/* 自由生成页 · 对照影擎 video-free。不重写共享 .btn/.pill/.input/.chip。 */

.content:has(.fc-page) {
  overflow: hidden;
}

.fc-page {
  --klein: #002fa7;
  --klein-hover: #002680;
  --fc-black: #101012;
  --fc-muted: #6f747c;
  --fc-line: rgba(34, 42, 54, 0.10);
  --fc-wash: rgba(34, 42, 54, 0.045);
  width: 100%;
  max-width: none;
  box-sizing: border-box;
  margin: -24px -28px -60px;
  padding: 52px clamp(40px, 3.2vw, 68px) 20px;
  height: calc(100vh - 116px);
  height: calc(100dvh - 116px);
  max-height: calc(100vh - 116px);
  max-height: calc(100dvh - 116px);
  min-height: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

@media (max-width: 1100px) {
  .fc-page { margin: -28px -24px -48px; }
}

.fc-page .fc-inner {
  width: min(1560px, 100%);
  margin: 0 auto;
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
}

.fc-page .fc-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  margin-bottom: 18px;
  flex-shrink: 0;
}
.fc-page .fc-title-row {
  display: flex;
  align-items: center;
  gap: 13px;
  min-width: 0;
}
.fc-page .fc-back {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  border: 1px solid rgba(34, 42, 54, 0.12);
  border-radius: 12px;
  color: var(--accent-black);
  background: rgba(255, 255, 255, 0.82);
  cursor: pointer;
  transition: background-color 180ms ease, transform 180ms ease;
}
.fc-page .fc-back:hover {
  transform: translateX(-2px);
  background: rgba(34, 42, 54, 0.08);
}
.fc-page .fc-back svg { width: 19px; height: 19px; }
.fc-page .fc-head h1 {
  margin: 0;
  font-size: 32px;
  line-height: 1.2;
  font-weight: 600;
  letter-spacing: -.02em;
  color: var(--accent-black);
}
.fc-page .fc-material {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
  flex-shrink: 0;
}
.fc-page .fc-ghost {
  min-width: 126px;
  height: 46px;
  padding: 0 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  border: 1px solid rgba(28, 34, 43, 0.12);
  border-radius: 11px;
  color: var(--accent-black);
  background: rgba(34, 42, 54, 0.05);
  font: inherit;
  cursor: pointer;
}
.fc-page .fc-ghost:hover { background: rgba(34, 42, 54, 0.10); }
.fc-page .fc-ghost svg { width: 19px; height: 19px; }

.fc-page .fc-stage {
  position: relative;
  flex: 1 1 auto;
  min-height: 0;
  display: flex;
  flex-direction: column;
  overflow: auto;
  overscroll-behavior: contain;
}
.fc-page .fc-stage:has(.system-loading) {
  display: grid;
  place-items: center;
}
.fc-page .fc-stage:has(.fc-empty:not(.is-soft)) {
  display: grid;
  place-items: center;
  overflow: hidden;
}
.fc-page .fc-stage:has(.fc-empty:not(.is-soft))::before {
  content: "";
  position: absolute;
  inset: 5% 7%;
  background-image:
    linear-gradient(rgba(0, 47, 167, 0.075) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 47, 167, 0.075) 1px, transparent 1px);
  background-size: 30px 30px;
  -webkit-mask-image: radial-gradient(circle at center, #000 0, rgba(0,0,0,.72) 35%, transparent 74%);
  mask-image: radial-gradient(circle at center, #000 0, rgba(0,0,0,.72) 35%, transparent 74%);
  pointer-events: none;
}

.fc-page .fc-empty {
  position: relative;
  z-index: 1;
  text-align: center;
  color: var(--fc-muted);
}
.fc-page .fc-empty-icon {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  margin: 0 auto 13px;
  border-radius: 12px;
  background: rgba(34, 42, 54, 0.07);
}
.fc-page .fc-empty-icon svg { width: 22px; height: 22px; }
.fc-page .fc-empty strong {
  display: block;
  font-size: 15px;
  font-weight: 600;
  color: var(--accent-black);
}
.fc-page .fc-empty p {
  margin: 8px 0 0;
  font-size: 13px;
}

