:root{color:#1f2937;font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:#f5f7fb;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}html,body,#root{width:100%;min-width:320px;min-height:100%;margin:0}body{background:#f5f7fb;min-height:100vh}button,input{font:inherit}.chat-layout{color:#1f2937;background:#f5f7fb;min-height:100vh;display:flex}.sidebar{color:#fff;background:#111827;flex-direction:column;gap:12px;width:260px;min-width:260px;padding:24px 18px;display:flex}.sidebar h2{margin:0 0 12px;font-size:21px}.sidebar-title{text-transform:uppercase;letter-spacing:.08em;color:#9ca3af;margin:14px 0 4px;font-size:13px}.new-chat-button,.conversation-button{text-align:left;cursor:pointer;width:100%;font:inherit;border:0;border-radius:9px;padding:11px 12px}.new-chat-button{color:#111827;background:#fff;font-weight:700}.conversation-button{color:#d1d5db;background:0 0}.conversation-button:hover,.conversation-button.active{color:#fff;background:#374151}.chat-main{flex:1;min-width:0;padding:28px 36px}.chat-header{border-bottom:1px solid #e5e7eb;justify-content:space-between;align-items:center;gap:24px;margin-bottom:24px;padding-bottom:20px;display:flex}.user-email{margin:0;font-weight:600}.budget-summary{text-align:right;background:#fff;border:1px solid #e5e7eb;border-radius:12px;padding:12px 16px}.budget-summary p{color:#4b5563;margin:5px 0 0;font-size:13px}.chat-main h1{margin:0 0 20px;font-size:24px}.messages-container{flex-direction:column;gap:16px;min-height:360px;max-height:calc(100vh - 270px);padding:4px 4px 20px;display:flex;overflow-y:auto}.message{overflow-wrap:anywhere;border-radius:14px;max-width:78%;padding:14px 16px;line-height:1.55}.user-message{color:#fff;background:#2563eb;align-self:flex-end}.assistant-message{background:#fff;border:1px solid #e5e7eb;align-self:flex-start}.assistant-message p{margin:8px 0}.assistant-message pre{color:#f9fafb;background:#111827;border-radius:9px;padding:14px;overflow-x:auto}.assistant-message code{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace}.usage-badge{color:#4338ca;background:#eef2ff;border-radius:7px;margin-top:10px;padding:5px 8px;font-size:11px;font-weight:600;display:inline-block}.message-form{gap:10px;margin-top:18px;display:flex}.message-input{color:#111827;font:inherit;background:#fff;border:1px solid #d1d5db;border-radius:10px;outline:none;flex:1;padding:13px 15px}.message-input:focus{border-color:#2563eb}.send-button{color:#fff;cursor:pointer;background:#2563eb;border:0;border-radius:10px;padding:0 22px;font-weight:700}.send-button:disabled{opacity:.5;cursor:not-allowed}@media (width<=800px){.chat-layout{flex-direction:column}.sidebar{width:auto;min-width:0}.chat-main{padding:20px}.chat-header{flex-direction:column;align-items:flex-start}.budget-summary{box-sizing:border-box;text-align:left;width:100%}.message{max-width:90%}}