:root { --chat-content-max: 880px; }

body.media-studio-surface .chat-area {
  position: relative;
  overflow: hidden;
}

body.media-studio-surface .messages {
  width: 100%;
  max-width: none;
  margin-inline: 0;
  scrollbar-gutter: stable;
  padding: 32px max(28px, calc((100% - var(--chat-content-max)) / 2 + 28px));
}

body.media-studio-surface .chat-area.empty {
  justify-content: center;
}

body.media-studio-surface .chat-area.empty .messages {
  display: none;
}

body.media-studio-surface .empty-state {
  width: min(var(--chat-content-max), 100%);
  margin-inline: auto;
  padding: 0 28px 20px;
  text-align: center;
}

body.media-studio-surface .chat-area.full .empty-state {
  display: none;
}

.media-model-name {
  color: var(--t1);
  font-size: clamp(24px, 3vw, 34px);
  font-weight: 650;
  letter-spacing: -.025em;
  line-height: 1.2;
}

.video-studio .media-model-name {
  font-size: clamp(32px, 4vw, 46px);
  letter-spacing: -.035em;
}

.media-model-params {
  margin-top: 9px;
  color: var(--t3);
  font-size: 12px;
  line-height: 1.5;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.media-test-note {
  margin-top: 7px;
  color: var(--t4);
  font-size: 10px;
}

.composer-shell {
  position: relative;
  flex-shrink: 0;
  width: 100%;
  max-width: var(--chat-content-max);
  margin-inline: auto;
  padding: 0 28px 16px;
}

.composer-shell .templates-bar {
  padding: 0 0 10px;
}

.composer-shell .input-zone {
  position: relative;
  width: 100%;
  max-width: none;
  margin: 0;
  padding: 0;
}

.composer-shell .fab-wrap {
  position: absolute;
  right: 0;
  bottom: calc(100% + 6px);
  z-index: 120;
}

.media-studio-surface .input-card {
  border-radius: 16px;
  box-shadow: 0 18px 48px -40px rgba(0,0,0,.72);
}

.media-studio-surface .input-card textarea {
  min-height: 54px;
  font-size: 14px;
}

.media-studio-surface .input-card .ctrls {
  row-gap: 8px;
}

.media-studio-surface .ref-strip video { width:56px;height:40px;border-radius:6px;object-fit:cover;border:1px solid var(--border-card);background:#000; }
.media-studio-surface .ref-audio { display:grid;place-items:center;width:44px;height:40px;border:1px solid var(--border-card);border-radius:6px;background:var(--bg-card);color:var(--brand); }
.media-studio-surface .message-ref-file { display:inline-flex;align-items:center;gap:7px;min-height:34px;padding:0 10px;border:1px solid var(--border-card);border-radius:9px;color:var(--t3);font-size:11px;background:var(--bg-card); }

.media-studio-surface .sidebar {
  min-height: 0;
}
/* 使"最近对话"区撑满，把"新建/清空/查看全部"压到侧栏最底（与 index 一致） */
.media-studio-surface .sidebar .chats-wrap {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.asset-entry {
  padding: 0 16px 14px;
  border-bottom: 1px solid var(--border-subtle);
}

.asset-entry-btn {
  width: 100%;
  min-height: 32px;
  font: inherit;
  cursor: pointer;
}

.asset-library-head,
.asset-library-tabs,
.asset-library-tools {
  display: flex;
  align-items: center;
}

.asset-library-head {
  justify-content: space-between;
  gap: 8px;
}

.asset-library-tabs {
  gap: 4px;
  margin-top: 9px;
}

.asset-tab {
  flex: 1;
  min-height: 28px;
  padding: 5px 8px;
  border: 1px solid transparent;
  border-radius: 8px;
  background: transparent;
  color: var(--t4);
  font: inherit;
  font-size: 11px;
  cursor: pointer;
}

.asset-tab:hover { color: var(--t2); background: var(--bg-hover); }
.asset-tab.active { color: var(--brand); border-color: var(--border-card); background: var(--brand-soft); }
.asset-pane { margin-top: 8px; max-height: 180px; overflow-y: auto; }
.asset-pane[hidden] { display: none; }
.asset-library-tools { justify-content: space-between; gap: 8px; margin-bottom: 6px; }
.asset-library-action { border: 0; background: transparent; color: var(--brand); font: inherit; font-size: 11px; cursor: pointer; }
.asset-empty { padding: 14px 4px; color: var(--t4); font-size: 11px; text-align: center; }

