.ept-workspace__header {
  align-items: center;
  display: flex;
  gap: 12px;
  justify-content: space-between;
  margin-bottom: 14px;
}

.ept-workspace__title h3 {
  font-size: 1.08rem;
  margin: 0 0 4px;
}

.ept-workspace__title p {
  color: var(--ept-muted);
  font-size: 0.9rem;
  line-height: 1.45;
  margin: 0;
}

.ept-workspace__nav {
  align-items: center;
  background: var(--ept-surface-soft);
  border: 1px solid var(--ept-border);
  border-radius: 18px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: space-between;
  margin-bottom: 14px;
  padding: 12px;
}

.ept-workspace__nav-group {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.ept-page-count-pill {
  align-items: center;
  background: #fff;
  border: 1px solid var(--ept-border);
  border-radius: 999px;
  color: var(--ept-muted-strong);
  display: inline-flex;
  font-size: 0.86rem;
  font-weight: 850;
  min-height: 36px;
  padding: 7px 12px;
  white-space: nowrap;
}

.ept-workspace__view-tools {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.ept-workspace__view-tools select {
  background: #fff;
  border: 1px solid var(--ept-border-strong);
  border-radius: 999px;
  color: var(--ept-text);
  font-size: 0.86rem;
  font-weight: 800;
  min-height: 36px;
  padding: 7px 28px 7px 12px;
}

.ept-workspace__body {
  display: grid;
  gap: 14px;
  grid-template-columns: minmax(0, 1fr) minmax(210px, 270px);
}

.ept-workspace-preview {
  background: linear-gradient(180deg, #f8fafc 0%, #eef4fb 100%);
  border: 1px solid var(--ept-border);
  border-radius: 20px;
  min-height: 390px;
  padding: 16px;
}

.ept-workspace-preview__surface {
  align-items: center;
  background: repeating-linear-gradient(45deg, #edf3fb, #edf3fb 12px, #f8fafc 12px, #f8fafc 24px);
  border: 1px solid var(--ept-border-strong);
  border-radius: 18px;
  display: flex;
  justify-content: center;
  min-height: 310px;
  overflow: hidden;
  padding: 24px;
}

.ept-workspace-paper {
  background: #fff;
  border: 1px solid #cbd5e1;
  border-radius: 14px;
  box-shadow: 0 26px 60px rgba(15, 23, 42, 0.18);
  display: flex;
  flex-direction: column;
  height: 265px;
  justify-content: space-between;
  max-width: 100%;
  padding: 18px;
  position: relative;
  width: 205px;
}

.ept-workspace-preview.is-selected .ept-workspace-paper {
  border-color: var(--ept-success-border);
  box-shadow: 0 26px 60px rgba(16, 185, 129, 0.22);
}

.ept-workspace-preview.is-empty .ept-workspace-paper {
  opacity: 0.72;
}

.ept-workspace-paper::before,
.ept-workspace-paper::after {
  background: #e2e8f0;
  border-radius: 999px;
  content: '';
  display: block;
  height: 8px;
  width: 72%;
}

.ept-workspace-paper::after {
  width: 48%;
}

.ept-workspace-paper__center {
  text-align: center;
}

.ept-workspace-paper__center strong,
.ept-workspace-paper__center span {
  display: block;
}

.ept-workspace-paper__center strong {
  color: var(--ept-text);
  font-size: 1.18rem;
  margin-bottom: 6px;
}

.ept-workspace-paper__center span {
  color: var(--ept-muted);
  font-size: 0.86rem;
}

.ept-workspace-preview__meta {
  display: grid;
  gap: 8px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 12px;
}

.ept-workspace-meta-card {
  background: #fff;
  border: 1px solid var(--ept-border);
  border-radius: 14px;
  padding: 10px;
}

.ept-workspace-meta-card strong,
.ept-workspace-meta-card span {
  display: block;
}

.ept-workspace-meta-card strong {
  font-size: 0.76rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.ept-workspace-meta-card span {
  color: var(--ept-muted);
  font-size: 0.84rem;
  margin-top: 4px;
  overflow-wrap: anywhere;
}

.ept-workspace-pages {
  background: #fff;
  border: 1px solid var(--ept-border);
  border-radius: 20px;
  display: flex;
  flex-direction: column;
  min-height: 390px;
  overflow: hidden;
}

