:root{--brand:#111827;--brand-dark:#000000;--brand-tint:#f3f4f6;--brand-tint-2:#e5e7eb;--card:#ffffff;--hl-coral:#ea580c;--hl-pink:#db2777;--hl-sky:#0284c7;--hl-violet:#7c3aed;--accent:#d97706;--accent-tint:#fef3c7;--ink:#0f172a;--body:#334155;--muted:#64748b;--line:#e2e8f0;--surface:#f8fafc;--bg:#ffffff;--success:#16a34a;--warn:#d97706;--danger:#dc2626;--radius:12px;--radius-sm:8px;--shadow:0 1px 2px rgba(15,23,42,0.06),0 8px 24px rgba(15,23,42,0.06);--shadow-sm:0 1px 2px rgba(15,23,42,0.08);--maxw:1120px}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;color:var(--body);background:radial-gradient(900px 520px at 7% -6%,#fff3d4 0,rgba(255,243,212,0) 60%),radial-gradient(820px 480px at 99% -2%,#ffe1ec 0,rgba(255,225,236,0) 58%),radial-gradient(760px 540px at -4% 102%,#d6f6e6 0,rgba(214,246,230,0) 60%),radial-gradient(940px 560px at 104% 104%,#dbecff 0,rgba(219,236,255,0) 60%),#fdfdfb;line-height:1.6;font-size:16px}h1,h2,h3,h4{color:var(--ink);line-height:1.15;margin:0 0 .5em;font-family:var(--font-display,system-ui),system-ui,sans-serif;font-weight:800}h1{font-size:clamp(2rem,4.5vw,3.2rem);letter-spacing:-.025em}h2{font-size:clamp(1.5rem,3vw,2.1rem);letter-spacing:-.02em}h3{font-size:1.18rem;letter-spacing:-.01em;font-weight:700}p{margin:0 0 1rem}a{color:var(--brand);text-decoration:none}a:hover{text-decoration:underline}small{color:var(--muted)}code{background:var(--surface);padding:.1em .4em;border-radius:6px;font-size:.85em}.container{max-width:var(--maxw);margin:0 auto;padding:0 20px}.container-narrow{max-width:760px;margin:0 auto;padding:0 20px}.section{padding:56px 0}@media (max-width:720px){.section{padding:32px 0}.container,.container-narrow{padding:0 16px}}.section-tint{background:rgba(255,255,255,.5)}.hl-coral{color:var(--hl-coral)}.hl-pink{color:var(--hl-pink)}.hl-sky{color:var(--hl-sky)}.hl-violet{color:var(--hl-violet)}.grid{display:grid;grid-gap:20px;gap:20px}@media (min-width:720px){.grid-2{grid-template-columns:1fr 1fr}.grid-3{grid-template-columns:repeat(3,1fr)}}.center{text-align:center}.muted{color:var(--muted)}.stack>*+*{margin-top:12px}.site-header{position:-webkit-sticky;position:sticky;top:0;z-index:50;background:rgba(255,255,255,.9);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}.site-header .inner{gap:20px;height:60px}.brand,.site-header .inner{display:flex;align-items:center}.brand{gap:10px;font-weight:800;color:var(--ink);font-size:1.32rem;font-family:var(--font-display,system-ui),system-ui,sans-serif;letter-spacing:-.035em}.brand-mark{width:32px;height:32px;border-radius:9px;background:var(--ink);display:grid;place-items:center;flex:none}.brand-word{color:var(--ink)}.brand:hover{text-decoration:none}.nav{display:none;gap:18px;margin-left:auto;align-items:center}.nav a{color:var(--body);font-weight:500;font-size:.95rem}.nav a:hover{color:var(--brand);text-decoration:none}@media (min-width:860px){.nav{display:flex}}.nav-cta{margin-left:auto}@media (min-width:860px){.nav-cta{margin-left:0}}.usermenu{position:relative}.usermenu summary{list-style:none;cursor:pointer}.usermenu summary::-webkit-details-marker{display:none}.usermenu-btn{display:inline-flex;align-items:center;gap:8px;padding:7px 14px 7px 8px;border:1px solid var(--line);border-radius:999px;font-weight:600;font-size:.92rem;color:var(--ink);background:#fff}.usermenu-btn:hover{border-color:var(--ink)}.usermenu-avatar{width:26px;height:26px;border-radius:50%;background:var(--ink);color:var(--bg);display:grid;place-items:center;font-size:.8rem;font-weight:700}.usermenu-panel{position:absolute;right:0;top:calc(100% + 8px);min-width:184px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);padding:6px;display:flex;flex-direction:column;z-index:60}.usermenu-panel a,.usermenu-panel button{text-align:left;padding:9px 12px;border-radius:8px;font-size:.92rem;color:var(--body);background:none;border:0;cursor:pointer;font:inherit}.usermenu-panel a:hover,.usermenu-panel button:hover{background:var(--surface);color:var(--ink);text-decoration:none}.admin-subnav{display:flex;overflow-x:auto;gap:0;border-bottom:1px solid var(--line);background:var(--bg);scrollbar-width:none}.admin-subnav::-webkit-scrollbar{display:none}.admin-subnav-tab{display:inline-flex;align-items:center;gap:6px;padding:10px 14px;font-size:.88rem;font-weight:500;color:var(--muted);white-space:nowrap;border-bottom:2px solid transparent;margin-bottom:-1px;text-decoration:none;flex-shrink:0}.admin-subnav-tab:hover{color:var(--ink);text-decoration:none}.admin-subnav-tab.active{color:var(--ink);border-bottom-color:var(--ink)}.admin-subnav-tab .ti{font-size:14px}[data-theme=dark] .admin-subnav{background:var(--card)}.subj-tabs{display:flex;gap:6px;flex-wrap:wrap;border-bottom:1px solid var(--line);margin-top:18px}.subj-tab{background:none;border:0;border-bottom:2px solid transparent;padding:10px 14px;font-weight:600;font-size:.95rem;color:var(--muted);cursor:pointer;margin-bottom:-1px}.subj-tab:hover{color:var(--ink)}.subj-tab.on{color:var(--brand);border-bottom-color:var(--brand)}.subj-list{gap:6px}.subj-list,.subj-sublist{display:flex;flex-direction:column}.subj-sublist{margin:4px 0 8px 14px;border-left:2px solid var(--line);padding-left:12px;gap:4px}.subj-strand{font-weight:700;color:var(--ink);padding:12px 0 4px;font-size:1rem}.subj-row{justify-content:space-between;gap:12px;flex-wrap:wrap;padding:11px 14px;background:#fff;border:1px solid var(--line);border-radius:10px}.subj-row,.subj-row-title{display:flex;align-items:center}.subj-row-title{font-weight:600;color:var(--ink);gap:8px}.subj-row-actions{display:flex;gap:6px;flex-wrap:wrap;align-items:center}.spec{font-size:.7rem;font-weight:800;color:var(--muted);background:var(--surface);border:1px solid var(--line);border-radius:6px;padding:1px 6px}.q-stem{font-size:1.12rem;color:var(--ink);line-height:1.8;letter-spacing:.005em}.q-stem .rt-p:first-child{margin-top:0}.rt-p{margin:0 0 .7em}.rt-list{margin:.3em 0 .8em;padding-left:1.3em}.rt-list li{margin:2px 0}.rt-tablewrap{overflow-x:auto;margin:12px 0}.rt-table{border-collapse:collapse;width:100%;font-size:.92rem}.rt-table td,.rt-table th{border:1px solid var(--line);padding:6px 10px;text-align:left;vertical-align:top}.rt-table th{background:var(--surface);font-weight:700}.rt-table td:not(:first-child){text-align:right;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.rt-table thead th:not(:first-child){text-align:right}.q-card{margin-bottom:16px}.q-head{font-size:.8rem;font-weight:700;letter-spacing:.03em;text-transform:uppercase;color:var(--muted);margin-bottom:8px}.q-result{margin-top:8px}.sm-answer{font-size:1.05rem;line-height:1.7;padding:14px;font-family:inherit}.submit-bar{position:-webkit-sticky;position:sticky;bottom:0;flex-wrap:wrap;background:rgba(255,255,255,.92);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);border:1px solid var(--line);border-radius:14px;padding:12px 16px;margin-top:6px;box-shadow:var(--shadow)}.submit-bar,.work-row{display:flex;justify-content:space-between;align-items:center;gap:12px}.work-row{padding:10px 0;border-top:1px solid var(--surface)}.work-row:first-child{border-top:0}.work-score{font-weight:700;white-space:nowrap;font-size:.92rem}.site-footer{border-top:1px solid var(--line);background:var(--surface);padding:32px 0;margin-top:48px;color:var(--muted);font-size:.9rem}.site-footer .inner{display:flex;flex-wrap:wrap;gap:16px 28px;align-items:center}.site-footer a{color:var(--body)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:600;font-size:.95rem;padding:10px 18px;border-radius:var(--radius-sm);border:1px solid transparent;cursor:pointer;transition:all .15s;white-space:nowrap}.btn,.btn:hover{text-decoration:none}.btn:hover{transform:translateY(-1px)}.btn-primary{background:var(--brand);color:#fff;box-shadow:0 1px 2px rgba(15,23,42,.25)}.btn-primary:hover{background:var(--brand-dark);color:#fff;box-shadow:0 4px 12px rgba(15,23,42,.3)}.btn:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--brand);outline-offset:2px}.btn-accent{background:var(--accent);color:#fff}.btn-ghost{background:#fff;color:var(--brand);border-color:var(--line)}.btn-ghost:hover{border-color:var(--brand)}.btn-lg{padding:13px 26px;font-size:1.05rem}.btn-block{width:100%}.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow-sm)}.card-hover:hover{box-shadow:var(--shadow);transform:translateY(-2px);transition:all .2s}.