:root {
  --primary: #0055ff;
  --primary-hover: #0044cc;
  --bg: #ffffff;
  --bg-page: #f0f0f0;
  --surface: #f7f7f7;
  --border: #e1e1e1;
  --border-strong: #b0b0b0;
  --text: #111111;
  --text-secondary: #555555;
  --text-tertiary: #999999;
  --topbar-height: 58px;
  --danger: #dc2626;
  --radius: 10px;
  --radius-sm: 8px;
  --border-w: 1px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

::-webkit-scrollbar {
  width: 4px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--border-strong);
}

* {
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}

html,
body {
  height: 100%;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 14px;
  color: var(--text);
  background: var(--bg-page);
  -webkit-font-smoothing: antialiased;
}

.topbar {
  position: fixed;
  left: 0;
  top: 0;
  right: 0;
  height: var(--topbar-height);
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 22px;
  z-index: 100;
}

.topbar-brand {
  display: inline-flex;
  align-items: center;
  color: var(--text);
  text-decoration: none;
  min-width: 160px;
  margin-right: 40px;
}

.topbar-brand-img {
  display: block;
  width: auto;
  height: 32px;
  object-fit: contain;
}

.topbar-logo {
  width: 30px;
  height: 30px;
  background: #eef3ff;
  color: var(--primary);
  font-size: 17px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid #d9e4ff;
  border-radius: 8px;
}

.topbar-nav {
  display: flex;
  align-items: center;
  align-self: stretch;
  gap: 22px;
  flex: 1;
}

.topbar-link {
  height: 100%;
  padding: 0 2px;
  display: flex;
  align-items: center;
  gap: 7px;
  justify-content: center;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 13px;
  font-weight: 600;
  position: relative;
  transition: color 0.15s;
}

.topbar-link i {
  font-size: 17px;
  color: var(--text-tertiary);
  transition: color 0.15s;
}

.topbar-link.active {
  color: var(--primary);
}

.topbar-link.active i {
  color: var(--primary);
}

.topbar-link.active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px 2px 0 0;
}

.topbar-link:hover {
  color: var(--text);
}

.topbar-link:hover i {
  color: var(--text);
}

.topbar-account {
  position: relative;
  display: flex;
  align-items: center;
  gap: 10px;
}

.topbar-icon-btn {
  position: relative;
  width: 34px;
  height: 34px;
  border: 0;
  border-radius: 8px;
  background: #f3f4f6;
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
}

.topbar-icon-btn:hover {
  color: var(--primary);
  background: #eef3ff;
}

.topbar-icon-btn i {
  font-size: 18px;
}

.topbar-divider {
  width: 1px;
  height: 22px;
  background: var(--border);
  display: inline-block;
}

.queue-badge {
  position: absolute;
  right: -5px;
  top: -6px;
  min-width: 17px;
  height: 17px;
  padding: 0 5px;
  border-radius: 999px;
  background: var(--primary);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  line-height: 17px;
  text-align: center;
}

.topbar-avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  padding: 0;
  background: var(--bg);
  cursor: pointer;
  border: 1px solid var(--border);
  overflow: hidden;
}

.topbar-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.avatar-menu {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  background: var(--bg);
  border: var(--border-w) solid var(--border);
  border-radius: var(--radius);
  padding: 6px;
  min-width: 160px;
  display: none;
  z-index: 200;
}

.avatar-menu.show {
  display: block;
}

.avatar-menu a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  color: var(--text);
  text-decoration: none;
  font-size: 13px;
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: background 0.12s;
}

.avatar-menu a:hover {
  background: var(--surface);
}

.avatar-menu a i {
  font-size: 18px;
  color: var(--text-secondary);
}

.main-content {
  padding-top: var(--topbar-height);
  height: 100vh;
  overflow: hidden;
}

.page-create {
  display: grid;
  grid-template-columns: 320px 1fr 240px;
  height: calc(100vh - var(--topbar-height));
}

.panel-form {
  overflow: hidden;
  border-right: var(--border-w) solid var(--border);
  background: var(--bg);
  display: flex;
  flex-direction: column;
}

.panel-form-scroll {
  flex: 1;
  overflow-y: auto;
  padding: 24px 20px 12px 20px;
}

.panel-form-fixed {
  padding: 16px 20px 20px 20px;
  border-top: var(--border-w) solid var(--border);
  background: var(--bg);
  flex-shrink: 0;
}

.panel-center {
  padding: 24px;
  overflow-y: auto;
  background: var(--bg-page);
}

.panel-history {
  padding: 16px 12px;
  overflow-y: auto;
  border-left: var(--border-w) solid var(--border);
  background: var(--bg);
}

.panel-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 20px;
  letter-spacing: -0.3px;
}

.section {
  margin-bottom: 24px;
}

.section-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 10px;
  text-transform: uppercase;
  letter-spacing: 0.8px;
}

.upload-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
}

.upload-item {
  position: relative;
  aspect-ratio: 1;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: var(--border-w) solid var(--border);
  transition: border-color 0.15s, box-shadow 0.15s;
}

.upload-item:hover {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0, 85, 255, 0.08);
}

.upload-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.upload-item .remove-btn {
  position: absolute;
  top: 4px;
  right: 4px;
  width: 20px;
  height: 20px;
  background: rgba(0, 0, 0, 0.6);
  color: #fff;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  font-size: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.15s;
}

.upload-item:hover .remove-btn {
  opacity: 1;
}

.upload-item.selected {
  outline: 3px solid var(--primary);
  outline-offset: -3px;
}

.library-delete-btn {
  position: absolute;
  top: 4px;
  right: 4px;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 7px;
  background: rgba(17, 17, 17, 0.72);
  color: #fff;
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.15s, background 0.15s;
}

.library-delete-btn i {
  font-size: 15px;
}

.library-item:hover .library-delete-btn {
  opacity: 1;
}

.library-delete-btn:hover {
  background: var(--danger);
}

.upload-add {
  aspect-ratio: 1;
  border: var(--border-w) dashed var(--border);
  border-radius: var(--radius-sm);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-tertiary);
  font-size: 20px;
  transition: border-color 0.15s, color 0.15s;
}

.upload-add:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.upload-add input[type="file"] {
  display: none;
}


