:root{--bg-color:#0f172a;--text-color:#f8fafc;--accent-color:#3b82f6;--accent-hover:#2563eb;--glass-bg:#1e293b99;--glass-border:#ffffff1a;--drag-active:#3b82f633;--dropzone-border:#94a3b866}body{background-color:var(--bg-color);color:var(--text-color);justify-content:center;align-items:center;min-height:100vh;margin:0;font-family:Inter,-apple-system,sans-serif;display:flex;position:relative}.bg-shape{filter:blur(80px);z-index:0;border-radius:50%;position:absolute}.bg-shape-1{background:radial-gradient(circle,#3b82f6,#8b5cf6);width:500px;height:400px;top:-100px;left:-100px}.bg-shape-2{background:radial-gradient(circle,#ec4899,#f43f5e);width:600px;height:500px;bottom:-150px;right:-100px}.container{z-index:10;width:100%;max-width:700px;padding:20px;position:relative}.glass-card{background:var(--glass-bg);-webkit-backdrop-filter:blur(16px);border:1px solid var(--glass-border);text-align:center;border-radius:24px;padding:40px;transition:transform .3s cubic-bezier(.175,.885,.32,1.275);box-shadow:0 25px 50px -12px #00000080}header h1{background:linear-gradient(90deg,#60a5fa,#c084fc);-webkit-text-fill-color:transparent;-webkit-background-clip:text;margin:0 0 10px;font-size:2rem;font-weight:700}header p{color:#cbd5e1;margin-bottom:30px;font-size:1rem;line-height:1.5}.dropzone{border:2px dashed var(--dropzone-border);cursor:pointer;background:#0f172a4d;border-radius:16px;padding:40px 20px;transition:all .3s;position:relative}.dropzone:hover{border-color:var(--accent-color);background:var(--drag-active)}.dropzone.dragover{background:#10b9811a;border-color:#10b981;transform:scale(1.02)}.dropzone input[type=file]{opacity:0;cursor:pointer;width:100%;height:100%;position:absolute;top:0;left:0}.icon-container{box-sizing:border-box;width:64px;height:64px;color:var(--accent-color);background:#ffffff0d;border-radius:50%;justify-content:center;align-items:center;margin:0 auto 16px;padding:16px;transition:transform .3s,color .3s;display:flex}.dropzone:hover .icon-container{color:#c084fc;transform:translateY(-5px)}.upload-icon{width:32px;height:32px}.dropzone h3{margin:0 0 8px;font-size:1.25rem;font-weight:600}.dropzone p{color:#94a3b8;margin:0;font-size:.875rem}.status-area{opacity:1;flex-direction:column;align-items:center;margin-top:30px;transition:opacity .3s;display:flex}.status-area.hidden{opacity:0;pointer-events:none;height:0;margin:0;overflow:hidden}.spinner{border:4px solid #ffffff1a;border-top-color:var(--accent-color);border-radius:50%;width:40px;height:40px;margin-bottom:16px;animation:1s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.status-text{color:#e2e8f0;font-size:1rem;font-weight:500}