:root{--bg: #0d1117;--panel: #161b22;--border: #30363d;--text: #c9d1d9;--muted: #8b949e;--accent: #1f6feb;--danger: #da3633}*{box-sizing:border-box}[hidden]{display:none!important}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--text);background:var(--bg);height:100vh;display:flex;flex-direction:column}button{background:var(--panel);color:var(--text);border:1px solid var(--border);border-radius:6px;padding:6px 12px;cursor:pointer;font-size:13px}button:hover:not(:disabled){border-color:var(--accent)}button:disabled{opacity:.4;cursor:not-allowed}button.danger:hover:not(:disabled){border-color:var(--danger);color:var(--danger)}input,textarea{background:var(--bg);color:var(--text);border:1px solid var(--border);border-radius:6px;padding:8px;font-size:14px}.grow{flex:1}.version{color:var(--muted);font-size:12px;font-weight:400}.gate{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;background:var(--bg);z-index:10}.gate-card{width:min(420px,90vw);border:1px solid var(--border);border-radius:12px;background:var(--panel);padding:28px;text-align:center}.gate-card h1{margin:0 0 8px;font-size:20px}.gate-msg{color:var(--muted);font-size:14px}.gate-warning{background:#da36331f;border:1px solid var(--danger);color:#f0b3b1;border-radius:8px;padding:10px;font-size:12px;margin:12px 0;text-align:left}.gate-actions{display:flex;flex-direction:column;gap:10px;margin-top:16px}.gate-actions button{padding:10px;font-size:14px}.recovery-display{margin-top:20px;border-top:1px solid var(--border);padding-top:16px}.recovery-display code{display:block;background:var(--bg);border:1px solid var(--border);border-radius:8px;padding:12px;margin:10px 0;font-size:13px;word-break:break-all}.topbar{display:flex;align-items:center;gap:12px;padding:10px 16px;border-bottom:1px solid var(--border);background:var(--panel)}.status{font-size:12px;color:var(--muted)}.status.online{color:#2ea043}.layout{display:flex;flex:1;min-height:0}.sidebar{width:280px;border-right:1px solid var(--border);display:flex;flex-direction:column;min-height:0}.sidebar-actions{padding:12px;border-bottom:1px solid var(--border)}.sidebar-actions button{width:100%}.note-list{list-style:none;margin:0;padding:0;overflow-y:auto;flex:1}.note-list li{padding:10px 14px;border-bottom:1px solid var(--border);cursor:pointer;font-size:14px;display:flex;flex-direction:column;gap:2px}.note-list li.active{background:#1f6feb26}.note-list .meta{font-size:11px;color:var(--muted)}.note-list li.zombie{opacity:.55}.identity{padding:12px;border-top:1px solid var(--border);display:flex;flex-direction:column;gap:6px}.identity label{font-size:11px;color:var(--muted)}.identity input{font-size:11px}.editor,.empty{flex:1;display:flex;flex-direction:column;min-width:0}.empty{align-items:center;justify-content:center;color:var(--muted)}.zombie-banner{background:#8b949e1f;border-bottom:1px solid var(--border);color:var(--muted);padding:8px 16px;font-size:12px}.editor-actions{position:relative;display:flex;align-items:center;gap:8px;padding:12px;border-bottom:1px solid var(--border)}.title-input{flex:1;min-width:0;font-size:16px;font-weight:600}.actions{display:flex;gap:8px}.menu-btn{display:none}.surface{display:flex;flex:1;min-height:0}.content-input{flex:1;border:none;border-radius:0;resize:none;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13px;line-height:1.6;padding:16px 24px}.preview{flex:1;overflow-y:auto;padding:16px 24px;cursor:text}.preview:focus{outline:none}.preview .hint{color:var(--muted)}.preview :first-child{margin-top:0}.back-btn{display:none}.preview pre{background:var(--panel);padding:12px;border-radius:6px;overflow-x:auto}.preview code{background:var(--panel);padding:2px 4px;border-radius:4px}@media(orientation:portrait)and (max-width:820px){.sidebar{width:100%;border-right:none}.empty{display:none!important}.layout.has-active .sidebar{display:none}.back-btn{display:inline-flex;flex:none;white-space:nowrap}}@media(max-width:900px){.editor-actions .grow{display:none}.menu-btn{display:inline-flex;flex:none}.actions{display:none;position:absolute;top:100%;right:8px;z-index:5;flex-direction:column;min-width:150px;padding:6px;background:var(--panel);border:1px solid var(--border);border-radius:8px}.actions.open{display:flex}.actions button{width:100%;text-align:left}}