:root{--ink:#102a4c;--muted:#60728c;--blue:#0959cf;--teal:#076d68;--line:#e4edf6;font-family:system-ui,-apple-system,"Segoe UI","Microsoft YaHei",sans-serif;color:var(--ink);background:#f4f9ff}
body{min-height:100vh;background:radial-gradient(ellipse at 90% 0,#dcf8f5 0,transparent 38%),radial-gradient(ellipse at 8% 35%,#e5f1ff 0,transparent 45%),#f8fbff}
button,input,select{font:inherit}button{min-height:44px;border-radius:12px;padding:10px 16px;margin:0;background:linear-gradient(120deg,#0877eb,#0959cf);font-weight:600;transition:box-shadow .18s,background .18s}button:hover{box-shadow:0 5px 14px #0959cf22}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #59aaff;outline-offset:3px}button.secondary{background:#edf5ff;color:var(--blue)}button.danger{background:#fff1f1;color:#a62e36;border:1px solid #f6d8dc}button:disabled{opacity:.55}
.brand-header{display:flex;align-items:center;gap:14px;background:transparent;color:var(--ink);padding:24px 5vw;border-bottom:1px solid #e6eef5}.brand-header img{border-radius:15px}.brand-header h1{font-size:23px;letter-spacing:.01em}.brand-header h1 span{font-size:12px;font-weight:600;color:var(--teal);background:#dff8f1;border:1px solid #c9eee6;border-radius:8px;padding:4px 8px;margin-left:10px;vertical-align:middle}.brand-header p{margin:5px 0 0;color:var(--muted);font-size:13px}.brand-badge{margin-left:auto;font-size:13px;color:var(--teal)}
main{max-width:1360px;padding:12px 5vw 32px}h2{font-size:21px}h3{font-size:17px}p{line-height:1.75}section{border:1px solid #ffffff;border-radius:24px;padding:24px;box-shadow:0 10px 36px #29496707;background:#ffffffeb;min-width:0}.empty{color:var(--muted);font-size:14px}.eyebrow{font-size:12px;font-weight:600;color:var(--teal);letter-spacing:.08em}
#message:empty,#records-status:empty{display:none}#message{font-size:14px;border-radius:12px;padding:10px 14px;margin:0 0 12px;background:#eaf4ff;color:var(--blue);overflow-wrap:anywhere}#restore-status{padding:24px;text-align:center}.auth-layout{display:grid;grid-template-columns:1.15fr 1fr;gap:80px;max-width:1020px;margin:45px auto 20px;align-items:center}.auth-intro h2{font-size:clamp(27px,3.2vw,42px);line-height:1.5;margin:16px 0}.auth-intro p{color:var(--muted)}.intro-art{position:relative;margin:28px 0;width:180px;height:180px;display:grid;place-items:center;border-radius:44px;background:linear-gradient(145deg,#e3f0ff,#ddfaf2);box-shadow:0 14px 36px #1284d517;transform:rotate(-5deg)}.intro-art img{width:132px;transform:rotate(5deg);border-radius:30px}.art-star{position:absolute;right:-20px;top:-12px;font-size:47px;color:#efc365}.intro-tags{display:flex;gap:10px;flex-wrap:wrap}.intro-tags span{font-size:12px;color:var(--teal);border:1px solid #cfeae6;border-radius:20px;padding:7px 12px;background:#effaf7}.auth-card{padding:30px;box-shadow:0 18px 60px #194b8310;border:1px solid #fff}.auth-tabs{display:flex;gap:4px;background:#f0f5fb;border-radius:14px;padding:4px}.auth-tabs button{flex:1;background:transparent;color:var(--muted);box-shadow:none}.auth-tabs button.active{background:white;color:var(--blue);box-shadow:0 2px 9px #1f4d7710}.auth-card form>button{width:100%;margin-top:12px}.auth-card input:not([type=checkbox]){border:1px solid #d7e2ee;background:#fbfdff;border-radius:12px;padding:12px;min-height:46px}.auth-card label{font-size:14px;color:var(--ink);margin:18px 0}.remember{display:flex;align-items:center;gap:8px;font-weight:400!important}.remember input{width:17px;height:17px;accent-color:var(--blue);margin:0}.auth-footnote{color:var(--muted);font-size:12px;margin:20px 0 0}.notice{font-size:13px;color:var(--muted);border:1px solid var(--line);background:#f5f9ff;line-height:1.75}#verification{max-width:460px;margin:45px auto}#verification form>button{margin:8px 8px 0 0}
