@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&display=swap";:root{--primary-color:#533afd;--bg-color:#f8fafc;--card-bg:#fff;--text-main:#0f172a;--text-muted:#64748b;--border-color:#e2e8f0}body{background-color:var(--bg-color);color:var(--text-main);-webkit-font-smoothing:antialiased;margin:0;font-family:Inter,sans-serif}h1,h2,h3{color:var(--text-main);margin-top:0}.btn{background-color:var(--primary-color);color:#fff;cursor:pointer;border:none;border-radius:8px;align-items:center;gap:8px;padding:10px 20px;font-size:14px;font-weight:500;transition:opacity .2s;display:inline-flex}.btn:hover{opacity:.9}.btn:disabled{opacity:.6;cursor:not-allowed}.card{background:var(--card-bg);border:1px solid var(--border-color);border-radius:12px;flex-direction:column;height:100%;padding:24px;display:flex;box-shadow:0 4px 6px -1px #0000001a}.chat-window{flex:1;height:500px;margin-bottom:20px;padding-right:8px;overflow-y:auto}.chat-message{border-radius:8px;gap:16px;margin-bottom:24px;padding:16px;display:flex}.chat-message.user{background-color:#f1f5f9}.chat-message.bot{background-color:#0000}.chat-input{border:1px solid var(--border-color);border-radius:8px;outline:none;flex:1;padding:12px 16px;font-size:14px;transition:border .2s}.chat-input:focus{border-color:var(--primary-color)}.drop-zone{border:2px dashed var(--border-color);text-align:center;cursor:pointer;background:#fafafa;border-radius:12px;padding:40px;transition:all .2s}.drop-zone:hover,.drop-zone.active{border-color:var(--primary-color);background:#f0f4ff}.route-badge{border-radius:20px;align-items:center;gap:4px;margin-left:8px;padding:4px 10px;font-size:12px;font-weight:600;display:inline-flex}.route-a{color:#854d0e;background-color:#fef08a}.route-b{color:#6b21a8;background-color:#e9d5ff}.markdown-body{color:var(--text-main);font-size:14px;line-height:1.6}.markdown-body p{margin-top:0;margin-bottom:1em}.markdown-body pre{color:#fff;background:#1e293b;border-radius:8px;padding:16px;overflow-x:auto}.markdown-body code{color:#ef4444;background:#f1f5f9;border-radius:4px;padding:2px 4px;font-family:monospace}.markdown-body pre code{color:inherit;background:0 0;padding:0}