/* ============ Enterprise Material Library ============ */
.seedance-stage {
  position: relative;
}

.material-library-page {
  display: grid;
  gap: 18px;
  min-width: 0;
  padding: 24px;
}

.material-library-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.material-library-header h2 {
  margin: 4px 0 6px;
  color: var(--ink);
  font-size: 24px;
  letter-spacing: 0;
}

.material-library-header p {
  max-width: 720px;
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.material-library-toolbar,
.material-upload-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.material-segments {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  padding: 3px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.03);
}

.material-segments button {
  min-height: 32px;
  padding: 6px 11px;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--muted);
  font-size: 12px;
  cursor: pointer;
}

.material-segments button.active {
  background: var(--cyan);
  color: #071015;
  font-weight: 800;
}

.material-segments.compact {
  overflow-x: auto;
  max-width: 100%;
  border-color: #e2e7f3;
  background: #f6f8fc;
}

.material-segments.compact button {
  flex: 0 0 auto;
  color: #64748b;
}

.material-segments.compact button.active {
  background: #111827;
  color: #fff;
}

.material-search {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: min(240px, 100%);
  min-height: 40px;
  padding: 0 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.03);
}

.material-search svg {
  width: 17px;
  height: 17px;
  fill: none;
  stroke: var(--muted);
  stroke-width: 1.8;
}

.material-search input {
  min-width: 0;
  width: 100%;
  border: 0;
  background: transparent;
  color: var(--ink);
  outline: none;
}

.material-folder-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  min-width: 0;
  padding: 8px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.025);
}

.material-folder-list {
  display: flex;
  flex: 1;
  align-items: center;
  gap: 6px;
  min-width: 0;
  overflow-x: auto;
  scrollbar-width: thin;
}

.material-folder-breadcrumbs {
  display: flex;
  flex: 1 1 auto;
  align-items: center;
  gap: 4px;
  min-width: 0;
  overflow-x: auto;
  scrollbar-width: thin;
}

.material-folder-crumb {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 6px;
  min-height: 32px;
  padding: 6px 8px;
  border: 1px solid transparent;
  border-radius: 6px;
  background: transparent;
  color: var(--muted);
  font-size: 11px;
  cursor: pointer;
}

.material-folder-crumb svg {
  width: 15px;
  height: 15px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
}

.material-folder-crumb:hover,
.material-folder-crumb.active,
.material-folder-crumb.drop-active {
  border-color: rgba(0, 240, 255, 0.45);
  background: rgba(0, 240, 255, 0.08);
  color: var(--ink);
}

.material-folder-separator {
  flex: 0 0 auto;
  color: var(--muted);
  opacity: 0.55;
}

.material-folder-chip,
.material-folder-actions button {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 5px;
  min-height: 32px;
  padding: 6px 9px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: transparent;
  color: var(--muted);
  font-size: 11px;
  cursor: pointer;
}

.material-folder-chip.active,
.material-folder-chip.drop-active {
  border-color: var(--cyan);
  background: rgba(0, 240, 255, 0.1);
  color: var(--ink);
}

.material-folder-chip small {
  color: inherit;
  opacity: 0.7;
}

.material-folder-glyph { color: var(--cyan); }

.material-folder-actions {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 5px;
}

.material-folder-actions button:hover {
  border-color: var(--cyan);
  color: var(--ink);
}

.material-upload-row {
  display: grid;
  grid-template-columns: minmax(170px, 220px) minmax(0, 1fr);
}

.material-upload-target {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 12px;
}

.material-upload-target select {
  width: 100%;
  min-height: 44px;
  padding: 0 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--panel-solid);
  color: var(--ink);
}

.material-upload-target small {
  color: var(--muted);
  font-size: 10px;
  line-height: 1.45;
}

.material-upload-drop {
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 68px;
  padding: 12px 16px;
  border: 1px dashed rgba(0, 240, 255, 0.42);
  border-radius: 8px;
  background: rgba(0, 240, 255, 0.04);
  cursor: pointer;
}

.material-upload-drop:hover,
.material-upload-drop.drag-active {
  border-color: var(--cyan);
  background: rgba(0, 240, 255, 0.09);
}

.material-upload-drop input,
.seedance-library-upload input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.material-upload-drop svg {
  flex: 0 0 auto;
  width: 24px;
  height: 24px;
  fill: none;
  stroke: var(--cyan);
  stroke-width: 1.8;
}

