:root{--bg:#f5f7fb;--ink:#172033;--muted:#687086;--card:#fff;--line:#e6eaf2;--accent:#5b5ce2;--good:#138a5b;--bad:#c64848;--warm:#fff6d8}
*{box-sizing:border-box}body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Arial,sans-serif;background:var(--bg);color:var(--ink)}button,textarea,input{font:inherit}.topbar{height:68px;padding:0 max(18px,calc((100% - 1080px)/2));display:flex;align-items:center;justify-content:space-between;background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:2}.topbar strong{font-size:22px}.sub{margin-left:12px;color:var(--muted);font-size:13px}main{max-width:1080px;margin:24px auto;padding:0 18px 60px}.screen{display:none}.screen.active{display:block}.card{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:22px;margin-bottom:18px;box-shadow:0 4px 18px rgba(26,35,68,.04)}.hero{display:flex;justify-content:space-between;align-items:center;background:linear-gradient(135deg,#fff 40%,#eef0ff)}.hero h1{font-size:38px;margin:4px 0 10px}.hero p{max-width:680px;line-height:1.6}.eyebrow{font-size:12px;letter-spacing:.15em;color:var(--accent);font-weight:800}.mascot{font-size:82px;color:var(--accent);font-weight:800;position:relative}.mascot span{font-size:24px;position:absolute;right:-8px;top:4px}.grid3,.grid2{display:grid;gap:16px}.grid3{grid-template-columns:repeat(3,1fr)}.grid2{grid-template-columns:repeat(2,1fr)}.tile{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px;text-align:left;cursor:pointer}.tile:hover{border-color:#b8b9ff;transform:translateY(-1px)}.tile b{display:block;font-size:18px;margin-bottom:6px}.tile span{color:var(--muted)}button{border:none;border-radius:11px;padding:10px 15px;cursor:pointer}.primary{background:var(--accent);color:white;font-weight:700}.secondary{background:#eef0ff;color:#34359b}.ghost{background:#f2f4f8;color:var(--ink)}.action-card{display:flex;align-items:center;justify-content:space-between;gap:12px}.progress-list{display:grid;gap:12px}.progress-row{display:grid;grid-template-columns:110px 1fr 50px;gap:12px;align-items:center}.bar{height:10px;background:#edf0f5;border-radius:99px;overflow:hidden}.bar i{display:block;height:100%;background:var(--accent);border-radius:99px}.session-head{display:flex;align-items:center;justify-content:space-between;margin:8px 0 18px}.session-head>div:nth-child(2){display:flex;flex-direction:column;align-items:center}.session-head span{color:var(--muted);font-size:13px}.question-card{max-width:760px;margin:0 auto 18px}.question-card h2{font-size:30px;line-height:1.3}.pill{display:inline-block;background:#eef0ff;color:#34359b;padding:7px 11px;border-radius:99px;font-size:13px}.visual{font-size:24px;margin-top:16px}.answer-input{width:100%;font-size:24px;padding:15px;border:2px solid var(--line);border-radius:12px;outline:none}.answer-input:focus{border-color:#9698f0}.choice-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.choice{border:2px solid var(--line);background:#fff;padding:15px;text-align:left}.choice.selected{border-color:var(--accent);background:#f3f3ff}.button-row{display:flex;gap:10px;margin-top:16px;flex-wrap:wrap}.feedback{margin-top:16px;padding:14px;border-radius:12px;display:none;line-height:1.5}.feedback.good{display:block;background:#eaf8f2;color:#096641}.feedback.bad{display:block;background:#fff0f0;color:#8c2929}.teaching{max-width:760px;margin:0 auto;background:var(--warm)}.hidden{display:none}.teaching h3{margin-top:0}.step{padding:10px 12px;background:#fff;border-radius:10px;margin:8px 0}.array{display:grid;gap:5px;width:max-content;margin:15px auto}.dot{width:18px;height:18px;background:#5b5ce2;border-radius:50%}.numberline{display:flex;align-items:flex-end;justify-content:center;gap:0;overflow-x:auto;padding:25px 0}.tick{width:48px;text-align:center;border-top:3px solid #333;padding-top:7px;position:relative}.tick:before{content:"";position:absolute;top:-9px;left:50%;height:12px;border-left:2px solid #333}.chat-card{max-width:820px;margin:auto}.chat-log{height:55vh;overflow:auto;padding:6px;display:flex;flex-direction:column;gap:10px}.bubble{padding:12px 14px;border-radius:14px;max-width:82%;line-height:1.55;white-space:pre-wrap}.bubble.tutor{background:#eef0ff;align-self:flex-start}.bubble.student{background:#172033;color:#fff;align-self:flex-end}.chat-input{display:flex;gap:10px;border-top:1px solid var(--line);padding-top:14px}.chat-input textarea{flex:1;resize:vertical;border:1px solid var(--line);border-radius:12px;padding:12px}.metric{font-size:34px;font-weight:800}.muted{color:var(--muted)}table{width:100%;border-collapse:collapse}th,td{text-align:left;border-bottom:1px solid var(--line);padding:10px 8px;font-size:14px}.status{padding:4px 8px;border-radius:20px;font-size:12px}.status.strong{background:#e8f8f1;color:#0c7250}.status.learning{background:#fff4d7;color:#845e00}.status.gap{background:#ffeaea;color:#942d2d}@media(max-width:760px){.grid3,.grid2{grid-template-columns:1fr}.hero h1{font-size:30px}.mascot{display:none}.sub{display:none}.progress-row{grid-template-columns:90px 1fr 45px}.question-card h2{font-size:25px}.choice-grid{grid-template-columns:1fr}.action-card{align-items:flex-start;flex-direction:column}}
.top-actions{display:flex;align-items:center;gap:10px}.reward-chip{display:flex;align-items:center;gap:7px;background:#fff7d6;border:1px solid #f3dfa0;border-radius:999px;padding:7px 11px;font-size:13px}.reward-chip span{font-weight:800;color:#725500}.reward-hero{display:flex;justify-content:space-between;align-items:center;background:linear-gradient(135deg,#fffdf4,#fff4bd)}.reward-big{display:flex;align-items:baseline;gap:16px;margin:4px 0 5px}.reward-big span{font-size:22px;font-weight:800}.reward-big b{font-size:36px;color:#796000}.reward-star{font-size:58px}.session-stats{display:flex;gap:10px;align-items:center}.session-stats>div{background:#fff;border:1px solid var(--line);border-radius:999px;padding:7px 10px;font-weight:700}.reward-pop{margin-top:12px;padding:12px 14px;background:#fff7d6;border:1px solid #f1dd92;border-radius:12px;color:#684f00}.reward-pop b{font-size:18px}.bonus-list{display:flex;flex-wrap:wrap;gap:7px;margin-top:7px}.bonus-pill{background:#fff;border:1px solid #e5cf7b;border-radius:999px;padding:4px 8px;font-size:12px}.reward-breakdown{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.reward-box{padding:15px;border:1px solid var(--line);border-radius:14px;background:#fafbfe}.reward-box b{display:block;font-size:26px;margin-bottom:3px}.celebrate{animation:rewardPulse .55s ease}@keyframes rewardPulse{0%{transform:scale(1)}45%{transform:scale(1.08)}100%{transform:scale(1)}}@media(max-width:760px){.reward-chip b{display:none}.reward-breakdown{grid-template-columns:1fr 1fr}.reward-star{display:none}.reward-big{flex-direction:column;gap:2px}.top-actions{gap:5px}}

