:root{color:#1b241f;background:#f5f1e7;font-family:Atkinson Hyperlegible,Avenir Next,Trebuchet MS,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility;--ink: #1b241f;--muted: #5e665f;--paper: #fffaf0;--line: #d9ccb7;--leaf: #276749;--leaf-dark: #143d2b;--sky: #9bd3df;--coral: #f06449;--gold: #f2c14e}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh;background:linear-gradient(135deg,#9bd3dfb3,#f5f1e700 34%),repeating-linear-gradient(0deg,rgba(27,36,31,.03),rgba(27,36,31,.03) 1px,transparent 1px,transparent 32px),#f5f1e7}button,a{font:inherit}button{cursor:pointer}.app-shell{min-height:100vh}.topbar{align-items:center;display:flex;justify-content:space-between;margin:0 auto;max-width:1320px;padding:20px}.brand,.nav-links a,.primary-action{align-items:center;color:var(--ink);display:inline-flex;gap:10px;text-decoration:none}.brand{font-family:Georgia,serif;font-size:1.28rem;font-weight:700}.nav-links{background:#fffaf0b8;border:1px solid var(--line);display:flex;gap:6px;padding:5px}.nav-links a{border-radius:4px;color:var(--muted);padding:9px 14px}.nav-links a.active{background:var(--ink);color:#fffaf0}.dashboard,.about-screen,.practice-screen,.countdown-screen,.setup-screen,.sprint-screen,.revision-run-screen{margin:0 auto;max-width:1320px;padding:42px 20px 64px}.intro-panel,.setup-screen,.result-panel{align-items:start;display:grid;gap:32px;grid-template-columns:minmax(0,1fr) minmax(280px,420px)}.intro-panel{background:linear-gradient(110deg,#276749f2,#143d2bf5),var(--leaf-dark);color:#fffaf0;align-items:center;grid-template-columns:minmax(0,1fr) minmax(260px,360px);min-height:440px;padding:52px;position:relative;overflow:hidden}.intro-panel:after{background:linear-gradient(90deg,transparent 49%,rgba(255,250,240,.35) 50%,transparent 51%),linear-gradient(0deg,transparent 49%,rgba(255,250,240,.35) 50%,transparent 51%);content:"";height:220px;position:absolute;right:70px;top:64px;transform:rotate(-8deg);width:220px}.intro-copy{display:grid;gap:22px;max-width:760px;position:relative;z-index:1}.intro-board{border-left:1px solid rgba(255,250,240,.24);display:grid;gap:12px;justify-items:start;padding-left:38px;position:relative;z-index:1}.intro-board span{color:var(--gold);font-family:Georgia,serif;font-size:5rem;font-weight:800;line-height:.9}.intro-board strong{color:#fffaf0;font-family:Georgia,serif;font-size:2.2rem;line-height:1.05;max-width:260px}.intro-board small{color:#fffaf0b8;font-size:1rem;font-weight:800;text-transform:uppercase}.intro-panel h1,.setup-copy h1,.question-stage h1,.result-panel h1,.history-band h2{font-family:Georgia,serif;letter-spacing:0;line-height:1.02;margin:0}.intro-panel h1,.setup-copy h1,.result-panel h1{font-size:4.2rem;max-width:760px}.setup-copy h1{font-size:3.7rem;max-width:520px}.intro-panel p:not(.eyebrow),.setup-copy p{color:inherit;font-size:1.1rem;line-height:1.7;max-width:560px}.eyebrow{color:var(--coral);font-size:.78rem;font-weight:800;letter-spacing:.12em;margin:0 0 12px;text-transform:uppercase}.intro-panel .eyebrow{color:var(--gold)}.primary-action{background:var(--gold);border:2px solid #131a16;border-radius:4px;box-shadow:5px 5px #131a16;font-weight:800;justify-self:start;padding:14px 18px}.intro-actions{align-items:center;display:flex;flex-wrap:wrap;gap:16px}.secondary-action{align-items:center;border:1px solid currentColor;display:inline-flex;font-weight:900;gap:10px;padding:13px 17px;text-decoration:none}.light-action{color:#fffaf0}.button-reset{color:var(--ink)}.stats-grid,.result-stats{display:grid;gap:14px;grid-template-columns:repeat(4,minmax(0,1fr));margin:20px 0}.metric-card{background:var(--paper);border:1px solid var(--line);border-radius:6px;display:grid;gap:8px;min-height:132px;padding:18px}.metric-card span{color:var(--muted)}.metric-card strong{font-family:Georgia,serif;font-size:2.2rem}.metric-icon{color:var(--leaf)}.metric-icon svg{height:24px;width:24px}.sync-loading{align-items:center;color:var(--muted);display:flex;gap:12px;justify-content:center;margin:0 auto;max-width:1320px;min-height:220px;padding:42px 20px 64px}.sync-band{background:#fffaf0d6;border:1px solid var(--line);border-left:5px solid var(--leaf);border-radius:6px;display:grid;gap:22px;margin-bottom:20px;padding:28px 32px}.sync-band.sync-offline,.sync-band.sync-error{border-left-color:var(--coral)}.sync-summary{align-items:center;display:grid;gap:16px;grid-template-columns:auto minmax(0,1fr) auto}.sync-summary h2{font-family:Georgia,serif;font-size:1.8rem;line-height:1.05;margin:0 0 7px}.sync-summary p:not(.eyebrow){color:var(--muted);line-height:1.5;margin:0}.sync-icon{align-items:center;background:#dff4df;border-radius:50%;color:var(--leaf);display:inline-flex;height:48px;justify-content:center;width:48px}.sync-offline .sync-icon,.sync-error .sync-icon{background:#f9dddd;color:#8a2f2f}.recovery-code-card{align-items:center;background:#f5f1e7;border:1px solid