:root{--paper:#faf8f2;--white:#fffefa;--ink:#263a32;--muted:#839088;--green:#426953;--light:#eaf0df;--line:#e4e8dd;--orange:#c58b52;--rose:#bd6c5d;--shadow:0 12px 35px #2d453008}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:15px/1.65 -apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif}button,input,textarea,select{font:inherit}button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}button{cursor:pointer;transition:background .2s,transform .2s}button:disabled{opacity:.55;cursor:wait}button:focus-visible,a:focus-visible{outline:3px solid #b8cba7;outline-offset:4px}a{color:var(--green);text-decoration:none}button{border:0}h1,h2,h3,p{margin-top:0}h1{font-size:32px;letter-spacing:-1px;line-height:1.35;font-weight:600}h2{font-size:21px;font-weight:600}h3{font-size:17px;font-weight:600}.muted{color:var(--muted)}.small{font-size:12px}.eyebrow{font-size:11px;letter-spacing:3px;color:var(--green);text-transform:uppercase;margin-bottom:13px}.brand{display:flex;align-items:center;gap:12px;font-size:24px;font-weight:650;letter-spacing:2px}.brand-mark{background:var(--green);width:38px;height:38px;border-radius:13px 13px 13px 3px;display:grid;place-items:center;color:#fff;font-size:25px;transform:rotate(-6deg)}.brand-sub{font-size:10px;letter-spacing:2px;color:var(--muted);font-weight:400}.sidebar{position:fixed;inset:0 auto 0 0;width:232px;padding:38px 25px 24px;background:var(--white);border-right:1px solid var(--line);display:flex;flex-direction:column;z-index:10}.sidebar .brand{margin:0 7px 48px}.nav{display:flex;flex-direction:column;gap:9px}.nav button{background:transparent;color:#77847b;text-align:left;border-radius:12px;padding:13px 17px}.nav button.active{background:var(--light);color:var(--green);font-weight:600}.nav .icon{display:inline-block;width:31px;font-size:19px}.sidebar-foot{margin-top:auto;padding:22px 8px 0;border-top:1px solid var(--line)}.avatar{width:40px;height:40px;border-radius:50%;display:grid;place-items:center;background:#ebe6d8;color:#746752;font-weight:650;flex-shrink:0}.userline{display:flex;align-items:center;gap:10px}.shell{margin-left:232px;max-width:1600px;padding:30px 48px 65px}.topbar{display:flex;align-items:center;justify-content:space-between;padding-bottom:29px;color:var(--muted);font-size:12px}.tag{display:inline-flex;border:1px solid var(--line);padding:5px 12px;border-radius:30px;background:var(--white);font-size:12px;color:var(--green)}.heading{display:flex;justify-content:space-between;align-items:center;gap:15px;margin:18px 0 28px}.heading p{margin:10px 0 0;color:var(--muted)}.btn{background:var(--green);color:#fff;padding:12px 23px;border-radius:11px;display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:550;white-space:nowrap}.btn:hover{background:#34553f;transform:translateY(-1px)}.btn.secondary{background:var(--white);border:1px solid var(--line);color:var(--green)}.btn.soft{background:var(--light);color:var(--green)}.btn.danger{background:#f6e8e3;color:var(--rose)}.btn.small{padding:8px 13px;font-size:12px}.textbtn{color:var(--green);background:none;padding:4px 0;font-size:13px}.hero{background:#edf0e4;border:1px solid #e1e7d6;border-radius:21px;padding:30px 35px;display:flex;align-items:center;justify-content:space-between;position:relative;overflow:hidden;gap:20px}.hero h2{font-size:27px;line-height:1.5;margin-bottom:10px}.hero p{color:#79866e;margin-bottom:0}.plant-art{width:240px;height:165px;flex-shrink:0}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin:25px 0}.stat{padding:21px 23px;background:var(--white);border:1px solid var(--line);border-radius:16px}.stat label{font-size:12px;color:var(--muted)}.stat strong{display:block;font-size:31px;font-weight:550;margin:8px 0 3px;line-height:1.3}.stat