.info-link{border:0;background:transparent;text-decoration:underline;cursor:pointer;padding:0;font:inherit}.reward-info{margin-top:10px;padding:12px;border-radius:12px;background:rgba(255,255,255,.65);line-height:1.45}.reward-details{margin-top:10px}.reward-details summary{cursor:pointer;font-weight:700}.hidden{display:none!important}

.user-chip{font-size:13px;font-weight:700}.logout-link{text-decoration:none;display:inline-block}.auth-wrap{min-height:100vh;display:grid;place-items:center;padding:22px}.auth-card{width:min(460px,100%);margin:0}.installer-card{width:min(760px,100%);margin:0}.mascot.small{font-size:52px}.auth-card h1,.installer-card h1{margin-top:4px}.auth-card label,.installer-card label{display:block;font-weight:700;margin:15px 0 6px}.auth-input{font-size:16px;padding:12px}.auth-submit{width:100%;margin-top:18px;padding:13px}.button-link{text-decoration:none;display:inline-block;margin-top:12px}.install-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 16px}.install-grid .wide{grid-column:1/-1}.payout-box{margin-top:18px;border-top:1px solid var(--line);padding-top:14px}.payout-row{display:grid;grid-template-columns:auto 130px 1fr auto;gap:8px;align-items:center}.payout-row input{padding:10px;border:1px solid var(--line);border-radius:10px}.ledger{display:grid;gap:8px}.ledger-row{display:flex;justify-content:space-between;gap:10px;border:1px solid var(--line);padding:10px 12px;border-radius:10px}.ledger-row b{display:block}.ledger-row span,.ledger-row time{font-size:12px;color:var(--muted)}
@media(max-width:760px){.install-grid{grid-template-columns:1fr}.install-grid .wide{grid-column:auto}.payout-row{grid-template-columns:auto 1fr}.payout-row input:nth-of-type(2){grid-column:1/-1}.payout-row button{grid-column:1/-1}.user-chip{display:none}}
.settings-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:14px;margin:14px 0}.settings-grid label{display:flex;flex-direction:column;gap:6px;font-weight:700}.settings-grid input{padding:10px;border:1px solid #ccd2da;border-radius:10px;font:inherit}.settings-grid small{font-weight:400;color:#667085}.settings-history{margin-top:14px}.chat-notice{font-size:.86rem;color:#667085;padding:6px 12px;text-align:center}

.api-status-row{display:flex;gap:16px;align-items:center;justify-content:space-between;flex-wrap:wrap;margin-bottom:12px}.api-settings-grid select{width:100%;min-height:44px;border:1px solid var(--line,#d7dce3);border-radius:10px;padding:10px;background:#fff;font:inherit}.check-label{display:flex!important;align-items:flex-start;gap:10px;flex-wrap:wrap}.check-label input[type=checkbox]{width:20px;height:20px;margin-top:2px}.check-label small{flex-basis:100%}

.tutor-section-title{font-weight:800;margin:14px 0 5px;color:#34359b}.tutor-section-title:first-child{margin-top:0}.tutor-line{margin:3px 0}.tutor-space{height:8px}.tutor-visual{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;white-space:pre-wrap;background:#fff;border:1px solid var(--line);border-radius:10px;padding:10px 12px;margin:7px 0;font-size:16px;line-height:1.5;overflow-x:auto}.bubble.tutor{white-space:normal}.bubble.tutor strong{font-weight:800}

