/**
 * 素材市场：左侧创建条、库管理弹窗（独立前缀 material-mm-）；创建素材 / 批量管理入口在创建下拉内
 */

.material-mm-sidebar {
    display: flex;
    flex-direction: column;
    width: 170px;
    min-width: 170px;
    height: 100%;
    background: var(--bg-secondary, #1f1f1f);
    border-right: 1px solid var(--border-primary, #3a3a3a);
    flex-shrink: 0;
    font-family: "Microsoft YaHei", "微软雅黑", "SimSun", "宋体", "Arial", sans-serif;
}

.material-mm-sidebar .material-market-sub-nav {
    width: 100%;
    min-width: 0;
    flex: 1;
    height: 100%;
    border-right: none;
    padding: 10px 8px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.material-mm-sidebar.material-mm-sidebar--empty .material-market-sub-nav {
    display: none;
}

/* 左侧动态导航视觉对齐 AI 设计面板：按钮式、圆角、蓝色激活态 */
.material-mm-sidebar .sub-nav-group {
    display: flex;
    flex-direction: column;
    width: 100%;
    gap: 8px;
}

.material-mm-sidebar .sub-nav-group-common,
.material-mm-sidebar .sub-nav-group-unreal {
    background: transparent;
}

.material-mm-sidebar .sub-nav-divider {
    height: 1px;
    margin: 2px 8px 4px;
    border: none;
    border-top: 1px dashed rgba(255, 255, 255, 0.14);
}

.material-mm-sidebar .sub-nav-item {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 8px;
    padding: 10px 10px;
    border-radius: 8px;
    border: 1px solid var(--border-primary, #333333);
    background: var(--bg-tertiary, #1a1a1a);
    color: var(--text-primary, #e0e0e0);
    font-size: 13px;
    font-family: "Microsoft YaHei", "微软雅黑", "SimSun", "宋体", "Arial", sans-serif;
    text-align: left;
    transition: all 0.2s ease;
}

.material-mm-sidebar .sub-nav-item:hover {
    background: var(--bg-hover, #333333);
    border-color: var(--border-secondary, #404040);
    color: var(--text-accent, #4a9eff);
    transform: none;
}

.material-mm-sidebar .sub-nav-item.active {
    background: linear-gradient(135deg, rgba(74, 158, 255, 0.22) 0%, rgba(74, 158, 255, 0.12) 100%);
    border: 1px solid var(--border-secondary, #404040);
    border-left: 1px solid var(--border-secondary, #404040);
    color: #7dc1ff;
    font-weight: normal;
}

.material-mm-sidebar .sub-nav-item.active .sub-nav-item-text {
    font-weight: bold;
    text-shadow: 0 0 10px rgba(125, 193, 255, 0.35);
}

.material-mm-sidebar .sub-nav-item-icon {
    width: 18px;
    height: 18px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: none;
}

.material-mm-sidebar .sub-nav-item:hover .sub-nav-item-icon,
.material-mm-sidebar .sub-nav-item.active .sub-nav-item-icon {
    color: var(--text-accent, #4a9eff);
}

.material-mm-sidebar .sub-nav-item.active .sub-nav-item-icon {
    color: #7dc1ff;
    filter: drop-shadow(0 0 6px rgba(125, 193, 255, 0.4));
}

.material-mm-sidebar .sub-nav-item-text {
    flex: 1;
    min-width: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.material-market-panel.material-market-panel--no-libraries .material-market-placeholder .placeholder-icon {
    display: none;
}

/* 须高于同列下方的 .material-market-sub-nav，否则下拉层与之重叠时点击会落到子导航上，菜单项无法响应 */
.material-mm-panel__create-bar {
    position: relative;
    z-index: 30;
    padding: 8px 10px 10px;
    border-bottom: 1px solid var(--border-primary, #3a3a3a);
    flex-shrink: 0;
}

.material-mm-panel__dropdown {
    position: relative;
    z-index: 1;
}

.material-mm-panel__create-btn {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 8px 12px;
    font-size: 13px;
    font-family: inherit;
    color: var(--text-primary, #e8e8e8);
    background: var(--bg-secondary, #2a2a2a);
    border: 1px solid var(--border-primary, #444);
    border-radius: var(--radius-md, 6px);
    cursor: pointer;
}

.material-mm-panel__create-btn:hover {
    background: var(--bg-card, #333);
}

.material-mm-panel__caret {
    font-size: 11px;
    opacity: 0.85;
}

.material-mm-panel__dropdown-menu {
    position: absolute;
    left: 0;
    right: auto;
    top: calc(100% + 4px);
    z-index: 50;
    min-width: 140px;
    background: var(--bg-card, #2d2d2d);
    border: 1px solid var(--border-primary, #444);
    border-radius: var(--radius-md, 6px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
    padding: 4px 0;
}

