:center;gap:9px;border-radius:9px;padding:11px 18px;font-weight:500;font-size:13px;white-space:nowrap}.primary{background:var(--green);color:white}.primary:hover{background:var(--green-dark);box-shadow:0 3px 9px #294c391b}.primary.large{padding:13px 23px}.secondary{background:var(--paper);border:1px solid var(--line);color:#56664f}.secondary:hover{background:#eff3e9;border-color:#cdd7c6}.text-button{padding:7px 0;color:#6a7a60;font-size:12px}.text-button:hover{color:var(--green)}.danger-button{background:#f9ede7;color:var(--bad)}.button-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.section-heading{display:flex;justify-content:space-between;align-items:center;gap:15px;margin-bottom:16px}.section-heading h2{font-size:16px;letter-spacing:.2px}.section-heading small{font-weight:400;color:var(--muted);margin-left:12px}.notice{background:#f5eddd;border:1px solid #e5d8b8;color:#796139;padding:13px 18px;border-radius:10px;margin-bottom:20px;font-size:12px}.notice.success{background:#edf3e8;border-color:#dae5d0;color:var(--green)}.notice button{color:inherit;text-decoration:underline;margin-left:8px}
.hero-grid{display:grid;grid-template-columns:minmax(0,1fr) 242px;gap:20px;margin-bottom:28px}.welcome-panel{background:var(--mint);border-radius:18px;min-height:249px;position:relative;overflow:hidden;display:flex;align-items:center;padding:31px 34px}.welcome-copy{position:relative;z-index:1;max-width:70%}.hero-label{font-size:10px;letter-spacing:1px;color:#6c8260;display:flex;align-items:center;gap:8px;margin-bottom:14px}.hero-label:before{content:"";height:5px;width:5px;border-radius:50%;background:#739063}.welcome-copy h2{font-size:27px;letter-spacing:.7px;line-height:1.55;margin-bottom:10px}.welcome-copy p{font-size:12px;color:#7a8b70;margin-bottom:22px;max-width:300px}.hero-art{position:absolute;width:228px;right:5px;bottom:6px;opacity:.95;pointer-events:none}.countdown-panel{border:1px solid var(--line);background:#fafbf7;border-radius:18px;padding:25px 26px;position:relative;overflow:hidden}.countdown-top{font-size:11px;color:#89917f;display:flex;align-items:center;gap:7px}.countdown-number{font-size:72px;line-height:1.2;font-weight:450;color:#4d6343;letter-spacing:-4px;margin:13px 0 2px}.countdown-number span{font-size:13px;letter-spacing:0;color:#8b947f;margin-left:9px}.countdown-panel p{font-size:11px;color:#858e7b}.countdown-panel .text-button{font-size:10px;margin-top:7px}.stats-strip{display:grid;grid-template-columns:repeat(4,1fr);margin:0 0 33px;border-bottom:1px solid var(--line);padding:0 0 25px;gap:20px}.metric{padding-left:24px;border-left:1px solid var(--line)}.metric:first-child{padding-left:3px;border-left:none}.metric-label{font-size:11px;color:#858d7d;display:flex;gap:7px;align-items:center}.metric-value{font-size:27px;font-weight:550;line-height:1.4;margin:8px 0 2px;letter-spacing:-.5px}.metric-value small{font-size:12px;color:#a0a694;margin-left:5px;font-weight:400}.metric-foot{font-size:10px;color:#949c8b}.home-lower{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(230px,1fr);gap:28px}.panel{background:var(--paper);border:1px solid var(--line);border-radius:14px}.today-book{padding:0 22px}.book-meta{padding:17px 0;display:flex;align-items:center;gap:10px;border-bottom:1px solid var(--line)}.book-cover{width:35px;height:43px;background:#eaf0e4;color:#708565;display:grid;place-items:center;border-radius:3px 6px 6px 3px;border-left:3px