:root{--bg: #1e1e1e;--bg-alt: #252526;--fg: #d4d4d4;--accent: #0a84ff;--border: #3c3c3c;color-scheme:dark}*{box-sizing:border-box}html,body,#app{height:100%;margin:0}body{font-family:-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--fg)}#app{display:flex;flex-direction:column}#app[hidden],#penView[hidden]{display:none}#titlebar{display:flex;align-items:center;justify-content:space-between;background:var(--bg-alt);border-bottom:1px solid var(--border);padding:0 8px;flex-shrink:0}.sidebar-toggle-btn{display:none;background:none;border:none;color:var(--fg);font-size:16px;cursor:pointer;padding:4px 8px;flex-shrink:0}#tabs{display:flex;overflow-x:auto}.tab{display:flex;align-items:center;gap:6px;background:transparent;border:none;border-right:1px solid var(--border);color:var(--fg);padding:8px 10px;font-size:13px;cursor:pointer;white-space:nowrap}.tab.active{background:var(--bg);border-bottom:2px solid var(--accent)}.tab-close{opacity:.6;padding:0 2px}.tab-close:hover{opacity:1}#toolbar{display:flex;align-items:center;gap:8px;padding:6px 0}#toolbar button{background:var(--bg);border:1px solid var(--border);color:var(--fg);border-radius:4px;padding:4px 10px;font-size:13px;cursor:pointer}#toolbar button:hover{border-color:var(--accent)}#authStatus{font-size:12px;opacity:.8;padding:0 6px}#workspace{flex:1;display:flex;min-height:0;position:relative}#sidebar{width:220px;flex-shrink:0;background:var(--bg-alt);border-right:1px solid var(--border);overflow-y:auto;display:flex;flex-direction:column}#sidebarBackdrop{display:none}@media (max-width: 700px){.sidebar-toggle-btn{display:inline-block}#sidebar{position:absolute;top:0;left:0;bottom:0;width:260px;max-width:80vw;z-index:20;transform:translate(-100%);transition:transform .2s ease;box-shadow:2px 0 16px #00000080}#sidebar.open{transform:translate(0)}#sidebarBackdrop{display:block;position:absolute;top:0;right:0;bottom:0;left:0;background:#0006;z-index:10;opacity:0;pointer-events:none;transition:opacity .2s ease}#sidebarBackdrop.open{opacity:1;pointer-events:auto}}.sidebar-header{display:flex;align-items:center;justify-content:space-between;padding:8px 10px;border-bottom:1px solid var(--border)}.sidebar-header h3{margin:0;font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:#999}.sidebar-header h3.clickable{cursor:pointer;color:var(--accent)}.sidebar-header button{background:none;border:none;color:var(--fg);cursor:pointer;font-size:14px}#cloudFileList{list-style:none;margin:0;padding:0;overflow-y:auto}#cloudFileList li{display:flex;align-items:center;justify-content:space-between;gap:4px;padding:7px 10px;font-size:13px;cursor:pointer;border-bottom:1px solid rgba(255,255,255,.04)}#cloudFileList li:hover{background:#ffffff0d}#cloudFileList li.active{background:#0a84ff26}#cloudFileList .file-delete{opacity:.5;flex-shrink:0}#cloudFileList .file-delete:hover{opacity:1}#cloudFileList .empty-hint{padding:12px 10px;font-size:12px;color:#888;cursor:default}#projectList{list-style:none;margin:0;padding:0;border-bottom:1px solid var(--border)}#projectList li{display:flex;align-items:center;justify-content:space-between;gap:4px;padding:7px 10px;font-size:13px;cursor:pointer;border-bottom:1px solid rgba(255,255,255,.04)}#projectList li:hover{background:#ffffff0d}#projectList li.active{background:#0a84ff26}#projectList .project-type-badge{font-size:10px;text-transform:uppercase;color:#888;border:1px solid var(--border);border-radius:3px;padding:1px 4px;flex-shrink:0}#projectList .project-delete{opacity:.5;flex-shrink:0}#projectList .project-delete:hover{opacity:1}.project-type-choice{display:flex;gap:8px}.project-type-option{flex:1;display:flex;align-items:flex-start;gap:6px;border:1px