#dashboard{display:grid;grid-template-columns:190px minmax(0,1fr);gap:28px}.workspace{min-width:0}.workspace-top{display:flex;align-items:center;justify-content:space-between;gap:16px;margin:8px 0 20px}.workspace-top h2{font-size:27px;margin:5px 0 0}.child-switch{font-size:12px;font-weight:400;color:var(--muted);margin:0;display:flex;align-items:center;gap:10px}.child-switch select{padding:10px 30px 10px 12px;border-radius:12px;border:1px solid #dce8f2;background:white;max-width:220px;color:var(--ink);min-width:90px}#app-nav{display:flex;flex-direction:column;gap:8px;align-self:start;position:sticky;top:18px;padding-top:8px}#app-nav button{display:flex;align-items:center;gap:12px;width:100%;background:transparent;color:var(--muted);text-align:left;padding:13px 16px;min-height:48px}#app-nav button.active{color:var(--blue);background:linear-gradient(115deg,#e0efff,#e5faf7)}.nav-icon{width:23px;height:23px;flex-shrink:0;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.welcome-card{padding:32px;background:linear-gradient(120deg,#ffffff,#effaff)}.welcome-card h2{font-size:26px;margin:14px 0}.welcome-card>p{color:var(--muted)}.quick-links{display:flex;gap:10px;flex-wrap:wrap;margin:24px 0}.section-heading{display:flex;align-items:center;justify-content:space-between;gap:12px}.section-heading h2{margin:0}.account-brand{display:flex;align-items:center;gap:12px;margin:20px 0}.account-brand h3,.account-brand p{margin:0}.account-brand p{font-size:13px;color:var(--muted)}[data-page=account]>button{margin:6px 6px 6px 0}#children>div{padding:16px 0;border-top:1px solid var(--line)}#children button{margin:8px 6px 8px 0}#child-form{max-width:520px}input:not([type=checkbox]){border-radius:12px;border-color:#d7e2ee}#record-sessions article,#record-homework article{overflow-wrap:anywhere}#record-sessions article button,#record-homework article button{margin:6px 6px 6px 0}#record-sessions article>div{background:#f6faff;border-radius:16px;padding:0 14px}#record-sessions article>div:empty{display:none}#record-homework img{border-radius:14px}#records-status{color:var(--muted);font-size:13px}
@media(min-width:1440px){main{padding-left:28px;padding-right:28px}}
@media(max-width:760px){.brand-header{padding:16px;gap:10px}.brand-header img{width:42px;height:42px}.brand-header h1{font-size:20px}.brand-header p{font-size:11px}.brand-badge{display:none}main{padding:12px 14px 24px}.auth-layout{grid-template-columns:1fr;gap:20px;margin:15px auto;max-width:450px}.auth-intro h2{font-size:27px;margin:10px 0}.auth-intro>p,.intro-art,.intro-tags{display:none}.auth-card{padding:22px}#dashboard{display:block}.signed-in main{padding-bottom:calc(86px + env(safe-area-inset-bottom))}#app-nav{position:fixed;bottom:0;left:0;right:0;top:auto;z-index:10;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:0;padding:6px 6px calc(6px + env(safe-area-inset-bottom));background:#fffffff5;backdrop-filter:blur(18px);border-top:1px solid var(--line)}#app-nav button{flex-direction:column;gap:4px;min-height:52px;padding:5px 2px;font-size:11px;border-radius:14px;text-align:center;box-shadow:none}.nav-icon{width:22px;height:22px}.workspace-top{margin:6px 0 16px;gap:8px}.workspace-top h2{font-size:23px}.child-switch{flex-direction:column;gap:3px;align-items:flex-end}.child-switch select{max-width:160px;padding:7px 22px 7px 10px;min-height:36px}.welcome-card,section{padding:20px;border-radius:20px}.welcome-card h2{font-size:23px}.welcome-card .empty{font-size:12px}.section-heading{align-items:center}.section-heading button{font-size:12px;padding:8px 10px}.brand-header h1 span{font-size:10px;margin-left:6px}#verification{margin:20px auto}.code{font-size:20px}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}
