:root{--color-primary: #2563eb;--color-primary-hover: #1d4ed8;--color-primary-light: #eff6ff;--color-danger: #ef4444;--color-danger-hover: #dc2626;--color-success: #10b981;--color-warning: #f59e0b;--color-bg: #f8fafc;--color-surface: #ffffff;--color-text: #0f172a;--color-text-secondary: #64748b;--color-text-tertiary: #94a3b8;--color-border: #e2e8f0;--color-border-light: #f1f5f9;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -2px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -4px rgba(0, 0, 0, .1);--radius-sm: 6px;--radius-md: 8px;--radius-lg: 12px;--sidebar-width: 240px;--transition: .15s ease}@media(prefers-color-scheme:dark){:root{--color-bg: #0f172a;--color-surface: #1e293b;--color-text: #f1f5f9;--color-text-secondary: #94a3b8;--color-text-tertiary: #64748b;--color-border: #334155;--color-border-light: #1e293b;--color-primary-light: 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spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@media(max-width:768px){.sidebar{display:none}.main-content{margin-left:0}.page{padding:16px}.widget-config-layout,.form-row{grid-template-columns:1fr}.stats-grid{grid-template-columns:repeat(2,1fr)}.tools-grid{grid-template-columns:1fr}}input[type=range]{width:100%;height:6px;-webkit-appearance:none;background:var(--color-border);border-radius:3px;outline:none}input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:18px;height:18px;border-radius:50%;background:var(--color-primary);cursor:pointer;border:2px solid white;box-shadow:var(--shadow-sm)}.tenant-switcher{padding:8px 12px;border-bottom:1px solid var(--color-border)}.tenant-select{width:100%;padding:6px 10px;border:1px solid var(--color-border);border-radius:var(--radius-md);font-size:13px;font-family:inherit;background:var(--color-bg);color:var(--color-text);outline:none;cursor:pointer}.tenant-select:focus{border-color:var(--color-primary);box-shadow:0 0 0 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var(--transition)}.tab:hover{color:var(--color-text)}.tab--active{color:var(--color-primary);border-bottom-color:var(--color-primary)}.conversation-meta{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:16px}.message-list{display:flex;flex-direction:column;gap:8px}.message-item{display:flex;gap:10px;padding:10px;border-radius:var(--radius-md)}.message-item--user{background:var(--color-primary-light)}.message-item--assistant{background:var(--color-border-light)}.message-item--system{background:#fef3c7}.message-avatar{width:28px;height:28px;border-radius:50%;display:flex;align-items:center;justify-content:center;flex-shrink:0;background:var(--color-surface);border:1px solid var(--color-border)}.message-body{flex:1;min-width:0}.message-header{display:flex;align-items:center;gap:8px;margin-bottom:2px}.message-role{font-size:12px;font-weight:600;text-transform:capitalize}.message-time{font-size:11px;color:var(--color-text-tertiary)}.message-content{font-size:13px;line-height:1.5;white-space:pre-wrap;word-break:break-word}.pagination{display:flex;align-items:center;justify-content:center;gap:12px;padding:12px}.pagination-info{font-size:13px;color:var(--color-text-secondary)}.toast-container{position:fixed;bottom:20px;right:20px;z-index:300;display:flex;flex-direction:column;gap:8px;pointer-events:none}.toast{display:flex;align-items:center;gap:8px;padding:10px 14px;border-radius:var(--radius-md);box-shadow:var(--shadow-lg);font-size:13px;font-weight:500;pointer-events:auto;animation:toastIn .2s ease;max-width:380px}.toast--success{background:#065f46;color:#d1fae5}.toast--error{background:#991b1b;color:#fee2e2}.toast--warning{background:#92400e;color:#fef3c7}.toast--info{background:#1e40af;color:#dbeafe}.toast-icon{flex-shrink:0;display:flex}.toast-message{flex:1}.toast-dismiss{background:none;border:none;color:inherit;cursor:pointer;opacity:.7;padding:2px;display:flex;flex-shrink:0}.toast-dismiss:hover{opacity:1}@keyframes toastIn{0%{transform:translateY(10px);opacity:0}to{transform:translateY(0);opacity:1}}@media(max-width:768px){.dashboard-grid{grid-template-columns:1fr}.tenant-details-grid,.conversation-meta{grid-template-columns:1fr 1fr}.toast-container{left:20px;right:20px}.toast{max-width:100%}}