:root{--primary-color: #128C7E;--primary-dark: #075E54;--secondary-color: #25D366;--accent-color: #34B7F1;--bg-main: #0a0e27;--bg-secondary: #111827;--bg-tertiary: #1f2937;--bg-chat: #0d1117;--text-primary: #ffffff;--text-secondary: #9ca3af;--border-color: #374151;--hover-bg: #1f2937;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .3);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .3);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .5);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .5)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:var(--bg-main);color:var(--text-primary);line-height:1.6}.app{display:flex;flex-direction:column;height:100vh;overflow:hidden}.header{background:linear-gradient(135deg,var(--primary-dark) 0%,var(--primary-color) 100%);box-shadow:var(--shadow-lg);z-index:100;border-bottom:1px solid rgba(255,255,255,.1)}.header-content{display:flex;align-items:center;justify-content:space-between;padding:1rem 2rem;max-width:1920px;margin:0 auto}.logo{display:flex;align-items:center;gap:1rem}.logo svg{color:var(--text-primary);filter:drop-shadow(0 2px 4px rgba(0,0,0,.3))}.logo h1{font-size:1.5rem;font-weight:600;letter-spacing:-.5px;margin:0;color:var(--text-primary);text-shadow:0 2px 4px rgba(0,0,0,.2)}.header-status{display:flex;align-items:center;gap:.5rem;padding:.5rem 1rem;background:#ffffff26;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:20px;font-size:.875rem;font-weight:500}.status-dot{width:8px;height:8px;background:var(--secondary-color);border-radius:50%;animation:pulse 2s ease-in-out infinite;box-shadow:0 0 #25d366b3}@keyframes pulse{0%,to{box-shadow:0 0 #25d366b3}50%{box-shadow:0 0 0 8px #25d36600}}.main-content{flex:1;overflow:hidden;background:var(--bg-main)}.card{background:var(--bg-secondary);border-radius:12px;padding:1.5rem;box-shadow:var(--shadow-md);margin-bottom:1rem;border:1px solid var(--border-color)}.card h2{margin-bottom:1rem;color:var(--text-primary);font-size:1.25rem;font-weight:600}.card-header{display:flex;justify-content:space-between;align-items:center;gap:.75rem;margin-bottom:1rem}.form-group{margin-bottom:1rem}.form-group label{display:block;margin-bottom:.5rem;color:var(--text-secondary);font-weight:500;font-size:.875rem}.form-group input,.form-group textarea,.form-group select{width:100%;padding:.75rem;border:1px solid var(--border-color);border-radius:8px;font-size:1rem;background:var(--bg-tertiary);color:var(--text-primary);transition:all .2s}.form-group input:focus,.form-group textarea:focus,.form-group select:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px #128c7e1a}.form-group textarea{resize:vertical;min-height:100px}.stacked-form{display:flex;flex-direction:column;gap:.5rem}.inline-form{display:flex;gap:.5rem;align-items:center}button{background:var(--primary-color);color:#fff;border:none;padding:.75rem 1.5rem;border-radius:8px;cursor:pointer;font-size:1rem;font-weight:500;transition:all .2s;box-shadow:var(--shadow-sm)}button:hover{background:var(--primary-dark);transform:translateY(-1px);box-shadow:var(--shadow-md)}button:active{transform:translateY(0)}button:disabled{background:var(--border-color);cursor:not-allowed;transform:none}button.danger{background:#ef4444}button.danger:hover{background:#dc2626}button.secondary{background:var(--bg-tertiary);color:var(--text-primary)}button.secondary:hover{background:var(--hover-bg)}.list{list-style:none}.list-item{padding:1rem;border:1px solid var(--border-color);border-radius:8px;margin-bottom:.5rem;display:flex;justify-content:space-between;align-items:center;background:var(--bg-tertiary);transition:all .2s}.list-item:hover{background:var(--hover-bg);border-color:var(--primary-color);transform:translate(4px)}.list-item.active{border:2px solid var(--primary-color);background:#128c7e1a}.list-item-content{flex:1}.list-item-content h3,.item-title{color:var(--text-primary);margin-bottom:.25rem;font-weight:600}.list-item-content p{color:var(--text-secondary);font-size:.9rem}.list-item-actions{display:flex;gap:.5rem}.list-item-actions button{padding:.5rem 1rem;font-size:.9rem}.pill-list{display:flex;gap:.5rem;flex-wrap:wrap;list-style:none;padding:0}.pill-list li{padding:.5rem 1rem;border:1px solid var(--border-color);border-radius:999px;cursor:pointer;background:var(--bg-tertiary);color:var(--text-secondary);transition:all .2s;font-size:.875rem}.pill-list li:hover{border-color:var(--primary-color);color:var(--text-primary);background:#128c7e1a}.pill-list li.active{border-color:var(--primary-color);background:var(--primary-color);color:#fff}.scrollable{max-height:240px;overflow-y:auto}.messages-card{flex:1;display:flex;flex-direction:column}.messages-list{flex:1;overflow-y:auto;display:flex;flex-direction:column;gap:.75rem;padding:1rem 0}.message-row{border:1px solid var(--border-color);border-radius:12px;padding:1rem;background:var(--bg-tertiary);transition:all .2s}.message-row:hover{background:var(--hover-bg);border-color:var(--primary-color)}.message-meta{display:flex;justify-content:space-between;margin-bottom:.5rem;color:var(--text-secondary);font-size:.875rem}.presence-meta{font-size:.9rem;color:var(--text-secondary);margin-bottom:.5rem}.composer textarea{min-height:110px}.composer-actions{display:flex;gap:.5rem;align-items:center;margin-top:.5rem}.composer-actions input[type=file]{flex:1;padding:.5rem;border:1px solid var(--border-color);border-radius:8px;background:var(--bg-tertiary);color:var(--text-primary)}.search-box{display:flex;gap:.5rem;margin-bottom:1rem}.search-box input{flex:1}.chat-layout{display:grid;grid-template-columns:300px 1fr 340px;gap:1.5rem;align-items:flex-start;height:100%;padding:1.5rem;max-width:1920px;margin:0 auto}.chat-sidebar,.chat-main,.chat-utility{display:flex;flex-direction:column;gap:1rem;height:100%}.chat-main{overflow:hidden}.error{background:#ef4444;color:#fff;padding:1rem;border-radius:8px;margin-bottom:1rem;font-size:.875rem;line-height:1.5;word-wrap:break-word}.loading,.empty{text-align:center;padding:2rem;color:var(--text-secondary)}.status-message{margin-top:.75rem;color:var(--secondary-color);font-weight:500;font-size:.875rem}.bot-reply{margin-top:.5rem;background:#128c7e1a;border-left:4px solid var(--primary-color);padding:.75rem;border-radius:8px;color:var(--text-primary)}.toast{position:fixed;bottom:1rem;right:1rem;padding:1rem 1.5rem;border-radius:8px;color:#fff;box-shadow:var(--shadow-xl);animation:slideIn .3s ease-out}.toast-error{background:#ef4444}@keyframes slideIn{0%{transform:translateY(100%);opacity:0}to{transform:translateY(0);opacity:1}}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg-secondary)}::-webkit-scrollbar-thumb{background:var(--border-color);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#4b5563}@media (max-width: 1400px){.chat-layout{grid-template-columns:280px 1fr 300px}}@media (max-width: 1200px){.chat-layout{grid-template-columns:1fr;overflow-y:auto}.chat-sidebar,.chat-utility{max-height:none}}@media (max-width: 768px){.header-content{padding:.75rem 1rem}.logo h1{font-size:1.125rem}.header-status span:not(.status-dot){display:none}.chat-layout{padding:1rem;gap:1rem}}