@import"https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap";*{margin:0;padding:0;box-sizing:border-box}:root{--bg: #09090b;--surface: rgba(24, 24, 27, .7);--surface-hover: rgba(39, 39, 42, .8);--border: rgba(255, 255, 255, .08);--text: #ffffff;--muted: #a1a1aa;--accent: #8b5cf6;--accent-glow: rgba(139, 92, 246, .3);--accent-gradient: linear-gradient(135deg, #8b5cf6 0%, #3b82f6 100%);--green: #10b981}body{font-family:Plus Jakarta Sans,system-ui,sans-serif;background:var(--bg);background-image:radial-gradient(circle at top left,rgba(139,92,246,.15),transparent 400px),radial-gradient(circle at bottom right,rgba(59,130,246,.15),transparent 400px);color:var(--text);height:100vh;overflow:hidden}.auth-screen{display:flex;align-items:center;justify-content:center;height:100vh}.auth-card{background:var(--surface);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid var(--border);border-radius:24px;padding:48px 40px;width:380px;text-align:center;box-shadow:0 8px 32px #0006;animation:fadeIn .4s ease-out forwards}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.auth-card h1{font-size:32px;font-weight:800;margin-bottom:12px;background:var(--accent-gradient);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.auth-card p{color:var(--muted);margin-bottom:32px;font-size:15px;line-height:1.6}.auth-card input{width:100%;padding:14px 16px;border:1px solid var(--border);border-radius:12px;background:#0000004d;color:var(--text);font-size:15px;outline:none;margin-bottom:16px;transition:border-color .2s}.auth-card input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow)}.auth-card button{width:100%;padding:14px;border:none;border-radius:12px;background:var(--accent-gradient);color:#fff;font-size:15px;font-weight:700;cursor:pointer;transition:transform .2s,box-shadow .2s;margin-top:8px}.auth-card button:hover{transform:translateY(-2px);box-shadow:0 6px 20px var(--accent-glow)}.error{color:#f87171;font-size:13px;margin-bottom:12px;font-weight:500}.chat-app{display:flex;height:100vh}.room-list{width:280px;background:#0f0f12cc;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-right:1px solid var(--border);display:flex;flex-direction:column;z-index:10}.room-header{padding:20px;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center}.room-header h2{font-size:18px;font-weight:700;letter-spacing:-.02em}.user-badge{background:var(--surface);border:1px solid var(--border);color:var(--text);padding:4px 12px;border-radius:100px;font-size:12px;font-weight:600;display:flex;align-items:center;gap:6px}.user-badge:before{content:"";display:block;width:6px;height:6px;background:var(--green);border-radius:50%;box-shadow:0 0 8px var(--green)}.rooms{flex:1;padding:12px;overflow-y:auto}.room-item{display:flex;align-items:center;gap:12px;width:100%;padding:12px 14px;border:1px solid transparent;border-radius:12px;background:none;color:var(--muted);cursor:pointer;font-size:15px;font-weight:500;text-align:left;transition:all .2s ease;margin-bottom:4px}.room-item:hover{background:var(--surface);color:var(--text)}.room-item.active{background:var(--surface-hover);color:var(--text);border-color:var(--border);box-shadow:0 4px 12px #0003}.room-hash{color:var(--accent);font-weight:800;font-size:16px}.unread-badge{background:var(--accent-gradient);color:#fff;border-radius:100px;padding:2px 8px;font-size:11px;font-weight:700;margin-left:auto;box-shadow:0 2px 8px var(--accent-glow)}.logout-btn{margin:16px;padding:10px;border:1px solid var(--border);border-radius:12px;background:#0003;color:var(--muted);cursor:pointer;font-size:13px;font-weight:600;transition:all .2s}.logout-btn:hover{background:#ef44441a;color:#ef4444;border-color:#ef44444d}.chat-room{flex:1;display:flex;flex-direction:column;background:transparent}.chat-header{padding:16px 24px;border-bottom:1px solid var(--border);background:#18181b66;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);display:flex;align-items:center;gap:16px}.chat-header h3{font-size:18px;font-weight:700;display:flex;align-items:center;gap:8px}.chat-header h3:before{content:"#";color:var(--accent)}.online-count{color:var(--green);font-size:13px;font-weight:500;display:flex;align-items:center;gap:6px;background:#10b9811a;padding:4px 12px;border-radius:100px}.mobile-menu{display:none;background:none;border:none;color:var(--text);font-size:24px;cursor:pointer;padding:4px}.messages{flex:1;overflow-y:auto;padding:24px;display:flex;flex-direction:column;gap:6px}.empty-state{text-align:center;color:var(--muted);padding:60px 0;margin:auto}.message{display:flex;gap:14px;padding:4px 0;max-width:85%}.message.with-avatar{margin-top:16px}.message.own{align-self:flex-end;flex-direction:row-reverse}.avatar{width:38px;height:38px;border-radius:12px;background:var(--accent-gradient);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;flex-shrink:0;box-shadow:0 4px 12px var(--accent-glow)}.message.own .avatar{background:linear-gradient(135deg,#3b82f6,#06b6d4);box-shadow:0 4px 12px #3b82f64d}.message-content{min-width:0}.message-header{display:flex;gap:10px;align-items:baseline;margin-bottom:6px}.message.own .message-header{flex-direction:row-reverse}.username{font-weight:700;font-size:14px;letter-spacing:-.01em}.timestamp{color:var(--muted);font-size:11px;font-weight:500}.message-text{background:var(--surface);padding:12px 16px;border-radius:4px 16px 16px;font-size:15px;line-height:1.5;word-break:break-word;color:#e4e4e7;border:1px solid var(--border);box-shadow:0 4px 12px #0000001a}.message.own .message-text{background:var(--accent-gradient);color:#fff;border-radius:16px 4px 16px 16px;border:none;box-shadow:0 4px 16px var(--accent-glow)}.input-area{padding:16px 24px;border-top:1px solid var(--border);background:#18181b99;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);display:flex;gap:12px;align-items:flex-end}.input-area textarea{flex:1;padding:14px 18px;border:1px solid var(--border);border-radius:16px;background:#0003;color:var(--text);font-size:15px;font-family:inherit;resize:none;outline:none;transition:all .2s;line-height:1.5;max-height:120px}.input-area textarea:focus{border-color:var(--accent);background:#0006;box-shadow:0 0 0 3px var(--accent-glow)}.send-btn{padding:14px 24px;border:none;border-radius:14px;background:var(--accent-gradient);color:#fff;font-weight:700;font-size:15px;cursor:pointer;transition:all .2s;height:50px;display:flex;align-items:center;box-shadow:0 4px 12px var(--accent-glow)}.send-btn:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 6px 16px var(--accent-glow)}.send-btn:disabled{opacity:.5;cursor:not-allowed;filter:grayscale(1);box-shadow:none;transform:none}@media (max-width: 768px){.room-list{position:fixed;left:-100%;width:85%;height:100%;z-index:50;transition:left .3s cubic-bezier(.4,0,.2,1);box-shadow:0 0 40px #00000080}.room-list.visible{left:0}.mobile-menu{display:block}.message{max-width:95%}.auth-card{width:90%;max-width:380px;padding:32px 24px}}