:root{--bg-primary: #0b0d14;--bg-secondary: #111520;--bg-tertiary: #181d2a;--bg-hover: #1e2436;--bg-active: #252d40;--text-primary: #e4e7ed;--text-secondary: #8b92a5;--text-muted: #555d73;--accent: #5b6eef;--accent-hover: #4a5cd6;--accent-glow: rgba(91, 110, 239, .35);--success: #3cba6e;--success-glow: rgba(60, 186, 110, .4);--danger: #e84057;--danger-hover: #d32f4a;--warning: #f0a030;--border: #1e2436;--border-light: #2a3348;--sidebar-width: 260px;--control-bar-height: 56px;--font: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 14px;--radius-full: 50%}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}html,body,#root{height:100%;width:100%;overflow:hidden}body{font-family:var(--font);background:var(--bg-primary);color:var(--text-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;line-height:1.5}input,button,textarea{font-family:var(--font);font-size:.9rem}a{color:var(--accent);text-decoration:none}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border-light);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}.auth-page{display:flex;align-items:center;justify-content:center;height:100%;background:linear-gradient(135deg,var(--bg-primary) 0%,#0d1020 50%,#10142a 100%);position:relative;overflow:hidden}.auth-page:before{content:"";position:absolute;width:600px;height:600px;background:radial-gradient(circle,var(--accent-glow) 0%,transparent 70%);top:-200px;right:-200px;animation:float 8s ease-in-out infinite}.auth-page:after{content:"";position:absolute;width:400px;height:400px;background:radial-gradient(circle,rgba(60,186,110,.15) 0%,transparent 70%);bottom:-150px;left:-150px;animation:float 10s ease-in-out infinite reverse}@keyframes float{0%,to{transform:translate(0)}50%{transform:translate(30px,-30px)}}.auth-card{background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-lg);padding:48px 40px;width:420px;max-width:90vw;position:relative;z-index:1;box-shadow:0 20px 60px #0006}.auth-card .logo{text-align:center;margin-bottom:8px}.auth-card .logo h1{font-size:1.8rem;font-weight:700;background:linear-gradient(135deg,var(--accent),#8b9cf7);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;letter-spacing:-.5px}.auth-card .greeting{text-align:center;font-size:1.1rem;color:var(--text-secondary);margin-bottom:32px}.form-group{margin-bottom:18px}.form-group label{display:block;font-size:.8rem;font-weight:500;color:var(--text-secondary);margin-bottom:6px;text-transform:uppercase;letter-spacing:.5px}.form-group input{width:100%;padding:11px 14px;background:var(--bg-primary);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-primary);outline:none;transition:border-color .2s,box-shadow .2s}.form-group input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 20px;border:none;border-radius:var(--radius-sm);font-weight:600;font-size:.9rem;cursor:pointer;transition:all .2s;width:100%}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-hover);transform:translateY(-1px);box-shadow:0 4px 15px var(--accent-glow)}.btn-primary:active{transform:translateY(0)}.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover{background:var(--danger-hover)}.auth-toggle{text-align:center;margin-top:20px;font-size:.85rem;color:var(--text-secondary)}.auth-toggle button{background:none;border:none;color:var(--accent);cursor:pointer;font-weight:600;font-size:.85rem}.auth-toggle button:hover{text-decoration:underline}.auth-error{background:#e840571f;border:1px solid rgba(232,64,87,.3);color:var(--danger);padding:10px 14px;border-radius:var(--radius-sm);margin-bottom:18px;font-size:.85rem}.app-layout{display:flex;height:100%;width:100%}.sidebar{width:var(--sidebar-width);min-width:var(--sidebar-width);background:var(--bg-secondary);border-right:1px solid var(--border);display:flex;flex-direction:column;height:100%}.sidebar-header{padding:18px 16px 14px;border-bottom:1px solid var(--border)}.sidebar-header h2{font-size:1.1rem;font-weight:700;background:linear-gradient(135deg,var(--accent),#8b9cf7);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.channel-section{padding:12px 0}.channel-section-title{padding:0 16px;font-size:.7rem;font-weight:700;color:var(--text-muted);text-transform:uppercase;letter-spacing:1px;margin-bottom:6px}.channel-item{display:flex;align-items:center;gap:8px;padding:8px 