/* H.de.video Workbench V4
   A scoped, reversible presentation layer. Existing feature styles remain as
   fallbacks, while every app-shell rule is namespaced to avoid cascade leaks. */

html {
  background: #0b0f14;
}

body.workbench-v4 {
  --bg: #0b0f14;
  --panel: #0f151c;
  --panel-2: #151d26;
  --panel-3: #1a232d;
  --ink: #f1f5f7;
  --text: #f1f5f7;
  --text2: #a6b0ba;
  --muted: #758391;
  --weak: #667380;
  --line: rgba(255, 255, 255, 0.075);
  --line-strong: rgba(255, 255, 255, 0.15);
  --accent: #70d7c2;
  --accent-strong: #59c6b0;
  --accent-soft: rgba(112, 215, 194, 0.11);
  --green: #62c982;
  --green-soft: rgba(98, 201, 130, 0.12);
  --amber: #e6b45c;
  --amber-soft: rgba(230, 180, 92, 0.12);
  --red: #ef6b73;
  --red-soft: rgba(239, 107, 115, 0.12);
  --sky: #78a9e6;
  --sky-soft: rgba(120, 169, 230, 0.12);
  --radius: 10px;
  --shadow: 0 18px 44px rgba(0, 0, 0, 0.28);
  min-width: 900px;
  min-height: 640px;
  margin: 0;
  overflow: hidden;
  color: var(--ink);
  background:
    radial-gradient(900px 360px at 8% -18%, rgba(112, 215, 194, 0.055), transparent 62%),
    var(--bg);
  font-family: "Segoe UI Variable Text", "Segoe UI", "Microsoft YaHei UI", system-ui, sans-serif;
  font-size: 14px;
  line-height: 1.45;
  color-scheme: dark;
}

.workbench-v4 *,
.workbench-v4 *::before,
.workbench-v4 *::after {
  box-sizing: border-box;
}

.workbench-v4 button,
.workbench-v4 input,
.workbench-v4 select {
  font: inherit;
}

.workbench-v4 button:focus-visible,
.workbench-v4 input:focus-visible,
.workbench-v4 select:focus-visible,
.workbench-v4 summary:focus-visible {
  outline: 2px solid rgba(112, 215, 194, 0.74);
  outline-offset: 2px;
}

.workbench-v4 .hidden {
  display: none !important;
}

/* App chrome */
.workbench-v4 .topbar {
  position: relative;
  z-index: 20;
  flex: 0 0 60px;
  height: 60px;
  display: flex;
  align-items: center;
  padding: 0 0 0 18px;
  border: 0;
  border-bottom: 1px solid var(--line);
  background: #0f151c;
  box-shadow: none;
  backdrop-filter: none;
}

.workbench-v4 .brand {
  display: flex;
  align-items: center;
  gap: 11px;
  min-width: 190px;
}

.workbench-v4 .brand-mark {
  width: 38px;
  height: 38px;
  flex: 0 0 38px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  color: #0b332d;
  background: var(--accent);
  box-shadow: none;
}

.workbench-v4 .brand-mark svg {
  width: 20px;
  height: 20px;
  stroke-width: 1.8;
}

.workbench-v4 .brand-copy h1 {
  margin: 0;
  color: var(--ink);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: 0.01em;
  background: none;
  -webkit-text-fill-color: currentColor;
}

.workbench-v4 .brand-copy p {
  margin: 3px 0 0;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.2;
}

.workbench-v4 .topbar-drag-spacer {
  flex: 1 1 auto;
  align-self: stretch;
}

.workbench-v4 .top-actions,
.workbench-v4 .win-ctrl {
  display: flex;
  align-items: center;
  align-self: stretch;
}

.workbench-v4 .win-ctrl {
  margin-right: 0;
}

.workbench-v4 .win-btn {
  width: 46px;
  height: 100%;
  display: grid;
  place-items: center;
  padding: 0;
  border: 0;
  border-left: 1px solid rgba(255, 255, 255, 0.045);
  border-radius: 0;
  color: #7c8996;
  background: transparent;
  cursor: pointer;
  transition: color 90ms ease, background 90ms ease;
}

.workbench-v4 .win-btn:hover {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.055);
}

.workbench-v4 .win-btn.win-close:hover {
  color: #fff;
  background: #c9444f;
}

.workbench-v4 .win-btn svg {
  width: 15px;
  height: 15px;
  stroke-width: 1.7;
}

/* Two-column workbench */
.workbench-v4 .workspace {
  flex: 1 1 auto;
  min-width: 0;
  min-height: 0;
  display: grid;
  grid-template-columns: clamp(370px, 25vw, 430px) minmax(0, 1fr);
  gap: 16px;
  padding: 16px;
  overflow: hidden;
}