.fc-page .fc-feedbar {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  flex-shrink: 0;
  margin-bottom: 14px;
}
.fc-page .fc-filter {
  height: 30px;
  padding: 0 11px;
  border: 0;
  border-radius: 8px;
  color: var(--fc-muted);
  background: rgba(34, 42, 54, 0.055);
  font: inherit;
  font-size: 12px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.fc-page .fc-filter span {
  font-variant-numeric: tabular-nums;
  opacity: 0.72;
}
.fc-page .fc-filter:hover {
  color: var(--accent-black);
  background: rgba(34, 42, 54, 0.10);
}
.fc-page .fc-filter.active {
  color: #fff;
  background: var(--fc-black);
}
.fc-page .fc-group + .fc-group { margin-top: 28px; }
.fc-page .fc-group-h {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent-black);
}
.fc-page .fc-group-h span {
  font-weight: 400;
  color: var(--fc-muted);
  font-variant-numeric: tabular-nums;
}

.fc-page .fc-feed {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  align-items: stretch;
  padding-bottom: 8px;
}
.fc-page .fc-sentinel {
  padding: 28px 0;
  text-align: center;
  font-size: 12px;
  color: var(--fc-muted);
}

.fc-page .fc-card {
  overflow: hidden;
  min-width: 0;
  height: 100%;
  border: 1px solid var(--fc-line);
  border-radius: 13px;
  background: rgba(34, 42, 54, 0.05);
  box-shadow: 0 8px 18px rgba(20, 27, 38, 0.075);
  display: flex;
  flex-direction: column;
  transition: transform 180ms ease, background-color 180ms ease;
}
.fc-page .fc-card.done { cursor: pointer; }
.fc-page .fc-card:hover {
  transform: translateY(-3px);
  background: rgba(34, 42, 54, 0.08);
}
.fc-page .fc-card-media {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  background: #e5e6e9;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  flex: 0 0 auto;
}
.fc-page .fc-card-media video { width: 100%; height: 100%; object-fit: cover; display: block; }
.fc-page .fc-dur {
  position: absolute;
  right: 9px;
  bottom: 9px;
  padding: 4px 7px;
  border-radius: 6px;
  color: #fff;
  background: rgba(16, 16, 18, 0.78);
  font-size: 11px;
}
.fc-page .fc-card-generating {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  background: linear-gradient(110deg, rgba(34, 42, 54, 0.04) 30%, rgba(34, 42, 54, 0.08) 50%, rgba(34, 42, 54, 0.04) 70%);
  background-size: 200% 100%;
  animation: fc-shimmer 1.6s linear infinite;
  font-size: 11px;
  color: var(--fc-muted);
}
@keyframes fc-shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}
.fc-page .fc-progress {
  width: 60%;
  height: 4px;
  border-radius: 99px;
  background: #e2e5ea;
  overflow: hidden;
}
.fc-page .fc-progress span,
.fc-page .fc-progress-mini span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: var(--klein);
  transition: width 0.6s ease;
}
.fc-page .fc-progress-mini {
  height: 4px;
  margin-top: 12px;
  overflow: hidden;
  border-radius: 99px;
  background: #e2e5ea;
}
.fc-page .fc-card-failed {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 16px;
  text-align: center;
  background: rgba(255, 255, 255, 0.82);
}
.fc-page .fc-card-failed p {
  font-size: 12px;
  line-height: 1.65;
  color: var(--fc-muted);
  max-width: 90%;
  margin: 0;
}
.fc-page .fc-failed-actions { display: flex; gap: 8px; }
.fc-page .fc-mini {
  height: 30px;
  padding: 0 10px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid rgba(28, 34, 43, 0.12);
  border-radius: 8px;
  color: var(--accent-black);
  background: #fff;
  font: inherit;
  font-size: 12px;
  cursor: pointer;
}
.fc-page .fc-mini:hover { background: rgba(34, 42, 54, 0.06); }
.fc-page .fc-card-hover {
  position: absolute;
  top: 10px;
  right: 10px;
  display: flex;
  gap: 6px;
  opacity: 0;
  transition: opacity 0.2s;
}
.fc-page .fc-card:hover .fc-card-hover { opacity: 1; }
.fc-page .fc-hover-btn {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  border: 0;
  background: rgba(255, 255, 255, 0.92);
  color: var(--fc-muted);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}
.fc-page .fc-hover-btn:hover { color: var(--accent-black); }
.fc-page .fc-hover-btn.fav { color: var(--klein); }
.fc-page .fc-hover-btn.danger:hover { color: var(--accent-crimson); }
.fc-page .fc-card-meta { padding: 15px 16px 17px; flex: 1 1 auto; }
.fc-page .fc-card-meta h3 {
  margin: 0 0 6px;
  min-height: calc(1.35em * 2);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.35;
  color: var(--accent-black);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.fc-page .fc-card-meta p {
  margin: 0;
  color: var(--fc-muted);
  font-size: 12px;
}
.fc-page .fc-card-line {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-top: 13px;
}
.fc-page .fc-tag {
  display: inline-flex;
  align-items: center;
  height: 25px;
  padding: 0 9px;
  border-radius: 7px;
  color: #4c5360;
  background: rgba(34, 42, 54, 0.08);
  font-size: 11px;
}
.fc-page .fc-tag.blue { color: var(--klein); background: rgba(0, 47, 167, 0.09); }
.fc-page .fc-tag.green { color: #138d3f; background: rgba(22, 184, 78, 0.10); }
.fc-page .fc-tag.danger { color: var(--accent-crimson); background: var(--crimson-bg); }

