*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg-primary: #0a0a1a;--bg-secondary: #0f0f2e;--bg-card: #13133a;--bg-card-hover: #1a1a4a;--gold: #f5c842;--gold-light: #ffe680;--gold-dark: #c49a00;--purple: #7c3aed;--purple-light: #a855f7;--purple-dark: #5b21b6;--cyan: #06b6d4;--cyan-light: #67e8f9;--green: #10b981;--red: #ef4444;--orange: #f97316;--text-primary: #ffffff;--text-secondary:#c4c4e0;--text-muted: #7070a0;--border: rgba(124, 58, 237, .3);--border-gold: rgba(245, 200, 66, .4);--shadow-gold: 0 0 30px rgba(245, 200, 66, .3);--shadow-purple: 0 0 30px rgba(124, 58, 237, .4);--shadow-card: 0 8px 32px rgba(0, 0, 0, .5);--radius-sm: 8px;--radius-md: 16px;--radius-lg: 24px;--radius-xl: 32px;--font-main: "Cairo", "Tajawal", sans-serif;--ease-bounce: cubic-bezier(.34, 1.56, .64, 1);--ease-smooth: cubic-bezier(.4, 0, .2, 1)}html{font-size:16px;direction:rtl}body{font-family:var(--font-main);background:var(--bg-primary);color:var(--text-primary);min-height:100vh;overflow-x:hidden;-webkit-font-smoothing:antialiased}#root{min-height:100vh}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:var(--bg-secondary)}::-webkit-scrollbar-thumb{background:var(--purple);border-radius:3px}.star-bg{position:fixed;top:0;right:0;bottom:0;left:0;overflow:hidden;z-index:0;pointer-events:none}.star-bg:before,.star-bg:after{content:"";position:absolute;top:-50%;right:-50%;bottom:-50%;left:-50%;background-image:radial-gradient(1px 1px at 20% 30%,rgba(255,255,255,.6) 0%,transparent 100%),radial-gradient(1px 1px at 80% 10%,rgba(255,255,255,.4) 0%,transparent 100%),radial-gradient(1px 1px at 50% 70%,rgba(255,255,255,.5) 0%,transparent 100%),radial-gradient(1px 1px at 10% 60%,rgba(255,255,255,.3) 0%,transparent 100%),radial-gradient(1px 1px at 90% 80%,rgba(255,255,255,.5) 0%,transparent 100%),radial-gradient(2px 2px at 40% 20%,rgba(245,200,66,.4) 0%,transparent 100%),radial-gradient(2px 2px at 70% 50%,rgba(124,58,237,.4) 0%,transparent 100%);background-size:400px 400px;animation:starsDrift 60s linear infinite}.star-bg:after{background-size:300px 300px;animation-duration:90s;animation-direction:reverse}@keyframes starsDrift{0%{transform:translate(0)}to{transform:translate(200px,200px)}}.orb{position:fixed;border-radius:50%;filter:blur(80px);opacity:.15;z-index:0;pointer-events:none;animation:orbFloat 8s ease-in-out infinite}.orb-1{width:600px;height:600px;background:var(--purple);top:-200px;left:-200px}.orb-2{width:500px;height:500px;background:var(--gold);bottom:-200px;right:-200px;animation-delay:-4s}.orb-3{width:400px;height:400px;background:var(--cyan);top:50%;right:20%;animation-delay:-2s}@keyframes orbFloat{0%,to{transform:translateY(0) scale(1)}50%{transform:translateY(-40px) scale(1.05)}}.screen{position:relative;z-index:1;min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:2rem}.card{background:linear-gradient(135deg,var(--bg-card),var(--bg-secondary));border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-card);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.card-gold{border-color:var(--border-gold);box-shadow:var(--shadow-gold)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.875rem 2rem;border:none;border-radius:var(--radius-md);font-family:var(--font-main);font-size:1.1rem;font-weight:700;cursor:pointer;transition:all .2s var(--ease-smooth);position:relative;overflow:hidden;white-space:nowrap}.btn:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:#ffffff1a;opacity:0;transition:opacity .2s}.btn:hover:after{opacity:1}.btn:active{transform:scale(.97)}.btn-primary{background:linear-gradient(135deg,var(--purple),var(--purple-dark));color:#fff;box-shadow:0 