.media-result-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: 6px;
}

.media-result-cell {
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--border-card);
  border-radius: 9px;
  background: var(--bg-card);
  aspect-ratio: 1;
}

.media-result-cell img,
.media-result-cell video { width: 100%; height: 100%; object-fit: cover; display: block; }

.media-test-result {
  position: relative;
  display: grid;
  place-items: center;
  width: min(520px, 100%);
  aspect-ratio: var(--media-aspect-ratio, 16 / 9);
  margin-top: 12px;
  overflow: hidden;
  border: 1px solid var(--border-card);
  border-radius: 14px;
  color: rgba(255,255,255,.86);
  background:
    radial-gradient(circle at 68% 30%, rgba(145,132,255,.3), transparent 34%),
    linear-gradient(145deg, #17151f, #09090c 70%);
}

.media-test-result > img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.media-test-result::before,
.media-test-result::after,
.media-test-play {
  z-index: 1;
}

.media-test-result::before {
  content: '';
  width: 54px;
  height: 54px;
  border: 1px solid rgba(255,255,255,.22);
  border-radius: 50%;
  background: rgba(255,255,255,.08);
}

.media-test-result::after {
  content: '测试预览';
  position: absolute;
  left: 14px;
  bottom: 12px;
  color: rgba(255,255,255,.6);
  font-size: 11px;
}

.media-test-play {
  position: absolute;
  display: grid;
  place-items: center;
  width: 54px;
  height: 54px;
  color: rgba(255,255,255,.9);
}

.media-studio-surface .gen-image,
.media-studio-surface .gen-video,
.media-studio-surface .media-test-result,
.media-generation-frame {
  width: min(560px, 100%);
  max-width: 100%;
  aspect-ratio: var(--media-aspect-ratio, 16 / 9);
}

.media-studio-surface .gen-image,
.media-studio-surface .gen-video {
  display: block;
  padding: 0;
  background: var(--bg-input);
}

.media-studio-surface .gen-image img,
.media-studio-surface .gen-video video {
  display: block;
  width: 100%;
  height: 100%;
  max-height: none;
  object-fit: cover;
}

.media-generation-copy {
  max-width: 66ch;
  margin-bottom: 12px;
  color: var(--t2);
  font-size: calc(14px * var(--font-scale, 1));
  line-height: 1.7;
}

.media-generation-frame {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--border-card);
  border-radius: 14px;
  background: color-mix(in srgb, var(--bg-card) 84%, var(--bg-hover));
}

.media-generation-frame::before,
.media-generation-frame::after {
  content: '';
  position: absolute;
  border-radius: 999px;
  background: color-mix(in srgb, var(--t4) 18%, transparent);
}

.media-generation-frame::before {
  left: 7%;
  right: 34%;
  bottom: 10%;
  height: 7px;
}

.media-generation-frame::after {
  left: 7%;
  width: 34%;
  bottom: calc(10% + 16px);
  height: 7px;
}

.media-generation-shimmer {
  position: absolute;
  inset: 0;
  transform: translateX(-110%);
  background: linear-gradient(105deg, transparent 35%, color-mix(in srgb, var(--brand) 13%, transparent) 50%, transparent 65%);
  animation: mediaGenerationShimmer 1.45s cubic-bezier(.4,0,.2,1) infinite;
}

