:root{--bg-color: #0f0f13;--surface-color: rgba(255, 255, 255, .05);--surface-hover: rgba(255, 255, 255, .1);--primary-color: #6C63FF;--primary-hover: #5a52d5;--secondary-color: #03DAC6;--text-primary: #ffffff;--text-secondary: #a0a0a0;--error-color: #CF6679;--success-color: #00E676;--border-radius: 16px;--glass-border: 1px solid rgba(255, 255, 255, .1);--glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, .37);--font-family: "Outfit", sans-serif}*{box-sizing:border-box;margin:0;padding:0;-webkit-font-smoothing:antialiased}body{font-family:var(--font-family);background-color:var(--bg-color);color:var(--text-primary);height:100vh;overflow:hidden;display:flex;justify-content:center;align-items:center;position:relative}.background-blobs{position:absolute;top:0;left:0;width:100%;height:100%;z-index:-1;overflow:hidden}.blob{position:absolute;border-radius:50%;filter:blur(80px);opacity:.4;animation:float 10s infinite ease-in-out}.blob-1{width:400px;height:400px;background:var(--primary-color);top:-100px;left:-100px;animation-delay:0s}.blob-2{width:300px;height:300px;background:var(--secondary-color);bottom:-50px;right:-50px;animation-delay:2s}.blob-3{width:200px;height:200px;background:#ff0055;top:40%;left:60%;animation-delay:4s}@keyframes float{0%,to{transform:translate(0)}50%{transform:translate(30px,-30px)}}.app-container{width:100%;max-width:900px;height:90vh;display:flex;flex-direction:column;gap:20px;padding:20px;z-index:1}header{display:flex;justify-content:space-between;align-items:center;padding:0 10px}.logo{display:flex;align-items:center;gap:12px}.logo-icon{width:40px;height:40px;background:linear-gradient(135deg,var(--primary-color),var(--secondary-color));border-radius:12px;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 12px #6c63ff4d}.logo h1{font-size:1.5rem;font-weight:700;letter-spacing:-.5px}.connection-pill{background:rgba(0,0,0,.3);padding:8px 16px;border-radius:20px;display:flex;align-items:center;gap:8px;font-size:.85rem;border:var(--glass-border);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.status-dot{width:8px;height:8px;border-radius:50%;background-color:var(--error-color);box-shadow:0 0 8px var(--error-color);transition:all .3s ease}.status-dot.connected{background-color:var(--success-color);box-shadow:0 0 8px var(--success-color)}.glass-card{background:var(--surface-color);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:var(--glass-border);border-radius:var(--border-radius);box-shadow:var(--glass-shadow);padding:30px}.screen{display:none;height:100%;animation:fadeIn .4s ease-out}.screen.active{display:flex;flex-direction:column;gap:20px}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.hero-card{text-align:center;max-width:500px;margin:auto;width:100%}.hero-card h2{font-size:2rem;margin-bottom:10px}.subtitle{color:var(--text-secondary);margin-bottom:30px}.actions-container{display:flex;flex-direction:column;gap:20px}.divider{display:flex;align-items:center;color:var(--text-secondary);font-size:.8rem;gap:10px}.divider:before,.divider:after{content:"";flex:1;height:1px;background:rgba(255,255,255,.1)}.join-form{display:flex;gap:10px}.input-wrapper{position:relative;flex:1}.input-icon{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--text-secondary);font-size:1.2rem}input{width:100%;padding:12px 12px 12px 40px;border-radius:12px;border:1px solid rgba(255,255,255,.1);background:rgba(0,0,0,.2);color:#fff;font-family:inherit;font-size:1rem;transition:all .2s}input:focus{outline:none;border-color:var(--primary-color);background:rgba(0,0,0,.4)}.btn{border:none;border-radius:12px;cursor:pointer;font-weight:600;font-family:inherit;display:flex;align-items:center;justify-content:center;gap:8px;transition:all .2s}.btn:active{transform:scale(.96)}.btn.primary{background:var(--primary-color);color:#fff;box-shadow:0 4px 15px #6c63ff66}.btn.primary:hover{background:var(--primary-hover)}.btn.secondary{background:rgba(255,255,255,.1);color:#fff;padding:12px 