/* Extracted from index.html. AI image task tabs, save overlay, and task clear/close confirmations. */

/*
 * 任务标签外壳：横向铺满视口（毛玻璃随窗口变宽），
 * 内层轨道宽度 --tab-inner-w 与原先「主列 −40px」一致，标签位置不变。
 */
#ai-image .task-tabs-shell {
  --tab-inner-w: min(calc(var(--task-bar-width) - 40px), calc(100vw - 40px));
  position: fixed;
  top: 50px;
  left: 0;
  right: 0;
  width: 100%;
  max-width: none;
  transform: none;
  z-index: 60;
  padding: 0;
  box-sizing: border-box;
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  background: var(--bg);
  background: color-mix(in srgb, var(--bg) 86%, transparent);
  overflow-x: visible;
}

/* 窄屏默认：轨道居中，宽度 = --tab-inner-w */
#ai-image .task-tabs-shell > .independent-task-tabs {
  width: var(--tab-inner-w);
  max-width: calc(100vw - 40px);
  margin-left: auto;
  margin-right: auto;
}

/* 标签栏脱离文档流后，为任务列表预留空间：首张任务卡与标签栏底部统一约 5px */
#ai-image:has(> .task-tabs-shell) {
  padding-top: 77px;
}
@media (max-width: 1449px) {
  #ai-image:has(> .task-tabs-shell) {
    padding-top: 63px;
  }
}

/* 任务栏容器：单行不换行，超出横向滚动，不挤压上下空间 */
.independent-task-tabs {
  display: flex;
  align-items: flex-end;
  box-sizing: border-box;
  position: relative;
  transition: opacity 0.2s ease;
  flex-wrap: nowrap;
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.independent-task-tabs::-webkit-scrollbar {
  display: none;
}
.independent-task-tab-wrap,
.independent-task-tab.add,
.independent-task-tab.restore,
.independent-task-tab.clear-all-tabs {
  flex-shrink: 0;
}
.independent-task-tabs-spacer {
  flex: 1 1 0;
  min-width: 8px;
}
.independent-task-tabs.independent-task-tabs-restoring {
  opacity: 0;
}
.independent-task-tabs.independent-task-tabs-enter .independent-task-tab-wrap,
.independent-task-tabs.independent-task-tabs-enter .independent-task-tab.add {
  opacity: 0;
  animation: tab-card-expand 0.38s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}
@keyframes tab-card-expand {
  from {
    opacity: 0;
    transform: scale(0.88) translateY(6px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.independent-task-tab {
  padding: 8px 14px;
  border: 0;
  border-radius: 10px 10px 0 0;
  background: transparent;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.25;
  min-height: 36px;
  min-width: 2.5em;
  cursor: pointer;
  transition: background 0.18s ease, color 0.18s ease, transform 0.15s ease;
  box-sizing: border-box;
}

.independent-task-tab:active {
  transform: scale(0.97);
}

.independent-task-tab:hover {
  background: rgba(0, 0, 0, 0.06);
  color: var(--text);
}

html.theme-dark .independent-task-tab {
  color: var(--muted);
}

html.theme-dark .independent-task-tab:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
}

.independent-task-tab.active {
  color: #1d1d1f;
  background: #F0EEE9;
}

html.theme-dark .independent-task-tab.active {
  color: #1d1d1f;
  background: #F0EEE9;
}

.independent-task-tab.add.at-max {
  opacity: 0.5;
  color: var(--muted);
  cursor: not-allowed;
  pointer-events: none;
}

.independent-task-tab.add {
  margin-left: 4px;
  color: var(--muted);
  padding: 8px 14px;
  font-size: 14px;
  line-height: 1.25;
  min-height: 36px;
  border-radius: 10px 10px 0 0;
  transition: color 0.18s ease, transform 0.2s ease;
}

.independent-task-tab.add:hover {
  color: var(--text);
  background: transparent !important;
  transform: scale(1.06);
}

html.theme-dark .independent-task-tab.add:hover {
  background: transparent !important;
}

.independent-task-tab-wrap {
  display: inline-flex;
  flex-direction: column;
  align-items: flex-end;
  position: relative;
}

/* 上方透明悬停区，鼠标移到修改/× 时仍保持 hover */
.independent-task-tab-wrap::before {
  content: "";
  position: absolute;
  bottom: 100%;
  left: 0;
  right: 0;
  height: 26px;
}

