:root{font-family:SF Pro Display,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;line-height:1.6;font-weight:400;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}html{scroll-behavior:smooth}body{margin:0;min-height:100vh;transition:background-color .3s ease,color .3s ease}#root{width:100%;min-height:100vh}button{border:none;background:none;font-family:inherit;cursor:pointer;outline:none}button:focus-visible{outline:2px solid currentColor;outline-offset:2px}a{text-decoration:none;color:inherit}.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}@media (prefers-reduced-motion: no-preference){html{scroll-behavior:smooth}}@media (prefers-contrast: high){*{border-color:currentColor!important}}:root{--primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);--secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);--success-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);--warning-gradient: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);--shadow: 0 10px 30px rgba(0, 0, 0, .2);--shadow-hover: 0 20px 40px rgba(0, 0, 0, .3);--border-radius: 16px;--transition: all .3s cubic-bezier(.4, 0, .2, 1)}.dark{--bg-primary: #0f0f23;--bg-secondary: #1a1a2e;--bg-card: #16213e;--text-primary: #ffffff;--text-secondary: #a0a0a0;--text-accent: #667eea;--border: rgba(255, 255, 255, .1);--glass-bg: rgba(255, 255, 255, .05);--glass-border: rgba(255, 255, 255, .1)}.light{--bg-primary: #f8fafc;--bg-secondary: #ffffff;--bg-card: #ffffff;--text-primary: #1a202c;--text-secondary: #4a5568;--text-accent: #5a67d8;--border: rgba(0, 0, 0, .1);--glass-bg: rgba(255, 255, 255, .25);--glass-border: rgba(255, 255, 255, .3)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:SF Pro Display,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg-primary);color:var(--text-primary);transition:var(--transition);overflow-x:hidden}.app{min-height:100vh;background:var(--bg-primary);position:relative}.app:before{content:"";position:fixed;inset:0;background:radial-gradient(circle at 20% 80%,rgba(120,119,198,.3) 0%,transparent 50%),radial-gradient(circle at 80% 20%,rgba(255,119,198,.3) 0%,transparent 50%);pointer-events:none;z-index:-1}.container{max-width:800px;margin:0 auto;padding:2rem;position:relative;z-index:1}.header{display:flex;justify-content:space-between;align-items:center;margin-bottom:3rem}.title{font-size:2.5rem;font-weight:700;margin:0}.gradient-text{background:var(--primary-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;animation:shimmer 3s ease-in-out infinite}@keyframes shimmer{0%,to{opacity:1}50%{opacity:.8}}.theme-toggle{background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:50%;width:50px;height:50px;display:flex;align-items:center;justify-content:center;font-size:1.2rem;cursor:pointer;transition:var(--transition);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.theme-toggle:hover{transform:scale(1.1);box-shadow:var(--shadow)}.counter-display{text-align:center;margin-bottom:3rem;padding:3rem;background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:var(--border-radius);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:var(--shadow)}.counter-value{font-size:6rem;font-weight:800;background:var(--primary-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:1rem;transition:var(--transition);transform-origin:center}.counter-value.animate{animation:bounce .3s ease-in-out}@keyframes bounce{0%,to{transform:scale(1)}50%{transform:scale(1.1)}}.counter-label{font-size:1.2rem;color:var(--text-secondary);font-weight:500}.button-group{display:flex;gap:1rem;margin-bottom:2rem;justify-content:center}.secondary-actions{display:flex;gap:1rem;margin-bottom:3rem;justify-content:center}.btn{padding:1rem 2rem;border:none;border-radius:var(--border-radius);font-size:1rem;font-weight:600;cursor:pointer;transition:var(--transition);display:flex;align-items:center;gap:.5rem;position:relative;overflow:hidden;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);min-width:120px;justify-content:center}.btn:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.2),transparent);transition:var(--transition)}.btn:hover:before{left:100%}.btn-increment{background:var(--success-gradient);color:#fff;box-shadow:var(--shadow)}.btn-decrement{background:var(--secondary-gradient);color:#fff;box-shadow:var(--shadow)}.btn-secondary{background:var(--glass-bg);border:1px solid var(--glass-border);color:var(--text-primary);box-shadow:var(--shadow)}.btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover)}.btn:active{transform:translateY(0)}.btn-icon{font-size:1.2rem;font-weight:800}.btn-text{font-size:.9rem}.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:1rem;margin-bottom:3rem}.stat-item{background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:var(--border-radius);padding:1.5rem;text-align:center;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:var(--shadow);transition:var(--transition)}.stat-item:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover)}.stat-value{font-size:2rem;font-weight:700;color:var(--text-accent);margin-bottom:.5rem}.stat-label{font-size:.9rem;color:var(--text-secondary);font-weight:500}.history{background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:var(--border-radius);padding:2rem;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:var(--shadow)}.history h3{font-size:1.5rem;margin-bottom:1rem;color:var(--text-primary);font-weight:600}.history-list{display:flex;gap:.5rem;flex-wrap:wrap}.history-item{background:var(--primary-gradient);color:#fff;padding:.5rem 1rem;border-radius:20px;font-size:.9rem;font-weight:600;box-shadow:0 4px 15px #0000001a;animation:slideIn .3s ease-out}@keyframes slideIn{0%{opacity:0;transform:translate(-20px)}to{opacity:1;transform:translate(0)}}@media (max-width: 768px){.container{padding:1rem}.title{font-size:2rem}.counter-value{font-size:4rem}.button-group,.secondary-actions{flex-direction:column;gap:1rem}.stats{grid-template-columns:1fr}.btn{padding:1rem;font-size:.9rem}}@media (max-width: 480px){.counter-value{font-size:3rem}.title{font-size:1.5rem}.counter-display{padding:2rem}}@media (prefers-reduced-motion: reduce){*{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}.btn:focus,.theme-toggle:focus{outline:2px solid var(--text-accent);outline-offset:2px}@media (prefers-contrast: high){:root{--shadow: 0 2px 4px rgba(0, 0, 0, .5);--shadow-hover: 0 4px 8px rgba(0, 0, 0, .6)}}