.workbench-v4 .sidebar,
.workbench-v4 .jobs-panel,
.workbench-v4 .folder-results {
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: none;
}

.workbench-v4 .sidebar {
  width: auto;
  height: 100%;
  min-height: 0;
  display: flex;
  flex-direction: column;
  padding: 0;
  overflow: hidden;
  border-radius: 12px;
}

.workbench-v4 .sidebar-scroll {
  flex: 1 1 auto;
  min-height: 0;
  display: flex;
  flex-direction: column;
  gap: 0;
  padding: 20px 20px 16px;
  overflow-x: hidden;
  overflow-y: auto;
  scrollbar-gutter: stable;
}

.workbench-v4 .sidebar-scroll::-webkit-scrollbar,
.workbench-v4 .job-list::-webkit-scrollbar,
.workbench-v4 .folder-list::-webkit-scrollbar {
  width: 5px;
  height: 5px;
}

.workbench-v4 .sidebar-scroll::-webkit-scrollbar-track,
.workbench-v4 .job-list::-webkit-scrollbar-track,
.workbench-v4 .folder-list::-webkit-scrollbar-track {
  background: transparent;
}

.workbench-v4 .sidebar-scroll::-webkit-scrollbar-thumb,
.workbench-v4 .job-list::-webkit-scrollbar-thumb,
.workbench-v4 .folder-list::-webkit-scrollbar-thumb {
  border-radius: 99px;
  background: rgba(255, 255, 255, 0.14);
}

.workbench-v4 .content {
  min-width: 0;
  min-height: 0;
  height: 100%;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 0;
  overflow: hidden;
}

.workbench-v4 .settings-panel {
  display: flex;
  flex-direction: column;
}

.workbench-v4 .control-block {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 0;
  padding: 0 0 22px;
  border: 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.055);
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.workbench-v4 .settings-panel > .control-block,
.workbench-v4 .settings-panel > .advanced {
  margin-top: 22px;
}

.workbench-v4 .block-head {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  color: var(--ink);
  font-size: 14px;
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: 0;
  text-transform: none;
}

.workbench-v4 .block-head svg {
  width: 16px;
  height: 16px;
  flex: 0 0 16px;
  color: var(--accent);
  stroke-width: 1.8;
}

.workbench-v4 .sub-head {
  margin: 8px 0 0;
  color: var(--text2);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0;
  text-transform: none;
}

.workbench-v4 .hint {
  margin: 0;
  color: var(--muted);
  font-size: 11.5px;
  line-height: 1.6;
}

/* Controls */
.workbench-v4 .segmented {
  display: flex;
  gap: 4px;
  padding: 4px;
  overflow: visible;
  border: 0;
  border-radius: 10px;
  background: #111922;
}

.workbench-v4 .segmented button {
  min-width: 0;
  height: 36px;
  flex: 1 1 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 0 10px;
  border: 1px solid transparent;
  border-radius: 7px;
  color: var(--muted);
  background: transparent;
  cursor: pointer;
  font-size: 12px;
  font-weight: 500;
  white-space: nowrap;
  transition: color 120ms ease, background 120ms ease, border-color 120ms ease;
}

.workbench-v4 .segmented button span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.workbench-v4 .segmented-three button {
  gap: 5px;
  padding: 0 6px;
  font-size: 11px;
}

.workbench-v4 .segmented button:hover:not(.active) {
  color: var(--text2);
  background: rgba(255, 255, 255, 0.035);
}

.workbench-v4 .segmented button.active {
  color: #dff8f3;
  border-color: rgba(112, 215, 194, 0.16);
  background: rgba(112, 215, 194, 0.12);
  box-shadow: none;
}

.workbench-v4 .segmented button svg {
  width: 15px;
  height: 15px;
  flex: 0 0 15px;
  color: currentColor;
  stroke-width: 1.8;
}

.workbench-v4 .source-pane,
.workbench-v4 #folderPane,
.workbench-v4 #urlPane {
  margin-top: 2px;
}

.workbench-v4 .dropzone {
  width: 100%;
  min-height: 112px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  padding: 14px;
  border: 1px dashed rgba(255, 255, 255, 0.15);
  border-radius: 10px;
  color: var(--text2);
  background: var(--panel-2);
  cursor: pointer;
  appearance: none;
  transition: border-color 140ms ease, background 140ms ease, transform 140ms ease;
}

