@font-face{font-family:Baloo\ 2;font-style:normal;font-weight:400 800;font-display:swap;src:url(/_next/static/media/1d3bc6cf8ffd57a1-s.woff2) format("woff2");unicode-range:u+0900-097f,u+1cd0-1cf4,u+1cf7-1cf9,u+200c-200d,u+20a8,u+20b9,u+20f0,u+25cc,u+a830-a839,u+a8e0-a8ff,u+11b00-11b0a}@font-face{font-family:Baloo\ 2;font-style:normal;font-weight:400 800;font-display:swap;src:url(/_next/static/media/86fbc9d8e118e1a5-s.woff2) format("woff2");unicode-range:u+0102-0103,u+0110-0111,u+0128-0129,u+0168-0169,u+01a0-01a1,u+01af-01b0,u+0300-0301,u+0303-0304,u+0308-0309,u+0323,u+0329,u+1ea0-1ef9,u+20ab}@font-face{font-family:Baloo\ 2;font-style:normal;font-weight:400 800;font-display:swap;src:url(/_next/static/media/643504413c165422-s.woff2) format("woff2");unicode-range:u+0100-02ba,u+02bd-02c5,u+02c7-02cc,u+02ce-02d7,u+02dd-02ff,u+0304,u+0308,u+0329,u+1d00-1dbf,u+1e00-1e9f,u+1ef2-1eff,u+2020,u+20a0-20ab,u+20ad-20c4,u+2113,u+2c60-2c7f,u+a720-a7ff}@font-face{font-family:Baloo\ 2;font-style:normal;font-weight:400 800;font-display:swap;src:url(/_next/static/media/a65324f02aa278dc-s.p.woff2) format("woff2");unicode-range:u+00??,u+0131,u+0152-0153,u+02bb-02bc,u+02c6,u+02da,u+02dc,u+0304,u+0308,u+0329,u+2000-206f,u+20ac,u+2122,u+2191,u+2193,u+2212,u+2215,u+feff,u+fffd}@font-face{font-family:Baloo\ 2 Fallback;src:local("Arial");ascent-override:112.55%;descent-override:54.71%;line-gap-override:0.00%;size-adjust:95.78%}.__className_03f095{font-family:Baloo\ 2,Baloo\ 2 Fallback;font-style:normal}.__variable_03f095{--font-display:"Baloo 2","Baloo 2 Fallback"}@font-face{font-family:Lexend;font-style:normal;font-weight:100 900;font-display:swap;src:url(/_next/static/media/630e0b819503bca7-s.woff2) format("woff2");unicode-range:u+0102-0103,u+0110-0111,u+0128-0129,u+0168-0169,u+01a0-01a1,u+01af-01b0,u+0300-0301,u+0303-0304,u+0308-0309,u+0323,u+0329,u+1ea0-1ef9,u+20ab}@font-face{font-family:Lexend;font-style:normal;font-weight:100 900;font-display:swap;src:url(/_next/static/media/6eed223b32d97b82-s.woff2) format("woff2");unicode-range:u+0100-02ba,u+02bd-02c5,u+02c7-02cc,u+02ce-02d7,u+02dd-02ff,u+0304,u+0308,u+0329,u+1d00-1dbf,u+1e00-1e9f,u+1ef2-1eff,u+2020,u+20a0-20ab,u+20ad-20c4,u+2113,u+2c60-2c7f,u+a720-a7ff}@font-face{font-family:Lexend;font-style:normal;font-weight:100 900;font-display:swap;src:url(/_next/static/media/793968fa3513f5d6-s.p.woff2) format("woff2");unicode-range:u+00??,u+0131,u+0152-0153,u+02bb-02bc,u+02c6,u+02da,u+02dc,u+0304,u+0308,u+0329,u+2000-206f,u+20ac,u+2122,u+2191,u+2193,u+2212,u+2215,u+feff,u+fffd}@font-face{font-family:Lexend Fallback;src:local("Arial");ascent-override:90.98%;descent-override:22.74%;line-gap-override:0.00%;size-adjust:109.91%}.__className_9d0602{font-family:Lexend,Lexend Fallback;font-style:normal}.