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.17 200),oklch(72% .16 200) 50%,oklch(80% .14 180));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}:root{--radius-sm:0.5rem;--radius-md:0.75rem;--radius-lg:1rem;--radius-xl:1.5rem;--spacing-xs:0.25rem;--spacing-sm:0.5rem;--spacing-md:1rem;--spacing-lg:1.5rem;--spacing-xl:2rem;--spacing-2xl:3rem;--shadow-sm:0 1px 3px 0 rgba(0,0,0,0.6),0 1px 2px -1px rgba(0,0,0,0.5);--shadow-md:0 4px 8px -2px rgba(0,0,0,0.7),0 2px 4px -2px rgba(0,0,0,0.5);--shadow-lg:0 12px 24px -4px rgba(0,0,0,0.8),0 6px 12px -4px rgba(0,0,0,0.6);--shadow-glow:0 0 16px rgba(59,130,246,0.55),0 0 40px rgba(59,130,246,0.2),0 0 80px rgba(59,130,246,0.08);--glass-blur-locked:blur(18px) saturate(200%) brightness(1.05);--glass-bg-strong:rgba(15,28,51,0.75);--glass-highlight:inset 0 1px 0 rgba(255,255,255,0.06);--accent:oklch(72% 0.16 200);--accent-dim:oklch(58% 0.12 200);--accent-bright:oklch(84% 0.17 200);--accent-fg:oklch(11% 0.018 260);--accent-glow:oklch(72% 0.16 200/0.28);--accent-glow-lg:oklch(72% 0.16 200/0.45);--surface-base:oklch(11% 0.018 260);--surface-elevated:oklch(14.5% 0.018 260);--surface-high:oklch(19% 0.018 260);--surface-overlay:oklch(23% 0.018 260);--glass-bg:rgba(255,255,255,0.055);--glass-bg-hover:rgba(255,255,255,0.085);--glass-bg-active:rgba(255,255,255,0.130);--glass-border:rgba(255,255,255,0.100);--glass-border-subtle:rgba(255,255,255,0.055);--glass-border-accent:oklch(72% 0.16 200/0.35);--glass-blur:16px;--glass-blur-sm:8px;--glass-blur-lg:32px;--btn-digit-bg:rgba(255,255,255,0.070);--btn-digit-hover:rgba(255,255,255,0.110);--btn-digit-active:rgba(255,255,255,0.170);--btn-op-bg:oklch(72% 0.16 200/0.14);--btn-op-hover:oklch(72% 0.16 200/0.24);--btn-op-active:oklch(72% 0.16 200/0.34);--btn-op-border:oklch(72% 0.16 200/0.28);--btn-op-text:oklch(72% 0.16 200);--btn-fn-bg:rgba(255,255,255,0.045);--btn-fn-hover:rgba(255,255,255,0.075);--btn-fn-active:rgba(255,255,255,0.110);--btn-fn-text:oklch(80% 0.008 255);--btn-clear-bg:oklch(62% 0.22 27/0.14);--btn-clear-hover:oklch(62% 0.22 27/0.24);--btn-clear-border:oklch(62% 0.22 27/0.30);--btn-clear-text:oklch(70% 0.22 27);--btn-equals-bg:oklch(72% 0.16 200);--btn-equals-hover:oklch(80% 0.17 200);--btn-equals-active:oklch(65% 0.14 200);--btn-equals-text:oklch(11% 0.018 260);--btn-equals-shadow:0 0 28px oklch(72% 0.16 200/0.40),0 4px 12px rgba(0,0,0,0.45);--text-primary:oklch(95% 0.006 255);--text-secondary:oklch(72% 0.010 255);--text-muted:oklch(50% 0.010 255);--text-accent:oklch(72% 0.16 200);--text-error:oklch(70% 0.22 27);--font-display:"Cairo","Arabic UI Text","Tahoma",system-ui,sans-serif;--font-mono:"JetBrains Mono","Fira Code","Cascadia Code","Consolas",ui-monospace,monospace;--radius-xs:6px;--radius-sm:10px;--radius-md:14px;--radius-lg:18px;--radius-xl:22px;--radius-2xl:28px;--radius-full:9999px;--shadow-glass:0 8px 32px -8px rgba(0,0,0,0.55),0 1px 0 0 rgba(255,255,255,0.06) inset;--shadow-glass-sm:0 4px 16px -4px rgba(0,0,0,0.45);--shadow-btn:0 2px 8px -2px rgba(0,0,0,0.50);--shadow-accent:0 0 24px oklch(72% 0.16 200/0.28);--shadow-inset:0 2px 12px -4px rgba(0,0,0,0.50) inset;--ease-out:cubic-bezier(0.16,1,0.3,1);--ease-spring:cubic-bezier(0.34,1.56,0.64,1);--t-fast:120ms;--t-base:200ms;--t-slow:350ms;--color-primary:#3b82f6;--color-primary-light:#60a5fa;--color-primary-dark:#2563eb;--color-accent:#60a5fa;--color-accent-light:#93c5fd;--color-accent-dark:#3b82f6;--color-background:#070d1a;--color-surface:#0f1c33;--color-surface-hover:#162340;--color-border:#1e3a5f;--color-text:#f1f5f9;--color-text-muted:#94a3b8;--color-success:#10b981;--color-warning:#f59e0b;--color-error:#ef4444;--font-heading:"Cairo",system-ui,sans-serif;--font-body:"Cairo",system-ui,sans-serif;--font-mono-locked:"JetBrains