.material-upload-drop span {
  display: grid;
  gap: 2px;
}

.material-upload-drop strong {
  color: var(--ink);
  font-size: 13px;
}

.material-upload-drop small {
  color: var(--muted);
  font-size: 11px;
}

.material-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 12px;
  min-width: 0;
}

.material-grid.compact {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  padding: 2px;
  overflow-y: auto;
}

.material-grid-pager {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 10px 4px 2px;
}

.material-grid-pager button,
.material-video-preview-trigger {
  border: 1px solid var(--border);
  border-radius: 8px;
  background: rgba(15, 18, 28, 0.92);
  color: var(--ink);
  cursor: pointer;
}

.material-grid-pager button { padding: 7px 12px; }
.material-grid-pager button:disabled { opacity: 0.45; cursor: default; }
.material-grid-pager span { color: var(--muted); font-size: 12px; }

.material-grid-error {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 12px;
  border: 1px solid rgba(248, 113, 113, 0.3);
  border-radius: 10px;
  background: rgba(127, 29, 29, 0.14);
  color: #fca5a5;
  font-size: 12px;
  line-height: 1.5;
}

.material-grid-error button {
  flex: 0 0 auto;
  min-height: 34px;
  padding: 6px 12px;
  border: 1px solid rgba(248, 113, 113, 0.45);
  border-radius: 8px;
  background: rgba(127, 29, 29, 0.28);
  color: #fee2e2;
  cursor: pointer;
}

.material-video-preview-trigger {
  width: 100%;
  height: 100%;
  display: grid;
  place-items: center;
  gap: 6px;
  padding: 14px;
}

.material-video-preview-trigger svg { width: 28px; height: 28px; }
.material-video-preview-trigger span { font-size: 12px; }

.material-folder-card {
  display: grid;
  grid-template-columns: 66px minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  min-width: 0;
  min-height: 132px;
  padding: 16px;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 8px;
  outline: none;
  background: rgba(12, 14, 22, 0.9);
  color: var(--ink);
  cursor: pointer;
  transition: border-color 0.16s ease, background-color 0.16s ease, box-shadow 0.16s ease;
}

.material-folder-card:hover,
.material-folder-card:focus-visible,
.material-folder-card.drop-active {
  border-color: var(--cyan);
  background: rgba(0, 240, 255, 0.055);
  box-shadow: 0 0 0 1px rgba(0, 240, 255, 0.08);
}

.material-folder-card-icon {
  display: grid;
  place-items: center;
  width: 66px;
  height: 58px;
  border-radius: 8px;
  background: rgba(0, 240, 255, 0.07);
  color: var(--cyan);
}

.material-folder-card-icon svg {
  width: 48px;
  height: 42px;
  fill: rgba(0, 240, 255, 0.14);
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2;
}

.material-folder-card-copy {
  display: grid;
  min-width: 0;
  gap: 4px;
}

.material-folder-card-copy strong,
.material-folder-card-copy span,
.material-folder-card-copy small {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.material-folder-card-copy strong { font-size: 14px; }
.material-folder-card-copy span,
.material-folder-card-copy small { color: var(--muted); font-size: 11px; }
.material-folder-card-arrow { color: var(--muted); font-size: 24px; }

.material-card {
  content-visibility: auto;
  contain-intrinsic-size: 270px 360px;
  display: grid;
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: rgba(12, 14, 22, 0.9);
  cursor: pointer;
  transition: border-color 0.16s ease, background-color 0.16s ease, box-shadow 0.16s ease;
}

.material-card:hover,
.material-card.selected {
  border-color: var(--cyan);
  box-shadow: 0 0 0 1px rgba(0, 240, 255, 0.08);
}

.material-card.incompatible {
  cursor: not-allowed;
  opacity: 0.58;
}

.material-card.incompatible:hover {
  border-color: var(--border);
  box-shadow: none;
}

.material-card-badges .incompatible {
  color: #f59e0b;
}

.material-card-actions button:disabled {
  cursor: not-allowed;
  opacity: 0.62;
}

.material-preview {
  position: relative;
  display: grid;
  place-items: center;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: #05070c;
}

.material-preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.material-preview video {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  background: #05070c;
}

