:root{--primary: #6c5ce7;--primary-dark: #5a4bd1;--primary-light: #a29bfe;--secondary: #fd79a8;--bg: #f8f9fa;--bg-card: #ffffff;--text: #2d3436;--text-light: #636e72;--border: #e0e0e0;--success: #00b894;--danger: #e17055;--warning: #fdcb6e;--radius: 12px;--shadow: 0 2px 12px rgba(0,0,0,.08)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);line-height:1.6}.top-bar{display:flex;align-items:center;justify-content:space-between;padding:0 24px;height:60px;background:#fff;border-bottom:1px solid var(--border);position:sticky;top:0;z-index:100}.logo{display:flex;align-items:center;gap:8px;cursor:pointer;font-size:1.4rem;font-weight:700}.logo-icon{font-size:1.8rem}.logo-text{color:var(--primary)}.nav-links{display:flex;gap:20px}.nav-links a{color:var(--text-light);text-decoration:none;font-size:.95rem;font-weight:500;padding:8px 0;border-bottom:2px solid transparent;transition:all .2s}.nav-links a:hover{color:var(--primary);border-bottom-color:var(--primary)}.auth-section{display:flex;align-items:center;gap:12px}.user-name{font-weight:500;color:var(--text)}.main-content{max-width:1200px;margin:0 auto;padding:24px;min-height:calc(100vh - 120px)}.footer{text-align:center;padding:20px;color:var(--text-light);font-size:.85rem;border-top:1px solid var(--border)}.btn{display:inline-flex;align-items:center;gap:6px;padding:10px 20px;border-radius:8px;border:none;font-size:.9rem;font-weight:500;cursor:pointer;text-decoration:none;transition:all .2s}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-dark)}.btn-outline{background:transparent;border:1px solid var(--border);color:var(--text)}.btn-outline:hover{border-color:var(--primary);color:var(--primary)}.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover{opacity:.9}.btn-sm{padding:6px 14px;font-size:.85rem}.btn-block{width:100%;justify-content:center}.card{background:var(--bg-card);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px;margin-bottom:16px}.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:16px}.form-group{margin-bottom:16px}.form-group label{display:block;margin-bottom:6px;font-weight:500;font-size:.9rem}.form-control{width:100%;padding:10px 14px;border:1px solid var(--border);border-radius:8px;font-size:.95rem;transition:border-color .2s}.form-control:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #6c5ce71a}textarea.form-control{min-height:100px;resize:vertical}.hero{text-align:center;padding:60px 20px}.hero-icon{font-size:6rem;margin-bottom:16px;display:block}.hero h1{font-size:3rem;background:linear-gradient(135deg,var(--primary),var(--secondary));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:12px}.hero p{font-size:1.2rem;color:var(--text-light);max-width:600px;margin:0 auto 32px}.hero-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}.features{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:20px;margin-top:40px}.feature-card{text-align:center;padding:32px 20px}.feature-card .icon{font-size:2.5rem;margin-bottom:12px;display:block}.feature-card h3{margin-bottom:8px}.feature-card p{color:var(--text-light);font-size:.9rem}.auth-page{max-width:400px;margin:60px auto}.auth-page h2{text-align:center;margin-bottom:24px}.auth-error{background:#fff5f5;color:var(--danger);padding:10px 14px;border-radius:8px;margin-bottom:16px;font-size:.9rem}.bot-card{cursor:pointer;transition:transform .2s}.bot-card:hover{transform:translateY(-2px)}.bot-avatar{width:64px;height:64px;border-radius:50%;background:var(--primary-light);display:flex;align-items:center;justify-content:center;font-size:2rem;color:#fff;margin-bottom:12px}.bot-card h3{margin-bottom:4px}.bot-card .owner{font-size:.85rem;color:var(--text-light);margin-bottom:8px}.bot-card .character{font-size:.9rem;color:var(--text);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.chat-container{display:grid;grid-template-columns:300px 1fr;gap:0;height:calc(100vh - 140px);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;background:#fff}.chat-sidebar{border-right:1px solid var(--border);overflow-y:auto;padding:16px}.room-list-item{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:8px;cursor:pointer;transition:background .2s}.room-list-item:hover{background:var(--bg)}.room-list-item.active{background:var(--primary);color:#fff}.chat-main{display:flex;flex-direction:column}.chat-header{padding:16px;border-bottom:1px solid var(--border);font-weight:600}.chat-messages{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:12px}.message{display:flex;gap:10px;max-width:80%}.message.user{align-self:flex-end}.message.bot{align-self:flex-start}.message-avatar{width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.2rem;flex-shrink:0}.message-body{padding:10px 14px;border-radius:12px;font-size:.9rem}.message.user .message-body{background:var(--primary);color:#fff;border-bottom-right-radius:4px}.message.bot .message-body{background:var(--bg);border-bottom-left-radius:4px}.message-sender{font-size:.8rem;font-weight:600;margin-bottom:4px}.message-time{font-size:.75rem;color:var(--text-light);margin-top:4px}.chat-input-area{display:flex;gap:8px;padding:16px;border-top:1px solid var(--border)}.chat-input-area input{flex:1}.loading-container{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:60vh;gap:16px;color:var(--text-light)}.loading-spinner{width:40px;height:40px;border:4px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.tag{display:inline-block;padding:2px 10px;border-radius:20px;font-size:.8rem;font-weight:500}.tag-public{background:#e8f5e9;color:#2e7d32}.tag-private{background:#fff3e0;color:#e65100}.tag-admin{background:#e8eaf6;color:var(--primary)}.tag-user{background:var(--bg);color:var(--text-light)}.mt-2{margin-top:8px}.mt-4{margin-top:16px}.mb-2{margin-bottom:8px}.mb-4{margin-bottom:16px}.flex{display:flex}.flex-wrap{flex-wrap:wrap}.gap-2{gap:8px}.gap-4{gap:16px}.items-center{align-items:center}.justify-between{justify-content:space-between}.text-center{text-align:center}.text-light{color:var(--text-light)}.not-found{text-align:center;padding:80px 20px}.not-found h2{font-size:2rem;margin-bottom:12px}.not-found p{color:var(--text-light);margin-bottom:20px}@media(max-width:768px){.chat-container{grid-template-columns:1fr}.chat-sidebar{display:none}.hero h1{font-size:2rem}.card-grid,.features{grid-template-columns:1fr}}