:root{--bg-deep: #0d1117;--bg-panel: #161b22;--bg-surface: #21262d;--bg-hover: #2d333b;--border: #30363d;--text-1: #e6edf3;--text-2: #8b949e;--text-3: #484f58;--accent: #388bfd;--accent-h: #58a6ff;--danger: #f85149;--success: #3fb950;--warning: #d29922;--topbar-h: 48px;--sidebar-w: 210px;--chat-w: 320px;--tabs-h: 52px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body{height:100%;overflow:hidden;background:var(--bg-deep);color:var(--text-1);font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:14px;-webkit-font-smoothing:antialiased}#app{display:flex;flex-direction:column;height:100dvh}.topbar{display:flex;align-items:center;height:var(--topbar-h);background:var(--bg-panel);border-bottom:1px solid var(--border);padding:0 14px;gap:10px;flex-shrink:0;z-index:10}.topbar-left,.topbar-right{display:flex;align-items:center;gap:8px;min-width:140px}.topbar-center{flex:1;display:flex;align-items:center;justify-content:center}.topbar-right{justify-content:flex-end}.logo{font-size:15px;font-weight:600;color:var(--text-1);letter-spacing:-.3px;white-space:nowrap}.topbar-divider{width:1px;height:20px;background:var(--border);flex-shrink:0}.current-app-indicator{display:flex;align-items:center;gap:7px;min-width:0}.app-icon-sm{width:22px;height:22px;border-radius:5px;font-size:11px;flex-shrink:0}.current-app-name{font-size:13px;font-weight:500;color:var(--text-1);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:160px}.save-status{font-size:12px;color:var(--text-3);transition:color .2s}.save-status.error{color:var(--danger)}.workspace{display:flex;flex:1;min-height:0;overflow:hidden}.panel-toolbar{display:flex;align-items:center;gap:6px;padding:0 10px;height:36px;background:var(--bg-panel);border-bottom:1px solid var(--border);flex-shrink:0}.toolbar-label{flex:1;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.8px;color:var(--text-3)}.sidebar{width:var(--sidebar-w);display:flex;flex-direction:column;background:var(--bg-panel);border-right:1px solid var(--border);flex-shrink:0}.sidebar-header{padding:0 14px;height:36px;display:flex;align-items:center;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.8px;color:var(--text-3);border-bottom:1px solid var(--border);flex-shrink:0}.app-list{flex:1;overflow-y:auto;padding:5px 0}.app-item{display:flex;align-items:center;gap:8px;padding:6px 10px;margin:1px 6px;border-radius:6px;cursor:pointer;user-select:none;transition:background .1s}.app-item:hover{background:var(--bg-hover)}.app-item.active{background:#388bfd1f;border-left:2px solid var(--accent);padding-left:8px}.app-item.active .app-name{color:var(--text-1)}.app-icon{width:28px;height:28px;border-radius:7px;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:13px;color:#fff;flex-shrink:0}.app-name{flex:1;font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--text-1)}.app-delete{background:none;border:none;color:transparent;font-size:11px;cursor:pointer;padding:3px 5px;border-radius:4px;flex-shrink:0;line-height:1;transition:background .1s,color .1s}.app-item:hover .app-delete{color:var(--text-3)}.app-delete:hover{background:var(--danger)!important;color:#fff!important}.app-item.active .app-delete:hover{background:#00000040!important}.sidebar-footer{padding:8px;border-top:1px solid var(--border);flex-shrink:0}.empty-state{padding:24px 14px;text-align:center;color:var(--text-3);font-size:13px;line-height:1.7}.editor-area{display:flex;flex-direction:column;flex:1;min-width:0;border-right:1px solid var(--border)}.editor-container{flex:1;overflow:hidden;background:#1e1e2e}.preview-area{display:flex;flex-direction:column;flex:1;min-width:0;border-right:1px solid