.workbench-v4 .dropzone:hover,
.workbench-v4 .dropzone.dragover {
  border-color: rgba(112, 215, 194, 0.56);
  background: rgba(112, 215, 194, 0.075);
}

.workbench-v4 .dropzone.dragover {
  transform: translateY(-1px);
}

.workbench-v4 .drop-icon {
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  margin-bottom: 3px;
  border-radius: 9px;
  color: var(--accent);
  background: rgba(112, 215, 194, 0.1);
}

.workbench-v4 .drop-icon svg {
  width: 17px;
  height: 17px;
}

.workbench-v4 .drop-main {
  color: var(--ink);
  font-size: 13px;
  font-weight: 600;
}

.workbench-v4 .drop-sub {
  color: var(--muted);
  font-size: 11px;
}

.workbench-v4 input[type="text"],
.workbench-v4 input[type="url"],
.workbench-v4 select {
  min-width: 0;
  height: 38px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  background: var(--panel-2);
  box-shadow: none;
  outline: none;
}

.workbench-v4 input[type="text"],
.workbench-v4 input[type="url"] {
  padding: 0 11px;
}

.workbench-v4 select {
  padding: 0 32px 0 11px;
}

.workbench-v4 input::placeholder {
  color: #65727f;
}

.workbench-v4 input:focus,
.workbench-v4 select:focus,
.workbench-v4 .url-field:focus-within,
.workbench-v4 .folder-row:focus-within {
  border-color: rgba(112, 215, 194, 0.44);
}

.workbench-v4 .url-field,
.workbench-v4 .folder-row {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: var(--panel-2);
}

.workbench-v4 .url-field > svg,
.workbench-v4 .folder-row > svg {
  width: 15px;
  height: 15px;
  flex: 0 0 15px;
  margin-left: 7px;
  color: var(--muted);
}

.workbench-v4 .url-field input,
.workbench-v4 .folder-row input {
  flex: 1 1 auto;
  height: 30px;
  padding: 0 4px;
  border: 0;
  background: transparent;
}

.workbench-v4 .small-btn,
.workbench-v4 .ghost-btn,
.workbench-v4 .icon-btn {
  border: 1px solid var(--line);
  color: var(--text2);
  background: transparent;
  box-shadow: none;
  cursor: pointer;
  transition: color 100ms ease, background 100ms ease, border-color 100ms ease;
}

.workbench-v4 .small-btn {
  min-height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 0 11px;
  border-radius: 7px;
  font-size: 11.5px;
  white-space: nowrap;
}

.workbench-v4 .ghost-btn {
  min-height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 0 11px;
  border-radius: 8px;
  font-size: 12px;
}

.workbench-v4 .small-btn:hover,
.workbench-v4 .ghost-btn:hover,
.workbench-v4 .icon-btn:hover {
  color: var(--ink);
  border-color: var(--line-strong);
  background: rgba(255, 255, 255, 0.045);
}

.workbench-v4 .small-btn svg,
.workbench-v4 .ghost-btn svg {
  width: 15px;
  height: 15px;
}

.workbench-v4 button:disabled {
  cursor: not-allowed;
  opacity: 0.48;
}

.workbench-v4 .clear-input-btn {
  width: 28px;
  height: 28px;
  flex: 0 0 28px;
  display: grid;
  place-items: center;
  padding: 0;
  border: 0;
  border-radius: 7px;
  color: var(--weak);
  background: transparent;
  cursor: pointer;
}

.workbench-v4 .clear-input-btn:hover {
  color: var(--red);
  background: var(--red-soft);
}

.workbench-v4 .clear-input-btn svg {
  width: 14px;
  height: 14px;
}

.workbench-v4 .folder-pick-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 2px 0 0;
}

.workbench-v4 .folder-pick-row #folderPathLabel {
  flex: 1 1 auto;
  min-width: 0;
  overflow: hidden;
  color: var(--muted);
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Progressive setup */
.workbench-v4 .setup-empty {
  display: flex;
  align-items: center;
  gap: 11px;
  margin-top: 20px;
  padding: 14px;
  border: 1px solid rgba(255, 255, 255, 0.055);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.018);
}

.workbench-v4 .setup-empty-icon {
  width: 32px;
  height: 32px;
  flex: 0 0 32px;
  display: grid;
  place-items: center;
  border-radius: 9px;
  color: var(--accent);
  background: var(--accent-soft);
}

.workbench-v4 .setup-empty-icon svg {
  width: 16px;
  height: 16px;
}

.workbench-v4 .setup-empty > div > strong,
.workbench-v4 .setup-empty > div > span {
  display: block;
}