.ask-nora-btn[aria-disabled='true'] {
  opacity: .55;
  pointer-events: none;
}

@keyframes mediaGenerationShimmer {
  to { transform: translateX(110%); }
}

.message-ref-row { display: flex; flex-wrap: wrap; gap: 7px; margin-bottom: 10px; }
.message-ref-row img { width: 48px; height: 48px; object-fit: cover; border: 1px solid var(--border-card); border-radius: 8px; }
.media-preview-overlay { position: fixed; inset: 0; z-index: 9990; display: grid; place-items: center; padding: 24px; background: rgba(0,0,0,.78); }
.media-preview-overlay img { max-width: 92vw; max-height: 90vh; border-radius: 12px; box-shadow: 0 28px 90px rgba(0,0,0,.4); }
.media-history-modal { width: min(620px, calc(100vw - 28px)); }
.media-history-list { display: flex; flex-direction: column; gap: 5px; max-height: 62vh; overflow-y: auto; }
.media-history-list > button { display: flex; align-items: center; justify-content: space-between; gap: 14px; min-height: 46px; padding: 9px 12px; border: 1px solid transparent; border-radius: 9px; background: var(--bg-sidebar); color: var(--t2); font: inherit; text-align: left; cursor: pointer; }
.media-history-list > button:hover { border-color: var(--border-card); background: var(--bg-hover); }
.media-history-list > button span { overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.media-history-list > button small { color: var(--t4); font-size: 10px; white-space: nowrap; }

/* 独立统一资产库 */
.asset-library-page { overflow: auto; background: var(--bg-chat); }
.asset-library-page .app { min-height: 100dvh; height: auto; }
.asset-back { display: inline-flex; align-items: center; gap: 8px; border: 0; background: transparent; color: var(--t2); font: inherit; cursor: pointer; }
.asset-back:hover { color: var(--brand); }
.asset-workspace { width: min(1240px, calc(100% - 48px)); margin: 0 auto; padding: 58px 0 72px; }
.asset-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 28px; margin-bottom: 26px; }
.asset-eyebrow { display: block; margin-bottom: 9px; color: var(--brand); font-size: 10px; letter-spacing: .18em; }
.asset-heading h1 { color: var(--t1); font-size: clamp(26px, 4vw, 42px); font-weight: 650; letter-spacing: -.035em; line-height: 1.12; }
.asset-heading p { margin-top: 10px; color: var(--t3); font-size: 13px; }
.asset-tabs { display: inline-flex; width: min(300px, 100%); padding: 4px; border: 1px solid var(--border-card); border-radius: 12px; background: var(--bg-card); }
.asset-tabs .asset-tab { min-height: 34px; }
.asset-view { display: grid; grid-template-columns: 290px minmax(0,1fr); min-height: 570px; border: 1px solid var(--border-card); border-radius: 18px; overflow: hidden; background: color-mix(in srgb,var(--bg-card) 84%,transparent); box-shadow: 0 28px 70px -56px rgba(0,0,0,.7); }
.asset-view[hidden] { display: none; }
.asset-tree-panel { border-right: 1px solid var(--border-subtle); background: color-mix(in srgb,var(--bg-sidebar) 92%,transparent); }
.asset-content-panel { min-width: 0; }
.asset-panel-head { min-height: 62px; display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 14px 18px; border-bottom: 1px solid var(--border-subtle); color: var(--t2); }
.asset-panel-head > div { display: flex; align-items: baseline; gap: 9px; }
.asset-panel-head strong { color: var(--t1); font-size: 13px; font-weight: 600; }
.asset-panel-head span { color: var(--t4); font-size: 11px; }
.asset-panel-head button { border: 0; background: transparent; color: var(--brand); font: inherit; font-size: 11px; cursor: pointer; }
.asset-panel-head .asset-upload-btn { min-height: 32px; padding: 0 12px; border: 1px solid var(--border-card); border-radius: 9px; background: var(--bg-card); color: var(--t2); }
.asset-panel-head .asset-upload-btn:hover:not(:disabled) { color: var(--brand); border-color: var(--brand); }
.asset-panel-head .asset-upload-btn:disabled { opacity: .42; cursor: not-allowed; }
.asset-tree { padding: 10px; }
.asset-work-group + .asset-work-group { margin-top: 2px; }
.asset-tree-row { min-height: 38px; display: flex; align-items: center; justify-content: space-between; gap: 8px; padding: 7px 9px; border-radius: 9px; color: var(--t2); font-size: 12px; cursor: pointer; }
.asset-tree-row > span:first-child { display: flex; align-items: center; gap: 8px; min-width: 0; }
.asset-tree-row:hover { background: var(--bg-hover); }
.asset-tree-row.active { color: var(--brand); background: var(--brand-soft); }
.asset-episode-list { padding-left: 14px; }
.tree-actions { display: flex; gap: 2px; opacity: 0; }
.asset-tree-row:hover .tree-actions, .asset-tree-row:focus-within .tree-actions { opacity: 1; }
.tree-actions button { min-width: 22px; border: 0; background: transparent; color: var(--t4); font: inherit; font-size: 10px; cursor: pointer; }
.tree-actions button:hover { color: var(--brand); }
.asset-grid { display: grid; grid-template-columns: repeat(auto-fill,minmax(170px,1fr)); gap: 12px; padding: 18px; }
.asset-card { min-width: 0; overflow: hidden; border: 1px solid var(--border-card); border-radius: 13px; background: var(--bg-card); }
.asset-thumb { position: relative; display: block; width: 100%; aspect-ratio: 1; overflow: hidden; border: 0; background: var(--bg-input); cursor: pointer; }
.generated-grid .asset-thumb { aspect-ratio: 16/10; }
.asset-thumb img, .asset-thumb video { display: block; width: 100%; height: 100%; object-fit: cover; transition: transform .3s ease; }
.asset-card:hover .asset-thumb img { transform: scale(1.025); }
.asset-card-meta { min-height: 46px; display: flex; align-items: center; justify-content: space-between; gap: 8px; padding: 10px 12px; color: var(--t2); font-size: 11px; }
.asset-card-meta span { overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.asset-card-meta button { border: 0; background: transparent; color: var(--t4); font: inherit; font-size: 10px; cursor: pointer; }
.asset-card-meta button:hover { color: var(--danger); }
.asset-card-meta small { color: var(--t4); white-space: nowrap; }
.asset-zero { grid-column: 1/-1; display: grid; place-items: center; min-height: 300px; color: var(--t4); font-size: 12px; text-align: center; }
.asset-zero.compact { min-height: 80px; padding: 16px; }
.generated-view { display: block; }
:root.light .asset-view { background: rgba(250,243,230,.78); box-shadow: 0 30px 70px -58px rgba(61,45,26,.65); }