/* 操作栏在标签上方、右对齐，不占文档流；消失延迟 0.35s 方便点击；按钮组整体靠右 */
.independent-task-tab-actions {
  position: absolute;
  bottom: 100%;
  right: 0;
  margin-bottom: 2px;
  display: flex;
  flex-direction: row;
  justify-content: flex-end;
  gap: 2px;
  opacity: 0;
  transition: opacity 0.18s ease 0.35s;
  pointer-events: none;
}

.independent-task-tab-wrap:hover .independent-task-tab-actions {
  opacity: 1;
  transition-delay: 0s;
  pointer-events: auto;
}

.independent-task-tab-close,
.independent-task-tab-rename,
.independent-task-tab-copy,
.independent-task-tab-save {
  width: 20px;
  height: 20px;
  padding: 0;
  border: none;
  border-radius: 4px;
  background: var(--surface);
  color: var(--muted);
  font-size: 0;
  line-height: 1;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.1);
  transition: color 0.15s ease, background 0.15s ease, transform 0.14s cubic-bezier(0.23, 1, 0.32, 1);
}

.independent-task-tab-close svg,
.independent-task-tab-rename svg,
.independent-task-tab-copy svg,
.independent-task-tab-save svg {
  width: 14px;
  height: 14px;
  display: block;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
  vector-effect: non-scaling-stroke;
}

.independent-task-tab-close:active,
.independent-task-tab-rename:active,
.independent-task-tab-copy:active,
.independent-task-tab-save:active {
  transform: scale(0.94);
}

.independent-task-tab-close:hover,
.independent-task-tab-rename:hover,
.independent-task-tab-copy:hover,
.independent-task-tab-save:hover {
  color: var(--text);
  background: var(--soft);
}

html.theme-dark .independent-task-tab-close,
html.theme-dark .independent-task-tab-rename,
html.theme-dark .independent-task-tab-copy,
html.theme-dark .independent-task-tab-save {
  background: var(--surface);
  color: var(--muted);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.3);
}

html.theme-dark .independent-task-tab-close:hover,
html.theme-dark .independent-task-tab-rename:hover,
html.theme-dark .independent-task-tab-copy:hover,
html.theme-dark .independent-task-tab-save:hover {
  color: var(--text);
  background: var(--soft);
}

.independent-task-tab-close {
  width: 0;
  min-width: 0;
  padding: 0;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
  transition: width 0.2s ease, min-width 0.2s ease, opacity 0.15s ease;
  background: #ff5c60 !important;
  color: #fff !important;
}
.independent-task-tab-close:hover {
  background: #ff5c60 !important;
  filter: brightness(1.03);
}
body.command-key-held .independent-task-tab-close,
html.command-key-held .independent-task-tab-close {
  width: 20px;
  min-width: 20px;
  padding: 0;
  opacity: 1;
  pointer-events: auto;
}
html.theme-dark .independent-task-tab-close {
  background: #ff5c60 !important;
  color: #fff !important;
}
html.theme-dark .independent-task-tab-close:hover {
  background: #ff5c60 !important;
  filter: brightness(1.03);
}

.independent-task-tab-input {
  width: 100%;
  min-width: 42px;
  max-width: 78px;
  padding: 4px 6px;
  border: none;
  border-radius: 0;
  background: transparent;
  color: #1d1d1f;
  -webkit-text-fill-color: #1d1d1f;
  caret-color: #1d1d1f;
  font-size: 14px;
  outline: none;
}

html.theme-dark .independent-task-tab-input {
  background: var(--blue);
  color: #1d1d1f;
  -webkit-text-fill-color: #1d1d1f;
  caret-color: #1d1d1f;
}

.independent-task-tab-input::placeholder {
  color: var(--muted);
}

.independent-task-tab-input.independent-task-tab-input-enter {
  animation: independent-task-tab-input-enter 220ms cubic-bezier(0.22, 1, 0.36, 1);
}

@keyframes independent-task-tab-input-enter {
  0% {
    opacity: 0;
    transform: scale(0.96);
  }
  100% {
    opacity: 1;
    transform: scale(1);
  }
}

.independent-task-tab.independent-task-tab-enter {
  animation: independent-task-tab-enter 280ms cubic-bezier(0.22, 1, 0.36, 1);
}

@keyframes independent-task-tab-enter {
  0% {
    opacity: 0;
    transform: scale(0.92);
  }
  100% {
    opacity: 1;
    transform: scale(1);
  }
}