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 11px;border-radius:999px;font-size:.8rem;font-weight:600}.badge-brand{background:var(--brand-tint-2);color:var(--brand-dark)}.badge-accent{background:var(--accent-tint);color:#92400e}.badge-soft{background:var(--surface);color:var(--muted);border:1px solid var(--line)}.badge-timer{background:var(--brand-tint-2);color:var(--brand-dark)}.badge-timer.low{background:#fef2f2;color:var(--danger)}.eyebrow{text-transform:uppercase;letter-spacing:.08em;font-size:.78rem;font-weight:700;color:var(--brand)}.hero{padding:64px 0 40px;background:radial-gradient(1200px 400px at 70% -10%,var(--brand-tint),transparent),var(--bg)}.hero h1{max-width:16ch}.hero p.lead{font-size:1.2rem;color:var(--body);max-width:56ch}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}.icon-tile{width:44px;height:44px;border-radius:10px;display:grid;place-items:center;font-size:1.4rem;background:var(--brand-tint-2);margin-bottom:12px}.icon-tile.accent{background:var(--accent-tint)}.stat{text-align:center;border-top:3px solid var(--brand)}.stat .num{font-size:2rem;font-weight:800;color:var(--brand);line-height:1}.stat .lbl{color:var(--muted);font-size:.9rem;margin-top:4px}.grid .stat:nth-child(3n+2){border-top-color:var(--hl-coral)}.grid .stat:nth-child(3n+2) .num{color:var(--hl-coral)}.grid .stat:nth-child(3n){border-top-color:var(--hl-sky)}.grid .stat:nth-child(3n) .num{color:var(--hl-sky)}.bar{background:var(--line);height:10px;width:100%;overflow:hidden}.bar,.bar>span{border-radius:6px}.bar>span{display:block;height:100%}.prose{font-size:1.05rem}.prose h2{margin-top:1.6em}.prose ul{padding-left:1.2em}.prose figure{margin:1.2em 0;text-align:center}.prose figure img{max-width:100%;border:1px solid var(--line);border-radius:var(--radius-sm)}.prose figcaption{font-size:.85rem;color:var(--muted);margin-top:6px}.callout{border-left:4px solid var(--muted);background:var(--surface);padding:12px 14px;border-radius:var(--radius-sm);margin:14px 0}.callout strong{display:block;margin-bottom:2px}.callout-mistake{border-color:var(--danger);background:#fef2f2}.callout-tip{border-color:var(--success);background:#f0fdf4}.callout-example{border-color:#2563eb;background:#eff6ff}.callout-note{border-color:var(--muted);background:var(--surface)}.plain{list-style:none;padding:0;margin:0}.option{display:block;width:100%;text-align:left;padding:14px 16px;border:1.5px solid var(--line);border-radius:var(--radius-sm);background:#fff;cursor:pointer;font-size:1rem;transition:all .12s}.option:hover{border-color:var(--brand);background:var(--brand-tint)}.option:disabled{cursor:default;opacity:.85}.option.correct{border-color:var(--success);background:#f0fdf4}.option.wrong{border-color:var(--danger);background:#fef2f2}.option.picked{border-color:var(--brand);background:var(--brand-tint)}[data-region=ghana]{--brand:#15794e;--brand-dark:#0f5c3a;--brand-tint:#f1fbf5;--brand-tint-2:#cdeede;--accent:#dd9b06;--accent-tint:#fdf2d3}[data-region=nigeria]{--brand:#0a8a52;--brand-dark:#066b3f;--brand-tint:#edfcf3;--brand-tint-2:#c6f3d9;--accent:#12a866;--accent-tint:#d9fbe8}[data-region=international]{--brand:#0e7490;--brand-dark:#0a5870;--brand-tint:#eef9fc;--brand-tint-2:#c8edf5;--accent:#4f46e5;--accent-tint:#e7e6fc}.hero-brand{padding:64px 0 36px;background:radial-gradient(820px 360px at 28% -20%,#e6f6ef,transparent),radial-gradient(760px 320px at 88% -10%,#eaf1ff,transparent),var(--bg)}.hero-brand h1{max-width:18ch}.frontdoor{position:relative;display:block;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff;box-shadow:var(--shadow-sm);transition:transform .2s,box-shadow .2s}.frontdoor:hover{box-shadow:var(--shadow);transform:translateY(-3px);text-decoration:none}.frontdoor .fd-top{height:6px}.frontdoor .fd-body{padding:20px 22px}.frontdoor .fd-flag{font-size:2.1rem;line-height:1}.levels{display:flex;flex-wrap:wrap;gap:6px;margin-top:14px}.levels span{font-size:.76rem;font-weight:600;padding:3px 9px;border-radius:999px}.enterlink{margin-top:16px;display:inline-flex;align-items:center;gap:6px;font-weight:700;color:var(--brand)}.frontdoor:hover .enterlink{gap:10px}.bands{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}.bands span{font-size:.82rem;font-weight:600;padding:5px 12px;border-radius:999px;background:var(--brand-tint-2);color:var(--brand-dark)}.hero-dark{padding:72px 0 56px;background:#0b1322;color:#b8c4d8;border-top:5px solid var(--accent)}.hero-dark,.hero-dark .container{position:relative}.hero-dark h1{color:#fff;font-size:clamp(2.1rem,5vw,3.4rem);font-weight:800}.hero-dark .grad{background:linear-gradient(92deg,var(--accent),#f4c152);-webkit-background-clip:text;background-clip:text;color:transparent}.hero-dark p.lead{color:#c3cede;font-size:1.18rem;max-width:58ch}.hero-dark .btn-ghost{background:rgba(255,255,255,.06);color:#fff;border-color:rgba(255,255,255,.22)}.hero-dark .btn-ghost:hover{border-color:#fff}.hero-dark small{color:#8fa0b8}.hero-home{background:transparent;padding:64px 0 52px}.hero-home .hero-grid{display:grid;grid-template-columns:1.05fr .95fr;grid-gap:44px;gap:44px;align-items:center}.hero-home h1{color:var(--ink);font-size:clamp(2.1rem,5vw,3.4rem);font-weight:800;line-height:1.06;letter-spacing:-.025em;margin-top:16px}.hero-home .accent{color:var(--brand)}.hero-home p.lead{color:var(--body);font-size:1.18rem;max-width:52ch}.hero-home small{color:var(--muted)}.hero-photo{position:relative;border-radius:22px;overflow:hidden;aspect-ratio:4/3.2;background:var(--brand-tint);border:1px solid var(--line)}.hero-photo img{width:100%;height:100%;object-fit:cover;display:block}@media (max-width:860px){.hero-home{padding:40px 0 36px}.hero-home .hero-grid{grid-template-columns:1fr;gap:26px}.hero-photo{aspect-ratio:16/10}}.jpath{height:6px;border-radius:999px;margin:0 6px 18px;background:linear-gradient(90deg,#0d9488,#2563eb,#9333ea,#4f46e5);opacity:.9}.journey{display:grid;grid-gap:16px;gap:16px}@media (min-width:880px){.journey{grid-template-columns:repeat(auto-fit,minmax(230px,1fr))}}.jstage{position:relative;display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-top:4px solid var(--lv,var(--brand));border-radius:var(--radius);padding:20px;box-shadow:var(--shadow-sm);transition:transform .18s,box-shadow .18s}a.jstage{color:inherit}a.jstage:hover{transform:translateY(-4px);box-shadow:var(--shadow);text-decoration:none}.jstage .jhead{display:flex;align-items:center;gap:12px}.jstage .jico{width:50px;height:50px;border-radius:14px;display:grid;place-items:center;font-size:1.5rem;background:var(--lv-tint);flex:none}.jstage .jnum{font-size:.72rem;font-weight:800;letter-spacing:.06em;text-transform:uppercase;color:var(--lv-dark)}.jstage h3{margin:1px 0 0;font-size:1.12rem}.jstage .jrange{color:var(--muted);font-size:.85rem;margin-top:2px}.jstage .jblurb{color:var(--body);font-size:.92rem;margin:12px 0 14px;flex:1 1}.jfoot{display:flex;align-items:center;justify-content:space-between;gap:8px;flex-wrap:wrap}.pill-exam{align-items:center;gap:6px;font-weight:700;background:var(--lv-tint);color:var(--lv-dark)}.pill-exam,.pill-soon{display:inline-flex;font-size:.78rem;padding:4px 11px;border-radius:999px}.pill-soon{font-weight:600;background:var(--surface);color:var(--muted);border:1px dashed var(--line)}.jgo{font-weight:700;color:var(--lv-dark);font-size:.9rem;white-space:nowrap}.lvl-section{scroll-margin-top:84px}.lvl-section .lvl-head{display:flex;align-items:center;gap:12px;margin-bottom:6px}.lvl-section .lvl-head .jico{width:42px;height:42px;font-size:1.25rem}.qual-label{font-size:.8rem;font-weight:800;letter-spacing:.05em;text-transform:uppercase;color:var(--muted);margin:18px 0 10px}.frontdoor .fd-body{display:flex;flex-direction:column;height:100%}.frontdoor ul.plain{flex:1 1}.frontdoor .enterlink{margin-top:auto;padding-top:16px}.subj{display:flex;align-items:center;gap:14px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:15px 18px;transition:transform .16s,box-shadow .16s,border-color .16s}.subj:hover{transform:translateY(-2px);box-shadow:var(--shadow);border-color:var(--lv,var(--brand));text-decoration:none}.subj .mono{width:44px;height:44px;border-radius:12px;flex:none;display:grid;place-items:center;font-family:var(--font-display,system-ui),sans-serif;font-weight:800;font-size:1.05rem;background:var(--lv-tint,var(--brand-tint-2));color:var(--lv-dark,var(--brand-dark))}.subj .meta{flex:1 1;min-width:0;display:flex;flex-direction:column}.subj .s-title{font-weight:700;color:var(--ink);font-size:1rem;line-height:1.25}.subj .s-sub{color:var(--muted);font-size:.85rem;margin-top:2px}.subj .chev{color:var(--lv,var(--brand));font-size:1.15rem;transition:transform .16s;flex:none}.subj:hover .chev{transform:translateX(3px)}.flagchip{display:inline-flex;vertical-align:-5px;margin-right:7px}.btn:focus-visible,.cpick:focus-visible,.frontdoor:focus-visible,.jstage:focus-visible,.subj:focus-visible,.tcard:focus-visible,a:focus-visible,button:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:var(--radius-sm)}.dash-hero{background:#fff;color:var(--ink);padding:30px 0 34px;border-bottom:1px solid