__variable_9d0602{--font-body:"Lexend","Lexend Fallback"}@font-face{font-family:Kalam;font-style:normal;font-weight:400;font-display:swap;src:url(/_next/static/media/548d4a6452851abd-s.woff2) format("woff2");unicode-range:u+0900-097f,u+1cd0-1cf4,u+1cf7-1cf9,u+200c-200d,u+20a8,u+20b9,u+20f0,u+25cc,u+a830-a839,u+a8e0-a8ff,u+11b00-11b0a}@font-face{font-family:Kalam;font-style:normal;font-weight:400;font-display:swap;src:url(/_next/static/media/89f9cb1a88b9175b-s.woff2) format("woff2");unicode-range:u+0100-02ba,u+02bd-02c5,u+02c7-02cc,u+02ce-02d7,u+02dd-02ff,u+0304,u+0308,u+0329,u+1d00-1dbf,u+1e00-1e9f,u+1ef2-1eff,u+2020,u+20a0-20ab,u+20ad-20c4,u+2113,u+2c60-2c7f,u+a720-a7ff}@font-face{font-family:Kalam;font-style:normal;font-weight:400;font-display:swap;src:url(/_next/static/media/bf273aca3d6b346f-s.p.woff2) format("woff2");unicode-range:u+00??,u+0131,u+0152-0153,u+02bb-02bc,u+02c6,u+02da,u+02dc,u+0304,u+0308,u+0329,u+2000-206f,u+20ac,u+2122,u+2191,u+2193,u+2212,u+2215,u+feff,u+fffd}@font-face{font-family:Kalam;font-style:normal;font-weight:700;font-display:swap;src:url(/_next/static/media/2f968d8fa37d003d-s.woff2) format("woff2");unicode-range:u+0900-097f,u+1cd0-1cf4,u+1cf7-1cf9,u+200c-200d,u+20a8,u+20b9,u+20f0,u+25cc,u+a830-a839,u+a8e0-a8ff,u+11b00-11b0a}@font-face{font-family:Kalam;font-style:normal;font-weight:700;font-display:swap;src:url(/_next/static/media/a741d221f759c10d-s.woff2) format("woff2");unicode-range:u+0100-02ba,u+02bd-02c5,u+02c7-02cc,u+02ce-02d7,u+02dd-02ff,u+0304,u+0308,u+0329,u+1d00-1dbf,u+1e00-1e9f,u+1ef2-1eff,u+2020,u+20a0-20ab,u+20ad-20c4,u+2113,u+2c60-2c7f,u+a720-a7ff}@font-face{font-family:Kalam;font-style:normal;font-weight:700;font-display:swap;src:url(/_next/static/media/59086a93cebe8094-s.p.woff2) format("woff2");unicode-range:u+00??,u+0131,u+0152-0153,u+02bb-02bc,u+02c6,u+02da,u+02dc,u+0304,u+0308,u+0329,u+2000-206f,u+20ac,u+2122,u+2191,u+2193,u+2212,u+2215,u+feff,u+fffd}@font-face{font-family:Kalam Fallback;src:local("Arial");ascent-override:108.94%;descent-override:54.42%;line-gap-override:0.00%;size-adjust:97.58%}.__className_7c202b{font-family:Kalam,Kalam Fallback;font-style:normal}.__variable_7c202b{--font-hand:"Kalam","Kalam Fallback"}:root{--paper:#fbfaf6;--ink:#1d2b45;--muted:#566176;--line:#e4d9c4;--card:#ffffff;--navy:#1e3a6e;--navy-dark:#152a52;--rust:#b5502f;--rust-dark:#8f3c20;--mustard:#e0a32e;--mustard-ink:#8a5d0c;--birch:#e3c08f;--birch-dark:#c9a26b;--chalkboard:#2f5d4b;--pencil:#33414f;--pen:#c8262c;--green:#2e7d4f;--green-dark:#1f5e3a;--saffron:#e0a32e;--red:#b3261e;--blue:#2f64b5;--shadow:0 8px 18px rgba(30,58,110,0.08);--wood-grain:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='600' height='120'%3E%3Cfilter id='g'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.006 0.22' numOctaves='3' stitchTiles='stitch' seed='4'/%3E%3CfeColorMatrix values='0 0 0 0 0.62 0 0 0 0 0.46 0 0 0 0 0.28 0 0 0 0.55 -0.12'/%3E%3C/filter%3E%3Crect width='600' height='120' filter='url(%23g)'/%3E%3C/svg%3E");--felt-grain:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='f'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3' stitchTiles='stitch' seed='7'/%3E%3CfeColorMatrix values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.5 -0.12'/%3E%3C/filter%3E%3Crect width='240' height='240' filter='url(%23f)'/%3E%3C/svg%3E");color-scheme:light}*{box-sizing:border-box}body,html{margin:0;padding:0}body{font-family:var(--font-body),"Segoe UI",sans-serif;color:var(--ink);background:linear-gradient(160deg,#fffdf6 0,var(--paper) 45%,#f3f7fa 100%);min-height:100vh}a{color:inherit}button,input,select{font:inherit}.topbar{display:flex;align-items:center;flex-wrap:wrap;gap:12px;padding:10px 