:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media (prefers-color-scheme: light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}:root{--bg-primary: #0f0f0f;--bg-secondary: #1a1a1a;--bg-tertiary: #252525;--bg-card: #1e1e1e;--bg-hover: #2a2a2a;--text-primary: #e0e0e0;--text-secondary: #b0b0b0;--text-tertiary: #808080;--accent-primary: #667eea;--accent-secondary: #764ba2;--accent-hover: #5a6fd8;--success: #28a745;--success-hover: #218838;--error: #dc3545;--warning: #ffc107;--border-color: #333333;--border-hover: #444444;--shadow-light: 0 2px 10px rgba(0,0,0,.3);--shadow-medium: 0 4px 20px rgba(0,0,0,.4);--shadow-heavy: 0 8px 40px rgba(0,0,0,.5);--gradient-primary: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);--gradient-secondary: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);--gradient-success: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%)}html,body{width:100%;overflow-x:hidden}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica 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#667eea1a}.upload-area:hover:before{left:100%}.file-input{display:none}.upload-label{display:inline-block;padding:1rem 2rem;background:var(--gradient-primary);color:#fff;border-radius:8px;cursor:pointer;font-weight:600;transition:all .3s ease;box-shadow:0 4px 15px #667eea4d;position:relative;z-index:1}.upload-label:hover{transform:translateY(-2px);box-shadow:0 6px 20px #667eea66}.upload-result{margin-top:1.5rem;padding:1.5rem;background:linear-gradient(135deg,var(--bg-secondary) 0%,var(--bg-tertiary) 100%);border-radius:12px;border:1px solid var(--border-color);box-shadow:var(--shadow-light)}.upload-result h3{color:var(--accent-primary);margin-bottom:1rem;font-size:1.2rem}.upload-result p{margin-bottom:.5rem;color:var(--text-secondary);word-break:break-all}.upload-result strong{color:var(--text-primary);font-weight:600}.copy-button{background:var(--gradient-success);color:#fff;border:none;padding:.75rem 1.5rem;border-radius:8px;cursor:pointer;font-weight:600;margin-top:1rem;transition:all .3s ease;box-shadow:0 4px 15px #28a7454d}.copy-button:hover{transform:translateY(-2px);box-shadow:0 6px 20px #28a74566}.download-form{display:flex;gap:1rem;margin-bottom:1.5rem;flex-wrap:wrap}.download-input{flex:1;min-width:250px;padding:1rem;border:2px solid var(--border-color);border-radius:8px;font-size:1rem;background:var(--bg-secondary);color:var(--text-primary);transition:all .3s ease}.download-input:focus{outline:none;border-color:var(--accent-primary);box-shadow:0 0 0 3px #667eea1a}.download-button{background:var(--gradient-success);color:#fff;border:none;padding:1rem 2rem;border-radius:8px;cursor:pointer;font-weight:600;font-size:1rem;transition:all .3s ease;box-shadow:0 4px 15px #28a7454d;white-space:nowrap}.download-button:hover{transform:translateY(-2px);box-shadow:0 6px 20px #28a74566}.download-info{padding:1.5rem;background:linear-gradient(135deg,var(--bg-secondary) 0%,var(--bg-tertiary) 100%);border-radius:12px;border:1px solid var(--border-color);box-shadow:var(--shadow-light)}.download-info h3{color:var(--success);margin-bottom:1rem;font-size:1.2rem}.download-info p{margin-bottom:.5rem;color:var(--text-secondary)}.files-list{display:flex;flex-direction:column;gap:.75rem}.file-item{display:flex;justify-content:space-between;align-items:center;padding:1rem;background:linear-gradient(135deg,var(--bg-secondary) 0%,var(--bg-tertiary) 100%);border-radius:12px;transition:all .3s ease;flex-wrap:wrap;gap:1rem;border:1px solid var(--border-color)}.file-item:hover{background:var(--bg-hover);box-shadow:var(--shadow-light);transform:translateY(-1px)}.file-info{display:flex;flex-direction:column;gap:.5rem;min-width:250px}.file-name{font-weight:600;color:var(--text-primary);word-break:break-all}.file-size{color:var(--text-tertiary);font-size:.9rem}.file-actions{display:flex;align-items:center;gap:1rem;flex-wrap:wrap}.file-id{font-family:Fira Code,Courier 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.upload-icon{color:var(--accent-secondary);opacity:1;transform:scale(1.1)}.upload-text{font-size:1.2rem;font-weight:500;color:var(--text-primary);margin:0}.upload-subtext{font-size:.9rem;color:var(--text-tertiary);margin:0}@keyframes pulse{0%{box-shadow:0 0 #667eea66}70%{box-shadow:0 0 0 10px #667eea00}to{box-shadow:0 0 #667eea00}}.upload-area.drag-over{animation:pulse 2s infinite}@media (max-width: 768px){.upload-area{padding:1.5rem;min-height:150px}.upload-icon{width:48px;height:48px}.upload-text{font-size:1rem}.upload-subtext{font-size:.8rem}}.upload-area{border:2px dashed var(--border-color);background:linear-gradient(135deg,var(--bg-secondary) 0%,var(--bg-tertiary) 100%)}.upload-area.drag-over{border-color:var(--accent-primary);background:linear-gradient(135deg,var(--bg-hover) 0%,var(--bg-secondary) 100%)}.connection-status{margin-top:.5rem;padding:.25rem .75rem;border-radius:20px;font-size:.85rem;font-weight:500;display:inline-block}.connection-status.connected{background:#28a74533;color:#28a745;border:1px solid rgba(40,167,69,.3)}.connection-status.disconnected{background:#dc354533;color:#dc3545;border:1px solid rgba(220,53,69,.3)}.connection-status.connecting{background:#ffc10733;color:#ffc107;border:1px solid rgba(255,193,7,.3)}.connection-status.error{background:#6c757d33;color:#6c757d;border:1px solid rgba(108,117,125,.3)}.upload-warning{color:#dc3545;font-size:.8rem;margin-top:.5rem;font-weight:500}button:disabled{opacity:.6;cursor:not-allowed}.download-form{display:flex;gap:.5rem;margin-bottom:1rem;flex-wrap:wrap}.download-button:disabled{background:#6c757d}.download-button:disabled:hover{background:#6c757d;transform:none;box-shadow:none}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica 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