@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap";: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{--primary-color: #6366f1;--primary-hover: #4f46e5;--secondary-color: #8b5cf6;--success-color: #10b981;--danger-color: #ef4444;--text-primary: #f9fafb;--text-secondary: #d1d5db;--text-muted: #9ca3af;--bg-primary: #0f172a;--bg-secondary: #1e293b;--bg-tertiary: #334155;--border-color: rgba(148, 163, 184, .1);--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .1);--radius-sm: .375rem;--radius-md: .5rem;--radius-lg: .75rem;--radius-xl: 1rem}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:linear-gradient(135deg,#0f172a,#1e293b,#334155);color:var(--text-primary);min-height:100vh;width:100%;margin:0;padding:0;overflow-x:hidden}#root{min-height:100vh;width:100%;display:flex;justify-content:center}.app{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:1rem}.welcome-container{width:100%;max-width:500px;animation:fadeIn .6s ease-out}.welcome-card{background:#1e293b99;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:1px solid var(--border-color);border-radius:var(--radius-xl);padding:3rem 2rem;box-shadow:var(--shadow-xl)}.logo{font-size:2.5rem;font-weight:700;text-align:center;margin-bottom:.5rem;background:linear-gradient(135deg,var(--primary-color),var(--secondary-color));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.logo-icon{display:inline-block;animation:bounce 2s infinite}.tagline{text-align:center;color:var(--text-secondary);margin-bottom:2.5rem;font-size:.95rem}.action-section{display:flex;flex-direction:column;gap:1.5rem}.divider{text-align:center;position:relative;color:var(--text-muted);font-size:.875rem}.divider:before,.divider:after{content:"";position:absolute;top:50%;width:40%;height:1px;background:var(--border-color)}.divider:before{left:0}.divider:after{right:0}.join-section{display:flex;gap:.75rem}.room-input{flex:1;padding:.875rem 1rem;background:#33415580;border:1px solid var(--border-color);border-radius:var(--radius-md);color:var(--text-primary);font-size:1rem;font-weight:600;text-align:center;letter-spacing:.1em;text-transform:uppercase;transition:all .2s}.room-input:focus{outline:none;border-color:var(--primary-color);background:#334155cc;box-shadow:0 0 0 3px #6366f11a}.password-section{display:flex;flex-direction:column;gap:.75rem;margin-top:-.5rem}.password-toggle{display:flex;align-items:center;gap:.5rem;cursor:pointer;font-size:.875rem;color:var(--text-secondary);-webkit-user-select:none;user-select:none}.password-toggle input[type=checkbox]{width:18px;height:18px;cursor:pointer;accent-color:var(--primary-color)}.password-toggle:hover{color:var(--text-primary)}.password-input{text-align:left!important;letter-spacing:normal!important;text-transform:none!important;font-weight:400!important}.features{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin-top:2.5rem;padding-top:2rem;border-top:1px solid var(--border-color)}.feature{display:flex;flex-direction:column;align-items:center;gap:.5rem;font-size:.875rem;color:var(--text-secondary)}.feature-icon{font-size:1.5rem}.chat-room{width:100%;max-width:1400px;height:100vh;margin-left:auto;margin-right:auto;display:flex;flex-direction:column;background:var(--bg-primary);box-shadow:0 0 50px #0000004d}.chat-header{display:flex;justify-content:space-between;align-items:center;padding:1rem 1.5rem;background:#1e293bcc;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-bottom:1px solid var(--border-color);box-shadow:var(--shadow-md)}.room-info h2{font-size:1.25rem;margin-bottom:.25rem}.room-code{display:flex;align-items:center;gap:.5rem;padding:.375rem .75rem;background:#6366f11a;border:1px solid rgba(99,102,241,.2);border-radius:var(--radius-md);cursor:pointer;transition:all .2s;font-size:.875rem}.room-code:hover{background:#6366f133;transform:translateY(-1px)}.code-label{color:var(--text-muted)}.code-value{font-weight:700;letter-spacing:.1em;color:var(--primary-color)}.copy-icon{font-size:1rem}.header-actions{display:flex;align-items:center;gap:1rem}.online-status{display:flex;align-items:center;gap:.5rem;font-size:.875rem;color:var(--text-secondary)}.status-dot{width:8px;height:8px;border-radius:50%;background:var(--text-muted);animation:pulse 2s infinite}.status-dot.connected{background:var(--success-color)}.message-list{flex:1;overflow-y:auto;padding:1.5rem;display:flex;flex-direction:column;gap:1rem}.empty-state{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.5rem;color:var(--text-muted);font-size:1.125rem}.empty-hint{font-size:.875rem;color:var(--text-muted);opacity:.7}.message{display:flex;flex-direction:column;max-width:70%;animation:slideIn .3s ease-out}.system-message{align-self:center;max-width:100%}.system-text{display:inline-block;padding:.5rem 1rem;background:#94a3b81a;border-radius:var(--radius-lg);font-size:.875rem;color:var(--text-muted);text-align:center}.own-message{align-self:flex-end}.other-message{align-self:flex-start}.message-bubble{padding:.875rem 