:root{--bg-main: #0a0a0c;--bg-sidebar: #121216;--bg-accent: #1e1e24;--bg-card: #16161d;--border-color: #2a2a32;--text-primary: #f8f9fa;--text-secondary: #a0a0ab;--color-blue: #3b82f6;--color-blue-glow: rgba(59, 130, 246, .4);--color-green: #10b981;--color-amber: #f59e0b;--radius: 12px;--transition: all .3s cubic-bezier(.4, 0, .2, 1)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Inter,-apple-system,sans-serif;background-color:var(--bg-main);color:var(--text-primary);overflow:hidden;-webkit-font-smoothing:antialiased}.dashboard-container{display:flex;height:100vh;width:100vw;background:radial-gradient(circle at 50% -20%,#1e1e2e,#0a0a0c)}.sidebar{width:320px;background-color:var(--bg-sidebar);border-right:1px solid var(--border-color);display:flex;flex-direction:column;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.sidebar-header{padding:24px;border-bottom:1px solid var(--border-color);display:flex;align-items:center;gap:12px}.sidebar-header h1{font-size:1.2rem;font-weight:800;letter-spacing:-.03em;background:linear-gradient(135deg,#fff,#a0a0ab);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.sidebar-scroll{flex:1;overflow-y:auto;padding:8px 0}.chat-item{margin:4px 12px;padding:16px;border-radius:var(--radius);cursor:pointer;transition:var(--transition);border:1px solid transparent}.chat-item:hover{background-color:var(--bg-accent)}.chat-item.active{background-color:var(--bg-card);border-color:var(--color-blue);box-shadow:0 4px 20px #0000004d}.chat-item-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}.contact-id{font-weight:700;font-size:.95rem;color:#fff}.timestamp{font-size:.75rem;color:var(--text-secondary)}.badge{display:inline-flex;align-items:center;gap:6px;font-size:.65rem;font-weight:800;padding:4px 10px;border-radius:30px;text-transform:uppercase;letter-spacing:.05em}.badge-ai{background:#3b82f626;color:#60a5fa;border:1px solid rgba(59,130,246,.3)}.badge-human{background:#f59e0b26;color:#fbbf24;border:1px solid rgba(245,158,11,.3)}.main-chat{flex:1;display:flex;flex-direction:column;position:relative}.chat-header{height:80px;padding:0 32px;background-color:#121216cc;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--border-color);display:flex;align-items:center;justify-content:space-between;z-index:10}.user-info{display:flex;align-items:center;gap:16px}.avatar{width:44px;height:44px;border-radius:14px;background:linear-gradient(135deg,var(--color-blue) 0%,#1d4ed8 100%);display:flex;align-items:center;justify-content:center;box-shadow:0 4px 12px var(--color-blue-glow)}.toggle-btn{padding:10px 20px;border-radius:10px;border:1px solid rgba(255,255,255,.1);font-weight:700;font-size:.9rem;cursor:pointer;transition:var(--transition);display:flex;align-items:center;gap:10px;color:#fff}.toggle-btn.disable{background:#f59e0b33;color:var(--color-amber);border-color:#f59e0b4d}.toggle-btn.enable{background:#10b98133;color:var(--color-green);border-color:#10b9814d}.toggle-btn:hover{transform:translateY(-2px);box-shadow:0 4px 12px #0003}.messages-container{flex:1;overflow-y:auto;padding:32px;display:flex;flex-direction:column;gap:20px}.message-wrapper{display:flex;width:100%;animation:fadeIn .3s ease-out}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.message-wrapper.inbound{justify-content:flex-start}.message-wrapper.outbound{justify-content:flex-end}.message-bubble{max-width:65%;padding:16px 20px;border-radius:20px;position:relative;box-shadow:0 4px 15px #00000026}.inbound .message-bubble{background-color:var(--bg-card);border:1px solid var(--border-color);border-bottom-left-radius:4px}.outbound.ai .message-bubble{background:linear-gradient(135deg,#1e3a8a,#1e1b4b);border:1px solid rgba(59,130,246,.3);border-bottom-right-radius:4px}.outbound.human .message-bubble{background:linear-gradient(135deg,#064e3b,#022c22);border:1px solid rgba(16,185,129,.3);border-bottom-right-radius:4px}.msg-meta{font-size:.65rem;font-weight:800;color:var(--text-secondary);margin-bottom:6px;display:flex;align-items:center;gap:8px;text-transform:uppercase;letter-spacing:.05em}.msg-text{white-space:pre-wrap;line-height:1.6;font-size:.95rem}.input-area{padding:24px 32px;background-color:var(--bg-sidebar);border-top:1px solid var(--border-color)}.input-wrapper{display:flex;gap:20px;max-width:1000px;margin:0 auto}textarea{flex:1;background-color:var(--bg-accent);border:1px solid var(--border-color);border-radius:16px;padding:16px;color:var(--text-primary);resize:none;font-family:inherit;font-size:1rem;outline:none;transition:var(--transition)}textarea:focus{border-color:var(--color-blue);box-shadow:0 0 0 4px #3b82f61a}.send-btn{width:64px;height:64px;background:linear-gradient(135deg,var(--color-blue) 0%,#1d4ed8 100%);border:none;border-radius:16px;color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:var(--transition);box-shadow:0 4px 15px var(--color-blue-glow)}.send-btn:hover:not(:disabled){transform:scale(1.05);filter:brightness(1.1)}.send-btn:disabled{opacity:.3;cursor:not-allowed;filter:grayscale(1)}.empty-state{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--text-secondary);text-align:center;padding:40px}.empty-icon{width:100px;height:100px;background:#1e1e2480;border-radius:30px;display:flex;align-items:center;justify-content:center;margin-bottom:24px;border:1px solid var(--border-color)}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border-color);border-radius:10px}::-webkit-scrollbar-thumb:hover{background:var(--text-secondary)}.mock-notice{position:absolute;top:12px;right:130px;padding:4px 12px;background:#3b82f61a;color:var(--color-blue);font-size:.7rem;font-weight:800;border-radius:10px;border:1px solid rgba(59,130,246,.3)}.contact-name-row{display:flex;align-items:center;gap:8px}.unread-dot{width:8px;height:8px;border-radius:50%;background-color:var(--color-blue);box-shadow:0 0 6px var(--color-blue-glow);flex-shrink:0;animation:pulse 1.5s ease-in-out infinite}@keyframes pulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.6;transform:scale(.85)}}.spinner{width:20px;height:20px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}:root{font-family:Inter,system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{margin:0;display:flex;min-width:320px;min-height:100vh}#app{width:100%}