:root{--primary-color: #2563eb;--secondary-color: #475569;--bg-color: #f8fafc;--surface-color: #ffffff;--text-primary: #1e293b;--text-secondary: #64748b;--border-color: #e2e8f0;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1);--glass-bg: rgba(255, 255, 255, .85)}[data-color-scheme=dark]{--primary-color: #3b82f6;--secondary-color: #94a3b8;--bg-color: #0f172a;--surface-color: #1e293b;--text-primary: #f1f5f9;--text-secondary: #94a3b8;--border-color: #334155;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .3);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .4);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .4);--glass-bg: rgba(30, 41, 59, .85)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Inter,system-ui,-apple-system,sans-serif;background-color:var(--bg-color);color:var(--text-primary);line-height:1.5;transition:background-color .3s ease}.app{height:100vh;display:flex;flex-direction:column}.app-header{height:60px;background:var(--glass-bg);-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;padding:0 1.5rem;z-index:50}.header-left{display:flex;align-items:center;gap:1rem}.header-left h1{font-size:1.25rem;font-weight:600;color:var(--text-primary)}.main-layout{flex:1;display:flex;overflow:hidden}.sidebar{width:280px;background:var(--surface-color);border-right:1px solid var(--border-color);display:flex;flex-direction:column;padding:1.5rem;gap:2rem;overflow-y:auto}.sidebar h3{font-size:.75rem;text-transform:uppercase;letter-spacing:.05em;color:var(--text-secondary);margin-bottom:.75rem}.status-indicator{display:inline-flex;align-items:center;gap:.5rem;font-size:.875rem;color:#10b981;font-weight:500}.status-indicator:before{content:"";width:8px;height:8px;background:#10b981;border-radius:50%;box-shadow:0 0 0 2px #10b98133}.session-id{font-size:.75rem;color:var(--text-secondary);font-family:monospace;margin-top:.25rem}.sidebar-btn{width:100%;padding:.75rem;background:transparent;border:1px solid var(--border-color);color:var(--text-primary);border-radius:6px;cursor:pointer;transition:all .2s;display:flex;align-items:center;gap:.5rem;font-size:.875rem}.sidebar-btn:hover{background:var(--bg-color);border-color:var(--primary-color)}.recent-list{display:flex;flex-direction:column;gap:.5rem}.recent-item{padding:.75rem;background:var(--bg-color);border-radius:6px;font-size:.875rem;color:var(--text-secondary);display:flex;align-items:center;gap:.5rem;cursor:pointer;transition:.2s;overflow:hidden;white-space:nowrap}.recent-item:hover{background:var(--border-color);color:var(--text-primary)}.chat-workspace{flex:1;display:flex;flex-direction:column;background:var(--bg-color);position:relative}.agent-selector{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;padding:1.5rem;max-width:900px;margin:0 auto;width:100%}.agent-tab{background:var(--surface-color);border:1px solid var(--border-color);border-radius:12px;padding:1rem;text-align:left;cursor:pointer;transition:all .2s ease;display:flex;align-items:center;gap:.75rem}.agent-tab:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:var(--primary-color)}.agent-tab.active{background:var(--surface-color);border-color:var(--primary-color);box-shadow:0 0 0 2px var(--primary-color)}.agent-icon{font-size:1.5rem;background:var(--bg-color);width:40px;height:40px;display:flex;align-items:center;justify-content:center;border-radius:8px}.agent-info{display:flex;flex-direction:column}.agent-name{font-weight:600;color:var(--text-primary)}.agent-desc{font-size:.75rem;color:var(--text-secondary)}.sub-tabs{display:flex;justify-content:center;gap:.5rem;padding-bottom:1rem;border-bottom:1px solid var(--border-color);background:var(--glass-bg)}.sub-tab{background:transparent;border:none;padding:.5rem 