:root{--bg-primary: #0a0e17;--bg-secondary: #111827;--bg-tertiary: #1a2234;--bg-card: #151d2e;--bg-hover: #1e2a40;--text-primary: #f1f5f9;--text-secondary: #94a3b8;--text-muted: #64748b;--accent-primary: #06b6d4;--accent-secondary: #8b5cf6;--accent-success: #10b981;--accent-warning: #f59e0b;--accent-danger: #ef4444;--border-color: #1e293b;--border-accent: #334155;--font-sans: "Plus Jakarta Sans", -apple-system, BlinkMacSystemFont, sans-serif;--font-mono: "JetBrains Mono", "Fira Code", monospace;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--radius-full: 9999px;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .3);--shadow-md: 0 4px 12px rgba(0, 0, 0, .4);--shadow-lg: 0 8px 24px rgba(0, 0, 0, .5);--shadow-glow: 0 0 20px rgba(6, 182, 212, .15)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:var(--font-sans);background:var(--bg-primary);color:var(--text-primary);line-height:1.6;min-height:100vh}#root{min-height:100vh;display:flex;flex-direction:column}.app-container{display:flex;flex-direction:column;min-height:100vh}.header{background:var(--bg-secondary);border-bottom:1px solid var(--border-color);padding:1rem 2rem;display:flex;align-items:center;justify-content:space-between}.logo{display:flex;align-items:center;gap:.75rem}.logo-icon{width:36px;height:36px;background:linear-gradient(135deg,var(--accent-primary),var(--accent-secondary));border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;font-size:1.25rem}.logo-text{font-weight:700;font-size:1.25rem;background:linear-gradient(135deg,var(--accent-primary),var(--accent-secondary));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.connection-status{display:flex;align-items:center;gap:.5rem;font-size:.875rem;color:var(--text-secondary)}.status-dot{width:8px;height:8px;border-radius:50%;background:var(--accent-danger)}.status-dot.connected{background:var(--accent-success);box-shadow:0 0 8px var(--accent-success)}.main-content{flex:1;display:flex;gap:1.5rem;padding:1.5rem;max-width:1600px;margin:0 auto;width:100%}.sidebar{width:320px;display:flex;flex-direction:column;gap:1rem}.card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);overflow:hidden}.card-header{padding:1rem 1.25rem;border-bottom:1px solid var(--border-color);display:flex;align-items:center;justify-content:space-between}.card-title{font-weight:600;font-size:.9375rem;color:var(--text-primary)}.card-content{padding:1rem 1.25rem}.scenario-list{display:flex;flex-direction:column;gap:.5rem}.scenario-item{padding:.875rem 1rem;background:var(--bg-tertiary);border:1px solid var(--border-color);border-radius:var(--radius-md);cursor:pointer;transition:all .2s ease}.scenario-item:hover{background:var(--bg-hover);border-color:var(--border-accent)}.scenario-item.active{border-color:var(--accent-primary);background:#06b6d41a}.scenario-name{font-weight:600;font-size:.9375rem;margin-bottom:.25rem}.scenario-desc{font-size:.8125rem;color:var(--text-secondary)}.scenario-item.disabled{pointer-events:none;opacity:.7}.scenario-loading{font-size:.8125rem;color:var(--text-secondary);margin-top:.5rem}.participant-list{display:flex;flex-direction:column;gap:.5rem}.participant-item{display:flex;align-items:center;gap:.75rem;padding:.75rem;background:var(--bg-tertiary);border-radius:var(--radius-md);cursor:pointer;transition:all .2s ease}.participant-item:hover{background:var(--bg-hover)}.participant-item.active{background:#06b6d426;border:1px solid var(--accent-primary)}.participant-avatar{width:36px;height:36px;border-radius:var(--radius-full);display:flex;align-items:center;justify-content:center;font-size:1rem;font-weight:600}.participant-avatar.human{background:linear-gradient(135deg,#3b82f6,#8b5cf6)}.participant-avatar.ai{background:linear-gradient(135deg,var(--accent-primary),#10b981)}.participant-info{flex:1}.participant-name{font-weight:500;font-size:.875rem}.participant-role{font-size:.75rem;color:var(--text-muted);text-transform:capitalize}.chat-area{flex:1;display:flex;flex-direction:column;background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);overflow:hidden}.chat-header{padding:1rem 