@media (max-width: 768px) {
  body.media-studio-surface .messages { padding: 18px 12px; }
  body.media-studio-surface .empty-state { padding-inline: 16px; }
  .composer-shell { padding: 0 8px calc(10px + env(safe-area-inset-bottom, 0px)); }
  .composer-shell .fab-wrap { right: 10px; }
  .media-model-params { white-space: nowrap; }
  .asset-pane { max-height: 220px; }
  .asset-workspace { width: calc(100% - 24px); padding: 28px 0 40px; }
  .asset-heading { align-items: stretch; flex-direction: column; }
  .asset-tabs { width: 100%; }
  .asset-view { grid-template-columns: 1fr; min-height: 0; }
  .asset-tree-panel { border-right: 0; border-bottom: 1px solid var(--border-subtle); }
  .asset-tree { max-height: 260px; overflow-y: auto; }
  .asset-grid { grid-template-columns: repeat(2,minmax(0,1fr)); padding: 12px; gap: 9px; }
  .asset-zero { min-height: 180px; }
}

@media (prefers-reduced-motion: reduce) {
  .composer-shell { scroll-behavior: auto; }
  .media-generation-shimmer { animation: none; transform: none; opacity: .45; }
}

/* V2.3.0：正式资产库与媒体工作区细化 */
.picture-studio .media-model-name,
.video-studio .media-model-name { font-size:clamp(64px,8vw,96px);letter-spacing:-.04em; }
.media-studio-surface .empty-state { padding-bottom:46px;transform:translateY(-18px); }
.media-studio-surface .empty-state + .composer-shell { margin-top:0; }
.media-studio-surface .composer-shell .fab-wrap { bottom:calc(100% + 6px);right:0; }