1rem;border-radius:20px;font-size:.875rem;color:var(--text-secondary);cursor:pointer;transition:.2s;font-weight:500}.sub-tab:hover{background:var(--surface-color);color:var(--text-primary)}.sub-tab.active{background:var(--primary-color);color:#fff}.messages-feed{flex:1;overflow-y:auto;padding:2rem 1.5rem;display:flex;flex-direction:column;gap:1.5rem;max-width:900px;margin:0 auto;width:100%}.welcome-screen{text-align:center;margin-top:4rem;color:var(--text-secondary)}.welcome-icon{font-size:4rem;display:block;margin-bottom:1rem}.message-row{display:flex;width:100%}.message-row.user{justify-content:flex-end}.message-row.assistant{justify-content:flex-start}.message-bubble{max-width:85%;padding:1.25rem;border-radius:12px;position:relative;font-size:.95rem;line-height:1.6}.message-row.user .message-bubble{background:var(--primary-color);color:#fff;border-bottom-right-radius:2px}.message-row.assistant .message-bubble{background:var(--surface-color);color:var(--text-primary);border:1px solid var(--border-color);border-bottom-left-radius:2px;box-shadow:var(--shadow-sm)}.agent-badge{font-size:.75rem;color:var(--text-secondary);margin-bottom:.5rem;display:flex;align-items:center;gap:.4rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em}.cost-card-simple{margin-top:1rem;background:#00000008;border-radius:8px;padding:1rem}.cost-row.main{display:flex;justify-content:space-between;font-weight:700;font-size:1.1rem;color:var(--text-primary)}.report-frame{width:100%;height:400px;border:none;background:#fff;border-radius:8px}.report-container{margin-top:1rem;border:1px solid var(--border-color);border-radius:8px;overflow:hidden;background:#fff}.report-header{padding:.5rem 1rem;background:#f1f5f9;border-bottom:1px solid var(--border-color);display:flex;justify-content:space-between;align-items:center;font-size:.85rem;color:#64748b;font-weight:600}.media-gallery{margin-top:1rem}.gallery-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:.5rem;margin-top:.5rem}.gallery-img{width:100%;border-radius:8px;border:1px solid var(--border-color);transition:transform .2s}.gallery-img:hover{transform:scale(1.02)}.input-deck{background:var(--surface-color);border-top:1px solid var(--border-color);padding:1.5rem;width:100%;z-index:40}.input-group{max-width:900px;margin:0 auto;display:flex;gap:.75rem;align-items:center}.main-input{flex:1;padding:1rem 1.25rem;border:1px solid var(--border-color);border-radius:12px;background:var(--bg-color);color:var(--text-primary);font-size:1rem;outline:none;transition:.2s}.main-input:focus{border-color:var(--primary-color);box-shadow:0 0 0 3px #2563eb1a}.attach-btn,.send-btn{width:48px;height:48px;border-radius:12px;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:1.25rem;transition:.2s}.attach-btn{background:var(--bg-color);color:var(--text-secondary);border:1px solid var(--border-color)}.attach-btn:hover{background:var(--surface-color);color:var(--primary-color)}.send-btn{background:var(--primary-color);color:#fff}.send-btn:disabled{opacity:.5;cursor:not-allowed}.file-preview-strip{display:flex;gap:.5rem;margin-bottom:.75rem;max-width:900px;margin:0 auto .75rem;overflow-x:auto}.file-chip{background:var(--bg-color);border:1px solid var(--border-color);padding:.25rem .75rem;border-radius:16px;font-size:.85rem;display:flex;align-items:center;gap:.5rem;white-space:nowrap}.icon-btn{background:transparent;border:none;color:var(--text-secondary);font-size:1.25rem;cursor:pointer;padding:.5rem;border-radius:8px}.icon-btn:hover{background:var(--bg-color);color:var(--text-primary)}@media (max-width: 768px){.sidebar{position:absolute;height:100%;z-index:100}.agent-selector{grid-template-columns:1fr;padding:1rem}}*{margin:0;padding:0;box-sizing:border-box}body{font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;line-height:1.5}