:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media(prefers-color-scheme:light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}*{box-sizing:border-box}body{margin:0;font-family:Arial,sans-serif;background:#f4f4f4}.app{min-height:100vh;width:100vw;padding:24px;display:flex;justify-content:center;align-items:center}.layout{width:100%;max-width:100%;min-height:calc(100vh - 48px);display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:20px;align-items:stretch}.chat-container{width:100%;height:100%;background:#fff;border-radius:12px;padding:20px;box-shadow:0 4px 20px #00000014;display:flex;flex-direction:column}.chat-container h1{margin-top:0;text-align:center}.messages{flex:1;min-height:0;overflow-y:auto;border:1px solid #ddd;border-radius:10px;padding:12px;margin-bottom:16px;background:#fafafa}.message{margin-bottom:12px;padding:10px 12px;border-radius:10px;line-height:1.6}.message.user{background:#dbeafe}.message.assistant{background:#e5e7eb}.message strong{display:inline-block;margin-bottom:6px}.message p{margin:0 0 10px;white-space:normal}.message p:last-child{margin-bottom:0}.message ul,.message ol{margin:0 0 10px;padding-left:22px}.message ul:last-child,.message ol:last-child{margin-bottom:0}.message li{margin-bottom:6px}.message li:last-child{margin-bottom:0}.message a{color:#2563eb;text-decoration:underline;word-break:break-word}.input-area{display:flex;gap:10px}.input-area input{flex:1;padding:12px;border:1px solid #ccc;border-radius:8px}.input-area button{padding:12px 18px;border:none;border-radius:8px;cursor:pointer}.input-area input:disabled,.input-area button:disabled{opacity:.7;cursor:not-allowed}.token-panel{height:fit-content;max-height:min(760px,90vh);overflow-y:auto;background:#fff;border-radius:12px;padding:18px;box-shadow:0 4px 20px #00000014}.token-panel h2{margin:0 0 14px;font-size:1.1rem}.token-empty{margin:0;color:#6b7280}.token-model,.token-total-cost{margin:0 0 10px;color:#374151;font-size:.95rem}.token-total-cost{margin-bottom:14px}.token-list{display:flex;flex-direction:column;gap:12px}.token-card{border:1px solid #e5e7eb;border-radius:10px;padding:12px;background:#fafafa}.token-card-header{display:flex;justify-content:space-between;gap:12px;margin-bottom:8px;font-weight:700;font-size:.92rem}.token-user-message{margin:0 0 10px;color:#374151;font-size:.95rem}.token-stats{display:flex;flex-wrap:wrap;gap:8px;color:#4b5563;font-size:.9rem}.message-price{width:100%;color:#111827}@media(max-width:980px){.layout{grid-template-columns:1fr}.token-panel{max-height:none}}