.overview-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin:16px 0}.overview-card{margin-top:16px}.overview-grid .overview-card{margin-top:0}.overview-card h3{margin:0 0 12px}.subject-row{display:flex;align-items:center;justify-content:space-between;gap:12px;border-top:1px solid var(--line);padding:12px 0}.status-tag{background:#f1f4f9;color:var(--muted);font-size:12px;border-radius:20px;padding:5px 10px}.status-tag.success{background:#e0f7ef;color:var(--teal)}.small{font-size:12px}.activity-link{display:flex;flex-direction:column;gap:5px;align-items:flex-start;width:100%;text-align:left;background:transparent;color:var(--ink);box-shadow:none;border-radius:0;border-top:1px solid var(--line);padding:14px 0;font-size:14px;overflow-wrap:anywhere}.activity-link:hover{background:#f6faff;box-shadow:none}.child-chips{display:flex;gap:8px;flex-wrap:wrap;margin:20px 0}#children button{margin:0;max-width:100%;overflow-wrap:anywhere;font-size:13px;border:1px solid transparent}.child-chips button.active{color:var(--teal);background:#dff8f1;border-color:#b9e9df}#child-form{padding:18px;border:1px solid var(--line);border-radius:16px;background:#f7fbff;margin:16px 0;max-width:100%}#child-form>button{margin:8px 8px 0 0}#device-child-heading h3{margin:14px 0 4px}#device-child-heading p{margin:0 0 16px}.device-actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.device-card{border:1px solid var(--line);border-radius:18px;background:#fbfdff;padding:18px;margin:12px 0;display:flex;align-items:flex-start;justify-content:space-between;gap:18px;overflow-wrap:anywhere}.device-card h3{margin:0 0 8px}.device-card p{margin:4px 0}.device-card details{flex-shrink:0}.device-card summary{cursor:pointer;font-size:12px;color:var(--muted);padding:10px}.device-card details button{margin-top:8px;font-size:12px}#pairing-panel{margin:18px 0;padding:20px;border:1px solid #bdebe3;border-radius:20px;background:linear-gradient(120deg,#effaff,#e7fbf4)}#pairing-panel h3{margin:0;font-size:15px}#pairing-code{font:700 34px ui-monospace,monospace;text-align:center;letter-spacing:.18em;color:var(--blue);background:white;border:1px solid #cae7f0;max-width:300px;margin:16px auto;padding:14px}#pairing-result,#device-status{font-size:13px;color:var(--muted);overflow-wrap:anywhere}#pairing-countdown{font-size:13px;color:var(--teal);font-variant-numeric:tabular-nums}#device-status:empty{display:none}[data-page=overview] .section-heading h2{overflow-wrap:anywhere}[data-page=overview] .section-heading button{flex-shrink:0}
@media(max-width:760px){.overview-grid{grid-template-columns:1fr;gap:12px;margin:12px 0}.overview-card{margin-top:12px}.welcome-card h2{font-size:22px}.welcome-card .quick-links{gap:8px;margin:16px 0 0}.welcome-card .quick-links button{font-size:12px;padding:8px 10px}.device-card{flex-direction:column;gap:8px;padding:16px}.device-card details{align-self:flex-end}#pairing-panel{padding:16px}#pairing-code{font-size:30px;width:100%}#child-form{padding:14px}.child-chips{margin:16px 0}}
.learning-kinds{display:flex;gap:6px;flex-wrap:wrap;margin:18px 0 12px}.learning-kinds button{font-size:12px;min-height:40px;padding:8px 12px}.learning-kinds button.active{background:#dff8f1;color:var(--teal);box-shadow:inset 0 0 0 1px #b9e9df}.learning-date-row{display:flex;gap:8px;align-items:flex-end;flex-wrap:wrap}.learning-date-row label{font-size:11px;color:var(--muted);margin:0;min-width:0}.learning-date-row input{font-size:12px;padding:8px 10px;min-height:40px;background:#fbfdff;margin-top:4px;max-width:160px}.learning-date-row button{min-height:40px;font-size:12px;padding:8px 12px}.learning-layout{display:grid;grid-template-columns:minmax(220px,32%) minmax(0,1fr);gap:18px}.learning-day{font-size:12px;color:var(--muted);background:#f7fbff;padding:10px 8px;margin:0;position:sticky;top:0;z-index:1}#learning-list-pane,#learning-detail-pane{min-width:0;border:1px solid var(--line);border-radius:18px;overflow:hidden;background:#fbfdff}#record-sessions{height:clamp(340px,calc(100dvh - 330px),740px);overflow:auto;overscroll-behavior:contain;padding:8px;scrollbar-width:thin}#record-sessions>.empty{padding:16px;line-height:1.8}.learning-entry{display:flex;align-items:flex-start;gap:10px;width:100%;text-align:left;background:transparent;color:var(--ink);padding:14px 