body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:linear-gradient(to right,#1fa2ff,#12d8fa,#a6ffcb);color:#fff}:root{--primary-gradient: linear-gradient(90deg, #8b5cf6, #ec4899);--primary-color: #8b5cf6;--secondary-color: #ec4899;--bg-dark: #0f172a;--card-bg: rgba(30, 41, 59, .8);--text-light: #f8fafc;--text-muted: #94a3b8;--border-radius: 12px;--box-shadow: 0 10px 25px -5px rgba(0, 0, 0, .1), 0 10px 10px -5px rgba(0, 0, 0, .04)}*{margin:0;padding:0;box-sizing:border-box;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,sans-serif}body{margin:0;background-color:var(--bg-dark);color:var(--text-light);min-height:100vh;background-image:radial-gradient(at 0% 0%,rgba(124,58,237,.2) 0px,transparent 50%),radial-gradient(at 100% 0%,rgba(236,72,153,.2) 0px,transparent 50%);overflow-x:hidden}.app{min-height:100vh;display:flex;flex-direction:column;padding:2rem;position:relative}.container{flex:1;display:flex;flex-direction:column;justify-content:center;width:100%;max-width:600px;margin:0 auto;padding-bottom:4rem}.container{width:100%;max-width:600px;text-align:center}.title{background:var(--primary-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;font-size:3rem;font-weight:800;margin-bottom:1rem;letter-spacing:-.5px}.subtitle{color:var(--text-muted);font-size:1.125rem;margin-bottom:2.5rem;line-height:1.6}.card{background:var(--card-bg);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.05);border-radius:var(--border-radius);padding:2.5rem;margin-bottom:2rem;box-shadow:var(--box-shadow);transition:all .3s ease;position:relative;overflow:hidden}.card:before{content:"";position:absolute;inset:-2px;background:var(--primary-gradient);z-index:-1;opacity:0;border-radius:calc(var(--border-radius) + 2px);transition:opacity .3s ease}.card:hover{box-shadow:0 0 20px #8b5cf680}.card:hover:before{opacity:.3}.url-form{display:flex;flex-direction:column;gap:1.5rem}.input-group{position:relative;width:100%}.input-icon{position:absolute;left:1rem;top:50%;transform:translateY(-50%);color:var(--text-muted);font-size:1.25rem}.url-input{width:100%;padding:1rem 1rem 1rem 3rem;font-size:1rem;color:var(--text-light);background:#0f172ab3;border:1px solid rgba(255,255,255,.1);border-radius:var(--border-radius);outline:none;transition:border-color .3s ease,box-shadow .3s ease}.url-input:focus{border-color:var(--primary-color);box-shadow:0 0 0 3px #8b5cf64d}.url-input::placeholder{color:var(--text-muted);opacity:.7}.submit-btn{background:var(--primary-gradient);color:#fff;border:none;padding:1rem 2rem;font-size:1rem;font-weight:600;border-radius:var(--border-radius);cursor:pointer;transition:transform .2s ease,box-shadow .2s ease;text-transform:uppercase;letter-spacing:.5px}.submit-btn:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 5px 15px #8b5cf64d}.submit-btn:disabled{background:#4b5563;cursor:not-allowed;transform:none!important;box-shadow:none!important}.result-container{margin-top:1.5rem;padding:1.5rem;background:#0f172a80;border-radius:var(--border-radius);border:1px dashed rgba(255,255,255,.1);cursor:pointer;transition:all .3s ease}.result-container:hover{background:#0f172ab3;border-color:var(--primary-color)}.result-label{color:var(--text-muted);font-size:.875rem;margin-bottom:.5rem}.short-url{color:var(--primary-color);text-decoration:none;font-weight:500;word-break:break-all;transition:color .2s ease}.short-url:hover{color:#a78bfa;text-decoration:underline}.error-message{color:#f87171;font-size:.875rem;margin-top:.5rem;text-align:left}.footer{color:var(--text-muted);font-size:.9rem;text-align:center;padding:1.5rem;width:100%;background:#0f172a4d;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);border-radius:12px;border:1px solid rgba(255,255,255,.05);max-width:600px;margin:2rem auto 0;transition:all .3s ease;position:absolute;bottom:2rem;left:50%;transform:translate(-50%);box-sizing:border-box}.footer:before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:var(--primary-gradient);transform:scaleX(0);transform-origin:left;transition:transform .5s ease}.footer:hover{border-color:#8b5cf64d;box-shadow:0 5px 15px #8b5cf61a}.footer span{display:inline-block;position:relative;color:var(--primary-color);font-weight:500}.footer span:after{content:"🤖";margin-left:6px;display:inline-block;animation:float 3s ease-in-out infinite}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-5px)}}@media (max-width: 640px){.app{padding:1.5rem}.title{font-size:2.25rem}.card{padding:1.5rem}.submit-btn{width:100%}}