/* v9 visual learning + game-like question presentation */
.challenge-card{position:relative;overflow:hidden;background:linear-gradient(180deg,#fff 0%,#fbfcff 100%)}
.challenge-card:before{content:"";position:absolute;inset:0 0 auto 0;height:6px;background:linear-gradient(90deg,#7c3aed,#2563eb,#16a34a,#f59e0b);opacity:.9}
.question-topline{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:12px}.quest-progress{font-size:13px;font-weight:800;color:#687086;background:#f2f4f8;border-radius:999px;padding:7px 10px}.mission-banner{display:flex;align-items:center;gap:12px;background:linear-gradient(135deg,#f5f3ff,#eef7ff);border:1px solid #dde4ff;border-radius:15px;padding:12px 14px;margin:10px 0 4px}.mission-banner .mission-icon{font-size:28px}.mission-banner b,.mission-banner span{display:block}.mission-banner span{font-size:12px;color:var(--muted);margin-top:2px}.visual-stage{min-height:120px;border:1px dashed #dce2ed;border-radius:18px;background:linear-gradient(145deg,#fafbff,#f7fbff);display:flex;flex-direction:column;align-items:center;justify-content:center;padding:18px;margin:18px 0}.visual-label{font-size:12px;font-weight:900;letter-spacing:.08em;text-transform:uppercase;color:#55607a;margin-bottom:10px}.visual-caption{font-size:13px;color:var(--muted);margin-top:10px}.skill-scene{display:flex;flex-direction:column;align-items:center;text-align:center;gap:5px}.skill-scene>span{font-size:48px;filter:drop-shadow(0 5px 10px rgba(20,30,70,.1))}.skill-scene b{font-size:18px}.skill-scene small{color:var(--muted)}
.choice{display:flex;align-items:center;gap:12px;font-size:18px;font-weight:700;min-height:62px;transition:transform .12s ease,border-color .12s ease,background .12s ease}.choice:hover{transform:translateY(-2px)}.choice-letter{width:34px;height:34px;display:grid;place-items:center;border-radius:10px;background:#f1f3f9;color:#586077;font-weight:900}.choice.selected .choice-letter{background:var(--accent);color:white}.answer-wrap{display:flex;align-items:center;border:2px solid var(--line);border-radius:14px;background:#fff;padding-left:12px}.answer-wrap:focus-within{border-color:#9698f0;box-shadow:0 0 0 4px rgba(91,92,226,.08)}.answer-symbol{font-size:23px}.answer-wrap .answer-input{border:0;box-shadow:none}.answer-wrap .answer-input:focus{border:0}
.fraction-object{display:flex;width:min(430px,94%);height:74px;border:3px solid #30374a;border-radius:14px;overflow:hidden;background:#fff}.fraction-piece{flex:1;border-right:2px solid #30374a;background:#fff}.fraction-piece:last-child{border-right:0}.fraction-piece.on{background:linear-gradient(135deg,#8b5cf6,#6366f1)}
.hundred-grid{display:grid;grid-template-columns:repeat(10,14px);gap:3px;padding:9px;background:#fff;border:1px solid #d8deea;border-radius:12px}.hundred-cell{width:14px;height:14px;border-radius:3px;background:#edf0f5}.hundred-cell.on{background:#6366f1}.tile-grid{display:grid;gap:4px}.tile-cell{width:28px;height:28px;border-radius:5px;background:linear-gradient(135deg,#dbeafe,#bfdbfe);border:1px solid #93c5fd}.balance{display:flex;align-items:center;gap:18px;justify-content:center;flex-wrap:wrap}.beam{font-size:48px}.pan{min-width:110px;min-height:80px;border:2px solid #bac3d4;border-radius:14px;background:#fff;display:flex;align-items:center;justify-content:center;gap:8px;padding:12px}.pan b{font-size:30px}.ball-bag{display:flex;flex-wrap:wrap;gap:7px;max-width:260px;justify-content:center;padding:16px;border:3px solid #a78bfa;border-radius:16px 16px 30px 30px;background:#faf5ff}.ball{width:25px;height:25px;border-radius:50%;display:block}.ball-a{background:#3b82f6}.ball-b{background:#ef4444}
.tutor-welcome{display:flex;align-items:center;gap:12px;padding:11px 13px;margin-bottom:10px;border-radius:14px;background:linear-gradient(135deg,#fff7ed,#f5f3ff);border:1px solid #eee3ff}.tutor-orb{font-size:28px}.tutor-welcome b,.tutor-welcome span{display:block}.tutor-welcome span{font-size:13px;color:var(--muted);margin-top:2px}.tutor-picture{margin:10px 0;padding:14px;border:1px solid #dfe5ef;background:#fff;border-radius:16px;text-align:center}.tutor-picture .fraction-object{margin:0 auto 8px;height:62px}.group-visual{display:flex;flex-wrap:wrap;gap:10px;margin:10px 0;padding:13px;background:#fff;border:1px solid #dfe5ef;border-radius:15px}.mini-group{display:flex;flex-wrap:wrap;gap:4px;width:max-content;max-width:130px;padding:9px;border:2px solid #dbe2ed;border-radius:12px}.mini-group .dot{width:14px;height:14px}.numberline.compact .tick{width:42px}.money-picture,.pizza-picture{display:flex;align-items:center;justify-content:center;gap:12px;flex-wrap:wrap;font-size:20px}.pizza-slice{font-size:30px;opacity:.35}.pizza-slice.on{opacity:1;transform:scale(1.08)}
.confetti-burst{position:fixed;inset:0;pointer-events:none;z-index:9999;overflow:hidden}.confetti-burst i{position:absolute;top:24%;font-style:normal;font-size:24px;animation:confettiFall .9s ease-out forwards}@keyframes confettiFall{0%{transform:translateY(0) rotate(0) scale(.6);opacity:0}20%{opacity:1}100%{transform:translateY(260px) rotate(260deg) scale(1);opacity:0}}
@media (prefers-reduced-motion:reduce){.celebrate,.confetti-burst i{animation:none!important}.choice:hover{transform:none}}
@media(max-width:760px){.visual-stage{min-height:100px;padding:12px}.question-topline{align-items:flex-start}.mission-banner{margin-top:6px}.fraction-object{height:58px}.hundred-grid{grid-template-columns:repeat(10,11px)}.hundred-cell{width:11px;height:11px}.beam{font-size:38px}.pan{min-width:90px}.choice{font-size:17px}.chat-log{height:48vh}}

.school-question-block{margin:18px 0 12px;padding:17px 18px;border:2px solid #d8dced;border-radius:16px;background:#fff}.school-label,.sense-label{font-size:12px;font-weight:900;letter-spacing:.06em;text-transform:uppercase;color:#55607a}.school-question-block h2{margin:8px 0 0}.sense-label{margin-top:18px;color:#6c4c13}.easy-meaning{font-size:16px;line-height:1.55;background:#fff8df;border:1px solid #f0df9f;border-radius:12px;padding:12px 14px;margin-top:8px}.visual-stage{margin-top:10px}.school-bridge{background:#f6f7fb;border-left:4px solid var(--accent);padding:12px 14px;border-radius:10px;margin:10px 0}.school-bridge b{display:block;margin-bottom:4px}.school-connection{background:#eef8ff;border:1px solid #d3e9f8;border-radius:10px;padding:10px 12px;margin:10px 0}