.material-mm-panel__menu-item {
    display: block;
    width: 100%;
    text-align: left;
    padding: 10px 14px;
    white-space: nowrap;
    font-size: 13px;
    font-family: inherit;
    color: var(--text-primary, #e8e8e8);
    background: transparent;
    border: none;
    cursor: pointer;
}

.material-mm-panel__menu-item:hover {
    background: rgba(255, 255, 255, 0.06);
}

.material-mm-panel__menu-divider {
    margin: 4px 0;
    border: none;
    border-top: 1px dashed rgba(255, 255, 255, 0.14);
}

/* 高于素材分类/卡片等 fixed 层（约 10000–10001），避免弹窗被挡在面板内不可见 */
.material-mm-panel__modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 150000;
    background: rgba(0, 0, 0, 0.55);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: "Microsoft YaHei", "微软雅黑", "SimSun", "宋体", "Arial", sans-serif;
}

.material-mm-panel__modal {
    width: 92%;
    max-width: 480px;
    max-height: 90vh;
    background: var(--bg-card, #2a2a2a);
    border: 1px solid var(--border-primary, #444);
    border-radius: 10px;
    display: flex;
    flex-direction: column;
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.45);
}

.material-mm-panel__modal--wide {
    max-width: 720px;
}

.material-mm-panel__modal-head {
    padding: 14px 18px;
    font-size: 16px;
    font-weight: bold;
    color: var(--text-primary, #eee);
    border-bottom: 1px solid var(--border-primary, #3d3d3d);
}

.material-mm-panel__modal-body {
    padding: 14px 18px;
    overflow: auto;
}

.material-mm-panel__modal-body--scroll {
    max-height: 55vh;
}

.material-mm-panel__modal-foot {
    padding: 12px 18px;
    border-top: 1px solid var(--border-primary, #3d3d3d);
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

.material-mm-panel__field {
    display: block;
    font-size: 12px;
    color: var(--text-secondary, #aaa);
    margin: 10px 0 6px;
}

.material-mm-panel__input {
    width: 100%;
    box-sizing: border-box;
    padding: 8px 10px;
    font-size: 13px;
    font-family: inherit;
    color: var(--text-primary, #eee);
    background: var(--bg-secondary, #1e1e1e);
    border: 1px solid var(--border-primary, #444);
    border-radius: 6px;
}

.material-mm-panel__input--sm {
    max-width: 160px;
}

.material-mm-panel__row {
    display: flex;
    align-items: center;
    gap: 8px;
}

.material-mm-panel__check-row {
    margin-top: 12px;
    font-size: 13px;
    color: var(--text-primary, #ddd);
}

.material-mm-panel__icon-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.material-mm-panel__icon-pick {
    width: 40px;
    height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    border-radius: 8px;
    border: 1px solid var(--border-primary, #444);
    background: var(--bg-secondary, #1a1a1a);
    color: var(--text-primary, #ccc);
    cursor: pointer;
}

.material-mm-panel__icon-pick.is-active {
    border-color: #5b9bd5;
    box-shadow: 0 0 0 1px #5b9bd5 inset;
}

.material-mm-panel__btn {
    padding: 8px 16px;
    font-size: 13px;
    font-family: inherit;
    border-radius: 6px;
    border: 1px solid var(--border-primary, #444);
    cursor: pointer;
    background: var(--bg-secondary, #333);
    color: var(--text-primary, #eee);
}

.material-mm-panel__btn--primary {
    background: #3d6fa8;
    border-color: #4a7ab5;
    color: #fff;
}

.material-mm-panel__btn--ghost {
    background: transparent;
}

.material-mm-panel__btn--danger {
    background: #6b2d2d;
    border-color: #844;
    color: #fdd;
}

.material-mm-panel__subhead {
    font-size: 14px;
    font-weight: bold;
    color: var(--text-primary, #eee);
    margin-bottom: 8px;
}

.material-mm-panel__subhead--spaced {
    margin-top: 18px;
}

.material-mm-panel__lib-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.material-mm-panel__lib-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    padding: 10px;
    border: 1px solid var(--border-primary, #3d3d3d);
    border-radius: 8px;
    background: rgba(0, 0, 0, 0.15);
}

.material-mm-panel__lib-main {
    flex: 1 1 200px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.material-mm-panel__lib-id {
    font-size: 11px;
    color: var(--text-secondary, #888);
    word-break: break-all;
}

.material-mm-panel__row-btns {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 8px;
}

.material-mm-panel__search-results {
    margin-top: 12px;
    min-height: 40px;
    font-size: 13px;
    color: var(--text-secondary, #bbb);
}

.material-mm-panel__user-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding: 8px 0;
    border-bottom: 1px solid var(--border-primary, #333);
    font-size: 13px;
    color: var(--text-primary, #ddd);
}