.asset-library-page { overflow:hidden; }
.asset-library-page .app { height:100dvh;min-height:0; }
.asset-layout { display:grid;grid-template-columns:238px minmax(0,1fr);flex:1;min-height:0; }
.asset-sidebar { display:flex;flex-direction:column;gap:18px;padding:16px;border-right:1px solid var(--border-subtle);background:var(--bg-sidebar); }
.asset-sidebar .asset-back { min-height:36px;padding:0 10px;border-radius:9px; }
.asset-sidebar .asset-back:hover { background:var(--bg-hover); }
.asset-category-nav { display:flex;flex-direction:column;gap:4px; }
.asset-category-nav button { display:flex;align-items:center;gap:11px;min-height:42px;padding:0 12px;border:1px solid transparent;border-radius:10px;background:transparent;color:var(--t3);font:inherit;font-size:13px;text-align:left;cursor:pointer; }
.asset-category-nav button i { width:18px;text-align:center;font-size:14px; }
.asset-category-nav button:hover { color:var(--t1);background:var(--bg-hover); }
.asset-category-nav button.active { color:var(--brand);border-color:var(--border-card);background:var(--brand-soft); }
.asset-main { position:relative;min-width:0;overflow-y:auto;padding:42px clamp(20px,4vw,60px) 72px;background:var(--bg-chat); }
.asset-toolbar { display:flex;align-items:flex-end;justify-content:space-between;gap:24px;max-width:1440px;margin:0 auto 28px; }
.asset-toolbar h1 { color:var(--t1);font-size:clamp(30px,3.5vw,46px);font-weight:640;letter-spacing:-.045em;line-height:1.12; }
.asset-toolbar p { max-width:680px;margin-top:10px;color:var(--t3);font-size:13px;line-height:1.7; }
.asset-upload-btn { display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:38px;padding:0 15px;border:1px solid var(--border-card);border-radius:10px;background:var(--bg-card);color:var(--t2);font:inherit;font-size:12px;cursor:pointer;white-space:nowrap; }
.asset-upload-btn:hover { color:var(--brand);border-color:var(--brand); }
.asset-upload-btn:disabled { opacity:.55;cursor:wait; }
.asset-filter-row { display:flex;align-items:center;justify-content:space-between;gap:18px;max-width:1440px;margin:0 auto 14px;color:var(--t4);font-size:11px; }
.asset-search { display:flex;align-items:center;gap:9px;width:min(320px,100%);min-height:36px;padding:0 12px;border:1px solid var(--border-card);border-radius:10px;background:var(--bg-input);color:var(--t4); }
.asset-search:focus-within { border-color:var(--brand);color:var(--brand); }
.asset-search input { min-width:0;flex:1;border:0;outline:0;background:transparent;color:var(--t1);font:inherit;font-size:12px; }
.asset-filter-tools { display:flex;align-items:center;gap:10px;min-width:0; }
.asset-kind-filter { display:flex;align-items:center;gap:2px;padding:3px;border:1px solid var(--border-card);border-radius:10px;background:var(--bg-input); }
.asset-kind-filter button { min-height:28px;padding:0 10px;border:0;border-radius:7px;background:transparent;color:var(--t4);font:inherit;font-size:11px;white-space:nowrap;cursor:pointer; }
.asset-kind-filter button:hover { color:var(--t1); }
.asset-kind-filter button.active { background:var(--bg-card);color:var(--brand);box-shadow:0 8px 22px -18px rgba(0,0,0,.72); }
.project-nav { display:flex;flex-direction:column;gap:4px; }
.project-nav-item { justify-content:space-between; }
.project-nav-item small { color:var(--t4);font-size:10px;font-variant-numeric:tabular-nums; }
.project-nav-system { display:flex;flex-direction:column;gap:4px; }
.project-nav-item--system { border-color:color-mix(in srgb,var(--brand) 28%,transparent);background:color-mix(in srgb,var(--brand-soft) 46%,transparent); }
.project-nav-item--system small { color:var(--brand); }
.asset-main > .asset-grid { max-width:1440px;margin:0 auto;padding:0;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:14px; }
.asset-main .asset-card { border-radius:14px;transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease; }
.asset-main .asset-card:hover { transform:translateY(-2px);border-color:color-mix(in srgb,var(--brand) 50%,var(--border-card));box-shadow:0 18px 40px -30px rgba(0,0,0,.55); }
.asset-media { width:100%;aspect-ratio:16/10;overflow:hidden;background:var(--bg-input); }
.asset-media video,.asset-thumb-button,.asset-thumb-button img { display:block;width:100%;height:100%; }
.asset-media video,.asset-thumb-button img { object-fit:cover; }
.asset-audio { display:flex;flex-direction:column;align-items:center;justify-content:center;gap:18px;width:100%;height:100%;padding:20px;background:linear-gradient(145deg,var(--bg-input),color-mix(in srgb,var(--brand-soft) 38%,var(--bg-card))); }
.asset-audio-icon { display:grid;place-items:center;width:54px;height:54px;border:1px solid var(--border-card);border-radius:50%;color:var(--brand);font-size:20px;background:var(--bg-card); }
.asset-audio audio { width:100%;height:32px; }
.asset-thumb-button { border:0;padding:0;background:transparent;cursor:zoom-in; }
.asset-main .asset-card-meta { min-height:62px;padding:11px 12px; }
.asset-card-meta > div:first-child { min-width:0;display:flex;flex-direction:column;gap:3px; }
.asset-card-meta strong { overflow:hidden;color:var(--t2);font-size:12px;font-weight:580;white-space:nowrap;text-overflow:ellipsis; }
.asset-card-meta small { color:var(--t4);font-size:10px; }
.asset-card-actions { flex:0 0 auto;display:flex;align-items:center;gap:3px; }
.asset-card-actions > button:not(.icon-action) { min-height:28px;padding:0 8px;border:1px solid var(--border-card);border-radius:8px;background:transparent;color:var(--brand);font:inherit;font-size:10px;cursor:pointer; }
.icon-action { display:inline-flex;align-items:center;justify-content:center;min-width:28px;min-height:24px;padding:0 8px;border:0!important;border-radius:8px;background:transparent!important;color:var(--t4)!important;text-decoration:none;cursor:pointer;font-size:10px;white-space:nowrap; }
.icon-action:hover,.icon-action.active { color:var(--brand)!important;background:var(--brand-soft)!important; }
.asset-drop-hint { position:fixed;z-index:300;inset:74px 24px 24px 262px;display:flex;align-items:center;justify-content:center;gap:10px;border:1px dashed var(--brand);border-radius:18px;background:color-mix(in srgb,var(--bg-chat) 88%,transparent);color:var(--brand);font-size:14px;pointer-events:none;opacity:0;transform:scale(.99);transition:opacity .16s ease,transform .16s ease;backdrop-filter:blur(8px); }
.asset-drop-hint.visible { opacity:1;transform:scale(1); }
:root.light .asset-main { background:radial-gradient(circle at 88% 8%,rgba(178,43,55,.045),transparent 22%),var(--bg-chat); }

