.login-screen{height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg-primary);position:relative;overflow:hidden}.login-bg-orb{position:absolute;border-radius:50%;filter:blur(100px);opacity:.3;pointer-events:none}.login-bg-orb--1{width:400px;height:400px;background:var(--accent);top:-100px;left:-100px}.login-bg-orb--2{width:350px;height:350px;background:#e84393;bottom:-80px;right:-80px}.login-card{background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-xl);padding:48px 40px;width:400px;max-width:90vw;text-align:center;position:relative;z-index:1;box-shadow:var(--shadow-lg)}.login-logo{margin-bottom:16px}.login-title{font-size:28px;font-weight:700;margin-bottom:6px;background:linear-gradient(135deg,var(--text-primary),var(--accent));-webkit-background-clip:text;-webkit-text-fill-color:transparent}.login-subtitle{color:var(--text-secondary);font-size:14px;margin-bottom:32px}.login-form{display:flex;flex-direction:column;gap:14px}.login-input-group{position:relative}.login-input-group input{width:100%;padding:14px 60px 14px 16px;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-md);color:var(--text-primary);font-size:15px;outline:none;transition:border-color var(--transition),box-shadow var(--transition)}.login-input-group input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow)}.login-input-group input::placeholder{color:var(--text-muted)}.login-char-count{position:absolute;right:14px;top:50%;transform:translateY(-50%);font-size:12px;color:var(--text-muted)}.login-error{color:var(--red);font-size:13px;text-align:left}.login-btn{width:100%;padding:14px;background:var(--accent);color:#fff;border-radius:var(--radius-md);font-size:15px;font-weight:600;transition:background var(--transition),transform var(--transition);display:flex;align-items:center;justify-content:center;min-height:48px}.login-btn:hover:not(:disabled){background:var(--accent-hover);transform:translateY(-1px)}.login-btn:disabled{opacity:.5;cursor:not-allowed}.login-spinner{width:20px;height:20px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .6s linear infinite}.avatar{border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:600;flex-shrink:0;position:relative;-webkit-user-select:none;user-select:none}.avatar-online{position:absolute;bottom:0;right:0;width:10px;height:10px;background:var(--green);border:2px solid var(--bg-secondary);border-radius:50%;box-shadow:0 0 6px var(--green-glow)}.active-users{width:260px;min-width:220px;background:var(--bg-secondary);border-right:1px solid var(--border);display:flex;flex-direction:column;height:100%}.au-header{padding:20px 20px 12px;border-bottom:1px solid var(--border)}.au-title{font-size:14px;font-weight:600;text-transform:uppercase;letter-spacing:.8px;color:var(--text-secondary);display:flex;align-items:center;gap:8px}.au-dot{width:8px;height:8px;background:var(--green);border-radius:50%;box-shadow:0 0 8px var(--green-glow);animation:pulse 2s infinite}.au-count{background:var(--surface-elevated);padding:2px 8px;border-radius:var(--radius-full);font-size:11px;color:var(--text-muted);margin-left:auto}.au-list{flex:1;overflow-y:auto;padding:8px}.au-empty{text-align:center;color:var(--text-muted);font-size:13px;padding:24px 16px}.au-user{width:100%;display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:var(--radius-md);transition:background var(--transition);text-align:left}.au-user:hover{background:var(--bg-hover)}.au-user--active{background:var(--accent-subtle);border:1px solid var(--accent-glow)}.au-username{font-size:14px;font-weight:500;color:var(--text-primary);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.au-footer{padding:14px 16px;border-top:1px solid var(--border);display:flex;align-items:center;gap:10px;background:var(--bg-tertiary)}.au-current{font-size:13px;font-weight:600;color:var(--text-primary)}.au-you{font-size:11px;font-weight:400;color:var(--text-muted)}.au-badge{margin-left:auto;min-width:20px;height:20px;padding:0 6px;background:var(--accent);color:#fff;font-size:11px;font-weight:700;border-radius:var(--radius-full);display:flex;align-items:center;justify-content:center;animation:fadeIn .2s ease;box-shadow:0 0 8px var(--accent-glow)}.au-user--unread{background:var(--accent-subtle)}.msg-row{display:flex;gap:8px;align-items:flex-end;animation:fadeIn .2s