var(--line)}.dash-hero .container{position:relative;z-index:1}.dash-hero .eyebrow{color:var(--brand)}.dash-greet{color:var(--ink);font-family:var(--font-display,system-ui),sans-serif;font-weight:800;font-size:clamp(1.55rem,4vw,2.15rem);margin:6px 0 0;line-height:1.12;letter-spacing:-.01em}.dash-sub{color:var(--body);margin:7px 0 0;max-width:60ch}.stagechip{display:inline-flex;align-items:center;gap:8px;margin-top:16px;padding:7px 8px 7px 14px;border-radius:999px;background:var(--brand-tint);border:1px solid var(--brand-tint-2);color:var(--brand-dark,var(--brand));font-weight:600;font-size:.9rem}.stagechip .ex{background:var(--brand);color:#fff;padding:2px 10px;border-radius:999px;font-size:.72rem;font-weight:800;letter-spacing:.02em}.dash-ribbon{display:grid;grid-template-columns:repeat(2,1fr);grid-gap:12px;gap:12px;margin-top:24px}@media (min-width:720px){.dash-ribbon{grid-template-columns:repeat(4,1fr);gap:14px}}.dtile{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:15px 16px;display:flex;align-items:center;gap:13px;min-width:0}.dtile .dt-val{font-family:var(--font-display,system-ui),sans-serif;font-weight:800;font-size:1.5rem;line-height:1;color:var(--ink)}.dtile .dt-lbl{font-size:.77rem;color:var(--muted);margin-top:4px;line-height:1.2}.dtile .flame{font-size:1.7rem;line-height:1}.dtile .flame.cold{filter:grayscale(1);opacity:.55}.actv-wrap{margin-top:16px;display:flex;align-items:center;gap:14px;flex-wrap:wrap}.actv-lbl{font-size:.76rem;color:var(--muted);font-weight:600}.actv{display:flex;gap:4px;align-items:flex-end;height:28px}.actv b{width:8px;border-radius:2px 2px 0 0;background:var(--line);display:block}.actv b.on{background:var(--brand)}.ring{display:block;flex:none}.ring .ring-fill{stroke-linecap:round;transition:stroke-dashoffset .6s ease}.ring .ring-num{font-family:var(--font-display,system-ui),sans-serif;font-weight:800}.ring-hero .ring-track{stroke:var(--line)}.ring-hero .ring-fill{stroke:var(--brand)}.ring-hero .ring-num{fill:var(--ink)}.ring-sm .ring-track{stroke:var(--line)}.ring-sm .ring-fill{stroke:var(--rc,var(--brand))}.ring-sm .ring-num{fill:var(--ink)}.cpick-row{display:flex;gap:10px;flex-wrap:wrap}.cpick{display:flex;flex-direction:column;align-items:flex-start;gap:1px;padding:10px 15px;border-radius:12px;border:1px solid var(--line);background:#fff;cursor:pointer;transition:transform .15s,border-color .15s,box-shadow .15s;text-align:left}.cpick:hover{transform:translateY(-1px);box-shadow:var(--shadow)}.cpick.on,.cpick:hover{border-color:var(--brand)}.cpick.on{background:var(--brand)}.cpick .cp-sub{font-weight:700;font-size:.95rem;color:var(--ink)}.cpick .cp-tag{font-size:.72rem;color:var(--muted);font-weight:600}.cpick.on .cp-sub,.cpick.on .cp-tag{color:#fff;opacity:1}.cpick.on .cp-tag{opacity:.85}.tcard{display:flex;gap:16px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px;transition:box-shadow .16s,transform .16s,border-color .16s}.tcard:hover{box-shadow:var(--shadow);transform:translateY(-2px);border-color:var(--rc,var(--brand))}.tcard .tc-body{flex:1 1;min-width:0}.tc-head{display:flex;align-items:center;gap:10px;justify-content:space-between}.tc-title{font-weight:700;color:var(--ink);margin:0;font-size:1.02rem;line-height:1.25}.tc-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:11px;align-items:center}.band-chip{font-size:.72rem;font-weight:700;padding:2px 10px;border-radius:999px;white-space:nowrap;flex:none}.menu{display:none;position:relative}@media (max-width:859px){.menu{display:block}}.menu-btn{list-style:none;cursor:pointer;width:42px;height:42px;border-radius:10px;border:1px solid var(--line);display:grid;place-content:center;grid-gap:4px;gap:4px;background:#fff}.menu-btn::-webkit-details-marker{display:none}.menu-btn span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .18s,opacity .18s}.menu[open] .menu-btn{border-color:var(--brand)}.menu[open] .menu-btn span:first-child{transform:translateY(6px) rotate(45deg)}.menu[open] .menu-btn span:nth-child(2){opacity:0}.menu[open] .menu-btn span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}.menu-panel{position:absolute;right:0;top:calc(100% + 10px);background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);padding:8px;display:flex;flex-direction:column;min-width:210px;z-index:60}.menu-panel a{padding:11px 14px;border-radius:9px;color:var(--ink);font-weight:600}.menu-panel a:hover{background:var(--surface);text-decoration:none}.menu-sec{font-size:.66rem;font-weight:700;text-transform:uppercase;letter-spacing:.07em;color:var(--muted);padding:9px 14px 3px}.menu-region{display:flex;align-items:center;gap:9px}.rsw{position:relative;display:none}@media (min-width:860px){.rsw{display:block}}.rsw-btn{display:inline-flex;align-items:center;gap:8px;padding:7px 12px;border-radius:999px;border:1px solid var(--line);background:#fff;cursor:pointer;font-weight:600;font-size:.9rem;color:var(--ink)}.rsw-btn:hover{border-color:var(--brand)}.rsw-name{line-height:1}.rsw-chev{font-size:.7rem;color:var(--muted);font-style:normal}.rsw-scrim{position:fixed;inset:0;background:transparent;border:0;z-index:59;cursor:default}.rsw-menu{position:absolute;right:0;top:calc(100% + 8px);background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);padding:7px;display:flex;flex-direction:column;gap:2px;min-width:256px;z-index:60}.rsw-item{display:flex;align-items:center;gap:11px;padding:9px 11px;border-radius:10px;border:0;background:transparent;cursor:pointer;text-align:left;width:100%}.rsw-item:hover{background:var(--surface)}.rsw-item.on{background:var(--brand-tint,var(--surface))}.rsw-item-tx{display:flex;flex-direction:column}.rsw-item-name{font-weight:700;color:var(--ink);font-size:.92rem}.rsw-item-sub{font-size:.76rem;color:var(--muted)}[data-mode=kids]{--radius:22px}[data-mode=kids] .dash-greet{font-size:clamp(1.7rem,5vw,2.5rem)}[data-mode=kids] .dash-sub{font-size:1.06rem}[data-mode=kids] .stagechip{font-size:.95rem;padding:8px 9px 8px 15px}[data-mode=kids] .btn{border-radius:999px}[data-mode=kids] .btn-primary{padding:10px 20px;font-size:1rem}[data-mode=kids] .tcard{border-width:2px;border-radius:22px;padding:18px 20px;gap:18px}[data-mode=kids] .tcard:hover{transform:translateY(-3px) scale(1.01)}[data-mode=kids] .tc-title{font-size:1.16rem}[data-mode=kids] .band-chip{font-size:.78rem;padding:3px 12px}[data-mode=kids] .cpick{border-radius:16px;border-width:2px}[data-mode=kids] .cpick .cp-sub{font-size:1rem}[data-mode=kids] .subj{border-radius:18px;border-width:2px;padding:17px 19px}[data-mode=kids] .subj .mono{border-radius:16px;width:48px;height:48px;font-size:1.12rem}[data-mode=kids] .subj .s-title{font-size:1.06rem}[data-mode=kids] .lvl-head h2{font-size:clamp(1.6rem,3.4vw,2.2rem)}.tt-step{display:flex;align-items:center;gap:12px}.tt-num{width:30px;height:30px;border-radius:999px;background:var(--brand);color:#fff;font-weight:800;display:grid;place-items:center;font-size:.95rem;flex:none;font-family:var(--font-display,system-ui),sans-serif}.tt-topics{display:grid;grid-template-columns:1fr;grid-gap:10px;gap:10px}@media (min-width:640px){.tt-topics{grid-template-columns:1fr 1fr}}@media (min-width:980px){.tt-topics{grid-template-columns:1fr 1fr 1fr}}.tt-topic{display:flex;align-items:center;gap:11px;padding:12px 14px;border:1px solid var(--line);border-radius:12px;background:#fff;cursor:pointer;text-align:left;transition:border-color .14s,box-shadow .14s}.tt-topic.on,.tt-topic:hover{border-color:var(--brand)}.tt-topic.on{box-shadow:inset 0 0 0 1px var(--brand);background:var(--brand-tint,#fff)}.tt-check{width:22px;height:22px;border-radius:7px;border:2px solid var(--line);display:grid;place-items:center;flex:none;font-size:.8rem;color:#fff;font-weight:800}.tt-topic.on .tt-check{background:var(--brand);border-color:var(--brand)}.tt-topic-tx{display:flex;flex-direction:column;min-width:0;flex:1 1}.tt-topic-name{font-weight:600;color:var(--ink);font-size:.92rem;line-height:1.25}.tt-topic-sub{font-size:.76rem;color:var(--muted);margin-top:2px}.tt-weak{font-size:.68rem;font-weight:800;color:#dc2626;background:#fee2e2;padding:2px 8px;flex:none;text-transform:uppercase;letter-spacing:.03em}.tt-pill,.tt-weak{border-radius:999px}.tt-pill{padding:8px 16px;border:1px solid var(--line);background:#fff;cursor:pointer;font-weight:700;font-size:.9rem;color:var(--ink);transition:transform .12s}.tt-pill:hover{transform:translateY(-1px)}.tt-timed{display:inline-flex;align-items:center;gap:7px;margin-left:8px;font-weight:600;font-size:.9rem;color:var(--ink);cursor:pointer}.btn-sm{padding:6px 12px;font-size:.85rem}.sm-answer{width:100%;margin-top:16px;padding:13px 15px;border:1px solid var(--line);border-radius:12px;font:inherit;font-size:1rem;line-height:1.55;resize:vertical;background:var(--surface);color:var(--ink)}.sm-answer:focus{outline:2px