@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap";
:root{--bg-primary:#0a0a0f;--bg-secondary:#12121a;--bg-tertiary:#1a1a2e;--bg-card:#1a1a2e99;--bg-card-hover:#282846b3;--text-primary:#fff;--text-secondary:#a0a0b0;--text-muted:#6b6b7b;--accent-purple:#8b5cf6;--accent-blue:#3b82f6;--accent-cyan:#06b6d4;--accent-green:#22c55e;--accent-yellow:#eab308;--accent-red:#ef4444;--accent-pink:#ec4899;--gradient-primary:linear-gradient(135deg,#8b5cf6 0%,#3b82f6 100%);--gradient-secondary:linear-gradient(135deg,#06b6d4 0%,#8b5cf6 100%);--gradient-accent:linear-gradient(135deg,#ec4899 0%,#8b5cf6 50%,#3b82f6 100%);--border-subtle:#ffffff14;--border-medium:#ffffff26;--shadow-glow:0 0 30px #8b5cf64d;--shadow-card:0 8px 32px #0000004d;--spacing-xs:.25rem;--spacing-sm:.5rem;--spacing-md:1rem;--spacing-lg:1.5rem;--spacing-xl:2rem;--spacing-2xl:3rem;--spacing-3xl:4rem;--radius-sm:.5rem;--radius-md:.75rem;--radius-lg:1rem;--radius-xl:1.5rem;--radius-full:9999px;--transition-fast:.15s ease;--transition-normal:.25s ease;--transition-slow:.4s ease}*{box-sizing:border-box;margin:0;padding:0}.nav-link.disabled{opacity:.4;cursor:not-allowed;color:var(--text-muted);padding:.5rem 1rem;font-size:.9rem;font-weight:500}html{scroll-behavior:smooth}body{background:var(--bg-primary);color:var(--text-primary);min-height:100vh;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;line-height:1.6;overflow-x:hidden}body:before{content:"";pointer-events:none;z-index:-1;background:radial-gradient(at 20% 20%,#8b5cf626 0%,#0000 50%),radial-gradient(at 80% 80%,#3b82f626 0%,#0000 50%),radial-gradient(#06b6d414 0%,#0000 70%);position:fixed;inset:0}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg-secondary)}::-webkit-scrollbar-thumb{background:var(--bg-tertiary);border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:var(--accent-purple)}h1,h2,h3,h4,h5,h6{letter-spacing:-.02em;font-weight:700;line-height:1.2}h1{font-size:clamp(2.5rem,5vw,4rem)}h2{font-size:clamp(1.75rem,3vw,2.5rem)}h3{font-size:clamp(1.25rem,2vw,1.5rem)}a{color:inherit;text-decoration:none}.container{max-width:1400px;padding:0 var(--spacing-lg);margin:0 auto}.gradient-text{background:var(--gradient-primary);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text}.glass-card{background:var(--bg-card);-webkit-backdrop-filter:blur(20px);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);transition:all var(--transition-normal)}.glass-card:hover{background:var(--bg-card-hover);border-color:var(--border-medium);box-shadow:var(--shadow-glow);transform:translateY(-4px)}.btn{justify-content:center;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-sm)var(--spacing-lg);border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-normal);border:none;font-size:.95rem;font-weight:500;display:inline-flex}.btn-primary{background:var(--gradient-primary);color:#fff;box-shadow:0 4px 15px #8b5cf666}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 25px #8b5cf680}.btn-secondary{background:var(--bg-tertiary);color:var(--text-primary);border:1px solid var(--border-medium)}.btn-secondary:hover{background:var(--bg-card-hover);border-color:var(--accent-purple)}.btn-icon{border-radius:var(--radius-md);width:42px;height:42px;padding:0}.badge{padding:var(--spacing-xs)var(--spacing-sm);text-transform:uppercase;letter-spacing:.05em;border-radius:var(--radius-full);align-items:center;font-size:.75rem;font-weight:600;display:inline-flex}.badge-beginner{color:var(--accent-green);background:#22c55e33}.badge-intermediate{color:var(--accent-yellow);background:#eab30833}.badge-advanced{color:var(--accent-red);background:#ef444433}.badge-free{color:var(--accent-green);background:#22c55e26;border:1px solid #22c55e33}.badge-premium{color:var(--accent-purple);background:#8b5cf626;border:1px solid #8b5cf633}.badge-coming-soon{color:var(--text-muted);background:#6b6b7b4d}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}@keyframes pulse-glow{0%,to{box-shadow:0 0 20px #8b5cf64d}50%{box-shadow:0 0 40px #8b5cf680}}@keyframes slide-up{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}@keyframes