:root{color-scheme:light;--paper:#f8f7f3;--ink:#243c36;--muted:#5b6c64;--green:#185e4b;--line:#dce3dc;--white:#fff;--focus:#a45711;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}*{box-sizing:border-box}[hidden]{display:none!important}body{margin:0}a{color:inherit}button,input{font:inherit}button,a,input,summary{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--focus);outline-offset:4px}button{cursor:pointer}.skip{position:fixed;top:-70px;left:20px;background:var(--green);color:white;padding:12px 20px;z-index:10}.skip:focus{top:10px}.masthead,main,footer{width:min(1180px,calc(100% - 80px));margin-inline:auto}.masthead{height:100px;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line)}.brand{display:flex;gap:12px;align-items:center;font-size:23px;font-weight:750;letter-spacing:-1px;text-decoration:none}.brandmark{display:grid;place-content:center;width:37px;height:37px;border-radius:10px;background:var(--green);color:#fffaf0;font-size:24px;font-weight:650;letter-spacing:0}.brand-dot{margin-left:-12px;color:#a46432}nav{display:flex;align-items:center;gap:32px;font-size:14px;font-weight:600}nav a{text-decoration:none;min-height:44px;display:flex;align-items:center;gap:14px}nav a:hover{text-decoration:underline}.current{color:var(--green)}.staff-link{border:1px solid #becbc1;padding:0 17px;border-radius:7px}.intro{padding:56px 0 40px}.eyebrow{font-size:11px;letter-spacing:2px;font-weight:750;color:var(--green);margin:0 0 20px}h1{font-size:clamp(36px,4.5vw,56px);font-weight:650;line-height:1.12;letter-spacing:-2.4px;margin:0 0 20px}h1 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7px;font-size:13px}.filter-row{display:flex;gap:16px;justify-content:space-between;align-items:center;margin:24px 0}.filters{display:flex;flex-wrap:wrap;gap:7px}.filters button{min-height:39px;background:transparent;border:1px solid transparent;border-radius:6px;color:#52665b;padding:8px 14px;font-size:13px;font-weight:600}.filters button:hover{background:#e9ede7}.filters button[aria-pressed=true]{background:var(--green);color:white}.filter-row>p{margin:0;white-space:nowrap;font-size:13px;color:var(--muted)}.tool-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;align-items:start}.tool-card{position:relative;display:flex;flex-direction:column;min-height:275px;padding:24px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:0 2px 3px #243c3603;transition:border-color .15s,box-shadow .15s}.tool-card:hover{border-color:#9bb5a4;box-shadow:0 5px 16px #243c360b}.card-top{display:flex;align-items:center;justify-content:space-between;min-height:34px;margin-bottom:20px}.subject{font-size:11px;font-weight:650;letter-spacing:.1px;padding:5px 9px;border-radius:5px;background:#edf2ec;color:#3b614a}.subject.maths{background:#ecf1fc;color:#365a90}.subject.english{background:#f6ede6;color:#83533a}.subject.science{background:#e8f3ed;color:#326750}.subject.history{background:#f0ebf6;color:#685084}.subject.assessment{background:#f6f0db;color:#745e22}.card-icon{font-family:Georgia,serif;font-weight:600;font-size:24px;letter-spacing:-1px;color:#84958a}.card-icon.maths{font-size:19px;letter-spacing:1px;color:#8297b2}.card-icon.english{color:#b2967f}.card-icon.history{color:#a095af}.tool-card h2{font-size:19px;line-height:1.3;letter-spacing:-.35px;margin:0 0 11px;font-weight:650}.tool-card h2 a{text-decoration:none}.tool-card h2 a:hover{text-decoration:underline;text-underline-offset:4px}.description{font-size:14px;line-height:1.65;color:var(--muted);margin:0 0 23px;flex:1;min-height:69px}.card-bottom{display:flex;gap:12px;align-items:center;justify-content:space-between;margin-top:auto;padding-top:15px;border-top:1px solid #edf0eb}.card-bottom>span{font-size:11px;color:#697b70}.open-tool{font-size:12px;font-weight:700;color:var(--green);white-space:nowrap;text-decoration:none;min-height:28px;display:flex;align-items:center;gap:12px}.open-tool:hover{text-decoration:underline}.versions{border-top:1px solid #edf0eb;margin-top:12px;padding-top:10px;font-size:12px;color:var(--muted)}summary{cursor:pointer;min-height:26px;line-height:26px}.versions ul{padding-left:18px;line-height:1.7;margin:6px 0 0}.versions li+li{margin-top:6px}.versions a{display:inline-block;min-height:28px;text-underline-offset:3px}.staff-note{display:flex;align-items:center;justify-content:space-between;gap:25px;padding:28px 30px;border:1px solid #dce3d9;background:#edf1e9;border-radius:10px;margin:42px 0 0}.staff-note h2{font-size:16px;font-weight:650;margin:0 0 6px;letter-spacing:-.2px}.staff-note p{font-size:13px;color:var(--muted);margin:0}.staff-note>a{font-size:13px;font-weight:650;white-space:nowrap;text-decoration:none;color:var(--green);padding:10px 0}.staff-note>a:hover{text-decoration:underline}.staff-note>a span{margin-left:12px}footer{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:32px 0;margin-top:40px;border-top:1px solid var(--line);font-size:12px;color:#65756b}.footer-brand{font-size:16px;font-weight:750;text-decoration:none;letter-spacing:-.6px}.empty{padding:45px 20px 55px;text-align:center;border:1px dashed #bdc9be;border-radius:10px;color:var(--muted)}.empty>span{font-size:40px}.empty h2{color:var(--ink);font-size:21px}.empty p{font-size:14px}.empty button{margin-top:8px;background:var(--green);color:white;border:0;padding:12px 20px;border-radius:6px}.notice{font-size:14px}@media(min-width:1100px){.tool-card{min-height:283px}}@media(max-width:900px){.masthead,main,footer{width:calc(100% - 48px)}.tool-grid{grid-template-columns:repeat(2,minmax(0,1fr))}h1{font-size:44px}.intro{padding-top:44px}.tool-card{padding:22px}}@media(max-width:600px){.masthead,main,footer{width:calc(100% - 32px)}.masthead{height:82px}.brand{font-size:20px;gap:9px}.brandmark{width:31px;height:31px;font-size:21px}.brand-dot{margin-left:-9px}nav{gap:0}.current{display:none}.staff-link{padding:0 11px;font-size:12px;gap:10px}.intro{padding:35px 0 30px}.eyebrow{font-size:10px;letter-spacing:1.6px;margin-bottom:16px}h1{font-size:38px;letter-spacing:-1.7px}.intro-copy{font-size:14px;line-height:1.65}.desktop-break{display:none}.search-box{padding:0 13px;min-height:56px;gap:10px}.search-box input{font-size:15px;height:54px}.search-box kbd{display:none}.filter-row{display:block;margin:20px 0}.filters{gap:4px}.filters button{font-size:12px;padding:8px 10px;min-height:39px}.filter-row>p{margin-top:16px;font-size:12px}.tool-grid{grid-template-columns:1fr;gap:14px}.tool-card{min-height:0;padding:22px}.card-top{margin-bottom:13px}.description{min-height:0;margin-bottom:19px}.staff-note{padding:23px;display:block;margin-top:28px}.staff-note>a{display:inline-block;margin-top:12px}footer{margin-top:28px;padding:24px 0}}@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}