.form-label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

textarea.form-input {
  width: 100%;
  min-height: 80px;
  padding: 10px 12px;
  border: var(--border-w) solid var(--border);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 13px;
  color: var(--text);
  resize: vertical;
  outline: none;
  background: var(--bg);
  transition: background 0.15s, border-color 0.15s, box-shadow 0.15s;
}

textarea.form-input:hover {
  border-color: var(--border-strong);
  background: #fbfdff;
}

textarea.form-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0, 85, 255, 0.08);
}

textarea.form-input::placeholder {
  color: var(--text-tertiary);
}

/* Custom Slider */
input[type=range] {
  -webkit-appearance: none;
  width: 100%;
  background: transparent;
  margin: 6px 0;
}

input[type=range]:focus {
  outline: none;
}

input[type=range]::-webkit-slider-runnable-track {
  width: 100%;
  height: 6px;
  cursor: pointer;
  background: var(--border);
  border-radius: 4px;
}

input[type=range]::-webkit-slider-thumb {
  height: 16px;
  width: 16px;
  border-radius: 50%;
  background: var(--primary);
  cursor: pointer;
  -webkit-appearance: none;
  margin-top: -5px;
  box-shadow: 0 0 0 2px var(--bg);
  transition: transform 0.1s;
}

input[type=range]::-webkit-slider-thumb:hover {
  transform: scale(1.15);
}

input[type=range]::-moz-range-track {
  width: 100%;
  height: 6px;
  cursor: pointer;
  background: var(--border);
  border-radius: 4px;
}

input[type=range]::-moz-range-thumb {
  height: 16px;
  width: 16px;
  border-radius: 50%;
  background: var(--primary);
  cursor: pointer;
  border: none;
  box-shadow: 0 0 0 2px var(--bg);
  transition: transform 0.1s;
}

input[type=range]::-moz-range-thumb:hover {
  transform: scale(1.15);
}

.settings-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 16px;
}

.settings-row.cols-3 {
  grid-template-columns: 1fr 1fr 1fr;
}

select.form-select {
  width: 100%;
  padding: 9px 12px;
  border: var(--border-w) solid var(--border);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 13px;
  color: var(--text);
  background: var(--bg);
  outline: none;
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23555' stroke-width='2.5'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  padding-right: 30px;
  transition: background-color 0.15s, border-color 0.15s, box-shadow 0.15s;
}

select.form-select:hover {
  border-color: var(--border-strong);
  background-color: #fbfdff;
}

select.form-select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0, 85, 255, 0.08);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 20px;
  border: var(--border-w) solid transparent;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: opacity 0.15s;
  letter-spacing: -0.2px;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  width: 100%;
}

.btn-primary:hover:not(:disabled) {
  opacity: 0.88;
}

.btn-secondary {
  background: #f3f4f6;
  color: var(--text);
  border-color: transparent;
}

.btn-secondary:hover:not(:disabled) {
  background: #e9eef7;
}

.btn-danger {
  background: var(--danger);
  color: #fff;
}

.btn-danger:hover:not(:disabled) {
  opacity: 0.88;
}

.btn-text {
  background: none;
  border: none;
  color: var(--primary);
  padding: 4px 8px;
  font-size: 13px;
  cursor: pointer;
  font-family: inherit;
  font-weight: 600;
}

.btn-text:hover {
  opacity: 0.8;
}

.btn-sm {
  padding: 7px 14px;
  font-size: 12px;
}

.video-result {
  background: var(--bg);
  border: var(--border-w) solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 20px;
  display: grid;
  grid-template-columns: minmax(220px, 0.9fr) minmax(220px, 1fr);
}

.video-result-player {
  width: 100%;
  aspect-ratio: 16/9;
  background: #111;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.video-result-media {
  min-width: 0;
  background: #111;
}

.video-result-player video {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.video-result-player .placeholder-icon {
  color: #444;
  font-size: 48px;
}

.video-result-details {
  padding: 16px;
}

.video-result-side {
  min-width: 0;
  border-left: var(--border-w) solid var(--border);
}

.video-result-prompt {
  font-size: 13px;
  color: var(--text);
  line-height: 1.45;
  margin-bottom: 14px;
}

.video-result-prompt-text {
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.video-result-prompt.expanded .video-result-prompt-text {
  display: block;
  max-height: 220px;
  overflow-y: auto;
  padding-right: 4px;
}

.prompt-more-btn {
  margin-top: 6px;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--primary);
  font-family: inherit;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
}

.prompt-more-btn:hover {
  color: var(--primary-hover);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.video-result-params {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px 12px;
}

.param-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.param-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.param-value {
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
}

.video-result-actions {
  display: flex;
  gap: 8px;
  padding: 12px 16px;
  border-top: var(--border-w) solid var(--border);
}

.preview-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  color: var(--text-tertiary);
  gap: 12px;
}

.preview-empty i {
  font-size: 48px;
}

.preview-empty span {
  font-size: 14px;
}

.status-indicator {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  border-top: var(--border-w) solid var(--border);
  font-size: 13px;
  font-weight: 500;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--text-tertiary);
  flex-shrink: 0;
}

.status-dot.generating {
  background: #f59e0b;
  animation: pulse-dot 1.5s ease-in-out infinite;
}

.status-dot.completed {
  background: #10b981;
}

.status-dot.failed {
  background: var(--danger);
}

@keyframes pulse-dot {

  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0.3;
  }
}

.history-strip-title {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-bottom: 12px;
}

.history-strip {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.history-thumb {
  width: 100%;
  aspect-ratio: 16/9;
  border-radius: var(--radius-sm);
  border: var(--border-w) solid var(--border);
  overflow: hidden;
  cursor: pointer;
  position: relative;
  background: #111;
  transition: border-color 0.15s;
}

.history-thumb:hover {
  border-color: var(--primary);
}

.history-thumb.active {
  border-color: var(--primary);
}

.history-thumb video,
.history-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.history-thumb-placeholder {
  width: 100%;
  height: 100%;
  background: #222;
  display: flex;
  align-items: center;
  justify-content: center;
}

.history-thumb-placeholder i {
  font-size: 20px;
  color: #555;
}

.history-thumb .thumb-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 4px 6px;
  background: rgba(0, 0, 0, 0.7);
  font-size: 10px;
  color: #fff;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.history-thumb .thumb-status {
  position: absolute;
  top: 4px;
  right: 4px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.history-empty {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.history-empty-box {
  width: 100%;
  aspect-ratio: 16/9;
  border-radius: var(--radius-sm);
  background: var(--bg-page);
  border: var(--border-w) dashed var(--border);
}

.history-empty-box:nth-child(2) {
  opacity: 0.5;
}

.history-empty-box:nth-child(3) {
  opacity: 0.25;
}

.page-history {
  padding: 32px;
  height: calc(100vh - var(--topbar-height));
  overflow-y: auto;
  background: var(--bg-page);
}

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}

.page-title {
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.3px;
}

.search-input {
  width: 280px;
  padding: 9px 12px;
  padding-left: 36px;
  border: var(--border-w) solid var(--border);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 13px;
  color: var(--text);
  outline: none;
  background: var(--bg);
  transition: border-color 0.15s;
}

.search-input:focus {
  border-color: var(--primary);
}

.search-wrap {
  position: relative;
}

.search-wrap i {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 16px;
  color: var(--text-tertiary);
}

.video-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.video-card {
  border: var(--border-w) solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg);
}

.video-thumb {
  aspect-ratio: 16/9;
  background: #111;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.video-thumb video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.video-thumb .play-icon {
  position: absolute;
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #111;
  font-size: 18px;
}

.video-thumb .status-badge {
  position: absolute;
  top: 8px;
  left: 8px;
  padding: 3px 8px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.status-badge.generating {
  background: #fef3c7;
  color: #92400e;
}

.status-badge.completed {
  background: #d1fae5;
  color: #065f46;
}

.status-badge.failed {
  background: #fee2e2;
  color: #991b1b;
}

.status-badge.pending {
  background: var(--surface);
  color: var(--text-secondary);
}

.video-info {
  padding: 14px;
}

.video-prompt {
  font-size: 13px;
  color: var(--text);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 10px;
}