16px;position:-webkit-sticky;position:sticky;top:0;background:var(--wood-grain),var(--birch);background-blend-mode:multiply;border-bottom:4px solid var(--birch-dark);z-index:5}.brand{font-family:var(--font-display),"Segoe UI",sans-serif;font-weight:800;font-size:24px;line-height:1;text-decoration:none;color:var(--navy-dark)}.brand span{color:var(--rust-dark)}.navlinks{display:flex;gap:8px;margin-left:auto;flex-wrap:wrap}.navlinks a{text-decoration:none;padding:8px 12px;border-radius:10px;color:var(--navy-dark);font-weight:500}.navlinks a:hover{background:rgba(255,255,255,.5)}.navlinks a[aria-current=page]{background:#fff;color:var(--ink)}.wrap{width:min(880px,calc(100% - 32px));margin:0 auto;padding:clamp(44px,5vw,92px) 0 64px}.hero h1{font-family:var(--font-display),"Segoe UI",sans-serif;font-size:clamp(34px,6vw,56px);font-weight:800;line-height:1.05;color:var(--navy);margin:12px 0}.lede{font-size:18px;color:var(--muted);max-width:40rem}.hero .chips{margin:16px 0 4px}.actions{display:flex;gap:10px;flex-wrap:wrap;margin:18px 0}.btn{min-height:48px;padding:12px 18px;border-radius:14px;border:2px solid var(--birch-dark);background:var(--card);color:var(--ink);box-shadow:0 4px 0 var(--birch-dark);font-weight:600;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;cursor:pointer;transition:transform .12s ease,box-shadow .12s ease}.btn:hover:not(:disabled){transform:translateY(2px);box-shadow:0 2px 0 var(--birch-dark)}.btn:active:not(:disabled){transform:translateY(4px);box-shadow:0 0 0 var(--birch-dark)}.btn.primary{background:var(--rust);color:white;border-color:var(--rust);box-shadow:0 4px 0 var(--rust-dark)}.btn.primary:hover:not(:disabled){box-shadow:0 2px 0 var(--rust-dark)}.btn.primary:active:not(:disabled){box-shadow:0 0 0 var(--rust-dark)}.btn.ghost{background:transparent}.btn:disabled{opacity:.55;cursor:not-allowed;box-shadow:none}.card{background:var(--card);border:1px solid var(--line);border-radius:14px 14px 6px 6px;padding:16px;box-shadow:0 7px 0 var(--birch),var(--shadow)}.card h1,main h1{font-family:var(--font-display),"Segoe UI",sans-serif;font-size:clamp(28px,8vw,44px);font-weight:800;line-height:1.05;color:var(--navy);margin:8px 0 12px}.stats{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:8px;gap:8px;margin:12px 0}.stat{background:white;border:1px solid var(--line);border-radius:14px;padding:12px;margin:0}.stat strong{display:block;font-size:28px}.node a,a.node{text-decoration:none;color:inherit;display:block}.chips{display:flex;gap:8px;overflow-x:auto;padding-bottom:4px}.chip{border:1px solid var(--line);background:white;border-radius:999px;min-height:44px;padding:8px 14px;cursor:pointer;white-space:nowrap}.chip.on{background:var(--navy);color:white;border-color:var(--navy)}.soon-panel{margin-top:12px;border-color:#e7c9a4;background:#fff8ef}.soon-panel h2{font-size:clamp(22px,5vw,32px)}.chip.soon{display:inline-flex;align-items:center;gap:8px;color:var(--muted);cursor:not-allowed;background:#f7f2ea}.soon-label{font-size:12px;letter-spacing:.03em;text-transform:uppercase;color:var(--mustard-ink);font-weight:800}.steps{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:10px;gap:10px;margin:18px 