:root {
  --bg:#f5f7fb; --surface:#fff; --ink:#172238; --muted:#68758c; --line:#dfe5ef;
  --primary:#6457e6; --primary-2:#8175f0; --teal:#16a39a; --green:#16845b;
  --orange:#f39a34; --red:#cf4054; --navy:#202944; --soft:#eeecff;
  --shadow:0 14px 34px rgba(29,39,67,.10); --radius:22px;
}
*{box-sizing:border-box} body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.55 system-ui,-apple-system,"Segoe UI",sans-serif}
button,input,select,textarea{font:inherit} button{cursor:pointer} button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid rgba(100,87,230,.26);outline-offset:2px}
.skip-link{position:absolute;left:-9999px}.skip-link:focus{left:16px;top:12px;background:#fff;padding:10px 14px;z-index:99}
.shell{min-height:100vh}.topbar{height:68px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 28px;position:sticky;top:0;z-index:20}
.brand{display:flex;align-items:center;gap:10px;font-weight:900;font-size:18px}.brand-mark{width:34px;height:34px;border-radius:12px;background:linear-gradient(135deg,var(--primary),#aa6bf4);display:grid;place-items:center;color:white}
.top-actions,.row{display:flex;align-items:center;gap:10px}.page{max-width:1240px;margin:auto;padding:30px}.page.narrow{max-width:760px}.page.mobile{max-width:520px}
.eyebrow{color:var(--primary);font-weight:800;font-size:13px;letter-spacing:.04em}.hero{background:linear-gradient(145deg,#29275f,#6457e6);color:#fff;padding:34px;border-radius:30px;box-shadow:var(--shadow);position:relative;overflow:hidden}.hero:after{content:"";position:absolute;width:240px;height:240px;border-radius:50%;background:rgba(255,255,255,.08);right:-70px;top:-90px}
h1,h2,h3,p{margin-top:0}h1{font-size:clamp(28px,4vw,46px);line-height:1.15;margin-bottom:14px}h2{font-size:26px;line-height:1.25}h3{font-size:18px}.muted{color:var(--muted)}.hero .muted{color:#dedcff}.small{font-size:13px}.strong{font-weight:800}
.grid{display:grid;gap:18px}.grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}.grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}.grid.four{grid-template-columns:repeat(4,minmax(0,1fr))}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:0 7px 20px rgba(29,39,67,.05)}.card.clickable{transition:.18s transform,.18s box-shadow}.card.clickable:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
.role-card{min-height:190px;text-align:left;display:flex;flex-direction:column;justify-content:space-between;border:2px solid transparent}.role-card.primary{border-color:var(--primary);background:linear-gradient(180deg,#fff,#f3f0ff)}.role-icon{font-size:38px}.admin-link{border:0;background:none;color:var(--muted);text-decoration:underline;padding:12px}
.btn{border:0;border-radius:13px;padding:12px 18px;background:var(--primary);color:#fff;font-weight:800;min-height:44px}.btn:hover{filter:brightness(.96)}.btn.secondary{background:#fff;color:var(--primary);border:1px solid #c9c3fb}.btn.ghost{background:transparent;color:var(--ink);border:1px solid var(--line)}.btn.danger{background:#fff2f4;color:var(--red);border:1px solid #ffd0d8}.btn.success{background:var(--green)}.btn.wide{width:100%}.btn:disabled{opacity:.45;cursor:not-allowed}
.section-head{display:flex;justify-content:space-between;gap:16px;align-items:end;margin:28px 0 14px}.section-head h2,.section-head p{margin-bottom:0}.badge{display:inline-flex;align-items:center;gap:6px;border-radius:999px;padding:5px 10px;background:var(--soft);color:var(--primary);font-size:12px;font-weight:800}.badge.green{background:#e4f7ee;color:var(--green)}.badge.gray{background:#edf0f5;color:#657086}.badge.orange{background:#fff0dd;color:#a85b00}.badge.red{background:#fff0f2;color:var(--red)}
