@font-face{font-family:Atkinson Hyperlegible Next;font-style:normal;font-display:swap;font-weight:200 800;src:url(/assets/atkinson-hyperlegible-next-latin-wght-normal-BcXVPD7q.woff2) format("woff2");unicode-range:U+0000-00FF,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:Atkinson Hyperlegible Next;font-style:normal;font-display:swap;font-weight:200 800;src:url(/assets/atkinson-hyperlegible-next-latin-ext-wght-normal-C6vrW8VD.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:Atkinson Hyperlegible Next;font-style:italic;font-display:swap;font-weight:200 800;src:url(/assets/atkinson-hyperlegible-next-latin-wght-italic-DC5MiAaX.woff2) format("woff2");unicode-range:U+0000-00FF,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:Atkinson Hyperlegible Next;font-style:italic;font-display:swap;font-weight:200 800;src:url(/assets/atkinson-hyperlegible-next-latin-ext-wght-italic-Cigfgs4r.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:Inter;font-style:normal;font-display:swap;font-weight:100 900;src:url(/assets/inter-latin-opsz-normal-BwkfbSeq.woff2) format("woff2");unicode-range:U+0000-00FF,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:Inter;font-style:normal;font-display:swap;font-weight:100 900;src:url(/assets/inter-latin-ext-opsz-normal-DpK-iCPk.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:Inter;font-style:normal;font-display:swap;font-weight:100 900;src:url(/assets/inter-greek-opsz-normal-BM0NlUE_.woff2) format("woff2");unicode-range:U+0370-0377,U+037A-037F,U+0384-038A,U+038C,U+038E-03A1,U+03A3-03FF}:root{--font-sans: "Atkinson Hyperlegible Next", "Inter", ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif}:root,[data-theme=dark] .model-figure{--bg: #f7f8fc;--surface: #fff;--surface-soft: #f3f5f8;--surface-sunk: #e8ecf2;--glass: #ffffffc0;--paper: #f5f9f5;--ink: #172d32;--ink-soft: #33474f;--muted: #50636b;--line: #dce3e8;--line-strong: #b4becb;--focus: #287bb2;--scrim: #172d3277;--green: #126b54;--mint: #edf6ee;--mint-line: #c4ddcd;--action: #1f4fa3;--action-hover: #183f85;--action-bright: #3d6fc7;--action-soft: #2f5c9e;--on-accent: #fff;--wash: #edf2fb;--wash-soft: #f6f8fd;--wash-strong: #e4ecf9;--wash-line: #c9d6ee;--tint: #eaf0fb;--tint-strong: #dce6f7;--tint-line: #c9d6ee;--tint-accent: #4a6fb0;--pressed-bg: #bcd0f0;--pressed-ink: #12294f;--maths-ink: #142f66;--maths-chip: #1f4fa312;--maths-chip-line: #1f4fa340;--highlight: #ffc94d;--highlight-ink: #3a2a00;--violet: #6840df;--violet-ring: #6840df29;--violet-ink: #4d2d9f;--lavender: #f0ecff;--lavender-strong: #e5dcff;--lavender-line: #ddd3ff;--warm: #fff9ed;--warm-strong: #ffedb7;--warm-line: #f0d7a5;--warm-ink: #80551c;--amber: #f5b942;--red: #a52e35;--error-bg: #fff2ef;--error-line: #e6b6b0;--error-ink: #872a2a;--sky: #dfedff;--sky-ink: #234e91;--nav-bg: #14233f;--nav-hover: #24385e;--nav-line: #4a5f85;--nav-ink: #f2f5fb;--nav-muted: #c8d2e4}:root{color-scheme:light}:root[data-theme=dark]{color-scheme:dark;--bg: #0e1524;--surface: #162033;--surface-soft: #1b2740;--surface-sunk: #25324d;--glass: #0e152480;--paper: #f5f9f5;--ink: #e6ecf5;--ink-soft: #c7d1e0;--muted: #a3b1c5;--line: #2c3a54;--line-strong: #4c5d7b;--focus: #6cb6ea;--scrim: #000000a6;--green: #5cc79f;--mint: #17302b;--mint-line: #2e5247;--action: #8fb4f5;--action-hover: #a9c6f8;--action-bright: #bcd4fa;--action-soft: #9dbdf2;--on-accent: #0a1c38;--wash: #18263f;--wash-soft: #15213a;--wash-strong: #1e2e4c;--wash-line: #31466d;--tint: #1a2947;--tint-strong: #24365a;--tint-line: #34496f;--tint-accent: #8fb4f5;--pressed-bg: #2d4673;--pressed-ink: #e8f0fc;--maths-ink: #dde8ff;--maths-chip: #8fb4f51f;--maths-chip-line: #8fb4f552;--highlight: #f2be4d;--highlight-ink: #2b1f00;--violet: #a891ff;--violet-ring: #a891ff33;--violet-ink: #c7b8ff;--lavender: #231e3d;--lavender-strong: #2e2752;--lavender-line: #3b3366;--warm: #2e2412;--warm-strong: #4a3714;--warm-line: #5a4520;--warm-ink: #f0c27a;--amber: #e8b04a;--red: #f08a8a;--error-bg: #3a1c1c;--error-line: #6e3434;--error-ink: #f4a9a3;--sky: #1b2c45;--sky-ink: #a8c8f5;--nav-bg: #0b1424;--nav-hover: #1b2a45;--nav-line: #36486a}[data-theme=dark] .model-figure{color:var(--ink);color-scheme:light}@media(prefers-color-scheme:dark){html:not([data-theme]){background:#0e1524}}.high-contrast,.high-contrast[data-theme=dark] .model-figure{--muted: #263d40;--line: #748c87;--violet: #4e279f;--green: #07503b;--action: #153a7d}.high-contrast[data-theme=dark]{--muted: #c9d8d6;--line: #6f8a8e;--violet: #c2b2ff;--green: #7fe0bb;--action: #a9c6f8;--ink-soft: #e6ecf5}[data-topic-group]{--topic-accent: #246347;--topic-tint: #f0f8f1;--topic-pill: #d9eddd;--topic-border: #b8d9c0}[data-topic-group="1-2"]{--topic-accent: #235b91;--topic-tint: #f0f6fd;--topic-pill: #deebfa;--topic-border: #b8d1eb}[data-topic-group="1-3"]{--topic-accent: #694493;--topic-tint: #f7f2fc;--topic-pill: #eadef7;--topic-border: #d7c5eb}[data-topic-group="1-4"]{--topic-accent: #90471f;--topic-tint: #fff6ed;--topic-pill: #fbe4cf;--topic-border: #e9c6a7}[data-topic-group="2-1"]{--topic-accent: #156568;--topic-tint: #edf9f7;--topic-pill: #d2eeea;--topic-border: #a8d7d1}[data-topic-group="2-2"]{--topic-accent: #953c62;--topic-tint: #fff2f7;--topic-pill: #f8dfeb;--topic-border: #e9b9cf}[data-topic-group="2-3"]{--topic-accent: #4b4d9d;--topic-tint: #f3f3ff;--topic-pill: #e1e2fb;--topic-border: #c4c6ec}[data-topic-group="3-1"]{--topic-accent: #6b5410;--topic-tint: #fffaeb;--topic-pill: #f6ebc4;--topic-border: #e6d49a}[data-topic-group="3-2"]{--topic-accent: #0f5f7a;--topic-tint: #effafd;--topic-pill: #d6eef5;--topic-border: #a9d6e3}[data-topic-group="3-3"]{--topic-accent: #a02c3c;--topic-tint: #fff4f5;--topic-pill: #fbe1e4;--topic-border: #efb8c0}[data-topic-group="4-1"]{--topic-accent: #3d5166;--topic-tint: #f5f7fa;--topic-pill: #e2e8ef;--topic-border: #c3cedb}[data-topic-group="4-2"]{--topic-accent: #7d2f86;--topic-tint: #fcf4fd;--topic-pill: #f4def6;--topic-border: #dfb8e4}[data-theme=dark] [data-topic-group]{--topic-accent: #9cddc0;--topic-tint: #223333;--topic-pill: #314744;--topic-border: #496960}[data-theme=dark] [data-topic-group="1-2"]{--topic-accent: #92bde7;--topic-tint: #213036;--topic-pill: #2f414c;--topic-border: #455d6f}[data-theme=dark] [data-topic-group="1-3"]{--topic-accent: #bba3d6;--topic-tint: #252e35;--topic-pill: #373c48;--topic-border: #555368}[data-theme=dark] [data-topic-group="1-4"]{--topic-accent: #eab090;--topic-tint: #292f2f;--topic-pill: #403e3a;--topic-border: #67584e}[data-theme=dark] [data-topic-group="2-1"]{--topic-accent: #8ee8eb;--topic-tint: #213437;--topic-pill: #2e4a4d;--topic-border: #446d70}[data-theme=dark] [data-topic-group="2-2"]{--topic-accent: #da9fb8;--topic-tint: #282d32;--topic-pill: #3d3b42;--topic-border: #60525d}[data-theme=dark] [data-topic-group="2-3"]{--topic-accent: #a4a5d5;--topic-tint: #232e35;--topic-pill: #323c48;--topic-border: #4c5468}[data-theme=dark] [data-topic-group="3-1"]{--topic-accent: #f0d689;--topic-tint: #2a322e;--topic-pill: #424639;--topic-border: #69664b}[data-theme=dark] [data-topic-group="3-2"]{--topic-accent: #86d8f3;--topic-tint: #203238;--topic-pill: #2c464e;--topic-border: #416773}[data-theme=dark] [data-topic-group="3-3"]{--topic-accent: #e495a0;--topic-tint: #292c30;--topic-pill: #3f393e;--topic-border: #644e54}[data-theme=dark] [data-topic-group="4-1"]{--topic-accent: #abbcce;--topic-tint: #233034;--topic-pill: #344147;--topic-border: #4f5d65}[data-theme=dark] [data-topic-group="4-2"]{--topic-accent: #d79bde;--topic-tint: #272d36;--topic-pill: #3d3a4a;--topic-border: #5f506b}:root{--figure-width: 480px;--figure-height: 440px;font-family:var(--font-sans);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility;color:var(--ink);background:var(--bg);font-synthesis:none;font-size:18px;line-height:1.55}@media(min-width:1330px){:root{--app-zoom: 1.125;zoom:var(--app-zoom)}}*{box-sizing:border-box}body{margin:0}button,input,select{font:inherit}button,a,input,select{touch-action:manipulation;-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{opacity:.5;cursor:not-allowed}a{color:var(--action);text-decoration:none}button{color:inherit}svg{width:24px;height:24px;stroke-width:1.8;flex-shrink:0}h1,h2,h3,p{margin-top:0}h1{font-size:36px;line-height:1.18;letter-spacing:-.01em;margin-bottom:14px;font-weight:700;outline:none}h2{font-size:24px;line-height:1.3;letter-spacing:0;margin-bottom:14px;font-weight:650}h3{font-size:20px;letter-spacing:-.01em;font-weight:650}p{color:var(--muted);margin-bottom:18px}small,.small{font-size:16px;color:var(--muted)}small{display:block}strong{font-weight:700}:focus-visible{outline:3px solid var(--focus);outline-offset:4px}button,input,select{min-height:48px}input,select{width:100%;border:1px solid var(--line);border-radius:12px;padding:12px 15px;background:var(--surface);color:var(--ink)}input:focus,select:focus{border-color:var(--action)}label{font-weight:600}fieldset{border:0;padding:0;margin:18px 0}legend{font-weight:600;margin-bottom:12px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:14px;min-height:52px;border:1px solid var(--action);border-radius:12px;background:var(--action);color:var(--on-accent);padding:12px 22px;font-size:16px;font-weight:700;line-height:1.5;transition:background .15s,transform .15s}.btn:hover:not(:disabled){background:var(--action-hover)}.btn:active:not(:disabled){transform:translateY(1px)}.btn.secondary{background:var(--surface);color:var(--ink);border-color:var(--line)}.btn.secondary:hover:not(:disabled){background:var(--wash)}.btn svg{width:21px;height:21px}.text-button{display:inline-flex;align-items:center;gap:10px;background:none;border:0;color:var(--action);font-weight:650;padding:8px 4px;font-size:16px;text-align:left}.brand{display:flex;align-items:center;gap:12px;color:var(--ink);font-size:23px;font-weight:750;letter-spacing:-.01em;white-space:nowrap}.brand svg{width:34px;height:34px;color:var(--action-soft)}.panel{border:1px solid var(--line);border-radius:16px;background:var(--surface);padding:28px}.heading{margin-bottom:32px}.heading p{margin-bottom:0}.app-shell{min-height:calc(100vh / var(--app-zoom, 1))}.sidebar{position:fixed;inset:0 auto 0 0;width:236px;background:var(--surface);border-right:1px solid var(--line);display:flex;flex-direction:column;padding:32px 20px;z-index:3;overflow-y:auto}.sidebar .brand{margin-bottom:36px}.sidebar nav{display:flex;flex-direction:column;gap:10px}.sidebar button{display:flex;align-items:center;gap:18px;padding:16px;border:0;background:transparent;text-align:left;font-size:16px;width:100%;border-radius:13px;min-height:54px}.sidebar button.active,.sidebar button:hover{background:var(--highlight);font-weight:700}.sidebar-bottom{margin-top:auto}.offline-status{display:flex;align-items:center;gap:14px;padding:20px 4px 30px;border-top:1px solid var(--line);font-size:14px}.offline-status small{font-size:13px;margin-top:5px}.offline-status svg{width:20px;color:var(--action)}.workspace{margin-left:236px}.learner-bar{height:102px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:20px 40px;background:var(--surface);gap:20px}.learner{display:flex;align-items:center;gap:16px}.avatar{width:52px;height:52px;border-radius:50%;background:var(--highlight);color:var(--highlight-ink);display:inline-flex;align-items:center;justify-content:center;font-size:23px;font-weight:750;flex-shrink:0;border:2px solid transparent}.avatar.chosen{border-color:var(--action);box-shadow:0 0 0 3px var(--surface),0 0 0 5px var(--action)}.header-actions{display:flex;align-items:center;gap:16px}.network-label{font-size:14px;color:var(--muted)}.settings-mobile{display:none}.main-content{max-width:1560px;margin:0 auto;padding:48px;outline:none}.dashboard-grid{display:grid;grid-template-columns:minmax(0,1.9fr) minmax(290px,1fr);gap:24px}.mission{background:var(--wash);padding:32px;min-height:294px}.mission h2{font-size:29px;margin:14px 0}.mission p{max-width:660px}.mission .btn{margin-top:8px}.stack{display:flex;flex-direction:column;gap:24px}.goal-circles{display:flex;gap:16px;flex-wrap:wrap;margin:30px 0}.goal-circles span{width:50px;height:50px;border:2px solid var(--line);border-radius:50%;display:flex;align-items:center;justify-content:center}.goal-circles .filled{background:var(--action);border-color:var(--action);color:var(--on-accent)}.tip{display:flex;align-items:flex-start;gap:12px;font-size:16px;margin:24px 4px}.tip svg{width:20px;color:var(--action);margin-top:2px}.rows{padding:0;overflow:hidden}.row{display:flex;gap:18px;align-items:center;padding:24px;background:var(--surface);width:100%;border:0;text-align:left;min-height:96px}.row:hover{background:var(--wash-soft)}.row+.row{border-top:1px