16px;cursor:pointer;color:var(--text-secondary);transition:all .15s;font-size:.9rem;font-weight:500}.channel-item:hover{background:var(--bg-hover);color:var(--text-primary)}.channel-item.active{background:var(--bg-active);color:var(--text-primary)}.channel-item .channel-icon{opacity:.6;flex-shrink:0}.channel-item.active .channel-icon{opacity:1}.channel-voice-users{padding-left:40px}.channel-voice-user{display:flex;align-items:center;gap:6px;padding:3px 0;font-size:.8rem;color:var(--text-muted)}.channel-voice-user .mini-avatar{width:20px;height:20px;border-radius:var(--radius-full);background:var(--bg-active);display:flex;align-items:center;justify-content:center;font-size:.55rem;font-weight:700;color:var(--accent)}.sidebar-user{margin-top:auto;padding:12px 14px;border-top:1px solid var(--border);display:flex;align-items:center;gap:10px;background:var(--bg-tertiary)}.sidebar-user .user-avatar{width:34px;height:34px;border-radius:var(--radius-full);background:linear-gradient(135deg,var(--accent),#8b9cf7);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.85rem;color:#fff;flex-shrink:0}.sidebar-user .user-info{flex:1;min-width:0}.sidebar-user .user-name{font-size:.85rem;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.sidebar-user .user-status{font-size:.7rem;color:var(--success)}.sidebar-user .logout-btn{background:none;border:none;color:var(--text-muted);cursor:pointer;padding:4px;border-radius:var(--radius-sm);transition:all .15s;display:flex;align-items:center}.sidebar-user .logout-btn:hover{color:var(--danger);background:#e840571a}.main-content{flex:1;display:flex;flex-direction:column;background:var(--bg-primary);min-width:0;position:relative}.content-header{padding:14px 20px;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:10px;background:var(--bg-secondary)}.content-header h3{font-size:1rem;font-weight:600}.content-header .header-icon{color:var(--text-muted)}.welcome-view{flex:1;display:flex;align-items:center;justify-content:center;flex-direction:column;color:var(--text-muted)}.welcome-view h2{font-size:1.5rem;font-weight:600;color:var(--text-secondary);margin-bottom:8px}.welcome-view p{font-size:.9rem}.chat-container{flex:1;display:flex;flex-direction:column;min-height:0}.messages-list{flex:1;overflow-y:auto;padding:16px 20px;display:flex;flex-direction:column;gap:4px}.message-item{display:flex;gap:12px;padding:6px 8px;border-radius:var(--radius-sm);transition:background .1s}.message-item:hover{background:var(--bg-hover)}.message-avatar{width:36px;height:36px;border-radius:var(--radius-full);background:var(--bg-active);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.8rem;color:var(--accent);flex-shrink:0;margin-top:2px}.message-body{flex:1;min-width:0}.message-header{display:flex;align-items:baseline;gap:8px;margin-bottom:2px}.message-username{font-weight:600;font-size:.9rem;color:var(--text-primary)}.message-time{font-size:.7rem;color:var(--text-muted)}.message-content{font-size:.9rem;color:var(--text-secondary);word-break:break-word;line-height:1.4}.message-input-container{padding:12px 20px 16px;border-top:1px solid var(--border)}.message-input-wrapper{display:flex;gap:10px;background:var(--bg-tertiary);border:1px solid var(--border);border-radius:var(--radius-md);padding:4px 4px 4px 14px;transition:border-color .2s}.message-input-wrapper:focus-within{border-color:var(--accent)}.message-input-wrapper input{flex:1;background:none;border:none;outline:none;color:var(--text-primary);font-size:.9rem}.message-input-wrapper input::placeholder{color:var(--text-muted)}.message-send-btn{background:var(--accent);border:none;border-radius:var(--radius-sm);color:#fff;padding:8px 14px;cursor:pointer;transition:background .15s;display:flex;align-items:center}.message-send-btn:hover{background:var(--accent-hover)}.voice-container{flex:1;display:flex;flex-direction:column;min-height:0}.voice-users-grid{flex:1;display:flex;flex-wrap:wrap;gap:16px;padding:24px;align-content:flex-start;overflow-y:auto}.voice-user-card{width:180px;display:flex;flex-direction:column;align-items:center;padding:20px 16px;background:var(--bg-secondary);border:2px solid var(--border);border-radius:var(--radius-lg);transition:all .3s ease;position:relative}.voice-user-card.speaking{border-color:var(--success);box-shadow:0 0 20px var(--success-glow),0 0 40px #3cba6e26;animation:speakPulse 1.5s ease-in-out infinite}@keyframes speakPulse{0%,to{box-shadow:0 0 20px var(--success-glow),0 0 40px #3cba6e26}50%{box-shadow:0 0 30px var(--success-glow),0 0 60px #3cba6e40}}.voice-user-card.muted{opacity:.65}.voice-user-avatar{width:72px;height:72px;border-radius:var(--radius-full);background:linear-gradient(135deg,var(--accent),#8b9cf7);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:1.6rem;color:#fff;margin-bottom:12px;position:relative}.voice-user-avatar.has-video{width:160px;height:120px;border-radius:var(--radius-md);overflow:hidden;background:#000}.voice-user-avatar.has-video video{width:100%;height:100%;object-fit:cover}.voice-user-name{font-size:.85rem;font-weight:600;text-align:center;color:var(--text-primary);max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.voice-user-status{display:flex;gap:6px;margin-top:8px}.voice-user-status .status-icon{color:var(--text-muted);width:16px;height:16px}.voice-user-status .status-icon.active{color:var(--success)}.voice-user-status .status-icon.muted-icon{color:var(--danger)}.screen-share-viewer{flex:1;display:flex;flex-direction:column;background:#000;position:relative;min-height:0}.screen-share-viewer video{flex:1;width:100%;object-fit:contain;background:#000}.screen-share-label{position:absolute;top:12px;left:12px;background:#000000b3;color:#fff;padding:4px 12px;border-radius:var(--radius-sm);font-size:.8rem;font-weight:500;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.screen-share-settings{position:absolute;top:12px;right:12px;display:flex;gap:8px}.screen-share-settings select{background:#000000b3;color:#fff;border:1px solid rgba(255,255,255,.2);border-radius:var(--radius-sm);padding:4px 8px;font-size:.75rem;cursor:pointer;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.control-bar{height:var(--control-bar-height);min-height:var(--control-bar-height);background:var(--bg-tertiary);border-top:1px solid var(--border);display:flex;align-items:center;justify-content:center;gap:8px;padding:0 20px}.control-btn{width:42px;height:42px;border-radius:var(--radius-full);border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s;background:var(--bg-active);color:var(--text-primary)}.control-btn:hover{background:var(--bg-hover);transform:scale(1.08)}.control-btn.active{background:var(--accent);color:#fff}.control-btn.danger{background:var(--danger);color:#fff}.control-btn.danger:hover{background:var(--danger-hover)}.control-btn.muted-btn{background:#e8405733;color:var(--danger)}.control-btn .icon{width:20px;height:20px}.focused-mode{flex-direction:row;overflow:hidden}.focused-view{flex:1;background:#000;position:relative;display:flex;align-items:center;justify-content:center;border-right:1px solid var(--border)}.focused-video-wrapper{width:100%;height:100%;padding:20px}.focused-video-wrapper .voice-user-card{width:100%!important;height:100%!important;padding:0!important;background:transparent!important;border:none!important;box-shadow:none!important}.focused-video-wrapper .voice-user-avatar.has-video{width:100%!important;height:100%!important;border-radius:var(--radius-lg)}.back-to-grid{position:absolute;top:20px;right:20px;background:#0009;color:#fff;border:1px solid rgba(255,255,255,.2);padding:8px 16px;border-radius:var(--radius-full);display:flex;align-items:center;gap:8px;cursor:pointer;z-index:10;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);transition:background .2s}.back-to-grid:hover{background:#ffffff1a}.side-grid{width:260px;flex-wrap:nowrap;flex-direction:column;background:var(--bg-secondary);border-left:1px solid var(--border);padding:16px;gap:12px;overflow-y:auto;align-content:stretch}.side-grid .voice-user-card{width:100%;padding:12px}.side-grid .voice-user-avatar{width:42px;height:42px;font-size:1rem}.side-grid .voice-user-avatar.has-video{width:100%;height:120px}.focus-hint{position:absolute;top:10px;right:10px;background:#0006;color:#fff;width:32px;height:32px;border-radius:var(--radius-full);display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .2s;pointer-events:none}.voice-user-card.has-cam:hover .focus-hint{opacity:1}.screen-card{cursor:pointer}@media(max-width:900px){.side-grid{width:200px}}@media(max-width:640px){.focused-mode{flex-direction:column}.focused-view{height:60%;border-right:none;border-bottom:3px