solid #c3d1b6}.book-meta h3{font-size:13px}.book-meta p{font-size:10px;color:var(--muted)}.book-meta .text-button{margin-left:auto;font-size:11px}.preview-word{display:flex;align-items:center;gap:17px;padding:11px 0;border-bottom:1px solid #eff1ea;min-height:48px}.preview-word:last-child{border:0}.word-index{font-size:10px;color:#abb09f;width:17px;font-variant-numeric:tabular-nums}.preview-word strong{font-family:Georgia,serif;font-size:18px;font-weight:400;min-width:105px}.preview-word .meaning{font-size:11px;color:#8b9381;flex:1;text-align:right}.preview-word .concealed{letter-spacing:3px;color:#c0c6b7}.book-foot{display:flex;justify-content:space-between;align-items:center;padding:11px 0 14px;font-size:10px;color:#949b8c}.routine{padding:0 5px}.routine-step{display:grid;grid-template-columns:26px 1fr auto;gap:11px;padding:15px 0;border-bottom:1px solid var(--line);align-items:start}.step-index{font-family:Georgia,serif;font-size:16px;color:#b4bca8;line-height:1.5}.routine-step h3{font-size:12px;margin-bottom:4px}.routine-step p{font-size:10px;color:#8d9683}.routine-step .icon-button{width:27px;height:27px;margin-top:4px}.study-note{display:flex;gap:9px;color:#919b88;font-size:10px;line-height:1.9;margin-top:16px;background:#f0f3eb;border-radius:9px;padding:12px}.mode-switch{display:flex;gap:2px;background:#eef1e8;border-radius:8px;padding:3px}.mode-switch button{font-size:11px;border-radius:6px;padding:6px 12px;color:#8a9480}.mode-switch button.active{background:#fff;box-shadow:0 1px 4px #5068440b;color:var(--green)}.home-footer{font-size:10px;color:#a0a794;display:flex;justify-content:space-between;gap:20px;margin-top:30px}.resume-banner{display:flex;align-items:center;gap:14px;padding:15px 20px;margin-bottom:22px;border:1px solid #cfdcc4;background:#f1f5ec;border-radius:12px}.resume-copy{flex:1}.resume-banner strong{font-size:13px}.resume-banner p{font-size:11px;color:var(--muted);margin-top:2px}
.toolbar{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:23px}.search-box{position:relative;flex:1;min-width:190px;max-width:360px}.search-box svg{position:absolute;top:13px;left:14px;color:#929a88}.search-box input{width:100%;padding-left:40px;background:#fff;font-size:12px}.tabs{display:flex;gap:5px;flex-wrap:wrap}.tab{font-size:12px;padding:8px 16px;border-radius:7px;color:#87917c}.tab.active{color:var(--green);background:#e6ede0}.tab:hover{background:#edf1e6}.library-heading{display:flex;justify-content:space-between;align-items:center;gap:10px;padding-bottom:14px;border-bottom:1px solid var(--line);margin:27px 0 17px}.library-heading h2{font-size:15px}.library-heading p{font-size:11px;color:#8d9584}.days-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px}.day-card{background:#fcfdf9;border:1px solid var(--line);border-radius:12px;padding:18px 20px}.day-card-head{display:flex;align-items:center;justify-content:space-between}.day-number{font-family:Georgia,serif;font-size:23px;font-weight:400}.day-number span{font-size:13px;color:#96a18b;margin-right:5px}.day-status{font-size:10px;color:#8d9981}.day-sample{font-family:Georgia,serif;font-size:12px;color:#8c9681;margin:12px 0 17px;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.day-card .progress-track{height:3px}.day-bottom{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-top:10px}.day-bottom small{font-size:10px;color:#8d9684}.day-bottom .text-button{font-size:11px}.word-table{width:100%;border-collapse:collapse}.word-table