.workbench-v4 .setup-empty strong {
  color: var(--text2);
  font-size: 12px;
  font-weight: 600;
}

.workbench-v4 .setup-empty div > span {
  margin-top: 2px;
  color: var(--muted);
  font-size: 11px;
}

.workbench-v4 .inspect-block {
  min-height: 82px;
  flex-direction: row;
  align-items: center;
  gap: 11px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--panel-2);
}

.workbench-v4 .inspect-icon {
  width: 34px;
  height: 34px;
  flex: 0 0 34px;
  display: grid;
  place-items: center;
  border-radius: 9px;
  color: var(--accent);
  background: var(--accent-soft);
}

.workbench-v4 .inspect-block > div > strong,
.workbench-v4 .inspect-block > div > span {
  display: block;
}

.workbench-v4 .inspect-block strong {
  font-size: 13px;
  font-weight: 600;
}

.workbench-v4 .inspect-block div > span {
  margin-top: 3px;
  color: var(--muted);
  font-size: 11.5px;
}

/* Presets and contextual params */
.workbench-v4 .preset-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 7px;
}

.workbench-v4 .preset-chip {
  position: relative;
  min-height: 46px;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--text2);
  background: var(--panel-2);
  cursor: pointer;
  text-align: left;
  transition: color 120ms ease, background 120ms ease, border-color 120ms ease, transform 120ms ease;
}

.workbench-v4 .preset-chip:hover {
  color: var(--ink);
  border-color: var(--line-strong);
  transform: translateY(-1px);
}

.workbench-v4 .preset-chip.active {
  color: #dff8f3;
  border-color: rgba(112, 215, 194, 0.2);
  background: rgba(112, 215, 194, 0.11);
  box-shadow: none;
}

.workbench-v4 .preset-chip[data-preset="more"] {
  grid-column: 1 / -1;
  min-height: 36px;
  justify-content: center;
  color: var(--muted);
  background: transparent;
}

.workbench-v4 .preset-label {
  font-size: 12px;
  font-weight: 600;
}

.workbench-v4 .preset-badge {
  position: absolute;
  top: 5px;
  right: 6px;
  padding: 1px 5px;
  border-radius: 99px;
  color: var(--accent);
  background: rgba(112, 215, 194, 0.1);
  font-size: 9px;
  font-weight: 600;
}

.workbench-v4 .format-more {
  margin-top: 1px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: #111922;
}

.workbench-v4 .format-group + .format-group {
  margin-top: 13px;
}

.workbench-v4 .format-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 6px;
}

.workbench-v4 .format-chip {
  min-width: 0;
  min-height: 42px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1px;
  padding: 5px;
  border: 1px solid var(--line);
  border-radius: 7px;
  color: var(--text2);
  background: var(--panel-2);
  cursor: pointer;
}

.workbench-v4 .format-chip:hover,
.workbench-v4 .format-chip.active {
  border-color: rgba(112, 215, 194, 0.2);
  background: var(--accent-soft);
}

.workbench-v4 .format-chip.active .chip-ext {
  color: var(--accent);
}

.workbench-v4 .chip-ext {
  overflow: hidden;
  max-width: 100%;
  font-size: 11.5px;
  font-weight: 600;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.workbench-v4 .chip-type {
  color: var(--muted);
  font-size: 9.5px;
}

.workbench-v4 #basicParams {
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.workbench-v4 .field-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.workbench-v4 #basicParamGrid .field:first-child,
.workbench-v4 #basicParamGrid #speedField {
  grid-column: 1 / -1;
}

.workbench-v4 .field {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.workbench-v4 .field > label,
.workbench-v4 .crf-label label {
  color: var(--muted);
  font-size: 11px;
}

.workbench-v4 .quality-seg {
  min-height: 38px;
}

.workbench-v4 .quality-seg button {
  height: 30px;
  padding: 0 7px;
  font-size: 11px;
}

.workbench-v4 .crf-field {
  margin-top: 10px;
}

.workbench-v4 .crf-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.workbench-v4 #crfValue {
  color: var(--accent);
  font-size: 11px;
  font-variant-numeric: tabular-nums;
}

.workbench-v4 input[type="range"] {
  width: 100%;
  accent-color: var(--accent);
}

.workbench-v4 .check-label {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--text2);
  font-size: 12px;
  cursor: pointer;
}

.workbench-v4 input[type="checkbox"] {
  accent-color: var(--accent);
}

/* Output and advanced */
.workbench-v4 .row-actions {
  display: flex;
  margin-top: 0;
}

.workbench-v4 .advanced {
  padding: 0 0 20px;
  border: 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.055);
  border-radius: 0;
  background: transparent;
}

