:root{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:#252b32;background:#f5f7f9;font-size:15px;letter-spacing:0;--accent:#15736f;--border:#dde3e9;--muted:#66717e}*{box-sizing:border-box}body{margin:0}button,input,select{font:inherit;letter-spacing:0}button,a{touch-action:manipulation}button{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:40px;padding:8px 15px;border:1px solid #cbd4dd;border-radius:6px;background:white;color:#28323d;cursor:pointer;font-weight:600}button:hover{background:#eff4f7}button:disabled{opacity:.45;cursor:default}button.primary{background:var(--accent);color:#fff;border-color:var(--accent)}button.primary:hover:not(:disabled){background:#105c59}svg{width:18px;height:18px;flex-shrink:0}.icon{width:38px;min-height:38px;padding:8px;flex-shrink:0}a{color:#1c5e97;text-decoration:none}a:hover{text-decoration:underline}input,select{display:block;width:100%;min-height:42px;padding:9px 11px;border:1px solid #cbd4dd;border-radius:5px;background:#fff;color:#25303c}input:focus,select:focus,button:focus-visible,a:focus-visible{outline:3px solid #92c8e2;outline-offset:2px}label{display:block;font-weight:600}label>input,label>select{margin-top:8px}h1,h2,p{margin:0}h1{font-size:26px;line-height:1.4}h2{font-size:18px;line-height:1.5}header{height:80px;background:#fff;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:24px;padding:16px 32px}.brand{display:flex;align-items:center;flex-shrink:0}.brand img{width:168px;height:50px;object-fit:contain}.header-label{font-size:16px;font-weight:600;color:#5d6570;border-left:1px solid var(--border);padding-left:24px}#user-menu{margin-left:auto;display:flex;align-items:center;gap:8px}#signed-name{margin-right:4px;font-size:14px}.auth-view{min-height:calc(100vh - 80px);display:grid;place-items:start center;padding:64px 20px}.auth-form{width:100%;max-width:390px;background:white;padding:30px;border:1px solid var(--border);border-radius:8px;display:grid;gap:20px}.auth-form h1{margin-bottom:4px}.error{color:#a33242;font-size:14px;line-height:1.6;white-space:pre-wrap;overflow-wrap:anywhere}.error:empty{display:none}#workspace{display:flex;min-height:calc(100vh - 80px)}aside{width:250px;flex-shrink:0;padding:24px 16px;background:#fff;border-right:1px solid var(--border)}.aside-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px;padding:0 8px}.aside-heading span{color:var(--muted);font-size:13px}.search{position:relative;margin-bottom:12px}.search svg{position:absolute;top:13px;left:11px;color:var(--muted)}.search input{padding-left:36px;font-size:14px;margin:0}#status-filter{font-size:14px;margin-bottom:16px}.teacher-item{display:flex;width:100%;justify-content:space-between;border:0;background:transparent;padding:10px 12px;margin-bottom:3px;text-align:left;min-height:46px}.teacher-item.selected{background:#e8f3f1;color:#0a645f;box-shadow:inset 3px 0 #15736f}.teacher-item small{font-size:12px;color:var(--muted);font-weight:400}.site-main{padding:32px 40px 64px;width:100%;max-width:1200px;min-width:0;margin:0 auto}.site-heading{display:flex;align-items:center;justify-content:space-between;gap:12px}.eyebrow{font-size:12px;color:var(--muted);margin-bottom:5px}.site-heading a{display:block;font-size:13px;margin-top:8px;overflow-wrap:anywhere}.site-status{display:flex;gap:24px;padding:20px 0 24px;color:var(--muted);font-size:13px;flex-wrap:wrap}.live{color:#147865}.disabled{color:#a33242}.tabs{display:flex;border-bottom:1px solid var(--border);margin-bottom:28px;gap:20px;overflow-x:auto}.tabs button{border:0;background:none;border-radius:0;white-space:nowrap;color:var(--muted);padding:13px 2px;min-height:48px;box-shadow:inset 0 -3px transparent}.tabs button.selected{color:var(--accent);box-shadow:inset 0 -3px var(--accent)}section>h2{margin-bottom:16px}.upload-tool{display:flex;align-items:center;gap:18px;border:1px dashed #b9c7d3;border-radius:6px;background:#fff;padding:28px 