.ept-workspace-pages__head {
  border-bottom: 1px solid var(--ept-border);
  padding: 13px;
}

.ept-workspace-pages__head h4 {
  font-size: 0.94rem;
  margin: 0 0 4px;
}

.ept-workspace-pages__head p {
  color: var(--ept-muted);
  font-size: 0.8rem;
  line-height: 1.4;
  margin: 0;
}

.ept-page-list {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(auto-fill, minmax(92px, 1fr));
  max-height: 480px;
  overflow: auto;
  padding: 12px;
}

.ept-page-list.is-list {
  grid-template-columns: 1fr;
}

.ept-page-card {
  align-items: stretch;
  background: var(--ept-surface-soft);
  border: 1px solid var(--ept-border);
  border-radius: 16px;
  color: var(--ept-text);
  cursor: pointer;
  display: grid;
  gap: 8px;
  padding: 9px;
  text-align: left;
  transition: background 120ms ease, border-color 120ms ease, box-shadow 120ms ease, transform 120ms ease;
}

.ept-page-card:hover,
.ept-page-card:focus-visible {
  border-color: var(--ept-primary);
  box-shadow: 0 12px 28px rgba(37, 99, 235, 0.12);
  transform: translateY(-1px);
}

.ept-page-card.is-current {
  border-color: var(--ept-primary);
  box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.12);
}

.ept-page-card.is-selected {
  background: var(--ept-success-bg);
  border-color: var(--ept-success-border);
}

.ept-page-card__num {
  align-items: center;
  background: #fff;
  border: 1px solid var(--ept-border);
  border-radius: 999px;
  color: var(--ept-muted-strong);
  display: inline-flex;
  font-size: 0.78rem;
  font-weight: 900;
  height: 26px;
  justify-content: center;
  min-width: 26px;
  padding: 0 8px;
  width: fit-content;
}

.ept-page-card__paper {
  align-items: center;
  align-self: center;
  background: #fff;
  border: 1px solid #cbd5e1;
  border-radius: 8px;
  display: flex;
  height: 74px;
  justify-content: center;
  margin: 0 auto;
  width: 54px;
}

.ept-page-card__paper span {
  background: #e2e8f0;
  border-radius: 999px;
  display: block;
  height: 6px;
  width: 32px;
}

.ept-page-card__meta {
  color: var(--ept-muted);
  display: block;
  font-size: 0.72rem;
  line-height: 1.28;
  overflow-wrap: anywhere;
}

.ept-page-list.is-list .ept-page-card {
  align-items: center;
  grid-template-columns: auto 42px minmax(0, 1fr);
}

.ept-page-list.is-list .ept-page-card__paper {
  height: 48px;
  width: 34px;
}

.ept-workspace-empty-list,
.ept-workspace-list-note {
  background: var(--ept-surface-soft);
  border: 1px dashed var(--ept-border-strong);
  border-radius: 14px;
  color: var(--ept-muted);
  font-size: 0.84rem;
  grid-column: 1 / -1;
  line-height: 1.45;
  padding: 12px;
}

.ept-workspace__selection,
.ept-workspace__samples {
  background: #fff;
  border: 1px solid var(--ept-border);
  border-radius: 16px;
  margin-top: 14px;
  padding: 12px;
}

.ept-workspace__selection h4,
.ept-workspace__samples h4 {
  font-size: 0.88rem;
  margin: 0 0 9px;
}

.ept-workspace-chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

@media (max-width: 980px) {
  .ept-workspace__body {
    grid-template-columns: 1fr;
  }

  .ept-workspace-pages {
    min-height: 0;
  }

  .ept-page-list {
    max-height: 360px;
  }
}

@media (max-width: 640px) {
  .ept-workspace__header,
  .ept-workspace__nav {
    align-items: stretch;
    flex-direction: column;
  }

  .ept-workspace__nav-group,
  .ept-workspace__view-tools,
  .ept-workspace__header .ept-button-group {
    width: 100%;
  }

  .ept-workspace__nav-group .ept-button,
  .ept-workspace__view-tools .ept-button,
  .ept-workspace__view-tools select {
    flex: 1 1 auto;
  }

  .ept-workspace-preview__meta {
    grid-template-columns: 1fr;
  }
}

/* CORE-10.2 real PDF.js canvas preview binding. */
.ept-bench .ept-workspace-preview__surface {
  min-height: 560px;
}

