:root{--kebi-primary: #2563eb;--kebi-primary-dark: #1d4ed8;--kebi-header-bg: #dbeafe;--kebi-chat-bg: #eff6ff;--kebi-input-bg: #dbeafe;--kebi-sidebar-top: #2563eb;--kebi-sidebar-bottom: #1d4ed8;--kebi-bubble-ai: #ffffff;--kebi-bubble-user-from: #3b82f6;--kebi-bubble-user-to: #2563eb;--kebi-text-primary: #1e293b;--kebi-text-secondary: #475569;--kebi-text-muted: #94a3b8;--kebi-border: #bfdbfe;--kebi-glow: rgba(37, 99, 235, .15)}.agent-sidebar{background:linear-gradient(180deg,var(--kebi-sidebar-top) 0%,var(--kebi-sidebar-bottom) 100%)}.agent-gradient-bg{background:var(--kebi-chat-bg)}.dark .agent-gradient-bg{background:radial-gradient(circle at top left,#0f172a,#0b0f19)}.kebi-header{background:var(--kebi-header-bg)!important;border-bottom:1px solid var(--kebi-border)!important}.kebi-chat-area{background:var(--kebi-chat-bg)!important}.kebi-input-bar{background:var(--kebi-input-bg)!important;border-top:1px solid var(--kebi-border)!important}.kebi-input-field{background:#fff;border:1px solid var(--kebi-border);border-radius:1rem;transition:box-shadow .2s ease,border-color .2s ease}.kebi-input-field:focus-within{border-color:var(--kebi-primary);box-shadow:0 0 0 3px var(--kebi-glow)}.agent-bubble-user{background:linear-gradient(135deg,var(--kebi-bubble-user-from),var(--kebi-bubble-user-to));box-shadow:0 2px 8px var(--kebi-glow)}.kebi-bubble-ai{background:var(--kebi-bubble-ai);border:1px solid var(--kebi-border);box-shadow:0 1px 3px #0000000a}.kebi-loading-bubble{background:var(--kebi-bubble-ai);border:1px solid var(--kebi-border)}.kebi-avatar{background:#bfdbfe!important;color:var(--kebi-primary-dark)!important}.kebi-avatar-lg{background:#bfdbfe!important;color:var(--kebi-primary-dark)!important;box-shadow:0 4px 16px var(--kebi-glow)}.kebi-send-btn{background:var(--kebi-primary)!important;color:#fff!important;border:none;transition:background .15s ease,transform .1s ease}.kebi-send-btn:hover:not(:disabled){background:var(--kebi-primary-dark)!important;transform:scale(1.05)}.kebi-send-btn:disabled{background:transparent!important;color:#94a3b8!important}.kebi-source-badge{background:#eff6ff!important;border:1px solid var(--kebi-border)!important}.kebi-chat-area::-webkit-scrollbar{width:5px}.kebi-chat-area::-webkit-scrollbar-track{background:transparent}.kebi-chat-area::-webkit-scrollbar-thumb{background:#bfdbfe;border-radius:10px}.kebi-chat-area::-webkit-scrollbar-thumb:hover{background:#93c5fd}.dark .kebi-header{background:#111827!important;border-color:#1f2937!important}.dark .kebi-chat-area{background:#0f172a!important}.dark .kebi-input-bar{background:#111827!important;border-color:#1f2937!important}.dark .kebi-input-field{background:#1e293b;border-color:#374151}.dark .kebi-bubble-ai{background:#1e293b;border-color:#374151;color:#e2e8f0}.dark .kebi-loading-bubble{background:#1e293b;border-color:#374151}.dark .kebi-avatar,.dark .kebi-avatar-lg{background:#1e3a8a!important;color:#93c5fd!important}.dark .kebi-source-badge{background:#1e293b!important;border-color:#374151!important;color:#94a3b8!important}