@import"https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500&display=swap";:root{--bg-primary: #0d1117;--bg-secondary: #161b22;--bg-card: #1c2333;--bg-input: #0d1117;--bg-hover: #1f2937;--accent-neon: #00f5d4;--accent-blue: #58a6ff;--accent-red: #f25c54;--accent-red-hover: #ff6b6b;--accent-neon-rgb: 0, 245, 212;--accent-red-rgb: 242, 92, 84;--accent-blue-rgb: 88, 166, 255;--text-primary: #e6edf3;--text-secondary: #8b949e;--text-muted: #484f58;--border-default: #30363d;--border-active: #00f5d4;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .3);--shadow-md: 0 4px 14px rgba(0, 0, 0, .4);--shadow-lg: 0 10px 40px rgba(0, 0, 0, .5);--shadow-neon: 0 0 20px rgba(var(--accent-neon-rgb), .15);--shadow-red: 0 0 20px rgba(var(--accent-red-rgb), .2);--font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-mono: "JetBrains Mono", "Fira Code", monospace;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--radius-xl: 24px;--transition-fast: .15s cubic-bezier(.4, 0, .2, 1);--transition-base: .25s cubic-bezier(.4, 0, .2, 1);--transition-slow: .4s cubic-bezier(.4, 0, .2, 1)}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}html{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:var(--font-sans);background-color:var(--bg-primary);color:var(--text-primary);line-height:1.6;min-height:100vh;overflow-x:hidden}body:before{content:"";position:fixed;top:0;left:0;width:100%;height:100%;background:radial-gradient(ellipse at 20% 50%,rgba(var(--accent-neon-rgb),.03) 0%,transparent 60%),radial-gradient(ellipse at 80% 20%,rgba(var(--accent-blue-rgb),.04) 0%,transparent 60%),radial-gradient(ellipse at 50% 80%,rgba(var(--accent-red-rgb),.02) 0%,transparent 60%);pointer-events:none;z-index:0}#root{position:relative;z-index:1;min-height:100vh;display:flex;flex-direction:column}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:var(--bg-primary)}::-webkit-scrollbar-thumb{background:var(--border-default);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}.app-container{max-width:960px;margin:0 auto;padding:24px 20px;min-height:100vh;display:flex;flex-direction:column}.app-header{text-align:center;padding:40px 0 32px}.app-logo{font-size:2.8rem;margin-bottom:8px;filter:drop-shadow(0 0 12px rgba(var(--accent-neon-rgb),.3));animation:float 3s ease-in-out infinite}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-6px)}}.app-title{font-size:1.75rem;font-weight:800;letter-spacing:-.5px;background:linear-gradient(135deg,var(--accent-neon) 0%,var(--accent-blue) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:6px}.app-subtitle{font-size:.9rem;color:var(--text-secondary);font-weight:400;letter-spacing:.3px}.card{background:var(--bg-card);border:1px solid var(--border-default);border-radius:var(--radius-lg);padding:28px;transition:all var(--transition-base);position:relative;overflow:hidden}.card:before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(var(--accent-neon-rgb),.3),transparent);opacity:0;transition:opacity var(--transition-base)}.card:hover:before{opacity:1}.card-glass{background:#1c2333b3;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid rgba(var(--accent-neon-rgb),.1)}.card-section{margin-bottom:24px}.card-section:last-child{margin-bottom:0}.section-title{font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:1.5px;color:var(--text-muted);margin-bottom:14px;display:flex;align-items:center;gap:8px}.section-title .icon{font-size:1rem}.section-divider{height:1px;background:linear-gradient(90deg,transparent,var(--border-default),transparent);margin:24px 0}.room-input-group{margin-bottom:28px}.room-input-group label{display:block;font-size:.8rem;font-weight:500;color:var(--text-secondary);margin-bottom:8px;text-transform:uppercase;letter-spacing:.8px}.room-input{width:100%;padding:14px 