small{font-size:11px;color:var(--muted)}.stat em{font-size:14px;font-style:normal;margin-left:5px;color:var(--muted)}.grid2{display:grid;grid-template-columns:minmax(0,1.65fr) minmax(280px,1fr);gap:24px}.panel{border:1px solid var(--line);background:var(--white);border-radius:18px;padding:25px;box-shadow:var(--shadow);margin-bottom:22px}.panel-head{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:20px}.panel-head h2,.panel-head h3{margin:0}.child-card{border:1px solid var(--line);border-radius:15px;padding:21px;margin-bottom:15px}.child-card:last-child{margin-bottom:0}.child-top{display:flex;align-items:center;justify-content:space-between;gap:10px}.child-name{display:flex;align-items:center;gap:12px}.child-name .avatar{width:46px;height:46px;background:#efeedf}.progress{height:7px;background:#eef0e7;border-radius:9px;overflow:hidden;margin:14px 0}.progress span{display:block;height:100%;background:#88a678;border-radius:9px}.row{display:flex;align-items:center;justify-content:space-between;gap:12px}.metrics{display:flex;gap:28px;font-size:12px;color:var(--muted);margin-top:18px}.metrics b{display:block;color:var(--ink);font-size:18px;font-weight:500}.notice{padding:14px 16px;border-radius:12px;background:#f5f1e6;margin-bottom:12px;color:#8c794f;font-size:13px;border:1px solid #eae2cc}.notice.green{background:#eef2e9;border-color:#e1e8d7;color:#637b55}.notice.rose{background:#f8ece7;border-color:#eed9d0;color:#ac6856}.notice:last-child{margin-bottom:0}.notice strong{display:block;font-weight:600;margin-bottom:3px}.footnote{font-size:12px;color:var(--muted);margin:20px 0}.empty{text-align:center;padding:35px 15px;color:var(--muted)}.empty .empty-icon{font-size:35px;color:#a2b295;margin-bottom:13px}.empty h3{color:var(--ink);margin-bottom:8px}.deck-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.deck{padding:25px;background:var(--white);border:1px solid var(--line);border-radius:17px}.deck-icon{width:44px;height:50px;border-radius:4px 10px 10px 4px;background:#e6ecd9;border-left:4px solid #a5b28e;margin-bottom:20px;display:grid;place-items:center;color:var(--green)}input,textarea,select{width:100%;padding:12px 14px;border:1px solid #dce2d6;border-radius:10px;background:#fffefb;color:var(--ink);outline:none}input:focus,textarea:focus,select:focus{border-color:#91a686;box-shadow:0 0 0 3px #91a68619}textarea{resize:vertical;min-height:120px}label.field{display:block;margin-bottom:18px;font-size:13px;color:#6c786f}label.field input,label.field select,label.field textarea{margin-top:7px}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}.checks{display:flex;gap:12px;flex-wrap:wrap}.check{display:flex;align-items:center;gap:8px;padding:9px 13px;border:1px solid var(--line);border-radius:9px;cursor:pointer}.check input{width:auto;accent-color:var(--green)}.tabs{display:flex;background:#f0f1e9;padding:5px;border-radius:11px;margin-bottom:23px;gap:5px}.tabs button{flex:1;padding:10px;background:none;border-radius:8px;color:#829079}.tabs button.active{background:var(--white);color:var(--green);box-shadow:0 2px 7px #00000008}.dropzone{border:1.5px dashed #b7c4a8;border-radius:14px;background:#f7f8f0;min-height:180px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:25px;cursor:pointer}.dropzone input{width:100%;max-width:310px;font-size:12px;margin-top:12px;background:transparent;border:0}.upload-preview{max-height:220px;max-width:100%;border-radius:10px;display:block;margin:15px auto}.preview-card{padding:20px;border:1px solid var(--line);border-radius:13px;margin-bottom:15px}.sense-edit{display:grid;grid-template-columns:75px 1fr 30px;gap:8px;margin-bottom:8px}.source{font-size:10px;border-radius:6px;background:#eff1e7;color:#81906e;padding:3px 7px}.dictionary-card{padding:20px 