.video-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.video-date {
  font-size: 12px;
  color: var(--text-tertiary);
}

.video-badges {
  display: flex;
  gap: 4px;
}

.badge {
  padding: 3px 8px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 600;
  background: var(--surface);
  color: var(--text-secondary);
  border: var(--border-w) solid var(--border);
}

.video-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 14px 14px;
}

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: calc(100vh - var(--topbar-height) - 120px);
  color: var(--text-tertiary);
  gap: 12px;
}

.empty-state i {
  font-size: 48px;
}

.empty-state span {
  font-size: 14px;
}

.page-settings {
  padding: 32px;
  height: calc(100vh - var(--topbar-height));
  overflow-y: auto;
  background: var(--bg-page);
}

.settings-container {
  max-width: 560px;
  background: var(--bg);
  border: var(--border-w) solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
}

.settings-section {
  margin-bottom: 28px;
}

.settings-section-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  padding-bottom: 12px;
  border-bottom: var(--border-w) solid var(--border);
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

input.form-input {
  width: 100%;
  padding: 9px 12px;
  border: var(--border-w) solid var(--border);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 14px;
  color: var(--text);
  outline: none;
  background: var(--bg);
  transition: background 0.15s, border-color 0.15s, box-shadow 0.15s;
}

input.form-input:hover {
  border-color: var(--border-strong);
  background: #fbfdff;
}

input.form-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0, 85, 255, 0.08);
}

input.form-input::placeholder {
  color: var(--text-tertiary);
}

.input-with-action {
  position: relative;
}

.input-with-action input {
  padding-right: 60px;
}

.input-with-action .input-action {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  font-family: inherit;
  font-size: 12px;
  color: var(--primary);
  cursor: pointer;
  font-weight: 600;
}

.form-hint {
  font-size: 12px;
  color: var(--text-tertiary);
  margin-top: 6px;
}

.form-hint a {
  color: var(--primary);
  font-weight: 600;
  text-decoration: none;
}

.form-hint a:hover {
  text-decoration: underline;
}

.settings-row-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  padding: 12px 22px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  z-index: 1000;
  opacity: 0;
  transition: opacity 0.2s;
  pointer-events: none;
  border: var(--border-w) solid transparent;
}

.toast.show {
  opacity: 1;
}

.toast.success {
  background: #065f46;
  color: #fff;
}

.toast.error {
  background: var(--danger);
  color: #fff;
}

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.35);
  z-index: 200;
  display: none;
  align-items: center;
  justify-content: center;
}

.modal-overlay.show {
  display: flex;
}

.modal {
  background: var(--bg);
  border-radius: var(--radius);
  border: var(--border-w) solid var(--border);
  padding: 24px;
  width: 100%;
  max-width: 400px;
}

.modal-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
}

.modal-text {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 20px;
  line-height: 1.5;
}

.modal-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
}

.spinner {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2.5px solid rgba(255, 255, 255, 0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

.spinner.dark {
  border-color: rgba(0, 0, 0, 0.1);
  border-top-color: var(--text-secondary);
}

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

.library-toggle {
  display: flex;
  gap: 4px;
  margin-bottom: 10px;
}

.library-toggle button {
  padding: 5px 12px;
  border: var(--border-w) solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg);
  font-family: inherit;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-tertiary);
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
}

.library-toggle button:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: #f7faff;
}

.library-toggle button.active {
  border-color: var(--primary);
  color: var(--primary);
  background: #f0f5ff;
}

.library-switch {
  border: 0;
  background: transparent;
  padding: 0;
  color: var(--primary);
  font-family: inherit;
  font-size: 12px;
  font-weight: 600;
  line-height: 1.2;
  cursor: pointer;
  transition: color 0.15s;
}

.library-switch:hover {
  color: var(--primary-hover);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.library-switch:focus {
  outline: none;
}

.library-switch:focus-visible {
  color: var(--primary-hover);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.library-controls {
  margin-bottom: 10px;
}

.library-search-wrap {
  position: relative;
}

.library-search-wrap i {
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-tertiary);
  font-size: 15px;
}

.library-search {
  width: 100%;
  height: 36px;
  padding: 0 10px 0 32px;
  border: var(--border-w) solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg);
  color: var(--text);
  font-family: inherit;
  font-size: 13px;
  outline: none;
}

.library-search:focus {
  border-color: var(--primary);
}

.library-empty,
.library-load-more-wrap {
  grid-column: 1 / -1;
}

.library-empty {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: var(--border-w) dashed var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-tertiary);
  font-size: 12px;
  font-weight: 600;
}

.library-load-more {
  width: 100%;
  height: 34px;
  border: var(--border-w) solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg);
  color: var(--text-secondary);
  font-family: inherit;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
}

.library-load-more:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: #f0f5ff;
}

.model-select-wrap {
  position: relative;
  margin-bottom: 20px;
}

.model-selector {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  border: var(--border-w) solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg);
  font-family: inherit;
  text-align: left;
  cursor: pointer;
  transition: border-color 0.15s;
}

.model-selector:hover,
.model-select-wrap.open .model-selector {
  border-color: var(--primary);
}

.model-selector-icon {
  width: 32px;
  height: 32px;
  background: #202124;
  border: 0;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: var(--primary);
  flex-shrink: 0;
}

.model-selector-icon img {
  width: 22px;
  height: 22px;
  object-fit: contain;
  display: block;
}

.model-option img {
  width: 32px;
  height: 32px;
  padding: 5px;
  object-fit: contain;
  display: block;
  background: #202124;
  border-radius: 8px;
  flex: 0 0 auto;
}

.model-selector-info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.model-selector-name {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  line-height: 1.2;
}

.model-selector-desc {
  display: block;
  font-size: 11px;
  color: var(--text-tertiary);
  line-height: 1.2;
}

.model-selector-arrow {
  color: var(--text-tertiary);
  font-size: 16px;
  transition: transform 0.15s;
}

.model-select-wrap.open .model-selector-arrow {
  transform: rotate(90deg);
}

.model-options {
  position: absolute;
  z-index: 50;
  left: 0;
  right: 0;
  top: calc(100% + 6px);
  display: none;
  padding: 6px;
  background: var(--bg);
  border: var(--border-w) solid var(--border);
  border-radius: var(--radius-sm);
  box-shadow: 0 12px 30px rgba(17, 17, 17, 0.12);
}

.model-select-wrap.open .model-options {
  display: block;
}

.model-option {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 10px;
  border: 0;
  border-radius: 7px;
  background: transparent;
  color: var(--text);
  font-family: inherit;
  text-align: left;
  cursor: pointer;
}

.model-option:hover,
.model-option.active {
  background: #f0f5ff;
}

.model-option span {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.model-option strong {
  font-size: 13px;
  font-weight: 600;
  line-height: 1.25;
}

.model-option small {
  color: var(--text-tertiary);
  font-size: 11px;
  line-height: 1.25;
}

.model-option .ti-check {
  opacity: 0;
  color: var(--primary);
  font-size: 16px;
}

.model-option.active .ti-check {
  opacity: 1;
}

.divider {
  height: var(--border-w);
  background: var(--border);
  margin: 20px 0;
}