.material-preview .frame-capture-controls.compact { top: auto; right: 8px; bottom: 8px; }
.material-preview .frame-capture-controls.compact .frame-capture-trigger { width: 34px; height: 34px; }
.material-preview .frame-capture-controls.compact .frame-capture-menu {
  top: auto;
  right: calc(100% + 6px);
  bottom: 0;
  min-width: 156px;
}
.material-preview .frame-capture-controls.compact .frame-capture-button { min-height: 38px; font-size: 12px; }
.material-preview .frame-capture-controls.compact .frame-capture-menu-options { display: none; }

.material-preview.is-interactive {
  cursor: zoom-in;
}

.material-preview.is-interactive:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}

.material-preview.is-loading::after {
  position: absolute;
  right: 9px;
  bottom: 8px;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(148, 163, 184, 0.3);
  border-top-color: var(--cyan);
  border-radius: 50%;
  content: "";
  animation: material-preview-spin 0.8s linear infinite;
}

@keyframes material-preview-spin {
  to { transform: rotate(360deg); }
}

.material-preview.is-error {
  gap: 7px;
  color: #94a3b8;
  font-size: 11px;
}

.material-preview.is-error svg {
  width: 27px;
  height: 27px;
}

.material-preview svg {
  width: 34px;
  height: 34px;
  fill: none;
  stroke: #7c8aa5;
  stroke-width: 1.5;
}

.material-preview.type-video svg { stroke: #37d9ff; }
.material-preview.type-audio svg { stroke: #a78bfa; }

.material-card-body {
  display: grid;
  gap: 8px;
  padding: 11px;
}

.material-card-badges {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 5px;
}

.material-card-badges span {
  max-width: 100%;
  overflow: hidden;
  padding: 2px 6px;
  border-radius: 4px;
  background: rgba(148, 163, 184, 0.12);
  color: var(--muted);
  font-size: 10px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.material-card-badges .shared { color: #22d3ee; }
.material-card-badges .personal { color: #a7f3d0; }
.material-card-badges .readonly { color: #fbbf24; }
.material-card-badges .folder { color: #c4b5fd; }

.material-card h3 {
  overflow: hidden;
  margin: 0;
  color: var(--ink);
  font-size: 13px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.material-card p {
  margin: 0;
  color: var(--muted);
  font-size: 11px;
}

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

.material-card-actions button {
  min-height: 30px;
  padding: 5px 9px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: transparent;
  color: var(--ink);
  font-size: 11px;
  cursor: pointer;
}

.material-move-select {
  min-width: 0;
  max-width: 132px;
  height: 31px;
  padding: 0 7px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--panel-solid);
  color: var(--muted);
  font-size: 10px;
}

.material-use-button {
  flex: 1;
  border-color: rgba(0, 240, 255, 0.38) !important;
  color: var(--cyan) !important;
}

.material-delete-button:hover {
  border-color: #ef4444 !important;
  color: #ef4444 !important;
}

body.material-viewer-open {
  overflow: hidden;
}

.material-image-viewer[hidden] {
  display: none;
}

.material-image-viewer {
  position: fixed;
  z-index: 5000;
  inset: 0;
  display: grid;
  box-sizing: border-box;
  place-items: center;
  width: 100vw;
  height: 100vh;
  height: 100dvh;
  overflow: hidden;
  padding: 24px;
  background: rgba(2, 4, 9, 0.88);
  backdrop-filter: blur(8px);
}

.material-image-viewer-shell {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  width: min(1180px, 100%);
  height: min(820px, calc(100vh - 48px));
  height: min(820px, calc(100dvh - 48px));
  max-height: calc(100vh - 48px);
  max-height: calc(100dvh - 48px);
  overflow: hidden;
  border: 1px solid rgba(148, 163, 184, 0.28);
  border-radius: 8px;
  background: #080b12;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.56);
}

.material-image-viewer-shell header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-width: 0;
  padding: 12px 14px;
  border-bottom: 1px solid rgba(148, 163, 184, 0.2);
}

.material-image-viewer-shell header div {
  display: grid;
  min-width: 0;
  gap: 2px;
}

.material-image-viewer-shell header strong {
  overflow: hidden;
  color: #f8fafc;
  font-size: 14px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.material-image-viewer-shell header span {
  color: #94a3b8;
  font-size: 11px;
}

.material-image-viewer-shell header button {
  display: grid;
  flex: 0 0 36px;
  place-items: center;
  width: 36px;
  height: 36px;
  border: 1px solid rgba(148, 163, 184, 0.26);
  border-radius: 6px;
  background: #11151f;
  color: #f8fafc;
  font-size: 22px;
  cursor: pointer;
}