var(--border)}.preview-placeholder{flex:1;display:flex;align-items:center;justify-content:center;padding:20px;text-align:center;color:var(--text-3);font-size:13px;line-height:1.7;background:var(--bg-surface)}.preview-iframe{flex:1;width:100%;border:none;background:#fff;display:block}.preview-iframe[hidden],#preview-placeholder[hidden]{display:none!important}.chat-area{width:var(--chat-w);display:flex;flex-direction:column;background:var(--bg-panel);flex-shrink:0}.chat-panel{flex:1;display:flex;flex-direction:column;min-height:0}.chat-messages{flex:1;overflow-y:auto;padding:12px;display:flex;flex-direction:column;gap:8px}.chat-placeholder{margin:auto;text-align:center;color:var(--text-3);font-size:13px;line-height:1.7;padding:20px}.chat-message{padding:9px 12px;border-radius:10px;font-size:13px;line-height:1.6;max-width:100%;word-break:break-word}.chat-message.user{background:var(--bg-hover);color:var(--text-1);align-self:flex-end;border-bottom-right-radius:3px;white-space:pre-wrap;border:1px solid var(--border)}.chat-message.assistant{background:var(--bg-surface);color:var(--text-1);align-self:flex-start;border-bottom-left-radius:3px;border:1px solid var(--border)}.chat-message.assistant p{margin:0 0 .6em}.chat-message.assistant p:last-child{margin-bottom:0}.chat-message.assistant ul,.chat-message.assistant ol{margin:.4em 0 .6em 1.4em}.chat-message.assistant li{margin-bottom:.2em}.chat-message.assistant h1,.chat-message.assistant h2,.chat-message.assistant h3{margin:.7em 0 .3em;color:var(--text-1);font-size:13px;font-weight:600}.chat-message.assistant code{background:var(--bg-deep);border:1px solid var(--border);border-radius:4px;padding:1px 5px;font-size:12px;font-family:Fira Code,Cascadia Code,monospace;color:var(--text-1)}.chat-message.assistant pre{background:var(--bg-deep);border:1px solid var(--border);border-radius:6px;padding:10px 12px;margin:.5em 0;overflow-x:auto}.chat-message.assistant pre code{background:none;border:none;padding:0;font-size:12px}.chat-message.assistant strong{color:var(--text-1);font-weight:600}.chat-message.assistant a{color:var(--accent);text-decoration:underline}.chat-message.assistant hr{border:none;border-top:1px solid var(--border);margin:.6em 0}.chat-message.assistant blockquote{border-left:3px solid var(--border);margin:.4em 0;padding-left:10px;color:var(--text-2)}.chat-message.system{color:var(--text-2);font-style:italic;font-size:12px}.chat-message.error{background:#e74c3c1f;color:var(--danger);border:1px solid rgba(231,76,60,.25)}.chat-message.tool-call{background:var(--bg-deep);border:1px solid var(--border);border-left:3px solid var(--text-3);border-radius:6px;padding:6px 10px;font-size:12px;align-self:stretch}.chat-message.tool-call.pending{border-left-color:var(--warning)}.chat-message.tool-call.tool-done{border-left-color:var(--success)}.chat-message.tool-call.tool-error{border-left-color:var(--danger)}.tool-header{display:flex;align-items:center;gap:8px}.tool-name{font-weight:500;color:var(--text-2);font-family:Fira Code,monospace;font-size:12px;flex:1}.tool-status{font-size:11px;color:var(--text-3)}.tool-call.pending .tool-status{color:var(--warning)}.tool-call.tool-done .tool-status{color:var(--success)}.tool-call.tool-error .tool-status{color:var(--danger)}.tool-detail{margin-top:3px;font-size:11px;color:var(--text-3);font-family:Fira Code,monospace;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.tool-call.tool-error .tool-detail{color:var(--danger);white-space:normal}.chat-input-row{display:flex;flex-direction:column;gap:6px;padding:8px;border-top:1px solid var(--border);flex-shrink:0}#chat-input{width:100%;background:var(--bg-surface);border:1px solid var(--border);border-radius:8px;color:var(--text-1);padding:8px 10px;font-size:16px;font-family:inherit;resize:none;outline:none;transition:border-color .15s;line-height:1.5}#chat-input:focus{border-color:var(--accent)}#chat-input::placeholder{color:var(--text-3)}.btn-primary svg,.btn-secondary svg{width:14px;height:14px;stroke-width:2;vertical-align:-2px;flex-shrink:0}.btn-primary{background:var(--accent);color:#fff;border:none;border-radius:6px;padding:7px 14px;font-size:13px;font-weight:500;cursor:pointer;display:inline-flex;align-items:center;gap:5px;transition:background .1s,opacity .1s;white-space:nowrap;font-family:inherit}.btn-primary:hover{background:var(--accent-h)}.btn-primary:disabled{opacity:.5;cursor:not-allowed}.btn-secondary{background:var(--bg-surface);color:var(--text-2);border:1px solid var(--border);border-radius:6px;padding:6px 12px;font-size:13px;cursor:pointer;display:inline-flex;align-items:center;gap:5px;transition:background .1s,color .1s;white-space:nowrap;font-family:inherit}.btn-secondary:hover{background:var(--bg-hover);color:var(--text-1)}.btn-sm{padding:4px 9px;font-size:12px}.full-width{width:100%;justify-content:center}.modal{position:fixed;inset:0;z-index:100;display:flex;align-items:center;justify-content:center}.modal.hidden{display:none}.modal-backdrop{position:absolute;inset:0;background:#0009;backdrop-filter:blur(2px)}.modal-content{position:relative;background:var(--bg-panel);border:1px solid var(--border);border-radius:12px;padding:28px;width:min(480px,90vw);display:flex;flex-direction:column;gap:18px;box-shadow:0 24px 64px #00000080}.modal-content h2{font-size:18px;color:var(--text-1)}.form-group{display:flex;flex-direction:column;gap:7px}.form-group label{font-size:13px;font-weight:600;color:var(--text-2)}.form-group input{background:var(--bg-surface);border:1px solid var(--border);border-radius:7px;color:var(--text-1);padding:9px 12px;font-size:16px;font-family:Fira Code,Cascadia Code,monospace;outline:none;transition:border-color .15s}.form-group input:focus{border-color:var(--accent)}.settings-select{background:var(--bg-surface);border:1px solid var(--border);border-radius:7px;color:var(--text-1);padding:9px 12px;font-size:16px;font-family:inherit;outline:none;cursor:pointer;width:100%;transition:border-color .15s}.settings-select:focus{border-color:var(--accent)}.form-group small{color:var(--text-3);font-size:12px;line-height:1.55}.form-group small code{font-family:monospace;background:var(--bg-hover);padding:1px 4px;border-radius:3px;font-size:11px}.modal-actions{display:flex;gap:8px;justify-content:flex-end}.codex-status{font-size:13px;padding:4px 0 6px;font-weight:500}.codex-signed-in{color:#4caf82}.codex-signed-out{color:var(--text-3)}.mobile-tabs{display:none}::-webkit-scrollbar{width:5px;height:5px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--text-3)}@media (max-width: 768px){:root{--sidebar-w: 100%;--chat-w: 100%}#app{height:100dvh}.topbar{padding:0 10px}.topbar-left,.topbar-right{min-width:0}.logo{font-size:14px}.workspace{flex-direction:column;overflow:hidden}.workspace>[data-panel]{flex:1;width:100%;height:100%;border-right:none;border-bottom:1px solid var(--border)}.workspace>[data-panel].mobile-hidden{display:none!important}.mobile-tabs{display:flex;height:var(--tabs-h);background:var(--bg-panel);border-top:1px solid var(--border);flex-shrink:0}.mobile-tab{flex:1;background:none;border:none;color:var(--text-3);font-size:11px;font-family:inherit;cursor:pointer;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;transition:color .1s;padding:0;-webkit-tap-highlight-color:transparent}.mobile-tab svg{width:18px;height:18px;stroke-width:1.75}.mobile-tab:active{background:var(--bg-hover)}.mobile-tab.active{color:var(--accent)}.sidebar{height:100%}.app-list{overflow-y:auto}.chat-area{height:100%}}@media (max-width: 400px){.topbar-center{display:none}}