/* Seedance UGC studio */
.seedance-studio.page-create {
  grid-template-columns: 440px minmax(460px, 1fr) 260px;
}

.ugc-workspace .panel-form-scroll {
  padding: 20px 18px 12px;
}

.create-panel-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.create-panel-head p {
  margin-top: -6px;
  color: var(--text-secondary);
  font-size: 12px;
  line-height: 1.4;
}

.compact-model-select {
  margin-bottom: 8px;
}

.compact-model-select .model-selector {
  padding: 9px 10px;
}

.compact-model-select .model-selector-icon {
  width: 32px;
  height: 32px;
}

.advanced-step {
  display: block;
}

.advanced-summary {
  min-height: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  list-style: none;
  cursor: pointer;
  color: var(--text);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.advanced-summary::-webkit-details-marker {
  display: none;
}

.advanced-summary span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.advanced-summary i {
  font-size: 16px;
  color: var(--text-secondary);
}

.advanced-summary>.ti-chevron-down {
  transition: transform 0.15s;
}

.advanced-step[open] .advanced-summary {
  margin-bottom: 14px;
}

.advanced-step[open] .advanced-summary>.ti-chevron-down {
  transform: rotate(180deg);
}

.left-prompt-accordion {
  display: block;
  padding: 0;
  margin-top: 18px;
}

.left-prompt-accordion .prompt-accordion-summary {
  min-height: 42px;
  padding: 0;
}

.left-prompt-accordion[open] .prompt-accordion-summary {
  border-bottom: 0;
}

.left-prompt-accordion .prompt-accordion-body {
  padding: 0 0 2px;
}

.prompt-tools {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 8px;
}

.left-prompt-accordion .prompt-preview {
  min-height: 220px;
  max-height: 320px;
}

.preview-stage {
  display: flex;
  flex-direction: column;
  padding: 22px;
}

.preview-stage-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}

.preview-stage-header h1 {
  font-size: 18px;
  letter-spacing: 0;
}

.preview-stage-header span {
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 700;
}

.preview-stage .preview-empty {
  flex: 1;
}

.preview-stage #video-results {
  width: 100%;
}

.studio-kicker {
  font-size: 11px;
  font-weight: 700;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-bottom: 6px;
}

.studio-title {
  font-size: 20px;
  margin-bottom: 14px;
  letter-spacing: 0;
}

.studio-subtitle {
  color: var(--text-secondary);
  font-size: 13px;
  line-height: 1.5;
  margin-bottom: 18px;
}

.form-step {
  display: flex;
  gap: 8px;
  align-items: center;
  margin: 0 0 12px;
  min-height: 22px;
}

.builder-step {
  padding: 18px 0 22px;
  border-bottom: var(--border-w) solid var(--border);
}

.builder-step:first-of-type {
  padding-top: 4px;
}

.builder-step:last-of-type {
  border-bottom: 0;
  padding-bottom: 0;
}

.form-step .section-label {
  margin-bottom: 0;
  line-height: 22px;
  display: flex;
  align-items: center;
}

.step-number {
  width: 22px;
  height: 22px;
  line-height: 22px;
  border-radius: 50%;
  background: var(--text);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 700;
  flex-shrink: 0;
  font-variant-numeric: tabular-nums;
}

.reference-block {
  border: var(--border-w) solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px;
  background: var(--bg);
  margin-bottom: 12px;
}

.primary-reference {
  border-color: #9fb8ff;
  background: #f6f9ff;
}

.reference-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 8px;
}

.reference-title {
  font-size: 13px;
  font-weight: 700;
}

.reference-accordion {
  margin-bottom: 16px;
}

.reference-accordion summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  list-style: none;
  padding: 8px 10px;
  border: var(--border-w) solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 12px;
  font-weight: 700;
  color: var(--text-secondary);
  background: var(--surface);
}

.reference-accordion summary::-webkit-details-marker {
  display: none;
}

.reference-accordion[open] summary {
  margin-bottom: 12px;
}

.reference-accordion[open] summary i {
  transform: rotate(180deg);
}

.choice-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
}

.choice-card {
  min-height: 42px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px;
  border: var(--border-w) solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg);
  color: var(--text-secondary);
  font-family: inherit;
  font-size: 11px;
  font-weight: 700;
  text-align: left;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s, color 0.15s;
}

.choice-card i {
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--surface);
  border-radius: 7px;
  color: var(--text-secondary);
  font-size: 16px;
  flex-shrink: 0;
}

.choice-card span {
  min-width: 0;
  line-height: 1.25;
}

.choice-card.active,
.choice-card:hover {
  border-color: var(--primary);
  background: #f4f7ff;
  color: var(--primary);
}

.choice-card.active i,
.choice-card:hover i {
  background: #e7eeff;
  color: var(--primary);
}

.range-label-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
}

.range-value {
  font-size: 12px;
  font-weight: 700;
  color: var(--primary);
}

.director-preview {
  background: var(--bg);
  border: var(--border-w) solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 20px;
}

.prompt-accordion {
  padding: 0;
  overflow: visible;
}

.prompt-accordion-summary {
  min-height: 50px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 0 16px;
  cursor: pointer;
  list-style: none;
  color: var(--text);
  font-size: 13px;
  font-weight: 700;
}

.prompt-accordion-summary::-webkit-details-marker {
  display: none;
}

.prompt-accordion-summary span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.prompt-accordion-summary i {
  color: var(--text-secondary);
  font-size: 17px;
}

.prompt-accordion-summary>.ti-chevron-down {
  transition: transform 0.15s;
}

.prompt-accordion[open] .prompt-accordion-summary {
  border-bottom: var(--border-w) solid var(--border);
}

.prompt-accordion[open] .prompt-accordion-summary>.ti-chevron-down {
  transform: rotate(180deg);
}

.prompt-accordion-body {
  padding: 16px;
}

.preview-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 14px;
}

.preview-header h1 {
  font-size: 19px;
  line-height: 1.2;
  letter-spacing: 0;
}

.prompt-editor-wrap {
  position: relative;
}

.prompt-preview {
  width: 100%;
  min-height: 320px;
  max-height: 420px;
  padding: 10px 12px;
  border: var(--border-w) solid var(--border);
  border-radius: var(--radius-sm);
  font-family: inherit;
  line-height: 1.55;
  font-size: 13px;
  color: var(--text);
  background: #fbfbfb;
  transition: background 0.15s, border-color 0.15s, box-shadow 0.15s;
}

.prompt-editor {
  width: 100%;
  overflow-y: auto;
  white-space: pre-wrap;
  outline: none;
}

.prompt-editor:hover {
  border-color: var(--border-strong);
  background: #fbfdff;
}

.prompt-editor:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0, 85, 255, 0.08);
}

.prompt-preview-hidden {
  display: none;
}

.mention-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  max-width: 150px;
  padding: 1px 5px 1px 3px;
  margin: 0 2px;
  border: 1px solid #cbd8ff;
  border-radius: 6px;
  background: #edf3ff;
  color: var(--primary);
  font-weight: 700;
  font-size: 12px;
  line-height: 1.35;
  white-space: nowrap;
  vertical-align: baseline;
}