.preview-banner{padding:10px 16px;text-align:center;background:#fff4cf;border-bottom:1px solid #e6cf73;color:#4a3a00;font-size:14px}.preview-banner a{font-weight:800;color:inherit;margin-left:10px}
/* v12 learning-flow navigation */
.tutor-nav{display:flex;gap:8px;flex-wrap:wrap}.retry-note{padding:10px 12px;border:1px solid var(--border,#d7dde8);border-radius:12px;background:var(--panel,#f7f9fc);font-weight:700}.answer-reveal{margin:10px 0}.tutor-return-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px;padding-top:12px;border-top:1px solid var(--border,#d7dde8)}
@media(max-width:560px){.tutor-nav{width:100%}.tutor-nav .ghost{flex:1}.tutor-return-row button{width:100%}}
/* v13 visual reliability + richer teaching graphics */
.picture-title{font-size:12px;font-weight:900;letter-spacing:.06em;text-transform:uppercase;color:#55607a;margin-bottom:10px}.group-visual{justify-content:center}.mini-group{min-width:88px;flex-direction:column;align-items:center}.mini-group .dots{display:flex;flex-wrap:wrap;justify-content:center;gap:5px;max-width:78px}.group-number{display:block;font-size:11px;font-weight:800;color:#6a7288;margin-bottom:5px}.picture-equation{margin-top:10px;font-size:18px;font-weight:900;text-align:center}.money-row,.pizza-row{display:flex;align-items:center;justify-content:center;gap:10px;flex-wrap:wrap}.money-card{padding:10px 16px;border:2px solid #334155;border-radius:12px;font-size:22px;font-weight:900;background:#f8fafc}.coin{display:inline-flex;align-items:center;justify-content:center;width:58px;height:58px;border:3px solid #6b7280;border-radius:50%;font-weight:900;background:#f3f4f6}.tutor-section-title{margin-top:14px;padding:8px 10px;border-radius:10px;background:#eef3ff;font-size:13px;font-weight:900;letter-spacing:.05em}.tutor-line{line-height:1.55}.tutor-picture{overflow:hidden}.visual-stage .array{justify-content:center}

.visual-load-error{display:flex;flex-direction:column;align-items:center;text-align:center;gap:8px;padding:10px;max-width:520px}.visual-load-error b{font-size:18px}.visual-load-error span{color:var(--muted)}

/* v15 full child-friendly learning flow */
.session-stats{flex-wrap:wrap}.session-stats #roundStat{font-weight:800;color:#4b5563;background:#eef2ff;border-radius:999px;padding:7px 10px}
.hint-level{display:flex;flex-direction:column;gap:3px;padding:12px 14px;border-radius:14px;background:#eef6ff;border:1px solid #cfe3ff;margin-bottom:12px}.hint-level span{font-size:13px;color:var(--muted)}
.mini-visual-wrap{margin:14px 0;padding:16px;border:2px solid #d9e2f2;border-radius:18px;background:linear-gradient(145deg,#fff,#f6faff)}.fraction-object.mini{height:62px;margin:0 auto;max-width:430px}.compact-groups{justify-content:center}.help-loading{padding:18px;text-align:center;font-weight:800;background:#f5f3ff;border-radius:14px}.teaching .tutor-section-title{font-size:14px}.teaching .tutor-picture{background:#fff}.status.notchecked{background:#f3f4f6;color:#4b5563}
.learning-round-complete{padding:18px;border-radius:18px;background:linear-gradient(135deg,#ecfdf5,#eff6ff);border:1px solid #bfdbfe;text-align:center}.learning-round-complete b{font-size:20px;display:block;margin-bottom:5px}
@media(max-width:760px){.session-stats{justify-content:flex-start}.session-stats #roundStat{order:-1;width:100%;text-align:center}.mini-visual-wrap{padding:12px}}

/* v17 expandable progress detail */
.strand-accordion{display:grid;gap:12px}
.strand-card{border:1px solid var(--border,#dbe2ea);border-radius:16px;background:var(--card,#fff);overflow:hidden}
.strand-toggle{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:15px 16px;border:0;background:transparent;color:inherit;text-align:left;cursor:pointer;min-height:64px}
.strand-toggle:hover{background:rgba(127,127,127,.06)}
.strand-toggle:focus-visible{outline:3px solid rgba(59,130,246,.35);outline-offset:-3px}
.strand-heading{display:flex;align-items:center;gap:10px;min-width:0}
.strand-heading b{font-size:1.05rem}
.strand-heading small{display:block;color:var(--muted,#667085);font-weight:500;margin-top:2px}
.strand-chevron{font-size:28px;line-height:1;transition:transform .18s ease;color:var(--muted,#667085)}
.strand-card.open .strand-chevron{transform:rotate(90deg)}
.strand-summary{display:flex;align-items:center;justify-content:flex-end;gap:10px;flex-wrap:wrap}
.strand-overview-bar{height:5px;border-radius:0;margin:0}
.strand-details{border-top:1px solid var(--border,#e4e7ec);padding:8px 16px 16px}
.skill-list{display:grid;gap:0}
.skill-progress-row{padding:13px 0;border-bottom:1px solid var(--border,#eef1f4)}
.skill-progress-row:last-child{border-bottom:0}
.skill-progress-main,.skill-progress-meta{display:flex;justify-content:space-between;align-items:center;gap:12px}
.skill-progress-main b{font-size:.98rem}
.skill-progress-meta{color:var(--muted,#667085);font-size:.83rem;margin:5px 0 7px}
.skill-bar{height:7px}
.status{display:inline-flex;align-items:center;border-radius:999px;padding:4px 8px;font-size:.77rem;font-weight:700;white-space:nowrap}
.status.notchecked{background:rgba(127,127,127,.12);color:var(--muted,#667085)}
.status.gap{background:rgba(239,68,68,.12);color:#b42318}
.status.learning{background:rgba(245,158,11,.14);color:#9a6700}
.status.strong{background:rgba(34,197,94,.13);color:#18713b}
@media(max-width:640px){.strand-toggle{align-items:flex-start;flex-direction:column;gap:9px}.strand-summary{justify-content:flex-start;padding-left:38px}.skill-progress-main{align-items:flex-start;flex-direction:column;gap:6px}}
.admin-skill-groups{display:grid;gap:12px;margin-top:14px}
.admin-skill-strand{border:1px solid var(--border,#dbe2ea);border-radius:14px;overflow:hidden}
.admin-skill-strand>summary{list-style:none;cursor:pointer;padding:14px 16px;display:flex;justify-content:space-between;align-items:center;gap:16px;background:rgba(127,127,127,.035)}
.admin-skill-strand>summary::-webkit-details-marker{display:none}
.admin-skill-strand>summary span:first-child small{display:block;color:var(--muted,#667085);font-weight:500;margin-top:2px}
.admin-skill-strand>summary:before{content:'›';font-size:24px;margin-right:8px;color:var(--muted,#667085)}
.admin-skill-strand[open]>summary:before{transform:rotate(90deg)}
.admin-skill-strand>summary span:first-child{flex:1}
.admin-skill-strand .admin-table-wrap{border-top:1px solid var(--border,#e4e7ec)}