solid var(--brand);outline-offset:1px;background:#fff}.sm-answer:disabled{opacity:.8}.sm-score{display:flex;align-items:baseline;gap:12px}.sm-mark{font-family:var(--font-display,system-ui),sans-serif;font-weight:800;font-size:2.2rem;color:var(--brand);line-height:1}.sm-of{font-size:1.1rem;color:var(--muted);font-weight:700}.sm-points{list-style:none;padding:0;margin:14px 0 0;display:grid;grid-gap:7px;gap:7px}.sm-points li{display:flex;gap:9px;align-items:flex-start;font-size:.92rem;line-height:1.4}.sm-points li span{font-weight:800;flex:none}.sm-points li.got span{color:#16a34a}.sm-points li.miss span{color:#dc2626}.sm-points li.miss{color:var(--muted)}.sm-improved{margin-top:14px;border-top:1px solid var(--line);padding-top:12px}.sm-improved summary{cursor:pointer;font-weight:700;color:var(--brand)}.sm-improved p{margin:10px 0 0;color:var(--ink);line-height:1.6}.class-tabs{display:flex;gap:8px;flex-wrap:wrap;margin:0 0 18px}.class-tab{padding:7px 15px;border-radius:999px;border:1px solid var(--line);background:#fff;cursor:pointer;font-weight:700;font-size:.86rem;color:var(--ink);transition:transform .12s,border-color .12s}.class-tab:hover{transform:translateY(-1px)}.class-tab.on,.class-tab:hover{border-color:var(--lv,var(--brand))}.class-tab.on{background:var(--lv,var(--brand));color:#fff}.plan-grid{display:grid;grid-template-columns:1fr;grid-gap:14px;gap:14px}@media (min-width:640px){.plan-grid{grid-template-columns:1fr 1fr 1fr}}.plan-field{display:flex;flex-direction:column;gap:6px;font-weight:600;font-size:.85rem;color:var(--ink)}.plan-field input,.plan-field select{padding:10px 12px;border:1px solid var(--line);border-radius:10px;font:inherit;font-weight:500;background:#fff;color:var(--ink)}.plan-field input:focus,.plan-field select:focus{outline:2px solid var(--brand);outline-offset:1px}.plan-day{border-left:3px solid var(--brand-tint-2,var(--line));padding-left:16px}.plan-date{font-family:var(--font-display,system-ui),sans-serif;font-weight:800;color:var(--ink);margin-bottom:10px;font-size:1.02rem}.plan-task{display:flex;align-items:center;gap:12px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px 14px}.plan-task.done{opacity:.6}.plan-task.done .plan-label{text-decoration:line-through}.plan-check{width:24px;height:24px;border-radius:7px;border:2px solid var(--line);background:#fff;cursor:pointer;flex:none;display:grid;place-items:center;font-weight:800;color:#fff;font-size:.85rem}.plan-task.done .plan-check{background:var(--brand);border-color:var(--brand)}.plan-kind{font-size:1.1rem;flex:none}.plan-label{color:var(--ink);font-weight:600;flex:1 1;min-width:0}.plan-label:hover{color:var(--brand)}.fc{perspective:1200px;cursor:pointer;margin:8px 0 22px}.fc,.fc-inner{min-height:250px}.fc-inner{position:relative;width:100%;transition:transform .5s;transform-style:preserve-3d}.fc.flipped .fc-inner{transform:rotateY(180deg)}.fc-face{position:absolute;inset:0;backface-visibility:hidden;-webkit-backface-visibility:hidden;border-radius:18px;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow);padding:28px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center}.fc-face p{font-size:1.25rem;font-weight:600;color:var(--ink);margin:12px 0;line-height:1.4}.fc-back{transform:rotateY(180deg);background:var(--brand-tint,#f1fbf5)}.fc-tag{font-size:.7rem;font-weight:800;text-transform:uppercase;letter-spacing:.08em;color:var(--brand)}.fc-hint{font-size:.82rem;color:var(--muted);margin-top:6px}.fc-actions{display:flex;gap:12px;justify-content:center}.fc-actions .btn{flex:1 1;max-width:220px}.fc-known{background:#16a34a;color:#fff}.fc-known:hover{background:#15803d}.fc-learning{background:#fff;color:#d97706;border:1px solid #d97706}.fc-learning:hover{background:#fffbeb}.strand-head{font-family:var(--font-display,system-ui),sans-serif;font-weight:800;font-size:1.05rem;color:var(--ink);margin:0;padding-left:12px;border-left:4px solid var(--brand)}.ss{background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px 16px;margin-bottom:16px}.ss-head{display:flex;justify-content:space-between;align-items:center}.ss-label{font-size:.8rem;font-weight:700;color:var(--muted)}.ss-info{cursor:help;color:var(--muted)}.ss-tier{font-size:.82rem;font-weight:800}.ss-bar{position:relative;height:12px;background:var(--surface);margin:10px 0 8px;overflow:visible}.ss-bar,.ss-fill{border-radius:999px}.ss-fill{position:absolute;inset:0 auto 0 0;height:100%;transition:width .5s ease,background .3s}.ss-mark{position:absolute;top:-3px;width:2px;height:18px;background:#16a34a;opacity:.5;border-radius:2px}.ss-row{display:flex;align-items:baseline;gap:12px}.ss-num{font-family:var(--font-display,system-ui),sans-serif;font-weight:800;font-size:1.5rem;line-height:1}.ss-num small{font-size:.9rem;color:var(--muted);font-weight:700}.ss-delta{font-weight:800;font-size:.95rem}.ss-delta.up{color:#16a34a}.ss-delta.down{color:#dc2626}.reco{border-left:4px solid var(--brand)}.awards{display:flex;flex-wrap:wrap;gap:8px}.award{display:inline-flex;align-items:center;gap:6px;font-size:.82rem;font-weight:700;color:var(--brand-dark,var(--brand));background:var(--brand-tint,#f1fbf5);border:1px solid var(--brand-tint-2,var(--line));padding:5px 11px;border-radius:999px}.nextwin{font-size:.88rem;color:var(--ink);background:var(--accent-tint,#fef3c7);border-radius:10px;padding:9px 12px}.aw-grid{display:grid;grid-template-columns:repeat(2,1fr);grid-gap:12px;gap:12px}@media (min-width:640px){.aw-grid{grid-template-columns:repeat(3,1fr)}}@media (min-width:920px){.aw-grid{grid-template-columns:repeat(4,1fr)}}.aw-tile{background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px 16px;display:flex;flex-direction:column;align-items:center;text-align:center;gap:4px;opacity:.68}.aw-tile.earned{opacity:1;border-color:var(--brand);box-shadow:var(--shadow-sm);background:linear-gradient(180deg,var(--brand-tint,#f1fbf5),#fff)}.aw-ico{font-size:2rem;line-height:1}.aw-title{font-weight:800;font-size:.95rem;color:var(--ink);margin-top:4px;font-family:var(--font-display,system-ui),sans-serif}.aw-desc{font-size:.76rem;color:var(--muted)}.aw-badge{margin-top:6px;font-size:.72rem;font-weight:800;color:#fff;background:var(--brand);padding:3px 12px;border-radius:999px;text-transform:uppercase;letter-spacing:.04em}.aw-bar{width:100%;margin-top:8px}.aw-prog{font-size:.74rem;font-weight:700;color:var(--muted);margin-top:4px}.ai-insight{background:var(--surface);border-radius:12px;padding:16px 18px}.ai-summary{font-size:1.02rem;color:var(--ink);margin:0 0 10px;line-height:1.5;font-weight:500}.ai-line{margin:8px 0}.ai-block{margin:12px 0}.ai-block>strong{display:block;margin-bottom:6px;color:var(--ink)}.ai-block .plain li{margin-bottom:4px;line-height:1.45}.ai-pri{display:inline-block;font-size:.66rem;font-weight:800;color:#fff;text-transform:uppercase;padding:1px 7px;border-radius:999px;margin-right:6px;letter-spacing:.03em}.ai-focus{background:var(--accent-tint,#fef3c7);border-radius:10px;padding:10px 12px;font-weight:600;margin:12px 0 8px}.ai-by{font-size:.76rem;color:var(--muted);margin:8px 0 0}.prac-crumb{font-size:.9rem;color:var(--muted);margin-bottom:14px}.prac-crumb span{margin:0 6px}.prac{display:grid;grid-template-columns:1fr;grid-gap:18px;gap:18px}@media (min-width:880px){.prac{grid-template-columns:1fr 220px;align-items:start}}.prac-side{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:12px;gap:12px;order:-1}@media (min-width:880px){.prac-side{grid-template-columns:1fr;order:0;position:-webkit-sticky;position:sticky;top:80px}}.metric{border-radius:12px;overflow:hidden;border:1px solid var(--line);background:#fff;text-align:center;box-shadow:var(--shadow-sm)}.m-head{color:#fff;font-weight:800;padding:8px 6px;font-size:.76rem;line-height:1.2;font-family:var(--font-display,system-ui),sans-serif}.m-head span{font-weight:700;opacity:.92;font-size:.68rem}.metric.m-q .m-head{background:var(--brand)}.metric.m-t .m-head{background:#475569}.metric.m-s .m-head{background:var(--accent,#d97706)}.m-val{font-family:var(--font-display,system-ui),sans-serif;font-weight:800;font-size:2.4rem;padding:14px 8px 8px;color:var(--ink);line-height:1}.metric.m-s .m-val{padding-bottom:4px}.m-time{padding:14px 8px;display:flex;align-items:baseline;justify-content:center;gap:1px;flex-wrap:wrap}.m-time span{font-family:var(--font-display,system-ui),sans-serif;font-weight:800;font-size:1.3rem;color:var(--ink)}.m-time i{font-style:normal;font-size:.58rem;color:var(--muted);font-weight:700;margin:0 4px 0 1px}.m-bar{height:6px;background:var(--surface);margin:2px 14px 0;overflow:hidden}.m-bar,.m-bar span{border-radius:999px}.m-bar span{display:block;height:100%;transition:width .5s}.m-tier{font-weight:800;font-size:.8rem;padding:7px 8px 12px}.m-tier em{font-style:normal;margin-left:6px}.m-tier em.up{color:#16a34a}.m-tier em.down{color:#dc2626}.prac-card{padding:28px}.prac-toprow{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:10px}.prac-example{background:none;border:0;color:var(--brand);font-weight:700;cursor:pointer;font-size:.92rem;padding:4px 0}.prac-example:hover{text-decoration:underline}.prac-stem{font-size:1.3rem;display:flex;align-items:flex-start;gap:10px;line-height:1.4}.prac-speak{background:var(--brand-tint,#f1fbf5);border:0;border-radius:10px;width:38px;height:38px;flex:none;cursor:pointer;font-size:1.05rem}.prac-speak:hover{background:var(--brand-tint-2,#cdeede)}.scratch-fab{position:fixed;right:22px;bottom:22px;width:56px;height:56px;border-radius:50%;border:0;background:var(--brand);color:#fff;font-size:1.5rem;box-shadow:var(--shadow);cursor:pointer;z-index:70;transition:transform .15s}.scratch-fab:hover{transform:scale(1.06)}.scratch-panel{position:fixed;right:22px;bottom:88px;width:min(460px,calc(100vw - 44px));height:360px;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);z-index:70;display:flex;flex-direction:column;overflow:hidden}.scratch-bar{display:flex;justify-content:space-between;align-items:center;padding:8px 10px 8px 14px;border-bottom:1px solid var(--line);font-weight:700;font-size:.85rem;color:var(--ink)}.scratch-canvas{flex:1 1;width:100%;touch-action:none;cursor:crosshair;background:repeating-linear-gradient(#fff,#fff 23px,#eef2f7 24px)}@media (max-width:600px){.hero-dark{padding:48px 0 40px}.hero-brand{padding:44px 0 28px}.dash-hero{padding:24px 0 28px}.section{padding:40px 0}}.seg{display:inline-flex;background:var(--brand-tint);border:1px solid var(--line);border-radius:999px;padding:4px;gap:2px;flex-wrap:wrap}.seg-btn{border:0;background:transparent;padding:7px 16px;border-radius:999px;font:inherit;font-weight:600;font-size:.9rem;color:var(--muted);cursor:pointer;transition:all .15s}.seg-btn.on,.seg-btn:hover{color:var(--ink)}.seg-btn.on{background:var(--card);box-shadow:var(--shadow-sm)}.class-tab{border:0;background:var(--surface)}[data-theme=dark]{--ink:#f1f5f9;--body:#cbd5e1;--muted:#8fa3bb;--line:#2a3850;--surface:#16213a;--bg:#0b1220;--card:#121c30;--brand:#f1f5f9;--brand-dark:#ffffff;--brand-tint:#1b2740;--brand-tint-2:#283755;--accent-tint:#3a2e0a;--shadow:0 1px 2px rgba(0,0,0,.5),0 8px 24px rgba(0,0,0,.45);--shadow-sm:0 1px 2px rgba(0,0,0,.5)}[data-theme=dark] body{background:#0b1220;color:var(--body)}[data-theme=dark] .btn-ghost,[data-theme=dark] .card,[data-theme=dark] .menu-panel,[data-theme=dark] .plan-field input,[data-theme=dark] .plan-field select,[data-theme=dark] .subj-row,[data-theme=dark] .usermenu-btn,[data-theme=dark] .usermenu-panel{background:var(--card);color:var(--body)}[data-theme=dark] .btn-ghost{color:var(--ink)}[data-theme=dark] .btn-primary{background:#f1f5f9;color:#0b1220}[data-theme=dark] .btn-primary:hover{background:#ffffff;color:#0b1220}[data-theme=dark] .site-header{background:rgba(11,18,32,.92)}[data-theme=dark] .dash-hero,[data-theme=dark] .section-tint{background:var(--surface)}[data-theme=dark] .brand-mark{background:#f1f5f9}[data-theme=dark] .brand-mark path{fill:#0b1220;stroke:#0b1220}[data-theme=dark] .usermenu-avatar{background:#f1f5f9;color:#0b1220}[data-theme=dark] .site-footer,[data-theme=dark] code{background:var(--surface)}[data-theme=dark] .option{background:var(--card)}[data-theme=dark] .option.correct{background:rgba(5,150,105,.12);border-color:var(--success)}[data-theme=dark] .option.wrong{background:rgba(220,38,38,.1);border-color:var(--danger)}[data-theme=dark] .cpick,[data-theme=dark] .frontdoor,[data-theme=dark] .jstage,[data-theme=dark] .sm-answer:focus,[data-theme=dark] .subj,[data-theme=dark] .tcard{background:var(--card)}[data-theme=dark] .submit-bar{background:rgba(11,18,32,.92)}[data-theme=dark] .badge-timer.low{background:rgba(220,38,38,.1)}[data-theme=dark] select{background:var(--card);color:var(--ink)}[data-theme=dark] .icon-tile{background:var(--surface)!important;color:var(--muted)!important}.ananse-fig{flex:none}.ananse-fig .leg{transform-origin:50px 60px;animation:ananse-wiggle 3.2s ease-in-out infinite}.ananse-fig .leg-r{animation-delay:.5s}@keyframes ananse-wiggle{0%,to{transform:rotate(-2deg)}50%{transform:rotate(2deg)}}@media (prefers-reduced-motion:reduce){.ananse-fig .leg{animation:none}}.ananse-greet{display:flex;align-items:center;gap:14px}.ananse-greet .dash-greet{margin:0}.ananse-greet .dash-sub{margin-top:4px}.kid-stars{display:inline-flex;gap:3px;line-height:0}.kid-star path{fill:#e3ddcf}.kid-star.on path{fill:#f7b733}.ktcard{display:flex;flex-direction:column;align-items:flex-start;gap:10px;background:#fff;border:2px solid var(--line);border-radius:22px;padding:18px;box-shadow:0 5px 0 rgba(15,23,42,.05)}.ktcard[data-band=strong]{border-color:#7cc6a0;background:linear-gradient(180deg,#f1fbf5,#fff)}.kt-title{font-size:1.18rem;margin:0;color:var(--ink);line-height:1.25}.kt-actions{display:flex;gap:10px;flex-wrap:wrap;width:100%}.kid-play,.kid-read{min-height:50px;flex:1 1;border-radius:999px;font-size:1.05rem;font-weight:700;display:inline-flex;align-items:center;justify-content:center;gap:8px}.kid-play{background:var(--brand);color:#fff;box-shadow:0 4px 0 var(--brand-dark)}.kid-play:hover{color:#fff;text-decoration:none}.kid-play:active{transform:translateY(2px);box-shadow:0 2px 0 var(--brand-dark)}.kid-read{background:#fff;color:var(--brand);border:2px solid var(--brand-tint-2);flex:0 1 auto;padding:0 20px}.kid-read:hover{border-color:var(--brand);text-decoration:none}.basket{display:flex;align-items:center;gap:14px;background:linear-gradient(180deg,#fff7e6,#fff);border:2px solid #f2a93b;border-radius:22px;padding:14px 16px}.basket-body{min-width:0}.basket-title{display:block;color:var(--ink);font-size:1.02rem;line-height:1.3;font-family:var(--font-display,system-ui),sans-serif}.basket-threads{display:flex;align-items:center;gap:6px;margin-top:10px;flex-wrap:wrap}.thread-dot{width:16px;height:16px;border-radius:50%;background:#eadcc0}.thread-dot.lit{background:var(--brand)}.thread-more{font-size:.82rem;font-weight:800;color:var(--muted)}@media (min-width:720px){.kt-title{font-size:1.22rem}.basket-title{font-size:1.1rem}}[data-theme=dark] .ktcard{background:var(--card)}[data-theme=dark] .ktcard[data-band=strong]{background:var(--card);border-color:#2f8f4e}[data-theme=dark] .basket{background:var(--card);border-color:var(--accent,#c98a12)}[data-theme=dark] .kid-read{background:var(--card)}.aw-prog,.dt-val,.dtile .dt-val,.m-time span,.m-val,.num,.plan-date,.ring .ring-num,.sm-mark,.ss-num,.stat .num,.tt-num{font-family:var(--font-mono,ui-monospace,monospace);font-feature-settings:"tnum";font-variant-numeric:tabular-nums;letter-spacing:-.01em}.icon-tile.xl{width:60px;height:60px;border-radius:16px;margin-bottom:14px}.icon-tile.xl svg{width:34px;height:34px;display:block}.exam-pill{display:inline-flex;align-items:center;gap:6px;font-family:var(--font-mono,ui-monospace,monospace);font-size:.72rem;font-weight:600;padding:3px 10px;border-radius:999px;letter-spacing:.01em;white-space:nowrap}.exam-pill.tone-up{background:var(--brand-tint-2);color:var(--brand-dark,var(--brand))}.exam-pill.tone-now{background:#dcfce7;color:#15803d}.exam-pill.tone-res{background:var(--accent-tint);color:#92400e}.exam-pill.tone-done{background:var(--surface);color:var(--muted)}.exam-pill .pulse{width:7px;height:7px;border-radius:50%;background:#16a34a;animation:exam-pulse 1.4s ease-in-out infinite}@keyframes exam-pulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.35;transform:scale(.65)}}@media (prefers-reduced-motion:reduce){.exam-pill .pulse{animation:none}}.nextup{display:flex;align-items:center;gap:16px;max-width:520px;margin:0 auto 26px;padding:16px 22px;border:1px solid var(--brand-tint-2);border-radius:16px;background:linear-gradient(100deg,var(--brand-tint),transparent)}.nextup .big{font-family:var(--font-mono,ui-monospace,monospace);font-weight:700;font-size:2.5rem;line-height:1;color:var(--brand)}.nextup .lbl{font-size:.95rem;color:var(--body)}.nextup .lbl strong{color:var(--ink)}[data-theme=dark] .nextup{background:var(--card)}[data-theme=dark] .exam-pill.tone-now{background:#0c2a17;color:#86efac}[data-theme=dark] .exam-pill.tone-res{color:#fcd34d}.timeline{background:#fff;border:1px solid var(--line);border-radius:16px;padding:16px 18px;max-width:920px;margin:0 auto 26px}[data-theme=dark] .timeline{background:var(--card)}.tl-axis{display:grid;grid-template-columns:132px 1fr;margin-bottom:8px}.tl-axis-r{display:flex;justify-content:space-between}.tl-m{font-size:.62rem;font-weight:700;color:var(--muted)}.tl-row{display:grid;grid-template-columns:132px 