th{text-align:left;font-size:10px;letter-spacing:.5px;font-weight:500;color:#929b87;padding:12px 16px;border-bottom:1px solid var(--line);background:#f7f9f2}.word-table td{padding:15px 16px;border-bottom:1px solid #edf0e7;font-size:12px}.word-table .table-word{font-size:19px;font-weight:400;font-family:Georgia,serif}.word-table .table-meaning{color:#7c8970}.word-table tr:last-child td{border:0}.status-label{font-size:10px;color:#8c9782;white-space:nowrap}.status-label.due{color:var(--amber)}.table-wrap{overflow-x:auto;border-radius:12px;border:1px solid var(--line);background:#fff}.empty-state{padding:55px 25px 65px;text-align:center;background:#fcfdf9;border:1px dashed #d9e1cf;border-radius:15px}.empty-illustration{color:#a0b28d;margin-bottom:20px}.empty-state h2{font-size:20px;margin-bottom:10px}.empty-state p{font-size:12px;color:#8e9882;max-width:390px;margin:0 auto 22px}.review-intro{padding:22px 25px;border-radius:13px;background:#eaf0e3;display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:23px}.review-intro h2{font-size:17px;margin-bottom:5px}.review-intro p{font-size:11px;color:#819175}.review-intro .button-row{flex-shrink:0}
.focus-heading{display:flex;align-items:center;gap:16px;max-width:1000px;margin:0 auto 23px}.focus-title{flex:1}.focus-heading h1{font-size:17px}.focus-heading p{color:var(--muted);font-size:11px;margin-top:3px}.focus-heading .text-button{font-size:11px}.session-progress{max-width:1000px;margin:0 auto 27px;display:flex;align-items:center;gap:17px}.session-progress .progress-track{flex:1;height:4px}.session-progress span{font-size:10px;color:#8a9680;white-space:nowrap}.study-layout{max-width:1000px;margin:0 auto;display:grid;grid-template-columns:minmax(0,1fr) 207px;gap:22px;align-items:start}.question-panel{border:1px solid #e0e6d8;border-radius:18px;background:#fff;overflow:hidden;box-shadow:0 8px 35px #5f745506}.question-top{padding:18px 25px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #f0f2eb}.question-label{font-size:10px;color:#8d9a80;letter-spacing:.8px}.word-position{font-size:10px;color:#a6ae9b}.prompt-area{text-align:center;padding:35px 23px 28px;min-height:217px;display:flex;flex-direction:column;justify-content:center;align-items:center}.prompt-word{font-family:Georgia,"Times New Roman",serif;font-weight:400;font-size:clamp(40px,4.6vw,60px);line-height:1.3;letter-spacing:-1px;overflow-wrap:anywhere;max-width:100%}.prompt-chinese{font-family:inherit;font-size:24px;letter-spacing:0;line-height:1.7}.prompt-sub{display:flex;align-items:center;justify-content:center;gap:7px;margin-top:14px;font-size:11px;color:#9aa38f}.sound-button{display:inline-flex;align-items:center;gap:6px;color:#789067;font-size:11px;padding:6px}.sound-button:hover{color:var(--green)}.answer-form{padding:0 28px 26px}.answer-form label{display:block;font-size:11px;color:#819075;margin-bottom:8px}.answer-input-row{display:flex;gap:9px}.answer-input-row input{width:100%;flex:1;font-size:15px;background:#fafbf7;padding:12px 14px}.answer-input-row input:disabled{color:#56684c;opacity:1}.answer-input-row .primary{padding:11px 17px}.input-help{display:flex;justify-content:space-between;align-items:center;gap:9px;margin-top:12px;font-size:10px;color:#9ba58f}.input-help button{font-size:10px;color:#8a977d;padding:2px}.input-help button:hover{color:var(--green)}kbd{font-family:inherit;font-size:9px;border:1px