.material-image-viewer-stage {
  position: relative;
  display: grid;
  min-width: 0;
  min-height: 0;
  place-items: center;
  overflow: hidden;
  padding: 18px;
  background: #03050a;
}

.material-image-viewer-stage img {
  display: none;
  width: 100%;
  height: 100%;
  min-width: 0;
  min-height: 0;
  max-width: 100%;
  max-height: 100%;
  object-fit: scale-down;
  cursor: zoom-in;
}

.material-image-viewer.is-ready .material-image-viewer-stage img {
  display: block;
}

.material-image-viewer.is-actual-size .material-image-viewer-stage {
  place-items: start;
  overflow: auto;
}

.material-image-viewer.is-actual-size .material-image-viewer-stage img {
  width: auto;
  height: auto;
  max-width: none;
  max-height: none;
  cursor: zoom-out;
}

.seedance-upload-item .seedance-upload-thumbnail {
  width: 22px;
  height: 22px;
  padding: 0;
  border: 0;
}

.seedance-upload-item .seedance-upload-thumbnail:focus-visible {
  outline: 2px solid #6366f1;
  outline-offset: 2px;
}

.material-image-viewer-status {
  color: #94a3b8;
  font-size: 13px;
}

.material-image-viewer.is-ready .material-image-viewer-status {
  display: none;
}

.material-image-viewer.is-error .material-image-viewer-status {
  color: #f87171;
}

@media (max-width: 640px) {
  .material-image-viewer { padding: 10px; }
  .material-image-viewer-shell {
    height: calc(100vh - 20px);
    height: calc(100dvh - 20px);
    max-height: calc(100vh - 20px);
    max-height: calc(100dvh - 20px);
  }
  .material-image-viewer-stage { padding: 8px; }
}

.seedance-title-row {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: min(880px, 100%);
  min-height: 42px;
}

.seedance-title-actions {
  position: absolute;
  right: 0;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.seedance-library-button,
.seedance-clear-button {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 36px;
  padding: 7px 11px;
  border: 1px solid #dce2f3;
  border-radius: 8px;
  background: #fff;
  color: #334155;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
}

.seedance-clear-button {
  background: rgba(255, 255, 255, 0.68);
  color: #64748b;
}

.seedance-library-button:hover,
.seedance-library-button[aria-expanded="true"],
.seedance-clear-button:hover:not(:disabled) {
  border-color: #6366f1;
  color: #4f46e5;
}

.seedance-clear-button:disabled {
  opacity: 0.42;
  cursor: not-allowed;
}

.seedance-library-button svg,
.seedance-clear-button svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
}

.seedance-library-panel {
  --seedance-library-card-width: 196px;
  --seedance-library-preview-height: 122px;
  position: fixed;
  z-index: 220;
  top: 150px;
  right: 24px;
  display: grid;
  grid-template-rows: auto auto auto auto auto minmax(0, 1fr);
  gap: 10px;
  width: min(446px, calc(100% - 36px));
  min-width: min(446px, calc(100vw - 16px));
  min-height: min(460px, calc(100dvh - 16px));
  height: min(650px, calc(100dvh - 180px));
  max-width: calc(100vw - 16px);
  max-height: calc(100dvh - 16px);
  box-sizing: border-box;
  padding: 14px;
  overflow: hidden;
  border: 1px solid #dce2f3;
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 18px 48px rgba(15, 23, 42, 0.2);
  will-change: left, top, width, height;
}

.seedance-library-panel[hidden] { display: none; }

.seedance-library-panel[data-material-picker-owner="revision"] {
  z-index: 2460;
}

body:not(.workspace-active) .seedance-library-panel[data-seedance-library-portal="true"] {
  display: none;
}

.material-dragging .seedance-library-panel {
  opacity: 0.82;
}

.seedance-library-head {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 44px;
  gap: 10px;
  cursor: grab;
  touch-action: none;
  user-select: none;
  flex: 0 0 auto;
}

.seedance-library-drag-handle {
  display: flex;
  flex: 1;
  align-items: center;
  min-width: 0;
  gap: 8px;
  cursor: grab;
  touch-action: none;
  user-select: none;
}

.seedance-library-panel.is-dragging {
  cursor: grabbing;
  box-shadow: 0 24px 64px rgba(15, 23, 42, 0.28);
  transition: none;
}

.seedance-library-panel.is-dragging .seedance-library-drag-handle {
  cursor: grabbing;
}