@media(max-width:768px){
  .asset-library-page { overflow:auto; }
  .asset-library-page .app { height:auto;min-height:100dvh; }
  .asset-layout { display:block;flex:none;height:auto; }
  .asset-library-page .asset-sidebar { position:sticky;top:48px;left:auto;z-index:80;width:100%;height:auto;min-height:0;padding:0;border-right:0;border-bottom:1px solid var(--border-subtle);transform:none; }
  .asset-sidebar .btn-back { display:none; }
  .asset-library-page .asset-sidebar .nav { flex-direction:row;overflow-x:auto;scrollbar-width:none;gap:8px;padding:10px 12px; }
  .asset-sidebar .nav .nav-label { display:none; }
  .asset-sidebar .nav-item { flex:0 0 auto;min-height:38px;padding:0 11px; }
  .asset-sidebar .project-nav { display:contents; }
  .asset-main { min-height:calc(100dvh - 100px);padding:26px 14px 48px;overflow:visible; }
  body.media-studio-surface .messages { padding-inline:12px; }
  .asset-toolbar { align-items:flex-start;flex-direction:column;margin-bottom:20px; }
  .asset-toolbar .asset-upload-btn { width:100%; }
  .asset-filter-row { align-items:stretch;flex-direction:column;gap:10px; }
  .asset-filter-row #assetCount { align-self:flex-end;white-space:nowrap; }
  .asset-filter-tools { width:100%;align-items:stretch;flex-direction:column; }
  .asset-kind-filter { width:100%;overflow-x:auto; }
  .asset-kind-filter button { flex:1; }
  .asset-search { width:100%; }
  .asset-main > .asset-grid { grid-template-columns:repeat(2,minmax(0,1fr));gap:9px; }
  .asset-main .asset-card-meta { align-items:flex-start;flex-direction:column; }
  .asset-card-actions { width:100%;justify-content:flex-end; }
  .asset-drop-hint { inset:104px 12px 12px; }
}