solid #e2e6db;border-radius:4px;padding:1px 5px;color:#8b9680;background:#fbfcf8}.feedback{border-top:1px solid #dde7d2;background:#f0f5e9;padding:20px 27px}.feedback.incorrect,.feedback.uncertain,.feedback.revealed{border-color:#e9ddc6;background:#faf5eb}.feedback-title{display:flex;align-items:center;gap:8px;font-weight:600;font-size:13px;color:#5c7d46;margin-bottom:7px}.feedback.incorrect .feedback-title,.feedback.uncertain .feedback-title,.feedback.revealed .feedback-title{color:#9e7e49}.feedback-meaning{font-size:14px;line-height:1.8;color:#526149}.feedback-example{font-family:Georgia,serif;font-size:15px;color:#6a775c;margin-top:11px;line-height:1.6}.feedback-translation{font-size:11px;color:#8a957e;margin-top:3px}.feedback-note{font-size:11px;color:#939b87;margin-top:9px}.feedback-actions{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;margin-top:16px}.feedback-actions .text-button{font-size:10px}.session-aside{padding-top:4px}.session-aside h2{font-size:12px;margin-bottom:16px}.session-mini{padding:14px 0;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;font-size:11px;color:#8b967e}.session-mini strong{color:#637655;font-weight:500;font-size:14px}.aside-rule{color:#99a28d;font-size:10px;line-height:1.95;margin-top:20px}.aside-rule p{margin-bottom:11px}.save-exit{font-size:10px;color:#8e9b7f;text-align:center;margin:20px 0}.summary-panel{max-width:700px;margin:30px auto;background:#fff;border:1px solid var(--line);border-radius:20px;padding:40px;text-align:center}.summary-seal{width:62px;height:62px;border-radius:50%;background:#eaf1e2;color:#6e8a56;display:inline-grid;place-items:center;margin-bottom:20px}.summary-panel h1{font-size:25px}.summary-panel>p{color:var(--muted);font-size:12px;margin:10px 0 26px}.summary-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;padding:20px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-bottom:24px}.summary-stats strong{font-size:28px;font-weight:500;display:block}.summary-stats span{font-size:11px;color:#8d9781}.summary-panel .button-row{justify-content:center}.summary-panel .summary-note{font-size:11px;line-height:1.9;margin:19px 0 0}.activity-panel{padding:25px;margin-bottom:25px}.activity-chart{display:flex;align-items:flex-end;gap:clamp(6px,1.3vw,18px);height:140px;padding-top:20px;margin:10px 0 28px}.activity-column{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;height:100%;gap:4px;position:relative}.activity-bar{width:100%;max-width:34px;border-radius:4px 4px 0 0;min-height:3px;background:#c5d6b5}.activity-bar.today{background:#6f8e57}.activity-count{font-size:9px;color:#9aa78c}.activity-date{position:absolute;bottom:-23px;font-size:9px;color:#98a38c}.log-grid{display:grid;grid-template-columns:1.3fr 1fr;gap:22px}.memory-distribution{padding:25px}.distribution-row{display:flex;align-items:center;gap:13px;padding:11px 0;font-size:12px}.distribution-row .progress-track{flex:1;height:6px}.distribution-row span:first-child{width:72px;color:#7c8b6f}.distribution-row strong{width:40px;text-align:right;font-size:12px;font-weight:500}.distribution-note{font-size:10px;line-height:1.9;color:#97a28c;margin-top:15px}.settings-panel{max-width:800px;padding:27px 30px;margin-bottom:22px}.settings-panel h2{font-size:16px;margin-bottom:20px}.setting-row{display:flex;align-items:center;justify-content:space-between;gap:25px;padding:16px 0;border-bottom:1px solid #edf0e6}.setting-row:first-of-type{padding-top:0}.setting-row:last-of-type{border:0}.setting-copy label,.setting-copy strong{font-size:13px;display:block;font-weight:500}.setting-copy p{font-size:11px;color:#95a087;margin-top:4px;max-width:390px}.setting-row input,.setting-row select{width:180px;flex-shrink:0;font-size:12px}.settings-panel .button-row{margin-top:18px}.settings-description{font-size:11px;color:#8b977e;line-height:1.9}.settings-description a{text-decoration:underline}.import-summary{background:#f1f5eb;border-radius:10px;padding:15px;margin:18px 0;font-size:12px;line-height:2}.sources{font-size:10px;color:#94a086;margin-top:15px;line-height:1.9}
dialog{border:1px solid #dbe3d0;border-radius:17px;padding:0;width:min(650px,calc(100% - 32px));max-height:85dvh;color:var(--ink);box-shadow:0 20px 90px #314b3030;background:#fcfdf9}dialog::backdrop{background:#293d304a;backdrop-filter:blur(3px)}.dialog-header{display:flex;justify-content:space-between;align-items:center;padding:22px 26px 18px;border-bottom:1px solid var(--line)}.dialog-header h2{font-size:17px}.dialog-body{padding:22px 26px;max-height:65dvh;overflow:auto}.dialog-body>p{color:var(--muted);font-size:12px;line-height:1.9;margin-bottom:15px}.dialog-body input{width:100%;margin-bottom:12px}.dialog-body .button-row{margin-top:18px}.dialog-body .word-table td{padding:12px 8px}.dialog-body .word-table .table-word{font-size:17px}.dialog-body .table-wrap{border:0}.toast{position:fixed;left:calc(50% + 112px);bottom:25px;transform:translate(-50%,15px);background:#344d37;color:#f7f9f0;padding:11px 19px;border-radius:9px;max-width:min(580px,88vw);font-size:12px;box-shadow:0 5px 25px #3c543b20;opacity:0;pointer-events:none;z-index:60;transition:opacity .2s,transform .2s}.toast.visible{opacity:1;transform:translate(-50%,0)}.load-more{display:flex;justify-content:center;margin:20px}.input-error{font-size:11px;color:var(--bad);margin-top:9px}.privacy-foot{font-size:10px;color:#9da68f;margin-top:20px;max-width:800px}.count-note{font-size:11px;color:#8a987c}.fade-in{animation:appear .25s ease-out}@keyframes appear{from{opacity:0;transform:translateY(5px)}to{opacity:1;transform:translateY(0)}}
@media(min-width:1600px){.topbar{height:100px}main{padding-top:24px}.welcome-panel{min-height:270px}.hero-art{width:255px;right:20px}.welcome-copy h2{font-size:31px}.preview-word{padding:13px 0}.page-heading{margin-bottom:32px}}
@media(max-width:1150px){:root{--sidebar:190px}.sidebar{padding-left:15px;padding-right:15px}.nav-item.active:before{left:-15px}.topbar{padding:0 30px}main{padding:12px 30px 30px}.hero-grid{grid-template-columns:minmax(0,1fr) 195px;gap:15px}.welcome-panel{padding:27px}.welcome-copy h2{font-size:23px}.hero-art{width:175px;right:-10px}.countdown-panel{padding:24px 20px}.countdown-number{font-size:63px}.home-lower{gap:23px;grid-template-columns:1.35fr 1fr}.today-book{padding:0 17px}.preview-word{gap:12px}.preview-word strong{min-width:85px}.preview-word .meaning{max-width:145px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.metric{padding-left:16px}.days-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.study-layout{grid-template-columns:minmax(0,1fr) 165px}.question-top{padding:16px 20px}.answer-form{padding:0 20px 22px}.feedback{padding:18px 20px}.toast{left:calc(50% + 95px)}}