.calendar{display:grid;grid-template-columns:repeat(5,1fr);gap:9px}.day{padding:12px 5px;border-radius:14px;text-align:center;background:#f1f3f7}.day.today{background:var(--primary);color:white}.day.done:after{content:" ✓";color:var(--green);font-weight:900}.day.today.done:after{color:white}
.subject{display:grid;grid-template-columns:auto 1fr auto;gap:13px;align-items:center}.subject-icon{width:46px;height:46px;display:grid;place-items:center;background:#f0eeff;border-radius:16px;font-size:23px}.progress{height:8px;border-radius:999px;background:#e7eaf0;overflow:hidden}.progress>span{display:block;height:100%;background:linear-gradient(90deg,var(--primary),var(--teal));border-radius:999px}
.stat strong{display:block;font-size:24px}.stat span{color:var(--muted);font-size:13px}.stars{color:var(--orange);letter-spacing:2px}.path{display:flex;flex-direction:column;align-items:center;gap:0;padding:10px}.path-node{display:grid;grid-template-columns:52px 1fr;align-items:center;gap:14px;width:100%}.node{width:52px;height:52px;border-radius:50%;display:grid;place-items:center;background:#fff;border:5px solid var(--primary);font-weight:900;color:var(--primary)}.node.done{background:var(--green);border-color:var(--green);color:#fff}.node.locked{border-color:#c9ced8;color:#929aad}.path-line{height:34px;width:5px;background:#dadde6;margin-left:24px}
.question-progress{height:7px;background:#e7eaf0}.question-progress span{display:block;height:100%;background:var(--primary);transition:.2s width}.question-card{padding:30px}.answer-list{display:grid;gap:12px;margin:22px 0}.answer{border:2px solid var(--line);border-radius:17px;background:#fff;padding:17px;text-align:left;font-weight:750;color:var(--ink)}.answer:hover{border-color:#b8b1fb}.answer.selected{border-color:var(--primary);background:var(--soft)}.answer.correct{border-color:var(--green);background:#eaf9f2}.answer.wrong{border-color:var(--red);background:#fff1f3}.feedback{border-radius:16px;padding:16px;margin:12px 0;font-weight:700}.feedback.good{background:#e8f8ef;color:#126745}.feedback.bad{background:#fff0f2;color:#9f2e42}
.result-ring{width:150px;height:150px;border-radius:50%;margin:10px auto 22px;background:conic-gradient(var(--primary) 0 75%,#e7eaf0 75%);display:grid;place-items:center}.result-ring:before{content:"75%";width:115px;height:115px;border-radius:50%;background:#fff;display:grid;place-items:center;font-size:28px;font-weight:900}
.difficulty{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.difficulty button{border:1px solid var(--line);background:#fff;border-radius:16px;padding:16px 8px}.difficulty button.selected{border:2px solid var(--primary);background:var(--soft)}
.layout-admin{display:grid;grid-template-columns:248px 1fr;min-height:calc(100vh - 68px)}.sidebar{background:var(--navy);color:#fff;padding:24px 16px}.sidebar h3{padding:0 12px}.nav-btn{display:flex;width:100%;align-items:center;gap:10px;padding:12px;border:0;border-radius:12px;background:transparent;color:#cbd2e4;text-align:left;margin:3px 0}.nav-btn:hover,.nav-btn.active{background:#343d60;color:#fff}.admin-content{padding:28px;overflow:auto}.toolbar{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:18px}.filters{display:flex;gap:8px;flex-wrap:wrap}.input,.select,.textarea{border:1px solid #cfd5df;background:#fff;border-radius:12px;padding:11px 12px;min-height:44px;width:100%}.textarea{min-height:100px;resize:vertical}.field{display:grid;gap:6px}.field label{font-weight:750}.field-error{color:var(--red);font-size:12px;min-height:18px}.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:15px}.check-grid{display:flex;gap:8px;flex-wrap:wrap}.check-chip{display:flex;align-items:center;gap:6px;border:1px solid var(--line);padding:9px 12px;border-radius:12px}
