/* 资源库上传弹窗（画廊 / 音乐 / 资源共用）
   只有管理员会看到入口；按钮和弹窗都挂 .lib-* 前缀，不改动各页原有样式。 */

.lib-slot{display:contents}
.lib-add{display:inline-flex;align-items:center;gap:7px;white-space:nowrap}
.lib-add svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round}
.lib-add:hover svg{transform:rotate(90deg)}
.lib-add svg{transition:transform .35s cubic-bezier(.2,.75,.25,1)}

.lib-modal{position:fixed;inset:0;z-index:130;display:flex;align-items:center;justify-content:center;
  padding:18px;background:rgba(10,16,28,.44);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
  animation:lib-fade .18s ease-out both}
@keyframes lib-fade{from{opacity:0}to{opacity:1}}
.lib-panel{width:min(540px,100%);max-height:min(88vh,820px);overflow:auto;overscroll-behavior:contain;
  background:var(--surface-2);color:var(--text);border:1px solid var(--line);
  border-radius:var(--radius,20px);box-shadow:var(--shadow,0 24px 60px -20px rgba(0,0,0,.5));
  padding:20px 22px 18px;animation:lib-pop .28s cubic-bezier(.2,.8,.25,1) both}
@keyframes lib-pop{from{transform:translateY(14px) scale(.985);opacity:.5}to{transform:none;opacity:1}}
.lib-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:6px}
.lib-head b{font-size:17px}
.lib-x{width:32px;height:32px;display:grid;place-items:center;border-radius:10px;border:1px solid var(--line);
  background:transparent;color:var(--muted);cursor:pointer}
.lib-x:hover{color:var(--text);background:var(--surface)}
.lib-x svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round}
.lib-note{margin:0 0 14px;font-size:13px;line-height:1.6;color:var(--muted)}
.lib-form{display:grid;gap:12px}
.lib-field{display:grid;gap:5px}
.lib-field>span{font-size:12.5px;color:var(--muted)}
.lib-field input[type=text]{width:100%;padding:9px 11px;border-radius:10px;border:1px solid var(--line);
  background:var(--surface);color:var(--text);font:inherit;font-size:14px}
.lib-field input[type=text]:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
.lib-drop{display:flex;align-items:center;gap:12px;padding:14px;border-radius:14px;border:1.5px dashed var(--line);
  background:var(--surface);cursor:pointer;transition:border-color .2s,background .2s}
.lib-drop:hover,.lib-drop.over{border-color:var(--accent);background:var(--accent-soft)}
.lib-drop input{position:absolute;opacity:0;pointer-events:none;width:1px;height:1px}
.lib-drop-t{display:grid;gap:2px;font-size:14px}
.lib-drop-t small{color:var(--muted);font-size:12px}
.lib-drop.has{display:none}
.lib-file-chip{display:none;align-items:center;gap:8px;font-size:13.5px;padding:10px 12px;border-radius:12px;
  background:var(--accent-soft);border:1px solid var(--line);word-break:break-all}
.lib-file-chip.on{display:flex}
.lib-progress{height:6px;border-radius:99px;background:var(--surface-2);overflow:hidden;border:1px solid var(--line)}
.lib-progress i{display:block;height:100%;width:0;background:linear-gradient(90deg,#0078d4,#4f6bff,#9a5cff);
  transition:width .2s ease-out}
.lib-msg{font-size:13px;line-height:1.5;padding:9px 11px;border-radius:10px}
.lib-msg.err{background:rgba(255,86,86,.12);color:#e05656}
.lib-msg.ok{background:rgba(56,178,120,.14);color:#2f9d6b}
.lib-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:2px}
.lib-list{margin-top:18px;border-top:1px solid var(--line);padding-top:12px}
.lib-list h4{margin:0 0 8px;font-size:13px;font-weight:600;color:var(--muted)}
.lib-empty{margin:0;font-size:13px;color:var(--muted)}
.lib-row{display:flex;align-items:center;gap:10px;padding:7px 0;border-bottom:1px dashed var(--line);font-size:13.5px}
.lib-row:last-child{border-bottom:none}
.lib-row-t{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.lib-row-m{color:var(--muted);font-size:12px;white-space:nowrap}
.lib-del{border:1px solid var(--line);background:transparent;color:var(--muted);font:inherit;font-size:12px;
  padding:4px 9px;border-radius:8px;cursor:pointer}
.lib-del:hover{color:#e05656;border-color:rgba(224,86,86,.5)}
@media (prefers-reduced-motion: reduce){.lib-modal,.lib-panel,.lib-add svg{animation:none;transition:none}}

/* 读到的音频标签：一条小提示 + 封面缩略图 */
.lib-meta{display:none;align-items:center;gap:10px;padding:9px 11px;border-radius:12px;
  border:1px dashed var(--line-2);background:var(--surface);font-size:12.5px;color:var(--muted);line-height:1.5}
.lib-meta.on{display:flex}
.lib-meta img{width:44px;height:44px;border-radius:9px;object-fit:cover;flex:0 0 auto;border:1px solid var(--line)}
.lib-meta b{color:var(--text);font-weight:600}
.lib-meta-tip{flex:1;min-width:0}