.mention-chip img {
  width: 14px;
  height: 14px;
  border-radius: 3px;
  object-fit: cover;
  flex-shrink: 0;
}

.mention-menu {
  position: absolute;
  z-index: 80;
  left: 12px;
  top: 12px;
  display: none;
  max-height: 220px;
  overflow-y: auto;
  padding: 6px;
  background: var(--bg);
  border: var(--border-w) solid var(--border);
  border-radius: var(--radius-sm);
  box-shadow: 0 12px 28px rgba(17, 17, 17, 0.16);
}

.mention-menu.show {
  display: block;
}

.mention-option {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 8px;
  border: 0;
  border-radius: 7px;
  background: transparent;
  color: var(--text);
  font-family: inherit;
  text-align: left;
  cursor: pointer;
}

.mention-option:hover,
.mention-option.active {
  background: #f0f5ff;
}

.mention-option img {
  width: 30px;
  height: 30px;
  border-radius: 7px;
  object-fit: cover;
  flex-shrink: 0;
}

.mention-option span {
  display: flex;
  flex-direction: column;
  gap: 1px;
  min-width: 0;
}

.mention-option strong {
  font-size: 12px;
}

.mention-option small {
  color: var(--text-tertiary);
  font-size: 11px;
}

.seedance-studio .preview-empty {
  min-height: 220px;
  height: auto;
  background: var(--bg);
  border: var(--border-w) dashed var(--border);
  border-radius: var(--radius);
}

.toast.info {
  background: #1f2937;
  color: #fff;
}

@media (max-width: 1180px) {
  .seedance-studio.page-create {
    grid-template-columns: 440px minmax(360px, 1fr);
  }

  .seedance-studio .panel-history {
    display: none;
  }
}

@media (max-width: 860px) {
  .main-content {
    height: auto;
    min-height: 100vh;
    overflow: visible;
  }

  .seedance-studio.page-create {
    display: block;
    height: auto;
  }

  .panel-form,
  .panel-center {
    height: auto;
    border-right: none;
  }

  .panel-form-scroll {
    overflow: visible;
  }

  .panel-center {
    padding: 16px;
  }

  .settings-row,
  .choice-grid {
    grid-template-columns: 1fr;
  }

}

/* UGC reference-style workspace */
.ugc-page {
  height: calc(100vh - var(--topbar-height));
  display: grid;
  grid-template-columns: 520px minmax(420px, 1fr) 320px;
  background: var(--bg);
  overflow: hidden;
}

.ugc-builder,
.ugc-videos {
  min-width: 0;
  background: var(--bg);
}

.ugc-builder {
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.ugc-builder-scroll {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  padding: 20px 22px 16px;
}

.ugc-builder-footer {
  padding: 12px 22px 16px;
  border-top: 1px solid var(--border);
  flex-shrink: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.ugc-builder-footer .btn {
  width: 100%;
  padding-left: 12px;
  padding-right: 12px;
}

.ugc-builder-footer #queue-cancel-btn:not([hidden]) {
  display: inline-flex;
}

.ugc-builder-footer #queue-cancel-btn:not([hidden])+#generate-btn {
  grid-column: auto;
}

.ugc-step {
  padding-bottom: 14px;
  margin-bottom: 14px;
  border-bottom: 1px solid var(--border);
}

.ugc-step:last-of-type {
  border-bottom: 0;
}

.ugc-step-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}

.ugc-step-head h2,
.ugc-videos-head h2,
.ugc-preview-head h1 {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0;
}

.compact-tabs {
  margin-bottom: 10px;
}

.ugc-reference-row,
.ugc-background-row {
  display: grid;
  grid-template-columns: repeat(auto-fill, 84px);
  gap: 10px;
  align-items: start;
  justify-content: start;
  overflow-x: hidden;
  padding-bottom: 0;
}

.ugc-reference-row .upload-item,
.ugc-reference-row .upload-add,
.ugc-background-row .upload-item,
.ugc-background-row .upload-add {
  width: 84px;
  height: 84px;
  flex: 0 0 auto;
  aspect-ratio: auto;
}

.ugc-product-row {
  display: grid;
  grid-template-columns: repeat(auto-fill, 84px);
  gap: 10px;
  align-items: start;
  justify-content: start;
  overflow-x: hidden;
}

.product-brief-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin-top: 12px;
}

.product-brief-grid .form-input {
  font-size: 13px;
}

.ugc-product-row .upload-item {
  width: 84px;
  height: 84px;
  flex: 0 0 auto;
  aspect-ratio: auto;
}

.ugc-upload-box {
  width: 84px;
  height: 84px;
  flex: 0 0 auto;
  gap: 5px;
}

.ugc-add-card {
  gap: 5px;
}

.ugc-add-card,
.ugc-upload-box {
  border-style: solid;
  border-color: var(--border);
  background: #fafafa;
}

.ugc-upload-box {
  border-style: dashed;
  border-color: var(--primary);
  background: #fbfdff;
}

.ugc-reference-row .upload-add,
.ugc-background-row .upload-add {
  border-style: dashed;
  border-color: var(--primary);
  background: #fbfdff;
}

.ugc-reference-row.library-mode .upload-item,
.ugc-product-row.library-mode .upload-item,
.ugc-background-row.library-mode .upload-item {
  width: 84px;
  height: 84px;
}

.library-mode .library-empty,
.library-mode .library-load-more-wrap {
  grid-column: 1 / -1;
}

.ugc-add-card:hover,
.ugc-upload-box:hover {
  border-color: var(--primary);
  background: #f7faff;
}

.ugc-add-card span,
.ugc-upload-box span {
  font-size: 11px;
  font-weight: 700;
  color: var(--primary);
}

.ugc-script-input {
  min-height: 72px;
  resize: vertical;
  line-height: 1.45;
}

.script-count {
  margin-top: 4px;
  color: var(--text-tertiary);
  font-size: 11px;
  text-align: right;
}

.ugc-settings-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: 20px;
  row-gap: 14px;
}

.ugc-output-grid {
  display: block;
}

.ugc-model-field {
  margin-bottom: 14px;
}

.ugc-model-native {
  display: none;
}

.ugc-output-controls {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  column-gap: 16px;
  row-gap: 14px;
}

.ugc-section-divider {
  height: var(--border-w);
  background: var(--border);
  margin: 2px 0 10px;
}

.hidden-create-fields,
.hidden-range,
.hidden-duration-value {
  display: none;
}

.ugc-advanced {
  margin-top: 4px;
  border-bottom: 0;
}

.ugc-advanced summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 38px;
  list-style: none;
  cursor: pointer;
  font-size: 13px;
  font-weight: 700;
}

.ugc-advanced summary::-webkit-details-marker {
  display: none;
}

.ugc-advanced summary i {
  color: var(--text-secondary);
}

.ugc-advanced[open] summary i {
  transform: rotate(180deg);
}

.ugc-advanced .prompt-preview {
  min-height: 180px;
  max-height: 260px;
}

.ugc-preview {
  min-width: 0;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  padding: 18px 28px;
  background: #fff;
  min-height: 0;
}

.ugc-preview-head {
  display: block;
  margin-bottom: 16px;
}

.ugc-preview-frame {
  width: 100%;
  height: 100%;
  min-height: 0;
  display: grid;
  place-items: center;
  padding-bottom: 0;
}

