@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Noto+Sans+SC:wght@400;500;600;700&display=swap');
:root{--ink:#28283b;--muted:#77788a;--purple:#5552a2;--pale:#eeedf9;--bg:#f8f8fb;--line:#e8e8f0;--green:#2e7664;--gold:#b47a36;--radius:18px}*{box-sizing:border-box}body{margin:0;color:var(--ink);background:var(--bg);font:14px/1.75 'DM Sans','Noto Sans SC',sans-serif}button,input,textarea,select{font:inherit}button,a,select{touch-action:manipulation}button{cursor:pointer}button,a{transition:background .18s,transform .18s}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid #b1a6e8;outline-offset:3px}a{color:var(--purple)}button{border:1px solid var(--line);background:white;color:var(--ink);border-radius:10px;padding:9px 15px}button:hover{background:#f0eff8}button:disabled{opacity:.45;cursor:default}button.primary{background:var(--purple);border-color:var(--purple);color:white}button.primary:hover{background:#444080}button.soft{background:var(--pale);color:var(--purple);border-color:transparent}button.small{padding:5px 10px;font-size:12px}.shell{display:grid;grid-template-columns:238px minmax(0,1fr);min-height:100vh}.sidebar{position:sticky;top:0;height:100vh;background:white;border-right:1px solid var(--line);padding:33px 23px;display:flex;flex-direction:column}.brand{display:flex;align-items:center;gap:11px;font-weight:700;line-height:1.45;font-size:16px}.brand-icon{display:grid;place-items:center;width:39px;height:42px;border-radius:12px;background:var(--purple);color:white;font-size:23px}.brand small{font:10px 'DM Sans',sans-serif;letter-spacing:2px;color:var(--muted);display:block;margin-top:4px}.nav-label{font-size:10px;letter-spacing:2px;color:#9696a6;margin:36px 10px 12px}.nav{display:flex;flex-direction:column;gap:7px}.nav button{text-align:left;border:0;display:flex;gap:12px;align-items:center;padding:12px;font-weight:500;background:transparent}.nav button.active{background:var(--pale);color:var(--purple)}.nav .num{font:12px 'DM Sans';height:25px;width:25px;display:grid;place-items:center;border:1px solid var(--line);border-radius:8px}.nav button.active .num{background:var(--purple);color:white;border-color:transparent}.sidebar-foot{margin-top:auto;padding:22px 10px 0;font-size:11px;color:var(--muted)}.tiny-flower{color:#aea4d5;font-size:30px}.main{min-width:0;padding:26px 44px 50px;max-width:1490px;width:100%;margin:auto}.topbar{display:flex;justify-content:space-between;align-items:center;padding-bottom:22px;gap:15px}.crumb{color:var(--muted);font-size:12px}.top-actions,.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.saved{font-size:11px;color:var(--green)}.saved::before{content:'●';font-size:7px;margin-right:6px}.eyebrow{font-size:11px;letter-spacing:2px;font-weight:600;color:var(--purple)}h1{font-size:34px;line-height:1.4;letter-spacing:-1px;margin:12px 0}h2{font-size:20px;margin:0 0 10px;line-height:1.5}h3{font-size:15px;margin:0 0 6px}p{margin:6px 0 14px}.muted{color:var(--muted)}.hero{background:#eeedf8;border:1px solid #e7e4f3;border-radius:22px;padding:33px 37px;display:flex;justify-content:space-between;gap:28px;overflow:hidden}.hero-text{max-width:620px}.hero p{color:#67657e;max-width:510px}.hero .row{margin-top:22px}.hero-art{min-width:215px;display:grid;place-items:center;position:relative}.art-circle{background:#e0dbf0;width:185px;height:185px;border-radius:50%;display:grid;place-items:center}.book{width:120px;height:95px;background:white;border-radius:6px 18px 13px 