18px;background:var(--bg-input);border:1.5px solid var(--border-default);border-radius:var(--radius-md);color:var(--text-primary);font-family:var(--font-mono);font-size:1.1rem;font-weight:500;letter-spacing:2px;text-transform:uppercase;text-align:center;transition:all var(--transition-base);outline:none}.room-input::placeholder{color:var(--text-muted);text-transform:none;letter-spacing:.5px;font-size:.9rem}.room-input:focus{border-color:var(--accent-neon);box-shadow:0 0 0 3px rgba(var(--accent-neon-rgb),.1),var(--shadow-neon)}.lang-select-group{margin-bottom:18px}.lang-select-group label{display:block;font-size:.75rem;font-weight:500;color:var(--text-secondary);margin-bottom:6px;text-transform:uppercase;letter-spacing:.8px}.lang-select{width:100%;padding:12px 36px 12px 16px;background:var(--bg-input);border:1.5px solid var(--border-default);border-radius:var(--radius-md);color:var(--text-primary);font-family:var(--font-sans);font-size:.95rem;cursor:pointer;transition:all var(--transition-base);outline:none;-moz-appearance:none;appearance:none;-webkit-appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%238b949e' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center}.lang-select:focus{border-color:var(--accent-neon);box-shadow:0 0 0 3px rgba(var(--accent-neon-rgb),.1)}.lang-select option{background:var(--bg-secondary);color:var(--text-primary)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:14px 28px;border:none;border-radius:var(--radius-md);font-family:var(--font-sans);font-size:.95rem;font-weight:600;cursor:pointer;transition:all var(--transition-base);text-decoration:none;outline:none;position:relative;overflow:hidden;width:100%}.btn:after{content:"";position:absolute;top:50%;left:50%;width:0;height:0;background:#ffffff1a;border-radius:50%;transform:translate(-50%,-50%);transition:width .5s,height .5s}.btn:active:after{width:300px;height:300px}.btn-speaker{background:linear-gradient(135deg,#00f5d4,#00c4a7,#00947d);color:#0d1117;box-shadow:0 4px 15px rgba(var(--accent-neon-rgb),.3)}.btn-speaker:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 6px 25px rgba(var(--accent-neon-rgb),.4)}.btn-speaker:active:not(:disabled){transform:translateY(0)}.btn-listener{background:linear-gradient(135deg,#58a6ff,#388bfd,#1f6feb);color:#fff;box-shadow:0 4px 15px rgba(var(--accent-blue-rgb),.3)}.btn-listener:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 6px 25px rgba(var(--accent-blue-rgb),.4)}.btn-danger{background:linear-gradient(135deg,#f25c54,#d94040);color:#fff;box-shadow:0 4px 15px rgba(var(--accent-red-rgb),.3)}.btn-danger:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 6px 25px rgba(var(--accent-red-rgb),.4)}.btn-ghost{background:transparent;color:var(--text-secondary);border:1px solid var(--border-default)}.btn-ghost:hover:not(:disabled){background:var(--bg-hover);color:var(--text-primary);border-color:var(--text-muted)}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none!important}.btn .btn-icon{font-size:1.15rem}.lobby-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:8px}@media (max-width: 640px){.lobby-grid{grid-template-columns:1fr}}.lobby-card{display:flex;flex-direction:column}.lobby-card .card-content{flex:1;display:flex;flex-direction:column}.lobby-card .btn{margin-top:auto}.lobby-card-header{display:flex;align-items:center;gap:10px;margin-bottom:18px}.lobby-card-header .card-icon{font-size:1.5rem}.lobby-card-header h3{font-size:1.05rem;font-weight:700;color:var(--text-primary)}.lobby-card-desc{font-size:.82rem;color:var(--text-secondary);margin-bottom:18px;line-height:1.5}.live-indicator{display:inline-flex;align-items:center;gap:10px;padding:10px 