:root{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;line-height:1.5;font-weight:400;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{margin:0;min-width:320px;min-height:100vh;overflow-x:hidden}#root{min-height:100vh;width:100%}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:linear-gradient(135deg,#667eea,#764ba2);min-height:100vh;color:#333}#root{min-height:100vh;display:flex;flex-direction:column}.app{min-height:100vh;display:flex;flex-direction:column;background:linear-gradient(135deg,#667eea,#764ba2);position:relative;overflow-x:hidden}.app:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 20% 80%,rgba(120,119,198,.3) 0%,transparent 50%),radial-gradient(circle at 80% 20%,rgba(255,255,255,.1) 0%,transparent 50%),radial-gradient(circle at 40% 40%,rgba(120,119,198,.2) 0%,transparent 50%);pointer-events:none}.hero-section{padding:4rem 2rem;text-align:center;position:relative;z-index:1}.hero-content{max-width:800px;margin:0 auto}.hero-title{font-size:3.5rem;font-weight:800;line-height:1.1;margin-bottom:1.5rem;color:#fff;text-shadow:0 4px 20px rgba(0,0,0,.3)}.gradient-text{background:linear-gradient(135deg,#ff6b6b,#4ecdc4,#45b7d1,#96ceb4);background-size:300% 300%;-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;animation:gradientShift 4s ease-in-out infinite}@keyframes gradientShift{0%,to{background-position:0% 50%}50%{background-position:100% 50%}}.hero-subtitle{font-size:1.25rem;color:#ffffffe6;margin-bottom:2rem;font-weight:400;line-height:1.6}.main-content{flex:1;padding:2rem 2rem 4rem;display:flex;flex-direction:column;align-items:center;gap:3rem;position:relative;z-index:1;min-height:0;justify-content:flex-start}.main-content.compact{gap:2rem;padding:1.5rem 2rem 4rem;justify-content:center}.countdown-container{background:#ffffff1a;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:1px solid rgba(255,255,255,.2);border-radius:24px;padding:2.5rem;text-align:center;box-shadow:0 20px 40px #0000001a;animation:float 6s ease-in-out infinite}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}.countdown-title{font-size:1.5rem;color:#fff;margin-bottom:2rem;font-weight:600}.countdown-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.5rem;max-width:500px;margin:0 auto}.countdown-item{background:#ffffff26;border-radius:16px;padding:1.5rem 1rem;border:1px solid rgba(255,255,255,.2);transition:transform .3s ease,box-shadow .3s ease}.countdown-item:hover{transform:translateY(-5px);box-shadow:0 10px 30px #0003}.countdown-number{font-size:2.5rem;font-weight:800;color:#fff;line-height:1;margin-bottom:.5rem}.countdown-label{font-size:.9rem;color:#fffc;font-weight:500;text-transform:uppercase;letter-spacing:.5px}.progress-section{width:100%;max-width:500px;display:flex;justify-content:center}.progress-container{background:#ffffff1a;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:1px solid rgba(255,255,255,.2);border-radius:20px;padding:1.5rem;text-align:center;box-shadow:0 15px 35px #0000001a;width:100%}.progress-bar{width:100%;height:8px;background:#fff3;border-radius:4px;overflow:hidden;margin-bottom:1rem;position:relative}.progress-fill{height:100%;background:linear-gradient(90deg,#4ecdc4,#44a08d,#96ceb4);border-radius:4px;transition:width .1s ease;position:relative;overflow:hidden}.progress-fill:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,transparent,rgba(255,255,255,.3),transparent);animation:shimmer 2s infinite}@keyframes shimmer{0%{transform:translate(-100%)}to{transform:translate(100%)}}.progress-text{color:#fff;font-size:1.1rem;font-weight:600;text-shadow:0 2px 4px rgba(0,0,0,.3)}.upload-section{width:100%;max-width:600px;margin-bottom:2rem}.file-upload-container{display:flex;flex-direction:column;gap:1.5rem}.file-upload-area{background:#ffffff1a;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:2px dashed rgba(255,255,255,.3);border-radius:20px;padding:3rem 2rem;text-align:center;cursor:pointer;transition:all .3s ease;position:relative;overflow:hidden}.file-upload-area:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.1),transparent);transition:left .5s ease}.file-upload-area:hover:before{left:100%}.file-upload-area:hover,.file-upload-area.drag-over{border-color:#fff9;background:#ffffff26;transform:translateY(-2px);box-shadow:0 15px 35px #0000001a}.file-upload-area.file-selected{border-color:#4ecdc4;background:#4ecdc41a}.file-upload-content,.file-selected-content{position:relative;z-index:1}.upload-icon,.file-icon{font-size:3rem;margin-bottom:1rem;display:block}.upload-text h3{color:#fff;font-size:1.5rem;margin-bottom:.5rem;font-weight:600}.upload-text p{color:#fffc;font-size:1rem}.file-selected-content{color:#fff}.file-name{font-size:1.2rem;font-weight:600;margin-bottom:.5rem}.file-size{color:#ffffffb3;font-size:.9rem}.submit-button{background:linear-gradient(135deg,#4ecdc4,#44a08d);color:#fff;border:none;padding:1rem 2rem;border-radius:12px;font-size:1.1rem;font-weight:600;cursor:pointer;transition:all .3s ease;box-shadow:0 8px 25px #4ecdc44d;align-self:center;min-width:200px}.submit-button:hover{transform:translateY(-2px);box-shadow:0 12px 35px #4ecdc466}.message-container{width:100%;max-width:600px;animation:slideUp .6s ease-out;margin-top:2rem;margin-bottom:2rem}@keyframes slideUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.message-content{background:#fffffff2;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-radius:20px;padding:2.5rem;text-align:center;box-shadow:0 20px 40px #0000001a;border:1px solid rgba(255,255,255,.2)}.message-icon{font-size:3rem;margin-bottom:1.5rem;animation:bounce 2s infinite}@keyframes bounce{0%,20%,50%,80%,to{transform:translateY(0)}40%{transform:translateY(-10px)}60%{transform:translateY(-5px)}}.message-content h3{color:#333;font-size:1.8rem;margin-bottom:1rem;font-weight:700}.message-content p{color:#666;font-size:1.1rem;line-height:1.6;margin-bottom:2rem}.message-features{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem;margin-top:2rem}.feature-item{background:linear-gradient(135deg,#f8f9fa,#e9ecef);padding:1rem;border-radius:12px;font-weight:500;color:#495057;border:1px solid rgba(0,0,0,.05)}.footer{padding:2rem;text-align:center;color:#fffc;font-size:.9rem;position:relative;z-index:1;margin-top:auto;flex-shrink:0}@media(max-width:768px){.hero-title{font-size:2.5rem}.countdown-grid{grid-template-columns:repeat(2,1fr);gap:1rem}.countdown-item{padding:1rem .5rem}.countdown-number{font-size:2rem}.message-features{grid-template-columns:1fr}.main-content{padding:1rem;gap:2rem}}@media(max-width:480px){.hero-title{font-size:2rem}.countdown-grid{grid-template-columns:1fr}.file-upload-area{padding:2rem 1rem}}