.fc-page .fc-composer {
  position: relative;
  z-index: 6;
  flex: 0 0 auto;
  margin-top: 14px;
  padding: 16px;
  border: 1px solid var(--fc-line);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 12px 30px rgba(20, 27, 38, 0.10);
}
.fc-page .fc-composer.drag { border-color: var(--klein); }
.fc-page .fc-drop-hint {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: inherit;
  background: rgba(0, 47, 167, 0.08);
  color: var(--klein);
  font-size: 13px;
  pointer-events: none;
  z-index: 2;
}
.fc-page .fc-prompt-main {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  align-items: start;
}
.fc-page .fc-refs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: flex-start;
  max-width: 220px;
}
.fc-page .fc-ref-btn {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border: 1px dashed rgba(34, 42, 54, 0.18);
  border-radius: 10px;
  background: rgba(34, 42, 54, 0.035);
  color: var(--accent-black);
  cursor: pointer;
}
.fc-page .fc-ref-btn:hover { background: rgba(34, 42, 54, 0.07); }
.fc-page .fc-ref-btn svg { width: 18px; height: 18px; }
.fc-page .fc-ref {
  position: relative;
  width: 46px;
  height: 46px;
  border-radius: 10px;
  border: 1px solid var(--fc-line);
  overflow: hidden;
  background: var(--fc-wash);
  display: flex;
  align-items: center;
  justify-content: center;
}
.fc-page .fc-ref img { width: 100%; height: 100%; object-fit: cover; }
.fc-page .fc-ref.uploading img { opacity: 0.4; }
.fc-page .fc-ref .spinner { position: absolute; }
.fc-page .fc-ref-kind { font-size: 10px; color: var(--fc-muted); }
.fc-page .fc-ref-dur {
  position: absolute;
  right: 3px;
  bottom: 3px;
  font-size: 8.5px;
  padding: 1px 4px;
  border-radius: 4px;
  background: rgba(16, 16, 18, 0.72);
  color: #fff;
}
.fc-page .fc-ref-label {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  font-size: 9px;
  padding: 1px 4px;
  background: rgba(16, 16, 18, 0.72);
  color: #fff;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.fc-page .fc-ref-x {
  position: absolute;
  top: 2px;
  right: 2px;
  width: 16px;
  height: 16px;
  border-radius: 999px;
  border: none;
  background: rgba(16, 16, 18, 0.72);
  color: #fff;
  font-size: 11px;
  line-height: 1;
  cursor: pointer;
  display: none;
  align-items: center;
  justify-content: center;
}
.fc-page .fc-ref:hover .fc-ref-x,
.fc-page .fc-kf-slot-wrap:hover .fc-ref-x { display: inline-flex; }