22px;background:rgba(var(--accent-red-rgb),.12);border:1px solid rgba(var(--accent-red-rgb),.3);border-radius:var(--radius-xl);color:var(--accent-red);font-weight:700;font-size:.85rem;text-transform:uppercase;letter-spacing:2px}.live-dot{width:10px;height:10px;border-radius:50%;background:var(--accent-red);animation:pulse-live 1.5s ease-in-out infinite;box-shadow:0 0 8px rgba(var(--accent-red-rgb),.6)}@keyframes pulse-live{0%,to{opacity:1;transform:scale(1);box-shadow:0 0 8px rgba(var(--accent-red-rgb),.6)}50%{opacity:.6;transform:scale(1.3);box-shadow:0 0 20px rgba(var(--accent-red-rgb),.8)}}.connection-status{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:var(--radius-xl);font-size:.75rem;font-weight:500;text-transform:uppercase;letter-spacing:.8px}.connection-status.connected{background:rgba(var(--accent-neon-rgb),.1);color:var(--accent-neon);border:1px solid rgba(var(--accent-neon-rgb),.2)}.connection-status.disconnected{background:rgba(var(--accent-red-rgb),.1);color:var(--accent-red);border:1px solid rgba(var(--accent-red-rgb),.2)}.connection-status.connecting{background:#ffc1071a;color:#ffc107;border:1px solid rgba(255,193,7,.2)}.status-dot{width:7px;height:7px;border-radius:50%;background:currentColor}.status-dot.pulse{animation:pulse-status 2s ease-in-out infinite}@keyframes pulse-status{0%,to{opacity:1}50%{opacity:.4}}.speaker-view{flex:1;display:flex;flex-direction:column;gap:20px}.speaker-topbar{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px}.speaker-info{display:flex;align-items:center;gap:14px;flex-wrap:wrap}.room-badge{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;background:var(--bg-card);border:1px solid var(--border-default);border-radius:var(--radius-xl);font-family:var(--font-mono);font-size:.8rem;font-weight:500;color:var(--text-secondary)}.listener-count{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;background:rgba(var(--accent-blue-rgb),.1);border:1px solid rgba(var(--accent-blue-rgb),.2);border-radius:var(--radius-xl);font-size:.8rem;font-weight:500;color:var(--accent-blue)}.audio-visualizer{display:flex;align-items:flex-end;justify-content:center;gap:3px;height:50px;padding:16px 0}.audio-bar{width:4px;border-radius:2px;background:linear-gradient(to top,var(--accent-neon),var(--accent-blue));transition:height .1s ease;min-height:4px}.audio-bar.active{animation:audio-bounce .5s ease-in-out infinite}@keyframes audio-bounce{0%,to{transform:scaleY(.3)}50%{transform:scaleY(1)}}.audio-bar:nth-child(1){animation-delay:0s}.audio-bar:nth-child(2){animation-delay:.1s}.audio-bar:nth-child(3){animation-delay:.05s}.audio-bar:nth-child(4){animation-delay:.15s}.audio-bar:nth-child(5){animation-delay:.02s}.audio-bar:nth-child(6){animation-delay:.12s}.audio-bar:nth-child(7){animation-delay:.07s}.audio-bar:nth-child(8){animation-delay:.18s}.audio-bar:nth-child(9){animation-delay:.03s}.audio-bar:nth-child(10){animation-delay:.14s}.transcript-panel{flex:1;min-height:200px}.transcript-panel .card{height:100%;display:flex;flex-direction:column}.transcript-content{flex:1;overflow-y:auto;max-height:400px;padding:4px 0}.transcript-line{padding:8px 12px;margin-bottom:4px;border-radius:var(--radius-sm);font-size:.95rem;line-height:1.5;animation:fade-slide-in .3s ease-out}.transcript-line.final{color:var(--text-primary);background:rgba(var(--accent-neon-rgb),.05);border-left:2px solid var(--accent-neon)}.transcript-line.partial{color:var(--text-muted);font-style:italic}.listener-view{flex:1;display:flex;flex-direction:column;gap:20px}.listener-topbar{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px}.listener-info{display:flex;align-items:center;gap:14px;flex-wrap:wrap}.lang-badge{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;background:rgba(var(--accent-blue-rgb),.1);border:1px