.table-wrap{overflow:auto;background:#fff;border:1px solid var(--line);border-radius:18px}.table{border-collapse:collapse;width:100%;min-width:760px}.table th,.table td{padding:14px 16px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap}.table th{font-size:12px;color:var(--muted);background:#f8f9fc}.table tr:last-child td{border-bottom:0}.table tr:hover td{background:#fafaff}.link-btn{border:0;background:none;color:var(--primary);font-weight:800;padding:0}
.chart{height:170px;display:flex;align-items:end;gap:16px;padding-top:15px}.bar{flex:1;background:linear-gradient(180deg,var(--primary-2),var(--primary));border-radius:10px 10px 4px 4px;position:relative;min-width:30px}.bar span{position:absolute;bottom:-28px;left:50%;transform:translateX(-50%);font-size:12px;color:var(--muted)}
.empty{text-align:center;padding:52px 22px;color:var(--muted)}.empty .icon{font-size:42px}.callout{padding:15px;border-radius:14px;background:#fff8e9;border:1px solid #f6d594;color:#805318}.callout.info{background:#eef7ff;border-color:#c9e6ff;color:#205f8f}
.modal-backdrop{position:fixed;inset:0;background:rgba(12,18,34,.52);display:grid;place-items:center;padding:20px;z-index:80}.modal{background:#fff;width:min(640px,100%);max-height:90vh;overflow:auto;border-radius:24px;padding:24px;box-shadow:var(--shadow)}.modal-head{display:flex;justify-content:space-between;gap:12px}.icon-btn{width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:#fff}.toast{position:fixed;right:24px;bottom:24px;padding:13px 18px;border-radius:13px;background:#172238;color:#fff;box-shadow:var(--shadow);opacity:0;transform:translateY(12px);transition:.2s;z-index:100;pointer-events:none}.toast.show{opacity:1;transform:none}
.bottom-nav{display:none}.prototype-tag{position:fixed;right:16px;top:82px;background:#172238;color:#fff;padding:7px 10px;border-radius:10px;font-size:11px;z-index:30}.menu-toggle{display:none}
@media(max-width:850px){.grid.four,.grid.three{grid-template-columns:repeat(2,1fr)}.layout-admin{grid-template-columns:1fr}.sidebar{display:none}.sidebar.open{display:block;position:fixed;top:68px;bottom:0;left:0;width:260px;z-index:40}.menu-toggle{display:inline-grid}.admin-content{padding:20px}.form-grid{grid-template-columns:1fr}.topbar{padding:0 16px}}
@media(max-width:600px){body{padding-bottom:68px}.page{padding:18px}.topbar{height:60px}.topbar .top-actions .muted{display:none}.grid.two,.grid.three,.grid.four{grid-template-columns:1fr}.hero{padding:25px}.calendar{gap:5px}.day{font-size:12px;padding:10px 2px}.difficulty{grid-template-columns:1fr}.bottom-nav{display:grid;grid-template-columns:repeat(3,1fr);position:fixed;bottom:0;left:0;right:0;background:#fff;border-top:1px solid var(--line);z-index:45}.bottom-nav button{border:0;background:#fff;padding:10px 4px;color:var(--muted);font-size:12px}.bottom-nav button.active{color:var(--primary);font-weight:900}.prototype-tag{display:none}.question-card{padding:21px}.toolbar{align-items:stretch;flex-direction:column}.toast{left:16px;right:16px;bottom:82px;text-align:center}}
/* Server forms */
[hidden]{display:none!important} dialog{border:0;border-radius:22px;padding:28px;max-width:620px;width:calc(100% - 32px);max-height:90vh;overflow:auto;box-shadow:var(--shadow)}dialog::backdrop{background:rgba(20,25,45,.45)}fieldset{border:1px solid var(--line);border-radius:12px;margin:16px 0}.form-error{color:var(--red)}#notice{padding-top:0}.hero+.card{margin-top:20px}
.report-day{display:grid;grid-template-columns:55px 1fr 65px;gap:12px;align-items:center;margin:12px 0}.report-day progress{width:100%}.report-controls{display:grid;grid-template-columns:auto minmax(0,1fr);gap:12px;align-items:center}