solid var(--border)}.side-grid{width:100%;height:40%;flex-direction:row;overflow-x:auto;overflow-y:hidden}.side-grid .voice-user-card{width:140px;flex-shrink:0}.voice-user-card{width:160px;padding:18px 14px}.voice-user-avatar{width:64px;height:64px}.voice-user-avatar.has-video{width:140px;height:100px}}.quality-modal{position:absolute;bottom:70px;left:50%;transform:translate(-50%);background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-md);padding:16px 20px;box-shadow:0 10px 40px #0006;z-index:100;min-width:220px}.quality-modal h4{font-size:.8rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;margin-bottom:10px}.quality-option{display:flex;align-items:center;gap:8px;padding:8px 10px;border-radius:var(--radius-sm);cursor:pointer;font-size:.85rem;color:var(--text-secondary);transition:all .15s}.quality-option:hover{background:var(--bg-hover);color:var(--text-primary)}.quality-option.selected{background:var(--accent-glow);color:var(--accent)}.quality-option .dot{width:8px;height:8px;border-radius:var(--radius-full);border:2px solid currentColor}.quality-option.selected .dot{background:var(--accent)}.fade-in{animation:fadeIn .3s ease}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;color:var(--text-muted);gap:8px}.empty-state svg{opacity:.3;margin-bottom:4px}.settings-modal{position:absolute;bottom:70px;left:50%;transform:translate(-50%);background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-md);padding:18px 22px;box-shadow:0 10px 40px #0006;z-index:100;min-width:280px;max-width:90vw}.settings-modal h4{font-size:.8rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;margin-bottom:12px}.settings-section{margin-bottom:16px}.settings-section:last-child{margin-bottom:0}.settings-section-title{font-size:.75rem;font-weight:600;color:var(--text-secondary);margin-bottom:8px;text-transform:uppercase;letter-spacing:.3px}.settings-select{width:100%;padding:8px 12px;background:var(--bg-primary);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-primary);font-size:.85rem;font-family:var(--font);cursor:pointer;outline:none;transition:border-color .2s;-webkit-appearance:none;-moz-appearance:none;appearance:none}.settings-select:focus{border-color:var(--accent)}.settings-divider{height:1px;background:var(--border);margin:14px 0}.mobile-menu-btn{display:none;background:none;border:none;color:var(--text-primary);cursor:pointer;padding:4px}.sidebar-overlay{display:none}@media(max-width:900px){:root{--sidebar-width: 220px}.voice-user-card{width:150px;padding:16px 12px}.voice-user-avatar{width:56px;height:56px;font-size:1.3rem}.voice-user-avatar.has-video{width:130px;height:100px}.voice-users-grid{gap:12px;padding:16px}.auth-card{padding:36px 28px}}@media(max-width:640px){:root{--sidebar-width: 260px;--control-bar-height: 52px}.sidebar{position:fixed;top:0;left:0;height:100%;z-index:200;transform:translate(-100%);transition:transform .25s ease;box-shadow:none}.sidebar.open{transform:translate(0);box-shadow:4px 0 30px #00000080}.sidebar-overlay{display:none;position:fixed;top:0;left:0;right:0;bottom:0;background:#00000080;z-index:199}.sidebar-overlay.visible{display:block}.mobile-menu-btn{display:flex;align-items:center;justify-content:center}.content-header{padding:10px 14px}.content-header h3{font-size:.9rem}.voice-users-grid{gap:10px;padding:12px;justify-content:center}.voice-user-card{width:130px;padding:14px 10px}.voice-user-avatar{width:48px;height:48px;font-size:1.1rem;margin-bottom:8px}.voice-user-avatar.has-video{width:110px;height:80px}.voice-user-name{font-size:.75rem}.control-bar{gap:6px;padding:0 12px}.control-btn{width:38px;height:38px}.messages-list{padding:10px 12px}.message-input-container{padding:8px 12px 12px}.message-avatar{width:30px;height:30px;font-size:.7rem}.message-username,.message-content{font-size:.8rem}.auth-card{padding:32px 24px;margin:16px}.auth-card .logo h1{font-size:1.5rem}.auth-card .greeting{font-size:1rem;margin-bottom:24px}.settings-modal,.quality-modal{left:12px;right:12px;transform:none;min-width:auto}}@media(max-width:400px){.voice-users-grid{gap:8px;padding:8px}.voice-user-card{width:110px;padding:10px 8px}.voice-user-avatar{width:40px;height:40px;font-size:1rem}.control-btn{width:34px;height:34px}.control-btn svg{width:16px;height:16px}}