1fr;align-items:center;height:34px}.tl-label{font-size:.78rem;font-weight:700;color:var(--ink);padding-right:10px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.tl-track{position:relative;height:100%}.tl-row .tl-track:before{content:"";position:absolute;left:0;right:0;top:50%;height:2px;background:var(--surface);border-radius:2px}.tl-bar{position:absolute;top:9px;height:16px;border-radius:999px;min-width:6px;box-shadow:var(--shadow-sm)}.tl-dot{top:10px;width:14px;height:14px;border-radius:50%;background:#fff;border:3px solid}.tl-dot,.tl-today-line{position:absolute;transform:translateX(-50%)}.tl-today-line{top:-2px;bottom:-2px;width:2px;background:var(--danger);opacity:.55}.tl-today-tip{position:absolute;top:-2px;transform:translateX(-50%);font-size:.6rem;font-weight:800;color:var(--danger);white-space:nowrap}.tl-foot{font-size:.76rem;color:var(--muted);margin:10px 0 0}.tl-cal svg{vertical-align:-2px;margin-right:5px}@media (max-width:560px){.tl-axis,.tl-row{grid-template-columns:96px 1fr}.tl-m:nth-child(2n){display:none}.tl-label{font-size:.72rem}}.ssearch{position:relative;max-width:560px}.ssearch-icon{position:absolute;left:15px;top:50%;transform:translateY(-50%);color:var(--muted);pointer-events:none}.ssearch-input{width:100%;padding:12px 16px 12px 44px;border:1.5px solid var(--line);border-radius:999px;font:inherit;font-size:1rem;background:#fff;color:var(--ink)}.ssearch-input::placeholder{color:var(--muted)}.ssearch-input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px color-mix(in srgb,var(--brand) 18%,transparent)}.ssearch-panel{position:absolute;top:calc(100% + 8px);left:0;right:0;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);z-index:45;overflow-y:auto;max-height:62vh;padding:4px}.ssearch-sec{font-size:.68rem;font-weight:800;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);padding:10px 12px 4px}.ssearch-item{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:10px;color:var(--ink);text-decoration:none}.ssearch-item.active,.ssearch-item:hover{background:var(--surface);text-decoration:none}.ssearch-item .meta{flex:1 1;min-width:0;display:flex;flex-direction:column}.ssearch-item .t{font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.ssearch-item .s{font-size:.8rem;color:var(--muted)}.ssearch-item .go{font-size:.82rem;font-weight:700;color:var(--brand);white-space:nowrap;flex:none}.ssearch-empty{padding:14px 12px;color:var(--muted);font-size:.9rem}[data-theme=dark] .ssearch-input,[data-theme=dark] .ssearch-panel{background:var(--card)}.postcard{display:flex;flex-direction:column;text-decoration:none;color:inherit;padding:0;overflow:hidden;border-radius:16px}.postcard h3,.postcard>.enterlink,.postcard>p{padding-left:18px;padding-right:18px}.postcard>.enterlink{padding-bottom:18px}.postcard-cover{position:relative;line-height:0}.postcard-cover img{width:100%;height:168px;object-fit:cover;display:block}.postcard-tag{position:absolute;left:12px;bottom:12px;background:rgba(255,255,255,.92);color:var(--ink);font-size:.72rem;font-weight:800;padding:3px 11px;border-radius:999px;letter-spacing:.02em}[data-theme=dark] .postcard-tag{background:rgba(18,28,48,.92);color:var(--ink)}.prac-kids{grid-template-columns:1fr!important}.prac-stones{display:flex;align-items:center;gap:12px;background:#fff;border:2px solid var(--line);border-radius:18px;padding:12px 14px;margin-bottom:14px}[data-theme=dark] .prac-stones{background:var(--card)}.stones-track{display:flex;align-items:center;gap:7px;flex-wrap:wrap;flex:1 1;min-width:0}.pstone{width:16px;height:16px;border-radius:50%;background:#e6dcc9;flex:none}.pstone.done{background:var(--brand)}.pstone.star{width:26px;height:26px;display:grid;place-items:center;background:#f1e7d4}.pstone.star.done{background:var(--accent)}.pstone.star svg{width:16px;height:16px}.stones-label{font-weight:700;color:var(--ink);font-size:.9rem;white-space:nowrap}.kid-opts .option{font-size:1.2rem;padding:18px;border-width:2.5px;border-radius:16px;font-weight:600;box-shadow:0 4px 0 rgba(15,23,42,.05)}.kid-opts .option:hover{transform:translateY(-2px)}.kid-opts .option strong{display:none}.thread-toast{display:flex;align-items:center;gap:12px;background:linear-gradient(180deg,#fff7e6,#fff);border:2px solid var(--accent);border-radius:18px;padding:14px 16px;margin-top:16px}[data-theme=dark] .thread-toast{background:var(--card)}.thread-toast strong{font-family:var(--font-display,system-ui),sans-serif;color:var(--ink);font-size:1.12rem}body.has-appnav{padding-bottom:78px}.appnav{position:fixed;left:0;right:0;bottom:0;z-index:80;background:rgba(255,255,255,.92);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-top:1px solid var(--line);padding:6px 8px calc(6px + env(safe-area-inset-bottom, 0px))}.appnav-inner{display:flex;justify-content:space-around;align-items:stretch;max-width:560px;margin:0 auto;gap:2px}.appnav-tab{flex:1 1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;padding:7px 4px;border-radius:12px;color:var(--muted);text-decoration:none;font-size:.66rem;font-weight:700;cursor:pointer;list-style:none}.appnav-tab::-webkit-details-marker{display:none}.appnav-tab svg{width:24px;height:24px}.appnav-tab span{line-height:1}.appnav-tab.on{color:var(--brand)}.appnav-tab:hover{color:var(--ink);text-decoration:none}.appnav-more{position:relative;flex:1 1;display:flex}.appnav-more>summary{flex:1 1}.appnav-more[open]>summary{color:var(--brand)}.appnav-more-panel{position:absolute;right:6px;bottom:calc(100% + 8px);background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);padding:6px;min-width:210px;display:flex;flex-direction:column}.appnav-more-panel a{padding:11px 14px;border-radius:9px;color:var(--ink);font-weight:600;font-size:.92rem;text-decoration:none}.appnav-more-panel a:hover{background:var(--surface);text-decoration:none}.appnav-more-panel a.on{color:var(--brand);background:var(--brand-tint)}.appnav-more-sep{display:block;height:1px;background:var(--line);margin:5px 8px}@media (min-width:860px){body.has-appnav{padding-bottom:96px}.appnav{left:50%;right:auto;transform:translateX(-50%);bottom:18px;border:1px solid var(--line);border-radius:999px;box-shadow:var(--shadow);padding:7px 12px}.appnav-inner{max-width:none;gap:6px}.appnav-tab{flex-direction:row;gap:8px;padding:9px 18px;border-radius:999px;font-size:.9rem}.appnav-tab svg{width:20px;height:20px}.appnav-tab.on{background:var(--brand-tint)}.appnav-more{flex:0 0 auto}.appnav-more-panel{right:0}}[data-theme=dark] .appnav{background:rgba(11,18,32,.92)}[data-theme=dark] .appnav-more-panel{background:var(--card)}.subj-ico{border-radius:13px;flex:none;display:grid;place-items:center}.subjcard{display:flex;align-items:center;gap:14px;background:var(--card);border:1px solid var(--line);border-radius:16px;padding:14px 16px;text-decoration:none;color:inherit;transition:transform .16s,box-shadow .16s,border-color .16s}.subjcard:hover{transform:translateY(-2px);box-shadow:var(--shadow);border-color:var(--st,var(--brand));text-decoration:none}.subjcard .subj-meta{flex:1 1;min-width:0;display:flex;flex-direction:column}.subjcard .subj-t{font-weight:700;color:var(--ink);line-height:1.25}.subjcard .subj-s{font-size:.82rem;color:var(--muted);margin-top:2px}.subjcard .subj-chev{color:var(--st,var(--brand));font-size:1.15rem;flex:none;transition:transform .16s}.subjcard:hover .subj-chev{transform:translateX(3px)}.subjcard.pick{width:100%;text-align:left;cursor:pointer;border-width:1.5px}.subjcard.pick .subj-check{width:26px;height:26px;border-radius:8px;border:2px solid var(--line);display:grid;place-items:center;flex:none;color:#fff;font-weight:800;font-size:.85rem;transition:background .14s,border-color .14s}.subjcard.pick:hover{transform:translateY(-2px);box-shadow:var(--shadow);border-color:var(--st,var(--brand))}.subjcard.pick.on{border-color:var(--st,var(--brand));box-shadow:0 0 0 1px var(--st,var(--brand)) inset,0 6px 18px color-mix(in srgb,var(--st,var(--brand)) 16%,transparent)}.subjcard.pick.on .subj-check{background:var(--st,var(--brand));border-color:var(--st,var(--brand))}[data-mode=kids] .subjcard{border-radius:20px;border-width:2px;padding:16px 18px}[data-mode=kids] .subjcard .subj-t{font-size:1.06rem}@font-face{font-family:Bricolage Grotesque;font-style:normal;font-weight:600;font-stretch:100%;font-display:swap;src:url(/_next/static/media/93a6e477e1480c92-s.woff2) format("woff2");unicode-range:u+0102-0103,u+0110-0111,u+0128-0129,u+0168-0169,u+01a0-01a1,u+01af-01b0,u+0300-0301,u+0303-0304,u+0308-0309,u+0323,u+0329,u+1ea0-1ef9,u+20ab}@font-face{font-family:Bricolage