.generation-progress{margin:20px 0;border:2px solid var(--primary)}.generation-progress.is-complete{border-color:var(--green)}.generation-progress h2{display:flex;align-items:center;gap:12px}.generation-progress progress{width:100%;height:20px;accent-color:var(--primary)}.generation-count{font-size:20px;font-weight:700}.generation-spinner{display:inline-block;width:22px;height:22px;border:3px solid #e4deff;border-top-color:var(--primary);border-radius:50%;animation:generation-spin 1s linear infinite}@keyframes generation-spin{to{transform:rotate(360deg)}}@media(prefers-reduced-motion:reduce){.generation-spinner{animation:none}}

.question-visual{margin:1rem 0;padding:.75rem;border:1px solid #d8e2f0;border-radius:14px;background:#f6f8fc}
.question-visual img{display:block;width:100%;max-width:800px;height:auto;margin:0 auto}
.question-visual figcaption,.visual-status{font-size:.9rem;color:#52667f}
.visual-status:empty{display:none}

.question-content{min-width:0;max-width:100%;font-weight:400;font-size:1rem;line-height:1.7}
.question-prose{white-space:pre-wrap;overflow-wrap:anywhere;margin:.7rem 0}
.question-table-scroll{max-width:100%;overflow-x:auto;margin:1rem 0;border:1px solid #b8c8dc;border-radius:10px;-webkit-overflow-scrolling:touch}
.question-table-scroll:focus-visible{outline:3px solid #8272e9;outline-offset:3px}
.question-data-table{border-collapse:collapse;width:100%;font-size:1rem;line-height:1.6;table-layout:auto}
.question-data-table th,.question-data-table td{padding:12px;border:1px solid #c9d5e4;text-align:left;vertical-align:top;white-space:normal;overflow-wrap:break-word;min-width:5rem}
.question-data-table thead th{background:#dce7f5;color:#172d4f;font-weight:700;border-bottom:2px solid #92a9c7}
.question-data-table tbody td{background:#fff;color:#19283e}
.question-data-table tbody th{background:#edf2f8;color:#243b5b;font-weight:600}
.question-data-table tbody tr:nth-child(even) td{background:#f6f8fc}
@media(max-width:480px){.question-data-table th,.question-data-table td{padding:9px;min-width:4rem}}

#app > :is(.card,.grid,.table-wrap,.toolbar,.callout,.report-controls) + :is(.card,.grid,.table-wrap,.toolbar,.callout,.report-controls) {margin-top:18px}
.child-name-cell,.row-actions {display:flex;align-items:center;gap:8px}
.child-name-cell {justify-content:space-between;min-width:160px}
.child-name-cell .btn {flex:none}
.row-actions {flex-wrap:wrap}
#notice {position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
#notice.is-error {position:fixed;left:16px;right:16px;bottom:16px;width:auto;height:auto;max-width:560px;margin:0 auto;padding:12px 16px;overflow:visible;clip:auto;white-space:normal;background:#fff0f2;color:#8e1f34;border:1px solid #f4b7c2;border-radius:12px;box-shadow:var(--shadow);z-index:90}
@media(max-width:600px){.section-head{align-items:flex-start;flex-wrap:wrap;gap:12px}.row-actions{min-width:175px}.table th,.table td{padding:10px 12px}}