.ugc-preview .preview-empty {
  width: 100%;
  height: 100%;
  min-height: 0;
  aspect-ratio: 16 / 10;
  border: 0;
  border-radius: 0;
  background: transparent;
  padding: 24px;
  text-align: center;
  position: relative;
  overflow: hidden;
  display: grid;
  place-items: center;
  align-content: center;
  justify-items: center;
}

.ugc-preview .preview-empty i,
.ugc-preview .preview-empty span {
  display: block;
}

.ugc-preview #video-results {
  width: min(820px, 96%);
  max-height: 100%;
  overflow-y: auto;
  margin: 0 auto;
}

.ugc-preview .video-result {
  margin-bottom: 14px;
  border-radius: 8px;
}

.ugc-preview .video-result:last-child {
  margin-bottom: 0;
}

.ugc-preview .video-result-player {
  aspect-ratio: 9 / 16;
}

.ugc-preview .video-result {
  grid-template-columns: minmax(240px, 320px) minmax(220px, 1fr);
}

@media (max-width: 1200px) {

  .video-result,
  .ugc-preview .video-result {
    grid-template-columns: 1fr;
  }

  .video-result-side {
    border-left: 0;
    border-top: var(--border-w) solid var(--border);
  }
}

.ugc-videos {
  border-left: 1px solid var(--border);
  padding: 18px 14px;
  overflow-y: auto;
}

.ugc-videos-head {
  margin-bottom: 14px;
}

.ugc-videos .history-strip {
  gap: 10px;
}

.ugc-videos .history-empty {
  display: block;
  color: var(--text-tertiary);
  font-size: 13px;
  padding: 16px 0;
}

.ugc-video-card {
  display: grid;
  grid-template-columns: 58px 1fr;
  gap: 10px;
  padding: 8px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  cursor: pointer;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.ugc-video-card:hover {
  border-color: var(--primary);
}

.ugc-video-card.active {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(0, 85, 255, 0.08);
}

.ugc-video-thumb {
  width: 58px;
  height: 78px;
  border-radius: 6px;
  overflow: hidden;
  background: #222;
}

.ugc-video-thumb img,
.ugc-video-thumb video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.ugc-video-thumb .history-thumb-placeholder {
  height: 100%;
}

.ugc-video-info {
  min-width: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
}

.ugc-video-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.ugc-video-meta {
  color: var(--text-secondary);
  font-size: 12px;
}

.ugc-video-date {
  color: var(--text-tertiary);
  font-size: 11px;
}

.ugc-all-videos {
  width: 100%;
  margin-top: 14px;
  text-decoration: none;
}

.queue-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(17, 17, 17, 0.18);
  z-index: 180;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.18s;
}

.queue-backdrop.show {
  opacity: 1;
  pointer-events: auto;
}

.queue-panel {
  position: fixed;
  top: var(--topbar-height);
  right: 0;
  bottom: 0;
  width: 390px;
  max-width: calc(100vw - 24px);
  background: var(--bg);
  border-left: 1px solid var(--border);
  z-index: 190;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.18s ease;
}

.queue-panel.show {
  transform: translateX(0);
}

.queue-panel-head {
  padding: 18px 16px 14px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.queue-panel-head h2 {
  font-size: 16px;
  line-height: 1.2;
  margin-bottom: 4px;
}

.queue-panel-head p {
  color: var(--text-tertiary);
  font-size: 12px;
}

.icon-btn {
  width: 32px;
  height: 32px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg);
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.icon-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.queue-list {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.queue-empty {
  color: var(--text-tertiary);
  font-size: 13px;
  padding: 16px 4px;
}

.queue-item {
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  padding: 10px;
  display: grid;
  grid-template-columns: 58px 1fr auto;
  gap: 8px 10px;
}

.queue-item.editing {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(0, 85, 255, 0.08);
}

.queue-item.running {
  background: #fbfdff;
}

.queue-item-main {
  min-width: 0;
}

.queue-item-thumb {
  width: 58px;
  height: 78px;
  grid-row: 1 / span 2;
  border-radius: 6px;
  overflow: hidden;
  background: #222;
}

.queue-item-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.queue-thumb-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #555;
}

.queue-item-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.queue-item-meta,
.queue-item-error {
  margin-top: 4px;
  color: var(--text-tertiary);
  font-size: 12px;
  line-height: 1.35;
}

.queue-item-error {
  color: var(--danger);
}

.queue-item-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--text-secondary);
  font-size: 12px;
  font-weight: 600;
}

.queue-status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--text-tertiary);
}

.queue-status-dot.queued {
  background: #f59e0b;
}

.queue-status-dot.running {
  background: var(--primary);
}

.queue-status-dot.completed {
  background: #10b981;
}

.queue-status-dot.failed {
  background: var(--danger);
}

.queue-item-actions {
  grid-column: 2 / -1;
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 24px;
}

.queue-item-actions button {
  border: 0;
  background: transparent;
  padding: 0;
  color: var(--primary);
  font-family: inherit;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
}

.queue-item-actions button:hover {
  color: var(--primary-hover);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.queue-spinner {
  display: inline-flex;
  align-items: center;
}

.queue-panel-footer {
  border-top: 1px solid var(--border);
  padding: 12px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
}

.queue-panel-footer .btn {
  width: 100%;
}

.queue-panel-footer #batch-stop-btn:not([hidden]) {
  display: inline-flex;
}

@media (max-width: 1180px) {
  .ugc-page {
    grid-template-columns: 520px minmax(360px, 1fr);
  }

  .ugc-videos {
    display: none;
  }
}

@media (max-width: 860px) {
  .ugc-page {
    display: block;
    height: auto;
  }

  .ugc-builder,
  .ugc-preview {
    min-height: auto;
  }

  .ugc-settings-grid {
    grid-template-columns: 1fr 1fr;
  }

  .ugc-output-controls {
    grid-template-columns: 1fr 1fr;
  }
}

/* Apple-inspired light UI refresh */
:root {
  --primary: #007aff;
  --primary-hover: #0066d6;
  --bg: #ffffff;
  --bg-page: #f5f5f7;
  --surface: #f2f2f7;
  --surface-strong: #e9e9ee;
  --border: rgba(60, 60, 67, 0.16);
  --border-strong: rgba(60, 60, 67, 0.28);
  --text: #1d1d1f;
  --text-secondary: rgba(29, 29, 31, 0.68);
  --text-tertiary: rgba(60, 60, 67, 0.48);
  --radius: 12px;
  --radius-sm: 9px;
}

html,
body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Inter", "Segoe UI", sans-serif;
  background: var(--bg-page);
  color: var(--text);
}

.topbar {
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: saturate(180%) blur(18px);
  -webkit-backdrop-filter: saturate(180%) blur(18px);
  border-bottom-color: rgba(60, 60, 67, 0.12);
}

.topbar-brand-img {
  height: 34px;
}

.topbar-link {
  color: var(--text-secondary);
  font-weight: 600;
}

.topbar-link:hover,
.topbar-link:hover i {
  color: var(--text);
}

.topbar-link.active,
.topbar-link.active i {
  color: var(--primary);
}

.topbar-link.active::after {
  height: 3px;
  background: var(--primary);
}

.topbar-icon-btn,
.topbar-avatar,
.icon-btn {
  background: rgba(118, 118, 128, 0.12);
  border: 0;
}

