:root{color-scheme:dark;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;line-height:1.5;font-weight:400;color:#e5e7eb;background:#111827;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{box-sizing:border-box}html,body,#root{margin:0;min-height:100vh}body{background:#111827}#root,.app-shell{min-height:100vh}.app-sider{border-right:1px solid rgba(255,255,255,.08)}.brand{padding:20px 24px;font-size:20px;font-weight:700;color:#f9fafb}.conversation-list{padding:0 16px 16px}.conversation-item{display:block;padding:12px 14px!important;border-radius:12px;cursor:pointer;color:#d1d5db}.conversation-item.active{background:#7c3aed2e}.conversation-title{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.app-content{padding:24px;min-height:100vh;background:#111827}.sidebar-footer{position:absolute;left:16px;right:16px;bottom:16px}.chat-page,.page-stack{min-height:calc(100vh - 48px);display:flex;flex-direction:column;gap:16px}.page-header{display:flex;align-items:flex-start;justify-content:space-between;gap:16px}.muted-text{margin-top:12px;color:#9ca3af}.tag-row{display:flex;flex-wrap:wrap;gap:12px}.full-width{width:100%}.selected-key-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.api-key-select{min-width:280px}.code-panel{margin:0;overflow:auto;padding:16px;border-radius:12px;background:#0f172a;color:#e5e7eb}.chat-header{display:flex;align-items:flex-start;justify-content:space-between;gap:16px}.chat-header-actions{display:flex;align-items:center;gap:12px}.model-selector{width:220px}.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px;background:#111827}.auth-card{width:min(440px,100%)}.auth-alert{margin-bottom:16px}.auth-switch{margin-top:12px;padding-left:0}.chat-alert{margin-bottom:8px}.chat-window{flex:1;overflow:auto;padding-right:8px}.chat-empty{margin-top:96px}.message-row{display:flex;margin-bottom:16px}.message-row.user{justify-content:flex-end}.message-row.assistant{justify-content:flex-start}.message-bubble{max-width:min(820px,90%)}.message-bubble.user{background:#7c3aed}.message-bubble.assistant{background:#1f2937}.plain-message{white-space:pre-wrap}.markdown-body{color:#e5e7eb}.markdown-body p,.markdown-body pre,.markdown-body ul,.markdown-body ol{margin:0 0 12px}.markdown-body pre{overflow:auto;padding:12px;border-radius:10px;background:#0f172a}.chat-input{display:flex;flex-direction:column;gap:12px;padding-top:8px}.chat-input-actions{display:flex;justify-content:flex-end}@media(max-width:900px){.app-shell{display:block}.app-sider{width:100%!important;max-width:none!important}.chat-header{flex-direction:column}.model-selector{width:100%}}