24px;margin-bottom:16px}.upload-tool>svg{width:32px;height:32px;color:#577491}.upload-tool>div{flex:1;min-width:0}.upload-tool strong{display:block;overflow-wrap:anywhere;font-size:15px}.upload-tool span{display:block;font-size:13px;color:var(--muted);margin-top:5px}.upload-tool.drag{border-color:var(--accent);background:#eaf5f2}#upload-status{display:flex;align-items:center;gap:12px;margin:18px 0}progress{flex:1;width:100px;accent-color:var(--accent)}#upload-label{font-size:13px;color:var(--muted)}#draft-panel{padding:10px 0 20px}dl{display:grid;grid-template-columns:110px minmax(0,1fr);gap:12px;margin:12px 0 24px;font-size:14px}dt{color:var(--muted)}dd{margin:0;overflow-wrap:anywhere}#entry-label{max-width:500px;font-size:14px;margin-bottom:20px}.error-list{color:#a33242;line-height:1.7;font-size:14px;overflow-wrap:anywhere}.warnings{font-size:13px;color:var(--muted);line-height:1.8;margin:16px 0 24px}.publish-actions{display:flex;align-items:center;gap:20px;flex-wrap:wrap}.check{display:flex;align-items:center;gap:8px;font-size:14px;font-weight:400}.check input{margin:0;min-height:0;width:18px;height:18px;accent-color:var(--accent)}#job-state{margin-top:24px;font-size:14px;color:#147865}.section-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.version,.audit-row{padding:18px 0;display:flex;align-items:center;justify-content:space-between;gap:14px;border-bottom:1px solid var(--border)}.version strong,.audit-row strong{font-size:14px;overflow-wrap:anywhere}.version small,.audit-row small{display:block;color:var(--muted);margin-top:6px;font-size:12px}.version button{flex-shrink:0}.version .badge{color:var(--accent);font-size:12px;margin-left:10px}.account-actions{display:flex;gap:16px;flex-wrap:wrap}.empty{padding:30px 0;color:var(--muted);font-size:14px}#workspace-error{margin-top:24px}dialog{border:1px solid var(--border);border-radius:8px;padding:24px;width:450px;max-width:calc(100vw - 32px);box-shadow:0 20px 70px #19283830}dialog::backdrop{background:#1b273766}dialog>p{margin:16px 0 24px;font-size:14px;line-height:1.7}.dialog-actions{display:flex;justify-content:flex-end;gap:12px;margin-top:24px}#preview-dialog{width:1100px;max-width:calc(100vw - 32px);padding:0}.dialog-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:16px 20px;border-bottom:1px solid var(--border)}.dialog-heading>div{display:flex;align-items:center;gap:16px}.dialog-heading a{display:flex;align-items:center;gap:6px;font-size:13px}iframe{display:block;width:100%;height:70vh;border:0;background:white}#reset-value{font-family:monospace;font-size:17px}[hidden]{display:none!important}@media(max-width:800px){header{height:auto;min-height:74px;padding:12px 18px;gap:12px;flex-wrap:wrap}.brand img{width:140px;height:42px}.header-label{font-size:13px;padding-left:12px}#user-menu{gap:5px}#signed-name{font-size:12px}#workspace{flex-direction:column}aside{width:100%;border-right:0;border-bottom:1px solid var(--border);padding:16px 18px}.aside-heading{margin-bottom:12px}.search{display:inline-block;width:calc(65% - 8px);margin-right:8px;vertical-align:top}#status-filter{display:inline-block;width:35%;vertical-align:top;margin-bottom:12px}#teacher-list{display:flex;overflow:auto;gap:6px;max-height:100px}.teacher-item{flex-shrink:0;width:auto;min-width:98px;gap:10px}.teacher-item small{display:none}.site-main{padding:24px 20px 48px}.site-status{gap:12px}.tabs{gap:18px}.tabs svg{display:none}.upload-tool{padding:20px 16px;gap:12px;flex-wrap:wrap}.upload-tool>svg{width:24px;height:24px}.upload-tool button{margin-left:36px}.publish-actions{gap:14px}.dialog-heading{padding:12px}.dialog-heading h2{font-size:16px}h1{font-size:24px}}@media(max-width:400px){header{padding:12px 14px;gap:8px}.brand img{width:122px;height:37px}.header-label{font-size:12px;padding-left:8px}.site-main{padding:22px 16px}.tabs{gap:14px}.tabs button{font-size:13px}.auth-form{padding:24px}.site-status{font-size:12px}.publish-actions{gap:12px}#signed-name{display:none}}