24px}.btn.secondary:hover{background:rgba(255,255,255,.2)}.btn.large{padding:16px 32px;font-size:1.1rem}.btn.danger{background:rgba(207,102,121,.2);color:var(--error-color)}.btn.danger:hover{background:rgba(207,102,121,.3)}.btn.small{padding:8px}.room-header{display:flex;justify-content:space-between;align-items:center;padding:15px 25px}.room-info{display:flex;flex-direction:column;gap:4px}.room-info .label{font-size:.75rem;color:var(--text-secondary);text-transform:uppercase;letter-spacing:1px}.code-display{display:flex;align-items:center;gap:8px;font-family:monospace;font-size:1.2rem;font-weight:700;cursor:pointer;padding:4px 8px;border-radius:6px;transition:background .2s}.code-display:hover{background:rgba(255,255,255,.1)}.code-display .copy-icon{font-size:1rem;opacity:.7}.transfer-workspace{display:flex;gap:20px;flex:1;min-height:0}.drop-zone{flex:1;border:2px dashed rgba(255,255,255,.2);border-radius:var(--border-radius);display:flex;align-items:center;justify-content:center;text-align:center;transition:all .3s;background:rgba(255,255,255,.02);position:relative;overflow:hidden}.drop-zone:hover,.drop-zone.drag-over{border-color:var(--primary-color);background:rgba(108,99,255,.05)}.drop-content{pointer-events:none}.upload-icon{font-size:4rem;color:var(--text-secondary);margin-bottom:15px;transition:color .3s}.drop-zone:hover .upload-icon{color:var(--primary-color)}.file-list-container{flex:1;background:var(--surface-color);border:var(--glass-border);border-radius:var(--border-radius);display:flex;flex-direction:column;overflow:hidden}.list-header{padding:15px 20px;border-bottom:1px solid rgba(255,255,255,.1);display:flex;justify-content:space-between;align-items:center}.badge{background:var(--primary-color);padding:2px 8px;border-radius:10px;font-size:.8rem;font-weight:700}.file-list{flex:1;overflow-y:auto;padding:15px;display:flex;flex-direction:column;gap:10px}.empty-state{height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--text-secondary);opacity:.5}.empty-state .material-icons-round{font-size:3rem;margin-bottom:10px}.file-item{background:rgba(255,255,255,.05);border-radius:12px;padding:12px;display:flex;gap:12px;align-items:center;animation:slideIn .3s ease}@keyframes slideIn{0%{opacity:0;transform:translate(10px)}to{opacity:1;transform:translate(0)}}.file-icon{width:40px;height:40px;background:rgba(255,255,255,.1);border-radius:8px;display:flex;align-items:center;justify-content:center;color:var(--primary-color)}.file-details{flex:1;min-width:0}.file-name{font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-bottom:4px}.file-meta{font-size:.8rem;color:var(--text-secondary);display:flex;justify-content:space-between}.progress-bar{height:4px;background:rgba(255,255,255,.1);border-radius:2px;margin-top:8px;overflow:hidden}.progress-fill{height:100%;background:var(--secondary-color);width:0%;transition:width .2s linear}.toast-container{position:fixed;bottom:20px;right:20px;display:flex;flex-direction:column;gap:10px;z-index:100}.toast{background:#1e1e24;border-left:4px solid var(--primary-color);padding:12px 20px;border-radius:8px;box-shadow:0 5px 15px #0000004d;color:#fff;min-width:250px;animation:slideUp .3s ease}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@media (max-width: 768px){.transfer-workspace{flex-direction:column}.drop-zone{min-height:150px}.app-container{height:auto;min-height:100vh}}.settings-group{margin-top:20px;display:flex;align-items:center;justify-content:center;gap:12px}.settings-label{color:var(--text-secondary);font-size:.9rem;font-weight:500}.settings-select{padding:8px 12px;border-radius:8px;background:rgba(0,0,0,.2);border:1px solid rgba(255,255,255,.1);color:#fff;font-family:inherit;font-size:.9rem;cursor:pointer;outline:none;transition:all .2s}.settings-select:focus{border-color:var(--primary-color);background:rgba(0,0,0,.4)}.settings-select option{background:#1e1e24;color:#fff}