.workbench-v4 .advanced > summary {
  min-height: 36px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0;
  border: 0;
  color: var(--text2);
  background: transparent;
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  list-style: none;
}

.workbench-v4 .advanced > summary::after {
  content: "";
  width: 7px;
  height: 7px;
  margin-left: auto;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg) translateY(-2px);
  transition: transform 160ms ease;
}

.workbench-v4 .advanced[open] > summary::after {
  transform: rotate(225deg) translate(-1px, -1px);
}

.workbench-v4 .advanced > summary::-webkit-details-marker {
  display: none;
}

.workbench-v4 .advanced > summary svg {
  width: 16px;
  height: 16px;
  color: var(--muted);
}

.workbench-v4 .advanced-body {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 10px 0 0;
}

.workbench-v4 .advanced-params {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 0;
  padding: 0 0 12px;
  border-bottom: 1px solid var(--line);
}

.workbench-v4 .engine-row {
  min-height: 34px;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text2);
  font-size: 11.5px;
}

.workbench-v4 .dot {
  width: 7px;
  height: 7px;
  flex: 0 0 7px;
  border-radius: 50%;
  background: var(--red);
}

.workbench-v4 .dot.ok {
  background: var(--green);
  box-shadow: 0 0 0 4px rgba(98, 201, 130, 0.08);
}

.workbench-v4 .tips-box {
  padding: 11px 12px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: var(--panel-2);
}

.workbench-v4 .tips-title {
  display: flex;
  align-items: center;
  gap: 7px;
  margin-bottom: 5px;
  color: var(--text2);
  font-size: 11.5px;
  font-weight: 600;
}

.workbench-v4 .tips-box ul {
  margin: 0;
  padding-left: 17px;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.65;
}

/* Cookie manager */
.workbench-v4 .cookie-row {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-top: 8px;
  padding: 8px 9px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: rgba(255, 255, 255, 0.022);
}

.workbench-v4 .cookie-status-line {
  min-width: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 5px 10px;
}

.workbench-v4 .cookie-status {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: var(--muted);
  font-size: 10.5px;
}

.workbench-v4 .cookie-status.configured {
  color: var(--accent);
}

.workbench-v4 .cookie-status svg {
  width: 12px;
  height: 12px;
}

.workbench-v4 .cookie-manage {
  position: relative;
}

.workbench-v4 .cookie-menu {
  position: absolute;
  z-index: 40;
  top: calc(100% + 8px);
  right: 0;
  width: 300px;
  padding: 13px;
  border: 1px solid var(--line-strong);
  border-radius: 11px;
  background: #17202a;
  box-shadow: var(--shadow);
}

.workbench-v4 .cookie-menu-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

/* Fixed action bar */
.workbench-v4 .sidebar-footer {
  flex: 0 0 auto;
  display: flex;
  flex-direction: column;
  gap: 9px;
  padding: 12px 20px 16px;
  border-top: 1px solid var(--line);
  background: #111820;
}

.workbench-v4 .footer-summary {
  min-height: 18px;
  display: flex;
  align-items: center;
  gap: 7px;
  overflow: hidden;
  color: var(--muted);
  font-size: 11px;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.workbench-v4 .footer-summary svg {
  width: 14px;
  height: 14px;
  flex: 0 0 14px;
  color: var(--weak);
}

.workbench-v4 .primary {
  width: 100%;
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin: 0;
  padding: 0 16px;
  border: 0;
  border-radius: 9px;
  color: #0a2c27;
  background: var(--accent);
  box-shadow: none;
  cursor: pointer;
  font-size: 13px;
  font-weight: 650;
  transition: background 100ms ease, transform 100ms ease;
}

.workbench-v4 .primary:hover:not(:disabled) {
  background: #7be0cd;
  transform: translateY(-1px);
}

.workbench-v4 .primary:active:not(:disabled) {
  transform: translateY(0);
}

.workbench-v4 .primary:disabled {
  color: #697681;
  background: #19222b;
  opacity: 1;
}

.workbench-v4 .primary svg {
  width: 16px;
  height: 16px;
}

/* Queue workspace */
.workbench-v4 .jobs-panel {
  flex: 1 1 auto;
  min-height: 0;
  height: auto;
  display: flex;
  flex-direction: column;
  margin: 0;
  overflow: hidden;
  border-radius: 12px;
}

.workbench-v4 .panel-head {
  min-height: 56px;
  flex: 0 0 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin: 0;
  padding: 0 16px;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.01);
}

.workbench-v4 .head-title {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 8px;
}

