:root{--primary-gradient: linear-gradient(135deg, hsl(240, 75%, 65%), hsl(280, 70%, 60%));--secondary-gradient: linear-gradient(135deg, hsl(190, 75%, 55%), hsl(210, 80%, 60%));--primary-color: hsl(240, 75%, 65%);--primary-hover: hsl(240, 75%, 55%);--secondary-color: hsl(190, 75%, 55%);--accent-color: hsl(280, 70%, 60%);--success-color: #10b981;--error-color: #ef4444;--warning-color: #f59e0b;--bg-gradient: linear-gradient(135deg, #f0f4ff 0%, #e8f0ff 100%);--bg-primary: rgba(255, 255, 255, .9);--bg-secondary: rgba(249, 250, 251, .8);--bg-glass: rgba(255, 255, 255, .7);--border-color: rgba(229, 231, 235, .8);--text-primary: #0f172a;--text-secondary: #64748b;--shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, .05);--shadow-md: 0 8px 16px -4px rgba(0, 0, 0, .1), 0 4px 8px -2px rgba(0, 0, 0, .05);--shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, .1), 0 10px 10px -5px rgba(0, 0, 0, .04);--shadow-glow: 0 0 40px rgba(99, 102, 241, .3)}.dark{--bg-gradient: linear-gradient(135deg, #0a0e1a 0%, #1a1f35 100%);--bg-primary: rgba(30, 41, 59, .8);--bg-secondary: rgba(15, 23, 42, .9);--bg-glass: rgba(51, 65, 85, .3);--border-color: rgba(71, 85, 105, .5);--text-primary: #f1f5f9;--text-secondary: #94a3b8;--shadow-md: 0 8px 16px -4px rgba(0, 0, 0, .4), 0 4px 8px -2px rgba(0, 0, 0, .2);--shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, .5), 0 10px 10px -5px rgba(0, 0, 0, .3);--shadow-glow: 0 0 60px rgba(139, 92, 246, .4)}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:var(--bg-gradient);background-attachment:fixed;color:var(--text-primary);min-height:100vh;transition:background .3s ease,color .3s ease}.app{min-height:100vh;padding:2rem;position:relative;overflow-x:hidden}.app:before{content:"";position:fixed;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(circle at 20% 50%,rgba(99,102,241,.1) 0%,transparent 50%),radial-gradient(circle at 80% 80%,rgba(168,85,247,.1) 0%,transparent 50%),radial-gradient(circle at 40% 20%,rgba(59,130,246,.1) 0%,transparent 50%);animation:backgroundFloat 20s ease-in-out infinite;pointer-events:none;z-index:0}@keyframes backgroundFloat{0%,to{transform:translate(0) rotate(0)}33%{transform:translate(30px,-30px) rotate(120deg)}66%{transform:translate(-20px,20px) rotate(240deg)}}.container{max-width:1200px;margin:0 auto;position:relative;z-index:1}.header{text-align:center;margin-bottom:3rem;animation:fadeInDown .8s ease-out}@keyframes fadeInDown{0%{opacity:0;transform:translateY(-30px)}to{opacity:1;transform:translateY(0)}}.header h1{font-size:clamp(2rem,5vw,3rem);font-weight:700;background:var(--primary-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:.75rem;line-height:1.2;animation:gradientShift 3s ease infinite;background-size:200% 200%}@keyframes gradientShift{0%,to{background-position:0% 50%}50%{background-position:100% 50%}}.header p{font-size:1.125rem;color:var(--text-secondary);max-width:600px;margin:0 auto;line-height:1.6}.badge{display:inline-flex;align-items:center;gap:.25rem;padding:.375rem .875rem;border-radius:9999px;font-size:.875rem;font-weight:600;margin-left:.75rem;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);transition:all .3s cubic-bezier(.4,0,.2,1);animation:fadeIn 1s ease-out .3s both}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.badge.success{background:linear-gradient(135deg,#10b98126,#05966926);color:var(--success-color);border:1px solid rgba(16,185,129,.3);box-shadow:0 0 20px #10b98133}.badge.error{background:linear-gradient(135deg,#ef444426,#dc262626);color:var(--error-color);border:1px solid rgba(239,68,68,.3)}.card{background:var(--bg-glass);backdrop-filter:blur(20px) saturate(180%);-webkit-backdrop-filter:blur(20px) saturate(180%);border:1px solid var(--border-color);border-radius:1.5rem;padding:2rem;box-shadow:var(--shadow-lg);margin-bottom:1.5rem;transition:all .4s cubic-bezier(.4,0,.2,1);animation:fadeInUp .8s ease-out both;position:relative;overflow:hidden}@keyframes fadeInUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.card:before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--primary-gradient);transform:scaleX(0);transform-origin:left;transition:transform .6s cubic-bezier(.4,0,.2,1)}.card:hover:before{transform:scaleX(1)}.