4px;transform:rotate(-10deg);box-shadow:6px 7px 0 #c6bbdf;position:relative;border-left:9px solid #a491ca;padding:19px 12px;font-size:29px;color:#aaa0ce}.book::after{content:'';display:block;width:70px;height:3px;background:#d8d2e7;box-shadow:0 9px #d8d2e7,0 18px #d8d2e7;position:absolute;left:12px;bottom:29px}.spark{position:absolute;font-size:34px;color:#b3a0d0;top:8px;right:8px}.art-leaf{position:absolute;color:#94ad9a;font-size:40px;bottom:10px;left:3px}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:23px 0 31px}.stat{border:1px solid var(--line);background:white;border-radius:14px;padding:18px 23px;display:flex;align-items:center;gap:15px}.stat-icon{height:41px;width:41px;border-radius:12px;display:grid;place-items:center;font-size:20px;background:#f3effa;color:#9b87b4}.stat:nth-child(2) .stat-icon{background:#edf4f0;color:#6d9985}.stat:nth-child(3) .stat-icon{background:#fbf2e8;color:#b88f57}.stat strong{font-size:19px;display:block;line-height:1.4}.stat small{color:var(--muted);font-size:11px}.section-head{display:flex;justify-content:space-between;align-items:center;gap:12px;margin:27px 0 14px}.section-head h2{margin:0}.tag{border-radius:6px;padding:3px 8px;font-size:10px;background:var(--pale);color:var(--purple);display:inline-block}.tag.green{background:#eaf3ee;color:var(--green)}.tag.gold{background:#fbf0dd;color:#936c36}.day-list{display:grid;gap:12px}.day-card{display:flex;align-items:center;gap:20px;text-align:left;border:1px solid var(--line);background:white;border-radius:14px;padding:19px 23px;width:100%}.day-card:hover{transform:translateY(-2px);background:white;border-color:#c6bee3}.day-badge{width:49px;height:52px;background:#f1eff9;border-radius:13px;display:flex;flex-direction:column;align-items:center;justify-content:center;flex-shrink:0;font-size:10px;color:var(--purple);line-height:1.3}.day-badge strong{font-size:23px;font-weight:600}.day-card:nth-child(2) .day-badge{background:#edf3ee;color:#668a75}.day-card:nth-child(3) .day-badge{background:#fcf2e5;color:#aa8155}.day-card:nth-child(4) .day-badge{background:#eaf1f8;color:#6b8aa8}.day-card:nth-child(5) .day-badge{background:#f7edf1;color:#aa7e94}.day-info{flex:1}.day-info h3{font-size:15px}.day-info p{margin:0;color:var(--muted);font-size:12px}.day-meta{text-align:right;font-size:11px;color:var(--muted)}.chevron{font-size:24px;color:#aaa6bb;margin-left:8px}.two-col{display:grid;grid-template-columns:1.5fr 1fr;gap:20px}.card{background:white;border:1px solid var(--line);border-radius:var(--radius);padding:25px;margin-bottom:18px}.note{background:#f1f4f1;border:1px solid #e4ece4;color:#597160;border-radius:12px;padding:14px 17px;font-size:12px}.note.purple{background:#f2f0f9;border-color:#e6e1f2;color:#70638b}.note.gold{background:#fff7e9;border-color:#f1e5cc;color:#8b724f}.steps{list-style:none;padding:0;counter-reset:step;margin:18px 0}.steps li{counter-increment:step;display:flex;gap:13px;margin:13px 0;line-height:1.8}.steps li::before{content:counter(step);border:1px solid #ded9ed;border-radius:50%;width:24px;height:24px;flex-shrink:0;display:grid;place-items:center;font:11px 'DM Sans';color:var(--purple);margin-top:2px}.tabs{display:flex;gap:8px;flex-wrap:wrap;margin:24px 0}.tabs button.active{background:var(--purple);color:white;border-color:transparent}.block-head{display:flex;justify-content:space-between;gap:18px;align-items:start}.block-head p{font-size:12px;color:var(--muted);margin-bottom:8px}.taught-label{font-size:11px;color:var(--muted);display:block}.taught-label