.seedance-library-panel.is-dragging .seedance-library-head {
  cursor: grabbing;
}

body.seedance-library-window-dragging {
  cursor: grabbing;
  user-select: none;
}

.seedance-library-drag-handle > svg {
  flex: 0 0 18px;
  width: 18px;
  height: 22px;
  fill: #94a3b8;
}

.seedance-library-drag-handle > div {
  display: grid;
  min-width: 0;
  gap: 3px;
}

.seedance-library-head strong { color: #111827; font-size: 14px; }
.seedance-library-head span { color: #64748b; font-size: 11px; }

.seedance-library-window-actions {
  display: flex;
  flex: 0 0 auto;
  gap: 6px;
}

.seedance-library-window-actions button {
  width: 30px;
  height: 30px;
  border: 1px solid #e2e7f3;
  border-radius: 6px;
  background: #fff;
  color: #475569;
  cursor: pointer;
}

.seedance-library-filters {
  display: grid;
  gap: 7px;
}

.seedance-library-upload-tools {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.seedance-library-upload-tools .seedance-library-upload {
  grid-column: 1 / -1;
}

.seedance-library-panel .material-folder-bar {
  padding: 6px;
  border-color: #dce2f3;
  background: #f8fafc;
}

.seedance-library-panel .material-folder-chip,
.seedance-library-panel .material-folder-crumb,
.seedance-library-panel .material-folder-actions button {
  min-height: 29px;
  border-color: #dce2f3;
  background: #fff;
  color: #64748b;
}

.seedance-library-panel .material-folder-chip.active,
.seedance-library-panel .material-folder-chip.drop-active,
.seedance-library-panel .material-folder-crumb:hover,
.seedance-library-panel .material-folder-crumb.active,
.seedance-library-panel .material-folder-crumb.drop-active {
  border-color: #6366f1;
  background: #eef2ff;
  color: #3730a3;
}

.seedance-library-panel .material-folder-separator { color: #94a3b8; }

.seedance-library-target {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 7px;
  color: #64748b;
  font-size: 11px;
}

.seedance-library-target select {
  min-width: 0;
  height: 38px;
  padding: 0 9px;
  border: 1px solid #dce2f3;
  border-radius: 7px;
  background: #fff;
  color: #1e293b;
  font-size: 11px;
}

.seedance-library-upload {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 38px;
  border: 1px dashed #a5b4fc;
  border-radius: 7px;
  background: #f7f8ff;
  color: #4f46e5;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
}

.seedance-library-upload.is-disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

.seedance-library-permission {
  min-height: 16px;
  margin: -2px 0 0;
  color: #64748b;
  font-size: 10px;
  line-height: 1.5;
}

.seedance-library-panel .material-card {
  border-color: #e2e7f3;
  background: #fff;
}

.seedance-library-panel .material-folder-card {
  width: var(--seedance-library-card-width);
  min-width: var(--seedance-library-card-width);
  max-width: var(--seedance-library-card-width);
  min-height: var(--seedance-library-preview-height);
  padding: 12px;
  border-color: #e2e7f3;
  background: #fff;
  color: #111827;
}

.seedance-library-panel .material-folder-card:hover,
.seedance-library-panel .material-folder-card:focus-visible,
.seedance-library-panel .material-folder-card.drop-active {
  border-color: #6366f1;
  background: #f5f7ff;
  box-shadow: 0 0 0 1px rgba(99, 102, 241, 0.08);
}

.seedance-library-panel .material-folder-card-icon {
  background: #eef2ff;
  color: #6366f1;
}

.seedance-library-panel .material-folder-card-copy span,
.seedance-library-panel .material-folder-card-copy small,
.seedance-library-panel .material-folder-card-arrow { color: #64748b; }

.seedance-library-panel .material-preview { background: #f1f5f9; }
.seedance-library-panel .material-card h3 { color: #111827; }
.seedance-library-panel .material-card p { color: #64748b; }
.seedance-library-panel .material-card-actions button { border-color: #dce2f3; color: #334155; }
.seedance-library-panel .material-card-badges span { background: #eef2f7; color: #64748b; }
.seedance-library-panel .material-card-badges .shared { color: #0369a1; }
.seedance-library-panel .material-card-badges .personal { color: #047857; }

