:root{--bg: #12121f;--surface: #1e1e32;--surface2: #2a2a3e;--accent: #6C63FF;--text: #e0e0e0;--sub: #a0a0c0;--muted: #555;--user-bubble: #6C63FF;--ai-bubble: #2a2a3e}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:15px;-webkit-tap-highlight-color:transparent}button{cursor:pointer;border:none;background:none;font:inherit;color:inherit}input,textarea{font:inherit;color:inherit;background:none;border:none;outline:none}.screen{display:flex;flex-direction:column;height:100%}.header{display:flex;align-items:center;gap:10px;padding:14px 16px;background:var(--surface);border-bottom:1px solid var(--surface2);position:sticky;top:0;z-index:10;min-height:56px}.header h1{font-size:17px;font-weight:700;flex:1}.header-back{font-size:22px;padding:0 4px}.header-btn{padding:5px 12px;border-radius:14px;background:var(--surface2);color:var(--sub);font-size:12px}.header-btn.active{background:#3a2a5e;color:#c0b0ff;border:1px solid var(--accent)}.chat-list{flex:1;overflow-y:auto}.chat-item{display:flex;align-items:center;gap:12px;padding:14px 16px;border-bottom:1px solid var(--surface2);cursor:pointer}.chat-item:active{background:var(--surface)}.chat-item-body{flex:1;min-width:0}.chat-item-title{font-weight:600;font-size:15px;display:flex;align-items:center;gap:6px}.chat-item-preview{color:var(--muted);font-size:13px;margin-top:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.chat-item-time{color:var(--muted);font-size:11px;white-space:nowrap}.badge-auto{font-size:10px;font-weight:700;color:var(--accent);border:1px solid var(--accent);border-radius:4px;padding:1px 5px;background:#6c63ff18}.empty{display:flex;flex-direction:column;align-items:center;justify-content:center;flex:1;padding:40px;text-align:center;color:var(--muted);gap:12px}.empty-title{font-size:18px;font-weight:700;color:var(--sub)}.fab{position:fixed;bottom:24px;right:24px;width:56px;height:56px;border-radius:50%;background:var(--accent);color:#fff;font-size:28px;line-height:56px;text-align:center;box-shadow:0 4px 16px #6c63ff66;z-index:20}.messages{flex:1;overflow-y:auto;padding:8px 0;display:flex;flex-direction:column}.msg-row{display:flex;padding:4px 12px;align-items:flex-end;gap:8px}.msg-row.user{justify-content:flex-end}.msg-row.ai{justify-content:flex-start}.avatar{width:30px;height:30px;border-radius:50%;background:var(--accent);color:#fff;font-size:13px;font-weight:700;display:flex;align-items:center;justify-content:center;flex-shrink:0;margin-bottom:4px}.bubble{max-width:78%;border-radius:18px;padding:10px 14px;font-size:14px;line-height:1.6;white-space:pre-wrap;word-break:break-word}.bubble.user{background:var(--user-bubble);color:#fff;border-bottom-right-radius:4px}.bubble.ai{background:var(--ai-bubble);color:var(--text);border-bottom-left-radius:4px}.msg-time{font-size:10px;color:var(--muted);padding:0 4px}.input-row{display:flex;gap:8px;padding:8px 12px;background:var(--surface);border-top:1px solid var(--surface2);align-items:flex-end}.input-box{flex:1;background:var(--surface2);border-radius:20px;padding:10px 16px;font-size:15px;color:var(--text);resize:none;max-height:120px;line-height:1.5}.input-box::placeholder{color:var(--muted)}.send-btn{background:var(--accent);color:#fff;border-radius:20px;padding:10px 18px;font-weight:700;font-size:15px;min-width:60px;text-align:center;flex-shrink:0}.send-btn:disabled{background:var(--surface2);color:var(--muted)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0008;display:flex;align-items:flex-end;z-index:100}.modal-sheet{background:var(--bg);border-radius:20px 20px 0 0;padding:20px;width:100%;max-height:90vh;overflow-y:auto;display:flex;flex-direction:column;gap:14px}.modal-title{font-size:18px;font-weight:700}.modal-desc{font-size:13px;color:var(--sub);line-height:1.7}.form-label{font-size:12px;color:var(--sub);margin-bottom:4px}.form-hint{font-size:11px;color:var(--muted);margin-top:2px}.form-input{background:var(--surface);border-radius:10px;padding:10px 14px;font-size:14px;color:var(--text);width:100%;display:block}.form-textarea{resize:none;height:100px;line-height:1.5}.form-input::placeholder,.form-textarea::placeholder{color:var(--muted)}.toggle-row{background:var(--surface);border-radius:12px;padding:14px;display:flex;justify-content:space-between;align-items:center}.toggle-label{font-weight:600}.toggle-sub{font-size:12px;color:var(--muted);margin-top:2px}.toggle{width:48px;height:28px;border-radius:14px;background:var(--surface2);position:relative;transition:background .2s}.toggle.on{background:var(--accent)}.toggle-thumb{position:absolute;top:3px;left:3px;width:22px;height:22px;border-radius:50%;background:#fff;transition:left .2s}.toggle.on .toggle-thumb{left:23px}.cron-presets{background:var(--surface);border-radius:10px;padding:10px}.cron-preset-title{font-size:11px;color:var(--muted);margin-bottom:8px}.cron-preset{display:flex;gap:10px;align-items:center;padding:7px 0;border-bottom:1px solid var(--surface2);cursor:pointer}.cron-preset:last-child{border-bottom:none}.cron-expr{font-family:monospace;font-size:13px;color:var(--accent);width:120px}.cron-desc{font-size:13px;color:var(--sub)}.btn-row{display:flex;gap:10px;margin-top:4px}.btn{flex:1;padding:13px;border-radius:10px;font-weight:700;font-size:15px;text-align:center}.btn-cancel{background:var(--surface);color:var(--sub)}.btn-primary{background:var(--accent);color:#fff}.btn-primary:disabled{background:var(--surface2);color:var(--muted)}.btn-danger{background:#3e1e1e;color:#e06060}.loading{display:flex;align-items:center;justify-content:center;flex:1}.spinner{width:36px;height:36px;border-radius:50%;border:3px solid var(--surface2);border-top-color:var(--accent);animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.pairing-code{font-size:36px;font-weight:700;letter-spacing:8px;color:var(--accent);text-align:center;padding:16px;background:var(--surface);border-radius:12px}