select{display:block;border:1px solid var(--line);border-radius:7px;background:#fafafd;padding:5px 8px;color:var(--ink);min-width:128px}.script{background:#f8f7fc;border-left:3px solid #c1b8df;padding:11px 14px;font-size:12px;margin:15px 0}.item-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:10px;margin-top:17px}.item{border:1px solid var(--line);border-radius:11px;padding:13px 12px;background:#fff}.word{font-size:25px;letter-spacing:.3px;font-family:'DM Sans',sans-serif;font-weight:500;line-height:1.4}.sound{font-size:13px;color:var(--muted);margin-top:4px}.item select{font-size:11px;width:100%;margin-top:9px;border:1px solid var(--line);border-radius:6px;padding:5px;background:#f9f9fc}.item input{font-size:11px;width:100%;margin-top:8px;border:1px solid var(--line);border-radius:6px;padding:6px;background:#fff}.item.is-c{border-color:#b4d5c6;background:#f5faf7}.item.is-s{border-color:#c7c6e4;background:#f8f7fc}.item.is-p,.item.is-e{border-color:#e5d2b1;background:#fffbf4}.key-label{font-size:10px;color:#9985b2}.field{display:block;font-size:12px;color:var(--muted);margin:13px 0}.field input,.field textarea,.field select{display:block;width:100%;margin-top:6px;border:1px solid var(--line);border-radius:8px;background:#fcfcfe;padding:10px;color:var(--ink)}textarea{resize:vertical;min-height:70px}.checkbox{font-size:12px;display:flex;gap:8px;align-items:flex-start;margin:12px 0}.checkbox input{margin-top:6px;accent-color:var(--purple)}details{border-top:1px solid var(--line);padding-top:12px;margin-top:15px}summary{cursor:pointer;font-size:12px;color:var(--purple)}.day-foot{display:flex;justify-content:space-between;align-items:center;margin:26px 0}.story-text{font:24px/2.1 'DM Sans',sans-serif;max-width:780px;white-space:pre-wrap}.story-title{font:600 28px 'DM Sans',sans-serif;margin:15px 0}.story-options{display:flex;gap:10px;flex-wrap:wrap}.story-options button.active{background:var(--pale);border-color:#bab2d8;color:var(--purple)}.metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:13px}.summary-card{border-left:4px solid #c7bfdf}.summary-card.weak{border-left-color:#d4b07e}.summary-card.strong{border-left-color:#8ab4a0}.summary-card h3{font-size:16px}.metric{font-size:24px;font-family:'DM Sans';color:var(--purple)}.legend{display:flex;gap:8px;flex-wrap:wrap;font-size:11px;color:var(--muted);margin:14px 0}.legend span{background:#f2f1f7;padding:4px 8px;border-radius:5px}.empty{border:1px dashed #d5d0e3;border-radius:14px;padding:30px;text-align:center;color:var(--muted);background:#fcfbfe}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse;font-size:12px}th,td{text-align:left;padding:12px 10px;border-bottom:1px solid var(--line);vertical-align:top}th{background:#f8f7fb;color:var(--muted);font-weight:500;white-space:nowrap}.footer{margin-top:35px;border-top:1px solid var(--line);padding-top:18px;display:flex;justify-content:space-between;gap:20px;color:var(--muted);font-size:10px}.source-list li{margin-bottom:11px}.flash-overlay{position:fixed;inset:0;z-index:30;background:#f7f5fc;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:30px}.flash-top{position:absolute;top:22px;left:30px;right:30px;display:flex;justify-content:space-between;color:var(--muted);font-size:12px}.flash-word{font:500 clamp(65px,12vw,155px)/1.4 'DM Sans',sans-serif;text-align:center;color:#35314e}.flash-story{max-width:850px;font:clamp(24px,3.2vw,37px)/2 'DM