.fc-page .fc-keyframes { display: flex; align-items: center; gap: 8px; }
.fc-page .fc-kf-slot-wrap { position: relative; width: 88px; height: 66px; flex: 0 0 auto; }
.fc-page .fc-kf-slot {
  position: relative;
  width: 88px;
  height: 66px;
  border-radius: 10px;
  border: 1px dashed rgba(34, 42, 54, 0.18);
  background: rgba(34, 42, 54, 0.035);
  color: var(--fc-muted);
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  cursor: pointer;
  font-size: 11px;
  overflow: hidden;
}
.fc-page .fc-kf-slot-wrap > .fc-kf-slot { width: 100%; height: 100%; }
.fc-page .fc-kf-slot:hover { color: var(--accent-black); background: rgba(34, 42, 54, 0.07); }
.fc-page .fc-kf-slot.filled { border-style: solid; border-color: var(--fc-line); }
.fc-page .fc-kf-slot img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.fc-page .fc-kf-slot .spinner { position: absolute; }
.fc-page .fc-kf-lib {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: none;
  border-radius: 10px;
  background: transparent;
  color: transparent;
  cursor: pointer;
  opacity: 0;
  z-index: 1;
}
.fc-page .fc-kf-slot-wrap > .fc-ref-x { z-index: 2; }
.fc-page .fc-kf-tag {
  position: absolute;
  left: 3px;
  top: 3px;
  font-size: 8.5px;
  padding: 1px 4px;
  border-radius: 4px;
  background: rgba(16, 16, 18, 0.72);
  color: #fff;
}
.fc-page .fc-kf-arrow { color: var(--fc-muted); font-size: 13px; }

.fc-page .fc-prompt-wrap { min-width: 0; }
.fc-page .fc-prompt {
  min-height: 72px;
  max-height: 160px;
  overflow-y: auto;
  font-size: 14px;
  line-height: 1.65;
  color: var(--accent-black);
  outline: none;
  word-break: break-word;
}
.fc-page .fc-prompt:empty::before { content: attr(data-placeholder); color: var(--fc-muted); pointer-events: none; }
.fc-page .fc-mention {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 1px 6px;
  margin: 0 1px;
  border-radius: 6px;
  background: rgba(0, 47, 167, 0.09);
  color: var(--klein);
  font-size: 12px;
  vertical-align: middle;
  user-select: none;
  white-space: nowrap;
}
.fc-page .fc-mention img { width: 16px; height: 16px; border-radius: 3px; object-fit: cover; }

.fc-mention-menu { position: fixed; z-index: 300; transform: translateY(-100%); }
.fc-mention-menu-inner {
  min-width: 220px;
  max-width: 280px;
  max-height: 260px;
  overflow-y: auto;
  background: #fff;
  border: 1px solid rgba(34, 42, 54, 0.10);
  border-radius: 12px;
  box-shadow: 0 12px 30px rgba(20, 27, 38, 0.12);
  padding: 6px;
}
.fc-mention-menu-head { font-size: 11px; color: var(--fc-muted, #6f747c); padding: 4px 8px; }
.fc-mention-item {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 6px 8px;
  border: none;
  border-radius: 8px;
  background: transparent;
  cursor: pointer;
  font-size: 12.5px;
  color: var(--accent-black);
  text-align: left;
}
.fc-mention-item.active { background: rgba(34, 42, 54, 0.06); }
.fc-mention-item img { width: 24px; height: 24px; border-radius: 6px; object-fit: cover; }
.fc-mention-ph { width: 24px; height: 24px; border-radius: 6px; background: rgba(34, 42, 54, 0.08); }
.fc-mention-item .lbl { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.fc-mention-item .lbl.lib { color: #6f747c; }

.fc-page .fc-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-top: 13px;
  border-top: 1px solid rgba(34, 42, 54, 0.08);
}
.fc-page .fc-chips {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.fc-page .fc-toolbar-r {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.fc-page .fc-estimate {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--fc-muted);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
  margin-right: 2px;
}
.fc-page .fc-estimate svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
  color: var(--fc-muted);
}
.fc-page .fc-gen {
  min-width: 100px;
  height: 42px;
  padding: 0 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 0;
  border-radius: 11px;
  color: #fff;
  background: var(--klein);
  box-shadow: 0 9px 18px rgba(0, 47, 167, 0.18);
  font: inherit;
  font-weight: 500;
  cursor: pointer;
}
.fc-page .fc-gen:hover:not(:disabled) { transform: translateY(-1px); background: var(--klein-hover); }
.fc-page .fc-gen:disabled { opacity: 0.38; transform: none; box-shadow: none; cursor: not-allowed; }
.fc-page .fc-gen svg { width: 16px; height: 16px; }