1.125rem;border-radius:var(--radius-lg);word-wrap:break-word;line-height:1.5}.own-message .message-bubble{background:linear-gradient(135deg,var(--primary-color),var(--secondary-color));color:#fff;border-bottom-right-radius:.25rem}.other-message .message-bubble{background:var(--bg-secondary);border-bottom-left-radius:.25rem}.message-time{font-size:.75rem;color:var(--text-muted);margin-top:.25rem;padding:0 .5rem}.own-message .message-time{text-align:right}.file-message{display:flex;align-items:center;justify-content:space-between;gap:1rem;min-width:250px}.file-info{display:flex;align-items:center;gap:.75rem;flex:1}.file-icon{font-size:1.5rem}.file-details{display:flex;flex-direction:column;gap:.125rem}.file-name{font-weight:600;font-size:.875rem}.file-size{font-size:.75rem;opacity:.8}.chat-input-container{display:flex;gap:.75rem;padding:1rem 1.5rem;background:#1e293bcc;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-top:1px solid var(--border-color)}.message-input{flex:1;padding:.875rem 1rem;background:#33415580;border:1px solid var(--border-color);border-radius:var(--radius-md);color:var(--text-primary);font-size:.95rem;transition:all .2s}.message-input:focus{outline:none;border-color:var(--primary-color);background:#334155cc;box-shadow:0 0 0 3px #6366f11a}.message-input:disabled{opacity:.5;cursor:not-allowed}.btn{padding:.875rem 1.5rem;border:none;border-radius:var(--radius-md);font-size:.95rem;font-weight:600;cursor:pointer;transition:all .2s;display:inline-flex;align-items:center;justify-content:center;gap:.5rem}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:linear-gradient(135deg,var(--primary-color),var(--secondary-color));color:#fff;box-shadow:var(--shadow-md)}.btn-primary:hover:not(:disabled){transform:translateY(-2px);box-shadow:var(--shadow-lg)}.btn-secondary{background:var(--bg-tertiary);color:var(--text-primary);border:1px solid var(--border-color)}.btn-secondary:hover:not(:disabled){background:var(--bg-secondary);border-color:var(--primary-color)}.btn-send{background:var(--primary-color);color:#fff;padding:.875rem 1.75rem}.btn-send:hover:not(:disabled){background:var(--primary-hover);transform:translateY(-1px)}.btn-file{padding:.875rem 1rem;background:#33415580;border:1px solid var(--border-color);color:var(--text-primary);font-size:1.25rem}.btn-file:hover:not(:disabled){background:#334155cc;border-color:var(--primary-color)}.file-icon.dragging{animation:shake .5s}.btn-download{padding:.5rem 1rem;background:#ffffff1a;color:#fff;font-size:.875rem;border-radius:var(--radius-sm)}.btn-download:hover{background:#fff3}.btn-leave{background:transparent;color:var(--danger-color);border:1px solid var(--danger-color);padding:.625rem 1.25rem;font-size:.875rem}.btn-leave:hover{background:var(--danger-color);color:#fff}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes slideIn{0%{opacity:0;transform:translate(-10px)}to{opacity:1;transform:translate(0)}}@keyframes bounce{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}@keyframes shake{0%,to{transform:translate(0)}25%{transform:translate(-5px)}75%{transform:translate(5px)}}@media(max-width:768px){.welcome-card{padding:2rem 1.5rem}.logo{font-size:2rem}.message{max-width:85%}.chat-header{flex-direction:column;gap:1rem;align-items:flex-start}.header-actions{width:100%;justify-content:space-between}.features{grid-template-columns:1fr}}.message-list::-webkit-scrollbar{width:8px}.message-list::-webkit-scrollbar-track{background:transparent}.message-list::-webkit-scrollbar-thumb{background:#94a3b84d;border-radius:4px}.message-list::-webkit-scrollbar-thumb:hover{background:#94a3b880}.transfer-progress{padding:1rem 1.5rem;background:#1e293b99;border-top:1px solid var(--border-color);display:flex;flex-direction:column;gap:.75rem;animation:slideIn .3s ease-out}.progress-item{display:flex;flex-direction:column;gap:.5rem}.progress-info{display:flex;align-items:center;gap:.75rem;font-size:.875rem;color:var(--text-secondary)}.progress-icon{font-size:1.25rem}.progress-filename{flex:1;font-weight:500;color:var(--text-primary);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.progress-percent{font-weight:600;color:var(--primary-color);min-width:45px;text-align:right}.progress-bar{height:6px;background:#33415580;border-radius:3px;overflow:hidden;position:relative}.progress-fill{height:100%;border-radius:3px;transition:width .3s ease-out;position:relative;overflow:hidden}.progress-fill.upload{background:linear-gradient(90deg,var(--primary-color),var(--secondary-color));box-shadow:0 0 10px #6366f180}.progress-fill.download{background:linear-gradient(90deg,var(--success-color),#34d399);box-shadow:0 0 10px #10b98180}.progress-fill:after{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.3),transparent);animation:shimmer 1.5s infinite}@keyframes shimmer{0%{left:-100%}to{left:100%}}