:root{--bg-color:#0f172a;--sidebar-color:#1e293b;--text-primary:#f8fafc;--text-secondary:#94a3b8;--accent-color:#3b82f6;--border-color:#334155;--window-bg:#f8fafc;--window-header:#e2e8f0}body{background-color:var(--bg-color);color:var(--text-primary);margin:0;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif;overflow:hidden}.app-container{flex-direction:column;width:100vw;height:100vh;display:flex}.menubar{background-color:var(--sidebar-color);border-bottom:1px solid var(--border-color);z-index:1000;-webkit-user-select:none;user-select:none;align-items:center;height:32px;padding:0 8px;display:flex}.menu-root-item{height:100%;color:var(--text-primary);cursor:pointer;align-items:center;padding:0 12px;font-size:13px;transition:background-color .1s;display:flex;position:relative}.menu-root-item:hover,.menu-root-item.active{background-color:var(--accent-color)}.dropdown-menu{z-index:1001;background-color:#f8fafc;border:1px solid #cbd5e1;border-radius:0 0 4px 4px;min-width:200px;position:absolute;top:100%;left:0;box-shadow:0 10px 15px -3px #0000001a}.dropdown-item{color:#334155;cursor:pointer;white-space:nowrap;align-items:center;gap:8px;padding:6px 16px;font-size:13px;display:flex}.dropdown-item:hover{color:#1e293b;background-color:#e2e8f0}.dropdown-divider{background-color:#e2e8f0;height:1px;margin:4px 0}.desktop{background-image:radial-gradient(circle at 2px 2px,#ffffff0d 1px,#0000 0);background-size:24px 24px;flex:1;position:relative;overflow:hidden}.window-container{background-color:var(--window-bg);border:1px solid #555;border-radius:0;flex-direction:column;display:flex;overflow:hidden;box-shadow:0 6px 20px #0006}.window-header{cursor:move;-webkit-user-select:none;user-select:none;background:linear-gradient(#126ad6,#0b4ea9);justify-content:space-between;align-items:center;height:28px;padding:0 8px;display:flex}.window-title{color:#fff;letter-spacing:.3px;font-family:Meiryo,MS UI Gothic,sans-serif;font-size:12px;font-weight:700}.window-controls{gap:4px;display:flex}.control-btn{cursor:pointer;color:#fff;background:#ffffff40;border:1px solid #fff6;border-radius:2px;place-items:center;width:16px;height:16px;padding:0;font-size:10px;line-height:1;display:grid}.control-btn:hover{background:#ffffff73}.btn-close:before{content:"×"}.btn-min:before{content:"−"}.btn-max:before{content:"□"}.btn-restore:before{content:"❐"}.window-body{background-color:#fff;flex:1}.window-iframe{border:none;width:100%;height:100%}body.win-interacting iframe{pointer-events:none!important}.status-bar{background-color:var(--sidebar-color);border-top:1px solid var(--border-color);height:24px;color:var(--text-secondary);align-items:center;padding:0 1rem;font-size:11px;display:flex;position:absolute;bottom:0;left:0;right:0}