ease}.msg-row--own{flex-direction:row-reverse}.msg-avatar-spacer{width:32px;flex-shrink:0}.msg-bubble{max-width:70%;padding:10px 14px;background:var(--surface);border-radius:16px 16px 16px 4px;position:relative}.msg-bubble--own{background:var(--accent);border-radius:16px 16px 4px}.msg-sender{display:block;font-size:12px;font-weight:600;color:var(--accent);margin-bottom:2px}.msg-bubble--own .msg-sender{color:#ffffffb3}.msg-text{font-size:14px;line-height:1.45;word-break:break-word;white-space:pre-wrap}.msg-bubble--own .msg-text{color:#fff}.msg-time{display:block;font-size:10px;color:var(--text-muted);margin-top:4px;text-align:right}.msg-bubble--own .msg-time{color:#ffffff80}.chat-input{display:flex;gap:8px;padding:16px;border-top:1px solid var(--border);background:var(--bg-secondary)}.chat-input input{flex:1;padding:12px 16px;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-full);color:var(--text-primary);font-size:14px;outline:none;transition:border-color var(--transition),box-shadow var(--transition)}.chat-input input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow)}.chat-input input::placeholder{color:var(--text-muted)}.chat-input input:disabled{opacity:.5}.chat-input button{width:44px;height:44px;background:var(--accent);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;transition:background var(--transition),transform var(--transition);flex-shrink:0}.chat-input button:hover:not(:disabled){background:var(--accent-hover);transform:scale(1.05)}.chat-input button:disabled{opacity:.4;cursor:not-allowed}.typing-indicator{display:flex;align-items:center;gap:8px;padding:4px 16px 8px;min-height:24px}.typing-dots{display:flex;gap:3px}.typing-dots span{width:6px;height:6px;background:var(--text-muted);border-radius:50%;animation:dotBounce 1.4s infinite ease-in-out both}.typing-dots span:nth-child(1){animation-delay:-.32s}.typing-dots span:nth-child(2){animation-delay:-.16s}.typing-text{font-size:12px;color:var(--text-muted);font-style:italic}.group-chat{flex:1;display:flex;flex-direction:column;min-width:0;background:var(--bg-primary);border-right:1px solid var(--border)}.gc-header{padding:16px 20px;border-bottom:1px solid var(--border);background:var(--bg-secondary)}.gc-header-info{display:flex;align-items:center;justify-content:space-between}.gc-title{font-size:16px;font-weight:600;display:flex;align-items:center;gap:8px;color:var(--text-primary)}.gc-title svg{color:var(--accent)}.gc-status{font-size:12px;padding:4px 10px;border-radius:var(--radius-full);font-weight:500}.gc-status--connected{color:var(--green);background:#2ed5731a}.gc-status--reconnecting{color:var(--orange);background:#ffa5021a;animation:pulse 1.5s infinite}.gc-status--disconnected,.gc-status--connecting{color:var(--text-muted);background:var(--surface)}.gc-messages{flex:1;overflow-y:auto;padding:16px 20px;display:flex;flex-direction:column;gap:6px}.gc-empty{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;color:var(--text-muted);font-size:14px}.private-chat{width:320px;min-width:280px;background:var(--bg-secondary);display:flex;flex-direction:column;height:100%;border-left:1px solid var(--border)}.pc-empty{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;padding:24px;text-align:center}.pc-empty h3{font-size:16px;color:var(--text-secondary);font-weight:600}.pc-empty p{font-size:13px;color:var(--text-muted);line-height:1.5;max-width:200px}.pc-header{padding:14px 16px;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:10px;background:var(--bg-secondary)}.pc-header-info{flex:1;min-width:0}.pc-header-name{font-size:15px;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.pc-header-status{font-size:11px;color:var(--text-muted)}.pc-close{width:32px;height:32px;border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;color:var(--text-muted);transition:background var(--transition),color var(--transition)}.pc-close:hover{background:var(--bg-hover);color:var(--text-primary)}.pc-messages{flex:1;overflow-y:auto;padding:16px 14px;display:flex;flex-direction:column;gap:6px}.pc-msg-empty{flex:1;display:flex;align-items:center;justify-content:center;color:var(--text-muted);font-size:13px;text-align:center;padding:20px}.app-layout{height:100vh;display:flex;flex-direction:column;overflow:hidden}.app-header{display:flex;align-items:center;justify-content:space-between;padding:10px 