0}.search{display:flex;flex-direction:column;gap:6px;margin:12px 0;font-weight:700}.search input{min-height:48px;border:1px solid var(--line);border-radius:12px;padding:8px 12px;background:white}.browse-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px;border:2px solid var(--line);border-radius:14px;background:white}.browse-row .btn{flex:none}.browse-row p{margin:4px 0}.skill-list{display:flex;flex-direction:column;gap:8px;margin-top:12px}.path-list a,.path-list button.row,.skill-list a{display:flex;justify-content:space-between;gap:12px;text-decoration:none;padding:12px;border-radius:12px;background:#fff;border:1px solid var(--line);width:100%;text-align:left;cursor:pointer}.muted{color:var(--muted)}.tag{font-size:12px;letter-spacing:.04em;text-transform:uppercase;color:var(--rust);font-weight:700}.tokens{display:flex;gap:8px;flex-wrap:wrap}.token{display:inline-flex;align-items:center;justify-content:center;min-width:48px;min-height:48px;border-radius:999px;font-weight:800}.token.plus{background:#e5f6ee;color:var(--green-dark)}.token.minus{background:#fdeceb;color:var(--red)}.place-chart{border-collapse:collapse;margin:8px 0}.place-chart td,.place-chart th{border:1px solid var(--line);padding:8px 12px;text-align:center}.fraction-bar{width:min(100%,420px);height:auto}.practice-head{display:flex;justify-content:space-between;gap:16px;align-items:flex-end}.practice-head h1{font-family:var(--font-display),"Segoe UI",sans-serif;font-size:clamp(26px,4vw,36px);font-weight:800;line-height:1.1;margin:0}.mastery{height:12px;background:#f0e4cd;border-radius:999px;overflow:hidden;min-width:140px}.mastery>span{display:block;height:100%;background:linear-gradient(90deg,var(--saffron),var(--green))}.pair{display:grid;grid-template-columns:1fr 1fr;grid-gap:12px;gap:12px;margin:12px 0}.pair-card{display:flex;flex-direction:column;align-items:flex-start;gap:8px;text-align:left;min-height:140px;padding:14px;border-radius:16px;border:1px solid var(--line);background:white;cursor:pointer}.pair-card .question{font-size:22px;margin:0}.pair-card.on{border-color:var(--navy);box-shadow:inset 0 0 0 2px var(--navy)}.strand-row{display:flex;flex-wrap:wrap;gap:8px}.question{font-size:clamp(26px,5vw,38px);font-weight:600;letter-spacing:-.01em;margin:12px 0 18px}.question-visual{margin:0 0 16px;max-width:100%;color:var(--ink)}.question-visual svg{display:block;max-width:100%;height:auto}.question-visual svg.q-picture{width:min(100%,360px)}.choices{display:grid;grid-gap:10px;gap:10px}.choice{min-height:52px;border-radius:14px;border:1px solid var(--line);background:white;text-align:left;padding:12px 14px;cursor:pointer}.choice.on{border-color:var(--navy);box-shadow:inset 0 0 0 2px var(--navy)}.fraction{display:inline-grid;justify-items:center;font-size:28px;line-height:1.1}.fraction input,.line-range,.num-input{font-size:28px;width:88px;text-align:center;border:none;border-bottom:2px solid var(--ink);background:transparent;border-radius:0}.fraction .bar{width:72px;height:2px;background:var(--ink);margin:2px 0}.feedback{padding:12px 