10px;border:1px solid transparent;border-radius:14px;margin:4px 0;box-shadow:none;overflow-wrap:anywhere;scroll-margin-top:42px}.learning-entry:hover{background:#eff6ff;box-shadow:none}.learning-entry.active{background:#edf7ff;border-color:#cbe6fa}.learning-entry-body{min-width:0;display:flex;flex-direction:column;gap:6px;font-size:14px}.learning-kind-icon{background:linear-gradient(140deg,#e3f0ff,#dff8f1);color:var(--blue);font-size:12px;display:grid;place-items:center;width:32px;height:32px;border-radius:10px;flex-shrink:0}.learning-entry-link{font-size:11px;color:var(--blue)}#learning-detail-pane{display:flex;flex-direction:column;background:#f5faff}#learning-detail-toolbar{display:flex;align-items:center;gap:12px;padding:14px;border-bottom:1px solid var(--line);background:#fff}#learning-detail-toolbar h3{font-size:16px;margin:0 0 4px}#learning-detail-meta{margin:0}#learning-detail-toolbar button{font-size:11px;padding:8px 10px;flex-shrink:0}#learning-detail{height:clamp(260px,calc(100dvh - 455px),620px);min-height:200px;flex:1;overflow:auto;padding:18px;overscroll-behavior:contain;scrollbar-width:thin;overflow-wrap:anywhere}#learning-detail:focus-visible,#record-sessions:focus-visible{outline:2px solid #59aaff;outline-offset:-2px}#learning-detail-actions{display:flex;justify-content:flex-end;gap:6px;flex-wrap:wrap;padding:10px;border-top:1px solid var(--line);background:#fff}#learning-detail-actions button{font-size:11px;min-height:38px;padding:8px 10px}.learning-message{padding:16px;border:1px solid #fff;border-radius:18px;background:white;margin:0 0 16px;box-shadow:0 3px 15px #194b8305}.learning-message.from-child{background:#e7f2ff;border-color:#e1eefb;margin-left:36px}.learning-message.from-ai{margin-right:18px}.message-speaker{display:flex;align-items:center;gap:8px;font-size:12px;font-weight:600;color:var(--muted);margin-bottom:8px}.message-speaker img{border-radius:7px}.learning-message p,.translation-record p{white-space:pre-wrap;line-height:1.9;font-size:15px;margin:0;overflow-wrap:anywhere;user-select:text}.translation-record{border:1px solid var(--line);border-radius:18px;overflow:hidden;background:white;margin-bottom:16px}.translation-source,.translation-target{padding:18px}.translation-target{background:#eaf5ff;border-top:1px solid var(--line);color:#0959cf}.translation-source .message-speaker{color:var(--teal)}
#learning-detail-pane{height:clamp(340px,calc(100dvh - 330px),740px)}#learning-detail{height:auto;min-height:0;flex:1 1 0}#learning-detail-toolbar,#learning-detail-actions{flex-shrink:0}
@media(max-width:1000px) and (min-width:761px){.learning-layout{grid-template-columns:minmax(180px,36%) minmax(0,1fr)}#dashboard{grid-template-columns:150px minmax(0,1fr);gap:16px}}
@media(max-width:760px){.learning-layout{display:block}#learning-detail-pane{display:none}[data-page=records].reading #learning-detail-pane{display:flex}[data-page=records].reading #learning-list-pane,[data-page=records].reading #learning-filters,[data-page=records].reading>.section-heading{display:none}#record-sessions{height:clamp(320px,calc(100dvh - 340px),620px)}#learning-detail{height:clamp(300px,calc(100dvh - 320px),700px);padding:14px;flex:auto}#learning-detail-toolbar{align-items:flex-start;gap:8px;padding:12px}#learning-detail-title{font-size:15px}#learning-detail-meta{font-size:10px}.learning-message{padding:14px;margin-bottom:14px}.learning-message.from-child{margin-left:20px}.learning-message.from-ai{margin-right:8px}.learning-message p,.translation-record p{font-size:15px}.learning-date-row label{flex:1 1 calc(50% - 8px)}.learning-date-row input{width:100%;max-width:none}.learning-date-row button{flex:1}.learning-kinds{gap:5px}.learning-kinds button{padding:8px 10px}.translation-source,.translation-target{padding:16px}}
