:root{--bg: #000000;--fg: #ffffff;--fg-muted: #666666;--accent: #00d4ff;--accent-dim: #00d4ff15;--accent-hover: #00eaff;--border: #1a1a1a;--error: #ff4444;--success: #00ff88;--radius: 12px;--radius-sm: 8px;--transition: .2s ease}*{margin:0;padding:0;box-sizing:border-box}html,body,#root{height:100vh;width:100%;overflow-x:hidden}body{font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;background:var(--bg);color:var(--fg);display:flex;align-items:center;justify-content:center}code,pre,kbd{font-family:JetBrains Mono,monospace}a{color:var(--accent);text-decoration:none;transition:color var(--transition)}a:hover{color:var(--accent-hover)}button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}input[type=file]{display:none}.container{width:100%;max-width:480px;margin:0 auto;padding:48px 32px;display:flex;flex-direction:column;gap:32px}header{text-align:center;margin-bottom:8px}.logo{font-family:JetBrains Mono,monospace;font-size:32px;font-weight:600;letter-spacing:-.5px}.logo .root{color:var(--fg)}.logo .share{color:var(--fg-muted)}.tagline{color:var(--fg-muted);font-size:14px;margin-top:8px}.dropzone{border:2px dashed var(--border);border-radius:var(--radius);padding:56px 32px;text-align:center;background:transparent;cursor:pointer;transition:all var(--transition)}.dropzone:hover,.dropzone.active{border-color:var(--accent);background:var(--accent-dim)}.dropzone.uploading{border-color:var(--accent);border-style:solid;background:var(--accent-dim);cursor:default;animation:pulse 2s ease-in-out infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.7}}.dropzone-icon{width:48px;height:48px;margin:0 auto 16px;color:var(--fg-muted);transition:all var(--transition)}.dropzone:hover .dropzone-icon,.dropzone.active .dropzone-icon{color:var(--accent);transform:translateY(-4px)}.dropzone-text{font-size:15px;color:var(--fg-muted);margin-bottom:8px}.dropzone-text strong{color:var(--fg);font-weight:500}.dropzone-hint{font-size:12px;color:#444}.file-info{display:flex;align-items:center;gap:16px;padding:16px;background:#0a0a0a;border-radius:var(--radius);border:1px solid var(--border);animation:slideUp .3s ease}@keyframes slideUp{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}.file-icon{width:40px;height:40px;color:var(--accent);flex-shrink:0}.file-details{flex:1;min-width:0}.file-name{font-size:14px;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.file-size{font-size:12px;color:var(--fg-muted);margin-top:2px}.progress-container{width:100%;height:4px;background:var(--border);border-radius:2px;overflow:hidden;margin-top:10px}.progress-bar{height:100%;background:var(--accent);border-radius:2px;transition:width .3s cubic-bezier(.4,0,.2,1);position:relative}.progress-bar:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(90deg,transparent,rgba(255,255,255,.4),transparent);animation:shimmer 1.5s infinite}@keyframes shimmer{0%{transform:translate(-100%)}to{transform:translate(100%)}}.progress-text{font-size:12px;color:var(--fg-muted);margin-top:8px;font-family:JetBrains Mono,monospace}.upload-status{display:flex;align-items:center;gap:12px;padding:14px 16px;background:#0a0a0a;border-radius:var(--radius);border:1px solid var(--border);font-size:13px;animation:fadeIn .3s ease}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.upload-status.uploading{border-color:var(--accent);background:var(--accent-dim)}.upload-status.complete{border-color:var(--success)}.upload-status.seeding{border-color:#a855f7;background:#a855f710}.upload-status.seeding svg{color:#a855f7;animation:spin 1.5s linear infinite}.upload-status.error{border-color:var(--error)}.status-icon{width:18px;height:18px;flex-shrink:0}.status-icon.uploading{color:var(--accent);animation:spin 1s linear infinite}.status-icon.complete{color:var(--success)}.status-icon.error{color:var(--error)}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.share-section{display:flex;flex-direction:column;gap:16px;padding:24px;background:#0a0a0a;border-radius:var(--radius);border:1px solid var(--border);animation:fadeIn .3s ease}.share-url{display:flex;align-items:center;gap:12px}.share-url input{flex:1;background:#000;border:1px solid var(--border);border-radius:var(--radius-sm);padding:14px 16px;font-family:JetBrains Mono,monospace;font-size:13px;color:var(--fg);transition:border-color var(--transition)}.share-url input:focus{border-color:var(--accent);outline:none}.copy-btn{display:flex;align-items:center;justify-content:center;width:48px;height:48px;border-radius:var(--radius-sm);background:var(--accent);color:#000;transition:all var(--transition)}.copy-btn:hover{background:var(--accent-hover);transform:scale(1.05)}.copy-btn.copied{background:var(--success)}.copy-btn svg{width:20px;height:20px}.expiry{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--fg-muted);margin-top:4px}.expiry-icon{width:14px;height:14px}.download-page{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;padding:32px;text-align:center}.download-card{width:100%;max-width:480px;padding:48px 32px;background:#0a0a0a;border-radius:var(--radius);border:1px solid var(--border);animation:fadeInScale .4s ease}@keyframes fadeInScale{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}.download-icon{width:64px;height:64px;margin:0 auto 24px;color:var(--accent);animation:bounceIn .5s ease}@keyframes bounceIn{0%{opacity:0;transform:scale(.5)}60%{transform:scale(1.1)}to{opacity:1;transform:scale(1)}}.download-filename{font-size:18px;font-weight:500;margin-bottom:8px;word-break:break-word}.download-filesize{font-size:14px;color:var(--fg-muted);margin-bottom:24px}.download-btn{width:100%;display:flex;align-items:center;justify-content:center;gap:10px;padding:16px 24px;background:var(--accent);color:#000;font-size:15px;font-weight:600;border-radius:var(--radius-sm);transition:all var(--transition)}.download-btn:hover{background:var(--accent-hover);transform:translateY(-2px)}.download-btn:active{transform:translateY(0)}.download-btn:disabled{opacity:.5;cursor:not-allowed;transform:none}.download-info{margin-top:24px;padding-top:24px;border-top:1px solid var(--border);font-size:12px;color:var(--fg-muted)}.download-info p{margin:4px 0}.error-state{text-align:center;padding:48px 24px}.error-icon{width:64px;height:64px;margin:0 auto 16px}.error-title{font-size:20px;font-weight:600;margin-bottom:8px}.error-message{color:var(--fg-muted);font-size:14px;margin-bottom:24px}.home-link{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;background:transparent;border:1px solid var(--border);border-radius:var(--radius-sm);font-size:14px;font-weight:500;transition:all var(--transition)}.home-link:hover{border-color:var(--accent);color:var(--accent)}footer{margin-top:auto;padding:24px;text-align:center;color:#333;font-size:12px}.toast{position:fixed;bottom:24px;right:24px;display:flex;align-items:center;gap:12px;padding:14px 20px;background:#0a0a0a;border:1px solid var(--border);border-radius:var(--radius);font-size:13px;z-index:1000;animation:slideIn .3s ease}@keyframes slideIn{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}.toast.success{border-color:var(--success)}.toast.error{border-color:var(--error)}.toast-icon{width:18px;height:18px;flex-shrink:0}@media (max-width: 480px){.container,.download-card{padding:32px 16px}}