@import url("https://fonts.googleapis.com/css2?family=Söhne:wght@400;500;600&family=Söhne+Mono&display=swap");@import url("https://fonts.googleapis.com/css2?family=Styrene+A:wght@400;500&display=swap");*,:after,:before{box-sizing:border-box;margin:0;padding:0}:root{--bg:#fff;--bg2:#f9f9f8;--bg3:#f0efe9;--border:#e8e7e1;--border2:#d9d8d0;--text:#1a1915;--text2:#5c5a52;--text3:#9b9a94;--accent:#d97706;--accent-bg:#fef3c7;--user-bubble:#f0efe9;--sidebar-w:260px;--radius:12px}body,html{background:var(--bg);color:var(--text);font-family:ui-sans-serif,-apple-system,system-ui,Segoe UI,sans-serif;font-size:15px;line-height:1.6;-webkit-font-smoothing:antialiased}#__next,body,html{height:100%}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border2);border-radius:3px}.app{display:flex;height:100vh;overflow:hidden}.sidebar{width:var(--sidebar-w);background:var(--bg2);border-right:1px solid 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a{color:#d97706;text-decoration:underline}.message-content table{width:100%;border-collapse:collapse;margin:10px 0;font-size:14px}.message-content td,.message-content th{border:1px solid var(--border);padding:8px 12px;text-align:left}.message-content th{background:var(--bg2);font-weight:600}.typing{display:flex;gap:4px;padding:4px 0;align-items:center}.typing span{width:6px;height:6px;background:var(--text3);border-radius:50%;animation:bounce 1.2s infinite}.typing span:nth-child(2){animation-delay:.2s}.typing span:nth-child(3){animation-delay:.4s}@keyframes bounce{0%,60%,to{transform:translateY(0)}30%{transform:translateY(-5px)}}.input-area{padding:12px 20px 16px;border-top:1px solid var(--border);background:var(--bg)}.input-wrap{max-width:680px;margin:0 auto;position:relative}.input-box{width:100%;background:var(--bg2);border:1px solid var(--border2);border-radius:12px;padding:12px 48px 12px 14px;color:var(--text);font-family:inherit;font-size:15px;resize:none;outline:none;line-height:1.5;max-height:200px;min-height:48px;transition:border-color .15s,box-shadow .15s}.input-box::placeholder{color:var(--text3)}.input-box:focus{border-color:#d97706;box-shadow:0 0 0 3px rgba(217,119,6,.1)}.send-btn{position:absolute;right:8px;bottom:8px;width:32px;height:32px;background:#1a1915;border:none;border-radius:8px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .15s;color:#fff}.send-btn:hover{background:#333}.send-btn:disabled{background:var(--border2);cursor:not-allowed;color:var(--text3)}.input-hint{max-width:680px;margin:6px auto 0;text-align:center;font-size:11px;color:var(--text3)}.upload-area{max-width:680px;margin:0 auto 8px;display:flex;gap:6px;flex-wrap:wrap}.file-chip{padding:4px 10px;background:var(--accent-bg);border:1px solid #fde68a;border-radius:6px;font-size:12px;color:#92400e;display:flex;align-items:center;gap:6px}.file-chip button{background:none;border:none;color:#b45309;cursor:pointer;font-size:14px;line-height:1;padding:0}.error-msg{background:#fef2f2;border:1px solid #fecaca;border-radius:8px;padding:10px 14px;color:#dc2626;font-size:13px}.sidebar-toggle{display:none;background:none;border:none;color:var(--text2);cursor:pointer;padding:4px;font-size:18px}@media (max-width:640px){.sidebar{position:fixed;left:0;top:0;bottom:0;z-index:100;transform:translateX(-100%);transition:transform .2s ease}.sidebar.open{transform:translateX(0)}.sidebar-toggle{display:flex}.messages-inner{padding:0 14px}.input-area{padding:10px 14px 14px}}