@media(max-width:760px){#learning-detail-pane{height:clamp(400px,calc(100dvh - 240px),780px)}#learning-detail{height:auto;min-height:0;flex:1 1 0}}
:root{--homework-border:#e5eef8}
.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}
.homework-heading,.subject-heading,.homework-detail-heading{display:flex;align-items:center;justify-content:space-between;gap:12px}.homework-heading h2{margin:0}.homework-heading p{margin:6px 0 0}.homework-filters{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin:18px 0 10px}.homework-filters input[type=date]{width:150px;min-width:0;min-height:40px;margin:0;padding:8px;font-size:14px;line-height:20px}.homework-filters select{width:auto;min-width:110px;margin:0;min-height:40px}.homework-filters button,.homework-heading button,#homework-toolbar button{min-height:40px;margin:0;padding:8px 14px}.homework-note{font-size:13px;line-height:1.7;color:#63738c;margin:10px 0}.homework-note + #homework-status{font-size:13px;color:#1761b9;min-height:20px}
.report-actions,.report-days{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
#homework-report-dialog{width:min(560px,calc(100vw - 24px));max-height:88dvh;overflow:auto;border:1px solid #d9e3ef;border-radius:18px;padding:clamp(12px,4vw,22px);color:#213047;background:white}
#homework-report-dialog::backdrop{background:#10223999}
#homework-report-dialog fieldset{min-width:0;padding:0;border:0;margin:0}
#homework-report-dialog h2{margin:0}
#homework-report-dialog label{margin:6px 0}
#homework-report-dialog input[type=time],#homework-report-dialog select{width:auto}
#homework-report-dialog .report-option{padding:10px 12px;margin-bottom:8px;background:#f5f8fc;border-radius:12px}
#homework-report-preview-text{white-space:pre-wrap;overflow-wrap:anywhere;font:inherit;line-height:1.6;background:#f5f8fc;padding:12px;border-radius:10px}
#homework-report-deliveries h3{font-size:15px;margin:12px 0 0}
#homework-report-deliveries li{margin:4px 0}
@media(max-width:460px){.homework-heading{flex-wrap:wrap}.homework-heading .report-actions{margin-left:auto}}
#homework-workspace{display:grid;grid-template-columns:minmax(300px,.9fr) minmax(0,1.3fr);gap:20px;height:clamp(460px,66vh,800px);min-height:0}#record-homework,#homework-reader,#homework-detail{min-width:0;min-height:0}#record-homework{overflow-y:auto;overscroll-behavior:contain;padding:0 6px 16px 0}#homework-reader{display:flex;flex-direction:column;border:1px solid var(--homework-border);border-radius:22px;background:linear-gradient(145deg,#f5faff,#fff);overflow:hidden}#homework-toolbar{display:flex;gap:8px;justify-content:space-between;padding:12px;border-bottom:1px solid var(--homework-border)}#homework-detail{overflow-y:auto;overscroll-behavior:contain;padding:20px;flex:1;overflow-wrap:anywhere}#homework-detail p{white-space:pre-wrap;line-height:1.8}.homework-day{margin-bottom:22px}.homework-day h3{font-size:15px;color:#59718e;margin:0 0 10px}.subject-card{background:#fff;border:1px solid var(--homework-border);border-radius:18px;padding:15px;margin:10px 0;box-shadow:0 5px 15px #295b9c05}.subject-heading{font-size:15px}.subject-heading span{font-size:12px;border-radius:16px;padding:4px 9px}.submitted{color:#087d78;background:#e4faf5}.not-submitted{color:#75829a;background:#f1f5f9}.homework-metrics{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));margin:15px 0;gap:6px}.homework-metrics small{display:block;font-size:11px;color:#73849b;margin-bottom:6px}.homework-metrics strong{font-size:17px;color:#1a3659}.homework-entry{display:flex;justify-content:space-between;align-items:center;gap:10px;width:100%;background:#f3f8ff;color:#225381;text-align:left;border:1px solid transparent;box-shadow:none;border-radius:12px;padding:12px;font-size:12px;margin:6px 0;min-height:44px}.homework-entry.selected{border-color:#59a2f1;background:#eaf4ff}.homework-entry span:last-child{white-space:nowrap;color:#1375cc}.state-label{color:#087d78;font-size:12px;flex-shrink:0}.homework-detail-heading