/* v18: multiplication split visuals */
.split-multiply{display:grid;gap:14px}.split-part{border:1px solid var(--border,#d9dfef);border-radius:14px;padding:12px;background:#fff}.group-visual.split{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}.mini-group.compact{min-width:72px;padding:7px}.ten-group-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:9px}.ten-group-card{border:1px solid #d9dfef;border-radius:12px;padding:10px 12px;display:flex;flex-direction:column;gap:4px;background:#f8f9ff}.ten-group-card span{font-weight:800;font-size:1.05rem}.picture-equation{margin-top:12px;font-weight:800;text-align:center;font-size:1.05rem}
/* v19 question-integrity visuals */
.percent-whole{max-width:620px;margin:0 auto;display:grid;gap:10px}.percent-whole-label{text-align:center;font-size:1.05rem}.percent-parts{display:grid;gap:4px}.percent-part{min-height:52px;border:2px solid #d8def5;border-radius:8px;background:#f5f7fb;display:flex;align-items:center;justify-content:center}.percent-part.on{background:#6065e9;border-color:#4f54dc;color:white}.percent-part small{font-size:.72rem}.share-visual{display:flex;gap:10px;flex-wrap:wrap;justify-content:center}.share-box{min-width:90px;min-height:70px;border:2px dashed #9da8cf;border-radius:12px;display:flex;flex-direction:column;justify-content:center;align-items:center;background:#fff}.share-box span{font-size:.8rem;color:#67708c}.integer-line{display:flex;align-items:flex-start;overflow-x:auto;padding:18px 6px 4px;gap:0}.int-tick{min-width:34px;text-align:center;position:relative;border-top:3px solid #6b7280}.int-tick i{width:2px;height:10px;background:#6b7280;display:block;margin:-3px auto 3px}.int-tick.start{font-weight:800;color:#4f46e5}.int-tick.start i{height:18px;background:#4f46e5}.rect-dims{position:relative;width:260px;height:160px;margin:20px auto 10px}.rect-shape{position:absolute;inset:18px 30px;border:4px solid #5762dd;border-radius:8px;background:#f7f8ff}.dim{position:absolute;font-weight:700}.dim.top{top:0;left:50%;transform:translateX(-50%)}.dim.side{right:0;top:50%;transform:translateY(-50%) rotate(90deg)}.prism-simple{width:280px;min-height:140px;margin:16px auto;position:relative;display:flex;align-items:center;justify-content:center}.prism-face{border:4px solid #5962d8;background:#f7f8ff;padding:36px 48px;transform:skewY(-8deg);font-weight:700}.prism-height{position:absolute;right:-10px;top:50%;font-weight:700}.straight-angle{position:relative;height:150px;max-width:380px;margin:10px auto}.angle-line{position:absolute;left:20px;right:20px;bottom:30px;height:4px;background:#4b5563}.angle-ray{position:absolute;width:145px;height:4px;background:#5962d8;left:50%;bottom:30px;transform-origin:left center;transform:rotate(-52deg)}.known-angle,.unknown-angle{position:absolute;font-weight:800;font-size:1.05rem}.known-angle{left:42%;bottom:55px}.unknown-angle{right:18%;bottom:55px}.parallel-diagram{position:relative;height:190px;max-width:360px;margin:0 auto}.parallel{position:absolute;left:35px;right:35px;height:4px;background:#4b5563}.parallel.p1{top:55px}.parallel.p2{top:130px}.transversal{position:absolute;width:220px;height:4px;background:#5962d8;left:80px;top:95px;transform:rotate(62deg)}.pa-known,.pa-unknown{position:absolute;font-weight:800}.pa-known{left:120px;top:34px}.pa-unknown{right:90px;top:108px}.mini-bars{height:150px;display:flex;align-items:flex-end;justify-content:center;gap:16px;padding:10px}.mini-bar-item{display:flex;flex-direction:column;align-items:center;gap:4px}.mini-bar{width:30px;background:#6065e9;border-radius:6px 6px 0 0}.ordered-values,.die-faces{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;margin:12px 0}.ordered-values span,.die-faces span{min-width:48px;padding:10px;border:2px solid #d8def5;border-radius:10px;text-align:center;background:#fff;font-weight:700}
@media(max-width:600px){.percent-part{min-height:40px}.rect-dims{width:220px}.prism-simple{width:230px}.mini-bars{gap:10px}}