/* ==== 素材选择弹窗（图片/视频生成页输入框旁「资产库」） ==== */
.asset-picker-shell { display:flex;flex-direction:column;min-height:460px; }
.asset-picker-modal .modal-footer { display:flex;align-items:center;justify-content:flex-end;gap:8px;padding:13px 20px;border-top:1px solid var(--border-subtle); }
.asset-picker-toolbar { display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px; }
.asset-picker-search { display:flex;align-items:center;gap:8px;min-height:34px;margin:-2px 0 12px;padding:0 11px;border:1px solid var(--border-card);border-radius:9px;background:var(--bg-input);color:var(--t4); }
.asset-picker-search:focus-within { border-color:var(--brand);color:var(--brand); }
.asset-picker-search input { min-width:0;flex:1;border:0;outline:0;background:transparent;color:var(--t1);font:inherit;font-size:11px; }
.asset-picker-spaces,.asset-picker-kinds { display:flex;align-items:center;gap:3px;padding:3px;border:1px solid var(--border-card);border-radius:10px;background:var(--bg-input);overflow-x:auto; }
.asset-picker-spaces button,.asset-picker-kinds button { min-height:30px;padding:0 11px;border:0;border-radius:7px;background:transparent;color:var(--t3);font:inherit;font-size:11px;white-space:nowrap;cursor:pointer; }
.asset-picker-spaces button.active,.asset-picker-kinds button.active { color:var(--brand);background:var(--bg-card); }
.asset-picker-projects { display:flex;align-items:center;gap:7px;margin:-3px 0 12px;padding-bottom:2px;overflow-x:auto; }
.asset-picker-projects[hidden] { display:none; }
.asset-picker-projects button { min-height:30px;padding:0 12px;border:1px solid var(--border-card);border-radius:9px;background:transparent;color:var(--t3);font:inherit;font-size:11px;white-space:nowrap;cursor:pointer; }
.asset-picker-projects button.active { border-color:var(--brand);color:var(--brand);background:var(--brand-soft); }
.asset-picker-projects .asset-picker-project-system { border-color:color-mix(in srgb,var(--brand) 34%,var(--border-card)); }
.asset-picker-projects .asset-picker-project-system::after { content:'官方';margin-left:7px;color:var(--brand);font-size:9px; }
.asset-picker-project-divider { flex:0 0 auto;width:1px;height:20px;background:var(--border-card); }
.asset-picker-project-empty { color:var(--t4);font-size:11px; }
.asset-picker-modal .modal-close--drawn { position:relative;width:30px;height:30px;padding:0;border:0;border-radius:9px;background:transparent; }
.asset-picker-modal .modal-close--drawn::before,.asset-picker-modal .modal-close--drawn::after { content:"";position:absolute;left:8px;top:14px;width:14px;height:1px;background:currentColor;transform:rotate(45deg);transition:transform .18s ease,color .18s ease; }
.asset-picker-modal .modal-close--drawn::after { transform:rotate(-45deg); }
.asset-picker-modal .modal-close--drawn:hover::before { transform:rotate(40deg); }
.asset-picker-modal .modal-close--drawn:hover::after { transform:rotate(-40deg); }
.asset-picker-note { font-size:11px;color:var(--t3);margin-bottom:12px; }
.asset-picker-note b { color:var(--brand); }
.asset-picker-grid { display:grid;grid-template-columns:repeat(auto-fill,minmax(96px,1fr));gap:10px;max-height:56vh;overflow-y:auto; }
.asset-picker-item { position:relative;border:1px solid var(--border-card);border-radius:10px;overflow:hidden;background:var(--bg-card);cursor:pointer;transition:border-color .15s ease,background .15s ease; }
.asset-picker-item:hover { border-color:var(--brand); }
.asset-picker-item.selected { border-color:var(--brand);background:var(--brand-soft); }
.asset-picker-item img,.asset-picker-item video { display:block;width:100%;aspect-ratio:1;object-fit:cover; }
.asset-picker-audio { display:grid;place-items:center;aspect-ratio:1;color:var(--brand);font-size:24px;background:var(--bg-input); }
.asset-picker-item small { display:block;padding:5px 8px;font-size:10px;color:var(--t2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis; }
.asset-picker-check { position:absolute;top:7px;right:7px;display:grid;place-items:center;width:22px;height:22px;font-size:10px;color:#fff;background:var(--brand);border-radius:50%;box-shadow:0 6px 16px -10px rgba(0,0,0,.7); }
.asset-picker-empty { grid-column:1/-1;text-align:center;color:var(--t4);padding:40px 20px;font-size:12px; }