solid rgba(var(--accent-blue-rgb),.2);border-radius:var(--radius-xl);font-size:.8rem;font-weight:600;color:var(--accent-blue);text-transform:uppercase;letter-spacing:.5px}.subtitles-panel{flex:1}.subtitles-panel .card{height:100%;display:flex;flex-direction:column;min-height:350px}.subtitles-content{flex:1;overflow-y:auto;max-height:500px;display:flex;flex-direction:column;gap:6px;padding:4px 0}.subtitle-line{padding:12px 16px;border-radius:var(--radius-md);animation:fade-slide-in .4s ease-out;position:relative}.subtitle-text{font-size:1.15rem;font-weight:500;line-height:1.5;color:var(--text-primary)}.subtitle-original{font-size:.78rem;color:var(--text-muted);margin-top:4px;font-style:italic}.subtitle-line:last-child{background:rgba(var(--accent-neon-rgb),.06);border:1px solid rgba(var(--accent-neon-rgb),.1)}.subtitle-line:last-child .subtitle-text{color:var(--accent-neon)}.tts-indicator{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:var(--radius-xl);font-size:.75rem;font-weight:500;text-transform:uppercase;letter-spacing:.8px;background:rgba(var(--accent-neon-rgb),.1);color:var(--accent-neon);border:1px solid rgba(var(--accent-neon-rgb),.2);animation:pulse-glow 2s ease-in-out infinite}@keyframes pulse-glow{0%,to{box-shadow:0 0 5px rgba(var(--accent-neon-rgb),.1)}50%{box-shadow:0 0 15px rgba(var(--accent-neon-rgb),.3)}}@keyframes fade-slide-in{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes fade-in{0%{opacity:0}to{opacity:1}}.fade-in{animation:fade-in .5s ease-out}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:48px 24px;color:var(--text-muted);text-align:center;gap:12px}.empty-state .empty-icon{font-size:2.5rem;opacity:.5;margin-bottom:4px}.empty-state .empty-title{font-size:.95rem;font-weight:500;color:var(--text-secondary)}.empty-state .empty-desc{font-size:.82rem;color:var(--text-muted);max-width:280px}.error-banner{display:flex;align-items:center;gap:10px;padding:12px 18px;background:rgba(var(--accent-red-rgb),.1);border:1px solid rgba(var(--accent-red-rgb),.25);border-radius:var(--radius-md);color:var(--accent-red);font-size:.85rem;font-weight:500;animation:fade-slide-in .3s ease-out}.error-banner .error-icon{font-size:1.1rem;flex-shrink:0}.action-bar{display:flex;gap:12px;flex-wrap:wrap}.action-bar .btn{width:auto;flex:1;min-width:140px}@media (max-width: 640px){.app-container{padding:16px 14px}.app-header{padding:24px 0 20px}.app-title{font-size:1.4rem}.app-logo{font-size:2.2rem}.card{padding:20px}.speaker-topbar,.listener-topbar{flex-direction:column;align-items:flex-start}.action-bar{flex-direction:column}.action-bar .btn{width:100%}}.welcome-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:8px}@media (max-width: 640px){.welcome-grid{grid-template-columns:1fr;gap:16px}}.welcome-card{text-align:center;padding:36px 28px;transition:all var(--transition-base)}.welcome-card:hover{border-color:rgba(var(--accent-neon-rgb),.3);transform:translateY(-3px);box-shadow:var(--shadow-lg)}.welcome-card-icon{font-size:3rem;margin-bottom:16px;filter:drop-shadow(0 0 8px rgba(var(--accent-neon-rgb),.2))}.welcome-card-title{font-size:1.2rem;font-weight:700;color:var(--text-primary);margin-bottom:10px}.welcome-card .lobby-card-desc{text-align:center}.login-card{max-width:440px;margin:0 auto}.login-header{text-align:center;margin-bottom:28px}.login-icon{font-size:2.5rem;display:block;margin-bottom:12px;filter:drop-shadow(0 0 8px rgba(var(--accent-neon-rgb),.2))}.login-title{font-size:1.3rem;font-weight:700;color:var(--text-primary);margin-bottom:6px}.login-subtitle{font-size:.85rem;color:var(--text-secondary)}.form-group{margin-bottom:18px}.form-group