0;border-bottom:1px solid var(--line)}.dictionary-card:last-child{border:0}.word{font-family:Georgia,"Times New Roman",serif;font-size:25px;font-weight:500;letter-spacing:.1px}.phonetic{font-family:"Arial",sans-serif;color:#94a089;font-size:14px;margin-left:12px}.senses{padding:0;margin:10px 0;list-style:none}.senses li{margin:6px 0}.pos{font-size:12px;color:#9a967d;margin-right:8px}.login-page{min-height:100vh;display:grid;grid-template-columns:1fr 1fr}.login-scene{background:#eaf0df;padding:50px 65px;display:flex;flex-direction:column;justify-content:space-between;min-height:100vh}.login-copy h1{font-family:Georgia,"Songti SC",serif;font-size:49px;line-height:1.5;font-weight:500;letter-spacing:3px}.login-copy p{color:#7e8b70;line-height:2}.login-art{width:100%;max-width:430px;height:250px;align-self:center}.login-form{display:flex;align-items:center;justify-content:center;padding:45px}.login-box{width:100%;max-width:365px}.login-box h2{font-size:28px}.login-box .btn{width:100%}.login-bottom{text-align:center;color:var(--muted);font-size:12px;margin-top:25px}.loading{padding:80px;text-align:center;color:var(--green)}#toast{position:fixed;bottom:28px;left:50%;transform:translateX(-50%);background:var(--ink);color:white;padding:12px 22px;border-radius:10px;z-index:100;max-width:90%;display:none;box-shadow:0 8px 30px #0002}.modal-backdrop{position:fixed;inset:0;background:#25342966;backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;padding:25px;z-index:50}.modal-box{background:var(--paper);border-radius:20px;padding:28px;width:520px;max-width:100%;max-height:88vh;overflow:auto}.modal-box.wide{width:790px}.close{font-size:23px;color:var(--muted);background:none}.error{background:#f7e8e3;color:#a8594d;padding:10px 14px;border-radius:9px;font-size:13px;margin-bottom:16px}.practice-wrap{max-width:820px;margin:25px auto}.practice-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.practice-card{background:var(--white);border:1px solid var(--line);border-radius:24px;padding:40px;text-align:center;box-shadow:var(--shadow)}.practice-word{font-family:Georgia,serif;font-size:62px;font-weight:400;line-height:1.3;margin:28px 0 8px}.practice-card .senses{font-size:20px;line-height:1.8;margin:28px auto;max-width:550px}.speak{background:#edf1e3;color:var(--green);width:42px;height:42px;border-radius:50%;font-size:18px;vertical-align:middle;margin-left:10px}.question-prompt{font-size:24px;margin:30px 0;line-height:1.7}.question-prompt.english{font-family:Georgia,serif;font-size:45px}.options{display:grid;grid-template-columns:1fr 1fr;gap:12px;text-align:left}.option{display:flex;align-items:center;gap:12px;min-height:68px;padding:17px 18px;border:1px solid var(--line);border-radius:12px;background:#fffefa;color:var(--ink);text-align:left;font-size:14px;line-height:1.6}.option:hover{background:#edf1e5;border-color:#95ad87}.option i{font-style:normal;font-size:11px;flex-shrink:0;background:#f1f2ea;border-radius:6px;width:26px;height:26px;display:grid;place-items:center;color:#8e9d82}.spelling{max-width:450px;margin:25px auto;display:flex;gap:12px}.spelling input{text-align:center;font-size:24px;letter-spacing:3px}.feedback{text-align:left;padding:22px;background:#edf2e5;border-radius:14px;margin-top:25px}.feedback.wrong{background:#f7eee6}.feedback .btn{margin-top:15px}.step-pills{display:flex;justify-content:center;gap:10px;margin:16px 0}.step-pills span{font-size:11px;padding:5px 12px;border-radius:20px;background:#f0f1e9;color:#9aa38f}.step-pills .on{background:#dfe9d3;color:#607951}.word-chips{display:flex;flex-wrap:wrap;gap:10px}.word-chip{background:#f6f6ef;border:1px solid var(--line);padding:11px 14px;border-radius:10px;font-family:Georgia,serif;font-size:17px}.word-chip