@layer views {

.material-preview {
  min-height: 170px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background:
    repeating-linear-gradient(180deg, transparent 0 29px, color-mix(in oklch, var(--line) 42%, transparent) 29px 30px),
    var(--surface);
  padding: var(--space-4);
  color: color-mix(in oklch, var(--ink) 76%, var(--paper));
  font-family: var(--font-paper);
  font-size: 14px;
  line-height: 28px;
}

.material-type-summary {
  display: grid;
  grid-template-columns: auto auto;
  align-items: baseline;
  column-gap: 8px;
  row-gap: 1px;
  min-width: 0;
}

.material-type-summary span {
  color: var(--muted);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.material-type-summary strong {
  color: var(--ink);
  font-size: 13px;
  font-weight: 900;
}

.material-type-summary em {
  grid-column: 1 / -1;
  max-width: 220px;
  color: var(--muted);
  font-size: 11px;
  font-style: normal;
  font-weight: 720;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.material-type-select {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 30px;
  padding: 0 8px 0 10px;
  border-left: 1px solid color-mix(in oklch, var(--line) 68%, transparent);
  color: var(--muted);
  font-size: 11px;
  font-weight: 850;
}

.material-type-select select {
  width: auto;
  min-width: 86px;
  height: 30px;
  padding: 0 28px 0 11px;
  border: 1px solid color-mix(in oklch, var(--line) 82%, transparent);
  border-radius: 10px;
  background: color-mix(in oklch, var(--surface) 96%, white);
  color: var(--ink);
  font: inherit;
  font-size: 12px;
  font-weight: 900;
  cursor: pointer;
}

.material-type-select select:focus-visible {
  outline: 2px solid color-mix(in oklch, var(--primary) 30%, transparent);
  outline-offset: 2px;
}

.material-preview {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 42px;
  padding: 9px 10px;
  border: 1px dashed var(--line);
  border-radius: 14px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 750;
  background: rgba(247, 251, 247, 0.75);
}

.preview-frame {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 28px;
  border-radius: 10px;
  background: linear-gradient(135deg, rgba(11, 113, 70, 0.14), rgba(255, 248, 236, 0.92));
  color: var(--green);
  font-size: 11px;
  font-weight: 950;
  letter-spacing: 0.08em;
  flex: 0 0 auto;
}

.audio-preview .preview-frame {
  background: linear-gradient(135deg, rgba(64, 91, 145, 0.14), rgba(255, 255, 255, 0.92));
}@media (max-width: 760px) {
  .material-type-strip {
    gap: 8px;
  }}


.material-detail-page {
  min-height: 0;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  gap: 18px;
}

.material-detail-head {
  display: flex;
  align-items: center;
  gap: 14px;
}

.material-detail-head h2 {
  margin: 0;
}

.material-file-browser,
.material-file-preview {
  min-width: 0;
  min-height: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: color-mix(in oklch, var(--surface) 96%, white);
}

.material-file-browser {
  display: grid;
  align-content: start;
  gap: 14px;
  padding: 14px;
  overflow: auto;
}

.material-file-section {
  display: grid;
  gap: 8px;
}

.material-file-section h3 {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.material-file-list {
  display: grid;
  gap: 8px;
}

.material-file-kind {
  width: 38px;
  height: 30px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  background: var(--primary-soft);
  color: var(--primary-text);
  font-size: 11px;
  font-weight: 900;
}

.material-file-kind.image {
  background: #fff1d9;
  color: #87590c;
}

.material-file-kind.audio {
  background: var(--info-soft);
  color: var(--info);
}

.material-file-preview {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  overflow: hidden;
}

.material-preview-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  border-bottom: 1px solid var(--line);
  padding: 16px;
}

.material-preview-head h3 {
  margin: 0;
}

.material-preview-actions {
  display: flex;
  gap: 8px;
}

.material-preview-text {
  min-height: 0;
  margin: 0;
  overflow: auto;
  white-space: pre-wrap;
  color: var(--ink);
  padding: 18px;
  font: 14px/24px var(--font-body);
}

