*,:after,:before{box-sizing:border-box;margin:0;padding:0}:root{--bg:#f0ede6;--bg-messages:#faf9f7;--surface:#ffffff;--dark:#2a2925;--dark-2:#3d3c38;--text:#1c1b18;--text-muted:#6b6a65;--text-faint:#9c9a94;--border:#d8d4cb;--border-light:#e8e4db;--ray-bg:#2a2925;--ray-text:#f0ede6;--user-bg:#ffffff;--user-border:#d8d4cb;--accent:#4e7040;--accent-light:#eef3eb;--radius-sm:6px;--radius-md:12px;--radius-lg:18px;--radius-xl:22px}@media (prefers-color-scheme:dark){:root{--bg:#1e1d1a;--bg-messages:#232220;--surface:#2a2925;--dark:#f0ede6;--dark-2:#d8d4cb;--text:#e8e4db;--text-muted:#9c9a94;--text-faint:#6b6a65;--border:rgba(255,255,255,0.1);--border-light:rgba(255,255,255,0.06);--ray-bg:#3d3c38;--ray-text:#f0ede6;--user-bg:#2a2925;--user-border:rgba(255,255,255,0.12);--accent:#7da86b;--accent-light:#1c2819}}body,html{height:100%}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Helvetica Neue,Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased}.chat-container{display:flex;flex-direction:column;height:100dvh;max-width:680px;margin:0 auto;background:var(--bg-messages);border-left:1px solid var(--border-light);border-right:1px solid var(--border-light)}.chat-header{background:var(--dark);padding:16px 20px;gap:12px}.chat-header,.header-avatar{flex-shrink:0;display:flex;align-items:center}.header-avatar{width:36px;height:36px;border-radius:50%;background:var(--accent);justify-content:center;font-size:15px;font-weight:600;color:#fff;letter-spacing:-.3px}.header-text{display:flex;flex-direction:column;gap:1px}.header-name{font-size:17px;font-weight:600;color:#f0ede6;letter-spacing:-.2px}.header-sub{font-size:12px;color:rgba(240,237,230,.5);letter-spacing:.1px}.new-chat-btn{margin-left:auto;display:flex;align-items:center;gap:6px;background:var(--accent);border:none;border-radius:var(--radius-md);color:#fff;font-family:inherit;font-size:13px;padding:6px 12px;cursor:pointer;transition:opacity .15s}.new-chat-btn:hover:not(:disabled){opacity:.85}.new-chat-btn:disabled{opacity:.4;cursor:not-allowed}.messages-area{flex:1 1;overflow-y:auto;padding:24px 16px 16px;display:flex;flex-direction:column;gap:20px;scroll-behavior:smooth}.messages-area::-webkit-scrollbar{width:4px}.messages-area::-webkit-scrollbar-track{background:transparent}.messages-area::-webkit-scrollbar-thumb{background:var(--border);border-radius:4px}.welcome{flex:1 1;flex-direction:column;text-align:center;padding:40px 16px;gap:16px}.welcome,.welcome-mark{display:flex;align-items:center;justify-content:center}.welcome-mark{width:56px;height:56px;border-radius:50%;background:var(--accent);font-size:22px;font-weight:700;color:#fff;margin-bottom:4px}.welcome-title{font-size:28px;font-weight:700;color:var(--text);letter-spacing:-.5px;line-height:1.2}.welcome-sub{font-size:16px;color:var(--text-muted);max-width:340px;line-height:1.65}.starter-prompts{display:flex;flex-direction:column;gap:8px;width:100%;max-width:380px;margin-top:8px}.starter-btn{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-md);padding:13px 16px;font-size:15px;color:var(--text);cursor:pointer;text-align:left;line-height:1.4;transition:background .15s,border-color .15s;font-family:inherit}.starter-btn:hover{background:var(--accent-light);border-color:var(--accent)}.starter-btn:disabled{opacity:.5;cursor:not-allowed}.message-row{display:flex;gap:10px;max-width:100%}.message-row.user{justify-content:flex-end}.message-row.assistant{justify-content:flex-start;align-items:flex-end}.ray-avatar{width:28px;height:28px;border-radius:50%;background:var(--accent);display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;color:#fff;flex-shrink:0;margin-bottom:2px}.bubble{max-width:min(72%,480px);padding:12px 16px;border-radius:var(--radius-xl);font-size:15.5px;line-height:1.65;white-space:pre-wrap;word-break:break-word}.bubble.assistant{background:var(--ray-bg);color:var(--ray-text);border-bottom-left-radius:var(--radius-sm)}.bubble.user{background:var(--user-bg);color:var(--text);border:1px solid var(--user-border);border-bottom-right-radius:var(--radius-sm)}.typing-indicator{display:inline-flex;align-items:center;gap:4px;padding:2px 0}.typing-indicator span{width:6px;height:6px;border-radius:50%;background:rgba(240,237,230,.5);animation:typing-bounce 1.2s ease-in-out infinite}.typing-indicator span:nth-child(2){animation-delay:.15s}.typing-indicator span:nth-child(3){animation-delay:.3s}@keyframes typing-bounce{0%,60%,to{transform:translateY(0);opacity:.5}30%{transform:translateY(-4px);opacity:1}}.input-area{flex-shrink:0;padding:12px 16px 16px;background:var(--bg-messages);border-top:1px solid var(--border-light)}.input-form{display:flex;align-items:flex-end;gap:10px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-xl);padding:8px 8px 8px 16px;transition:border-color .15s,box-shadow .15s}.input-form:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px rgba(78,112,64,.12)}.input-textarea{flex:1 1;background:none;border:none;outline:none;resize:none;font-family:inherit;font-size:15.5px;line-height:1.5;color:var(--text);min-height:24px;max-height:160px;overflow-y:auto;padding:3px 0}.input-textarea::placeholder{color:var(--text-faint)}.input-textarea:disabled{opacity:.6;cursor:not-allowed}.send-btn{width:36px;height:36px;border-radius:50%;border:none;background:var(--dark);color:var(--bg);display:flex;align-items:center;justify-content:center;cursor:pointer;flex-shrink:0;transition:background .15s,opacity .15s,transform .1s}.send-btn:hover:not(:disabled){background:var(--dark-2)}.send-btn:active:not(:disabled){transform:scale(.93)}.send-btn:disabled{background:var(--border);color:var(--text-faint);cursor:not-allowed}.input-hint{font-size:11px;margin-top:8px;letter-spacing:.1px}.input-hint,.version-label{color:var(--text-faint);text-align:center}.version-label{font-size:10px;margin-top:4px;opacity:.6}@media (min-width:681px){.chat-container{margin-top:0;border-radius:0}body{background:var(--bg)}}