small{font-family:system-ui;font-size:10px;color:var(--muted);margin-left:10px}.word-chip.done{background:#eaf0df}.word-chip.focus{background:#f6ebe2}.chart{display:flex;height:140px;gap:15px;align-items:flex-end;padding:10px 0 0}.bar-item{flex:1;text-align:center;font-size:10px;color:var(--muted)}.bar-item .bar{background:#b3c5a2;min-height:3px;border-radius:5px 5px 0 0;margin:5px auto;width:70%}.table-wrap{overflow:auto}table{border-collapse:collapse;width:100%;font-size:13px}th,td{text-align:left;padding:13px 10px;border-bottom:1px solid var(--line)}th{font-size:11px;color:var(--muted);font-weight:400}.intro-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:25px}.intro-steps div{padding:19px;border-left:1px solid var(--line);color:var(--muted);font-size:12px}.intro-steps b{display:block;color:var(--green);font-weight:500;font-size:15px;margin-bottom:6px}.hidden{display:none!important}.spinner{width:16px;height:16px;border:2px solid #ffffff66;border-top-color:currentColor;border-radius:50%;animation:spin 1s linear infinite;display:inline-block}@keyframes spin{to{transform:rotate(360deg)}}@media(max-width:1100px){.shell{padding:25px}.sidebar{width:200px;padding:30px 16px}.shell{margin-left:200px}.grid2{grid-template-columns:1fr}.deck-grid{grid-template-columns:repeat(2,1fr)}.stats{gap:10px}.stat{padding:17px}.login-scene{padding:40px}.login-copy h1{font-size:38px}}@media(max-width:720px){.sidebar{position:relative;width:100%;padding:15px 20px;flex-direction:row;align-items:center;justify-content:space-between;border-right:0;border-bottom:1px solid var(--line)}.sidebar .brand{margin:0;font-size:20px}.brand-sub,.sidebar-foot,.nav .icon{display:none}.nav{flex-direction:row;gap:3px}.nav button{padding:8px;font-size:12px}.shell{margin-left:0;padding:20px 17px 45px}.topbar{padding-bottom:10px}.heading{margin:20px 0;align-items:flex-start}h1{font-size:25px}.heading p{font-size:12px}.heading .btn{padding:10px 13px;font-size:12px}.hero{padding:25px}.hero h2{font-size:22px}.hero p{font-size:12px}.plant-art{width:130px;height:130px}.stats{grid-template-columns:repeat(2,1fr);margin:18px 0}.stat strong{font-size:27px}.panel{padding:20px}.deck-grid{grid-template-columns:1fr 1fr;gap:12px}.deck{padding:18px}.metrics{gap:20px}.login-page{display:block}.login-scene{min-height:auto;padding:25px 30px}.login-scene .login-copy,.login-scene .login-art,.login-scene footer{display:none}.login-form{padding:38px 25px}.practice-card{padding:26px 18px}.practice-word{font-size:48px}.question-prompt{font-size:20px}.options{grid-template-columns:1fr}.option{min-height:58px}.intro-steps{gap:10px}.intro-steps div{padding:10px}.form-row{grid-template-columns:1fr;gap:0}.modal-backdrop{padding:12px}.modal-box{padding:23px}.word-chip{font-size:15px}.practice-header{font-size:12px}.child-top .btn{font-size:11px;padding:8px}.row.wrap{flex-wrap:wrap}.hero .plant-art{display:none}}
@media(max-width:720px){.sidebar{flex-direction:column;align-items:flex-start;gap:13px;padding:16px}.nav{width:100%;justify-content:space-between}.nav button{padding:8px 7px;white-space:nowrap}.topbar{font-size:10px}.topbar .tag{display:none}.step-pills{gap:5px;flex-wrap:wrap}.step-pills span{padding:5px 8px}.spelling{flex-direction:column}.practice-wrap{margin-top:12px}.heading{flex-wrap:wrap}.deck-grid{grid-template-columns:1fr}}
/* Voice-first layout. Keep text controls >=16px so iOS never auto-zooms on focus. */