.independent-task-tab-wrap.independent-task-tab-wrap-enter {
  animation: independent-task-tab-wrap-enter 280ms cubic-bezier(0.22, 1, 0.36, 1) forwards;
}
@keyframes independent-task-tab-wrap-enter {
  0% {
    opacity: 0;
    transform: scale(0.88);
  }
  100% {
    opacity: 1;
    transform: scale(1);
  }
}

.independent-task-tab-wrap.independent-task-tab-wrap-closing {
  animation: independent-task-tab-wrap-closing 220ms ease forwards;
  pointer-events: none;
}
@keyframes independent-task-tab-wrap-closing {
  0% {
    opacity: 1;
    transform: scale(1);
  }
  100% {
    opacity: 0;
    transform: scale(0.88);
  }
}

.independent-task-tab-input.flash {
  animation: none;
}

/* 未填写名称时整个底部标签亮红色闪烁 */
.independent-task-tab.flash {
  animation: independent-task-tab-flash 0.5s ease;
}

@keyframes independent-task-tab-flash {
  0%, 100% { background: transparent; }
  25% { background: rgba(255, 60, 60, 0.45); }
  50% { background: transparent; }
  75% { background: rgba(255, 60, 60, 0.35); }
}

html.theme-dark .independent-task-tab.flash {
  animation: independent-task-tab-flash-dark 0.5s ease;
}

@keyframes independent-task-tab-flash-dark {
  0%, 100% { background: transparent; }
  25% { background: rgba(255, 80, 80, 0.5); }
  50% { background: transparent; }
  75% { background: rgba(255, 80, 80, 0.4); }
}

.task-list-container-empty {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 280px;
  color: var(--muted);
  font-size: 15px;
  cursor: pointer;
  transition: color 0.18s ease, transform 0.2s ease;
}

.task-list-container-empty:hover {
  color: var(--text);
  transform: scale(1.06);
}

.task-list-container:has(.task-list) .task-list-container-empty {
  display: none;
}

.task-list-container {
  min-height: 0;
  position: relative;
  overflow-x: visible;
  overflow-y: visible;
}

/* 须低于 .top-nav(9999)，否则全屏遮罩与导航同阶时会盖住「⋯」菜单及下拉项命中 */
.workspace-save-overlay {
  position: fixed;
  inset: 0;
  z-index: 9997;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  background: rgba(255, 255, 255, 0.38);
  backdrop-filter: blur(1px);
}
.workspace-save-overlay[hidden] {
  display: none !important;
}

html.theme-dark .workspace-save-overlay {
  background: rgba(0, 0, 0, 0.38);
}

.workspace-save-overlay-card {
  min-width: 180px;
  padding: 14px 16px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--text);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-size: 14px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.workspace-save-spinner {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 2px solid color-mix(in srgb, var(--line) 72%, transparent);
  border-top-color: var(--accent);
  animation: workspace-save-spin .8s linear infinite;
  flex: 0 0 auto;
}

.workspace-save-overlay.is-saved .workspace-save-overlay-card {
  color: #176b2d;
  border-color: rgba(52, 199, 89, 0.45);
}

.workspace-save-overlay.is-failed .workspace-save-overlay-card {
  color: #b4232c;
  border-color: rgba(180, 35, 44, 0.45);
}

.workspace-save-overlay.is-saved .workspace-save-spinner,
.workspace-save-overlay.is-failed .workspace-save-spinner {
  display: none;
}

@keyframes workspace-save-spin {
  to { transform: rotate(360deg); }
}

.task-list {
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.task-list.task-list-switch-out {
  opacity: 0;
  transform: translateY(-6px);
}

.task-list.task-list-switch-in {
  animation: task-list-switch-in 0.22s ease forwards;
}

@keyframes task-list-switch-in {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.independent-task-name-overlay {
  position: absolute;
  inset: 0;
  z-index: 10;
  background: transparent;
  display: none;
}

html.theme-dark .independent-task-name-overlay {
  background: rgba(0, 0, 0, 0.35);
}

.independent-task-name-overlay.show {
  display: block;
}

.independent-task-close-confirm {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.4);
  pointer-events: none;
}

.independent-task-close-confirm.show {
  display: flex;
  pointer-events: auto;
}

.independent-task-close-confirm-card {
  position: relative;
  z-index: 1;
  pointer-events: auto;
  background: var(--surface);
  border-radius: 12px;
  padding: 20px 24px;
  max-width: 360px;
  width: 90%;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
  border: 1px solid rgba(0, 0, 0, 0.08);
}

html.theme-dark .independent-task-close-confirm-card {
  border-color: rgba(255, 255, 255, 0.08);
}