Mono",ui-monospace,monospace;--shadow-glow-locked:0 0 16px rgba(59,130,246,0.55),0 0 40px rgba(59,130,246,0.2),0 0 80px rgba(59,130,246,0.08);--glass-bg-locked:rgba(15,28,51,0.55);--glass-border-locked:1px solid rgba(255,255,255,0.08);--dir:rtl}*,:after,:before{box-sizing:border-box}html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-optical-sizing:auto;-moz-text-size-adjust:100%;text-size-adjust:100%;-webkit-text-size-adjust:100%}body{margin:0;min-height:100dvh;background-color:oklch(11% .018 260);background-image:radial-gradient(ellipse 80% 55% at 20% -5%,oklch(24% .055 260/.75) 0,transparent 55%),radial-gradient(ellipse 65% 45% at 82% 108%,oklch(21% .048 200/.6) 0,transparent 55%);background-attachment:fixed;color:var(--text-primary);font-family:var(--font-display);font-feature-settings:"kern" 1;font-kerning:normal}:root{color-scheme:dark}::-webkit-scrollbar{width:4px;height:4px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--glass-border);border-radius:100px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}.calc-display,[data-mathfield]{unicode-bidi:isolate;text-align:right;letter-spacing:-.02em}.calc-display,.math-text,[data-mathfield]{direction:ltr;font-family:var(--font-mono);font-variant-numeric:tabular-nums}.math-text{unicode-bidi:embed}:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}:focus:not(:focus-visible){outline:none}.glass-btn{touch-action:manipulation}@media (prefers-reduced-motion:reduce){*,:after,:before{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}.hover\:bg-\[var\(--btn-clear-bg\)\]:hover{background-color:var(--btn-clear-bg)}.hover\:bg-\[var\(--glass-bg-hover\)\]:hover{background-color:var(--glass-bg-hover)}.hover\:bg-white\/20:hover{background-color:rgb(255 255 255/.2)}.hover\:text-\[var\(--text-error\)\]:hover{color:var(--text-error)}.hover\:text-\[var\(--text-primary\)\]:hover{color:var(--text-primary)}.hover\:opacity-80:hover{opacity:.8}.focus-visible\:outline:focus-visible{outline-style:solid}.focus-visible\:outline-2:focus-visible{outline-width:2px}.focus-visible\:outline-\[var\(--accent\)\]:focus-visible{outline-color:var(--accent)}.group:hover .group-hover\:opacity-100{opacity:1}@media (min-width:640px){.sm\:static{position:static}.sm\:z-auto{z-index:auto}.sm\:hidden{display:none}.sm\:h-11{height:2.75rem}.sm\:h-16{height:4rem}.sm\:h-auto{height:auto}.sm\:max-h-\[680px\]{max-height:680px}.sm\:w-72{width:18rem}.sm\:max-w-md{max-width:28rem}.sm\:flex-shrink-0{flex-shrink:0}.sm\:grid-cols-6{grid-template-columns:repeat(6,minmax(0,1fr))}.sm\:items-center{align-items:center}.sm\:gap-3{gap:.75rem}.sm\:gap-5{gap:1.25rem}.sm\:rounded-2xl{border-radius:28px}.sm\:p-4{padding:1rem}.sm\:p-5{padding:1.25rem}.sm\:px-7{padding-left:1.75rem;padding-right:1.75rem}.sm\:py-10{padding-top:2.5rem;padding-bottom:2.5rem}.sm\:pb-5{padding-bottom:1.25rem}.sm\:pb-6{padding-bottom:1.5rem}.sm\:pt-5{padding-top:1.25rem}.sm\:text-2xl{font-size:1.5rem;line-height:2rem}.sm\:text-3xl{font-size:1.875rem;line-height:2.25rem}.sm\:text-5xl{font-size:3rem;line-height:1}.sm\:text-lg{font-size:1.125rem;line-height:1.75rem}.sm\:text-sm{font-size:.875rem;line-height:1.25rem}.sm\:text-xl{font-size:1.25rem;line-height:1.75rem}}