:root{--bg: #0A0A0A;--bg2: #0F0F0F;--bg3: #1A1A1A;--border: #27272A;--border-subtle: #18181B;--text: #F4F4F5;--text2: #A1A1AA;--text3: #52525B;--text4: #3F3F46;--font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, sans-serif}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%;background:var(--bg);color:var(--text);font-family:var(--font);font-size:13px;-webkit-font-smoothing:antialiased}.app{display:flex;flex-direction:column;height:100vh;overflow:hidden}.app-header{height:48px;border-bottom:1px solid var(--border-subtle);display:flex;align-items:center;justify-content:space-between;padding:0 16px;flex-shrink:0;background:var(--bg)}.header-left{display:flex;align-items:center;gap:8px}.app-name{font-weight:500;font-size:14px;color:var(--text);letter-spacing:.1em}.app-plan{font-size:10px;font-family:monospace;color:var(--text3);text-transform:uppercase;letter-spacing:.1em;margin-left:8px}.header-right{display:flex;align-items:center;gap:16px}.workspace-label{font-size:12px;color:var(--text3)}.workspace-label strong{color:var(--text2);font-weight:500}.cmd-badge{width:20px;height:20px;border:1px solid var(--border);border-radius:3px;display:flex;align-items:center;justify-content:center;color:var(--text3)}.app-body{display:flex;flex:1;overflow:hidden}.sidebar{width:240px;border-right:1px solid var(--border-subtle);display:flex;flex-direction:column;background:var(--bg2);flex-shrink:0}.sidebar-search{padding:12px;position:relative}.search-icon{position:absolute;left:20px;top:50%;transform:translateY(-50%);color:var(--text3);pointer-events:none}.search-input{width:100%;background:var(--bg3);border:1px solid var(--border);border-radius:3px;padding:6px 8px 6px 24px;font-size:12px;color:var(--text);outline:none;font-family:var(--font);transition:border-color .15s}.search-input:focus{border-color:var(--text3)}.search-input::placeholder{color:var(--text3)}.sidebar-content{flex:1;overflow-y:auto;padding:4px 8px}.sidebar-section-label{font-size:10px;font-weight:500;color:var(--text3);text-transform:uppercase;letter-spacing:.1em;padding:0 8px;margin-bottom:6px}.sidebar-item{width:100%;text-align:left;padding:6px 8px;font-size:12px;color:var(--text3);background:none;border:none;border-radius:3px;cursor:pointer;display:flex;align-items:center;gap:8px;transition:all .15s;font-family:var(--font);justify-content:space-between;margin-bottom:2px}.sidebar-item:hover,.sidebar-item.active{color:var(--text2);background:var(--bg3)}.sidebar-item-icon{color:var(--text4);flex-shrink:0}.sidebar-item-dot{width:6px;height:6px;border-radius:50%;background:var(--text3);flex-shrink:0}.main{flex:1;display:flex;flex-direction:column;position:relative;background:var(--bg);overflow:hidden}.messages{flex:1;overflow-y:auto;padding:32px 32px 120px;display:flex;flex-direction:column;gap:32px}.messages::-webkit-scrollbar{width:3px}.messages::-webkit-scrollbar-thumb{background:var(--border);border-radius:2px}.msg{display:flex;flex-direction:column}.msg-user{align-items:flex-end}.msg-user .msg-text{font-size:14px;color:var(--text);max-width:70%;line-height:1.7}.msg-assistant{align-items:flex-start;max-width:85%}.msg-meta{display:flex;align-items:center;gap:8px;margin-bottom:10px}.msg-badge{padding:2px 6px;border:1px solid var(--border);border-radius:3px;font-size:9px;font-family:monospace;text-transform:uppercase;letter-spacing:.1em;color:var(--text3)}.msg-assistant .msg-text{font-size:14px;color:var(--text2);line-height:1.8}.msg-text code{background:var(--bg3);padding:2px 5px;border-radius:3px;font-family:monospace;font-size:12px;color:var(--text2)}.msg-text strong{color:var(--text);font-weight:500}.chat-input-wrap{position:absolute;bottom:0;left:0;right:0;padding:24px;background:linear-gradient(to top,var(--bg) 80%,transparent)}.chat-input-row{max-width:640px;margin:0 auto;display:flex;align-items:center;gap:12px}.chat-input{flex:1;background:transparent;border:none;border-bottom:1px solid var(--border);padding-bottom:8px;font-size:14px;color:var(--text);outline:none;font-family:var(--font);transition:border-color .15s}.chat-input:focus{border-color:var(--text3)}.chat-input::placeholder{color:var(--text3)}.icon-btn{background:none;border:none;cursor:pointer;color:var(--text3);padding:0;display:flex;align-items:center;transition:color .15s}.icon-btn:hover{color:var(--text)}.icon-btn.send{color:var(--text3)}.icon-btn.send:hover{color:var(--text)}.canvas-panel{width:380px;border-left:1px solid var(--border-subtle);background:var(--bg2);display:flex;flex-direction:column;flex-shrink:0}.canvas-header{height:48px;border-bottom:1px solid var(--border-subtle);display:flex;align-items:center;justify-content:space-between;padding:0 16px;flex-shrink:0}.canvas-title{display:flex;align-items:center;gap:8px;font-size:12px;font-weight:500;color:var(--text2)}.canvas-actions{display:flex;gap:12px}.canvas-body{flex:1;padding:24px;overflow-y:auto}.canvas-body::-webkit-scrollbar{width:3px}.canvas-body::-webkit-scrollbar-thumb{background:var(--border);border-radius:2px}.canvas-text{font-size:13px;line-height:1.9;color:var(--text2);font-family:Georgia,serif;white-space:pre-wrap;margin:0;background:transparent;border:none;padding:0}.cursor-blink{display:inline-block;width:6px;height:16px;background:var(--text2);margin-left:2px;vertical-align:middle;animation:blink 1s infinite}@keyframes blink{0%,to{opacity:1}50%{opacity:0}}.login-screen{height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg)}.login-box{display:flex;flex-direction:column;align-items:center;gap:12px;width:360px}.login-title{font-size:18px;font-weight:500;letter-spacing:.1em;color:var(--text)}.login-subtitle{font-size:13px;color:var(--text3);margin-bottom:16px}.loading-screen{height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg)}.empty-chat{display:flex;flex-direction:column;align-items:center;justify-content:center;flex:1;gap:12px}.empty-title{font-size:18px;font-weight:500;letter-spacing:.1em;color:var(--text)}.empty-subtitle{font-size:14px;color:var(--text3)}.sidebar-top{padding:0 8px 8px}.sidebar-new-btn{width:100%;display:flex;align-items:center;gap:8px;padding:6px 8px;font-size:12px;color:var(--text3);background:none;border:1px solid var(--border);border-radius:3px;cursor:pointer;font-family:var(--font);transition:all .15s}.sidebar-new-btn:hover{color:var(--text2);border-color:var(--text3)}.sidebar-empty{padding:16px 8px;font-size:12px;color:var(--text4);text-align:center}