Grotesque;font-style:normal;font-weight:600;font-stretch:100%;font-display:swap;src:url(/_next/static/media/c7e0cf6c760983e7-s.woff2) format("woff2");unicode-range:u+0100-02ba,u+02bd-02c5,u+02c7-02cc,u+02ce-02d7,u+02dd-02ff,u+0304,u+0308,u+0329,u+1d00-1dbf,u+1e00-1e9f,u+1ef2-1eff,u+2020,u+20a0-20ab,u+20ad-20c0,u+2113,u+2c60-2c7f,u+a720-a7ff}@font-face{font-family:Bricolage Grotesque;font-style:normal;font-weight:600;font-stretch:100%;font-display:swap;src:url(/_next/static/media/9d5a263311222317-s.p.woff2) format("woff2");unicode-range:u+00??,u+0131,u+0152-0153,u+02bb-02bc,u+02c6,u+02da,u+02dc,u+0304,u+0308,u+0329,u+2000-206f,u+20ac,u+2122,u+2191,u+2193,u+2212,u+2215,u+feff,u+fffd}@font-face{font-family:Bricolage Grotesque;font-style:normal;font-weight:700;font-stretch:100%;font-display:swap;src:url(/_next/static/media/93a6e477e1480c92-s.woff2) format("woff2");unicode-range:u+0102-0103,u+0110-0111,u+0128-0129,u+0168-0169,u+01a0-01a1,u+01af-01b0,u+0300-0301,u+0303-0304,u+0308-0309,u+0323,u+0329,u+1ea0-1ef9,u+20ab}@font-face{font-family:Bricolage Grotesque;font-style:normal;font-weight:700;font-stretch:100%;font-display:swap;src:url(/_next/static/media/c7e0cf6c760983e7-s.woff2) format("woff2");unicode-range:u+0100-02ba,u+02bd-02c5,u+02c7-02cc,u+02ce-02d7,u+02dd-02ff,u+0304,u+0308,u+0329,u+1d00-1dbf,u+1e00-1e9f,u+1ef2-1eff,u+2020,u+20a0-20ab,u+20ad-20c0,u+2113,u+2c60-2c7f,u+a720-a7ff}@font-face{font-family:Bricolage Grotesque;font-style:normal;font-weight:700;font-stretch:100%;font-display:swap;src:url(/_next/static/media/9d5a263311222317-s.p.woff2) format("woff2");unicode-range:u+00??,u+0131,u+0152-0153,u+02bb-02bc,u+02c6,u+02da,u+02dc,u+0304,u+0308,u+0329,u+2000-206f,u+20ac,u+2122,u+2191,u+2193,u+2212,u+2215,u+feff,u+fffd}@font-face{font-family:Bricolage Grotesque;font-style:normal;font-weight:800;font-stretch:100%;font-display:swap;src:url(/_next/static/media/93a6e477e1480c92-s.woff2) format("woff2");unicode-range:u+0102-0103,u+0110-0111,u+0128-0129,u+0168-0169,u+01a0-01a1,u+01af-01b0,u+0300-0301,u+0303-0304,u+0308-0309,u+0323,u+0329,u+1ea0-1ef9,u+20ab}@font-face{font-family:Bricolage Grotesque;font-style:normal;font-weight:800;font-stretch:100%;font-display:swap;src:url(/_next/static/media/c7e0cf6c760983e7-s.woff2) format("woff2");unicode-range:u+0100-02ba,u+02bd-02c5,u+02c7-02cc,u+02ce-02d7,u+02dd-02ff,u+0304,u+0308,u+0329,u+1d00-1dbf,u+1e00-1e9f,u+1ef2-1eff,u+2020,u+20a0-20ab,u+20ad-20c0,u+2113,u+2c60-2c7f,u+a720-a7ff}@font-face{font-family:Bricolage Grotesque;font-style:normal;font-weight:800;font-stretch:100%;font-display:swap;src:url(/_next/static/media/9d5a263311222317-s.p.woff2) format("woff2");unicode-range:u+00??,u+0131,u+0152-0153,u+02bb-02bc,u+02c6,u+02da,u+02dc,u+0304,u+0308,u+0329,u+2000-206f,u+20ac,u+2122,u+2191,u+2193,u+2212,u+2215,u+feff,u+fffd}@font-face{font-family:Bricolage Grotesque Fallback;src:local("Arial");ascent-override:88.21%;descent-override:25.61%;line-gap-override:0.00%;size-adjust:105.43%}.__className_01ae00{font-family:Bricolage Grotesque,Bricolage Grotesque Fallback;font-style:normal}.__variable_01ae00{--font-display:"Bricolage Grotesque","Bricolage Grotesque Fallback"}@font-face{font-family:Spline Sans Mono;font-style:normal;font-weight:500;font-display:swap;src:url(/_next/static/media/59829bb575d36b50-s.woff2) format("woff2");unicode-range:u+0100-02ba,u+02bd-02c5,u+02c7-02cc,u+02ce-02d7,u+02dd-02ff,u+0304,u+0308,u+0329,u+1d00-1dbf,u+1e00-1e9f,u+1ef2-1eff,u+2020,u+20a0-20ab,u+20ad-20c0,u+2113,u+2c60-2c7f,u+a720-a7ff}@font-face{font-family:Spline Sans Mono;font-style:normal;font-weight:500;font-display:swap;src:url(/_next/static/media/e02f7a71372872a3-s.p.woff2) format("woff2");unicode-range:u+00??,u+0131,u+0152-0153,u+02bb-02bc,u+02c6,u+02da,u+02dc,u+0304,u+0308,u+0329,u+2000-206f,u+20ac,u+2122,u+2191,u+2193,u+2212,u+2215,u+feff,u+fffd}@font-face{font-family:Spline Sans Mono;font-style:normal;font-weight:600;font-display:swap;src:url(/_next/static/media/59829bb575d36b50-s.woff2) format("woff2");unicode-range:u+0100-02ba,u+02bd-02c5,u+02c7-02cc,u+02ce-02d7,u+02dd-02ff,u+0304,u+0308,u+0329,u+1d00-1dbf,u+1e00-1e9f,u+1ef2-1eff,u+2020,u+20a0-20ab,u+20ad-20c0,u+2113,u+2c60-2c7f,u+a720-a7ff}@font-face{font-family:Spline Sans Mono;font-style:normal;font-weight:600;font-display:swap;src:url(/_next/static/media/e02f7a71372872a3-s.p.woff2) format("woff2");unicode-range:u+00??,u+0131,u+0152-0153,u+02bb-02bc,u+02c6,u+02da,u+02dc,u+0304,u+0308,u+0329,u+2000-206f,u+20ac,u+2122,u+2191,u+2193,u+2212,u+2215,u+feff,u+fffd}@font-face{font-family:Spline Sans Mono Fallback;src:local("Arial");ascent-override:71.59%;descent-override:17.57%;line-gap-override:0.00%;size-adjust:134.59%}.__className_ff4c18{font-family:Spline Sans Mono,Spline Sans Mono Fallback;font-style:normal}.__variable_ff4c18{--font-mono:"Spline Sans Mono","Spline Sans Mono Fallback"}:root{--color-primary:#D4881A;--color-primary-strong:#A66A12;--color-primary-tint:#FCF3E1;--color-primary-tint-2:#F3DFB8;--color-on-primary:#1C1814;--color-secondary:#1C5C2E;--color-secondary-strong:#134220;--color-secondary-tint:#E7F1EA;--color-secondary-tint-2:#C5DCCC;--color-on-secondary:#F7F0E6;--color-accent:#C03A1A;--color-accent-strong:#992D13;--color-accent-tint:#FBEAE4;--color-accent-tint-2:#F1C7BB;--color-on-accent:#F7F0E6;--color-ink:#1C1814;--color-body:#4A4036;--color-muted:#8A7B66;--color-line:#E4D8C4;--color-bg:#F7F0E6;--color-surface:#EFE6D7;--color-card:#FFFDF9;--color-correct:#2A7A3B;--color-incorrect:#D63C2A;--color-warning:#F0A500;--color-info:#2A6099;--color-streak:#E8590C;--color-on-correct:#FFFFFF;--color-on-incorrect:#FFFFFF;--font-display:var(--font-display-google,"Bricolage Grotesque"),system-ui,sans-serif;--font-sans:var(--font-sans-google,system-ui),-apple-system,"Segoe UI",Roboto,Arial,sans-serif;--font-mono:var(--font-mono-google,"JetBrains Mono"),ui-monospace,"SF Mono",Menlo,monospace;--text-xs:0.75rem;--lh-xs:1.4;--text-sm:0.875rem;--lh-sm:1.5;--text-base:1rem;--lh-base:1.6;--text-lg:1.125rem;--lh-lg:1.45;--text-xl:1.375rem;--lh-xl:1.3;--text-2xl:1.75rem;--lh-2xl:1.2;--text-display:2rem;--lh-display:1.1;--weight-body:400;--weight-medium:500;--weight-heading:700;--weight-display:800;--sp:4px;--space-1:var(--sp);--space-2:calc(var(--sp) * 2);--space-3:calc(var(--sp) * 3);--space-4:calc(var(--sp) * 4);--space-5:calc(var(--sp) * 6);--space-6:calc(var(--sp) * 8);--space-7:calc(var(--sp) * 12);--radius-sm:7px;--radius:10px;--radius-lg:14px;--radius-pill:999px;--shadow-sm:0 1px 2px rgba(28,24,20,0.08);--shadow:0 1px 2px rgba(28,24,20,0.06),0 8px 24px rgba(28,24,20,0.08);--shadow-press:0 4px 0 rgba(28,24,20,0.12);--tap-min:44px;--btn-height:42px;--btn-px:16px;--btn-radius:var(--radius-sm);--btn-font:var(--text-base);--card-pad:16px;--card-radius:var(--radius);--input-height:42px;--brand:var(--color-ink);--brand-dark:#0D0A07;--brand-tint:var(--color-primary-tint);--brand-tint-2:var(--color-primary-tint-2);--accent:var(--color-primary);--accent-tint:var(--color-primary-tint);--ink:var(--color-ink);--body:var(--color-body);--muted:var(--color-muted);--line:var(--color-line);--surface:var(--color-surface);--bg:var(--color-bg);--card:var(--color-card);--success:var(--color-correct);--warn:var(--color-warning);--danger:var(--color-incorrect);--hl-coral:var(--color-accent);--hl-pink:var(--color-primary-strong);--hl-sky:var(--color-secondary);--hl-violet:var(--color-accent-strong);--radius:var(--radius)}body{background:radial-gradient(820px 460px at 6% -8%,color-mix(in srgb,var(--color-primary) 12%,transparent) 0,transparent 60%),radial-gradient(760px 420px at 98% 0,color-mix(in srgb,var(--color-secondary) 9%,transparent) 0,transparent 58%),radial-gradient(880px 520px at 100% 104%,color-mix(in srgb,var(--color-accent) 7%,transparent) 0,transparent 60%),var(--color-bg);background-attachment:fixed;color:var(--color-body)}.tier-primary,[data-tier=primary]{--sp:5px;--radius-sm:16px;--radius:22px;--radius-lg:28px;--color-primary:#E0911E;--shadow-sm:0 3px 0 rgba(28,24,20,0.06);--shadow:0 6px 0 rgba(28,24,20,0.07);--text-xs:1rem;--lh-xs:1.5;--text-sm:1.05rem;--lh-sm:1.6;--text-base:1.15rem;--lh-base:1.7;--text-lg:1.4rem;--lh-lg:1.5;--text-xl:1.75rem;--lh-xl:1.35;--text-2xl:2.2rem;--lh-2xl:1.2;--text-display:2.6rem;--lh-display:1.08;--weight-body:600;--weight-medium:700;--weight-heading:800;--tap-min:56px;--btn-height:56px;--btn-px:24px;--btn-radius:var(--radius-pill);--btn-font:1.1rem;--card-pad:20px;--card-radius:var(--radius);--input-height:54px}.tier-upper-primary,[data-tier=upper-primary]{--sp:4px;--radius-sm:10px;--radius:14px;--radius-lg:18px;--text-xs:0.8rem;--lh-xs:1.45;--text-sm:0.9rem;--lh-sm:1.55;--text-base:1.05rem;--lh-base:1.65;--text-lg:1.25rem;--lh-lg:1.45;--text-xl:1.55rem;--lh-xl:1.3;--text-2xl:1.95rem;--lh-2xl:1.2;--text-display:2.2rem;--lh-display:1.1;--weight-body:500;--weight-medium:600;--weight-heading:800;--tap-min:48px;--btn-height:48px;--btn-px:20px;--btn-radius:var(--radius);--btn-font:1rem;--card-pad:18px;--card-radius:var(--radius);--input-height:46px}.tier-secondary,[data-tier=secondary]{--sp:3.5px;--radius-sm:7px;--radius:10px;--radius-lg:12px;--color-surface:#ECE3D3;--shadow-sm:0 