/* v20: child-friendly tap-a-word help */
.math-word{appearance:none;border:0;background:transparent;padding:0 2px;margin:0;font:inherit;color:inherit;font-weight:700;text-decoration:underline;text-decoration-style:dotted;text-decoration-thickness:2px;text-underline-offset:3px;cursor:pointer;border-radius:5px;min-height:0;line-height:inherit}
.math-word:hover,.math-word:focus{background:#fff3b8;outline:2px solid #f0b429;outline-offset:1px;text-decoration:none}
.school-question-block .math-word,.easy-meaning .math-word,.teaching .math-word,.bubble .math-word{color:#3b3fd8}
.word-help-overlay{position:fixed;inset:0;z-index:9999;background:rgba(20,24,40,.55);display:flex;align-items:center;justify-content:center;padding:18px}
.word-help-overlay.hidden{display:none}
.word-help-card{position:relative;width:min(520px,100%);max-height:90vh;overflow:auto;background:#fff;border:3px solid #6867ef;border-radius:22px;padding:24px;box-shadow:0 18px 60px rgba(0,0,0,.25);color:#17203a}
.word-help-close{position:absolute;right:12px;top:10px;border:0;background:#eef0ff;border-radius:999px;width:42px;height:42px;font-size:28px;line-height:1;cursor:pointer;color:#3037a8}
.word-help-kicker{font-size:12px;font-weight:900;letter-spacing:.08em;color:#5557be;margin-bottom:8px}
.word-help-card h2{margin:0 46px 12px 0;font-size:25px;line-height:1.15}
.word-help-simple{font-size:19px;line-height:1.45;font-weight:650;background:#fff8d9;border:1px solid #f0d46b;border-radius:14px;padding:14px 16px}
.word-help-visual{margin:14px 0;background:#f7f8ff;border:1px solid #dce0ff;border-radius:14px;padding:15px;text-align:center;display:flex;flex-direction:column;gap:9px;align-items:center}
.word-help-example{margin:12px 0 18px;display:flex;flex-direction:column;gap:4px;font-size:16px;line-height:1.4}
.word-help-example b{color:#4a4cb7}.word-help-card>.primary{width:100%;min-height:48px}
.wh-numberline{display:flex;gap:0;align-items:flex-end;border-bottom:3px solid #3f4773;padding:8px 8px 0}.wh-numberline span,.wh-numberline b{min-width:42px;padding-bottom:8px;position:relative}.wh-numberline span:after,.wh-numberline b:after{content:'';position:absolute;width:2px;height:8px;background:#3f4773;bottom:-5px;left:50%}.wh-numberline b{color:#5b5ee8;font-size:20px}
.wh-whole{display:flex;align-items:center;gap:16px}.wh-pizza{font-size:54px}.wh-whole div:last-child{display:flex;flex-direction:column;font-size:18px}.wh-whole span{font-weight:500;color:#667}
.wh-fraction{display:grid;grid-template-columns:repeat(4,52px);gap:5px}.wh-fraction span{height:42px;border:2px solid #6c70dc;border-radius:7px;background:#fff}.wh-fraction span.on{background:#696cef}.wh-eq{font-size:22px}
.wh-percent{display:grid;grid-template-columns:repeat(5,42px);gap:5px}.wh-percent span{height:38px;border-radius:6px;background:#e7e9f4}.wh-percent span.on{background:#676bec}
.wh-dots{display:flex;gap:14px;align-items:center;justify-content:center;font-size:23px;flex-wrap:wrap}.wh-dots>span{display:block}
.wh-big-example{font-size:20px;font-weight:750;padding:8px 12px;border-radius:10px;background:#fff}
.wh-balance{display:flex;align-items:center;gap:16px;font-size:22px;font-weight:800}.wh-balance span{padding:10px 14px;border:2px solid #6d70de;border-radius:10px;background:#fff}
.wh-rect{position:relative;width:150px;height:90px;border:4px solid #6267d9;margin:16px}.wh-rect .top{position:absolute;top:-28px;left:60px}.wh-rect .side{position:absolute;left:-26px;top:34px}
.wh-grid{display:grid;grid-template-columns:repeat(4,28px);gap:3px}.wh-grid.small{grid-template-columns:repeat(3,32px)}.wh-grid i{width:28px;height:28px;background:#7376ea;border-radius:4px}.wh-grid.small i{width:32px;height:32px}
.wh-angle{font-size:52px;color:#5d61d6}.wh-angle b{font-size:20px;color:#17203a}
.wh-parallel{display:flex;gap:24px;width:190px}.wh-parallel i{display:block;height:4px;background:#6065dc;flex:1;transform:rotate(-10deg)}
@media(max-width:540px){.word-help-card{padding:20px 16px}.word-help-simple{font-size:17px}.wh-fraction{grid-template-columns:repeat(4,42px)}.wh-fraction span{height:36px}.wh-numberline span,.wh-numberline b{min-width:34px}.math-word{padding:0 1px}}
.word-help-actions{display:flex;gap:10px;flex-wrap:wrap}.word-help-actions button{flex:1;min-width:180px;min-height:48px}.word-help-ai{margin:12px 0;padding:12px;border-radius:13px;background:#f3f6ff;border:1px solid #d9defa}.word-help-ai .tutor-section-title{margin-top:8px}.wh-shape-box{font-size:70px;line-height:1;color:#6267df}.wh-symmetry{display:flex;align-items:center;gap:10px;font-size:44px}.wh-symmetry i{height:60px;width:3px;background:#6267df}.wh-bars{height:70px;display:flex;align-items:flex-end;gap:8px}.wh-bars i{display:block;width:28px;background:#6c70e5;border-radius:5px 5px 0 0}.wh-mini-table{display:grid;grid-template-columns:repeat(2,48px);gap:3px}.wh-mini-table span{border:2px solid #777be7;padding:8px;background:#fff;font-weight:800}
.word-help-actions{display:flex;gap:10px;flex-wrap:wrap}.word-help-actions button{flex:1;min-width:180px;min-height:48px}.word-help-ai{margin:12px 0;padding:12px;border-radius:13px;background:#f3f6ff;border:1px solid #d9defa}.word-help-ai .tutor-section-title{margin-top:8px}.wh-shape-box{font-size:70px;line-height:1;color:#6267df}.wh-symmetry{display:flex;align-items:center;gap:10px;font-size:44px}.wh-symmetry i{height:60px;width:3px;background:#6267df}.wh-bars{height:70px;display:flex;align-items:flex-end;gap:8px}.wh-bars i{display:block;width:28px;background:#6c70e5;border-radius:5px 5px 0 0}.wh-mini-table{display:grid;grid-template-columns:repeat(2,48px);gap:3px}.wh-mini-table span{border:2px solid #777be7;padding:8px;background:#fff;font-weight:800}
.word-help-tip{font-size:12px;font-weight:650;color:#686b82;margin-left:8px;text-transform:none;letter-spacing:0}@media(max-width:620px){.word-help-tip{display:block;margin:5px 0 0}}