.remember-option{display:flex;align-items:center;gap:9px;margin:12px 0 18px}

/* Shared visual language for the live learning and management screens. */
body{background:#f5f7fb}
.topbar{box-shadow:0 2px 16px rgba(29,39,67,.04)}
.topbar-leading{display:flex;align-items:center;gap:12px;min-width:0}
.topbar .brand{white-space:nowrap}
.menu-toggle{width:44px;height:44px;flex:none;border:1px solid var(--line);border-radius:13px;background:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;color:var(--ink)}
.menu-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:currentColor}
.menu-toggle:hover,.menu-toggle[aria-expanded="true"]{background:var(--soft);border-color:#c9c3fb;color:var(--primary)}
.admin-menu-backdrop{position:fixed;inset:68px 0 0;background:rgba(20,25,45,.45);border:0;width:100%;z-index:49}
.admin-menu{position:fixed;top:68px;bottom:0;left:0;width:min(320px,calc(100vw - 40px));padding:24px 16px;overflow:auto;background:#fff;box-shadow:18px 0 40px rgba(29,39,67,.18);z-index:50}
.admin-menu-label{margin:16px 12px 8px;color:var(--muted);font-size:12px;font-weight:800}
.admin-menu-label:first-child{margin-top:0}
.admin-menu button{display:block;width:100%;min-height:46px;padding:11px 14px;border:0;border-radius:13px;background:transparent;color:var(--ink);text-align:left;font-weight:750}
.admin-menu button:hover,.admin-menu button[aria-current="page"]{background:var(--soft);color:var(--primary)}
.admin-menu-open{overflow:hidden}

.page{padding-top:26px;padding-bottom:44px}
.hero{background:linear-gradient(135deg,#5747ce 0%,#6457e6 70%,#7768eb 100%);border-radius:26px;box-shadow:0 14px 34px rgba(88,75,206,.18)}
.hero .eyebrow{color:#dedaff}
.hero p{color:#f0eeff}
.login-hero{min-height:230px;padding-right:96px}
.hero-glyph{position:absolute;right:28px;bottom:28px;width:56px;height:56px;display:grid;place-items:center;border-radius:16px;background:#fff;color:var(--primary);font-size:26px;font-weight:900}
.login-card{margin-top:20px}
.login-card h2{margin-bottom:20px}
.login-card .field+.field{margin-top:16px}
.login-card .btn.wide{margin-top:2px}
.login-practice{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:8px 16px;margin-top:22px;padding-top:18px;border-top:1px solid var(--line)}
.login-practice span{color:var(--muted)}
.login-practice a{color:var(--primary);font-weight:800;text-decoration:underline;text-underline-offset:3px}
.card{border-color:#e1e7f1;box-shadow:0 8px 22px rgba(29,39,67,.06)}
.btn{border-radius:13px;transition:filter .15s,transform .15s,box-shadow .15s}
.btn:not(:disabled):active{transform:translateY(1px)}
.btn:focus-visible,.admin-menu button:focus-visible,.menu-toggle:focus-visible{outline:3px solid rgba(100,87,230,.34);outline-offset:2px}
.section-head{align-items:center}
.section-head h1,.section-head h2{margin-bottom:0}
.section-head+.grid,.section-head+.table-wrap{margin-top:16px}
.role-card{border:1px solid #dddff5;background:#fff;min-height:170px}
.role-card.primary{border-color:#b9b0fa}

#app.child-page>.grid{gap:14px}
#app.child-page>.grid>.card{padding:22px;border-radius:22px}
#app.child-page>.grid>.card h3{color:var(--ink);font-size:20px;margin-bottom:14px}
#app.child-page>.grid>.card .btn{margin-top:8px}
#app.child-page>.grid>.card .muted{line-height:1.6}
.question-card{margin-top:14px;padding:28px}
.question-card>.question-content{font-size:1.08rem}
.question-card .answer-list{gap:11px}
.question-card .field+.btn.wide{margin-top:16px}
.question-card .answer{min-height:58px;padding:16px 18px;border-radius:14px;background:#fff;font-size:16px}
.question-card .answer.selected{background:var(--soft)}
.question-card .answer.correct{background:#eaf9f2}
.question-card .answer.wrong{background:#fff1f3}
.question-card .callout{line-height:1.7}
#app.child-page #learning-feedback{margin-top:20px;text-align:center}
#learning-feedback:before{content:"★";display:grid;place-items:center;width:88px;height:88px;margin:0 auto 20px;border-radius:50%;background:#fff0dd;color:var(--orange);font-size:44px}
#learning-feedback .toolbar{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin:20px 0 12px}
#learning-feedback .toolbar .btn{min-width:0;white-space:normal;line-height:1.35}
#learning-feedback+.toolbar{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:16px 0}
#learning-feedback+.toolbar .btn{width:100%}
#app.child-page details.card{margin:12px 0}