Sans',sans-serif;overflow-y:auto;max-height:70vh;padding:20px}.flash-controls{position:absolute;bottom:26px;display:flex;gap:12px}.flash-hint{font-size:12px;color:var(--muted);margin-top:25px}#toast{position:fixed;bottom:23px;left:50%;transform:translateX(-50%);background:#36324b;color:white;padding:10px 20px;border-radius:10px;z-index:100;display:none;font-size:12px}#print-area{display:none}.link-btn{border:0;background:none;padding:0;color:var(--purple);text-decoration:underline}input[type=date]{max-width:200px}.progress-line{height:5px;background:#ece9f4;border-radius:4px;margin-top:9px;overflow:hidden}.progress-line i{display:block;height:100%;background:#aaa0cb}.bottom-card{margin-top:23px}.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}
@media(min-width:1450px){.main{padding-left:65px;padding-right:65px}}@media(max-width:1050px){.shell{grid-template-columns:195px minmax(0,1fr)}.sidebar{padding:28px 15px}.main{padding:24px}.hero{padding:28px}.hero-art{min-width:140px}.art-circle{width:140px;height:140px}.two-col{grid-template-columns:1fr}.stat{padding:14px}.topbar .saved{display:none}}@media(max-width:720px){.shell{display:block}.sidebar{position:relative;height:auto;border-right:0;border-bottom:1px solid var(--line);padding:16px}.brand{font-size:14px}.brand-icon{width:33px;height:35px}.brand small{font-size:8px}.nav-label,.sidebar-foot{display:none}.nav{margin-top:15px;flex-direction:row;overflow-x:auto;gap:4px;padding-bottom:3px}.nav button{flex-shrink:0;padding:8px;font-size:11px;gap:5px}.nav .num{width:20px;height:21px;font-size:10px}.main{padding:18px 16px 35px}.topbar{padding-bottom:17px}.crumb{font-size:10px}.top-actions{gap:5px}.top-actions button{font-size:10px;padding:6px 8px}.hero{padding:25px}.hero-art{display:none}h1{font-size:28px}.hero p{font-size:12px}.stats{gap:8px;margin:16px 0 25px}.stat{padding:12px;gap:7px}.stat-icon{display:none}.stat strong{font-size:17px}.stat small{font-size:10px}.day-card{padding:15px;gap:12px}.day-meta{display:none}.card{padding:19px}.block-head{flex-wrap:wrap;gap:7px}.taught-label select{display:inline-block;margin-left:6px}.item-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.metrics{grid-template-columns:1fr}.story-text{font-size:22px}.footer{flex-direction:column;gap:3px}.flash-controls button{padding:9px}.flash-top{left:16px;right:16px}.section-head{align-items:start}.section-head h2{font-size:18px}.row .field{flex:1;min-width:100px}}
@media print{@page{margin:17mm}body{background:white;font:11pt/1.6 sans-serif;color:#111}#app,#toast,.flash-overlay{display:none!important}#print-area{display:block!important}.print-page{break-before:page}.print-page:first-child{break-before:auto}h1{font-size:24pt}h2{font-size:17pt;margin-top:16px}h3{font-size:13pt}table{font-size:9pt}tr{break-inside:avoid}th,td{border:1px solid #ccc;padding:7px}.print-words{font:22pt/2 sans-serif;word-spacing:15px}.print-story{font:19pt/1.9 sans-serif}.blank-lines{height:85px;border-bottom:1px solid #bbb;background:repeating-linear-gradient(white,white 27px,#ddd 28px,white 29px)}.print-key{background:#f5f5f5;padding:12px}.print-note{font-size:9pt;color:#444}a{color:#111;text-decoration:none}}