solid var(--border);border-radius:6px;padding:8px;cursor:pointer;font-size:12px}.project-type-option:has(input:checked){border-color:var(--accent)}.project-type-option div{display:flex;flex-direction:column;gap:2px}.project-type-option span{color:#888;font-size:11px}#editor-container{flex:1;overflow:hidden;min-height:0}#editor-container .cm-editor{height:100%}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000}.modal{background:var(--bg-alt);border:1px solid var(--border);border-radius:8px;padding:20px;width:320px;max-width:calc(100vw - 32px)}.modal-title{margin:0 0 12px;font-size:15px}.modal-body-text{font-size:13px;color:#ccc;margin:0 0 8px;line-height:1.5}.modal-meta{font-size:12px;color:#888;margin:0 0 4px}.modal-tabs{display:flex;gap:4px;margin-bottom:16px}.modal-tab{flex:1;background:none;border:1px solid var(--border);color:#999;padding:6px;border-radius:4px;cursor:pointer;font-size:13px}.modal-tab.active{border-color:var(--accent);color:var(--accent)}.modal-form{display:flex;flex-direction:column;gap:10px}.modal-form label{display:flex;flex-direction:column;gap:4px;font-size:12px;color:#ccc}.modal-form label[hidden]{display:none}.modal-form input{background:var(--bg);border:1px solid var(--border);color:var(--fg);padding:7px 8px;border-radius:4px;font-size:14px}.link-forgot{background:none;border:none;color:var(--accent);font-size:12px;text-align:left;cursor:pointer;padding:0;margin-top:-4px}.modal-error{color:#ff6b6b;font-size:12px;margin:0}.modal-success{color:#4caf50;font-size:12px;margin:0}.modal-legal{color:#888;font-size:11px;margin:0;line-height:1.4}.modal-legal a{color:var(--accent)}.modal-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:4px}.btn-primary,.btn-secondary{padding:7px 14px;border-radius:4px;font-size:13px;cursor:pointer;border:1px solid var(--border)}.btn-primary{background:var(--accent);border-color:var(--accent);color:#fff}.btn-secondary{background:transparent;color:var(--fg)}#statusbar{display:flex;justify-content:space-between;background:var(--accent);color:#fff;font-size:12px;padding:3px 10px;flex-shrink:0}#penView{height:100%;display:flex;flex-direction:column}#penToolbar{display:flex;align-items:center;gap:10px;background:var(--bg-alt);border-bottom:1px solid var(--border);padding:6px 10px;flex-shrink:0}#penToolbar button{background:var(--bg);border:1px solid var(--border);color:var(--fg);border-radius:4px;padding:4px 10px;font-size:13px;cursor:pointer}#penToolbar button:hover{border-color:var(--accent)}#penProjectName{font-size:13px;color:#ccc}.pen-spacer{flex:1}#penStatus{font-size:12px;color:#888}#penGrid{flex:1;display:grid;grid-template-columns:1fr 1fr;grid-template-rows:1fr 1fr;gap:1px;background:var(--border);min-height:0}.pen-pane{background:var(--bg);display:flex;flex-direction:column;min-height:0;min-width:0}.pen-pane-label{font-size:11px;text-transform:uppercase;letter-spacing:.04em;color:#888;padding:4px 8px;background:var(--bg-alt);flex-shrink:0}.pen-editor{flex:1;overflow:hidden;min-height:0}.pen-editor .cm-editor{height:100%}.pen-preview-pane{display:flex;flex-direction:column}#penPreview{flex:1;width:100%;border:none;background:#fff;min-height:0}#penConsole{flex-shrink:0;max-height:100px;overflow-y:auto;background:#111;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px}.pen-console-line{padding:2px 8px;border-bottom:1px solid rgba(255,255,255,.05);white-space:pre-wrap;word-break:break-word}.pen-console-error{color:#ff6b6b}.pen-console-warn{color:#f0c674}@media (max-width: 700px){#penGrid{grid-template-columns:1fr;grid-template-rows:repeat(4,minmax(160px,1fr));overflow-y:auto}}