#app.parent-page .report-controls{grid-template-columns:110px minmax(0,1fr);padding:18px;border:1px solid var(--line);border-radius:20px;background:#fff}
#app.parent-page .grid.two{gap:14px}
#app.parent-page .card.stat{min-height:108px}
#app.parent-page .card.stat strong{font-size:28px;color:var(--primary)}
#app.parent-page h2{margin-top:30px}

#app.admin-page{max-width:1240px}
#app.admin-page>.section-head:first-child{margin-top:4px}
#app.admin-page>.section-head:first-child h1{font-size:30px;line-height:1.2}
#app.admin-page .section-head h2{font-size:28px}
#app.admin-page .table-wrap{margin-top:16px}
.table-wrap{border-color:#e1e7f1;border-radius:20px;box-shadow:0 8px 22px rgba(29,39,67,.04)}
.table th{background:#f0effb;color:#3c4260;font-size:13px;font-weight:800}
.table td{vertical-align:middle}
.table tr:hover td{background:#faf9ff}
.child-name-cell strong{font-size:16px}
.child-name-cell .btn{min-height:36px;padding:7px 12px;color:var(--primary)}
.row-actions{gap:8px}
.row-actions .btn{min-height:38px;padding:8px 12px}

dialog{border:1px solid #e1e7f1;border-radius:24px;padding:28px;box-shadow:0 24px 60px rgba(29,39,67,.2)}
dialog::backdrop{background:rgba(24,31,55,.52)}
dialog h2{font-size:26px;margin-bottom:16px}
dialog .field+.field{margin-top:14px}
dialog .card{margin:12px 0}
dialog form>.btn,dialog form>p>.btn{margin-top:12px}
dialog .toolbar{gap:10px}

/* Shared administrator controls and modal header. */
.name-edit-cell{display:inline-flex;align-items:center;gap:8px;min-width:0}
.child-name-cell.name-edit-cell{justify-content:flex-start;min-width:0}
.name-edit-cell strong,.name-edit-cell code{overflow-wrap:anywhere}
.btn.inline-edit{min-height:28px;padding:3px 8px;border:1px solid #d9d4ff;border-radius:8px;background:#f6f4ff;color:var(--primary);font-size:12px;line-height:1.25;font-weight:800;white-space:nowrap;flex:none}
.btn.inline-edit:hover{background:#ece8ff}
.admin-section-title{margin-top:4px}
.admin-dashboard>.grid{margin-top:18px}
.admin-dashboard .admin-stats{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;max-width:720px}
.admin-dashboard .admin-stats .card{min-width:0;padding:18px}
.admin-dashboard .stat{min-height:112px}
.admin-dashboard .stat strong{display:block;margin-top:10px;color:var(--primary);font-size:30px}
.admin-dashboard .section-head{margin-top:24px}
@media(max-width:600px){.admin-dashboard .admin-stats{gap:8px}.admin-dashboard .admin-stats .card{padding:12px}.admin-dashboard .admin-stats .stat strong{font-size:24px}}
dialog{position:relative;padding-top:52px}
.dialog-close{position:absolute;top:12px;right:12px;display:grid;place-items:center;width:32px;height:32px;padding:0;border:0;border-radius:9px;background:transparent;color:#59627a;font-size:26px;line-height:1;cursor:pointer}
.dialog-close:hover,.dialog-close:focus-visible{background:#f0effb;color:var(--primary)}
#question-browser>.section-head{margin-top:4px}
#question-search{display:grid;gap:16px;margin-top:18px}
#question-search>.field,#question-search>label{margin:0}
#question-search>.btn{justify-self:start}
#question-results{margin-top:20px}
#question-results>.card+ .card,#question-results>.table-wrap+ .table-wrap{margin-top:16px}
.generation-table-head{display:flex;justify-content:flex-end;min-height:28px;margin:12px 0 8px}
.text-action{padding:2px 0;border:0;background:none;color:var(--primary);font:inherit;font-size:13px;font-weight:800;text-decoration:underline;text-underline-offset:3px;cursor:pointer}
.text-action:hover{color:#4235bf}
.review-actions{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;margin-top:18px}
.review-actions-left,.review-actions-right{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.review-actions-right{margin-left:auto}
@media(max-width:600px){.review-actions-left,.review-actions-right{width:100%}.review-actions-right{justify-content:flex-end}.admin-dashboard .stat{min-height:92px}}