.independent-task-close-confirm-card p {
  color: var(--text);
  font-size: 15px;
  line-height: 1.5;
  margin-bottom: 16px;
}

.independent-task-close-confirm-check {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 20px;
  cursor: pointer;
  font-size: 14px;
  color: var(--muted);
}

.independent-task-close-confirm-check input {
  width: 16px;
  height: 16px;
  accent-color: var(--blue);
}

.independent-task-close-confirm-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

.independent-task-close-confirm-actions button {
  height: 36px;
  min-width: 88px;
  padding: 0 14px;
  border-radius: 10px;
  font-size: 13px;
  font: inherit;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.independent-task-close-confirm-cancel {
  background: #fff;
  color: #3a3a3c;
  border: 1px solid rgba(0, 0, 0, 0.14);
}

.independent-task-close-confirm-cancel:hover {
  background: #f2f2f5;
  color: var(--text);
}

html.theme-dark .independent-task-close-confirm-cancel {
  background: var(--surface);
  color: var(--text);
  border-color: rgba(255, 255, 255, 0.12);
}

html.theme-dark .independent-task-close-confirm-cancel:hover {
  background: var(--soft);
}

.independent-task-close-confirm-ok {
  background: var(--blue);
  color: #1d1d1f;
  border: 1px solid transparent;
}

.independent-task-close-confirm-ok:hover {
  background: #e5e3dd;
}

html.theme-dark .independent-task-close-confirm-ok,
html.theme-dark .independent-task-close-confirm-ok:hover {
  background: var(--blue);
  color: #1d1d1f;
  border-color: transparent;
}

.task-clear-confirm {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.4);
  pointer-events: none;
}

.task-clear-confirm.show {
  display: flex;
  pointer-events: auto;
}

.task-clear-confirm-card {
  position: relative;
  z-index: 1;
  pointer-events: auto;
  background: var(--surface);
  border-radius: 12px;
  padding: 20px 24px;
  max-width: 380px;
  width: 90%;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
  border: 1px solid rgba(0, 0, 0, 0.08);
}

html.theme-dark .task-clear-confirm-card {
  border-color: rgba(255, 255, 255, 0.08);
}

.task-clear-confirm-title {
  margin: 0 0 8px;
  color: var(--text);
  font-size: 16px;
  font-weight: 650;
  line-height: 1.35;
}

.task-clear-confirm-message {
  color: var(--text);
  font-size: 15px;
  line-height: 1.5;
  margin-bottom: 16px;
}

.task-clear-confirm-check {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 20px;
  cursor: pointer;
  font-size: 14px;
  color: var(--muted);
}

.task-clear-confirm-check input {
  width: 16px;
  height: 16px;
  accent-color: var(--blue);
}

.task-clear-confirm-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

.task-clear-confirm-actions button {
  height: 36px;
  min-width: 88px;
  padding: 0 14px;
  border-radius: 10px;
  font-size: 13px;
  font: inherit;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.task-clear-confirm-cancel {
  background: #fff;
  color: #3a3a3c;
  border: 1px solid rgba(0, 0, 0, 0.14);
}

.task-clear-confirm-cancel:hover {
  background: #f2f2f5;
  color: var(--text);
}

html.theme-dark .task-clear-confirm-cancel {
  background: var(--surface);
  color: var(--text);
  border-color: rgba(255, 255, 255, 0.12);
}

html.theme-dark .task-clear-confirm-cancel:hover {
  background: var(--soft);
}

.task-clear-confirm-ok {
  background: var(--blue);
  color: #1d1d1f;
  border: 1px solid transparent;
}

.task-clear-confirm-ok:hover {
  background: #e5e3dd;
}

html.theme-dark .task-clear-confirm-ok,
html.theme-dark .task-clear-confirm-ok:hover {
  background: var(--blue);
  color: #1d1d1f;
  border-color: transparent;
}

.independent-task-tab.restore {
  flex-shrink: 0;
  margin-left: 6px;
  padding: 0 12px;
  min-width: auto;
  height: 32px;
  line-height: 32px;
  font-size: 13px;
  border-radius: 8px;
  background: transparent;
  color: var(--muted);
  border: 1px solid transparent;
  transition: color 0.18s ease, transform 0.2s ease;
}

.independent-task-tab.restore:hover {
  color: var(--text);
  transform: scale(1.06);
}

html.theme-dark .independent-task-tab.restore:hover {
  color: var(--text);
}

.independent-task-storage {
  display: none !important;
}