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@media(max-width:620px){:root{--sidebar:0px}.sidebar{position:fixed;top:auto;bottom:0;left:0;right:0;width:100%;height:66px;padding:6px 8px 5px;flex-direction:row;border:0;border-top:1px solid var(--line);background:#fcfcf9f5;backdrop-filter:blur(12px);justify-content:center}.sidebar .brand{display:none}.nav-items{display:grid;grid-template-columns:repeat(4,1fr);gap:3px;width:100%}.nav-item{padding:5px 3px;display:flex;gap:3px;flex-direction:column;border-radius:7px;align-items:center;justify-content:center;min-height:51px}.nav-item>span{display:block;font-size:9px}.nav-item svg{width:19px;height:19px}.nav-item.active:before{display:none}.nav-item .nav-count{display:none}.workspace{margin:0;padding-bottom:65px}.topbar{height:67px;padding:0 20px}.breadcrumb{font-size:11px;gap:9px}.topbar-tools{gap:10px}.save-state{font-size:10px}.topbar-tools .icon-button{width:29px}.page-heading{margin-bottom:23px;align-items:start}.page-heading h1{font-size:25px}.date-badge{font-size:9px;padding-top:7px;gap:5px}.page-heading p{font-size:11px}main{padding:10px 20px 28px}.hero-grid{grid-template-columns:minmax(0,1fr);gap:13px;margin-bottom:25px}.welcome-panel{min-height:238px;padding:26px}.welcome-copy h2{font-size:25px}.welcome-copy{max-width:76%}.welcome-copy p{font-size:11px;max-width:210px}.hero-art{width:174px;right:-4px;bottom:4px}.welcome-copy .primary{padding:11px 16px;font-size:12px}.countdown-panel{border-radius:12px;padding:14px 17px;display:flex;align-items:center;justify-content:space-between;gap:10px}.countdown-number{font-size:34px;margin:0;letter-spacing:-1px;line-height:1;order:1}.countdown-number span{font-size:10px;margin-left:5px}.countdown-top{font-size:10px}.countdown-panel p{font-size:9px}.countdown-panel .text-button{margin:0;font-size:9px}.countdown-detail{order:2;text-align:right}.stats-strip{grid-template-columns:repeat(2,1fr);gap:20px 0;margin-bottom:25px;padding-bottom:24px}.metric{padding-left:22px}.metric:nth-child(3){padding-left:3px;border:0}.metric-value{font-size:25px}.metric-label{font-size:11px}.metric-foot{font-size:10px}.home-lower{grid-template-columns:1fr;gap:28px}.routine{padding:0}.routine-step{padding:13px 0}.routine-step p{font-size:11px}.routine-step h3{font-size:13px}.section-heading h2{font-size:15px}.preview-word strong{font-size:19px;min-width:110px}.preview-word .meaning{max-width:160px}.home-footer{flex-direction:column;gap:3px;margin-top:25px;font-size:9px}.mode-switch button{padding:6px 9px;font-size:10px}.resume-banner{padding:14px;gap:9px;flex-wrap:wrap}.resume-copy{min-width:180px}.resume-banner .primary{font-size:11px;padding:8px 12px}.resume-banner .text-button{font-size:10px}.days-grid{gap:12px;grid-template-columns:repeat(2,minmax(0,1fr))}.day-card{padding:14px 13px}.day-number{font-size:21px}.day-number span{font-size:10px}.day-status{font-size:9px}.day-sample{font-size:11px;margin:9px 0 13px}.day-bottom .text-button{font-size:10px}.day-bottom small{font-size:9px}.toolbar{gap:13px}.search-box{max-width:none;flex-basis:100%}.tabs{gap:2px}.tab{font-size:11px;padding:7px 11px}.word-table td{padding:13px 10px}.word-table th{padding:11px 10px}.word-table .table-word{font-size:17px}.table-meaning{min-width:130px}.word-table .icon-button{width:26px}.review-intro{padding:20px;flex-direction:column;align-items:start}.review-intro .button-row{width:100%;justify-content:space-between}.review-intro .primary{font-size:12px}.focus-heading{gap:10px;margin-bottom:18px}.focus-heading h1{font-size:15px}.focus-heading