.workbench-v4 .head-title svg {
  width: 17px;
  height: 17px;
  color: var(--accent);
}

.workbench-v4 .head-title h2 {
  margin: 0;
  color: var(--ink);
  font-size: 14px;
  font-weight: 600;
}

.workbench-v4 .count {
  min-width: 21px;
  height: 20px;
  display: inline-grid;
  place-items: center;
  padding: 0 6px;
  border: 1px solid var(--line);
  border-radius: 99px;
  color: var(--muted);
  background: var(--panel-2);
  font-size: 10.5px;
  font-variant-numeric: tabular-nums;
}

.workbench-v4 .head-tools {
  min-width: 0;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  flex-wrap: nowrap;
}

.workbench-v4 .filter-tabs {
  display: flex;
  gap: 2px;
  padding: 3px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #0d131a;
}

.workbench-v4 .filter-tab {
  height: 28px;
  padding: 0 9px;
  border: 0;
  border-radius: 6px;
  color: var(--muted);
  background: transparent;
  cursor: pointer;
  font-size: 11px;
}

.workbench-v4 .filter-tab:hover {
  color: var(--text2);
}

.workbench-v4 .filter-tab.active {
  color: var(--ink);
  background: var(--panel-2);
  font-weight: 600;
}

.workbench-v4 .stat-pills {
  display: flex;
  gap: 5px;
}

.workbench-v4 .stat-pill,
.workbench-v4 .pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 99px;
  font-size: 10px;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.workbench-v4 .stat-pill {
  min-height: 22px;
  padding: 0 8px;
  color: var(--muted);
  background: transparent;
}

.workbench-v4 .stat-pill.active,
.workbench-v4 .stat-pill.pending {
  color: var(--accent);
  background: var(--accent-soft);
}

.workbench-v4 .stat-pill.done {
  color: var(--green);
  background: var(--green-soft);
}

.workbench-v4 .stat-pill.error {
  color: var(--red);
  background: var(--red-soft);
}

.workbench-v4 .job-list {
  position: relative;
  flex: 1 1 auto;
  min-height: 0;
  display: flex;
  flex-direction: column;
  gap: 7px;
  padding: 12px;
  overflow-x: hidden;
  overflow-y: auto;
}

.workbench-v4 .job-list > .empty {
  flex: 1 1 auto;
  min-height: 320px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 18px 6%;
}

.workbench-v4 .empty-inner {
  max-width: 360px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.workbench-v4 .empty-hero {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  color: #5f6d7b;
}

.workbench-v4 .empty-hero svg {
  width: 34px;
  height: 34px;
  margin: 0;
  opacity: 0.78;
  stroke-width: 1.5;
}

.workbench-v4 .empty-title {
  margin-top: 11px;
  color: #dce3e8;
  font-size: 15px;
  font-weight: 600;
}

.workbench-v4 .empty-inner > .hint {
  margin-top: 5px;
  color: var(--muted);
  font-size: 12px;
}

.workbench-v4 .empty-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 15px;
}

.workbench-v4 .empty-actions .small-btn {
  height: 36px;
  padding: 0 13px;
  font-size: 12px;
}

.workbench-v4 .empty-actions .small-btn svg {
  width: 15px !important;
  height: 15px !important;
  flex: 0 0 15px;
  margin: 0;
  opacity: 1;
}

.workbench-v4 .empty-actions .empty-primary {
  color: #0b302a;
  border-color: transparent;
  background: var(--accent);
  font-weight: 600;
}

.workbench-v4 .empty-actions .empty-primary:hover {
  color: #0b302a;
  background: #7be0cd;
}

.workbench-v4 .jobs-panel.dragover {
  outline: 2px dashed rgba(112, 215, 194, 0.72);
  outline-offset: -7px;
  background: rgba(112, 215, 194, 0.025);
}

/* Queue rows */
.workbench-v4 .job {
  width: min(100%, 1560px);
  min-height: 66px;
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr) auto;
  align-items: center;
  gap: 11px;
  margin: 0 auto;
  padding: 9px 10px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.018);
  cursor: default;
  transition: border-color 110ms ease, background 110ms ease, transform 110ms ease;
}

.workbench-v4 .job:hover,
.workbench-v4 .job.selected {
  border-color: var(--line-strong);
  background: rgba(255, 255, 255, 0.035);
}

.workbench-v4 .job.pending {
  border-style: solid;
  background: rgba(112, 215, 194, 0.025);
}

.workbench-v4 .job-thumb {
  position: relative;
  width: 48px;
  height: 34px;
  display: grid;
  place-items: center;
  overflow: hidden;
  border-radius: 7px;
  color: var(--muted);
  background: var(--panel-3);
}