.seedance-library-panel > .material-grid.compact {
  grid-template-columns: repeat(auto-fill, var(--seedance-library-card-width));
  grid-auto-flow: row;
  grid-auto-rows: max-content;
  align-content: start;
  justify-content: start;
  gap: 12px;
  min-height: 0;
  padding: 2px;
  overflow-x: hidden;
  overflow-y: auto;
  overscroll-behavior: contain;
}

.seedance-library-panel .material-card.compact {
  width: var(--seedance-library-card-width);
  min-width: var(--seedance-library-card-width);
  max-width: var(--seedance-library-card-width);
  align-self: start;
}

.seedance-library-panel .material-card.compact .material-preview {
  width: calc(var(--seedance-library-card-width) - 2px);
  min-width: calc(var(--seedance-library-card-width) - 2px);
  height: var(--seedance-library-preview-height);
  min-height: var(--seedance-library-preview-height);
  max-height: var(--seedance-library-preview-height);
  aspect-ratio: auto;
}

.seedance-library-panel .material-card.compact .material-card-body {
  display: none;
}

.seedance-library-resize-handle {
  position: absolute;
  z-index: 5;
  right: 2px;
  bottom: 2px;
  width: 22px;
  height: 22px;
  border: 0;
  background:
    linear-gradient(135deg, transparent 0 48%, #94a3b8 49% 55%, transparent 56% 66%, #64748b 67% 73%, transparent 74%);
  cursor: nwse-resize;
  touch-action: none;
}

.seedance-library-panel.is-resizing,
.seedance-library-panel.is-resizing * {
  cursor: nwse-resize !important;
  user-select: none;
}

.seedance-prompt-editor.material-drop-active {
  outline: 2px solid #6366f1;
  outline-offset: 6px;
  background: #f7f8ff;
}

@media (max-width: 860px) {
  .material-library-page { padding: 16px 12px; }
  .material-library-header { align-items: center; }
  .material-library-toolbar { align-items: stretch; flex-direction: column; }
  .material-segments { max-width: 100%; overflow-x: auto; }
  .material-segments button { flex: 0 0 auto; }
  .material-search { width: 100%; }
  .material-upload-row { grid-template-columns: minmax(0, 1fr); }
  .material-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .seedance-title-row { justify-content: space-between; gap: 10px; }
  .seedance-title-row h2 { font-size: 20px; }
  .seedance-title-actions { position: static; flex: 0 0 auto; }
  .seedance-library-button span,
  .seedance-clear-button span { display: none; }
  .seedance-library-panel {
    top: 74px;
    right: 10px;
    left: 10px;
    width: auto;
    min-width: 0;
    min-height: min(420px, calc(100dvh - 20px));
    height: calc(100dvh - 94px);
    max-height: calc(100dvh - 94px);
  }

  .seedance-library-resize-handle { display: none; }
}

@media (max-width: 520px) {
  .material-grid,
  .material-grid.compact { grid-template-columns: minmax(0, 1fr); }
  .material-card { grid-template-columns: 108px minmax(0, 1fr); }
  .material-preview { height: 100%; min-height: 116px; aspect-ratio: auto; }
  .seedance-library-panel > .material-grid.compact {
    grid-template-columns: var(--seedance-library-card-width);
    justify-content: center;
  }
  .seedance-library-panel .material-card.compact { grid-template-columns: minmax(0, 1fr); }
  .seedance-library-panel .material-card.compact .material-preview {
    width: calc(var(--seedance-library-card-width) - 2px);
    height: var(--seedance-library-preview-height);
    min-height: var(--seedance-library-preview-height);
  }
  .seedance-library-upload-tools { grid-template-columns: minmax(0, 1fr); }
}

.feature-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.feature-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 24px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.01);
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  text-align: left;
}

.feature-card span {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--accent);
  margin-bottom: 8px;
  font-weight: bold;
}

.feature-card h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
}

.feature-card p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.feature-card.active, .feature-card:hover {
  background: rgba(255, 255, 255, 0.03);
  border-color: var(--accent);
  box-shadow: 0 10px 30px rgba(0, 240, 255, 0.05);
  transform: translateX(8px);
}

.lab-screen {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: rgba(10, 12, 22, 0.5);
  backdrop-filter: blur(12px);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 24px;
  box-shadow: var(--shadow);
}

#featureCanvas {
  width: 100%;
  aspect-ratio: 4/3;
  border-radius: var(--radius-sm);
  background: #05060b;
}

.lab-screen-copy h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
}

.lab-screen-copy p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}