p{font-size:10px;margin-top:3px}.focus-heading>.icon-button{display:none}.focus-heading .text-button{font-size:10px}.session-progress{margin-bottom:20px}.question-top{padding:14px 17px}.prompt-area{min-height:208px;padding:32px 15px 24px}.prompt-word{font-size:48px}.prompt-chinese{font-size:20px}.answer-form{padding:0 17px 21px}.answer-input-row{gap:7px}.answer-input-row input{padding:12px;font-size:14px;min-width:0}.answer-input-row .primary{font-size:12px;padding:11px 13px}.input-help{font-size:9px}.feedback{padding:18px 17px}.feedback-meaning{font-size:13px}.feedback-example{font-size:14px}.feedback-actions .primary{font-size:12px}.summary-panel{margin:20px auto;padding:28px 20px}.summary-panel h1{font-size:22px}.summary-stats strong{font-size:24px}.settings-panel{padding:22px 20px}.setting-row{gap:13px}.setting-copy p{font-size:10px}.setting-row input,.setting-row select{width:135px}.setting-copy label{font-size:12px}.activity-panel{padding:20px 15px}.activity-chart{gap:6px}.activity-date{font-size:8px}.memory-distribution{padding:20px}.toast{left:50%;bottom:80px;font-size:11px}.dialog-header{padding:18px 20px}.dialog-body{padding:20px}.dialog-header h2{font-size:16px}.date-badge svg{display:none}.count-note{font-size:10px}}
.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}.welcome-copy p{max-width:335px;text-wrap:pretty}.metric-foot,.book-foot,.routine-step p,.study-note,.home-footer{font-size:11px}.eyebrow{font-size:10px}.save-state{font-size:12px}.preview-word .meaning{font-size:12px}.input-help,.input-help button{font-size:11px}.aside-rule{font-size:11px}.countdown-panel p{margin-top:5px}
@media(max-width:620px){.page-heading .date-badge{display:none}.welcome-copy p{max-width:230px}.metric-foot,.book-foot,.routine-step p,.study-note,.home-footer{font-size:10px}.save-state{font-size:10px}.prompt-area{min-height:200px}}
.cloud-indicator{font-size:11px;color:var(--green);border:1px solid #dce5d2;border-radius:7px;padding:5px 9px;background:#f0f5e9}.cloud-indicator.offline,.cloud-indicator.conflict{color:#966f39;border-color:#e8d8b8;background:#faf3e7}.cloud-indicator[hidden],.cloud-banner[hidden]{display:none}.cloud-banner{display:flex;justify-content:space-between;align-items:center;gap:15px;padding:10px 18px;border:1px solid #dce5d2;background:#eff4e8;border-radius:10px;margin-bottom:23px;font-size:12px;color:#668055}.cloud-password-label{display:block;font-size:12px;margin:17px 0 8px}.cloud-login-row{display:flex;gap:10px}.cloud-login-row input{flex:1}.cloud-summary{display:flex;align-items:center;gap:15px;flex-wrap:wrap;margin-top:15px;color:#859477}.cloud-pill{padding:4px 10px;border-radius:6px;background:#eaf1e1;color:#5f7e48;font-size:11px}.cloud-pill.conflict,.cloud-pill.offline{color:#966f39;background:#faf0de}.cloud-compare{display:grid;grid-template-columns:1fr 1fr;gap:15px;margin:20px 0}.cloud-compare>div{border:1px solid var(--line);border-radius:10px;padding:16px;font-size:12px;background:#f3f6ee}.cloud-compare p{margin-top:8px;color:var(--muted)}
@media(max-width:620px){.topbar-tools{gap:6px}.topbar-tools .save-state{font-size:9px}.cloud-indicator{font-size:10px;padding:4px 6px}.cloud-banner{font-size:11px;padding:10px 12px;gap:10px}.cloud-banner .text-button{font-size:10px;flex-shrink:0}.cloud-login-row{flex-direction:column}.cloud-compare{gap:10px}.cloud-compare>div{padding:12px}}
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