.workbench-v4 .job-thumb > svg {
  width: 17px;
  height: 17px;
}

.workbench-v4 .job-thumb img,
.workbench-v4 .job-hover-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.workbench-v4 .job-main {
  min-width: 0;
}

.workbench-v4 .job-top {
  display: flex;
  align-items: center;
  gap: 9px;
}

.workbench-v4 .job-name {
  min-width: 0;
  flex: 1 1 auto;
  overflow: hidden;
  color: var(--ink);
  font-size: 12.5px;
  font-weight: 600;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.workbench-v4 .job-sub,
.workbench-v4 .job-path {
  margin-top: 3px;
  overflow: hidden;
  color: var(--muted);
  font-size: 10.5px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.workbench-v4 .job-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-top: 5px;
}

.workbench-v4 .job-meta span {
  color: var(--muted);
  font-size: 10px;
}

.workbench-v4 .pill {
  min-height: 21px;
  padding: 0 7px;
  color: var(--muted);
  background: var(--panel-2);
}

.workbench-v4 .pill.converting,
.workbench-v4 .pill.downloading,
.workbench-v4 .pill.probing,
.workbench-v4 .pill.queued {
  color: var(--accent);
  background: var(--accent-soft);
}

.workbench-v4 .pill.done {
  color: var(--green);
  background: var(--green-soft);
}

.workbench-v4 .pill.error {
  color: var(--red);
  background: var(--red-soft);
}

.workbench-v4 .pill.cancelled {
  color: var(--muted);
  background: var(--panel-2);
  opacity: 0.85;
}

.workbench-v4 .icon-btn.cancel:hover {
  color: var(--red);
  border-color: var(--red);
}

.workbench-v4 .format-tip {
  white-space: pre-line;
}

.workbench-v4 .job-actions {
  display: flex;
  align-items: center;
  gap: 5px;
}

.workbench-v4 .icon-btn {
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  padding: 0;
  border-radius: 7px;
}

.workbench-v4 .icon-btn svg {
  width: 14px;
  height: 14px;
}

.workbench-v4 .progress {
  height: 3px;
  margin-top: 7px;
  overflow: hidden;
  border: 0;
  border-radius: 99px;
  background: rgba(255, 255, 255, 0.07);
}

.workbench-v4 .progress i {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: var(--accent);
  transition: width 180ms linear;
}

.workbench-v4 .job-error {
  margin-top: 6px;
  color: var(--red);
  font-size: 10.5px;
}

/* Folder scan panel */
.workbench-v4 .folder-results {
  flex: 0 1 auto;
  max-height: 34%;
  margin: 0;
  padding: 12px 14px;
  overflow: hidden;
  border-radius: 11px;
}

.workbench-v4 .folder-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.workbench-v4 .folder-head h3 {
  margin: 0;
  color: var(--ink);
  font-size: 12px;
}

.workbench-v4 .folder-path {
  max-width: 58vw;
  margin-top: 3px;
  overflow: hidden;
  color: var(--muted);
  font-size: 10.5px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.workbench-v4 .folder-list {
  max-height: 220px;
  margin-top: 9px;
  overflow-y: auto;
}

.workbench-v4 .folder-item {
  min-height: 40px;
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 6px 0;
  border-bottom: 1px solid var(--line);
}

.workbench-v4 .folder-item-main {
  flex: 1 1 auto;
  min-width: 0;
}

.workbench-v4 .folder-item-name,
.workbench-v4 .folder-item-sub {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.workbench-v4 .folder-item-name {
  color: var(--text2);
  font-size: 11.5px;
}

.workbench-v4 .folder-item-sub {
  color: var(--muted);
  font-size: 10px;
}

.workbench-v4 .folder-status {
  color: var(--muted);
  font-size: 10px;
}

/* LUT workspace */
.workbench-v4 .preview-player-wrap {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: #070b0f;
}

.workbench-v4 .preview-player-wrap video {
  width: 100%;
  display: block;
}

.workbench-v4 .preview-meta {
  color: var(--muted);
  font-size: 11px;
}

.workbench-v4 .preview-actions {
  display: flex;
}

.workbench-v4 #lutNotice {
  display: flex;
  gap: 7px;
  padding: 9px 10px;
  border-radius: 8px;
  color: var(--text2);
  background: rgba(112, 215, 194, 0.055);
}

.workbench-v4 #lutNotice svg {
  width: 14px;
  height: 14px;
  flex: 0 0 14px;
}

