/* 自由创作页(free-create)· 私有样式,全部 .fc- 前缀。
   颜色/圆角/间距全部走 design-restraint token(§8 Don't List:禁裸 hex / >12px 圆角 / 灰阴影)。 */

.fc-page { display: flex; flex-direction: column; min-height: calc(100vh - 64px - 120px); }

/* —— 任务流 —— */
.fc-feed-wrap { flex: 1; padding-bottom: 24px; }
.fc-feed {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 14px;
  align-items: start;
}
.fc-loading, .fc-sentinel {
  padding: 28px 0;
  text-align: center;
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--black-alpha-48);
}
.fc-empty { margin: 48px auto; }

/* —— 任务卡 —— */
.fc-card {
  background: var(--surface);
  border: 1px solid var(--border-faint);
  border-radius: var(--r-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color 0.2s;
}
.fc-card.done { cursor: pointer; }
.fc-card.done:hover { border-color: var(--black-alpha-48); }
.fc-card-media {
  position: relative;
  background: var(--background-base);
  max-height: 420px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.fc-card-media video { width: 100%; height: 100%; object-fit: cover; display: block; }
.fc-card-generating {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  background: linear-gradient(110deg, var(--black-alpha-4) 30%, var(--black-alpha-7) 50%, var(--black-alpha-4) 70%);
  background-size: 200% 100%;
  animation: fc-shimmer 1.6s linear infinite;
  font-size: 11px;
  color: var(--black-alpha-56);
}
@keyframes fc-shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}
.fc-progress {
  width: 60%;
  height: 4px;
  border-radius: 2px;
  background: var(--black-alpha-12);
  overflow: hidden;
}
.fc-progress span { display: block; height: 100%; border-radius: 2px; background: var(--heat); transition: width 0.6s ease; }
.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;
}
.fc-card-failed p { font-size: 12px; line-height: 1.65; color: var(--black-alpha-64); max-width: 90%; margin: 0; }
.fc-card-hover {
  position: absolute;
  top: 10px;
  right: 10px;
  display: flex;
  gap: 6px;
  opacity: 0;
  transition: opacity 0.2s;
}
.fc-card:hover .fc-card-hover { opacity: 1; }
.fc-hover-btn {
  width: 30px;
  height: 30px;
  border-radius: var(--r-md);
  border: 1px solid var(--border-faint);
  background: var(--surface);
  color: var(--black-alpha-56);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}
.fc-hover-btn:hover { background: var(--black-alpha-4); color: var(--accent-black); }
.fc-hover-btn.fav { color: var(--heat); }
.fc-hover-btn.danger:hover { color: var(--accent-crimson); }
.fc-card-meta { padding: 12px 14px; display: flex; flex-direction: column; gap: 4px; }
.fc-card-prompt {
  font-size: 13px;
  color: var(--accent-black);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.fc-card-sub { font-size: 11px; letter-spacing: 0.04em; color: var(--black-alpha-48); }

/* —— 底部输入条 —— */
.fc-inputbar {
  position: sticky;
  bottom: 16px;
  z-index: 5;
  background: var(--surface-raised);
  border: 1px solid var(--border-muted);
  border-radius: var(--r-md);
  padding: 14px 16px 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  box-shadow: var(--shadow-floating);
}
.fc-inputbar.drag { border-color: var(--heat-40); }
.fc-drop-hint {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--heat-12);
  border-radius: inherit;
  color: var(--heat);
  font-size: 12px;
  pointer-events: none;
}
.fc-input-top { display: flex; gap: 12px; align-items: flex-start; }