.material-preview-image,
.material-preview-pdf {
  width: 100%;
  height: 100%;
  min-height: 360px;
  border: 0;
  object-fit: contain;
  background: color-mix(in oklch, var(--surface-2) 70%, white);
}

.material-preview-audio {
  align-self: start;
  width: calc(100% - 36px);
  margin: 18px;
}

.material-preview-empty {
  min-height: 360px;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 8px;
  color: var(--muted);
  text-align: center;
  padding: 24px;
}

.material-preview-empty span {
  max-width: 460px;
  font-size: 13px;
  line-height: 22px;
}

.transfer-group-list {
  display: grid;
  gap: 10px;
  margin-top: 16px;
}

.transfer-group-option {
  width: 100%;
  min-height: 48px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--surface);
  color: var(--ink);
  font: inherit;
  font-weight: 800;
  text-align: left;
  padding: 0 18px;
  cursor: pointer;
}

.transfer-group-option:hover,
.transfer-group-option:focus-visible {
  border-color: var(--line-strong);
  background: var(--tint);
}

.material-preview-modal {
  display: grid;
  gap: 14px;
}

.material-preview-modal p {
  margin: 0;
  color: color-mix(in oklch, var(--ink) 74%, var(--muted));
  line-height: 1.8;
}

.material-preview-file-list {
  display: grid;
  gap: 8px;
}

.material-preview-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 10px;
}

.material-preview-gallery .material-preview-image,
.material-preview-gallery .material-preview-empty {
  width: 100%;
  max-height: 220px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: var(--surface);
  object-fit: cover;
}

.material-preview-file-row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto auto;
  gap: 10px;
  align-items: center;
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--surface);
  padding: 10px;
}

.material-preview-file-row b {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.material-preview-file-row small {
  color: var(--muted);
  font-size: 12px;
}

.material-preview-file-actions {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.material-preview-file-actions button {
  min-height: 30px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  color: var(--ink);
  padding: 0 10px;
  font: inherit;
  font-size: 12px;
  font-weight: 850;
  cursor: pointer;
}

.material-preview-file-actions .danger-text {
  color: var(--danger-strong);
}@media (max-width: 760px) {
  .material-preview-file-row {
    grid-template-columns: auto minmax(0, 1fr);
  }

  .material-preview-file-actions {
    grid-column: 1 / -1;
    justify-content: flex-start;
    flex-wrap: wrap;
  }}


.material-view-spacer {
  flex: 1 1 auto;
}

.material-view-icons {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.material-view-icons {
  gap: 6px;
}

/* ===== 2026-06-08: 素材卡固定底线，不展示可见性 ===== */

/* ===== 2026-06-08: 图片素材只展示图片本体 ===== */

.material-preview-backdrop {
  position: fixed;
  inset: 0;
  z-index: 3000;
  display: grid;
  place-items: center;
  padding: 32px;
  background: rgba(9, 31, 22, 0.28);
  backdrop-filter: blur(10px);
}

.material-preview-dialog {
  width: min(920px, calc(100vw - 64px));
  max-height: calc(100vh - 80px);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 28px 80px rgba(20, 54, 39, 0.22);
}

.material-preview-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 22px 24px;
  border-bottom: 1px solid rgba(16, 65, 45, 0.12);
}

.material-preview-head b {
  display: block;
  color: var(--ink);
  font-size: 22px;
  line-height: 1.2;
}

.material-preview-head span {
  color: var(--muted);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.material-preview-close {
  width: 40px;
  height: 40px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  color: var(--ink);
  font-size: 24px;
  line-height: 1;
  cursor: pointer;
}