/* Popovers and feedback */
.workbench-v4 .format-tip {
  position: fixed;
  z-index: 100;
  max-width: 290px;
  padding: 8px 10px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  color: var(--text2);
  background: #1a232d;
  box-shadow: var(--shadow);
  font-size: 11px;
  line-height: 1.5;
  pointer-events: none;
  opacity: 0;
  transform: translate(-50%, -3px);
  transition: opacity 100ms ease, transform 100ms ease;
}

.workbench-v4 .format-tip.show {
  opacity: 1;
  transform: translate(-50%, 0);
}

/* --- 修复: LUT 专业档禁用态(速度/画质不可调时置灰) --- */
.workbench-v4 .segmented.disabled,
.workbench-v4 .field.disabled {
  opacity: 0.45;
  filter: saturate(0.35);
  pointer-events: none;
}
.workbench-v4 .segmented.disabled button {
  cursor: not-allowed;
}
/* --- 修复: 下拉选项与整体暗色主题统一(原生弹层兜底) --- */
.workbench-v4 select option,
.workbench-v4 select optgroup {
  background: #161c25;
  color: var(--ink);
}
.workbench-v4 select:focus option:checked,
.workbench-v4 select option:checked {
  background: #22303d;
  color: var(--accent);
}

.workbench-v4 .toast {
  position: fixed;
  z-index: 200;
  left: 50%;
  bottom: 22px;
  max-width: min(560px, calc(100vw - 32px));
  padding: 10px 14px;
  border: 1px solid var(--line-strong);
  border-radius: 9px;
  color: var(--ink);
  background: #1a232d;
  box-shadow: var(--shadow);
  font-size: 12px;
  transform: translateX(-50%);
}

.workbench-v4 .modal-mask {
  position: fixed;
  z-index: 150;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(3, 6, 9, 0.68);
}

.workbench-v4 .modal {
  width: min(620px, 100%);
  max-height: min(680px, calc(100vh - 48px));
  overflow: hidden;
  border: 1px solid var(--line-strong);
  border-radius: 12px;
  background: #151d26;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.52);
}

.workbench-v4 .modal-head {
  min-height: 50px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 15px;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
  font-size: 13px;
  font-weight: 600;
}

.workbench-v4 .modal-head span {
  display: flex;
  align-items: center;
  gap: 7px;
}

.workbench-v4 .modal-head svg {
  width: 16px;
  height: 16px;
}

.workbench-v4 .modal-body {
  max-height: calc(100vh - 128px);
  padding: 15px;
  overflow-y: auto;
}

.workbench-v4 .modal-sec-title {
  margin: 12px 0 6px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 600;
}

.workbench-v4 .modal-sec-title:first-child {
  margin-top: 0;
}

.workbench-v4 .modal-pre,
.workbench-v4 .modal-line {
  margin: 0;
  padding: 10px;
  overflow-wrap: anywhere;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--text2);
  background: #0e141b;
  font-family: "Cascadia Mono", Consolas, monospace;
  font-size: 10.5px;
  white-space: pre-wrap;
}

/* Responsive density */
@media (max-width: 1180px) {
  body.workbench-v4 {
    min-width: 840px;
  }

  .workbench-v4 .workspace {
    grid-template-columns: 360px minmax(0, 1fr);
    gap: 12px;
    padding: 12px;
  }

  .workbench-v4 .sidebar-scroll,
  .workbench-v4 .sidebar-footer {
    padding-left: 16px;
    padding-right: 16px;
  }

  .workbench-v4 .stat-pills {
    display: none;
  }
}

@media (max-width: 920px) {
  body.workbench-v4 {
    min-width: 720px;
  }

  .workbench-v4 .workspace {
    grid-template-columns: 330px minmax(0, 1fr);
  }

  .workbench-v4 .filter-tab {
    padding: 0 6px;
    font-size: 10px;
  }

  .workbench-v4 #clearDoneBtn span {
    display: none;
  }
}

@media (max-width: 760px) {
  body.workbench-v4 {
    min-width: 320px;
    min-height: 640px;
    overflow: auto;
  }

  .workbench-v4 .workspace {
    min-height: auto;
    display: flex;
    flex-direction: column;
    overflow: visible;
  }

  .workbench-v4 .sidebar {
    min-height: 620px;
  }

  .workbench-v4 .content {
    min-height: 560px;
  }

  .workbench-v4 .field-grid {
    grid-template-columns: 1fr;
  }

  .workbench-v4 .field-grid > * {
    grid-column: 1 !important;
  }
}

@media (prefers-reduced-motion: reduce) {
  .workbench-v4 *,
  .workbench-v4 *::before,
  .workbench-v4 *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}