solid var(--line)}.grow{flex:1;min-width:0}.row strong{font-size:18px;display:block}.row small{font-size:15px;margin-top:4px}.row>svg{width:18px;color:var(--muted)}.tile-icon{display:inline-flex;align-items:center;justify-content:center;border-radius:50%;width:48px;height:48px;flex-shrink:0;background:var(--wash);color:var(--action-soft)}.edition-note{font-size:14px;margin:28px 0}.save-footer{display:flex;justify-content:flex-end;align-items:center;gap:8px;font-size:14px;color:var(--muted);border-top:1px solid var(--line);padding-top:20px;margin-top:32px}.save-footer svg{width:20px;height:20px}.bottom-nav{display:none}.notice{padding:18px 20px;border:1px solid var(--wash-line);border-radius:12px;background:var(--wash);font-size:16px;margin:16px 0;color:var(--ink)}.notice p:last-child{margin-bottom:0}.notice.error{background:var(--error-bg);border-color:var(--error-line);color:var(--error-ink)}.notice.error p{color:inherit}.field-error{margin:6px 0 0;color:var(--error-ink);font-weight:600}.settings-feedback{position:sticky;top:12px;z-index:4}.settings-feedback .notice{box-shadow:0 6px 18px #0000001f}.global-alert{max-width:760px;margin:0 auto;padding:0 20px}.setup-wrap{max-width:640px;margin:0 auto;padding:48px 24px 80px}.setup-wrap>.brand{margin-bottom:48px}.setup-wrap .heading h1{font-size:38px}.setup-wrap .heading p{font-size:19px}.locked-screen .heading h1{font-size:30px;overflow-wrap:break-word}.locked-screen .panel{margin-top:24px}.form-panel{display:flex;flex-direction:column;align-items:stretch;gap:14px}.form-panel p{margin-bottom:6px}.form-panel .notice{margin:0}.form-panel label{font-size:16px}.form-panel form{display:flex;flex-direction:column;gap:14px}.form-panel h2{display:flex;gap:10px;align-items:center}.privacy-note{font-size:14px;margin-top:24px}.welcome-mark{width:80px;height:80px;display:flex;align-items:center;justify-content:center;background:var(--highlight);color:var(--highlight-ink);border-radius:24px;margin-bottom:24px}.welcome-mark svg{width:40px;height:40px}.setup-check{display:flex;align-items:center;gap:12px;font-size:16px;margin:8px 0}.setup-check svg{color:var(--action);width:20px}.profile-choice{display:flex;align-items:center;gap:18px;width:100%;background:var(--surface);border:0;border-bottom:1px solid var(--line);padding:20px 0;text-align:left}.profile-choice>span:nth-child(2){flex:1}.profiles .btn{margin-top:24px;width:100%}.avatar-options{display:flex;gap:14px;flex-wrap:wrap}.button-row{display:flex;gap:12px;flex-wrap:wrap}.filters{display:flex;gap:16px;margin-bottom:28px}.filters>select{width:auto;max-width:270px}.search{flex:1;position:relative}.search svg{position:absolute;left:14px;top:15px;color:var(--muted);width:22px}.search input{padding-left:46px}.topic-list{display:grid;gap:16px}.topic{display:flex;justify-content:space-between;gap:28px;align-items:center}.topic h3{margin:6px 0 10px;font-size:21px}.topic p{font-size:16px;max-width:700px;margin-bottom:10px}.topic .btn{flex-shrink:0}.detail-panel{max-width:760px}.detail-panel details{margin-top:24px}summary{cursor:pointer;min-height:48px;padding:12px 0;color:var(--ink)}.radio{display:flex;align-items:center;gap:12px;font-weight:400;margin:10px 0}.radio input{width:22px;height:22px;min-height:22px;accent-color:var(--action)}.mint{background:var(--wash)}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-bottom:24px}.stats .panel{display:flex;flex-direction:column;gap:8px}.stats svg{color:var(--action)}.stats strong{font-size:36px;letter-spacing:-.01em}.stats span{font-size:16px;color:var(--muted)}.badge{display:flex;gap:18px;padding:24px;border-radius:16px;background:var(--highlight);color:var(--highlight-ink);margin-bottom:28px}.badge>svg{width:36px;height:36px}.badge p{font-size:16px;margin:4px 0 0}.section-heading{padding:24px}.section-heading h2{margin-bottom:8px}.section-heading p{font-size:15px;margin:0}.strand-row{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:20px 24px;border-top:1px solid var(--line)}.strand-row strong{font-size:17px}.strand-row small{font-size:14px}.strand-row progress{width:110px;flex-shrink:0}.history{margin-top:24px}.plan-list{list-style:none;counter-reset:plan;padding:0}.plan-list li{counter-increment:plan;padding:20px 0 20px 52px;position:relative;border-bottom:1px solid var(--line)}.plan-list li:before{content:counter(plan);position:absolute;left:0;top:22px;background:var(--highlight);color:var(--highlight-ink);border-radius:50%;width:32px;height:32px;text-align:center;padding-top:2px}.plan-list p{font-size:16px;margin:6px 0}.settings-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.toggle{display:flex;align-items:center;justify-content:space-between;min-height:54px;border-bottom:1px solid var(--line)}.toggle input{width:24px;height:24px;min-height:24px;accent-color:var(--action)}.upload{cursor:pointer;position:relative}.upload input{position:absolute;inset:0;opacity:0;cursor:pointer}.upload:focus-within{outline:3px solid var(--focus);outline-offset:4px}.player-wrap{max-width:760px;padding:28px 24px 60px;margin:0 auto}.player-header{display:flex;justify-content:space-between;align-items:center;gap:12px;border-bottom:1px solid var(--line);padding-bottom:20px;font-size:15px}.player-header.timed{position:sticky;top:0;z-index:3;background:var(--bg);padding-top:12px}.session-progress{margin:28px 0 32px;font-size:15px;color:var(--muted)}progress{height:8px;border:0;border-radius:8px;overflow:hidden;accent-color:var(--action);background:var(--line)}progress::-webkit-progress-bar{background:var(--line);border-radius:8px}progress::-webkit-progress-value{background:var(--action);border-radius:8px}.session-progress progress{display:block;width:100%;margin-top:12px}.player-wrap h1{font-size:30px;letter-spacing:0;line-height:1.35}.math-expression{padding:28px;background:var(--wash);border-radius:16px;text-align:center;font-size:36px;font-weight:650;margin:20px 0 28px;overflow-wrap:anywhere}.answers{display:flex;flex-direction:column;gap:12px;margin:24px 0}.answer{display:flex;align-items:center;gap:16px;border:1px solid var(--line);background:var(--surface);padding:16px 20px;border-radius:13px;min-height:70px;font-weight:500;cursor:pointer;position:relative}.answer input{position:absolute;opacity:0;width:1px;min-height:0}.answer:focus-within{outline:3px solid var(--focus);outline-offset:3px}.answer.selected{border:2px solid var(--action);padding:15px 19px;background:var(--wash)}.option-letter{border:1px solid var(--line);border-radius:8px;width:34px;height:34px;display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:650;flex-shrink:0}.selected .option-letter{background:var(--action);color:var(--on-accent);border-color:var(--action)}.answer-check{margin-left:auto;color:var(--action);width:20px;flex-shrink:0}.player-actions{display:flex;justify-content:space-between;gap:16px;margin:24px 0}.player-save{font-size:14px;display:flex;justify-content:center;align-items:center;gap:8px;padding-top:24px;color:var(--muted)}.player-save svg{width:16px}.feedback{padding:28px;border-radius:20px;background:var(--mint);margin:24px 0}.feedback.wrong{background:var(--warm)}.feedback .heading{margin:16px 0}.feedback p:last-child{margin-bottom:0}.feedback-symbol{display:flex;align-items:center;justify-content:center;border-radius:50%;background:var(--green);color:var(--on-accent);width:48px;height:48px}.wrong .feedback-symbol{background:var(--warm-ink)}.feedback-recap{background:var(--glass);border-radius:14px;padding:14px 16px;margin:0 0 16px}.feedback-recap p{margin:0}.feedback-recap-question{color:var(--ink);font-weight:600;line-height:1.5}.feedback-recap-answer{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px 16px;margin-top:10px!important;padding-top:10px;border-top:1px solid var(--line)}.recap-mark{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700}.recap-mark svg{width:18px;height:18px}.recap-mark.correct{color:var(--green)}.recap-mark.wrong{color:var(--warm-ink)}.answer-nudge{margin:12px 0;padding:10px 14px;border-left:3px solid var(--warm-ink);background:var(--warm);border-radius:8px;font-size:15px;font-weight:600}.feedback-actions{display:flex;gap:14px;margin-bottom:24px}.solution-details{border-top:1px solid var(--line);margin-top:24px}.question-grid{display:grid;grid-template-columns:repeat(10,1fr);gap:8px;border-top:1px solid var(--line);padding:24px 0}.question-grid button{min-width:0;position:relative;min-height:45px;border:1px solid var(--line);border-radius:9px;background:var(--surface);font-size:15px}.question-grid button.answered{background:var(--wash);color:var(--action)}.question-grid button.current{border:2px solid var(--action)}.question-grid svg{width:10px;height:10px;position:absolute;right:2px;top:2px}.split{display:flex;justify-content:space-between;gap:12px}.modal-backdrop{position:fixed;inset:0;background:var(--scrim);display:flex;align-items:center;justify-content:center;padding:24px;z-index:10;backdrop-filter:blur(3px)}.dialog{max-width:600px;width:100%;box-shadow:0 24px 90px #172d3233;max-height:90vh;overflow:auto}.results-wrap{max-width:840px;margin:0 auto;padding:36px 24px 80px}.results-wrap>.brand{margin-bottom:36px}.celebration{display:flex;justify-content:center;align-items:center;background:var(--highlight);color:var(--highlight-ink);width:80px;height:80px;border-radius:50%;margin-bottom:24px}.celebration svg{width:36px;height:36px}.result-score{text-align:center;background:var(--wash)}.result-score>strong{font-size:64px;display:block;color:var(--action)}.result-score>strong span{font-size:32px;color:var(--muted)}.result-counts{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(0,1fr);gap:16px}.result-counts-note{margin:12px 0 0}.result-counts .panel{display:flex;flex-direction:column;gap:10px}.result-counts strong{font-size:32px;color:var(--action)}.result-counts span{font-size:15px;color:var(--muted)}.review-answers{margin-top:28px}.review-answers details+details{border-top:1px solid var(--line)}.review-answers summary{display:flex;align-items:center;gap:14px;font-size:16px;padding:18px 0}.review-answers summary:after{content:"+";margin-left:auto;color:var(--action)}.review-answers details[open] summary:after{content:"−"}.result-dot{width:30px;height:30px;border-radius:50%;background:var(--warm-strong);display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:14px}.result-dot.good{background:var(--mint);color:var(--green)}.review-answers p{font-size:16px}.empty{text-align:center;padding:60px 24px}.empty>svg{color:var(--action);width:40px;height:40px;margin-bottom:20px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip{position:fixed;top:-80px;left:16px;z-index:20;background:var(--action);color:var(--on-accent);padding:12px 20px;border-radius:8px}.skip:focus{top:16px}.large-text{font-size:21px}.large-text .small,.large-text small,.large-text button,.large-text label,.large-text .row small{font-size:18px}html.reduce-motion *,html.reduce-motion *:before{animation:none!important;transition:none!important}@media(min-width:1700px){.main-content{padding-top:56px}}@media(max-width:1180px){.sidebar{width:210px;padding:28px 14px}.sidebar .brand{font-size:21px}.workspace{margin-left:210px}.main-content{padding:32px}.learner-bar{padding:20px 32px}.dashboard-grid{grid-template-columns:minmax(0,1.5fr) minmax(260px,1fr)}.mission{padding:28px}.mission h2{font-size:26px}.panel{padding:24px}.rows{padding:0}.topic{align-items:flex-start;flex-direction:column;gap:16px}.settings-grid{grid-template-columns:1fr 1fr}.filters{flex-wrap:wrap}.search{flex-basis:100%}.filters>select{flex:1;max-width:none}}@media(max-width:900px){.dashboard-grid{grid-template-columns:1fr}.stack{display:grid;grid-template-columns:1fr 1fr}.main-content{padding:28px}.sidebar{width:194px}.sidebar .brand{font-size:19px;gap:8px}.sidebar .brand svg{width:28px}.sidebar button{gap:12px;padding:14px 12px;font-size:15px}.workspace{margin-left:194px}.settings-grid{grid-template-columns:1fr}.strand-row{gap:16px}.stack .panel{padding:22px}.learner-bar{padding:18px 28px}.stats{gap:12px}.stats .panel{padding:20px}.stats span{font-size:14px}.result-counts .panel{padding:20px}}@media(max-width:700px){h1{font-size:30px;letter-spacing:-.01em}h2{font-size:22px}.sidebar{display:none}.workspace{margin-left:0}.learner-bar{height:88px;padding:16px 20px}.avatar{width:46px;height:46px;font-size:21px}.learner{gap:12px}.learner strong{font-size:17px}.learner small{font-size:14px}.header-actions{gap:8px}.header-actions .btn{padding:10px 