input,textarea,select{font-size:16px!important}.assistant-home{max-width:720px;margin:0 auto}.voice-title{text-align:center;margin:8px 0 18px}.voice-title h1{font-size:28px;margin:8px 0}.voice-title p{color:var(--muted);margin:0;font-size:13px}.voice-summary{max-height:148px;overflow:auto}.voice-child{width:100%;display:flex;align-items:center;justify-content:space-between;gap:14px;background:var(--white);border:1px solid var(--line);padding:12px 17px;border-radius:12px;margin:6px 0;color:var(--ink);font-size:14px}.voice-child strong{font-size:19px}.voice-child small{font-size:12px;color:var(--muted);font-weight:400}.voice-progress{display:flex;justify-content:space-between;padding:14px 17px;background:var(--light);border-radius:13px;font-size:13px}.voice-progress b{color:var(--green);font-size:18px}.voice-center{display:flex;flex-direction:column;align-items:center;padding:12px 0 6px;gap:9px}.voice-heard{font-size:13px;color:var(--muted);min-height:20px;max-height:44px;overflow:auto;text-align:center}.hold-mic{width:122px;height:122px;background:var(--green);color:#fff;border-radius:50%;box-shadow:0 0 0 12px #e9eedf,0 12px 35px #33553622;display:grid;place-items:center;touch-action:none;-webkit-user-select:none;user-select:none;-webkit-touch-callout:none;margin:14px 0 15px}.hold-mic svg{width:48px;height:48px}.hold-mic.recording{background:#bc745e;box-shadow:0 0 0 14px #f0e1d8;animation:mic-pulse 1.2s infinite}.hold-mic:disabled{opacity:.5;cursor:wait}.voice-tip{font-size:11px;color:var(--muted)}#voice-status{font-size:15px;font-weight:550;text-align:center}.voice-response{padding:10px 16px;text-align:center;background:#f0f2e9;border-radius:13px;margin:12px 0;max-height:155px;overflow:auto}.voice-response p{margin:0;font-size:14px;line-height:1.7;white-space:pre-wrap}.voice-shortcuts{display:flex;gap:8px;justify-content:center}.voice-shortcuts button{padding:10px 14px;background:var(--white);border:1px solid var(--line);border-radius:10px;color:var(--green);font-size:13px}.agent-text-form{display:flex;gap:8px;margin-top:12px}.agent-text-form input{min-width:0}.voice-bottom{display:flex;justify-content:space-between;margin-top:17px}.voice-privacy{font-size:10px;text-align:center;color:var(--muted);margin:12px 0 0}.voice-dock{position:fixed;bottom:24px;right:22px;width:56px;height:56px;border-radius:50%;background:var(--green);color:white;box-shadow:0 5px 20px #0002;z-index:20;display:grid;place-items:center}.voice-dock svg{width:27px;height:27px}.camera-launch{width:100%;padding:25px}.voice-home .footnote{display:none}.voice-home .topbar{padding-bottom:12px}.voice-home .shell{padding-top:20px;padding-bottom:20px}@keyframes mic-pulse{50%{box-shadow:0 0 0 20px #f0e1d877}}@media(prefers-reduced-motion:reduce){.hold-mic.recording{animation:none}}
@media(max-width:720px){.voice-home .sidebar{padding:11px 16px;gap:6px;flex-direction:row;align-items:center}.voice-home .nav{width:auto}.voice-home .nav button{display:none}.voice-home .nav button:last-child{display:block}.voice-home .shell{padding:12px 17px 18px}.voice-home .topbar{display:none}.voice-title{margin:6px 0 12px}.voice-title .eyebrow{font-size:10px}.voice-title h1{font-size:24px}.voice-title p{font-size:12px}.voice-summary{max-height:108px}.voice-child{padding:8px 12px}.voice-center{padding-top:4px;gap:6px}.hold-mic{width:106px;height:106px;margin:14px 0 12px}.voice-response{margin:8px 0;max-height:116px;padding:10px 12px}.voice-shortcuts{gap:6px}.voice-shortcuts button{font-size:12px;padding:9px 10px}.voice-bottom{margin-top:12px}.voice-privacy{margin-top:8px}.sidebar .nav{overflow-x:auto}.practice-wrap .practice-header{margin-bottom:8px}.practice-card{padding:20px 15px}.practice-word{margin-top:14px}.question-prompt{margin:17px 0}.options{gap:8px}.option{padding:10px 12px;min-height:48px}.practice-wrap .footnote{margin:10px 0}.step-pills{margin:8px 0}.voice-dock{bottom:max(18px,env(safe-area-inset-bottom))}.login-form input{font-size:16px!important}.voice-home .brand-mark{width:30px;height:30px;font-size:21px}}