.fc-page .fc-dd { position: relative; }
.fc-page .fc-chip {
  height: 32px;
  padding: 0 10px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 0;
  border-radius: 8px;
  color: #4a4f57;
  background: rgba(34, 42, 54, 0.06);
  font: inherit;
  font-size: 11px;
  cursor: pointer;
}
.fc-page .fc-chip strong { font-weight: 600; color: var(--accent-black); }
.fc-page .fc-chip svg { width: 12px; height: 12px; color: #4a4f57; }
.fc-page .fc-chip:hover { background: rgba(34, 42, 54, 0.10); }
.fc-page .fc-chip:disabled { opacity: 0.45; cursor: not-allowed; }
.fc-page .fc-dd.open .fc-chip svg { transform: rotate(180deg); }
.fc-page .fc-dd-menu {
  position: absolute;
  bottom: calc(100% + 6px);
  left: 0;
  z-index: 60;
  min-width: 180px;
  background: #fff;
  border: 1px solid rgba(34, 42, 54, 0.10);
  border-radius: 12px;
  box-shadow: 0 12px 30px rgba(20, 27, 38, 0.12);
  padding: 6px;
  /* 时长档随模型走(Seedance 2.5 有 4–30 共 27 项),菜单会顶穿视口。
     封顶后内部滚动;上限跟着视口收,矮屏也不会被切掉。 */
  max-height: min(320px, calc(100vh - 160px));
  overflow-y: auto;
  overscroll-behavior: contain;
}

/* 细滚动条:菜单本来就窄,系统默认那条会压掉一截可读宽度 */
.fc-page .fc-dd-menu::-webkit-scrollbar { width: 6px; }
.fc-page .fc-dd-menu::-webkit-scrollbar-thumb {
  border-radius: 999px;
  background: rgba(34, 42, 54, 0.18);
}
.fc-page .fc-dd-menu::-webkit-scrollbar-track { background: transparent; }
.fc-page .fc-dd-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
  width: 100%;
  padding: 7px 10px;
  border: none;
  border-radius: 8px;
  background: transparent;
  cursor: pointer;
  text-align: left;
  font: inherit;
}
.fc-page .fc-dd-item:hover { background: rgba(34, 42, 54, 0.06); }
.fc-page .fc-dd-item.selected { background: rgba(0, 47, 167, 0.08); }
.fc-page .fc-dd-item.selected .ti { color: var(--klein); }
.fc-page .fc-dd-item.disabled { cursor: not-allowed; }
.fc-page .fc-dd-item.disabled .ti,
.fc-page .fc-dd-item.disabled .de { color: rgba(28, 34, 43, 0.36); }
.fc-page .fc-dd-item .ti { font-size: 12.5px; font-weight: 500; color: var(--accent-black); }
.fc-page .fc-dd-item .de { font-size: 10.5px; color: var(--fc-muted); }
.fc-page .fc-seed-menu { min-width: 220px; padding: 10px; }
.fc-page .fc-seed-row { display: flex; gap: 8px; align-items: center; }
.fc-page .fc-seed-row .input { height: 30px; flex: 1; }
.fc-page .fc-seed-hint { margin-top: 6px; font-size: 10.5px; color: var(--fc-muted); }
.fc-fav-on { color: var(--klein); }