/* 模板胶囊（图片/视频生成页）— 椭圆直接显示模板名 */
.media-studio-surface .templates-bar { display:flex;align-items:center;gap:8px;padding:0 0 16px;overflow-x:auto; }
.media-studio-surface .templates-bar .tpl-label { font-size:10px;color:var(--t4);white-space:nowrap; }
.media-studio-surface .template-buttons { display:inline-flex;gap:8px; }
.media-studio-surface .tpl-pill {
  padding:5px 14px;border-radius:20px;font-family:inherit;font-size:12px;
  color:var(--t2);white-space:nowrap;cursor:pointer;flex-shrink:0;
  background:var(--bg-card);border:1px solid var(--border-card);transition:all .15s ease;
}
.media-studio-surface .tpl-pill:hover { border-color:var(--brand);color:var(--brand);background:var(--brand-soft); }
@media(max-width:768px){
  .media-studio-surface .templates-bar { padding:0 0 12px; }
  .media-studio-surface .tpl-pill { padding:5px 12px;font-size:11px; }
  .picture-studio .media-model-name,
  .video-studio .media-model-name { font-size:clamp(40px,12vw,58px); }
  .media-studio-surface .empty-state { padding-bottom:34px;transform:translateY(-10px); }
  .asset-picker-shell { min-height:0; }
  .asset-picker-toolbar { align-items:stretch;flex-direction:column; }
  .asset-picker-spaces,.asset-picker-kinds { width:100%; }
  .asset-picker-grid { grid-template-columns:repeat(3,minmax(0,1fr));max-height:48vh; }
  .asset-picker-modal .modal-footer { padding:11px 14px; }
}

/* 工具栏右侧按钮组：多选 + 上传素材 */
.asset-toolbar-actions { display:flex;align-items:center;gap:8px;flex-shrink:0; }
.asset-multi-btn { display:inline-flex;align-items:center;justify-content:center;min-height:38px;padding:0 15px;border:1px solid var(--border-card);border-radius:10px;background:var(--bg-card);color:var(--t2);font:inherit;font-size:12px;cursor:pointer;white-space:nowrap; }
.asset-multi-btn:hover { color:var(--brand);border-color:var(--brand); }
.asset-multi-btn.active { color:var(--brand);border-color:var(--brand);background:var(--brand-soft); }

/* 批量操作条 — 吸底（始终位于页面最底部） */
.asset-batch-bar { position:sticky;bottom:0;flex-shrink:0;display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;padding:12px 22px;background:var(--bg-header);border-top:1px solid var(--border-card);z-index:20; }
.asset-batch-bar > span { font-size:12px;color:var(--t3); }
.asset-batch-actions { display:flex;gap:8px;flex-wrap:wrap; }
.asset-batch-actions button { min-height:30px;padding:0 12px;font-size:11px;color:var(--t2);background:transparent;border:1px solid var(--border-card);border-radius:8px;cursor:pointer;transition:all .15s ease; }
.asset-batch-actions button:hover { color:var(--brand);border-color:var(--brand); }
.asset-batch-actions button.danger:hover { color:var(--danger);border-color:var(--danger); }
.asset-batch-actions button:disabled { opacity:.42;cursor:not-allowed;color:var(--t4);border-color:var(--border-card); }
.asset-batch-clear { font-size:11px;color:var(--t4);background:transparent;border:0;cursor:pointer; }
.asset-batch-clear:hover { color:var(--t1); }
.asset-card .asset-batch-select { position:absolute;top:8px;left:8px;z-index:3;width:20px;height:20px;cursor:pointer;accent-color:var(--brand); }
.asset-card.asset-selected { outline:2px solid var(--brand); }

@media(max-width:420px){ .asset-main > .asset-grid { grid-template-columns:1fr; } }
@media(max-width:620px){
  .asset-picker-toolbar { align-items:stretch;flex-direction:column; }
  .asset-picker-spaces,.asset-picker-kinds { width:100%; }
  .asset-picker-spaces button,.asset-picker-kinds button { flex:1; }
  .asset-picker-shell { min-height:390px; }
}