/* v22 integer movement clarity */
.integer-moves{display:flex;justify-content:center;gap:4px;flex-wrap:wrap;margin:6px 0 10px;font-weight:800;color:#4f46e5}.int-tick.path{color:#4f46e5}.int-tick.path i{background:#8b8ff0}.int-tick.landing{font-weight:900;color:#16825d}.int-tick.landing i{height:18px;background:#16825d}.tick-note{display:block;font-size:.58rem;margin-top:2px;letter-spacing:.04em}.int-tick.start .tick-note{color:#4f46e5}.int-tick.landing .tick-note{color:#16825d}

.percent-calc{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:10px}.percent-calc>div{border:2px solid #d8def5;border-radius:10px;background:#fff;padding:10px;display:grid;gap:4px;text-align:center}.percent-calc span{font-size:.86rem;color:#596078}.percent-calc strong{font-size:1rem}@media(max-width:600px){.percent-calc{grid-template-columns:1fr}}
/* v29 equivalent-fraction and fraction-operation visuals */
.equiv-visual{display:grid;grid-template-columns:minmax(120px,1fr) minmax(170px,1.2fr) minmax(120px,1fr);gap:14px;align-items:center;width:100%;max-width:720px;margin:10px auto}.equiv-side{display:grid;gap:8px;text-align:center}.equiv-side>b{font-size:1.35rem}.equiv-arrows{display:grid;gap:7px;text-align:center;padding:12px;border:1px solid #d8def5;border-radius:14px;background:#f8f9ff}.equiv-arrows strong{font-size:1.4rem}.mystery-bar{border:2px dashed #9aa7d8;border-radius:12px;padding:16px 8px;background:#fff;color:#59607a}.fraction-add-visual{display:flex;gap:12px;align-items:center;justify-content:center;flex-wrap:wrap}.fraction-add-visual>div{display:grid;gap:6px;text-align:center;min-width:160px}.fraction-add-visual>strong{font-size:1.6rem}@media(max-width:620px){.equiv-visual{grid-template-columns:1fr}.equiv-arrows strong{transform:rotate(90deg)}}
/* v33 smoother assessment/practice flow */
.topic-hub-card{margin-top:18px}.topic-hub-head h2{margin:.15rem 0 .35rem}.topic-hub{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:14px;margin-top:14px}.topic-card{border:1px solid var(--line);border-radius:16px;padding:16px;background:var(--card,#fff);display:flex;flex-direction:column;gap:12px;min-width:0}.topic-card-title{display:flex;gap:12px;align-items:flex-start}.topic-card-title h3{margin:0 0 4px}.topic-card-title p{margin:0;color:var(--muted);font-size:.94rem;line-height:1.4}.topic-icon{font-size:1.8rem;line-height:1}.topic-status{font-weight:800}.topic-win{background:#eef9f2;border-radius:10px;padding:9px 10px;font-size:.9rem}.progress-result{display:flex;gap:12px;align-items:center;margin:12px 0}.progress-result strong{font-size:2rem}.improvement-box{margin:12px 0;padding:12px;border-radius:12px;background:#f2f7ff}.improvement-box>div{margin-top:5px}@media(max-width:520px){.topic-hub{grid-template-columns:1fr}.topic-card .button-row{display:grid;grid-template-columns:1fr}.topic-card .button-row button{width:100%}}

/* v33 practice answer reveal */
.correct-answer-card{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin:12px 0;padding:12px 14px;border:2px solid var(--line,#d9e2ec);border-radius:14px;background:#fff}.correct-answer-card span{font-weight:700}.correct-answer-card strong{font-size:1.35em;padding:4px 10px;border-radius:10px;background:#eef8f2}

/* v34 child-first help: one visual + one short method at a time */
.simple-help-head{display:flex;flex-direction:column;gap:4px;padding:14px 16px;margin-bottom:12px;border-radius:14px;background:#fff7d6;font-size:1rem}.simple-help-head b{font-size:1.2rem}.simple-help-head span{color:#536078}
.simple-first-visual{margin:0 0 14px}.simple-help-copy{font-size:1.02rem;line-height:1.55}.simple-help-copy .tutor-section-title{margin-top:14px;font-size:.82rem;letter-spacing:.05em}.simple-help-copy .tutor-line{margin:5px 0}.simple-help-copy h3{font-size:1.15rem;margin:10px 0}.simple-help-copy .worked-step{display:flex;flex-direction:column;gap:4px;padding:11px 13px;margin:8px 0;border:1px solid #dbe4f3;border-radius:12px;background:#fff}.simple-help-actions{margin-top:14px}
.subtraction-path{display:flex;align-items:center;justify-content:center;gap:9px;flex-wrap:wrap;padding:16px 8px}.sub-node{min-width:64px;padding:10px 12px;text-align:center;border-radius:12px;background:#fff;border:2px solid #d9e0ef}.sub-node.start{border-color:#6558e8}.sub-node b{display:block;font-size:1.35rem}.sub-node small{display:block;font-size:.68rem;letter-spacing:.08em;color:#5c6680}.sub-arrow{display:flex;flex-direction:column;align-items:center;font-weight:800;color:#424d66}.sub-arrow span{font-size:.78rem;background:#fff2b7;padding:3px 8px;border-radius:999px}.sub-arrow{font-size:1.35rem}
@media(max-width:600px){.subtraction-path{gap:5px}.sub-node{min-width:52px;padding:8px}.sub-arrow span{font-size:.7rem}.simple-help-copy{font-size:1rem}}