.zh-meaning{font:12px/1.7 'Noto Sans SC',sans-serif;color:#7d728d;margin-top:5px}.audio-mini{margin-top:9px;color:var(--purple)}.support-info{font-size:11px;line-height:1.7;color:#806a48;display:block;margin:8px 0}.audio-state{font-size:11px;color:var(--muted);min-height:24px;margin:12px 0}.audio-buttons{justify-content:center}.audio-flash{padding-top:85px;padding-bottom:90px;overflow-y:auto}.audio-card-body{width:min(720px,100%);max-height:calc(100dvh - 185px);overflow-y:auto;text-align:center;padding:15px}.audio-flash .flash-word{font-size:clamp(52px,8vw,105px)}.audio-flash .flash-top{position:fixed;background:#f7f5fc;padding-bottom:9px}.audio-flash .flash-controls{position:fixed;bottom:0;left:0;right:0;justify-content:center;background:#f7f5fc;padding:17px;border-top:1px solid #e9e3f2}.attempt-record{background:#ffffffbd;border:1px solid var(--line);border-radius:13px;padding:13px;margin:19px 0}.attempt-record .row{justify-content:center}.attempt-record .field{text-align:left}.dictation-number{color:#b4a8ce;font:600 54px 'DM Sans';margin-bottom:14px}.flash-meaning{background:#ebe7f3;color:#695384;border-radius:12px;padding:14px;margin:14px auto;font-size:19px}.revealed-answer{font:500 32px 'DM Sans';padding:12px;color:#6b557c}.audio-flash .flash-hint{margin-top:10px}@media(max-width:550px){.audio-card-body{padding:3px;max-height:calc(100dvh - 160px)}.audio-flash{padding:65px 14px 90px}.audio-flash .flash-top{top:12px;left:14px;right:14px;gap:10px}.audio-flash .flash-top span{font-size:10px}.audio-buttons{gap:7px}.audio-buttons button{font-size:12px;padding:9px}.attempt-record{padding:10px}.attempt-record .row{gap:7px}.attempt-record .row button{font-size:11px;padding:7px}.audio-flash .flash-word{font-size:64px}.flash-meaning{font-size:16px}}
.account-dialog{width:min(620px,calc(100% - 28px));border:1px solid var(--line);border-radius:18px;padding:26px;color:var(--ink);max-height:85dvh;overflow-y:auto}.account-dialog::backdrop{background:#28283b66}.dialog-close{float:right;font-size:20px}.sync-conflict{border-top:1px solid var(--line);padding:12px 0}.sync-conflict button{margin:5px}.top-actions{justify-content:flex-end}#cloud-status{max-width:260px;white-space:normal;text-align:left}.language-toggle{white-space:nowrap}button,input,select{min-height:36px}img,audio{max-width:100%}#toast{max-width:calc(100vw - 28px)}@media(max-width:720px){.topbar{align-items:flex-start;flex-wrap:wrap}.top-actions{width:100%;justify-content:flex-start}.top-actions button{min-height:40px;font-size:12px}.stats{grid-template-columns:1fr}.stat{display:block}.stat small{font-size:12px}.nav button{min-height:44px}.flash-top{gap:12px}.flash-top button{flex-shrink:0}.flash-story{max-height:calc(100dvh - 160px)}input,textarea,select{font-size:16px!important}.item select{min-height:44px}.day-foot{gap:10px}h1{overflow-wrap:anywhere}}
.child-picker{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--muted)}.child-picker select{border:1px solid var(--line);border-radius:8px;max-width:170px;background:white;color:var(--ink);padding:6px}.child-context{margin:0 0 20px}.profile-list{display:flex;gap:8px;flex-wrap:wrap;margin:16px 0}.member-row{padding:13px 0;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;gap:12px;align-items:center;overflow-wrap:anywhere}.member-row small{display:block;color:var(--muted);font-size:11px}.member-row button{font-size:12px}.profiles-dialog h3{margin-top:22px}.profiles-dialog input,.profiles-dialog textarea{overflow-wrap:anywhere}.profiles-dialog textarea[readonly]{min-height:90px}.main :disabled{cursor:default;opacity:.65}@media(max-width:720px){.child-picker{width:100%}.child-picker select{max-width:none;flex:1;min-height:44px}.member-row{display:block}.member-row .row{margin-top:8px}.profiles-dialog{padding:20px}.top-actions #cloud-status{max-width:100%}}