/* —— 全屏播放器 —— */
.fc-player-bg {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(21, 20, 15, 0.72);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 72px;
}
.fc-player-x {
  position: absolute;
  top: 20px;
  right: 24px;
  width: 36px;
  height: 36px;
  border-radius: var(--r-md);
  border: none;
  background: var(--black-alpha-24);
  color: var(--surface);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.fc-player-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 40px;
  height: 40px;
  border-radius: 999px;
  border: none;
  background: var(--black-alpha-24);
  color: var(--surface);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
}
.fc-player-nav.prev { left: 20px; }
.fc-player-nav.next { right: 20px; }
.fc-player-nav:hover, .fc-player-x:hover { background: var(--black-alpha-48); }
.fc-player {
  width: min(920px, 100%);
  max-height: 100%;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.fc-player-stage {
  max-height: 62vh;
  margin: 0 auto;
  max-width: 100%;
  background: #000; /* 视频画布留黑,行业惯例,非界面色 */
  border-radius: var(--r-md);
  overflow: hidden;
  cursor: pointer;
}
.fc-player-stage video { width: 100%; height: 100%; object-fit: contain; display: block; }
.fc-player-controls {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--surface-raised);
  border-radius: var(--r-md);
  padding: 8px 12px;
}
.fc-ctl {
  width: 30px;
  height: 30px;
  border: none;
  border-radius: var(--r-md);
  background: transparent;
  color: var(--black-alpha-56);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.fc-ctl:hover { background: var(--black-alpha-4); color: var(--accent-black); }
.fc-time { font-size: 11px; color: var(--black-alpha-56); font-variant-numeric: tabular-nums; white-space: nowrap; }
.fc-seek { flex: 1; accent-color: var(--heat); }
.fc-vol { width: 72px; accent-color: var(--heat); }
.fc-player-info {
  background: var(--surface-raised);
  border-radius: var(--r-md);
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.fc-player-prompt { font-size: 13px; line-height: 1.65; color: var(--accent-black); max-height: 72px; overflow-y: auto; }
.fc-player-sub { font-size: 11px; letter-spacing: 0.04em; color: var(--black-alpha-48); }
.fc-player-warn { font-size: 11px; color: var(--accent-honey); }
.fc-player-actions { display: flex; gap: 8px; margin-top: 4px; flex-wrap: wrap; }

/* —— 素材库弹窗 —— */
.fc-lib-modal { width: min(720px, 92vw); max-width: min(720px, 92vw); }
.fc-lib-body { max-height: 60vh; overflow-y: auto; }
.fc-lib-back {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  border: none;
  background: transparent;
  font-size: inherit;
  font-weight: inherit;
  color: inherit;
  cursor: pointer;
  padding: 0;
}
.fc-lib-back:hover { color: var(--heat); }
.fc-lib-toolbar { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.fc-lib-hint { font-size: 11px; letter-spacing: 0.04em; color: var(--black-alpha-48); }
.fc-lib-create { display: flex; gap: 8px; align-items: center; flex: 1; }
.fc-lib-create .input { height: 30px; flex: 1; max-width: 260px; }
.fc-lib-groups, .fc-lib-assets {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(132px, 1fr));
  gap: 12px;
}
.fc-lib-group, .fc-lib-asset {
  position: relative;
  background: var(--background-lighter);
  border: 1px solid var(--border-faint);
  border-radius: var(--r-md);
  padding: 10px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s;
}
.fc-lib-group:hover, .fc-lib-asset.pickable:hover { background: var(--surface); border-color: var(--heat-40); }
.fc-lib-asset:not(.pickable) { cursor: default; }
.fc-lib-thumb {
  position: relative;
  aspect-ratio: 1;
  border-radius: var(--r-sm);
  background: var(--black-alpha-4);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--black-alpha-48);
}
.fc-lib-thumb img { width: 100%; height: 100%; object-fit: cover; }
.fc-lib-name { font-size: 12.5px; font-weight: 500; color: var(--accent-black); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.fc-lib-rename-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 24px 24px;
  gap: 4px;
  align-items: center;
}
.fc-lib-name-input {
  height: 28px;
  min-width: 0;
  padding: 0 8px;
  font-size: 12.5px;
  font-weight: 500;
}
.fc-lib-rename-btn {
  width: 24px;
  height: 28px;
  border: 1px solid var(--border-faint);
  border-radius: var(--r-sm);
  background: var(--surface);
  color: var(--black-alpha-56);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.fc-lib-rename-btn:hover { color: var(--accent-black); border-color: var(--black-alpha-24); background: var(--black-alpha-4); }
.fc-lib-rename-btn.ok { color: var(--accent-forest); border-color: var(--forest-bd); background: var(--forest-bg); }
.fc-lib-rename-btn:disabled { opacity: .45; cursor: not-allowed; }
.fc-lib-count { font-size: 10.5px; letter-spacing: 0.04em; color: var(--black-alpha-48); }
.fc-lib-err { font-size: 10.5px; color: var(--accent-crimson); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.fc-lib-status {
  width: 100%;
  justify-content: flex-start;
  font-size: 11px;
}
.fc-lib-status.pill-ok {
  background: var(--forest-bg);
  color: var(--accent-forest);
  border-color: var(--forest-bd);
}
.fc-lib-status.pill-info {
  background: var(--heat-12);
  color: var(--heat);
  border-color: var(--heat-20);
}
.fc-lib-status.pill-err {
  background: var(--crimson-bg);
  color: var(--accent-crimson);
  border-color: var(--crimson-bd);
}
.fc-lib-status.pill-warn {
  background: var(--honey-bg);
  color: var(--accent-honey);
  border-color: var(--honey-bd);
}
.fc-lib-status .dot {
  width: 7px;
  height: 7px;
  background: currentColor;
}
.fc-lib-ops { position: absolute; top: 14px; right: 14px; display: flex; gap: 4px; opacity: 0; transition: opacity 0.2s; }
.fc-lib-group:hover .fc-lib-ops, .fc-lib-asset:hover .fc-lib-ops { opacity: 1; }
.fc-lib-ops button {
  width: 22px;
  height: 22px;
  border: none;
  border-radius: var(--r-sm);
  background: var(--black-alpha-56);
  color: var(--surface);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.fc-lib-ops button:hover { background: var(--accent-black); }
.fc-lib-delete-pop {
  position: absolute;
  top: 42px;
  right: 10px;
  z-index: 2;
  min-width: 148px;
  padding: 10px;
  border: 1px solid var(--border-muted);
  border-radius: var(--r-md);
  background: var(--surface-raised);
  box-shadow: 0 0 0 1px var(--black-alpha-7), var(--shadow-floating);
}
.fc-lib-delete-pop::before {
  content: "";
  position: absolute;
  top: -5px;
  right: 16px;
  width: 8px;
  height: 8px;
  border-left: 1px solid var(--border-muted);
  border-top: 1px solid var(--border-muted);
  background: var(--surface-raised);
  transform: rotate(45deg);
}
.fc-lib-delete-title {
  font-size: 12.5px;
  font-weight: 500;
  color: var(--accent-black);
  margin-bottom: 8px;
}
.fc-lib-delete-note {
  font-size: 10.5px;
  letter-spacing: 0.04em;
  color: var(--black-alpha-48);
  margin: -2px 0 8px;
}
.fc-lib-delete-actions { display: flex; justify-content: flex-end; gap: 6px; }
.fc-lib-delete-actions .btn {
  height: 26px;
  padding: 0 10px;
  font-size: 12px;
}
.fc-lib-delete-danger {
  color: var(--accent-crimson);
  border-color: var(--crimson-bd);
  background: var(--crimson-bg);
}
.fc-lib-delete-danger:hover {
  color: var(--accent-crimson);
  border-color: var(--crimson-bd);
  background: var(--crimson-bg);
}