h3{margin:0;font-size:18px}.review-progress{color:#287fc4}.review-warning{color:#956007;background:#fff5dc;border-radius:10px;padding:10px;font-size:13px}.review-page{margin:22px 0}.question-card{border:1px solid #e5edf5;border-left:3px solid #cfad65;border-radius:12px;background:#fff;padding:12px 16px;margin:12px 0}.question-card.correct{border-left-color:#26b39b}.question-card.incorrect{border-left-color:#ec9463}.question-card h4{margin:0;color:#214573}.question-card p{margin:8px 0;font-size:14px}.homework-thumbnails{display:flex;flex-wrap:wrap;gap:10px;margin-top:12px}.photo-thumb{background:#fff;border:1px solid var(--homework-border);border-radius:12px;box-shadow:none;color:#42617e;padding:6px;margin:0;width:120px;font-size:12px}.photo-thumb img{display:block;width:106px;height:120px;object-fit:contain;background:#f2f6fb;border-radius:8px;margin-bottom:6px}
#homework-photo-dialog{width:min(100vw,1100px);max-width:100vw;height:90dvh;max-height:100dvh;padding:12px;border:0;border-radius:20px;background:#102239;color:white;box-sizing:border-box;overflow:hidden}#homework-photo-dialog[open]{display:flex;flex-direction:column}#homework-photo-dialog::backdrop{background:#071729dd}.photo-tools{display:flex;align-items:center;gap:8px;flex-wrap:wrap;flex-shrink:0}.photo-tools button{min-width:44px;min-height:44px;padding:8px 12px;margin:0;background:#254362;color:#fff;box-shadow:none}.photo-tools span{font-size:13px;color:#d2e5f8}#photo-caption{flex:1;min-width:100px}#photo-viewport{position:relative;flex:1;min-height:0;width:100%;display:flex;align-items:center;justify-content:center;overflow:hidden;touch-action:none;cursor:grab;margin:10px 0}#photo-image{width:100%;height:100%;object-fit:contain;transform-origin:center;user-select:none;pointer-events:none;flex-shrink:0}
@media(max-width:760px){[data-page=homework]{padding:16px!important}.homework-heading h2{font-size:21px}.homework-filters{gap:6px}.homework-filters input[type=date]{width:calc((100% - 28px)/2)}.homework-filters select{flex:1}.homework-note{font-size:12px}#homework-workspace{display:block;height:65dvh;min-height:380px;max-height:720px}#record-homework{height:100%}#homework-reader{display:none;height:100%}#homework-workspace.reading #record-homework{display:none}#homework-workspace.reading #homework-reader{display:flex}#homework-detail{padding:16px}.homework-detail-heading{align-items:flex-start;flex-wrap:wrap}.homework-detail-heading h3{font-size:17px}.subject-card{padding:14px}.homework-day{margin-bottom:18px}#homework-photo-dialog{width:100vw;height:100dvh;max-height:100dvh;border-radius:0;padding:12px 10px;padding-bottom:calc(12px + env(safe-area-inset-bottom))}.photo-tools{gap:6px}}
/* Bounded reading panes: the fixed phone navigation must never cover their contents. */
#homework-workspace{height:clamp(340px,calc(100dvh - 470px),780px)}.homework-day{padding:0;background:transparent;border:0;border-radius:0;box-shadow:none}.review-page{padding:0;background:transparent;border:0;box-shadow:none}.homework-filters select{border:1px solid #d5e3f2;border-radius:12px;background:#fff;color:#214573;padding:8px 12px;font-size:14px}.subject-card>.muted{font-size:12px;margin:8px 0 0;color:#75849a}
@media(max-width:760px){#homework-workspace{height:clamp(260px,calc(100dvh - 505px),650px);min-height:0}[data-page=homework].reading>.homework-heading,[data-page=homework].reading>.homework-filters,[data-page=homework].reading>.homework-note,[data-page=homework].reading>#homework-status{display:none}[data-page=homework].reading #homework-workspace{height:clamp(320px,calc(100dvh - 260px),800px)}}