12px;min-height:44px}.settings-mobile{display:flex}.network-label{display:none}.main-content{padding:28px 20px 110px}.heading{margin-bottom:26px}.heading p{font-size:16px}.mission{padding:24px}.mission h2{font-size:26px}.mission .btn{width:100%}.panel{padding:24px}.rows{padding:0}.stack{display:flex;flex-direction:column}.row{padding:20px;gap:12px}.row strong{font-size:16px}.row small{font-size:14px}.row .tile-icon{width:40px;height:40px}.tip{font-size:15px;line-height:1.6}.goal-circles{margin:24px 0}.bottom-nav{position:fixed;bottom:0;left:0;right:0;display:grid;grid-template-columns:repeat(4,1fr);background:var(--surface);border-top:1px solid var(--line);padding:8px 4px calc(8px + env(safe-area-inset-bottom));z-index:5;box-shadow:0 -5px 25px #172d3205}.bottom-nav button{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;min-height:54px;background:none;border:0;font-size:13px;color:var(--muted);border-radius:10px;padding:7px 4px}.bottom-nav button.active{color:var(--action);background:var(--wash);font-weight:750}.bottom-nav svg{width:22px;height:22px}.setup-wrap{padding:32px 20px 60px}.setup-wrap>.brand{margin-bottom:36px}.setup-wrap .heading h1{font-size:32px}.setup-wrap .heading p{font-size:17px}.locked-screen .heading h1{font-size:26px}.setup-wrap .panel{padding:24px}.avatar-options{gap:12px}.form-panel .btn{width:100%}.filters{gap:10px}.filters select{font-size:14px;padding:12px 8px;max-width:100%;min-width:0}.filters select:last-child{flex:1.5}.topic .btn{width:100%}.topic h3{font-size:19px}.stats{gap:10px}.stats .panel{padding:16px 12px}.stats strong{font-size:28px}.stats span{font-size:13px}.badge{padding:20px;gap:14px}.section-heading{padding:22px}.strand-row{padding:18px 20px}.strand-row progress{width:80px}.strand-row strong{font-size:15px}.strand-row small{font-size:14px}.player-wrap{padding:18px 20px 40px}.player-header{font-size:13px;gap:8px}.player-header .text-button{font-size:14px;gap:5px}.player-header svg{width:18px}.player-wrap h1{font-size:26px}.math-expression{font-size:29px;padding:24px 14px}.answer{padding:14px;gap:12px;font-size:17px}.answer.selected{padding:13px}.player-actions{gap:12px}.player-actions .btn{font-size:14px;padding:12px 14px;gap:8px;flex:1}.player-actions .btn svg{width:18px}.feedback{padding:24px}.feedback-actions{flex-direction:column}.feedback-actions .btn{width:100%}.question-grid{grid-template-columns:repeat(5,1fr)}.result-counts{gap:10px}.result-counts .panel{padding:16px 12px}.result-counts strong{font-size:26px}.result-counts span{font-size:13px}.results-wrap{padding:28px 20px 60px}.result-score>strong{font-size:56px}.button-row{flex-direction:column}.button-row .btn{width:100%}.review-answers{padding:22px}.review-answers summary{font-size:15px}.modal-backdrop{padding:18px}.dialog{padding:24px}.save-footer{font-size:13px}.form-panel h2 svg{width:22px}}@keyframes arrive{0%{opacity:0;transform:translateY(7px)}to{opacity:1;transform:translateY(0)}}.feedback,.celebration{animation:arrive .25s ease-out both}h1,h2,h3,p,strong{overflow-wrap:anywhere}.learner{flex:1;min-width:0}.learner>div{min-width:0}.learner strong{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.header-actions{flex-shrink:0}.profile-choice>span:nth-child(2){min-width:0;overflow-wrap:anywhere}.player-header>span{min-width:0;overflow-wrap:anywhere}.indicator-name{font-size:clamp(24px,3vw,30px)!important;line-height:1.4!important}.indicator-code{color:var(--action);font-weight:700}.model-figure{margin:20px 0;background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:16px}.model-figure>svg{display:block;width:100%;height:auto;max-height:var(--figure-height)}.model-figure svg [font-size="9"]{font-size:12px}.model-figure svg [font-size="10"]{font-size:13px}.model-figure svg [font-size="11"],.model-figure svg [font-size="12"]{font-size:14px}.model-figure svg [font-size="13"],.model-figure svg [font-size="14"]{font-size:15px}.model-figure figcaption{font-size:16px;color:var(--muted);line-height:1.6;margin-top:12px}.number-chart-scroll{max-width:100%;overflow-x:auto}.number-chart>figcaption{margin-top:0}.model-key{width:100%;border-collapse:collapse;font-size:16px}.model-key caption{text-align:left;font-weight:700;color:var(--ink);margin-bottom:12px}.model-key th,.model-key td{text-align:left;padding:10px 6px;border-bottom:1px solid var(--line)}.model-key td:last-child,.model-key thead th:last-child{text-align:right}.model-key td:last-child{font-variant-numeric:tabular-nums}.worked-steps{padding-left:26px;color:var(--ink);white-space:pre-line;font-size:17px}.worked-steps li{padding:8px 0 8px 5px;line-height:1.7}.feedback>p,.solution-details p{white-space:pre-line}.question-meta{display:flex;justify-content:space-between;gap:14px;align-items:center;font-size:14px;color:var(--muted);margin:16px 0}.question-meta span:last-child{text-transform:capitalize}.option-feedback{padding:16px;border-left:3px solid var(--green);background:var(--mint);margin:18px 0}.watch-out{padding:12px 16px;border-left:3px solid var(--amber);background:var(--warm);color:var(--ink);margin:18px 0}.watch-out strong{color:var(--warm-ink)}.mistakes ul{list-style:none;padding:0;margin:12px 0 0;display:grid;gap:12px}.mistakes li{padding:12px 16px;border-left:3px solid var(--amber);background:var(--warm)}.mistakes li p{margin:6px 0 10px}.workshop-layout{display:grid;grid-template-columns:minmax(250px,1fr) minmax(0,2fr);gap:24px;align-items:start}.workshop-layout>.panel:first-child{position:sticky;top:24px}.model-counts{display:flex;flex-direction:column;gap:12px}.model-counts label{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:12px 0;border-bottom:1px solid var(--line)}.model-counts small{font-size:14px;font-weight:400}.model-counts input{width:145px;text-align:right;font-variant-numeric:tabular-nums;flex-shrink:0}.model-total{background:var(--wash);border-radius:12px;padding:20px;white-space:normal}.construction-grid{display:grid;grid-template-columns:repeat(10,minmax(0,1fr));gap:4px}.construction-grid button{min-height:36px;aspect-ratio:1;border:1px solid var(--action-soft);border-radius:3px;background:var(--surface);font-size:13px;padding:0}.construction-grid button[aria-pressed=true]{background:var(--pressed-bg);font-weight:700;color:var(--pressed-ink)}.isometric-construction svg{width:100%;height:auto;max-height:300px;background:var(--paper);border-radius:12px}@media(max-width:900px){.workshop-layout{grid-template-columns:1fr}.workshop-layout>.panel:first-child{position:static}}@media(max-width:600px){.model-figure{padding:8px}.model-key{font-size:15px}.model-key th,.model-key td{padding:9px 3px}.workshop-layout .panel{padding:20px}.model-counts label{flex-wrap:wrap}.model-counts input{width:100%}.worked-steps{font-size:16px}.question-meta{align-items:flex-start;flex-direction:column;gap:4px}.construction-grid button{min-height:26px}.indicator-name{font-size:25px!important}}h1[tabindex="-1"]:focus,.check-ready:focus,.latest-hint:focus{outline:none}.sound-controls{display:flex;align-items:center;flex-wrap:wrap;gap:12px;margin:8px 0 18px}.sound-controls label{display:flex;align-items:center;gap:10px;font-size:14px}.sound-controls input[type=range]{width:100px;min-height:36px;padding:0;accent-color:var(--action)}.count-stepper{display:flex;align-items:center;gap:6px;min-width:0}.count-stepper button{flex:0 0 40px;height:44px;border:1px solid var(--line);border-radius:12px;background:var(--tint);color:var(--action);font-size:24px;cursor:pointer}.model-counts .count-stepper input{width:110px;min-width:0;flex:1}.exchange-panel,.competency-reflection{border-top:1px solid var(--line);margin-top:24px;padding-top:22px}.exchange-panel h3,.comparison-workbench h3{font-size:18px;line-height:1.4}.exchange-row{padding:12px 0;border-bottom:1px solid var(--line)}.exchange-row>span{display:block;margin-bottom:8px}.exchange-row .button-row{gap:8px;flex-wrap:wrap}.exchange-row .button{font-size:14px;padding:10px 12px}.comparison-workbench{background:var(--tint);border:1px solid var(--tint-line);border-radius:16px;padding:18px;margin:18px 0}.model-snapshot{overflow-wrap:anywhere}.competency-reflection textarea{display:block;width:100%;box-sizing:border-box;resize:vertical;padding:14px;border:1px solid var(--line);border-radius:12px;font:inherit;line-height:1.65;background:var(--surface);color:var(--ink);margin-bottom:18px}.competency-reflection>label{display:block;margin:18px 0 8px;font-weight:600}.competency-reflection>.radio{display:flex;font-weight:400;align-items:flex-start}.discussion-steps li,.review-rubric li{margin:10px 0;line-height:1.6}.review-rubric{padding-left:22px}.competency-summary{margin-top:22px;padding-top:18px;border-top:1px solid var(--line)}.competency-summary dl>div{display:flex;justify-content:space-between;gap:14px;border-bottom:1px solid var(--line);padding:9px 0;font-size:14px}.competency-summary dd{font-weight:700;margin:0;color:var(--action)}.quantity-arrival{animation:quantity-settle .3s ease-out}@keyframes quantity-settle{0%{transform:translateY(4px);background:var(--tint-strong)}to{transform:translateY(0)}}button,label.answer,.construction-grid button{transition:transform .16s ease,background-color .2s ease,box-shadow .2s ease}button:active:not(:disabled){transform:scale(.98)}label.answer:has(input:checked){animation:answer-settle .2s ease-out}@keyframes answer-settle{0%{transform:translate(3px)}to{transform:translate(0)}}.construction-grid button[aria-pressed=true]{box-shadow:inset 0 0 0 2px var(--tint-accent)}.isometric-construction{animation:arrive .28s ease-out}@media(max-width:600px){.model-counts label{display:flex;flex-direction:column;align-items:stretch;gap:8px}.count-stepper{width:100%}.comparison-workbench{padding:12px}.exchange-row .button-row{flex-direction:column;align-items:stretch}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}html.reduce-motion *,html.reduce-motion *:before,html.reduce-motion *:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}.reasoning-panel{margin-top:24px;border:1px solid var(--line);border-radius:16px;padding:18px;background:var(--wash-soft)}.reasoning-panel>summary,.workshop-evidence>summary{font-weight:650;color:var(--action);cursor:pointer;line-height:1.5;padding:4px 0}.reasoning-panel .competency-reflection{border-top:0;padding-top:10px;margin-top:0}.workshop-evidence{margin-top:16px}.model-comparison{width:100%;border-collapse:collapse;font-size:14px;margin:16px 0}.model-comparison caption{text-align:left;font-weight:600;margin-bottom:10px}.model-comparison th,.model-comparison td{text-align:left;padding:10px 5px;border-bottom:1px solid var(--tint-line);overflow-wrap:anywhere}.model-comparison th:first-child{width:36%}.model-comparison .exchanged-count{background:var(--tint-strong)}@media(max-width:600px){.workshop-layout>section.panel{padding:16px}.reasoning-panel{padding:10px}.model-comparison{font-size:13px}.model-comparison th,.model-comparison td{padding:9px 3px}.model-comparison .exchanged-count{box-shadow:inset 3px 0 var(--tint-accent)}}.check-picker{min-width:0}.check-picker-heading,.check-results-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}.check-picker-heading h2,.check-results-heading h3{margin:0}.check-search{display:block;width:100%;margin:20px 0 14px}.check-filters{display:grid;grid-template-columns:1fr 1fr;gap:14px}.check-filters label{display:flex;flex-direction:column;gap:7px}.suggested-checks{margin:24px 0}.suggested-checks h3{margin-bottom:6px}.check-choice{display:flex;align-items:center;justify-content:space-between;gap:14px;width:100%;text-align:left;padding:16px;margin:10px 0;border:1px solid var(--line);border-radius:12px;background:var(--surface);color:var(--ink);font:inherit;cursor:pointer}.check-choice:hover{border-color:var(--action);background:var(--tint)}.check-choice-copy{display:flex;flex-direction:column;gap:6px;min-width:0;overflow-wrap:anywhere}.check-choice-copy>span{font-size:14px;color:var(--muted);line-height:1.5}.check-choice>svg{flex-shrink:0;width:20px;color:var(--action)}.suggested-checks .check-choice{background:var(--tint)}.check-results{max-height:min(65vh,600px);overflow-y:auto;padding:8px;margin-top:10px;scroll-margin-block:20px;background:var(--surface-soft);border:1px solid var(--line);border-radius:14px}@media(max-width:900px){.check-results{max-height:none;overflow:visible;padding:0;background:none;border:0}}.check-empty{padding:20px 4px;line-height:1.6}.selected-check{background:var(--tint);border:1px solid var(--line);border-radius:14px;padding:20px;margin-bottom:22px}.selected-check h2{margin:16px 0 12px}.selected-check