.material-preview-body {
  min-height: 0;
  overflow: auto;
  padding: 28px;
}

/* ===== 2026-06-15: 多格式真实预览（pdf/docx/xlsx/markdown/媒体） ===== */
.material-preview-loading {
  display: grid;
  place-items: center;
  min-height: 320px;
  color: var(--muted);
  font-weight: 700;
}
.material-preview-rich {
  color: var(--ink);
  font-size: 15px;
  line-height: 1.8;
}
/* !important 保留：Markdown 预览正文内嵌 <img> 须抹掉全局 img 基样式（边框/底色/圆角）。
   无更晚层竞争者，理论可去，但 md 预览态未纳入 X1 视觉门（s15 仅覆盖图片预览 .material-preview-body），
   保守保留 + 记账，待补 md 预览截图后可降。 */
.material-preview-rich img {
  border: 0 !important;
  background: transparent !important;
  border-radius: 8px !important;
}
.material-preview-rich :is(h1, h2, h3, h4) { margin: 1em 0 0.4em; }
.material-preview-rich :is(p, ul, ol, table) { margin: 0 0 0.8em; }
.material-preview-pages { display: grid; gap: 16px; justify-items: center; }
.material-preview-pages canvas {
  border: 1px solid rgba(16, 65, 45, 0.14);
  border-radius: 10px;
  box-shadow: var(--shadow-soft);
}
.material-preview-sheets h4 { margin: 1em 0 0.4em; font-size: 14px; color: var(--muted); }
.material-preview-table { overflow: auto; border: 1px solid rgba(16, 65, 45, 0.14); border-radius: 10px; }
.material-preview-table table { border-collapse: collapse; width: 100%; font-size: 13px; }
.material-preview-table :is(td, th) { border: 1px solid rgba(16, 65, 45, 0.12); padding: 6px 10px; text-align: left; white-space: nowrap; }
.material-preview-more { margin-top: 12px; color: var(--muted); font-size: 13px; text-align: center; }

.material-preview-body img {
  display: block;
  width: min(100%, 760px);
  max-height: calc(100vh - 230px);
  margin: 0 auto;
  object-fit: contain;
  border: 1px solid rgba(16, 65, 45, 0.12);
  border-radius: 24px;
  background: rgba(227, 245, 235, 0.45);
}

.material-preview-doc,
.material-preview-pdf {
  min-height: 420px;
  border: 1px solid rgba(16, 65, 45, 0.14);
  border-radius: 22px;
  background: linear-gradient(#fff 31px, rgba(188, 221, 205, 0.2) 32px);
  background-size: 100% 32px;
  color: var(--ink);
  font-size: 18px;
  line-height: 1.8;
  white-space: pre-wrap;
  padding: 28px 32px;
}

.material-preview-pdf {
  display: grid;
  place-items: center;
  text-align: center;
  color: var(--muted);
  font-weight: 800;
}

/* ===== 2026-06-08: 素材卡回到文件本体 ===== */

.material-preview-body img {
  width: min(100%, 840px);
  max-height: calc(100vh - 210px);
  object-fit: contain;
}
.material-card-placeholder-kind {
  font-size: 11px;
  font-weight: 800;
  color: var(--primary-text);
}
.material-card-placeholder-copy {
  width: 100%;
  overflow: hidden;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
  font-size: 12px;
  line-height: 18px;
}

.material-view-icons {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-left: auto;
}