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-glow),var(--shadow-lg);border-color:#6366f14d}.input-section{margin-bottom:2rem}.input-section label{display:block;font-weight:600;margin-bottom:.75rem;color:var(--text-primary);font-size:1rem}.textarea{width:100%;padding:1.25rem;border:2px solid var(--border-color);border-radius:1rem;font-size:1rem;font-family:inherit;resize:vertical;min-height:180px;background:var(--bg-primary);color:var(--text-primary);transition:all .3s cubic-bezier(.4,0,.2,1);line-height:1.6}.textarea:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px #6366f11a,var(--shadow-md);transform:translateY(-2px)}.textarea::placeholder{color:var(--text-secondary);opacity:.6}.button{display:inline-flex;align-items:center;justify-content:center;padding:.875rem 2rem;font-size:1rem;font-weight:600;color:#fff;background:var(--primary-gradient);border:none;border-radius:.75rem;cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1);gap:.5rem;position:relative;overflow:hidden;box-shadow:var(--shadow-md)}.button:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.3),transparent);transition:left .5s}.button:hover:before{left:100%}.button:hover:not(:disabled){transform:translateY(-2px) scale(1.02);box-shadow:var(--shadow-lg),0 0 30px #6366f166}.button:active:not(:disabled){transform:translateY(0) scale(.98)}.button:disabled{opacity:.6;cursor:not-allowed;transform:none}.button-group{display:flex;gap:1rem;margin-top:1.5rem;flex-wrap:wrap}.loading-spinner{border:3px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;width:20px;height:20px;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.alert{padding:1.25rem;border-radius:1rem;margin-bottom:1.5rem;border:1px solid;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);animation:slideInRight .5s cubic-bezier(.4,0,.2,1);box-shadow:var(--shadow-md);position:relative;overflow:hidden}@keyframes slideInRight{0%{opacity:0;transform:translate(100px)}to{opacity:1;transform:translate(0)}}.alert.error{background:linear-gradient(135deg,#ef44441a,#dc26260d);border-color:var(--error-color);color:var(--error-color)}.alert.success{background:linear-gradient(135deg,#10b9811a,#0596690d);border-color:var(--success-color);color:var(--success-color)}.response-section{margin-top:2rem;animation:fadeInUp .8s ease-out .2s both}.response-section h3{font-size:1.5rem;font-weight:700;margin-bottom:1.5rem;color:var(--text-primary);display:flex;align-items:center;gap:.5rem}.response-section h3:before{content:"";width:4px;height:1.5rem;background:var(--primary-gradient);border-radius:2px}.json-viewer{background:var(--bg-secondary);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid var(--border-color);border-radius:1rem;padding:1.5rem;overflow-x:auto;font-family:Fira Code,Consolas,monospace;font-size:.875rem;line-height:1.6;max-height:600px;overflow-y:auto}.json-viewer::-webkit-scrollbar{width:8px;height:8px}.json-viewer::-webkit-scrollbar-track{background:var(--bg-primary);border-radius:4px}.json-viewer::-webkit-scrollbar-thumb{background:var(--primary-color);border-radius:4px}.json-viewer::-webkit-scrollbar-thumb:hover{background:var(--primary-hover)}.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1.5rem;margin-top:1.5rem}.stat-item{background:var(--bg-glass);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid var(--border-color);border-radius:1rem;padding:1.25rem;transition:all .3s cubic-bezier(.4,0,.2,1)}.stat-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#6366f14d}.stat-label{font-size:.875rem;color:var(--text-secondary);margin-bottom:.5rem;font-weight:500;text-transform:uppercase;letter-spacing:.05em}.stat-value{font-size:1.75rem;font-weight:700;color:var(--text-primary);display:flex;align-items:center;gap:.5rem}.theme-toggle{position:fixed;top:1.5rem;right:1.5rem;width:3rem;height:3rem;display:flex;align-items:center;justify-content:center;background:var(--bg-glass);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:1px solid var(--border-color);border-radius:50%;cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1);box-shadow:var(--shadow-md);z-index:1000;font-size:1.25rem}.theme-toggle:hover{transform:rotate(180deg) scale(1.1);box-shadow:var(--shadow-lg),0 0 20px #6366f14d;border-color:var(--primary-color)}.theme-toggle:active{transform:rotate(180deg) scale(.95)}@media (max-width: 768px){.app{padding:1rem}.header h1{font-size:2rem}.header p{font-size:1rem}.card{padding:1.5rem;border-radius:1rem}.button-group{flex-direction:column}.button{width:100%}.stats{grid-template-columns:1fr}.theme-toggle{top:1rem;right:1rem;width:2.5rem;height:2.5rem}}.pulse{animation:pulse 2s cubic-bezier(.4,0,.6,1) infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.8}}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}:focus-visible{outline:2px solid var(--primary-color);outline-offset:2px;border-radius:.25rem}