p:last-child{margin-bottom:0}@media(max-width:420px){.check-filters{grid-template-columns:1fr}.check-choice{padding:13px}.selected-check{padding:16px}}.practice-breadcrumb{color:var(--muted);margin:20px 0 8px;font-size:14px}.practice-topic-layout{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(280px,1fr);gap:24px;align-items:start}.practice-topic-layout>*,.practice-topic-layout .panel{min-width:0}.practice-section-icon{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:12px;background:var(--tint);color:var(--action)}.practice-topic-layout h2{margin:16px 0;font-size:22px;line-height:1.35}.practice-goals ul{list-style:none;padding:0;margin:18px 0 0}.practice-goals li{display:flex;align-items:flex-start;gap:12px;margin:18px 0;line-height:1.7}.practice-goals li svg{flex:0 0 20px;color:var(--action);margin-top:4px}.practice-example-question{font-weight:600;line-height:1.7}.practice-example-steps{padding-left:24px}.practice-example-steps li{padding-left:6px;margin:16px 0;line-height:1.75}.final-answer{display:flex;flex-direction:column;gap:10px;margin:24px 0 16px;background:var(--tint);border:2px solid var(--action);border-radius:12px;padding:18px;overflow-wrap:anywhere}.final-answer-label{font-size:14px;font-weight:800;letter-spacing:.06em;text-transform:uppercase;color:var(--action)}.final-answer-value{font-size:22px;line-height:1.6;color:var(--ink)}.final-answer .maths-inline{background:transparent;padding:0}.practice-start{background:var(--tint)}.practice-session-tag{display:block;color:var(--action);font-size:14px;font-weight:650}.practice-session-facts{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:20px 0}.practice-session-facts>span{display:flex;flex-direction:column;gap:6px;font-size:14px}.practice-session-facts strong{font-size:20px;color:var(--action)}.practice-start>.btn,.practice-check>.btn{width:100%;justify-content:center}.practice-session-help{padding-left:19px;margin:22px 0 0}.practice-session-help li{font-size:14px;line-height:1.6;margin:12px 0}.practice-check p,.practice-recent p,.practice-start p{line-height:1.7}@media(max-width:1000px){.practice-topic-layout{grid-template-columns:minmax(0,1fr)}.practice-topic-layout>.stack{display:contents}.practice-topic-layout .practice-start{order:1}.practice-topic-layout .practice-written{order:2}.practice-topic-layout .practice-goals{order:3}.practice-topic-layout .practice-example{order:4}.practice-topic-layout .understanding-task{order:5}.practice-topic-layout .practice-recent{order:6}.practice-topic-layout .practice-check{order:7}}.content-table{overflow-x:auto}.content-table table{width:100%;border-collapse:collapse;font-size:.95rem}.content-table caption{text-align:left;font-weight:700;padding-bottom:.75rem}.content-table th,.content-table td{padding:.65rem;border:1px solid var(--line);text-align:left;overflow-wrap:anywhere}.content-table tbody th{font-weight:500}.content-table td.numeric-cell{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}.content-table thead th.numeric-cell{text-align:right}.counter-trays{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}.counter-trays svg{width:112px;max-width:100%;height:auto;flex:0 0 112px}.fraction-grid svg{display:block;width:100%;max-width:var(--figure-width);height:auto;margin:0 auto}@media(max-width:480px){.content-table:has(thead th:nth-child(2):last-child):not(:has(td.numeric-cell)) th:first-child{min-width:6.5rem;width:35%}.content-table:has(thead th:nth-child(4)) table{font-size:.875rem}.content-table:has(thead th:nth-child(4)) th,.content-table:has(thead th:nth-child(4)) td{padding:.65rem .2rem}.content-table:has(thead th:nth-child(4)) thead th{white-space:nowrap;overflow-wrap:normal}}.quantity-pie>svg{max-width:var(--figure-width);margin:0 auto}.coordinate-plane>svg{display:block;width:100%;max-width:var(--figure-width);margin:0 auto}.coordinate-question{min-width:0}.matchstick-pattern .pattern-stages{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,160px),1fr));gap:16px;align-items:end}.matchstick-pattern .pattern-stages svg{display:block;width:100%;height:120px}.matchstick-pattern .pattern-stages p{text-align:center;margin:4px 0 12px}.triangle-pattern .pattern-stages{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,150px),1fr));gap:12px;align-items:end}.triangle-pattern .pattern-stages svg{display:block;width:100%;height:100px}.triangle-pattern .pattern-stages p{text-align:center;margin:4px 0 12px}.algebra-perimeter svg{display:block;width:100%;max-width:var(--figure-width);max-height:var(--figure-height);margin:0 auto}.player-wrap:has(.algebra-perimeter) .player-actions{position:static}.algebra-area svg{display:block;width:100%;max-width:var(--figure-width);max-height:var(--figure-height);margin:0 auto}.player-wrap:has(.algebra-area) .player-actions{position:static}.equation-flags svg{display:block;width:100%;max-width:var(--figure-width);margin:0 auto}.player-wrap:has(.equation-flags) .player-actions{position:static}.equation-balance svg,.shape-equations svg{display:block;width:100%;max-width:var(--figure-width);margin:0 auto}.player-wrap:has(.equation-balance,.shape-equations) .player-actions{position:static}.algebra-tiles svg{display:block;width:100%;max-width:var(--figure-width);margin:0 auto}.player-wrap:has(.algebra-tiles) .player-actions{position:static}.angle-protractor svg{display:block;width:100%;max-width:var(--figure-width);margin:0 auto}.player-wrap:has(.angle-protractor) .player-actions{position:static}.angle-pair svg{display:block;width:100%;max-width:var(--figure-width);margin:0 auto}.player-wrap:has(.angle-pair) .player-actions{position:static}.angle-relationships svg{display:block;width:100%;max-width:var(--figure-width);margin:0 auto}.player-wrap:has(.angle-relationships) .player-actions{position:static}.compass-construction svg{display:block;width:100%;max-width:var(--figure-width);margin:0 auto}.player-wrap:has(.compass-construction) .player-actions{position:static}.perpendicular-bisector svg{display:block;width:100%;max-width:var(--figure-width);margin:0 auto}.player-wrap:has(.perpendicular-bisector) .player-actions{position:static}.angle-construction svg{display:block;width:100%;max-width:var(--figure-width);margin:0 auto}.player-wrap:has(.angle-construction) .player-actions{position:static}.square-grid-panels{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,260px),1fr));gap:1rem}.square-grid-panel{min-width:0;text-align:center}.square-grid-panel>svg{display:block;width:100%;height:auto;max-width:min(var(--figure-width),var(--figure-height));margin:0 auto}.player-wrap:has(.square-grid) .player-actions{position:static}.player-wrap:has(.fold-pattern) .player-actions{position:static}.player-wrap:has(.reflection-plane) .player-actions{position:static}.player-wrap:has(.translation-plane) .player-actions{position:static}.player-wrap:has(.shape-comparison) .player-actions{position:static}.survey-chart figcaption{font-weight:700;margin-bottom:.8rem}.survey-chart svg{display:block;width:100%;height:auto;max-height:none}.survey-chart>svg{max-width:var(--figure-width);margin:0 auto}.survey-chart svg text{font-size:15px}.survey-chart-scroll{overflow-x:auto}.survey-chart-scroll svg{width:100%!important;max-width:var(--figure-width);margin:0 auto}.survey-chart-scroll:focus-visible{outline:2px solid var(--action);outline-offset:3px}.survey-chart-key{display:flex;flex-wrap:wrap;gap:.6rem 1rem;font-size:1rem}.survey-chart-key span{display:inline-flex;align-items:center;gap:.4rem}.survey-chart-key b{display:inline-block;width:.85rem;height:.85rem;border-radius:2px}.survey-scroll-hint{font-size:.85rem}.maths-symbolic,.maths-calculation{font-variant-numeric:lining-nums}.maths-inline{color:var(--maths-ink);font-weight:600;font-variant-numeric:lining-nums;white-space:nowrap}.maths-symbolic{padding:.04em .32em;margin:0 .04em;border:1px solid var(--maths-chip-line);border-radius:6px;background:var(--maths-chip);-webkit-box-decoration-break:clone;box-decoration-break:clone}.maths-var{font-style:italic;padding-right:.06em}.maths-built-up,.maths-vector{color:var(--maths-ink);font-weight:600}.maths-blank{color:var(--maths-ink);font-weight:400}.answer .maths-symbolic,.answer-text .maths-symbolic,.final-answer .maths-symbolic,.math-expression .maths-symbolic,.review-answer .maths-symbolic,.feedback-recap strong .maths-symbolic{padding:0;margin:0;border:0;background:none}.math-expression .maths-inline{color:inherit;font-weight:inherit}.maths-long,.answer .maths-inline,.answer-text .maths-inline,.final-answer .maths-inline{white-space:normal}.maths-working{white-space:pre-line;overflow-wrap:anywhere}.maths-calculation{display:block;margin:.65em 0;padding:.6em .85em;border-left:3px solid var(--action);border-radius:0 8px 8px 0;background:var(--tint);color:var(--ink);font-size:1.12em;line-height:1.8;overflow-wrap:anywhere}.maths-line{display:block}.maths-line+.maths-line{margin-top:.3em}.worked-steps li::marker,.practice-example-steps li::marker{color:var(--action);font-weight:700}.worked-steps li+li,.practice-example-steps li+li{border-top:1px solid var(--line);padding-top:16px}.maths-mixed-number{display:inline-block;white-space:nowrap}.maths-fraction{display:inline-flex;flex-direction:column;align-items:stretch;vertical-align:middle;text-align:center;margin:.1em .12em;font-size:.88em;line-height:1.25}.maths-fraction>span:first-child{border-bottom:1px solid currentColor;padding:0 .18em .08em}.maths-fraction>span:last-child{padding:.08em .18em 0}.maths-fraction{max-width:100%}.maths-fraction>span{white-space:normal}@media(max-width:360px){.maths-fraction{font-size:.8em}}.maths-vector{display:inline-flex;flex-direction:column;vertical-align:middle;text-align:center;margin:.1em .2em;padding:0 .4em;border-inline:1.5px solid currentColor;border-radius:.6em;line-height:1.25;white-space:nowrap}.maths-aligned{display:grid;grid-template-columns:fit-content(50%) max-content minmax(0,1fr);column-gap:.35em;row-gap:.3em;align-items:baseline}.maths-equation-row{display:contents}.maths-lhs{min-width:0;text-align:right}.maths-equals{white-space:pre}.maths-rhs{min-width:0}@media(max-width:600px){.maths-aligned{grid-template-columns:max-content minmax(0,1fr)}.maths-aligned .maths-lhs:not(:empty){grid-column:1 / -1;text-align:left}.maths-aligned .maths-lhs:empty{display:none}}.step-explanation{display:block;margin-top:10px;padding:10px 12px;border-radius:8px;background:var(--surface-soft);color:var(--ink-soft);font-size:15px;line-height:1.6;white-space:normal}.step-explanation>strong{display:block;color:var(--ink);font-size:14px;margin-bottom:3px}.solution-step{scroll-margin-top:24px;border-radius:8px;transition:background-color .25s ease}.solution-step.newly-revealed-step{background-color:var(--tint-strong);outline:2px solid var(--action);outline-offset:5px}.solution-step:focus{outline:none}.solution-step.newly-revealed-step,.solution-step:focus-visible{outline:2px solid var(--action);outline-offset:5px}@media(prefers-reduced-motion:reduce){.solution-step{transition:none}}.review-status{display:block;font-size:.8rem;font-weight:700;margin-bottom:.3rem}.multiplication-lattice svg{display:block;width:100%;max-width:var(--figure-width);height:auto;margin:0 auto 12px}.player-wrap:has(.multiplication-lattice) .player-actions{position:static}.travel-graph figcaption{font-weight:700}.travel-graph-scroll{overflow-x:auto;max-width:100%}.travel-graph-scroll:focus-visible{outline:2px solid var(--action)}.travel-graph svg{display:block;width:620px;min-width:620px;height:380px;max-height:none}.travel-graph svg text{font-size:14px}.travel-sketch-controls{display:flex;flex-wrap:wrap;gap:12px;align-items:end}.travel-sketch-controls p{flex-basis:100%}.travel-sketch-controls label{flex:1 1 140px;min-width:0}.travel-sketch-controls input{width:100%}.travel-graph th,.travel-graph td{padding:8px;text-align:left}.parallel-angles svg{display:block;width:100%;max-width:var(--figure-width);margin:0 auto}.parallel-angle-givens{display:flex;flex-wrap:wrap;justify-content:center;gap:8px 20px;margin:0 0 10px;font-weight:700}.player-wrap:has(.parallel-angles) .player-actions{position:static}.polygon-angles svg{display:block;width:100%;max-width:440px;margin:0 auto}.polygon-angle-givens{display:flex;flex-wrap:wrap;justify-content:center;gap:8px 20px;margin:0 0 10px;font-weight:700}.polygon-property{text-align:center;font-weight:700}.player-wrap:has(.polygon-angles) .player-actions{position:static}.obtuse-construction svg{display:block;width:100%;max-width:440px;margin:0 auto}.player-wrap:has(.obtuse-construction) .player-actions{position:static}.triangle-construction