1.5rem;border-bottom:1px solid var(--border-color);display:flex;align-items:center;justify-content:space-between}.chat-title{font-weight:600}.ai-mode-badge{display:flex;align-items:center;gap:.5rem;padding:.375rem .75rem;background:#06b6d426;border:1px solid var(--accent-primary);border-radius:var(--radius-full);font-size:.75rem;color:var(--accent-primary);font-weight:500}.messages-container{flex:1;overflow-y:auto;padding:1.5rem;display:flex;flex-direction:column;gap:1rem}.message{display:flex;gap:.75rem;max-width:80%;animation:messageIn .3s ease}@keyframes messageIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.message.own{margin-left:auto;flex-direction:row-reverse}.message-avatar{width:32px;height:32px;border-radius:var(--radius-full);display:flex;align-items:center;justify-content:center;font-size:.75rem;font-weight:600;flex-shrink:0}.message-avatar.human{background:linear-gradient(135deg,#3b82f6,#8b5cf6)}.message-avatar.ai{background:linear-gradient(135deg,var(--accent-primary),#10b981)}.message-content{background:var(--bg-tertiary);padding:.75rem 1rem;border-radius:var(--radius-md);border-top-left-radius:4px}.message.own .message-content{background:var(--accent-primary);color:var(--bg-primary);border-top-left-radius:var(--radius-md);border-top-right-radius:4px}.message.ai .message-content{border:1px solid var(--border-accent)}.message-sender{font-size:.75rem;font-weight:600;margin-bottom:.25rem;color:var(--text-secondary)}.message.own .message-sender{color:#0a0e17b3}.message-text{font-size:.9375rem;line-height:1.5}.message-meta{font-size:.6875rem;color:var(--text-muted);margin-top:.375rem}.message.own .message-meta{color:#0a0e1780}.message.escalation .message-content{background:#f59e0b26;border:1px solid var(--accent-warning)}.input-area{padding:1rem 1.5rem;border-top:1px solid var(--border-color);display:flex;gap:.75rem}.message-input{flex:1;padding:.75rem 1rem;background:var(--bg-tertiary);border:1px solid var(--border-color);border-radius:var(--radius-md);color:var(--text-primary);font-family:var(--font-sans);font-size:.9375rem;outline:none;transition:border-color .2s ease}.message-input:focus{border-color:var(--accent-primary)}.message-input::placeholder{color:var(--text-muted)}.send-button{padding:.75rem 1.5rem;background:linear-gradient(135deg,var(--accent-primary),var(--accent-secondary));border:none;border-radius:var(--radius-md);color:#fff;font-family:var(--font-sans);font-weight:600;font-size:.875rem;cursor:pointer;transition:all .2s ease}.send-button:hover{transform:translateY(-1px);box-shadow:var(--shadow-glow)}.send-button:disabled{opacity:.5;cursor:not-allowed;transform:none}.empty-state{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:3rem}.empty-icon{font-size:4rem;margin-bottom:1.5rem;opacity:.5}.empty-title{font-size:1.25rem;font-weight:600;margin-bottom:.5rem}.empty-desc{color:var(--text-secondary);max-width:320px}.button{padding:.5rem 1rem;background:var(--bg-tertiary);border:1px solid var(--border-color);border-radius:var(--radius-md);color:var(--text-primary);font-family:var(--font-sans);font-size:.8125rem;font-weight:500;cursor:pointer;transition:all .2s ease}.button:hover{background:var(--bg-hover);border-color:var(--border-accent)}.button.primary{background:var(--accent-primary);border-color:var(--accent-primary);color:var(--bg-primary)}.button.primary:hover{background:#0891b2}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:var(--bg-secondary)}::-webkit-scrollbar-thumb{background:var(--border-accent);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}