:root{--background:#f8fafc;--foreground:#22223b;--card:#ffffff;--primary:#4d96ff;--primary-foreground:#ffffff;--muted:#eef2f7;--muted-foreground:#475569;--accent:#ff6b6b;--border:#e2e8f0;--danger:#ff6b6b;--ring:#4d96ff;--radius:1.1rem;--font-display:var(--font-baloo);--font-body:var(--font-nunito);--mint:#6bcb77;--sun:#ffd93d}[data-stage=ilkokul]{--background:#fff8e8;--foreground:#2b2d42;--card:#ffffff;--primary:#ffd93d;--primary-foreground:#2b2d42;--accent:#ff6b6b;--muted:#fff0b3;--muted-foreground:#2b2d42;--border:#f2b705;--radius:1.45rem;--font-display:var(--font-baloo);--font-body:var(--font-nunito);font-size:18px}[data-stage=ortaokul]{--background:#f8fafc;--foreground:#172554;--card:#ffffff;--primary:#1d64d8;--primary-foreground:#ffffff;--accent:#ff6b6b;--muted:#e8f1ff;--muted-foreground:#172554;--border:#a6cbff;--radius:1rem;--font-display:var(--font-poppins);--font-body:var(--font-nunito)}[data-stage=lise]{--background:#f8fafc;--foreground:#22223b;--card:#ffffff;--primary:#22223b;--primary-foreground:#f8fafc;--accent:#4f46e5;--muted:#eef2f7;--muted-foreground:#22223b;--border:#cbd5e1;--radius:0.65rem;--font-display:var(--font-montserrat);--font-body:var(--font-montserrat)}[data-effects=yogun] button:active{transform:scale(.98)}[data-effects=kapali] button{transition:none}[data-theme=pembe-mor]{--background:#fdf2f8;--foreground:#2b2d42;--card:#ffffff;--primary:#f472b6;--primary-foreground:#2b2d42;--muted:#fce7f3;--muted-foreground:#2b2d42;--accent:#8b5cf6;--border:#f9a8d4;--danger:#ff6b6b;--ring:#f472b6;color-scheme:light}[data-theme=mavi-turkuaz]{--background:#eff6ff;--foreground:#172554;--card:#ffffff;--primary:#3b82f6;--primary-foreground:#ffffff;--muted:#dbeafe;--muted-foreground:#172554;--accent:#14b8a6;--border:#bfdbfe;--danger:#ff6b6b;--ring:#3b82f6;color-scheme:light}[data-theme=yesil-doga]{--background:#f0fdf4;--foreground:#14532d;--card:#ffffff;--primary:#22c55e;--primary-foreground:#14532d;--muted:#dcfce7;--muted-foreground:#14532d;--accent:#65a30d;--border:#bbf7d0;--danger:#ff6b6b;--ring:#22c55e;color-scheme:light}[data-theme=gece]{--background:#0f172a;--foreground:#f8fafc;--card:#1e293b;--primary:#ffd93d;--primary-foreground:#0f172a;--muted:#1e293b;--muted-foreground:#e2e8f0;--accent:#312e81;--border:#334155;--danger:#ff6b6b;--ring:#312e81;color-scheme:dark}[data-theme=yuksek-kontrast]{--background:#000000;--foreground:#ffffff;--card:#000000;--primary:#ffd93d;--primary-foreground:#000000;--muted:#111111;--muted-foreground:#ffffff;--accent:#ffffff;--border:#ffffff;--danger:#ff6b6b;--ring:#ffd93d;color-scheme:dark}[data-stage=lise] .math-text{font-family:var(--font-montserrat),"Segoe UI",sans-serif;font-size:1.05rem;font-weight:500;line-height:1.7}[data-stage=ilkokul] main button{min-height:3.5rem;font-size:1.05rem}@theme inline{--color-background:var(--background);--color-foreground:var(--foreground);--color-card:var(--card);--color-primary:var(--primary);--color-primary-foreground:var(--primary-foreground);--color-muted:var(--muted);--color-muted-foreground:var(--muted-foreground);--color-accent:var(--accent);--color-border:var(--border);--color-danger:var(--danger);--font-sans:var(--font-body);--font-serif:var(--font-display)}body{background:radial-gradient(900px 420px at 0 -10%,color-mix(in srgb,var(--primary) 18%,transparent),transparent 60%),radial-gradient(700px 380px at 100% 0,color-mix(in srgb,var(--accent) 16%,transparent),transparent 55%),var(--background);color:var(--foreground);font-family:var(--font-body),"Segoe UI",sans-serif}.font-serif,h1,h2{font-family:var(--font-display),"Segoe UI",sans-serif;font-weight:800}.math-text p{margin-bottom:.55rem}.math-text p:last-child{margin-bottom:0}.katex-display{overflow-x:auto;overflow-y:hidden;padding-bottom:.2rem}a,button{-webkit-tap-highlight-color:transparent;touch-action:manipulation}input,select,textarea{font-size:16px}[data-font=disleksi]{--font-display:var(--font-lexend);--font-body:var(--font-lexend);letter-spacing:.02em}[data-board=sunum]{font-size:1.35rem}[data-board=sunum] .site-footer,[data-board=sunum] .site-nav{display:none}:focus-visible{outline:3px solid var(--ring);outline-offset:2px}.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}