#editor:has(.correct-celebration){width:min(430px,calc(100% - 28px));padding:30px 26px;border:1px solid #d9d4ff;background:radial-gradient(circle at 50% 0%,#f0edff 0%,#fff 68%)}
.correct-celebration{text-align:center}
.correct-sparkles{color:#f0a62f;font-size:22px;letter-spacing:.1em;margin-bottom:6px}
.correct-mark{display:grid;place-items:center;width:76px;height:76px;margin:0 auto 20px;border-radius:50%;background:#e6f8ed;color:#17835a;font-size:42px;font-weight:900;box-shadow:0 0 0 9px #f2fbf6}
.correct-celebration h2{margin-bottom:10px;color:var(--ink);font-size:26px}
.correct-celebration p{margin-bottom:26px;color:var(--muted)}
.correct-celebration p strong{color:var(--ink)}

#app.child-page .learning-dashboard{margin-top:18px;background:linear-gradient(145deg,#f5f3ff,#fff);border-color:#e4dfff}
.learning-dashboard-heading,.learning-subject-head{display:flex;justify-content:space-between;align-items:center;gap:12px}
.learning-dashboard-heading h2{margin:0;font-size:clamp(26px,5vw,34px)}
.learning-dashboard-heading h2 span{font-size:.55em;font-weight:700;color:var(--muted)}
.learning-dashboard-heading>strong{font-size:22px;color:var(--primary)}
.learning-dashboard progress{display:block;width:100%;height:12px;margin:20px 0 14px;accent-color:var(--primary)}
.learning-dashboard-stats{display:flex;flex-wrap:wrap;gap:10px 22px;color:var(--muted);font-size:14px}
.learning-dashboard-stats strong{color:var(--ink)}
.learning-subject-head h3{margin:0}
.learning-subjects>.card{position:relative}
.learning-subject-title{display:flex;align-items:center;gap:9px;min-width:0}
.learning-subject-status{display:flex;align-items:center;gap:3px;flex:none}
.learning-subject-title h3{line-height:1.25}
#app.child-page>.learning-subjects>.card .learning-subject-head h3{margin:0;line-height:1.25}
.learning-subject-icon{display:grid;place-items:center;flex:none;width:36px;height:36px;border-radius:11px;background:#eeecff;color:#6457e6;font-size:22px;font-weight:900;line-height:1}
.learning-subject-icon svg{display:block;width:23px;height:23px}
.learning-subject-icon.math{background:#eaf3ff;color:#326dbc}
.learning-subject-icon.korean{background:#f0edff;color:#6457e6}
.learning-subject-icon.english{background:#e9f7f5;color:#12857e}
.learning-subject-icon.science{background:#fff2df;color:#a86507}
.learning-subject-icon.hanja{background:#fff0f2;color:#b83149;font-size:20px}
.learning-subject-meta{margin:16px 0;color:var(--ink);line-height:1.5}
.learning-subject-meta strong{white-space:nowrap}
.assignment-reason{--reason-color:#326dbc;--reason-bg:#eaf3ff;display:inline-flex;align-items:center;flex:none}
.assignment-reason.positive{--reason-color:#16845b;--reason-bg:#e4f7ee}
.assignment-reason.warning{--reason-color:#9b5c00;--reason-bg:#fff0dd}
.assignment-reason.danger{--reason-color:#b83149;--reason-bg:#fff0f2}
.assignment-reason summary{display:grid;place-items:center;position:relative;isolation:isolate;width:40px;height:40px;color:var(--reason-color);font-size:14px;font-weight:900;line-height:1;list-style:none;cursor:pointer}
.assignment-reason summary:before{content:"";position:absolute;inset:7px;z-index:-1;border:2px solid var(--reason-color);border-radius:50%;background:var(--reason-bg)}
.assignment-reason summary::-webkit-details-marker{display:none}
.assignment-reason summary:focus-visible{outline:3px solid rgba(100,87,230,.35);outline-offset:2px}
.assignment-bubble{position:absolute;right:16px;top:58px;width:min(380px,calc(100% - 32px));z-index:10;padding:14px 16px;border:1px solid var(--reason-color);border-radius:15px;background:#fff;box-shadow:0 14px 35px rgba(29,39,67,.18);color:var(--ink)}
.assignment-bubble:before{content:"";position:absolute;top:-8px;right:19px;width:13px;height:13px;transform:rotate(45deg);background:#fff;border-top:1px solid var(--reason-color);border-left:1px solid var(--reason-color)}
.assignment-bubble strong{display:block;margin-bottom:6px;color:var(--reason-color)}
.assignment-bubble p{margin:0;line-height:1.55}
.assignment-bubble p+p{margin-top:8px;font-weight:700}
.learning-empty{margin-top:16px;text-align:center}
.learning-empty p{margin-bottom:0;color:var(--muted)}