/* —— 三库引用弹窗(资产库 / 模特库 / 商品库)—— */
.fc-lib-tabs { margin-bottom: 14px; }
.fc-lib-search { position: relative; display: flex; align-items: center; flex: 1; max-width: 280px; }
.fc-lib-search svg { position: absolute; left: 10px; z-index: 2; color: var(--black-alpha-48); }
.fc-lib-search .input { height: 30px; width: 100%; padding-left: 30px; }
.fc-lib-review-btn { height: 24px; padding: 0 8px; font-size: 11.5px; align-self: flex-start; }
.fc-lib-model-picks { display: flex; flex-wrap: wrap; gap: 6px; }
.fc-lib-model-picks .btn { height: 24px; padding: 0 8px; font-size: 11.5px; }
.fc-lib-more { display: flex; justify-content: center; padding-top: 14px; }

@media (max-width: 1500px) {
  .fc-page .fc-feed { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 1100px) {
  .fc-page .fc-head { flex-direction: column; align-items: stretch; }
  .fc-page .fc-material .fc-ghost { min-width: 0; }
  .fc-page .fc-feed { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 720px) {
  .fc-page .fc-feed { grid-template-columns: 1fr; }
  .fc-page .fc-prompt-main { grid-template-columns: 1fr; }
  .fc-page .fc-refs { max-width: none; }
  .fc-page .fc-toolbar { flex-wrap: wrap; }
  .fc-player-bg { padding: 16px; }
  .fc-player-nav.prev { left: 6px; }
  .fc-player-nav.next { right: 6px; }
}

/* 素材库弹窗:整块 body 接住拖进来的文件 */
.fc-lib-body.is-dragover {
  outline: 1.5px dashed var(--heat);
  outline-offset: -8px;
  background: var(--heat-8);
}