stack-selector{display:inline-block;position:relative}.stack-selector-button{background:var(--md-sys-color-surface-container);border:1px solid var(--md-sys-color-outline-variant);border-radius:20px;padding:8px 16px;display:flex;align-items:center;gap:8px;cursor:pointer;transition:background .2s ease,border-color .2s ease}.stack-selector-button:hover{background:var(--md-sys-color-surface-container-high);border-color:var(--md-sys-color-outline)}.stack-name{font-size:14px;font-weight:500;color:var(--md-sys-color-on-surface)}.dropdown-icon,.stack-dropdown-header span{color:var(--md-sys-color-on-surface-variant)}.stack-dropdown{position:absolute;top:calc(100% + 8px);right:0;background:var(--md-sys-color-surface-container);border:1px solid var(--md-sys-color-outline-variant);border-radius:12px;min-width:280px;box-shadow:0 4px 16px rgba(0,0,0,.2);z-index:1000;overflow:hidden}.stack-dropdown-header{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-bottom:1px solid var(--md-sys-color-outline-variant)}.stack-dropdown-header span{font-size:12px;font-weight:500;text-transform:uppercase}.stack-manage-btn{background:0 0;border:0;padding:4px;cursor:pointer;border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--md-sys-color-on-surface-variant);transition:background .2s ease}.stack-manage-btn:hover{background:var(--md-sys-color-surface-container-highest)}.stack-list{max-height:300px;overflow-y:auto}.stack-item{width:100%;background:0 0;border:0;padding:12px 16px;display:flex;align-items:center;gap:12px;cursor:pointer;transition:background .2s ease;text-align:left}.stack-item:hover{background:var(--md-sys-color-surface-container-high)}.stack-item.active{background:var(--md-sys-color-primary-container)}.stack-item-info{flex:1;display:flex;flex-direction:column;gap:2px}.stack-item-name{font-size:14px;font-weight:500;color:var(--md-sys-color-on-surface)}.stack-item-desc{font-size:12px;color:var(--md-sys-color-on-surface-variant)}.check-icon,.stack-create-btn:hover{color:var(--md-sys-color-primary)}.stack-dropdown-footer{padding:8px;border-top:1px solid var(--md-sys-color-outline-variant)}.stack-create-btn{width:100%;background:0 0;border:1px dashed var(--md-sys-color-outline);border-radius:8px;padding:8px 12px;display:flex;align-items:center;justify-content:center;gap:8px;cursor:pointer;color:var(--md-sys-color-on-surface-variant);transition:background .2s ease,border-color .2s ease,color .2s ease}.stack-create-btn:hover{background:var(--md-sys-color-surface-container-high);border-color:var(--md-sys-color-primary)}.stack-selector-error{display:flex;align-items:center;gap:8px;padding:8px 16px;background:var(--md-sys-color-error-container);color:var(--md-sys-color-on-error-container);border-radius:20px;font-size:14px}