@media(max-width:700px){
  #app.admin-page .table-wrap,#app.parent-page .table-wrap{border:0;box-shadow:none;background:transparent;overflow:visible}
  .responsive-table{display:block;min-width:0;width:100%}
  .responsive-table thead{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}
  .responsive-table tbody{display:grid;gap:12px}
  .responsive-table tr{display:block;border:1px solid var(--line);border-radius:20px;background:#fff;box-shadow:0 8px 22px rgba(29,39,67,.05);overflow:hidden}
  .responsive-table td{display:grid;grid-template-columns:96px minmax(0,1fr);gap:12px;align-items:start;min-height:44px;padding:12px 16px;white-space:normal;overflow-wrap:anywhere}
  .responsive-table td:before{content:attr(data-label);color:var(--muted);font-size:12px;font-weight:800}
  .responsive-table td:last-child{border-bottom:0}
  .responsive-table td[colspan]{display:block}
  .responsive-table td[colspan]:before{content:none}
  .responsive-table .row-actions{min-width:0}
}
@media(max-width:600px){
  .topbar{height:60px;padding:0 16px}
  .topbar .brand{font-size:16px}
  .topbar .brand-mark{width:32px;height:32px;font-size:12px}
  .admin-menu,.admin-menu-backdrop{top:60px}
  .page{padding:18px 16px 38px}
  .hero{padding:24px;border-radius:23px}
  .hero h1{font-size:29px;line-height:1.18}
  .login-hero{min-height:184px;padding-right:82px}
  .hero-glyph{right:22px;bottom:22px;width:46px;height:46px;font-size:22px}
  .card{border-radius:20px;padding:20px}
  .section-head{gap:12px}
  .section-head h2{font-size:23px}
  #app.child-page>.grid>.card{padding:20px}
  .question-card{padding:21px}
  .question-card .answer{font-size:15px}
  #learning-feedback .toolbar{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));align-items:stretch}
  #learning-feedback .toolbar .btn{padding:10px 5px;font-size:12px}
  #learning-feedback+.toolbar{display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}
  #app.parent-page .grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}
  #app.parent-page .card.stat{padding:15px}
  #app.parent-page .card.stat strong{font-size:22px}
  #app.admin-page>.section-head:first-child h1{font-size:26px}
  #app.admin-page .section-head h2{font-size:25px}
  dialog{width:calc(100% - 24px);padding:23px}
}