.topbar-icon-btn:hover,
.icon-btn:hover {
  background: rgba(0, 122, 255, 0.1);
  color: var(--primary);
}

.ugc-page {
  background: var(--bg-page);
}

.ugc-builder,
.ugc-preview,
.ugc-videos,
.queue-panel {
  background: rgba(255, 255, 255, 0.92);
}

.ugc-builder,
.ugc-preview,
.ugc-videos {
  border-color: rgba(60, 60, 67, 0.14);
}

.ugc-step {
  border-bottom-color: rgba(60, 60, 67, 0.12);
}

.ugc-step-head h2,
.ugc-videos-head h2,
.ugc-preview-head h1,
.queue-panel-head h2 {
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
}

.form-label {
  color: var(--text-secondary);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.45px;
}

input.form-input,
textarea.form-input,
select.form-select,
.prompt-preview,
.model-selector {
  background-color: rgba(118, 118, 128, 0.09);
  border-color: transparent;
  border-radius: 10px;
  color: var(--text);
}

input.form-input:hover,
textarea.form-input:hover,
select.form-select:hover,
.prompt-editor:hover,
.model-selector:hover {
  background-color: rgba(118, 118, 128, 0.13);
  border-color: transparent;
}

input.form-input:focus,
textarea.form-input:focus,
select.form-select:focus,
.prompt-editor:focus,
.model-select-wrap.open .model-selector {
  background-color: #fff;
  border-color: rgba(0, 122, 255, 0.42);
  box-shadow: 0 0 0 4px rgba(0, 122, 255, 0.12);
}

.btn {
  border: 0;
  border-radius: 10px;
  font-weight: 700;
  letter-spacing: 0;
}

.btn-primary {
  background: var(--primary);
}

.btn-primary:hover:not(:disabled) {
  opacity: 1;
  background: var(--primary-hover);
}

.btn-secondary {
  background: rgba(118, 118, 128, 0.12);
  color: var(--text);
}

.btn-secondary:hover:not(:disabled) {
  background: rgba(118, 118, 128, 0.18);
}

.upload-add,
.ugc-add-card,
.ugc-upload-box {
  width: 84px;
  height: 84px;
  aspect-ratio: auto;
  gap: 5px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  border-style: dashed;
  border-color: rgba(0, 122, 255, 0.36);
  background: rgba(0, 122, 255, 0.04);
  border-radius: 11px;
}

.upload-add i,
.ugc-add-card i,
.ugc-upload-box i {
  font-size: 22px;
  color: var(--text-tertiary);
}

.upload-add span,
.ugc-add-card span,
.ugc-upload-box span {
  color: var(--primary);
  font-size: 11px;
  font-weight: 600;
  line-height: 1.2;
  text-align: center;
}

.upload-add:hover,
.ugc-add-card:hover,
.ugc-upload-box:hover {
  background: rgba(0, 122, 255, 0.08);
  border-color: var(--primary);
}

.ugc-reference-row .upload-add,
.ugc-product-row .upload-add,
.ugc-background-row .upload-add {
  border-color: rgba(0, 122, 255, 0.42);
  background: #f1f8ff;
}

.ugc-reference-row .upload-add:hover,
.ugc-product-row .upload-add:hover,
.ugc-background-row .upload-add:hover {
  border-color: var(--primary);
  background: #e8f3ff;
}

.upload-item,
.video-result,
.ugc-video-card,
.queue-item,
.video-card {
  border-color: rgba(60, 60, 67, 0.14);
  border-radius: 12px;
  background: #fff;
}

.video-result,
.queue-item,
.ugc-video-card,
.video-card {
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
}

.ugc-video-card:hover,
.queue-item.editing,
.ugc-video-card.active {
  border-color: rgba(0, 122, 255, 0.42);
  box-shadow: 0 0 0 4px rgba(0, 122, 255, 0.08);
}

.model-selector-icon,
.model-option img {
  background: #1c1c1e;
  border-radius: 9px;
}

.model-options,
.avatar-menu {
  border-color: rgba(60, 60, 67, 0.16);
  border-radius: 12px;
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.14);
}

.model-option {
  border-radius: 9px;
}

.model-option:hover,
.model-option.active {
  background: rgba(0, 122, 255, 0.08);
}

.queue-panel {
  box-shadow: -24px 0 54px rgba(0, 0, 0, 0.12);
}

.queue-backdrop {
  background: rgba(0, 0, 0, 0.16);
}

.queue-item.running {
  background: rgba(0, 122, 255, 0.05);
}

.queue-status-dot.running,
.status-dot.generating {
  background: var(--primary);
}

.status-dot.completed,
.queue-status-dot.completed {
  background: #34c759;
}

.queue-status-dot.queued {
  background: #ff9f0a;
}

.toast {
  border-radius: 12px;
  box-shadow: 0 16px 44px rgba(0, 0, 0, 0.18);
}

.library-switch,
.prompt-more-btn,
.queue-item-actions button,
.btn-text {
  color: var(--primary);
}

.library-switch:hover,
.prompt-more-btn:hover,
.queue-item-actions button:hover,
.btn-text:hover {
  color: var(--primary-hover);
}

.library-controls {
  margin: 10px 0 12px;
}

.library-search-wrap {
  background: rgba(118, 118, 128, 0.09);
  border: 0;
  border-radius: 10px;
}

.library-search {
  background: transparent;
  border: 0;
  color: var(--text);
  font-size: 13px;
}

.library-search:focus {
  box-shadow: none;
}

.library-search-wrap:focus-within {
  background: #fff;
  box-shadow: 0 0 0 4px rgba(0, 122, 255, 0.12);
}

.library-empty {
  color: var(--text-tertiary);
  background: rgba(118, 118, 128, 0.08);
  border-radius: 10px;
  padding: 14px;
}

.library-load-more {
  border: 0;
  border-radius: 10px;
  background: rgba(118, 118, 128, 0.12);
  color: var(--text);
  font-weight: 500;
}

.library-load-more:hover {
  background: rgba(118, 118, 128, 0.18);
  color: var(--text);
}

.library-delete-btn {
  background: rgba(28, 28, 30, 0.72);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.ugc-builder-footer .btn,
.queue-panel-footer .btn {
  font-size: 13px;
  font-weight: 500;
}

.ugc-all-videos,
.video-result-actions .btn,
.modal-actions .btn {
  font-size: 13px;
  font-weight: 500;
}

.queue-panel {
  background: #fff;
}

.page-history {
  padding: 28px;
  background: var(--bg-page);
}

.page-header {
  max-width: 1180px;
  margin: 0 auto 18px;
  padding: 0 2px;
}

.page-title {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.2px;
}

.search-input {
  width: 320px;
  height: 38px;
  background: rgba(118, 118, 128, 0.09);
  border: 0;
  border-radius: 10px;
  font-size: 13px;
  transition: background 0.15s, box-shadow 0.15s;
}

.search-input:hover {
  background: rgba(118, 118, 128, 0.13);
}

.search-input:focus {
  background: #fff;
  box-shadow: 0 0 0 4px rgba(0, 122, 255, 0.12);
}