fade-in{0%{opacity:0}to{opacity:1}}@keyframes scale-in{0%{opacity:0;transform:scale(.9)}to{opacity:1;transform:scale(1)}}.animate-float{animation:3s ease-in-out infinite float}.animate-pulse-glow{animation:2s ease-in-out infinite pulse-glow}.animate-slide-up{animation:.6s ease-out forwards slide-up}.animate-fade-in{animation:.4s ease-out forwards fade-in}.animate-scale-in{animation:.3s ease-out forwards scale-in}.stagger-1{animation-delay:.1s}.stagger-2{animation-delay:.2s}.stagger-3{animation-delay:.3s}.stagger-4{animation-delay:.4s}.stagger-5{animation-delay:.5s}.stagger-6{animation-delay:.6s}.input{width:100%;padding:var(--spacing-sm)var(--spacing-md);color:var(--text-primary);background:var(--bg-secondary);border:1px solid var(--border-subtle);border-radius:var(--radius-md);transition:all var(--transition-fast);outline:none;font-size:.95rem}.input:focus{border-color:var(--accent-purple);box-shadow:0 0 0 3px #8b5cf633}.input::placeholder{color:var(--text-muted)}.code-block{background:var(--bg-secondary);border:1px solid var(--border-subtle);border-radius:var(--radius-md);font-family:Fira Code,Monaco,Consolas,monospace;font-size:.875rem;overflow-x:auto}.code-line{padding:var(--spacing-xs)var(--spacing-md);gap:var(--spacing-md);display:flex}.code-line.highlight{border-left:3px solid var(--accent-purple);background:#8b5cf633}.line-number{color:var(--text-muted);-webkit-user-select:none;user-select:none;text-align:right;min-width:2rem}.line-content{color:var(--text-secondary)}.array-container{gap:var(--spacing-sm);padding:var(--spacing-lg);flex-wrap:wrap;justify-content:center;display:flex}.array-element{align-items:center;gap:var(--spacing-xs);flex-direction:column;display:flex}.array-box{background:var(--bg-tertiary);border:2px solid var(--border-medium);border-radius:var(--radius-md);width:60px;height:60px;transition:all var(--transition-normal);justify-content:center;align-items:center;font-size:1.25rem;font-weight:600;display:flex}.array-box.active{border-color:var(--accent-yellow);background:#eab30833;transform:scale(1.1);box-shadow:0 0 20px #eab30866}.array-box.found{border-color:var(--accent-green);background:#22c55e33;transform:scale(1.1);box-shadow:0 0 20px #22c55e66}.array-box.comparing{border-color:var(--accent-blue);background:#3b82f633;box-shadow:0 0 15px #3b82f666}.array-box.shifting{animation:.3s ease-out shift-right}.array-box.inserting{animation:.4s ease-out insert-pop}.array-box.deleting{animation:.3s ease-out forwards delete-fade}.array-index{color:var(--text-muted);font-size:.75rem;font-weight:500}@keyframes shift-right{0%{opacity:.5;transform:translate(-20px)}to{opacity:1;transform:translate(0)}}@keyframes insert-pop{0%{opacity:0;transform:scale(0)}50%{transform:scale(1.2)}to{opacity:1;transform:scale(1)}}@keyframes delete-fade{0%{opacity:1;transform:scale(1)}to{opacity:0;transform:scale(0)}}.controls-panel{gap:var(--spacing-md);padding:var(--spacing-lg);background:var(--bg-card);border-radius:var(--radius-lg);border:1px solid var(--border-subtle);flex-wrap:wrap;display:flex}.control-group{align-items:center;gap:var(--spacing-sm);display:flex}.control-label{color:var(--text-secondary);font-size:.875rem;font-weight:500}input[type=range]{appearance:none;background:var(--bg-tertiary);border-radius:var(--radius-full);outline:none;width:120px;height:6px}input[type=range]::-webkit-slider-thumb{appearance:none;background:var(--gradient-primary);cursor:pointer;width:18px;height:18px;transition:transform var(--transition-fast);border-radius:50%}input[type=range]::-webkit-slider-thumb:hover{transform:scale(1.2)}.status-message{padding:var(--spacing-md);background:var(--bg-secondary);border-radius:var(--radius-md);border-left:4px solid var(--accent-purple);color:var(--text-secondary);font-size:.95rem}.status-message.success{border-color:var(--accent-green)}.status-message.error{border-color:var(--accent-red)}@media (max-width:768px){.container{padding:0 var(--spacing-md)}.array-box{width:50px;height:50px;font-size:1rem}.controls-panel{flex-direction:column}}.site-header{z-index:1000;-webkit-backdrop-filter:blur(20px);border-bottom:1px