14px;border-radius:12px;margin-top:12px}.feedback.ok{background:#e5f6ee;color:var(--green-dark)}.feedback.bad{background:#fdeceb;color:var(--red)}.overlay{position:fixed;inset:0;background:rgba(21,42,82,.45);display:grid;place-items:end center;padding:12px;z-index:20}.sheet{width:min(720px,100%);max-height:min(92vh,900px);overflow:auto;background:var(--card);border-top:8px solid var(--birch);border-radius:20px 20px 12px 12px;padding:16px}.map-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));grid-gap:12px;gap:12px}.node{border-radius:14px;padding:12px;border:1px solid var(--line);background:white}.legend{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0;padding:0;list-style:none}.legend li,.state-label{display:inline-flex;align-items:center;gap:6px;border-radius:999px;padding:6px 10px;border:2px solid var(--line);background:white;font-weight:700}.state-icon{width:16px;height:16px;flex:none}.journey-card.mastered,.legend li.mastered{border-color:var(--green);background:#f3fbf7;color:var(--green-dark)}.journey-card.working,.legend li.working{border-color:var(--saffron);background:#fff6ec}.journey-card.stuck,.legend li.stuck{border-color:var(--red);background:#fdeceb}.journey-card.review,.legend li.review{border-color:#6d4aff;background:#f6f3ff}.journey-card.ready,.legend li.ready{border-color:var(--blue);background:#eef3ff}.journey-card.locked,.legend li.locked{border-color:#b7aea0;background:#f7f4ee}.journey-card.soon,.legend li.soon{border-style:dashed;border-color:#c9c3b8;background:#fafafa;color:var(--muted)}.journey-card{border-radius:14px;padding:12px;border:2px solid var(--line);background:white;display:flex;flex-direction:column;gap:6px;color:var(--ink)}.journey-card .state-label{align-self:flex-start;font-size:13px}.journey-card .btn{margin-top:4px}.strand-label{margin:14px 0 8px;font-size:14px;letter-spacing:.04em;text-transform:uppercase;color:var(--muted)}.next-step{font-size:18px}.tree-svg{width:min(100%,520px);height:auto}.activity{display:flex;gap:8px;overflow-x:auto;padding:0;margin:8px 0 0;list-style:none}.activity li{min-width:180px;border:1px solid var(--line);border-radius:14px;background:white;padding:10px 12px;gap:4px}.activity li,.order{display:flex;flex-direction:column}.order{gap:8px}.line{position:relative;height:64px;margin:18px 8px}.line .track{position:absolute;left:0;right:0;top:28px;height:4px;background:var(--ink);border-radius:4px}.line input[type=range]{position:absolute;left:0;right:0;top:16px;width:100%}.topbar-bunting{position:-webkit-sticky;position:sticky;top:62px;z-index:4;height:0;pointer-events:none}.topbar-bunting .room-bunting{display:block;width:100%;height:auto;aspect-ratio:1500/56}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid var(--navy);outline-offset:2px}@media (prefers-reduced-motion:reduce){.btn{transition:none}.btn:active:not(:disabled),.btn:hover:not(:disabled){transform:none}}@media (max-width:720px){.steps{grid-template-columns:1fr}.actions .btn{flex:1 1 100%}.navlinks{gap:4px}.navlinks a{padding:8px}.practice-head{flex-direction:column;align-items:stretch}.score-line{text-align:left}.pair{grid-template-columns:1fr}.wrap{width:min(880px,calc(100% - 24px))}.topbar-bunting{display:none}.map-grid,.stats{grid-template-columns:1fr}}