/* ===== 2026-06-14: 素材预览元信息侧边抽屉 ===== */
.material-preview-content {
  display: flex;
  flex: 0 1 auto;
  min-height: 0;
  max-height: calc(100vh - 180px);
  overflow: hidden;
}
.material-preview-content .material-preview-body { flex: 1 1 auto; min-width: 0; }
.material-preview-head-actions { display: flex; align-items: center; gap: 10px; }
.material-preview-meta-toggle {
  height: 36px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  color: var(--ink);
  font-size: 13px;
  cursor: pointer;
  transition: background 140ms ease, border-color 140ms ease, color 140ms ease;
}
.material-preview-meta-toggle.on,
.material-preview-meta-toggle:hover {
  background: var(--primary-soft);
  border-color: var(--primary);
  color: var(--primary-2);
}
.material-preview-meta {
  flex: 0 0 0;
  width: 0;
  overflow: hidden auto;
  border-left: 1px solid transparent;
  background: rgba(247, 250, 248, 0.6);
  transition: width 0.22s ease, flex-basis 0.22s ease;
}
.material-preview-dialog.show-meta { width: min(1120px, calc(100vw - 64px)); }
.material-preview-dialog.show-meta .material-preview-meta {
  flex: 0 0 320px;
  width: 320px;
  border-left-color: rgba(16, 65, 45, 0.12);
  padding: 22px 20px;
}
.material-preview-meta .meta-title {
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 12px;
}
.material-preview-meta .meta-section { display: grid; gap: 8px; margin-bottom: 16px; }
.material-preview-meta .meta-row { display: flex; justify-content: space-between; gap: 12px; font-size: 13px; }
.material-preview-meta .meta-row span { color: var(--muted); flex: 0 0 auto; }
.material-preview-meta .meta-row b { color: var(--ink); text-align: right; word-break: break-word; }
.material-preview-meta .meta-block { margin-bottom: 16px; }
.material-preview-meta .meta-label { font-size: 12px; color: var(--muted); margin: 0 0 6px; }
.material-preview-meta .meta-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.material-preview-meta .meta-tags span {
  font-size: 12px;
  background: var(--primary-soft);
  color: var(--primary-2);
  padding: 3px 8px;
  border-radius: 999px;
}
.material-preview-meta .meta-file {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  font-size: 13px;
  padding: 6px 0;
  border-bottom: 1px dashed rgba(16, 65, 45, 0.1);
}
.material-preview-meta .meta-file em { color: var(--muted); font-style: normal; }
.material-preview-meta .meta-note {
  white-space: pre-wrap;
  font-size: 13px;
  line-height: 1.6;
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px;
  max-height: 240px;
  overflow: auto;
}
.material-preview-meta .meta-empty { font-size: 13px; color: var(--muted); }
/* 视频索引状态徽标（素材卡 card-foot）：解析中/可检索/解析失败 */
.material-vi-badge { font-size: 11px; padding: 2px 8px; border-radius: 999px; background: var(--surface-2); color: var(--muted); flex-shrink: 0; }
.material-vi-badge.ok { background: var(--primary-soft); color: var(--primary-text); }
.material-vi-badge.busy { background: var(--accent-soft); color: var(--accent); }
.material-vi-badge.fail { background: color-mix(in oklch, var(--danger) 12%, var(--surface)); color: var(--danger); }
/* 素材预览：视频文件 */
.material-preview-video { width: 100%; max-height: 60vh; border-radius: var(--radius-md); background: #0d1512; }
/* 搜索态素材分区（图片/视频素材/音频/文档）：段间距与视频片段段一致 */
.material-kind-section { margin-bottom: var(--space-4); }
/* 素材卡内标签行(<p> 与 .card-foot 之间) */
.material-card-tags {
  display: flex;
  flex-wrap: nowrap;
  gap: 6px;
  min-width: 0;
  height: 40px;
  margin-top: 0;
  overflow: hidden;
  order: 2;
}
.material-card-tags.is-empty { visibility: hidden; }

/* ---- 素材库:排序控件(在 .material-view-icons 内,与 scope-tabs 同排,来自 T4) ---- */
.material-sort {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  flex: 0 0 auto;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  white-space: nowrap;
}
.material-sort select {
  height: var(--control-md);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface);
  color: var(--ink);
  padding: 0 34px 0 var(--space-2);
  font: inherit;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
}

/* ---- 素材库:「按项目」排序时的分组块(来自 T4) ---- */
.material-project-group { margin: var(--space-5) 0 0; }
.material-project-group:first-child { margin-top: 0; }
.material-project-group-title {
  margin: 0 0 var(--space-2);
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
  padding-bottom: 4px;
  border-bottom: 1px solid color-mix(in oklch, var(--line) 70%, transparent);
}

.material-library-toolbar {
  align-items: flex-start;
}

.material-library-toolbar .material-view-icons {
  min-height: var(--control-md);
}
}