svg{display:block;width:100%;max-width:440px;margin:0 auto}.triangle-construction-givens{display:flex;flex-wrap:wrap;justify-content:center;gap:.5rem 1rem;padding:.5rem;font-weight:650}.player-wrap:has(.triangle-construction) .player-actions{position:static}.loci-construction svg{display:block;width:100%;max-width:440px;margin:0 auto}.player-wrap:has(.loci-construction) .player-actions{position:static}.written-stem{margin-bottom:16px}.written-player .player-header{flex-wrap:wrap;gap:8px}.written-part{border-top:1px solid var(--line);padding:16px 0}.written-part.waiting{opacity:.75}.written-part h2{font-size:17px;line-height:1.5;letter-spacing:normal;margin:0 0 12px}.written-label{font-weight:700}.written-marks{white-space:nowrap;font-weight:600;color:var(--muted)}.written-input{display:flex;align-items:center;gap:8px;max-width:352px}.written-input input{flex:1;min-width:0;font-size:18px;padding:10px 12px;border:2px solid var(--line);border-radius:12px}.written-unit{font-weight:600}.written-first{margin:0 0 8px;font-weight:600}.written-format{color:var(--red);margin:8px 0 0}.written-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}.written-hints p,.written-feedback p,.written-result p{margin:8px 0 0}.written-feedback:focus-visible,.written-result:focus-visible{outline:2px solid var(--action);outline-offset:4px;border-radius:12px}.written-result.earned strong{color:var(--green)}.marking-scheme ul{list-style:none;padding:0;margin:4px 0 12px}.marking-scheme li{display:flex;gap:8px;align-items:baseline}.marking-scheme code{font-weight:700}.scheme-miss{display:inline-block;width:20px;text-align:center}.written-results details>.marking-scheme{padding:0;border:0;border-radius:0;background:none}.practice-written .practice-session-facts{margin:8px 0}.practice-written>.btn{width:100%;justify-content:center}.practice-written>.btn+.btn{margin-top:12px}.circle-area svg{display:block;width:100%;max-width:440px;margin:0 auto}.circle-area-givens{display:flex;flex-wrap:wrap;justify-content:center;gap:.5rem 1rem;padding:.5rem;font-weight:650}.player-wrap:has(.circle-area) .player-actions{position:static}.pythagoras svg{display:block;width:100%;max-width:440px;margin:0 auto}.pythagoras-givens{display:flex;flex-wrap:wrap;justify-content:center;gap:.4rem .8rem;margin:.5rem 0;font-size:.9rem}.pythagoras-givens span{padding:.25rem .5rem;background:var(--wash);border-radius:.35rem}.player-wrap:has(.pythagoras) .player-actions{position:static}.pythagoras-problem svg{display:block;width:100%;max-width:440px;margin:0 auto}.pythagoras-problem-givens{display:flex;flex-wrap:wrap;justify-content:center;gap:.4rem .8rem;margin:.5rem 0;font-size:.9rem}.pythagoras-problem-givens span{padding:.25rem .5rem;background:var(--wash);border-radius:.35rem}.player-wrap:has(.pythagoras-problem) .player-actions{position:static}.trigonometry svg{display:block;width:100%;max-width:480px;margin:0 auto}.player-wrap:has(.trigonometry) .player-actions{position:static}.vector-arithmetic{max-width:560px;margin-inline:auto}.vector-arithmetic svg{max-height:360px}.vector-columns{display:flex;flex-wrap:wrap;justify-content:center;gap:20px;padding:12px}.vector-given{display:flex;align-items:center;gap:8px;font-size:19px;font-family:Georgia,serif}.vector-column{display:grid;min-width:42px;text-align:center;gap:4px;border-inline:2px solid currentColor;border-radius:45%/20%;padding:4px 10px}.player-wrap:has(.vector-arithmetic) .player-actions{position:static}.vector-equality{max-width:560px;margin-inline:auto}.vector-equality svg{max-height:365px}.vector-equality .vector-column{min-width:65px}.player-wrap:has(.vector-equality) .player-actions{position:static}.rotation-situation{max-width:540px;margin-inline:auto}.rotation-situation svg{max-height:355px}.player-wrap:has(.rotation-situation) .player-actions{position:static}.player-wrap:has(.rotation-plane) .player-actions{position:static}.data-display{max-width:620px;margin-inline:auto}.data-display>svg{display:block;width:100%;max-width:360px;margin:auto}.data-display-scroll{overflow-x:auto;max-width:100%}.data-display-scroll svg{display:block;width:560px;min-width:560px;height:auto;max-height:none}.data-display svg text{font-size:14px}.data-display-key{list-style:none;padding:0;display:flex;flex-wrap:wrap;gap:8px 16px}.data-display-key li{display:flex;align-items:center;gap:6px}.data-display-key b{width:12px;height:12px;display:inline-block}.stem-leaf-table{width:100%;border-collapse:collapse}.stem-leaf-table th,.stem-leaf-table td{padding:8px;border-bottom:1px solid var(--line);text-align:left}.stem-leaf-table tbody th{border-right:2px solid var(--action);width:35%}.stem-leaf-table td{font-family:monospace;letter-spacing:3px;overflow-wrap:anywhere}.stem-leaf-table caption{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}.player-wrap:has(.data-display) .player-actions{position:static}.probability-tree{min-width:0}.probability-tree-scroll{overflow-x:auto;max-width:100%;overscroll-behavior-x:contain}.probability-tree-scroll:focus-visible{outline:3px solid var(--action);outline-offset:2px}.probability-tree .probability-tree-scroll svg{display:block;max-width:none;height:auto}.probability-tree svg line{stroke:currentColor;stroke-width:1.8}.probability-tree svg circle,.probability-tree svg text{fill:currentColor}.probability-tree svg text{font-size:16px;font-family:inherit;paint-order:stroke;stroke:var(--paper);stroke-width:3px;stroke-linejoin:round}.probability-tree-help{font-size:.875rem;margin:.5rem 0 0}@media(max-width:600px){.coordinate-plane svg [font-size="13"],.coordinate-plane svg [font-size="14"],.coordinate-plane svg [font-size="15"],.coordinate-plane svg [font-size="16"],.pythagoras svg [font-size="13"],.pythagoras svg [font-size="14"],.pythagoras svg [font-size="15"],.pythagoras svg [font-size="16"],.pythagoras svg [font-size="17"],.pythagoras-problem svg [font-size="13"],.pythagoras-problem svg [font-size="14"],.pythagoras-problem svg [font-size="15"],.pythagoras-problem svg [font-size="16"],.pythagoras-problem svg [font-size="17"],.trigonometry svg [font-size="13"],.trigonometry svg [font-size="14"],.trigonometry svg [font-size="15"],.trigonometry svg [font-size="16"],.trigonometry svg [font-size="17"],.vector-arithmetic svg [font-size="13"],.vector-arithmetic svg [font-size="14"],.vector-arithmetic svg [font-size="15"],.vector-arithmetic svg [font-size="16"],.vector-arithmetic svg [font-size="17"],.vector-equality svg [font-size="13"],.vector-equality svg [font-size="14"],.vector-equality svg [font-size="15"],.vector-equality svg [font-size="16"],.vector-equality svg [font-size="17"],.rotation-situation svg [font-size="13"],.rotation-situation svg [font-size="14"],.rotation-situation svg [font-size="15"],.rotation-situation svg [font-size="16"],.rotation-situation svg [font-size="17"]{font-size:18px}}.review-panel{display:grid;gap:12px;margin-bottom:20px;padding:16px 20px}.review-controls{display:flex;flex-wrap:wrap;gap:12px;align-items:end}.review-controls label{display:grid;gap:6px;font-size:17px;font-weight:600;min-width:0}.review-controls .review-topic{flex:1 1 280px}.review-controls select,.review-controls input{width:100%}.review-progress{display:flex;flex-wrap:wrap;gap:6px 16px;font-size:18px;margin:0;color:var(--ink)}.review-family{margin-bottom:24px}.review-family-head{display:flex;flex-wrap:wrap;gap:8px 16px;justify-content:space-between;align-items:center;margin-bottom:12px}.review-family-head h2{margin:0;font-size:24px}.review-question{padding:24px;margin-bottom:16px;display:grid;grid-template-columns:minmax(0,1fr);gap:16px;min-width:0;font-size:19px;line-height:1.55;color:var(--ink)}.review-question[data-status=approved],.review-question[data-status=signed-off]{border-left:5px solid var(--green)}.review-question[data-status=flagged],.review-question[data-status=changed]{border-left:5px solid #c95163}.review-meta{display:flex;flex-wrap:wrap;gap:6px 12px;font-size:16px;overflow-wrap:anywhere;margin:0}.review-meta .review-status{display:inline;margin:0;font-size:inherit;font-weight:700}.review-prompt{font-size:23px;line-height:1.5;margin:0;white-space:pre-line;color:var(--ink)}.review-options{display:grid;gap:8px;margin:0;padding:0;list-style:none}.review-options li{display:grid;grid-template-columns:2.4em minmax(0,1fr);gap:6px 8px;padding:12px 14px;border:1px solid var(--line);border-radius:10px;font-size:21px}.review-options li[data-correct=true]{border:2px solid var(--green)}.review-option-note,.review-option-retry{grid-column:2;font-size:18px}.review-question details>summary{cursor:pointer;font-weight:600}.review-question details ol,.review-question details ul{margin:8px 0;padding-left:1.4em}.review-actions{display:flex;flex-wrap:wrap;gap:8px;align-items:center}.review-flag{display:grid;gap:8px}.review-flag textarea{width:100%;min-height:72px}.review-note{margin:0;font-size:18px}.review-error{color:#b3261e;margin:0}.review-parts{display:grid;gap:12px;margin:0;padding:0;list-style:none}.review-part{display:grid;gap:10px;min-width:0;padding:14px 16px;border:1px solid var(--line);border-radius:10px}.review-part>p{margin:0;font-size:21px}.review-marks{white-space:nowrap}.review-facts{display:grid;grid-template-columns:minmax(0,9em) minmax(0,1fr);gap:8px 12px;margin:0;font-size:18px}.review-facts dt{font-weight:700}.review-facts dd{margin:0;min-width:0;overflow-wrap:anywhere}.review-facts ol,.review-facts ul{margin:0;padding-left:1.2em}.review-facts .review-options{padding:0}.review-facts .review-options li{font-size:19px}.review-facts .review-scheme{list-style:none;padding-left:0}.review-answer{font-weight:700}.review-solution h3{margin:0 0 6px;font-size:20px}.review-solution ol{margin:0;padding-left:1.4em}@media(max-width:600px){.review-facts{grid-template-columns:minmax(0,1fr);gap:2px}.review-facts dd{margin-bottom:8px}.review-part{padding:12px}}.review-panel p{font-size:18px}.review-actions .btn,.review-panel .btn,.review-family-head .btn{font-size:17px}.review-question{--figure-width: 680px;--figure-height: 640px}.review-question .model-figure>svg{margin:0 auto}.review-question .model-figure figcaption,.review-question .model-key caption,.review-question .model-key th,.review-question .model-key td{font-size:18px}.review-question .square-grid-panels{grid-template-columns:repeat(auto-fit,minmax(min(100%,420px),1fr))}.review-question .survey-chart-key{font-size:18px}.coordinate-legend{display:flex;flex-wrap:wrap;gap:.4rem 1rem;padding:.4rem 1rem;font-size:.85rem}.triangle-correspondence-panels{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(230px,100%),1fr));gap:12px}.triangle-correspondence-panels svg{display:block;width:100%;height:auto;max-width:420px;margin-inline:auto}.triangle-correspondence-givens{overflow-wrap:anywhere;line-height:1.6}.player-wrap:has(.triangle-correspondence) .player-actions{position:static}.triangle-circles{max-width:520px;margin-inline:auto}.triangle-circles>svg{display:block;width:100%;height:auto;max-width:460px;margin-inline:auto;overflow:visible}.triangle-circles svg text{font-size:18px;fill:currentColor;paint-order:stroke;stroke:var(--paper);stroke-width:3px;stroke-linejoin:round}.triangle-circles-measures,.triangle-circles-key{font-size:.9rem;line-height:1.6}.player-wrap:has(.triangle-circles) .player-actions{position:static}.quadrilateral-construction{max-width:540px;margin-inline:auto}.quadrilateral-construction>svg{display:block;width:100%;height:auto;max-width:480px;margin-inline:auto}.quadrilateral-construction svg text{font-size:18px;fill:currentColor;paint-order:stroke;stroke:var(--paper);stroke-width:3px}.quadrilateral-givens{padding-left:1.3rem;font-size:.9rem;line-height:1.6}.player-wrap:has(.quadrilateral-construction) .player-actions{position:static}.prism-net{max-width:580px;margin-inline:auto}.prism-net>svg{display:block;width:100%;height:auto;max-width:520px;margin-inline:auto}.prism-net svg text{font-size:18px;fill:#20342c;paint-order:stroke;stroke:#fff;stroke-width:2px}.prism-net-givens{padding-left:1.3rem;font-size:.9rem;line-height:1.6}.player-wrap:has(.prism-net) .player-actions{position:static}.histogram{max-width:760px;margin-inline:auto}.histogram-scroll{overflow-x:auto;max-width:100%;margin-top:4px}.histogram-scroll svg{display:block;height:auto;max-height:none}.histogram svg text{font-size:14px}.player-wrap:has(.histogram) .player-actions{position:static}.standing-setup fieldset{border:0;margin:0 0 20px;padding:0}.standing-setup legend{font-weight:700;margin-bottom:8px}.standing-setup label,.check-row{display:flex;align-items:center;gap:10px;min-height:44px;padding:10px 