label{display:block;font-size:.75rem;font-weight:500;color:var(--text-secondary);margin-bottom:6px;text-transform:uppercase;letter-spacing:.8px}.form-input{width:100%;padding:12px 16px;background:var(--bg-input);border:1.5px solid var(--border-default);border-radius:var(--radius-md);color:var(--text-primary);font-family:var(--font-sans);font-size:.95rem;transition:all var(--transition-base);outline:none}.form-input::placeholder{color:var(--text-muted)}.form-input:focus{border-color:var(--accent-neon);box-shadow:0 0 0 3px rgba(var(--accent-neon-rgb),.1)}.login-hint{display:flex;align-items:center;gap:8px;margin-top:16px;padding:10px 14px;background:rgba(var(--accent-blue-rgb),.06);border:1px solid rgba(var(--accent-blue-rgb),.12);border-radius:var(--radius-sm);font-size:.78rem;color:var(--text-secondary)}.login-hint .hint-icon{font-size:.95rem;flex-shrink:0}.login-hint strong{color:var(--accent-neon);font-family:var(--font-mono);font-weight:500}.dashboard-header{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;margin-bottom:20px;padding:16px 20px;background:var(--bg-card);border:1px solid var(--border-default);border-radius:var(--radius-lg)}.dashboard-info{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.dashboard-center-badge{font-size:.95rem;font-weight:700;color:var(--text-primary)}.dashboard-guide-name{font-size:.82rem;color:var(--text-secondary);padding:4px 12px;background:rgba(var(--accent-blue-rgb),.08);border-radius:var(--radius-xl)}.btn-sm{padding:8px 16px;font-size:.82rem;width:auto}.token-gen-row{display:flex;gap:14px;margin-bottom:18px}@media (max-width: 640px){.token-gen-row{flex-direction:column;gap:0}}.generated-tokens{margin-top:0}.token-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:16px;margin-top:14px}.token-card{background:rgba(var(--accent-neon-rgb),.04);border:1px solid rgba(var(--accent-neon-rgb),.12);border-radius:var(--radius-md);padding:16px;text-align:center;transition:all var(--transition-base)}.token-card:hover{border-color:rgba(var(--accent-neon-rgb),.3);box-shadow:var(--shadow-neon)}.token-qr-container{margin-bottom:10px;display:flex;justify-content:center}.qr-wrapper{display:flex;flex-direction:column;align-items:center;gap:8px}.qr-image{border-radius:var(--radius-sm);border:2px solid var(--border-default)}.qr-download-link{font-size:.72rem;color:var(--accent-blue);text-decoration:none;font-weight:500;transition:color var(--transition-fast)}.qr-download-link:hover{color:var(--accent-neon)}.token-code{font-family:var(--font-mono);font-size:.78rem;font-weight:600;color:var(--accent-neon);letter-spacing:1px;margin-bottom:4px}.token-meta{font-size:.7rem;color:var(--text-muted)}.center-info-header{display:flex;align-items:flex-start;gap:16px;margin-bottom:4px}.center-info-icon{font-size:2.5rem;flex-shrink:0;filter:drop-shadow(0 0 6px rgba(var(--accent-neon-rgb),.2))}.center-info-name{font-size:1.3rem;font-weight:700;color:var(--text-primary);margin-bottom:4px}.center-info-desc{font-size:.85rem;color:var(--text-secondary);line-height:1.5}.error-dismiss{background:none;border:none;color:var(--accent-red);font-size:1rem;cursor:pointer;padding:2px 6px;margin-left:auto;opacity:.7;transition:opacity var(--transition-fast);flex-shrink:0}.error-dismiss:hover{opacity:1}.error-banner{margin-bottom:16px}@media (max-width: 640px){.dashboard-header{flex-direction:column;align-items:flex-start}.token-grid{grid-template-columns:repeat(auto-fill,minmax(150px,1fr))}.center-info-header{flex-direction:column;text-align:center;align-items:center}}.text-center{text-align:center}.text-mono{font-family:var(--font-mono)}.mt-auto{margin-top:auto}.mb-0{margin-bottom:0}.gap-sm{gap:8px}.gap-md{gap:16px}