dialog{background:var(--bg-tertiary)}.caldav-sidebar{width:250px;flex-shrink:0;height:100%;border-right:1px solid var(--grid-color, rgba(255, 255, 255, .1));overflow:hidden;transition:width .15s ease}.caldav-sidebar.collapsed{width:36px}caldav-config{height:100%}.toolbar-button{background:transparent;border:1px solid var(--grid-color, rgba(255, 255, 255, .1));color:var(--text-primary, rgba(255, 255, 255, .9));padding:4px 8px;border-radius:var(--border-radius-sm, 4px);font-size:13px;line-height:16px;cursor:pointer;display:flex;align-items:center;gap:6px;transition:background .15s,border-color .15s}.toolbar-button:hover{background:var(--bg-button-hover, rgba(255, 255, 255, .05));border-color:var(--grid-color-hover, rgba(255, 255, 255, .2))}.toolbar-button:active{background:var(--bg-button-active, rgba(255, 255, 255, .1))}.toolbar-button[disabled]{opacity:.5}