/* 素材库 */
.ml-layout { display: flex; gap: 16px; height: calc(100vh - 170px); }
.ml-side { width: 200px; flex: 0 0 auto; background: var(--bg-white); border: 1px solid var(--border); border-radius: 12px; padding: 12px; overflow-y: auto; }
.ml-side-h { font-size: 13px; color: var(--text-secondary); font-weight: 600; margin-bottom: 8px; }
.ml-folder { display: flex; align-items: center; gap: 8px; padding: 8px 10px; border-radius: 8px; cursor: pointer; font-size: 13px; color: var(--text); }
.ml-folder:hover { background: var(--bg-warm); }
.ml-folder.on { background: var(--primary-light); color: #e8b04b; }
.ml-folder span { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ml-folder-del { opacity: 0; font-size: 11px; color: var(--text-hint); }
.ml-folder:hover .ml-folder-del { opacity: 1; }
.ml-folder-del:hover { color: #ef4444; }
.ml-newfolder { width: 100%; margin-top: 10px; padding: 8px; border: 1px dashed var(--border); background: transparent; border-radius: 8px; color: var(--text-secondary); cursor: pointer; font-size: 13px; }
.ml-newfolder:hover { border-color: #a86412; color: #a86412; }
.ml-main { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.ml-toolbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 14px; flex-wrap: wrap; gap: 10px; }
.ml-tabs { display: flex; gap: 6px; }
.ml-tab { padding: 7px 14px; border: 1px solid var(--border); background: var(--bg-white); border-radius: 8px; cursor: pointer; font-size: 13px; color: var(--text); }
.ml-tab.on { background: #a86412; color: #fff; border-color: #a86412; }
.ml-filters { display: flex; gap: 8px; align-items: center; }
.ml-filters select { padding: 7px 10px; border: 1px solid var(--border); border-radius: 8px; font-size: 13px; background: var(--bg-white); }
.ml-upbtn { padding: 7px 14px; background: #a86412; color: #fff; border-radius: 8px; cursor: pointer; font-size: 13px; white-space: nowrap; }
.ml-upbtn:hover { background: #875210; }
.ml-grid { flex: 1; overflow-y: auto; display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 14px; align-content: start; padding: 2px; }
.ml-card { background: var(--bg-white); border: 1px solid var(--border); border-radius: 10px; overflow: hidden; transition: box-shadow .15s; }
.ml-card:hover { box-shadow: 0 4px 16px rgba(0,0,0,.4); border-color: rgba(255,255,255,.16); }
.ml-card-thumb { position: relative; aspect-ratio: 1; background: var(--bg-warm); cursor: pointer; overflow: hidden; }
.ml-card-thumb img, .ml-card-thumb video { width: 100%; height: 100%; object-fit: cover; }
.ml-aud { width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; color: #e8c073; font-size: 30px; }
.ml-badge { position: absolute; top: 6px; left: 6px; font-size: 10px; padding: 2px 8px; border-radius: 6px; color: #fff; }
.ml-badge.input { background: #0ea5e9; }
.ml-badge.output { background: #e0a13a; }
.ml-card-ft { display: flex; align-items: center; gap: 6px; padding: 8px 10px; }
.ml-card-nm { flex: 1; font-size: 12px; color: var(--text); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ml-card-del { color: var(--text-hint); cursor: pointer; font-size: 12px; }
.ml-card-del:hover { color: #ef4444; }
.ml-empty { grid-column: 1/-1; text-align: center; color: var(--text-hint); padding: 60px 20px; font-size: 13px; }
.ml-preview { position: fixed; inset: 0; z-index: 9999; display: flex; align-items: center; justify-content: center; }
.ml-preview-bg { position: absolute; inset: 0; background: rgba(0,0,0,.82); cursor: zoom-out; }
.ml-preview-box { position: relative; z-index: 1; }