1px 2px rgba(28,24,20,0.07);--shadow:0 1px 3px rgba(28,24,20,0.08),0 6px 16px rgba(28,24,20,0.06);--text-xs:0.72rem;--lh-xs:1.4;--text-sm:0.85rem;--lh-sm:1.5;--text-base:0.95rem;--lh-base:1.6;--text-lg:1.1rem;--lh-lg:1.45;--text-xl:1.35rem;--lh-xl:1.3;--text-2xl:1.7rem;--lh-2xl:1.2;--text-display:2rem;--lh-display:1.1;--weight-body:400;--weight-medium:500;--weight-heading:700;--tap-min:44px;--btn-height:42px;--btn-px:16px;--btn-radius:var(--radius-sm);--btn-font:0.95rem;--card-pad:16px;--card-radius:var(--radius);--input-height:42px}[data-theme=dark]{--color-primary:#E8A53D;--color-primary-strong:#F2B85A;--color-primary-tint:#2E2410;--color-primary-tint-2:#44340F;--color-on-primary:#161310;--color-secondary:#4FA86B;--color-secondary-strong:#6BC086;--color-secondary-tint:#14241A;--color-secondary-tint-2:#1E3A28;--color-accent:#E45A38;--color-accent-strong:#F07452;--color-accent-tint:#2E1610;--color-accent-tint-2:#45211A;--color-ink:#F5EEE2;--color-body:#D8CCB8;--color-muted:#9E8E78;--color-line:#3A3128;--color-bg:#161310;--color-surface:#211C16;--color-card:#262019;--color-correct:#46B45F;--color-incorrect:#F0654F;--color-warning:#F5B838;--color-info:#5B93C9;--color-streak:#FF7A33;--shadow-sm:0 1px 2px rgba(0,0,0,0.5);--shadow:0 1px 2px rgba(0,0,0,0.5),0 8px 24px rgba(0,0,0,0.45);--shadow-press:0 4px 0 rgba(0,0,0,0.55);--brand:var(--color-ink);--brand-dark:#FFFFFF;--brand-tint:var(--color-primary-tint);--brand-tint-2:var(--color-primary-tint-2);--accent:var(--color-primary);--accent-tint:var(--color-primary-tint);--ink:var(--color-ink);--body:var(--color-body);--muted:var(--color-muted);--line:var(--color-line);--surface:var(--color-surface);--bg:var(--color-bg);--card:var(--color-card);--success:var(--color-correct);--warn:var(--color-warning);--danger:var(--color-incorrect)}[data-theme=dark] body{background:var(--color-bg);color:var(--color-body)}.sr-btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);min-height:var(--btn-height);padding:0 var(--btn-px);border-radius:var(--btn-radius);border:1px solid transparent;font-family:var(--font-sans);font-size:var(--btn-font);font-weight:var(--weight-display);cursor:pointer;text-decoration:none;white-space:nowrap;transition:transform .12s,background .15s}.sr-btn:active{transform:translateY(1px)}.sr-btn--primary{background:var(--color-primary);color:var(--color-on-primary)}.sr-btn--primary:hover{background:var(--color-primary-strong)}.sr-btn--secondary{background:var(--color-secondary);color:var(--color-on-secondary)}.sr-btn--accent{background:var(--color-accent);color:var(--color-on-accent)}.sr-btn--ghost{background:var(--color-card);color:var(--color-ink);border-color:var(--color-line)}.tier-primary .sr-btn--primary,[data-tier=primary] .sr-btn--primary{box-shadow:var(--shadow-press)}.tier-primary .sr-btn--primary:active,[data-tier=primary] .sr-btn--primary:active{box-shadow:0 1px 0 rgba(28,24,20,.12);transform:translateY(3px)}.sr-card{background:var(--color-card);border:1px solid var(--color-line);border-radius:var(--card-radius);padding:var(--card-pad);box-shadow:var(--shadow-sm)}.tier-primary .sr-card,[data-tier=primary] .sr-card{border-width:2px}.sr-input{width:100%;min-height:var(--input-height);padding:0 var(--space-4);background:var(--color-card);color:var(--color-ink);border:1.5px solid var(--color-line);border-radius:var(--radius-sm);font-family:var(--font-sans);font-size:var(--text-base)}.sr-input:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px color-mix(in srgb,var(--color-primary) 22%,transparent)}.sr-correct{border-color:var(--color-correct)!important;background:color-mix(in srgb,var(--color-correct) 10%,var(--color-card))!important}.sr-incorrect{border-color:var(--color-incorrect)!important;background:color-mix(in srgb,var(--color-incorrect) 10%,var(--color-card))!important}.tier-primary .appnav-tab,[data-tier=primary] .appnav-tab{font-size:1rem;gap:4px;padding:8px 4px}.tier-primary .appnav-tab svg,[data-tier=primary] .appnav-tab svg{width:30px;height:30px}.tier-primary.appnav,[data-tier=primary] .appnav{padding-top:8px}@keyframes sr-page-turn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}.pt{animation:sr-page-turn .42s cubic-bezier(.22,.7,.3,1) both;animation-delay:var(--pt-delay,0s)}@media (prefers-reduced-motion:reduce){.pt{animation:none}}.btn,.btn-sm{min-height:44px}.tier-primary .btn,[data-tier=primary] .btn{min-height:var(--tap-min)}:root{--band-weak-fg:#B42318;--band-weak-bg:#FCEBE9;--band-developing-fg:#8A5300;--band-developing-bg:#FBF0DC;--band-strong-fg:#1C5C2E;--band-strong-bg:#E5F0E8;--band-neutral-fg:#5C5347;--band-neutral-bg:#EFE6D7}[data-theme=dark]{--band-weak-fg:#FCA99B;--band-weak-bg:#3A1A14;--band-developing-fg:#F2C36B;--band-developing-bg:#3A2A12;--band-strong-fg:#8FD6A2;--band-strong-bg:#16301F;--band-neutral-fg:#B8A98F;--band-neutral-bg:#2A2118}.nr-progress{position:fixed;top:0;left:0;right:0;height:4px;z-index:60;pointer-events:none}.nr-progress>span{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--color-primary),var(--color-accent))}.nr-head{margin:4px 0 24px}.nr-eyebrow{font-size:.72rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--color-primary-strong)}.nr-title{font-family:var(--font-display);font-weight:800;font-size:clamp(1.7rem,5.5vw,2.5rem);line-height:1.1;letter-spacing:-.02em;margin:.3rem 0 0;color:var(--color-ink)}.nr-meta{display:inline-flex;align-items:center;gap:8px;margin-top:12px;font-size:.9rem;font-weight:600;color:var(--color-muted)}.nr-prose{font-size:1.13rem;line-height:1.85;color:var(--color-body);max-width:64ch}.nr-prose>p{margin:0 0 1.15em}.nr-prose h2{font-size:1.5rem;line-height:1.2;color:var(--color-ink);margin:1.9em 0 .6em;padding-left:14px;border-left:4px solid var(--color-primary);scroll-margin-top:72px}.nr-dropcap:first-letter,.nr-prose h2{font-family:var(--font-display);font-weight:800}.nr-dropcap:first-letter{float:left;font-size:3.4em;line-height:.78;padding:6px 12px 0 0;color:var(--color-primary)}.nr-list{list-style:none;padding:0;margin:0 0 1.15em}.nr-list li{position:relative;padding-left:28px;margin:.5em 0}.nr-list li:before{content:"";position:absolute;left:6px;top:.62em;width:8px;height:8px;border-radius:2px;background:var(--color-primary);transform:rotate(45deg)}.nr-fig{margin:1.7em 0;text-align:center}.nr-fig img{max-width:100%;border-radius:14px;border:1px solid var(--color-line);box-shadow:var(--shadow-sm)}.nr-fig figcaption{font-size:.85rem;color:var(--color-muted);margin-top:8px}.nr-callout{position:relative;border-radius:14px;padding:14px 16px 14px 54px;margin:1.5em 0;border:1px solid var(--color-line);background:var(--color-card)}.nr-callout .nr-ic{position:absolute;left:14px;top:14px;width:28px;height:28px;border-radius:9px;display:grid;place-items:center;color:#fff}.nr-callout .nr-ic svg{width:17px;height:17px}.nr-callout strong{display:block;font-size:.74rem;font-weight:800;letter-spacing:.07em;text-transform:uppercase;margin-bottom:4px}.nr-callout p,.nr-callout ul{margin:0}.nr-callout--tip{background:var(--band-strong-bg);border-color:color-mix(in srgb,var(--color-correct) 28%,var(--color-line))}.nr-callout--tip .nr-ic{background:var(--color-correct)}.nr-callout--tip strong{color:var(--band-strong-fg)}.nr-callout--mistake{background:var(--band-weak-bg);border-color:color-mix(in srgb,var(--color-incorrect) 26%,var(--color-line))}.nr-callout--mistake .nr-ic{background:var(--color-incorrect)}.nr-callout--mistake strong{color:var(--band-weak-fg)}.nr-callout--example{background:var(--color-primary-tint);border-color:var(--color-primary-tint-2)}.nr-callout--example .nr-ic{background:var(--color-primary);color:var(--color-on-primary)}.nr-callout--example strong{color:var(--color-primary-strong)}.nr-callout--note .nr-ic{background:var(--color-muted)}.nr-callout--note strong{color:var(--color-muted)}.nr-reveal{opacity:0;transform:translateY(12px);transition:opacity .5s ease,transform .5s cubic-bezier(.22,.7,.3,1)}.nr-reveal.in{opacity:1;transform:none}.nr-done{margin-top:40px;padding:24px;border-radius:16px;text-align:center;background:linear-gradient(135deg,var(--color-primary-tint),var(--color-card));border:2px solid var(--color-primary)}.nr-done strong{display:block;font-family:var(--font-display);font-size:1.25rem;color:var(--color-ink)}.nr-done p{margin:6px 0 16px;color:var(--color-body)}@media (prefers-reduced-motion:reduce){.nr-reveal{opacity:1;transform:none;transition:none}}