/* 参考素材条(universal) */
.fc-refs { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; max-width: 300px; }
.fc-add {
  width: 56px;
  height: 56px;
  border-radius: var(--r-md);
  border: 1px dashed var(--black-alpha-24);
  background: var(--background-base);
  color: var(--black-alpha-56);
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  cursor: pointer;
  font-size: 12px;
  transition: border-color 0.2s, color 0.2s;
}
.fc-add:hover { border-color: var(--heat-40); color: var(--heat); }
.fc-ref {
  position: relative;
  width: 56px;
  height: 56px;
  border-radius: var(--r-md);
  border: 1px solid var(--border-faint);
  overflow: hidden;
  background: var(--background-base);
  display: flex;
  align-items: center;
  justify-content: center;
}
.fc-ref img { width: 100%; height: 100%; object-fit: cover; }
.fc-ref.uploading img { opacity: 0.4; }
.fc-ref .spinner { position: absolute; }
.fc-ref-kind { font-size: 11px; color: var(--black-alpha-48); }
.fc-ref-dur {
  position: absolute;
  right: 3px;
  bottom: 3px;
  font-size: 8.5px;
  padding: 1px 4px;
  border-radius: var(--r-sm);
  background: var(--black-alpha-56);
  color: var(--surface);
}
.fc-ref-label {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  font-size: 9px;
  padding: 1px 4px;
  background: var(--black-alpha-56);
  color: var(--surface);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.fc-ref-x {
  position: absolute;
  top: 2px;
  right: 2px;
  width: 16px;
  height: 16px;
  border-radius: 999px;
  border: none;
  background: var(--black-alpha-56);
  color: var(--surface);
  font-size: 11px;
  line-height: 1;
  cursor: pointer;
  display: none;
  align-items: center;
  justify-content: center;
}
.fc-ref:hover .fc-ref-x, .fc-kf-slot-wrap:hover .fc-ref-x { display: inline-flex; }

/* 首尾帧(keyframe) */
.fc-keyframes { display: flex; align-items: center; gap: 8px; }
.fc-kf-slot-wrap { position: relative; width: 88px; height: 66px; flex: 0 0 auto; }
.fc-kf-slot {
  position: relative;
  width: 88px;
  height: 66px;
  border-radius: var(--r-md);
  border: 1px dashed var(--black-alpha-24);
  background: var(--background-base);
  color: var(--black-alpha-56);
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  cursor: pointer;
  font-size: 11px;
  overflow: hidden;
  transition: border-color 0.2s, color 0.2s;
}
.fc-kf-slot-wrap > .fc-kf-slot { width: 100%; height: 100%; }
.fc-kf-slot:hover { border-color: var(--heat-40); color: var(--heat); }
.fc-kf-slot.filled { border-style: solid; border-color: var(--border-faint); }
.fc-kf-slot img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.fc-kf-slot .spinner { position: absolute; }
.fc-kf-lib {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: none;
  border-radius: var(--r-md);
  background: transparent;
  color: transparent;
  cursor: pointer;
  opacity: 0;
  z-index: 1;
}
.fc-kf-slot-wrap > .fc-ref-x { z-index: 2; }
.fc-kf-tag {
  position: absolute;
  left: 3px;
  top: 3px;
  font-size: 8.5px;
  padding: 1px 4px;
  border-radius: var(--r-sm);
  background: var(--black-alpha-56);
  color: var(--surface);
}
.fc-kf-arrow { color: var(--black-alpha-48); font-size: 13px; }

/* 提示词编辑器(contenteditable) */
.fc-prompt-wrap { flex: 1; min-width: 0; }
.fc-prompt {
  min-height: 64px;
  max-height: 160px;
  overflow-y: auto;
  font-size: 13px;
  line-height: 1.65;
  color: var(--accent-black);
  outline: none;
  padding: 6px 2px;
  word-break: break-word;
}
.fc-prompt:empty::before { content: attr(data-placeholder); color: var(--black-alpha-48); pointer-events: none; }
.fc-mention {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 1px 6px;
  margin: 0 1px;
  border-radius: var(--r-sm);
  background: var(--heat-12);
  border: 1px solid var(--heat-20);
  color: var(--heat);
  font-size: 12px;
  vertical-align: middle;
  user-select: none;
  white-space: nowrap;
}
.fc-mention img { width: 16px; height: 16px; border-radius: 3px; object-fit: cover; }

