@import"https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap";:root{--bg-primary: #0a0e27;--bg-secondary: #131829;--bg-card: #1a1f35;--border-color: #2a2f45;--text-primary: #ffffff;--text-secondary: #a0a4b8;--accent-blue: #0ea5e9;--accent-cyan: #06b6d4;--accent-green: #10b981;--accent-red: #ef4444}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-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:var(--bg-primary);color:var(--text-primary);min-height:100vh;line-height:1.6}.app-container{min-height:100vh;padding:32px 24px;display:flex;align-items:center;justify-content:center}.app-content{max-width:720px;width:100%}.section-header{margin-bottom:24px;font-size:2rem;font-weight:600}.form-card{background:var(--bg-secondary);padding:32px;border-radius:4px;border:1px solid var(--border-color)}.form-group{margin-bottom:24px}.form-label{display:block;margin-bottom:8px;font-weight:500;color:var(--text-primary)}.form-input,.form-textarea{width:100%;padding:12px 16px;background:var(--bg-primary);border:1px solid var(--border-color);border-radius:4px;color:var(--text-primary);font-size:1rem;font-family:inherit;transition:all .2s ease}.form-input:focus,.form-textarea:focus{outline:none;border-color:var(--accent-blue)}.form-textarea{resize:vertical;font-family:Fira Code,monospace}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg-secondary);border-radius:4px}::-webkit-scrollbar-thumb{background:var(--border-color);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#3a3f55}.mode-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.mode-card{padding:48px 32px;background:var(--bg-secondary);border:2px solid var(--border-color);border-radius:4px;color:var(--text-primary);font-size:1.25rem;font-weight:600;cursor:pointer;transition:all .2s ease;text-align:center}.mode-card:hover{background:var(--bg-card);border-color:var(--accent-blue);transform:translateY(-2px)}.mode-icon{font-size:3rem;margin-bottom:16px}.mode-label{margin-bottom:8px}.mode-sublabel{font-size:.875rem;color:var(--text-secondary);font-weight:400}.btn{width:100%;padding:14px;border-radius:4px;color:#fff;font-size:1.125rem;font-weight:600;cursor:pointer;border:none;transition:all .2s ease}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--accent-blue)}.btn-primary:hover:not(:disabled){background:#0284c7;transform:translateY(-1px)}.btn-success{background:var(--accent-green)}.btn-danger{background:var(--accent-red)}.btn-send{background:var(--accent-cyan)}.btn-send:hover:not(:disabled){background:#0891b2;transform:translateY(-1px)}.data-item{background:var(--bg-primary);border:1px solid var(--border-color);border-radius:4px;padding:12px 16px;display:flex;align-items:center;gap:12px;min-height:72px!important;max-height:72px!important}.data-item-info{flex:1;min-width:0;display:flex;flex-direction:column;gap:4px}.data-item-meta{font-size:.75rem;color:var(--text-secondary)}.data-item-content{font-family:Fira Code,monospace;font-size:.9rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:var(--text-primary)}.data-item-actions{display:flex;gap:8px;flex-shrink:0}.data-item-btn{padding:8px 16px;background:var(--accent-blue);border-radius:4px;color:#fff;font-size:.875rem;font-weight:600;cursor:pointer;border:none;transition:all .2s ease;white-space:nowrap}.data-item-btn:hover{background:#0284c7}.data-item-btn.success{background:var(--accent-green)}.data-item-btn.download{background:var(--bg-card);border:1px solid var(--border-color);color:var(--text-primary)}.data-item-btn.download:hover{background:var(--bg-secondary);border-color:var(--accent-blue)}.receiver-split{display:flex;gap:32px;height:calc(100vh - 200px);min-height:500px;align-items:stretch}.receiver-info-panel{flex:0 0 28%;display:flex;flex-direction:column}.receiver-files-panel{flex:1;display:flex;flex-direction:column;min-width:0}.receiver-info-card{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:4px;padding:24px;display:flex;flex-direction:column;gap:20px}.receiver-status{display:flex;flex-direction:column;gap:8px}.receiver-label{font-size:.875rem;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px}.receiver-username{font-size:2rem;font-weight:700;color:var(--accent-cyan);word-break:break-all}.receiver-stop-btn{padding:12px;background:var(--accent-red);border:none;border-radius:4px;color:#fff;font-weight:600;cursor:pointer;transition:all .2s ease}.receiver-stop-btn:hover{background:#dc2626;transform:translateY(-1px)}.data-section-title{margin-bottom:16px;font-size:1.25rem;font-weight:600;flex-shrink:0}.data-container{background:var(--bg-secondary);border-radius:4px;border:1px solid var(--border-color);flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:12px;min-height:0}.data-empty{text-align:center;padding:80px 24px;color:var(--text-secondary);margin:auto}.data-empty-icon{font-size:4rem;margin-bottom:16px}.data-empty-text{font-size:1.125rem;margin-bottom:8px}.data-empty-subtext{font-size:.875rem}.status-message{padding:14px;background:var(--bg-primary);border:1px solid var(--border-color);border-radius:4px;text-align:center;margin-top:16px}.status-message.error{color:var(--accent-red);border-color:var(--accent-red)}.status-message.info{color:var(--accent-cyan);border-color:var(--accent-cyan)}