var(--line);display:flex;gap:20px;justify-content:space-between;padding:18px}.recovery-code-card>div{display:grid;gap:5px}.recovery-code-card span,.recovery-code-card small,.recovery-form small{color:var(--muted)}.recovery-code-card code{font-size:1.15rem;font-weight:900;letter-spacing:.08em;overflow-wrap:anywhere}.recovery-form-wrap summary{align-items:center;color:var(--leaf-dark);cursor:pointer;display:inline-flex;font-weight:900;gap:8px}.recovery-form{display:grid;gap:10px;margin-top:16px;max-width:720px}.recovery-form label{font-weight:900}.recovery-form>div{align-items:stretch;display:flex;gap:12px}.recovery-form input{background:#fffaf0;border:2px solid var(--ink);border-radius:4px;flex:1;font:inherit;font-weight:800;letter-spacing:.06em;min-width:0;padding:12px 14px;text-transform:uppercase}.recovery-form 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p:not(.eyebrow){font-size:1.08rem;line-height:1.7;max-width:760px}.coverage-summary{display:grid;gap:14px;grid-template-columns:repeat(4,minmax(0,1fr))}.coverage-groups{display:grid;gap:18px;grid-template-columns:repeat(3,minmax(0,1fr))}.coverage-card{background:#fffaf0d6;border:1px solid var(--line);border-radius:6px;display:grid;gap:18px;padding:28px}.coverage-card h2{font-size:2rem}.coverage-card ul{display:grid;gap:8px;list-style:none;margin:0;padding:0}.coverage-card li{align-items:center;border-top:1px solid var(--line);display:flex;gap:12px;justify-content:space-between;min-height:42px;padding-top:8px}.coverage-card li span{font-weight:800}.coverage-card li strong{border:1px solid var(--line);flex:0 0 auto;font-size:.72rem;letter-spacing:.08em;padding:4px 7px;text-transform:uppercase}.active-type{background:#dff4df;border-color:#2f7d32;color:#143d2b}.coming-soon-type{background:#f5f1e7;color:var(--muted)}.setup-screen{align-items:center;grid-template-columns:minmax(300px,.85fr) 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var(--line);display:flex;gap:14px;padding:18px}.revision-plan-summary strong{color:var(--leaf-dark);font-family:Georgia,serif;font-size:2.5rem}.revision-plan-summary span{color:var(--muted);font-weight:800}.revision-block-list{display:grid;list-style:none;margin:0;padding:0}.revision-block-list li{align-items:center;border-top:1px solid var(--line);display:grid;gap:12px;grid-template-columns:34px minmax(0,1fr) auto;padding:13px 0}.revision-block-list li>span{align-items:center;background:var(--ink);color:#fffaf0;display:inline-flex;font-weight:900;height:30px;justify-content:center;width:30px}.revision-block-list div{display:grid;gap:3px}.revision-block-list small,.revision-block-list em{color:var(--muted);font-style:normal;line-height:1.35}.revision-block-list em{font-size:.78rem;font-weight:900;white-space:nowrap}.form-error{background:#f9dddd;border:1px solid #b23b3b;color:#5c1f1f;font-weight:800;margin:0;padding:12px}.control-panel{display:grid;gap:22px;padding:34px}.control-panel 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span{color:var(--muted);font-weight:800}.pace-status.gold{background:#fff3c4;border-color:#c99717}.pace-status.pass{background:#dff4df;border-color:#2f7d32}.pace-status.below{background:#f9dddd;border-color:#b23b3b}.streak-result{border-left:5px solid var(--gold);display:grid;gap:6px;padding:8px 0 8px 16px}.streak-result strong{font-family:Georgia,serif;font-size:1.55rem;line-height:1.1}.streak-result span{color:var(--muted);font-weight:800;line-height:1.45}.streak-result.practice-only{border-left-color:var(--coral)}.progress-toggle{align-items:center;background:#fffaf0;border:1px solid var(--line);color:var(--ink);display:flex;gap:14px;min-height:86px;padding:18px;text-transform:none}.maths-topic-options{border:0;display:grid;gap:10px;margin:0;min-width:0;padding:0}.maths-topic-options legend{color:var(--muted);font-size:.82rem;font-weight:800;margin-bottom:10px;text-transform:uppercase}.control-panel .maths-topic-options .progress-toggle{min-height:74px;padding:14px 16px;text-transform:none}.maths-topic-options .progress-toggle strong{font-size:1rem;font-weight:700;letter-spacing:0;text-transform:none}.maths-topic-options .progress-toggle small{font-size:.88rem;font-weight:400;letter-spacing:0;text-transform:none}.maths-topic-icon{background:var(--sky);border:1px solid #5c98a5;border-radius:6px;box-sizing:content-box;color:var(--leaf-dark);flex:0 0 auto;padding:8px}.maths-topic-options .progress-toggle:has(input:checked) .maths-topic-icon{background:var(--leaf-dark);border-color:var(--leaf-dark);color:#fffaf0}.progress-toggle input{accent-color:var(--leaf);flex:0 0 auto;height:22px;width:22px}.progress-toggle span{display:grid;gap:4px}.progress-toggle strong{font-size:1rem}.progress-toggle small{color:var(--muted);font-size:.9rem;font-weight:700;line-height:1.35}.segmented button,.sprint-header button,.choice-grid button{background:#fffaf0;border:1px solid var(--line);border-radius:4px;color:var(--ink);min-height:46px;padding:10px 12px}.segmented 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