solid var(--border-subtle);height:70px;transition:all var(--transition-normal);background:#0a0a0fb3;align-items:center;display:flex;position:sticky;top:0}.site-header.scrolled{border-bottom-color:var(--border-medium);background:#0a0a0fe6;box-shadow:0 4px 20px #0000001a}.site-footer{padding:var(--spacing-3xl)0 var(--spacing-xl);background:var(--bg-secondary);border-top:1px solid var(--border-subtle);margin-top:auto}.footer-content{justify-content:space-between;gap:var(--spacing-3xl);margin-bottom:var(--spacing-3xl);flex-wrap:wrap;display:flex}.footer-brand{max-width:300px}.footer-links{gap:var(--spacing-3xl);flex-wrap:wrap;display:flex}.footer-link-group{gap:var(--spacing-sm);flex-direction:column;display:flex}.footer-link-title{color:var(--text-primary);text-transform:uppercase;letter-spacing:.05em;margin-bottom:var(--spacing-sm);font-size:.9rem;font-weight:700}.footer-link{color:var(--text-secondary);transition:all var(--transition-fast);font-size:.9rem;text-decoration:none}.footer-link:hover{color:var(--accent-purple);transform:translate(4px)}.footer-bottom{padding-top:var(--spacing-lg);border-top:1px solid var(--border-subtle);text-align:center;color:var(--text-muted);font-size:.85rem}.footer-text{font-weight:500}.site-nav{justify-content:space-between;align-items:center;width:100%;display:flex}.site-logo{z-index:1002;align-items:center;gap:.5rem;font-size:1.5rem;font-weight:700;display:flex;position:relative}.site-logo .logo-icon{align-items:center;display:flex}.site-logo .logo-text-container{flex-direction:column;margin-left:.5rem;line-height:1;display:flex}.site-logo .logo-subtitle{text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted);margin-bottom:2px;font-size:.65rem;font-weight:600}.site-logo .logo-title{letter-spacing:-.02em;color:var(--text-primary);font-size:1.25rem;font-weight:800}.nav-links{flex:1;align-items:center;gap:2.5rem;margin-left:3rem;display:flex}.nav-link{color:var(--text-secondary);transition:all var(--transition-normal);padding:.5rem 0;font-size:.95rem;font-weight:500;text-decoration:none;position:relative}.nav-link:hover:not(.disabled),.nav-link.active{color:var(--text-primary)}.nav-link:after{content:"";background:var(--gradient-primary);width:0;height:2px;transition:width .3s;position:absolute;bottom:0;left:0}.nav-link:hover:not(.disabled):after,.nav-link.active:after{width:100%}.nav-link.disabled{opacity:.4;cursor:not-allowed;color:var(--text-muted)}.user-menu-container{margin-left:auto}.mobile-menu-toggle{cursor:pointer;z-index:1002;background:0 0;border:none;padding:.5rem;display:none}.hamburger{background:var(--text-primary);width:24px;height:2px;transition:all .3s ease-in-out;display:block;position:relative}.hamburger:before,.hamburger:after{content:"";background:var(--text-primary);width:24px;height:2px;transition:all .3s ease-in-out;position:absolute}.hamburger:before{top:-8px}.hamburger:after{top:8px}.hamburger.open{background:0 0}.hamburger.open:before{top:0;transform:rotate(45deg)}.hamburger.open:after{top:0;transform:rotate(-45deg)}.mobile-nav{background:var(--bg-secondary);border-left:1px solid var(--border-subtle);z-index:1001;flex-direction:column;width:300px;height:100vh;padding:80px 2rem 2rem;transition:transform .3s cubic-bezier(.4,0,.2,1);display:flex;position:fixed;top:0;right:0;transform:translate(100%)}.mobile-nav.open{transform:translate(0)}.mobile-nav-content{flex-direction:column;height:100%;display:flex}.mobile-links{flex-direction:column;gap:1.5rem;display:flex}.mobile-link{color:var(--text-secondary);justify-content:space-between;align-items:center;font-size:1.1rem;font-weight:600;transition:color .2s;display:flex}.mobile-link.active,.mobile-link:hover:not(.disabled){color:var(--text-primary)}.mobile-link.disabled{opacity:.5;font-size:1rem;font-weight:500}.badge-coming-soon-sm{color:var(--text-muted);text-transform:uppercase;background:#ffffff1a;border-radius:4px;padding:2px 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