/* @ 候选菜单(fixed,朝上弹) */
.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: var(--surface-raised);
  border: 1px solid var(--border-muted);
  border-radius: var(--r-md);
  box-shadow: var(--shadow-floating);
  padding: 6px;
}
.fc-mention-menu-head { font-size: 11px; letter-spacing: 0.04em; color: var(--black-alpha-48); padding: 4px 8px; }
.fc-mention-item {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 6px 8px;
  border: none;
  border-radius: var(--r-sm);
  background: transparent;
  cursor: pointer;
  font-size: 12.5px;
  color: var(--accent-black);
  text-align: left;
}
.fc-mention-item.active { background: var(--black-alpha-4); }
.fc-mention-item img { width: 24px; height: 24px; border-radius: var(--r-sm); object-fit: cover; }
.fc-mention-ph { width: 24px; height: 24px; border-radius: var(--r-sm); background: var(--black-alpha-7); }
.fc-mention-item .lbl { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.fc-mention-item .lbl.lib { color: var(--black-alpha-56); }

/* —— 工具栏 —— */
.fc-toolbar { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; border-top: 1px solid var(--border-faint); padding-top: 10px; }
.fc-toolbar-l { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.fc-toolbar-r { margin-left: auto; display: flex; align-items: center; gap: 8px; }
.fc-estimate { font-size: 11px; letter-spacing: 0.04em; color: var(--black-alpha-48); font-variant-numeric: tabular-nums; }

.fc-dd { position: relative; }
.fc-dd-btn {
  height: 28px;
  padding: 0 10px;
  border-radius: var(--r-md);
  border: 1px solid var(--border-faint);
  background: var(--surface);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--accent-black);
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s;
}
.fc-dd-btn:hover { background: var(--black-alpha-4); border-color: var(--black-alpha-24); }
.fc-dd-btn:disabled { color: var(--black-alpha-32); cursor: not-allowed; }
.fc-dd-btn svg { color: var(--black-alpha-48); transition: transform 0.2s; }
.fc-dd.open .fc-dd-btn svg { transform: rotate(180deg); }
.fc-dd-lbl { font-size: 10.5px; letter-spacing: 0.04em; color: var(--black-alpha-48); }
.fc-dd-val { font-weight: 500; }
.fc-dd-menu {
  position: absolute;
  bottom: calc(100% + 6px);
  left: 0;
  z-index: 60;
  min-width: 180px;
  background: var(--surface-raised);
  border: 1px solid var(--border-muted);
  border-radius: var(--r-md);
  box-shadow: var(--shadow-floating);
  padding: 6px;
}
.fc-dd-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
  width: 100%;
  padding: 7px 10px;
  border: none;
  border-radius: var(--r-sm);
  background: transparent;
  cursor: pointer;
  text-align: left;
}
.fc-dd-item:hover { background: var(--black-alpha-4); }
.fc-dd-item.selected { background: var(--heat-12); }
.fc-dd-item.selected .ti { color: var(--heat); }
.fc-dd-item.disabled { cursor: not-allowed; }
.fc-dd-item.disabled .ti, .fc-dd-item.disabled .de { color: var(--black-alpha-32); }
.fc-dd-item .ti { font-size: 12.5px; font-weight: 500; color: var(--accent-black); }
.fc-dd-item .de { font-size: 10.5px; letter-spacing: 0.04em; color: var(--black-alpha-48); }
.fc-seed-menu { min-width: 220px; padding: 10px; }
.fc-seed-row { display: flex; gap: 8px; align-items: center; }
.fc-seed-row .input { height: 30px; flex: 1; }
.fc-seed-hint { margin-top: 6px; font-size: 10.5px; letter-spacing: 0.04em; color: var(--black-alpha-48); }
.fc-fav-on { color: var(--heat); }

/* —— 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 .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);
}

/* 移动端:输入条参数换行、任务流单列 */
@media (max-width: 720px) {
  .fc-feed { grid-template-columns: 1fr; }
  .fc-input-top { flex-direction: column; }
  .fc-refs { max-width: none; }
  .fc-player-bg { padding: 16px; }
  .fc-player-nav.prev { left: 6px; }
  .fc-player-nav.next { right: 6px; }
}