.account-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin-top:20px}.account-card{border:1px solid var(--line);border-radius:20px;padding:22px;background:linear-gradient(145deg,#f6fbff,#fff);min-width:0}.account-card h3{margin:0 0 12px;font-size:18px}.account-card p{font-size:14px;color:var(--muted);line-height:1.8;overflow-wrap:anywhere}.account-card-heading{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap}.account-card-heading span{font-size:12px;padding:5px 10px;border-radius:14px}.account-card-heading h3{margin:0}.data-card{grid-column:1/-1}.data-child{background:#e6f3ff;color:#1662ac;overflow-wrap:anywhere}.data-export{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:18px;background:#fff;border:1px solid var(--line);border-radius:16px}.data-export h4{margin:0;color:var(--ink)}.data-export p{margin:8px 0 0;max-width:650px}.data-export button{flex-shrink:0}#data-status,#account-status{color:var(--blue);min-height:20px;font-size:13px;overflow-wrap:anywhere}#data-status:empty,#account-status:empty{display:none}#data-delete-options{margin-top:20px;border-top:1px solid var(--line);padding-top:14px}#data-delete-options summary{cursor:pointer;color:#8b5b5b;font-size:14px;min-height:44px;display:list-item;align-content:center}#data-delete-options summary:focus-visible{outline:3px solid #59aaff;outline-offset:3px}.retention-facts{display:flex;gap:12px;flex-wrap:wrap}.retention-facts span{background:#eaf5ff;padding:10px 12px;border-radius:12px;font-size:12px;color:#60728c}.retention-facts strong{display:block;margin-top:4px;color:#1763ad;font-size:15px}body.photo-open{overflow:hidden}
@media(max-width:760px){.account-grid{grid-template-columns:1fr;gap:12px;margin-top:16px}.account-card{padding:16px;border-radius:18px}.account-card p{font-size:14px}.data-export{display:block;padding:14px}.data-export button{width:100%;margin-top:14px}.account-brand{gap:12px}.account-brand h3{font-size:18px}.account-brand p{font-size:12px}button,input,select,summary{touch-action:manipulation}.learning-date-row input,.homework-filters input[type=date],.homework-filters select{font-size:16px;min-height:44px}.learning-date-row button,.learning-kinds button,.homework-filters button,#homework-toolbar button,#learning-detail-actions button{min-height:44px}#learning-detail-toolbar{flex-wrap:wrap}#learning-detail-toolbar>div{min-width:0;flex:1}#learning-detail-title{overflow-wrap:anywhere}#app-nav button{min-width:0}#app-nav button span{overflow-wrap:anywhere}.homework-metrics strong{font-size:16px}.homework-entry{flex-wrap:wrap}.photo-tools button{min-width:44px;min-height:44px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}
@media(max-width:760px){body.signed-in main{padding-bottom:calc(var(--parent-nav-space,86px) + 24px)}}
/* Compact mobile workspace: reserve only the measured navigation, not empty trailing space. */
#overview-caption:empty{display:none}
#records-status{margin:6px 0 0;padding:0;line-height:1.4}
#homework-status{font-size:12px;color:#1761b9;margin:6px 0 8px;line-height:1.4}
@media(max-width:760px){
  body.signed-in main{padding-bottom:calc(var(--parent-nav-space,60px) + 4px)}
  #app-nav{align-items:start;padding:2px 4px calc(2px + env(safe-area-inset-bottom));min-height:0;height:auto}
  #app-nav button{margin:0;min-height:48px;padding:3px 2px;gap:2px;line-height:1.25;align-self:start}
  .signed-in .brand-header{padding:10px 14px}.signed-in .brand-header img{width:36px;height:36px}
  .workspace-top{margin:2px 0 10px}.workspace-top .eyebrow{display:none}
  [data-page=homework]{padding:12px!important}
  .homework-heading h2{font-size:18px}.homework-heading p{display:none}
  .homework-filters{margin:10px 0 6px;gap:6px}
  .homework-filters input[type=date],.homework-filters select{min-height:36px;height:36px;padding:4px 8px;font-size:16px;line-height:24px}
  .homework-filters button,.homework-heading button{min-height:36px;padding:4px 10px;font-size:13px;margin:0}
  #homework-workspace{height:clamp(260px,calc(100dvh - var(--parent-nav-space,60px) - 275px),850px)}
  [data-page=homework].reading #homework-workspace{height:clamp(280px,calc(100dvh - var(--parent-nav-space,60px) - 175px),900px)}
}