4px 20px #7c3aed66}.btn-primary:hover{box-shadow:0 6px 28px #7c3aed99;transform:translateY(-2px)}.btn-gold{background:linear-gradient(135deg,var(--gold),var(--gold-dark));color:#0a0a1a;box-shadow:0 4px 20px #f5c84266}.btn-gold:hover{box-shadow:0 6px 28px #f5c84299;transform:translateY(-2px)}.btn-outline{background:transparent;color:var(--text-primary);border:2px solid var(--border)}.btn-outline:hover{border-color:var(--purple-light);color:var(--purple-light)}.btn-danger{background:linear-gradient(135deg,var(--red),#b91c1c);color:#fff;box-shadow:0 4px 20px #ef44444d}.btn-success{background:linear-gradient(135deg,var(--green),#059669);color:#fff;box-shadow:0 4px 20px #10b9814d}.btn-lg{padding:1.2rem 3rem;font-size:1.4rem;border-radius:var(--radius-lg)}.btn-sm{padding:.5rem 1.2rem;font-size:.9rem}.btn:disabled{opacity:.4;cursor:not-allowed;transform:none!important}.input{width:100%;padding:.875rem 1.2rem;background:#ffffff0d;border:2px solid var(--border);border-radius:var(--radius-md);color:var(--text-primary);font-family:var(--font-main);font-size:1.1rem;font-weight:600;outline:none;transition:border-color .2s,box-shadow .2s;direction:rtl;text-align:right}.input:focus{border-color:var(--purple-light);box-shadow:0 0 0 3px #a855f733}.input::placeholder{color:var(--text-muted)}.title-xl{font-size:clamp(2.5rem,6vw,5rem);font-weight:900;line-height:1.1;text-align:center}.title-lg{font-size:clamp(1.8rem,4vw,3rem);font-weight:800;line-height:1.2}.title-md{font-size:clamp(1.2rem,2.5vw,1.8rem);font-weight:700}.text-gold{background:linear-gradient(135deg,var(--gold),var(--gold-light));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.text-purple{background:linear-gradient(135deg,var(--purple-light),var(--cyan));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.glow-text{text-shadow:0 0 20px currentColor}.divider{width:100%;height:1px;background:linear-gradient(to right,transparent,var(--border),transparent);margin:1.5rem 0}.badge{display:inline-flex;align-items:center;padding:.3rem .8rem;border-radius:100px;font-size:.85rem;font-weight:700;letter-spacing:.02em}.badge-easy{background:#10b98133;color:#34d399;border:1px solid rgba(16,185,129,.4)}.badge-medium{background:#f59e0b33;color:#fbbf24;border:1px solid rgba(245,158,11,.4)}.badge-hard{background:#ef444433;color:#f87171;border:1px solid rgba(239,68,68,.4)}@keyframes fadeInUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes scaleIn{0%{opacity:0;transform:scale(.8)}to{opacity:1;transform:scale(1)}}@keyframes pulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.7;transform:scale(.97)}}@keyframes shimmer{0%{background-position:-200% center}to{background-position:200% center}}@keyframes bounce{0%,to{transform:translateY(0)}50%{transform:translateY(-8px)}}@keyframes spin{to{transform:rotate(360deg)}}.anim-fade-up{animation:fadeInUp .5s var(--ease-smooth) both}.anim-fade-in{animation:fadeIn .4s var(--ease-smooth) both}.anim-scale-in{animation:scaleIn .4s var(--ease-bounce) both}.anim-pulse{animation:pulse 2s ease-in-out infinite}.anim-bounce{animation:bounce 2s ease-in-out infinite}.grid-auto{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.5rem}.progress-bar{width:100%;height:8px;background:#ffffff1a;border-radius:100px;overflow:hidden}.progress-fill{height:100%;border-radius:100px;transition:width 1s linear;background:linear-gradient(to left,var(--gold),var(--orange))}@media (max-width: 768px){.screen{padding:1rem}.btn-lg{padding:1rem 2rem;font-size:1.2rem}}@media (min-width: 1920px){html{font-size:20px}}