20px;background:var(--bg-secondary);border-bottom:1px solid var(--border);flex-shrink:0}.app-header-left{display:flex;align-items:center;gap:10px}.app-header-title{font-size:18px;font-weight:700;background:linear-gradient(135deg,var(--text-primary),var(--accent));-webkit-background-clip:text;-webkit-text-fill-color:transparent}.app-logout{display:flex;align-items:center;gap:6px;padding:8px 14px;border-radius:var(--radius-md);font-size:13px;font-weight:500;color:var(--text-secondary);transition:background var(--transition),color var(--transition)}.app-logout:hover{background:var(--bg-hover);color:var(--red)}.app-main{flex:1;display:flex;overflow:hidden}.error-toast{position:fixed;top:16px;left:50%;transform:translate(-50%);background:var(--red);color:#fff;padding:10px 20px;border-radius:var(--radius-md);font-size:13px;font-weight:500;z-index:1000;display:flex;align-items:center;gap:12px;box-shadow:var(--shadow-lg)}.error-toast button{color:#ffffffb3;font-size:16px;transition:color var(--transition)}.error-toast button:hover{color:#fff}.session-replaced{height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg-primary)}.sr-card{background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-xl);padding:40px;text-align:center;max-width:400px;display:flex;flex-direction:column;align-items:center;gap:14px;box-shadow:var(--shadow-lg)}.sr-card h2{font-size:20px;font-weight:700}.sr-card p{font-size:14px;color:var(--text-secondary);line-height:1.5}.sr-btn{margin-top:8px;padding:12px 28px;background:var(--accent);color:#fff;border-radius:var(--radius-md);font-weight:600;font-size:14px;transition:background var(--transition)}.sr-btn:hover{background:var(--accent-hover)}.connecting-screen{height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg-primary)}.connecting-card{text-align:center;display:flex;flex-direction:column;align-items:center;gap:16px}.connecting-card h2{font-size:18px;font-weight:600;color:var(--text-primary)}.connecting-card p{font-size:13px;color:var(--text-muted)}.connecting-spinner{width:40px;height:40px;border:3px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@media(max-width:900px){.active-users{width:60px;min-width:60px}.au-header,.au-footer .au-current,.au-username{display:none}.au-footer{justify-content:center}.au-user{justify-content:center;padding:8px}.private-chat{width:260px;min-width:200px}}@media(max-width:640px){.private-chat{display:none}}:root{--bg-primary: #0f0f14;--bg-secondary: #16161e;--bg-tertiary: #1c1c28;--bg-hover: #22222e;--bg-input: #1a1a26;--surface: #1e1e2a;--surface-elevated: #252536;--border: #2a2a3a;--border-light: #33334a;--text-primary: #e8e8f0;--text-secondary: #9090a8;--text-muted: #606078;--text-inverse: #0f0f14;--accent: #6c5ce7;--accent-hover: #7d6ff0;--accent-glow: rgba(108, 92, 231, .25);--accent-subtle: rgba(108, 92, 231, .1);--green: #2ed573;--green-glow: rgba(46, 213, 115, .3);--red: #ff4757;--orange: #ffa502;--blue: #3b82f6;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 14px;--radius-xl: 20px;--radius-full: 9999px;--shadow-sm: 0 1px 3px rgba(0,0,0,.3);--shadow-md: 0 4px 12px rgba(0,0,0,.4);--shadow-lg: 0 8px 30px rgba(0,0,0,.5);--font: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;--transition: .15s ease}*,*: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}input,button,textarea{font-family:inherit;font-size:inherit}button{cursor:pointer;border:none;background:none;color:inherit}::-webkit-scrollbar{width:5px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border);border-radius:10px}::-webkit-scrollbar-thumb:hover{background:var(--border-light)}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes slideInLeft{0%{opacity:0;transform:translate(-16px)}to{opacity:1;transform:translate(0)}}@keyframes slideInRight{0%{opacity:0;transform:translate(16px)}to{opacity:1;transform:translate(0)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.4}}@keyframes dotBounce{0%,80%,to{transform:scale(0)}40%{transform:scale(1)}}@keyframes glowPulse{0%,to{box-shadow:0 0 5px var(--accent-glow)}50%{box-shadow:0 0 20px var(--accent-glow),0 0 40px #6c5ce71a}}.animate-fade{animation:fadeIn .3s ease forwards}.animate-slide-left{animation:slideInLeft .3s ease forwards}.animate-slide-right{animation:slideInRight .3s ease forwards}