0}.standing-setup input[type=checkbox],.check-row input[type=checkbox]{flex:none;width:22px;height:22px;min-height:22px;margin:0;accent-color:var(--action)}.standing-unavailable{color:var(--muted)}.standing-row{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;padding:12px 0;border-top:1px solid var(--line)}.standing-row>:first-child{flex:1 1 0;min-width:0;overflow-wrap:anywhere}.standing-row>:last-child{flex:none;text-align:right}.standing-row small{color:var(--muted);white-space:nowrap}.standing-next{align-items:center}.today-standing{margin-top:20px}.today-standing h2{font-size:20px}.today-standing .text-button{margin-top:8px}.exam-standing{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:20px}.exam-standing h2{margin-top:0}.exam-topic-title{font-size:20px;margin:0 0 12px}@media(max-width:640px){.exam-standing{flex-direction:column;align-items:stretch}}.standing-report>.button-row{margin:20px 0}.standing-report>.panel+.panel{margin-top:16px}.dispute-button{min-height:48px}.dispute p:empty{margin:0}.issue-report-button{min-height:48px}.issue-report p:empty{margin:0}.issue-report-form{margin-top:8px}.issue-report-form fieldset{margin:0 0 12px;min-width:0}.issue-report-form .radio{align-items:flex-start;min-height:44px}.issue-report-form .radio input{flex:none;margin:1px 0 0}.issue-report-form label[for]{display:block;margin-bottom:8px}.issue-report-form textarea{display:block;width:100%;box-sizing:border-box;resize:vertical;padding:12px 14px;border:1px solid var(--line);border-radius:12px;font:inherit;background:var(--surface);color:var(--ink)}.issue-report-form textarea:focus{border-color:var(--action)}.issue-report-form .small{margin:6px 0 0}.issue-report-form .button-row{margin-top:16px}.standing-status{font-weight:700}.standing-strong{color:var(--green)}.standing-mixed{color:var(--ink-soft)}.standing-priority{color:var(--ink);text-decoration:underline}@media(max-width:480px){.standing-next{flex-direction:column;align-items:stretch;gap:10px}.standing-next>:first-child{flex:none}.standing-next .btn{width:100%}}.theme-switching *,.theme-switching *:before,.theme-switching *:after{transition:none!important}.password-field{display:flex;align-items:center;gap:.5rem}.password-field input{flex:1;min-width:0}.recovery-code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:clamp(1.1rem,6.5vw,1.5rem);font-weight:700;letter-spacing:.08em;text-align:center;padding:.75rem;border-radius:.75rem;background:var(--surface-soft)}.recovery-code .code-group{white-space:nowrap}.sync-waiting{display:inline-flex;align-items:center;color:var(--warm-ink)}@media(max-width:360px){.learner-bar{padding:14px 12px;gap:8px}.learner{gap:8px}.learner .avatar{width:40px;height:40px;font-size:19px}.header-actions{gap:4px}.header-actions .btn{padding:10px}}.subscribe>.panel,.subscribe>.notice{margin-bottom:20px}.subscribe .panel p,.access-lines p{overflow-wrap:anywhere}.access-lines p{margin:0;font-size:17px}.plan-choices{display:flex;flex-direction:column;gap:10px}.plan-choice{width:100%;min-width:0;text-align:left;padding:14px 16px;border:1px solid var(--line);border-radius:12px;background:var(--surface);overflow-wrap:anywhere;line-height:1.4}.plan-choice:hover:not(:disabled){background:var(--wash-soft)}.payment-list{list-style:none;margin:0;padding:0}.payment-list li{padding:10px 0;overflow-wrap:anywhere}.payment-list li+li{border-top:1px solid var(--line)}.settings-grid+.panel{margin-top:24px}:root{color:var(--ink);background:var(--bg)}body{background:var(--bg)}h1{font-size:clamp(1.65rem,2.7vw,2.25rem);letter-spacing:-.01em}h2{letter-spacing:0}.heading{margin-bottom:28px}.heading p{font-size:1rem}.panel{border-radius:18px;box-shadow:0 3px 12px #192e4003}.btn{border-radius:12px}.btn.secondary{background:var(--surface)}.btn:focus-visible,button:focus-visible,summary:focus-visible,a:focus-visible{outline:3px solid var(--focus);outline-offset:4px}summary{cursor:pointer}.sidebar{width:232px;background:var(--nav-bg);border:0;color:var(--nav-ink);padding:28px 18px}.sidebar .brand{color:var(--nav-ink);font-size:22px;gap:9px;margin-bottom:48px}.sidebar .brand svg{color:var(--nav-ink)}.sidebar button{color:var(--nav-ink)}.sidebar button.active,.sidebar button.active:hover{color:var(--nav-bg);background:var(--highlight)}.sidebar button:hover{background:var(--nav-hover)}.offline-status{border-color:var(--nav-line);color:var(--nav-ink)}.offline-status small{color:var(--nav-muted)}.offline-status svg{color:var(--highlight)}.workspace{margin-left:232px}.learner-bar{height:84px;background:var(--surface);padding:16px 36px}.main-content{max-width:1440px;padding:36px}.trail-avatar{background:var(--lavender-strong);color:var(--violet-ink);border-radius:17px}.trail-avatar[data-marker=★],.trail-avatar[data-marker=△]{color:var(--warm-ink);background:var(--warm-strong)}.trail-avatar[data-marker=◇],.trail-avatar[data-marker=○]{color:var(--highlight-ink);background:var(--highlight)}.trail-avatar[data-marker=✦],.trail-avatar[data-marker=↗]{color:var(--sky-ink);background:var(--sky)}.today-grid{display:grid;grid-template-columns:minmax(0,1.85fr) minmax(270px,1fr);gap:20px;align-items:stretch}.mission{display:flex;align-items:center;gap:10px;padding:28px;min-height:300px;background:var(--tint);border-color:var(--tint-line);position:relative}.mission-copy{flex:1;min-width:0;position:relative;z-index:1}.mission-label{display:inline-block;font-size:14px;color:var(--action);font-weight:750;margin-bottom:12px}.mission h2{font-size:clamp(24px,2.2vw,32px);line-height:1.2;margin:0 0 12px}.mission p{font-size:16px;line-height:1.6;margin-bottom:18px}.mission .mission-facts{color:var(--ink);font-size:14px;margin-bottom:18px}.mission .btn{margin-top:0;min-width:184px}.mission-art{width:30%;max-width:220px;height:auto;object-fit:contain;flex-shrink:0}.weekly-goal{padding:26px 24px}.weekly-goal h2{font-size:22px;margin-bottom:12px}.weekly-goal>p{font-size:16px}.week-days{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:7px;margin:24px 0}.week-day{display:flex;align-items:center;flex-direction:column;gap:9px;min-width:0}.week-day>span{width:30px;height:30px;background:var(--surface-sunk);color:var(--muted);border-radius:50%;display:flex;align-items:center;justify-content:center;border:2px solid transparent}.week-day>span svg{width:18px;height:18px}.week-day small{font-size:13px;color:var(--ink)}.week-day.done>span{background:var(--action);color:var(--on-accent)}.week-day.is-today>span{outline:2px solid var(--violet);outline-offset:3px}.week-day.is-today small{color:var(--violet);font-weight:750}.weekly-goal .goal-encouragement{border-left:3px solid var(--violet);padding-left:12px;font-size:14px;line-height:1.6;margin:0 0 8px}.weekly-goal .text-button{font-size:14px}.weekly-goal .text-button svg{width:16px}.coverage-note{display:flex;align-items:center;gap:14px;padding:16px 20px;margin:18px 0 28px;background:var(--warm);border:1px solid var(--warm-line);border-radius:13px}.coverage-note>svg{color:var(--warm-ink);width:28px;height:28px}.coverage-note p{margin:0;font-size:14px;line-height:1.55}.coverage-note strong,.coverage-note span{display:block}.coverage-note strong{color:var(--ink);margin-bottom:3px}.trail-heading{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:18px}.trail-heading h2{font-size:25px;margin:0 0 6px}.trail-heading p{font-size:15px;margin:0}.today-lower{display:grid;grid-template-columns:minmax(0,1.85fr) minmax(270px,1fr);gap:20px;align-items:start;margin-top:20px}.today-side{display:flex;flex-direction:column;gap:20px;min-width:0}.unit-trail{padding:26px}.unit-trail-heading{display:flex;align-items:center;gap:16px}.unit-trail-heading .topic-mark{width:56px;height:56px;border-radius:16px}.unit-trail-heading .topic-mark svg{width:30px;height:30px}.unit-trail-kicker{display:block;color:var(--topic-accent);font-size:14px;font-weight:750}.unit-trail-heading h2{font-size:24px;margin:2px 0 4px}.unit-trail-heading p{margin:0;font-size:14px;color:var(--muted)}.unit-trail-meter{height:8px;margin:18px 0 8px;border-radius:999px;background:var(--topic-pill);overflow:hidden}.unit-trail-meter>span{display:block;height:100%;border-radius:inherit;background:var(--topic-accent);transition:width .5s ease}.trail-steps{list-style:none;padding:0;margin:0 0 12px}.trail-steps>li{position:relative}.trail-steps>li:not(:last-child):before{content:"";position:absolute;left:31px;top:46px;bottom:-14px;border-left:3px dotted var(--topic-border)}.trail-step{display:flex;align-items:center;gap:14px;width:100%;padding:10px 12px;border:1px solid transparent;border-radius:14px;background:none;color:var(--ink);text-align:left;min-height:64px}.trail-step:hover{background:var(--topic-tint);border-color:var(--topic-border)}.trail-step.suggested{background:var(--lavender);border:2px solid var(--violet);padding:9px 11px}.step-node{position:relative;z-index:1;display:inline-flex;align-items:center;justify-content:center;flex:0 0 40px;height:40px;border-radius:50%;background:var(--surface);border:2px solid var(--topic-border);color:var(--muted);font-size:15px;font-weight:750}.step-node svg{width:20px;height:20px}.trail-step.tried .step-node{background:var(--topic-accent);border-color:var(--topic-accent);color:var(--on-accent)}.trail-step.suggested .step-node{background:var(--violet);border-color:var(--violet);color:var(--on-accent);box-shadow:0 0 0 5px var(--violet-ring)}.trail-step-copy{flex:1;min-width:0;display:flex;flex-direction:column;gap:2px}.trail-step-copy strong{font-size:16px;line-height:1.4}.trail-step-copy small{font-size:14px;color:var(--muted)}.trail-step.suggested .trail-step-copy small{color:var(--violet);font-weight:750}.trail-step>svg{flex-shrink:0;width:20px;height:20px;color:var(--topic-accent)}.refresh-card{padding:22px;background:var(--warm);border-color:var(--warm-line)}.refresh-card.is-empty{background:var(--surface);border-color:var(--line)}.refresh-card h2{font-size:20px;margin:0 0 6px}.refresh-card>p{font-size:14px;line-height:1.55;margin:0 0 12px}.refresh-list{list-style:none;padding:0;margin:0 0 8px;display:flex;flex-direction:column;gap:10px}.refresh-list li{display:flex;align-items:center;gap:10px}.refresh-list .topic-mark{width:36px;height:36px;border-radius:10px}.refresh-list .topic-mark svg{width:20px;height:20px}.refresh-list li>span:not(.topic-mark){flex:1;min-width:0;font-size:14px;font-weight:650}.refresh-list .btn{min-height:44px;padding:8px 14px;font-size:14px}.today-latest-result{margin-top:0;padding:22px}.today-latest-result h2{font-size:20px}.topic-mark{display:inline-flex;align-items:center;justify-content:center;width:64px;height:64px;border-radius:18px;background:var(--wash-strong);color:var(--action);flex-shrink:0}.topic-mark svg{width:35px;height:35px;stroke-width:1.6}.topic-mark[data-topic-group]{color:var(--topic-accent);background:var(--topic-pill)}.today-shortcuts{display:grid;grid-template-columns:1fr;gap:12px}.today-shortcuts .row{border:1px solid var(--wash-line);border-radius:14px;background:var(--wash);padding:18px;min-height:88px}.today-shortcuts .row+.row{background:var(--lavender);border-color:var(--lavender-line)}.today-shortcuts .row strong{font-size:16px}.today-shortcuts .row small{font-size:14px}.today-shortcuts .tile-icon{background:none;color:var(--action);width:32px;height:32px;border-radius:0}.today-shortcuts .row+.row .tile-icon{color:var(--violet)}.save-footer{margin-top:26px}.filters{margin-top:24px}.topic{gap:22px}.topic-copy{flex:1;min-width:0}.topic-title-row{display:flex;flex-wrap:wrap;align-items:center;gap:6px 12px;margin:0 0 8px}.topic-title-row h3{margin:0}.topic-done{display:inline-flex;align-items:center;gap:4px;padding:2px 9px;border-radius:999px;background:var(--topic-pill);color:var(--topic-accent);font-size:14px;font-weight:700}.topic-done svg{width:14px;height:14px}.topic-copy>p{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.unit-jump{display:flex;flex-wrap:wrap;gap:8px;margin:4px 0 24px}.unit-chip{display:inline-flex;align-items:center;gap:8px;min-height:40px;padding:6px 14px;border-radius:999px;border:1px solid var(--topic-border);background:var(--topic-tint);color:var(--topic-accent);font-size:14px;font-weight:700}.unit-chip:hover{background:var(--topic-pill)}.unit-chip span{min-width:22px;padding:0 6px;border-radius:999px;background:var(--surface);font-size:13px;text-align:center}.topic-unit{margin:0 0 32px;scroll-margin-top:24px}.topic-unit-heading{display:flex;align-items:center;gap:14px;margin-bottom:14px}.topic-unit-heading .topic-mark{width:44px;height:44px;border-radius:12px}.topic-unit-heading .topic-mark svg{width:24px;height:24px}.topic-unit-heading h2{font-size:22px;margin:0}.topic-unit-heading p{margin:2px 0 0;font-size:14px;color:var(--muted)}.topic p{font-size:16px}.practice-start{background:var(--lavender);border-color:var(--lavender-line)}.practice-goals li{margin:12px 0;line-height:1.55}.practice-session-help li{margin:8px 0}.practice-example-steps{margin:0}.practice-example-steps li{margin:12px 0;line-height:1.6}.practice-topic-layout .practice-example-answer{margin-bottom:16px}.curriculum-details{margin:14px 0 0}.curriculum-details summary,.question-details summary{min-height:44px;align-content:center;font-size:14px;color:var(--action);font-weight:650}.curriculum-details p{margin:12px 0;font-size:14px}.check-picker>p{font-size:15px}.check-search{margin-top:16px}.check-filters{gap:12px}.check-filters select{font-size:15px}.check-filter-details summary,.practice-help summary{min-height:44px;align-content:center;font-size:14px;font-weight:650;color:var(--action)}.check-filter-details .check-filters{margin-top:10px}.suggested-checks{margin:18px 0}.suggested-checks h3{font-size:18px}.suggested-check-link{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:48px;width:100%;background:var(--lavender);color:var(--violet-ink);border:1px solid var(--lavender-line);border-radius:10px;padding:10px 14px;text-align:left;font-size:15px;margin:8px 0}.suggested-check-link svg{width:18px;height:18px}.practice-start>.topic-mark{width:48px;height:48px;margin-bottom:12px}.practice-start>.topic-mark svg{width:28px;height:28px}.practice-help{margin-top:12px;border-top:1px solid var(--line);padding-top:8px}.check-choice-copy>span{font-size:14px}.check-choice-copy .check-suggestion{color:var(--action)}.selected-check{background:var(--lavender);border-color:var(--lavender-line)}.milestones{margin:28px 0}.milestone-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));list-style:none;padding:0;margin:0;gap:14px}.milestone-list>li{display:flex;align-items:flex-start;gap:14px;padding:18px;border:1px dashed var(--line-strong);border-radius:15px;background:var(--surface-soft)}.milestone-list>li.earned{background:var(--warm);border:1px solid var(--warm-line)}.milestone-icon{display:flex;align-items:center;justify-content:center;border-radius:14px;background:var(--surface-sunk);width:42px;height:42px;flex-shrink:0;color:var(--muted)}.earned .milestone-icon{background:var(--warm-strong);color:var(--warm-ink)}.milestone-list strong{font-size:16px}.milestone-list p{font-size:14px;margin:5px 0}.milestone-state{display:flex;gap:7px;align-items:center;color:var(--muted);font-size:13px;font-weight:650}.earned .milestone-state{color:var(--warm-ink)}.milestone-state svg{width:15px;height:15px}.marker-picker{margin:8px 0 16px}.marker-picker .avatar-options{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.marker-choice{border:1px solid var(--line);border-radius:13px;padding:10px 4px;background:var(--surface);display:flex;flex-direction:column;align-items:center;gap:7px;min-width:0}.marker-choice>span:last-child{font-size:13px;font-weight:500}.marker-choice.chosen{border:2px solid var(--violet);background:var(--lavender);padding:9px 3px}.marker-choice .avatar{width:40px;height:40px;font-size:22px;border-radius:12px}.setup-wrap .coverage-note,.welcome .coverage-note{margin:0;padding:14px}.setup-wrap .coverage-note>svg,.welcome .coverage-note>svg{width:24px}.setup-wrap .coverage-note strong,.welcome .coverage-note strong{font-size:14px}.settings-grid .coverage-note{margin:0;padding:12px}.player-wrap{max-width:800px}.player-header{padding-bottom:12px}.session-progress{margin:18px 0 12px}.player-learner{color:var(--muted);font-size:14px;font-weight:600;text-align:right}.session-progress-row{display:flex;justify-content:space-between;align-items:center;gap:12px}.question-level{flex-shrink:0;padding:3px 10px;border-radius:999px;background:var(--lavender);color:var(--violet);font-size:14px;font-weight:700}.progress-track{display:block;height:10px;margin-top:10px;border-radius:999px;background:var(--line);overflow:hidden}.progress-fill{display:block;height:100%;min-width:0;border-radius:inherit;background:linear-gradient(90deg,var(--action),var(--action-bright));transition:width .5s cubic-bezier(.2,.8,.3,1)}.player-footer{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px 16px;margin-top:8px}.player-footer .sound-controls{margin:0;gap:8px}.player-footer .sound-controls>button{font-size:14px;min-height:44px}.player-footer .player-save{padding-top:0;margin:0}.streak-chip{display:inline-flex;align-items:center;gap:6px;margin:-4px 0 14px;padding:5px 12px;border-radius:999px;background:var(--highlight);color:var(--highlight-ink);font-size:14px;font-weight:700;animation:streak-in .4s ease-out both}.streak-chip svg{width:16px;height:16px}.feedback.correct .feedback-symbol{position:relative;animation:feedback-pop .45s cubic-bezier(.2,.9,.3,1.35) both}.feedback.correct .feedback-symbol:after{content:"";position:absolute;inset:0;border-radius:50%;border:2px solid var(--green);animation:feedback-ring .7s ease-out .1s both;pointer-events:none}@keyframes feedback-pop{0%{transform:scale(.4);opacity:0}to{transform:scale(1);opacity:1}}@keyframes feedback-ring{0%{transform:scale(1);opacity:.7}to{transform:scale(1.9);opacity:0}}@keyframes streak-in{0%{transform:translateY(4px);opacity:0}to{transform:none;opacity:1}}.player-wrap h1{font-size:1.5rem;font-weight:650;line-height:1.4;letter-spacing:0}.player-wrap .heading{margin-bottom:14px}.player-wrap .small{font-size:.85rem}.answers{margin:18px 0;gap:10px}.answer{min-height:62px;padding:12px 16px}.answer.selected{padding:11px 15px;background:var(--lavender);border-color:var(--violet)}.selected .option-letter{background:var(--violet);border-color:var(--violet)}.selected .answer-check{color:var(--violet)}.player-actions{margin:18px 0}.retry-label{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--warm-ink);font-weight:650}.retry-label svg{width:18px;height:18px}.feedback{padding:24px}.feedback .heading h1{font-size:1.5rem;font-weight:750}.feedback>p{font-size:.95rem}.feedback-symbol{width:40px;height:40px}.feedback-actions{position:sticky;bottom:0;background:var(--bg);padding:12px 0;z-index:2;margin:0 0 16px}.question-details{border-top:1px solid var(--line);margin-top:20px}.question-details p{font-size:14px;margin:6px 0}.player-save{padding-top:12px}.result-summary{display:flex;align-items:flex-start;gap:16px;border-radius:16px;background:var(--lavender);border:1px solid var(--lavender-line);padding:22px;margin-bottom:20px}.result-summary strong{font-size:20px}.result-summary p{color:var(--ink);margin:8px 0}.result-summary span{font-size:15px;color:var(--violet-ink)}.result-next{background:var(--tint);display:flex;align-items:center;gap:24px;margin:20px 0}.result-next>div{flex:1;min-width:0}.result-next h2{font-size:23px;margin:8px 0}.result-next p{font-size:15px;margin:0}.result-next .btn{flex-shrink:0}.result-grade-note{margin:20px 0 0;font-size:14px}.celebration{border-radius:24px;width:64px;height:64px}.step-reveal{margin-top:12px}.step-reveal .text-button{font-size:15px}.large-text .player-wrap h1{font-size:1.5rem}.large-text .week-day small{font-size:14px}.large-text .mission p,.large-text .coverage-note p,.large-text .trail-step-copy small,.large-text .refresh-card>p,.large-text .milestone-list p,.large-text .practice-session-help li,.large-text .curriculum-details p{font-size:1rem}.large-text .mission-label,.large-text .offline-status,.large-text .weekly-goal .goal-encouragement,.large-text .weekly-goal .text-button{font-size:18px}.high-contrast .milestone-state,.high-contrast .result-summary span{color:var(--ink)}.high-contrast .week-day>span{border-color:var(--line)}@media(max-width:1180px){.sidebar{width:210px}.workspace{margin-left:210px}.main-content{padding:30px}.mission{padding:24px}.mission-art{width:26%}}@media(max-width:1000px){.today-grid{grid-template-columns:minmax(0,1fr)}.today-grid>.weekly-goal{order:2}.mission{min-height:260px}.mission-art{width:28%}.weekly-goal .week-days{max-width:340px}.today-lower{grid-template-columns:minmax(0,1fr)}.unit-trail{padding:20px 16px}.today-shortcuts{grid-template-columns:1fr;gap:12px}.topic{flex-wrap:nowrap}.topic .topic-copy{flex:initial;width:100%}.topic .btn{margin-left:auto}.result-next{flex-direction:column;align-items:stretch;gap:16px}}@media(max-width:700px){.sidebar{display:none}.workspace{margin-left:0}.learner-bar{height:76px;padding:12px 18px}.main-content{padding:24px 18px 104px}.heading{margin-bottom:22px}.heading h1{font-size:1.65rem}.heading p{font-size:.9rem;line-height:1.6}.today-grid{gap:18px}.mission{padding:22px;min-height:0;display:block}.mission-label{font-size:13px;padding-right:72px}.mission h2{font-size:25px;max-width:calc(100% - 74px);line-height:1.25;margin-bottom:20px}.mission p{font-size:15px}.mission-art{position:absolute;right:8px;top:22px;width:98px;height:98px}.mission .mission-facts{font-size:14px}.mission .btn{min-width:0;width:100%}.weekly-goal{padding:22px}.weekly-goal h2{font-size:21px}.weekly-goal .week-days{margin:20px 0;max-width:none}.coverage-note{padding:14px;align-items:flex-start;margin:18px 0 24px;gap:10px}.coverage-note>svg{width:22px;height:22px}.coverage-note p{font-size:14px}.trail-heading h2{font-size:23px}.trail-heading p{font-size:14px}.trail-step.suggested{padding:15px}.today-shortcuts .row{padding:16px}.topic{gap:14px;padding:20px}.topic>.topic-mark{width:46px;height:46px;border-radius:13px}.topic>.topic-mark svg{width:27px;height:27px}.topic .btn{margin:0}.filters{display:grid;grid-template-columns:minmax(0,1fr)}.filters>*{width:100%}.filters select{font-size:15px}.practice-topic-layout{gap:18px}.practice-topic-layout .panel,.practice-topic-layout .practice-start{padding:20px}.practice-topic-layout h2{font-size:21px;margin:12px 0}.practice-goals li{font-size:16px}.practice-session-facts{margin:16px 0}.milestone-list{grid-template-columns:1fr}.milestone-list>li{padding:16px}.stats{grid-template-columns:repeat(3,minmax(0,1fr))}.stats .panel{padding:15px 10px}.stats strong{font-size:25px}.stats span{font-size:13px}.player-wrap{padding:14px 18px 28px}.player-header{padding-bottom:8px}.player-header .text-button{flex-shrink:0;white-space:nowrap}.player-learner{flex:1;font-size:14px}.player-header>strong{flex-shrink:0;white-space:nowrap}.session-progress{margin:12px 0 14px;font-size:14px}.progress-track{height:8px;margin-top:8px}.question-level{font-size:13px}.player-wrap h1{font-size:1.2rem;line-height:1.45}.player-wrap .heading{margin-bottom:12px}.player-wrap>.small{font-size:.8rem;margin-bottom:12px}.answers{gap:9px;margin:14px 0}.answer{min-height:56px;padding:10px 12px;font-size:17px;gap:12px}.answer.selected{padding:9px 11px}.option-letter{width:30px;height:30px;font-size:15px}.player-actions,.feedback-actions{position:sticky;bottom:0;background:var(--bg);padding:12px 0 calc(12px + env(safe-area-inset-bottom));gap:10px;z-index:2;border-top:1px solid var(--line);margin:12px 0}.feedback-actions{flex-direction:row;flex-wrap:wrap}.feedback-actions .btn{flex:1;width:auto;font-size:14px;padding:10px;gap:8px}.feedback{padding:20px;margin:14px 0}.feedback .heading h1{font-size:1.3rem}.feedback>p{font-size:.9rem}.feedback-symbol{width:36px;height:36px}.option-feedback{padding:12px}.result-summary{padding:18px;gap:12px}.result-summary>.topic-mark{width:40px;height:40px;border-radius:12px}.result-summary .topic-mark svg{width:24px;height:24px}.result-summary strong{font-size:18px}.result-summary p{font-size:16px}.result-summary span{font-size:14px}.result-counts{grid-auto-flow:row;grid-template-columns:1fr;gap:8px}.result-counts .panel{flex-direction:row;align-items:center;padding:12px 16px;gap:16px}.result-counts strong{font-size:24px;min-width:48px}.result-counts span{font-size:14px}.result-next{padding:20px}.large-text .mission-art{display:none}.large-text .mission h2{max-width:none}.large-text .mission-label{padding-right:0}.large-text .session-progress-row{flex-wrap:wrap}.large-text .week-day small,.large-text .bottom-nav button{font-size:13px}}@media(max-width:360px){.main-content{padding-right:14px;padding-left:14px}.mission-art{width:78px;height:78px;right:6px}.mission h2{max-width:calc(100% - 50px);font-size:23px}.week-days{gap:4px}.week-day>span{width:27px;height:27px}.marker-picker .avatar-options{gap:8px}.marker-choice>span:last-child{font-size:13px}.player-actions .btn{font-size:14px;padding:10px 8px;gap:6px}}@media(prefers-reduced-motion:reduce){.trail-step:hover{transform:none}}.reduce-motion .trail-step:hover{transform:none}.topic-practice-format{color:var(--muted);font-size:14px;margin:0 0 16px}.topic-list>.topic{background:var(--topic-tint);border:1px solid var(--topic-border);border-left:6px solid var(--topic-accent);align-items:flex-start}.topic>.topic-mark{color:var(--topic-accent);background:var(--topic-pill)}.topic-group-label{display:inline-block;width:fit-content;max-width:100%;padding:5px 10px;border-radius:8px;background:var(--topic-pill);color:var(--topic-accent);font-size:14px;font-weight:700;line-height:1.5}.topic-list>.topic>.btn{align-self:center;color:var(--topic-accent);border-color:var(--topic-border);background:var(--surface)}.topic-list>.topic>.btn:hover{background:var(--topic-pill);border-color:var(--topic-accent)}.topic-curriculum{margin:14px 0}.indicator-badge{display:inline-flex;align-items:baseline;flex-wrap:wrap;gap:4px 8px;color:var(--ink-soft);font-size:14px;line-height:1.6}.indicator-badge strong{color:var(--topic-accent);font-size:14px;letter-spacing:.02em}.topic-curriculum-details{margin-top:2px}.topic-curriculum-details>summary{width:fit-content;max-width:100%;min-height:44px;padding:10px 0;color:var(--topic-accent);font-size:14px;font-weight:650}.topic-curriculum-content{padding:14px 16px;margin-bottom:12px;background:var(--glass);border:1px solid var(--topic-border);border-radius:10px;overflow-wrap:anywhere}.topic-curriculum-content .curriculum-exact{margin:0;font-size:15px;color:var(--ink-soft);line-height:1.65}.topic-curriculum-content .curriculum-source{margin:10px 0 0;font-size:13px;color:var(--muted)}.practice-curriculum-reference{margin:0 0 24px;padding:16px 20px;background:var(--topic-tint);border:1px solid var(--topic-border);border-left:6px solid var(--topic-accent);border-radius:14px}.practice-curriculum-reference .topic-curriculum{margin-bottom:0}.large-text .indicator-badge,.large-text .topic-group-label,.large-text .topic-curriculum-details>summary,.large-text .topic-curriculum-content .curriculum-source{font-size:1rem}@media(max-width:1000px){.topic-list>.topic>.btn{align-self:flex-end}}@media(max-width:700px){.topic-list>.topic{gap:14px}.topic-list>.topic>.btn{align-self:flex-start}.practice-curriculum-reference{padding:16px}}.topic-filter-field{display:flex;flex-direction:column;gap:6px;min-width:0;font-size:14px;font-weight:600}.topic-filter-field select{width:100%}.filters:has(.topic-filter-field){align-items:flex-end}@media(max-width:700px){.filters:has(.topic-filter-field){align-items:stretch}}.theme-choice{margin:4px 0 8px}.segmented{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:4px;padding:4px;border-radius:14px;background:var(--surface-sunk)}.form-panel .segmented label{position:relative;display:flex;margin:0}.segmented input{position:absolute;inset:0;opacity:0;margin:0;cursor:pointer}.segmented span{flex:1;display:flex;align-items:center;justify-content:center;min-height:44px;padding:6px 8px;border-radius:10px;font-size:15px;text-align:center;color:var(--muted);transition:background .15s,color .15s}.segmented input:checked+span{background:var(--surface);color:var(--ink);box-shadow:0 1px 4px #0b1c1f26}.segmented input:focus-visible+span{outline:3px solid var(--focus);outline-offset:2px}.welcome{min-height:calc(100vh / var(--app-zoom, 1));display:grid;grid-template-columns:minmax(0,1.08fr) minmax(0,1fr);background:var(--bg)}.welcome-hero{position:relative;overflow:hidden;display:flex;flex-direction:column;gap:48px;padding:44px clamp(28px,5vw,72px) 56px;color:var(--nav-ink);background:radial-gradient(60% 50% at 88% 0%,#ffc94d38,transparent 70%),radial-gradient(70% 60% at 0% 100%,#3d6fc75c,transparent 70%),var(--nav-bg)}.welcome-hero:before{content:"";position:absolute;inset:0;pointer-events:none;background-image:linear-gradient(#ffffff0d 1px,transparent 1px),linear-gradient(90deg,#ffffff0d 1px,transparent 1px);background-size:32px 32px;mask-image:linear-gradient(160deg,transparent 10%,#000 70%);-webkit-mask-image:linear-gradient(160deg,transparent 10%,#000 70%)}.welcome-hero:after{content:"";position:absolute;top:-20%;right:-10%;width:70%;height:90%;pointer-events:none;background:conic-gradient(from 200deg at 85% 0%,transparent 0deg,#ffc94d14 8deg,transparent 18deg,transparent 26deg,#ffffff0c 32deg,transparent 42deg);mask-image:radial-gradient(farthest-side at 85% 0%,#000 30%,transparent 100%);-webkit-mask-image:radial-gradient(farthest-side at 85% 0%,#000 30%,transparent 100%)}.welcome-hero>*{position:relative;z-index:1}.welcome-hero .brand{color:var(--nav-ink)}.welcome-hero .brand svg{color:var(--nav-ink)}.welcome-hero-copy{max-width:560px}.welcome-hero .heading{margin-bottom:28px}.welcome-hero .heading h1{color:#fff;font-size:clamp(2.1rem,4.2vw,3.4rem);font-weight:800;line-height:1.08;letter-spacing:-.025em;margin-bottom:18px}.welcome-hero .heading p{color:var(--nav-muted);font-size:clamp(1.02rem,1.4vw,1.2rem);line-height:1.6;max-width:48ch}.welcome-accent{color:var(--highlight);background:linear-gradient(transparent 78%,#ffc94d40 78%,#ffc94d40 94%,transparent 94%);padding:0 .04em}.welcome-facts{list-style:none;padding:0;margin:0 0 40px;display:flex;flex-wrap:wrap;gap:10px}.welcome-facts li{display:flex;align-items:baseline;gap:7px;padding:9px 14px;border:1px solid var(--nav-line);border-radius:999px;background:#ffffff0a;color:var(--nav-muted);font-size:14px}.welcome-facts strong{color:#fff;font-size:15px;font-weight:750}.welcome-art{position:absolute;right:-36px;bottom:-40px;width:min(42%,340px);height:auto;opacity:.95;z-index:0;filter:drop-shadow(0 18px 40px #0006)}.welcome-sample{--maths-ink: #142f66;width:min(100%,380px);padding:20px 22px 18px;border-radius:14px;color:#172d32;transform:rotate(-2.2deg);transition:transform .35s ease;background:linear-gradient(#1f4fa314 1px,transparent 1px) 0 0 / 22px 22px,linear-gradient(90deg,#1f4fa314 1px,transparent 1px) 0 0 / 22px 22px,#fffdf6;box-shadow:0 24px 50px -12px #0009,0 2px #fff inset;border-left:4px solid #e8a3a3}.welcome-sample:hover{transform:rotate(0) translateY(-3px)}.welcome-sample-tag{display:inline-block;font-size:12px;font-weight:750;color:#4d2d9f;background:#f0ecff;border-radius:999px;padding:4px 10px;margin-bottom:12px}.welcome-sample-question{color:#172d32;font-size:18px;font-weight:700;line-height:1.4;margin:0 0 14px}.welcome-sample-options{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:12px}.welcome-sample-options span{display:flex;align-items:center;gap:10px;padding:10px 12px;border:1px solid #dce3e8;border-radius:10px;background:#fff;font-weight:600}.welcome-sample-options b{display:grid;place-items:center;width:24px;height:24px;border-radius:7px;background:#f3f5f8;font-size:12px}.welcome-sample-options .picked{border:2px solid #126b54;background:#edf6ee;padding:9px 11px}.welcome-sample-options .picked svg{width:18px;height:18px;margin-left:auto;color:#126b54}.welcome-sample-hint{display:flex;align-items:center;gap:8px;margin:0;font-size:14px;color:#80551c;background:#fff9ed;border:1px solid #f0d7a5;border-radius:10px;padding:8px 10px}.welcome-sample-hint svg{width:17px;height:17px;flex-shrink:0}.welcome-stage{display:flex;align-items:center;justify-content:center;padding:48px clamp(20px,4vw,56px);background-color:var(--bg);background-size:28px 28px;background-image:linear-gradient(color-mix(in srgb,var(--line) 45%,transparent) 1px,transparent 1px),linear-gradient(90deg,color-mix(in srgb,var(--line) 45%,transparent) 1px,transparent 1px)}.welcome-stage-inner{width:min(100%,500px)}.welcome-card{padding:32px;border-radius:22px;box-shadow:0 1px 0 var(--line),0 24px 60px -24px #14233f40;gap:16px}.welcome-card h2{font-size:24px;margin:0}.welcome-card>p{margin:0;color:var(--muted);line-height:1.55}.welcome-card .btn{width:100%;min-height:56px;font-size:17px;font-weight:750}.welcome-card .btn:disabled{opacity:1;background:var(--surface-sunk);border-color:var(--line);color:var(--muted)}.welcome-card .btn:not(.secondary):not(:disabled){box-shadow:0 10px 22px -10px var(--action)}.welcome-status{color:var(--muted)}.welcome .privacy-note{text-align:center;color:var(--muted);margin:22px 8px 0}.setup-steps{list-style:none;display:flex;gap:6px;padding:0;margin:0 0 18px}.setup-steps li{flex:1;display:flex;flex-direction:column;gap:8px;font-size:13px;font-weight:650;color:var(--muted)}.setup-steps li:before{content:"";height:5px;border-radius:99px;background:var(--surface-sunk);order:-1}.setup-steps li.done:before{background:var(--action)}.setup-steps li.current:before{background:var(--highlight)}.setup-steps li.current{color:var(--ink)}.setup-steps span{display:none}.welcome-badge{width:64px;height:64px;border-radius:20px;display:grid;place-items:center;background:var(--highlight);color:var(--highlight-ink);position:relative}.welcome-badge svg{width:32px;height:32px}.welcome-badge.busy:after{content:"";position:absolute;inset:-6px;border-radius:24px;border:2px solid var(--highlight);animation:welcome-pulse 1.6s ease-out infinite}.setup-list{list-style:none;padding:0;margin:2px 0 6px;display:flex;flex-direction:column;gap:4px}.setup-list li{display:flex;align-items:flex-start;gap:12px;padding:10px 0;border-bottom:1px dashed var(--line);font-size:16px;line-height:1.45}.setup-list li:last-child{border-bottom:0}.setup-list svg,.setup-spinner{width:20px;height:20px;flex-shrink:0;margin-top:1px}.setup-list li.done svg{color:var(--green)}.setup-list li.warn{color:var(--warm-ink);background:var(--warm);border:1px solid var(--warm-line);border-radius:12px;padding:12px 14px;margin-top:6px}.setup-list li.warn svg{color:var(--warm-ink)}.setup-list li.busy{color:var(--ink-soft)}.setup-spinner{display:inline-block;border-radius:50%;border:3px solid var(--wash-line);border-top-color:var(--action);animation:welcome-spin .9s linear infinite}.welcome .profiles{display:flex;flex-direction:column;gap:12px}.welcome .profile-choice{border-radius:16px}.welcome .profile-choice{border:1px solid var(--line);padding:14px 12px;gap:14px}.welcome-hero-copy>*,.welcome-stage-inner>*{animation:welcome-rise .6s cubic-bezier(.2,.7,.2,1) both}.welcome-hero-copy>:nth-child(2),.welcome-stage-inner>:nth-child(2){animation-delay:.08s}.welcome-hero-copy>:nth-child(3),.welcome-stage-inner>:nth-child(3){animation-delay:.16s}.welcome-hero-copy>.welcome-sample{animation-name:welcome-rise-tilt}@keyframes welcome-rise{0%{opacity:0;transform:translateY(14px)}}@keyframes welcome-rise-tilt{0%{opacity:0;transform:translateY(18px) rotate(-2.2deg)}to{transform:rotate(-2.2deg)}}@keyframes welcome-pulse{0%{opacity:.9;transform:scale(.94)}to{opacity:0;transform:scale(1.15)}}@keyframes welcome-spin{to{transform:rotate(360deg)}}@media(prefers-reduced-motion:reduce){.welcome *,.welcome *:before,.welcome *:after{animation:none!important;transition:none!important}}.reduce-motion .welcome-sample:hover{transform:rotate(-2.2deg)}@media(max-width:960px){.welcome{display:block}.welcome-hero{gap:28px;padding:26px 20px 96px}.welcome-hero .heading{margin-bottom:18px}.welcome-hero .heading h1{font-size:clamp(1.9rem,8vw,2.6rem);margin-bottom:12px}.welcome-hero .heading p{font-size:16px}.welcome-hero-copy{max-width:none;padding-right:22%}.welcome:not(.showcase) .welcome-hero-copy{padding-right:26%}.welcome-facts{margin:0;gap:8px}.welcome-facts li{padding:7px 11px;font-size:13px}.welcome-facts strong{font-size:14px}.welcome-sample{display:none}.welcome-art{width:150px;right:-28px;bottom:auto;top:12px;opacity:.55}.welcome-stage{display:block;padding:0 16px 48px}.welcome-stage-inner{margin:-64px auto 0;position:relative}.welcome-card{padding:24px 20px;border-radius:20px}.welcome .setup-steps{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:12px 14px;margin-bottom:12px;box-shadow:0 12px 30px -18px #14233f55}}@media(max-width:420px){.welcome-hero-copy,.welcome:not(.showcase) .welcome-hero-copy{padding-right:0}.welcome-art{width:120px;top:4px;opacity:.35}}.exam-mixed{background:var(--tint);border-color:var(--tint-line)}.exam-mixed .btn{flex-shrink:0}.exam-standing>div{flex:1 1 auto;min-width:0}.exam-standing p{margin-bottom:0}.mixed-setup fieldset{margin:0;display:flex;flex-direction:column;gap:10px}.mixed-setup legend{font-weight:700;margin-bottom:8px}.mixed-years{display:flex;flex-direction:column;gap:4px;margin:0;padding:14px 16px;border-radius:12px;background:var(--tint);border:1px solid var(--tint-line)}.mixed-strand>:first-child{display:flex;flex-direction:column;gap:8px}.mixed-bar{display:block;height:8px;border-radius:99px;background:var(--surface-sunk);overflow:hidden;max-width:320px}.mixed-bar i{display:block;height:100%;border-radius:inherit;background:var(--action)}