/* v35: keep tutor help short and progressive */
.tutor-quick-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}.tutor-quick-actions button{min-height:42px}.chat-log .bubble.tutor{max-width:86%}.chat-log .tutor-section-title{margin-top:10px}.chat-log .tutor-space{height:4px}
/* v39 student reward guide + mastery map */
.progress-hero,.reward-guide-hero{display:flex;align-items:center;justify-content:space-between;gap:18px}.progress-count{font-size:1.05rem;font-weight:800;padding:10px 14px;border-radius:999px;background:#f4f6f9;border:1px solid #dfe4ea;white-space:nowrap}.reward-guide-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:14px 0}.reward-rule-card{display:flex;gap:12px;align-items:flex-start;padding:16px;border:1px solid #dde3ea;border-radius:16px;background:#fff}.reward-rule-icon{font-size:1.7rem;line-height:1}.reward-rule-main{min-width:0}.reward-rule-main>b{display:block;font-size:1rem}.reward-rule-value{font-weight:800;font-size:1.1rem;margin:5px 0}.reward-rule-value span{font-weight:700;color:#4c5968;margin-left:6px}.reward-rule-main p{margin:4px 0 0;color:#5d6875;line-height:1.45}.reward-rule-note{grid-column:1/-1}.student-topic-progress{margin-top:14px}.student-topic-head{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-bottom:12px}.student-topic-head>div:first-child{display:flex;gap:10px;align-items:center}.student-topic-head h3,.student-topic-head p{margin:0}.topic-master-count{font-weight:900;font-size:1.15rem}.student-skill-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.student-skill-card{border:1px solid #dde3ea;border-radius:15px;padding:14px;background:#fff;min-width:0}.student-skill-card.is-mastered{border-width:2px}.student-skill-title{display:flex;align-items:flex-start;justify-content:space-between;gap:8px}.student-skill-title b{min-width:0}.student-skill-title span{font-size:.82rem;font-weight:800;padding:4px 8px;border-radius:999px;background:#f2f4f7;white-space:nowrap}.mastery-meter{height:12px;border-radius:999px;background:#e9edf2;overflow:hidden;margin:12px 0 6px}.mastery-meter i{display:block;height:100%;background:currentColor;border-radius:999px}.mastery-percent{display:flex;align-items:baseline;gap:7px}.mastery-percent strong{font-size:1.25rem}.mastery-percent span{font-size:.82rem;color:#687483}.student-skill-card p{margin:8px 0;color:#505c69;line-height:1.4}.skill-evidence,.skill-bonus-line{font-size:.82rem;color:#66717f;margin-top:6px}.skill-bonus-line{font-weight:700}.progress-practice-btn{margin-top:12px;width:100%}@media(max-width:720px){.reward-guide-grid,.student-skill-grid{grid-template-columns:1fr}.progress-hero,.reward-guide-hero{align-items:flex-start}.student-skill-title{flex-direction:column}.student-skill-title span{white-space:normal}}
\n\n/* v41 real maths game mode */\n.game-hero{display:flex;align-items:center;justify-content:space-between;gap:20px}.game-hero-icon{font-size:64px}.game-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin:14px 0}.game-card{min-height:130px;text-align:left;border:1px solid var(--border,#dfe4ea);border-radius:18px;padding:18px;background:var(--card,#fff);cursor:pointer}.game-card b{display:block;font-size:1.15rem;margin-bottom:8px}.game-card span{display:block;line-height:1.45}.game-status{padding:14px 18px}.game-status-head{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-bottom:10px}.game-status small{display:block;margin-top:8px}.game-meter{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:10px}.game-meter>div{height:16px;border-radius:999px;background:#e9edf2;overflow:hidden}.game-meter i{display:block;height:100%;background:#7d56c2;border-radius:999px}.treasure-track{display:grid;grid-template-columns:repeat(8,1fr);gap:7px;align-items:center}.treasure-track span{height:36px;display:grid;place-items:center;border-radius:999px;background:#edf0f5}.treasure-track span.done{background:#d8f2df}.game-big-stat{font-size:2rem;font-weight:800}.game-big-stat span{display:block;font-size:.85rem;font-weight:500}.game-complete strong{font-size:1.05rem}@media(max-width:650px){.game-grid{grid-template-columns:1fr}.game-status-head{align-items:flex-start;flex-direction:column}.game-meter{grid-template-columns:1fr auto}.game-meter>span{grid-column:1/-1}.game-hero-icon{font-size:46px}}\n

/* v42 choose-topic-first games */
.game-topic-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:14px 0 18px}.game-topic-card{min-height:132px;text-align:left;border:1px solid var(--border,#dfe4ea);border-radius:18px;padding:16px;background:var(--card,#fff);cursor:pointer;display:flex;flex-direction:column;gap:7px}.game-topic-card:hover,.game-topic-card:focus-visible{border-color:var(--primary,#7654bd);outline:none}.game-topic-icon{font-size:1.8rem}.game-topic-card b{font-size:1.05rem}.game-topic-card small{line-height:1.35;color:var(--muted,#697386)}.game-choice-head{display:flex;gap:18px;align-items:flex-start;margin-top:14px}.game-choice-head .ghost{flex:0 0 auto}.game-choice-head h2{margin:.2rem 0}.game-status-head>div small{margin-top:2px}@media(max-width:760px){.game-topic-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:520px){.game-topic-grid{grid-template-columns:1fr}.game-choice-head{flex-direction:column}.game-topic-card{min-height:110px}}

/* v62.1 exact-skill practice picker */
.topic-skill-picker{margin-top:2px;border-top:1px solid var(--line);padding-top:10px}.topic-skill-picker summary{cursor:pointer;font-weight:800;color:#34359b}.topic-skill-buttons{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}.topic-skill-buttons button{padding:8px 10px;font-size:.9rem}.topic-skill-buttons button:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

/* v65 Step-by-step Working + Mistake Intelligence */
.working-box{margin-top:14px;border:1px solid var(--line);border-radius:13px;padding:11px 13px;background:#fafbfe}.working-box summary{cursor:pointer}.working-box summary span{font-size:.82rem;color:var(--muted);font-weight:500}.working-box label{display:block;font-weight:700;margin:12px 0 6px}.working-box textarea{width:100%;resize:vertical;min-height:96px;border:1px solid var(--line);border-radius:11px;padding:11px;line-height:1.45;background:#fff}.working-box textarea:focus{outline:none;border-color:#9698f0;box-shadow:0 0 0 4px rgba(91,92,226,.08)}.mistake-watch,.mistake-result,.mistake-coach{display:flex;flex-direction:column;gap:5px;border:1px solid #e1d7ad;border-radius:12px;padding:11px 13px;margin:12px 0;background:#fffaf0;color:var(--ink)}.mistake-watch span,.mistake-result .muted,.mistake-coach span{color:var(--muted)}.mistake-result{border-color:#edcaca;background:#fff8f8}.mistake-coach{border-color:#cdd7f7;background:#f8f9ff}