.video-grid {
  max-width: 1180px;
  margin: 0 auto;
  grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
  gap: 16px;
}

.video-card {
  border: 0;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
  transition: background 0.15s, box-shadow 0.15s;
}

.video-card:hover {
  background: #fff;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.video-thumb {
  width: 100%;
  border: 0;
  padding: 0;
  background: #1c1c1e;
  aspect-ratio: 16 / 9;
  position: relative;
  cursor: pointer;
  overflow: hidden;
}

.video-thumb:disabled {
  cursor: default;
}

.video-thumb img,
.video-thumb video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  background: #000;
}

.video-thumb .play-icon {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 42px;
  height: 42px;
  background: rgba(255, 255, 255, 0.86);
  color: #1d1d1f;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.16);
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}

.video-thumb .status-badge {
  top: 10px;
  left: 10px;
  border-radius: 999px;
  padding: 4px 9px;
  font-size: 10px;
  font-weight: 700;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.status-badge.completed {
  background: rgba(52, 199, 89, 0.16);
  color: #137333;
}

.status-badge.generating,
.status-badge.pending {
  background: rgba(255, 159, 10, 0.18);
  color: #9a5a00;
}

.status-badge.failed {
  background: rgba(255, 59, 48, 0.14);
  color: #b42318;
}

.video-info {
  padding: 14px 14px 10px;
}

.video-title {
  color: var(--text);
  font-size: 14px;
  font-weight: 700;
  line-height: 1.25;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  margin-bottom: 6px;
}

.video-prompt {
  color: var(--text-secondary);
  font-size: 12px;
  line-height: 1.45;
  margin-bottom: 10px;
}

.video-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.video-date,
.video-meta-line {
  font-size: 11px;
  color: var(--text-tertiary);
  white-space: nowrap;
}

.video-meta-line {
  text-align: right;
}

.video-badges {
  display: none;
}

.badge {
  border: 0;
  background: rgba(118, 118, 128, 0.12);
  border-radius: 999px;
  font-weight: 600;
}

.video-actions {
  padding: 8px 14px 14px;
  justify-content: flex-start;
  gap: 8px;
  flex-wrap: wrap;
}

.video-actions .btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  min-height: 32px;
  padding: 0 10px;
  border: 0;
  border-radius: 9px;
  background: rgba(118, 118, 128, 0.12);
  font-size: 12px;
  font-weight: 500;
}

.video-actions .btn:hover {
  background: rgba(118, 118, 128, 0.17);
}

.video-actions .btn.danger-soft {
  color: var(--danger);
}

.empty-state {
  max-width: 1180px;
  margin: 0 auto;
  min-height: 420px;
  background: rgba(255, 255, 255, 0.72);
  border-radius: 16px;
}

.video-thumb-placeholder {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  color: rgba(255, 255, 255, 0.55);
  font-size: 34px;
}

.video-viewer-overlay {
  padding: 28px;
}

.video-viewer-modal {
  position: relative;
  width: min(920px, 94vw);
  max-height: min(680px, 86vh);
  display: grid;
  grid-template-columns: minmax(300px, 420px) minmax(300px, 1fr);
  gap: 0;
  overflow: hidden;
  border-radius: 18px;
  background: #fff;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.22);
}

.video-modal-close {
  position: absolute;
  top: 14px;
  right: 14px;
  z-index: 2;
  width: 34px;
  height: 34px;
  border: 0;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(118, 118, 128, 0.16);
  color: var(--text);
  cursor: pointer;
}

.video-viewer-player {
  min-height: 0;
  background: #000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
}

.video-viewer-player video {
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: min(680px, 86vh);
  object-fit: contain;
  background: #000;
}

.video-viewer-detail {
  min-height: 0;
  padding: 24px;
  overflow-y: auto;
  border-left: 1px solid rgba(60, 60, 67, 0.12);
}

.history-status-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
  color: var(--text-secondary);
  font-size: 13px;
}

.history-status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #8e8e93;
}

.history-status-dot.completed {
  background: #34c759;
}

.history-status-dot.generating,
.history-status-dot.pending {
  background: #ff9f0a;
}

.history-status-dot.failed {
  background: #ff3b30;
}

.video-viewer-detail h2 {
  margin: 0 40px 10px 0;
  color: var(--text);
  font-size: 20px;
  font-weight: 650;
  letter-spacing: 0;
}

.video-viewer-prompt-wrap {
  margin: 0 0 18px;
}

.video-viewer-prompt {
  margin: 0;
  color: var(--text-secondary);
  font-size: 13px;
  line-height: 1.55;
  white-space: pre-wrap;
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.video-viewer-prompt-wrap.expanded .video-viewer-prompt {
  display: block;
  overflow: visible;
}

.history-detail-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px 16px;
}

.history-detail-grid div {
  display: grid;
  gap: 4px;
}

.history-detail-grid span {
  color: var(--text-tertiary);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.history-detail-grid strong {
  color: var(--text);
  font-size: 13px;
  font-weight: 500;
  word-break: break-word;
}

.video-viewer-actions {
  margin-top: 22px;
  padding-top: 16px;
  border-top: 1px solid rgba(60, 60, 67, 0.12);
  display: flex;
  gap: 10px;
}

.video-viewer-actions .btn {
  min-height: 36px;
  border: 0;
  background: rgba(118, 118, 128, 0.12);
  border-radius: 10px;
  font-size: 12px;
  font-weight: 500;
}

@media (max-width: 860px) {
  .video-viewer-modal {
    grid-template-columns: 1fr;
    overflow-y: auto;
  }

  .video-viewer-player video {
    max-height: 58vh;
  }

  .video-viewer-detail {
    border-left: 0;
    border-top: 1px solid rgba(60, 60, 67, 0.12);
  }
}

.modal {
  border: 0;
  border-radius: 16px;
  box-shadow: 0 22px 64px rgba(0, 0, 0, 0.18);
}

.dummy-page {
  grid-template-columns: 420px minmax(520px, 1fr) 300px;
}

.dummy-page .ugc-builder-scroll {
  padding-left: 18px;
  padding-right: 18px;
}

.dummy-page .ugc-preview {
  padding-left: 20px;
  padding-right: 20px;
}

.dummy-page #dummy-preview {
  width: min(820px, 98%);
  max-height: 100%;
  overflow-y: auto;
  margin: 0 auto;
}

.dummy-page #dummy-preview .video-result {
  grid-template-columns: minmax(230px, 310px) minmax(220px, 1fr);
  margin-bottom: 0;
}

.dummy-page #dummy-preview .video-result-player {
  aspect-ratio: 9 / 16;
}

.history-count {
  margin: 4px 0 0;
  color: var(--text-tertiary);
  font-size: 12px;
}

.history-toast {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 1000;
  padding: 10px 14px;
  border-radius: 12px;
  background: rgba(28, 28, 30, 0.92);
  color: #fff;
  font-size: 13px;
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px);
  transition: opacity 0.16s, transform 0.16s;
}

.history-toast.show {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1480px) {
  .dummy-page {
    grid-template-columns: 390px minmax(480px, 1fr) 280px;
  }
}