.ept-bench .ept-workspace-paper.has-real-canvas,
.ept-bench .ept-workspace-paper.is-rendering,
.ept-bench .ept-workspace-paper.is-render-error {
  align-items: center;
  display: block;
  justify-content: initial;
  max-height: 100%;
  overflow: hidden;
  padding: 0;
}

.ept-bench .ept-workspace-paper.has-real-canvas::before,
.ept-bench .ept-workspace-paper.has-real-canvas::after,
.ept-bench .ept-workspace-paper.is-rendering::before,
.ept-bench .ept-workspace-paper.is-rendering::after,
.ept-bench .ept-workspace-paper.is-render-error::before,
.ept-bench .ept-workspace-paper.is-render-error::after {
  display: none;
}

.ept-bench .ept-pdf-canvas {
  background: #fff;
  border-radius: inherit;
  display: block;
  height: auto;
  max-height: 100%;
  max-width: 100%;
  width: auto;
}

.ept-bench .ept-workspace-paper__placeholder {
  display: flex;
  flex: 1;
  flex-direction: column;
  height: 100%;
  justify-content: space-between;
}

.ept-bench .ept-workspace-paper__placeholder[hidden] {
  display: none !important;
}

.ept-bench .ept-workspace-paper__placeholder::before,
.ept-bench .ept-workspace-paper__placeholder::after {
  background: #e2e8f0;
  border-radius: 999px;
  content: '';
  display: block;
  height: 8px;
  width: 72%;
}

.ept-bench .ept-workspace-paper__placeholder::after {
  width: 48%;
}

.ept-bench .ept-workspace-paper.is-rendering .ept-workspace-paper__placeholder,
.ept-bench .ept-workspace-paper.is-render-error .ept-workspace-paper__placeholder {
  align-items: center;
  background: #fff;
  display: flex;
  justify-content: center;
  padding: 18px;
  text-align: center;
}

.ept-bench .ept-workspace-paper.is-rendering .ept-workspace-paper__placeholder::before,
.ept-bench .ept-workspace-paper.is-rendering .ept-workspace-paper__placeholder::after,
.ept-bench .ept-workspace-paper.is-render-error .ept-workspace-paper__placeholder::before,
.ept-bench .ept-workspace-paper.is-render-error .ept-workspace-paper__placeholder::after {
  display: none;
}

.ept-bench .ept-workspace-paper.is-rendering .ept-workspace-paper__placeholder::after,
.ept-bench .ept-workspace-paper.is-render-error .ept-workspace-paper__placeholder::after {
  content: attr(data-render-message);
  display: block;
  height: auto;
  width: auto;
}

.ept-bench .ept-page-card__paper canvas {
  border-radius: 6px;
  display: block;
  max-height: 72px;
  max-width: 100%;
}

.ept-bench .ept-page-card__paper.has-thumb-canvas > span {
  display: none;
}

.ept-bench .ept-workspace-preview__meta {
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
}


/* DESIGN-3 — Shared Workspace Slot final design lock for Debug/Test Bench. */
.ept-bench .ept-workspace {
  background: var(--ept-surface-solid);
  border: 1px solid var(--ept-border-blue);
  border-radius: var(--ept-radius-workspace);
  box-shadow: var(--ept-shadow-workspace);
  padding: 0;
  overflow: hidden;
}

.ept-bench .ept-workspace__header {
  background: linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
  border-bottom: 1px solid var(--ept-border-blue);
  margin: 0;
  min-height: 76px;
  padding: 16px 18px;
}

.ept-bench .ept-workspace__title h3 {
  color: var(--ept-text) !important;
  font-size: 1.16rem;
  font-weight: 950;
  letter-spacing: -.025em;
}

.ept-bench .ept-toolbar,
.ept-bench .ept-workspace__nav,
.ept-bench .ept-workspace__body,
.ept-bench .ept-workspace__selection,
.ept-bench .ept-workspace__samples {
  margin-left: var(--ept-workspace-padding);
  margin-right: var(--ept-workspace-padding);
}

.ept-bench .ept-toolbar {
  background: #fff;
  border: 1px solid var(--ept-border);
  border-radius: 18px;
  margin-top: var(--ept-workspace-padding);
  padding: 12px 14px;
}

.ept-bench .ept-workspace__nav {
  background: rgba(248,251,255,.9);
  border-color: var(--ept-border-blue);
  margin-bottom: 16px;
  margin-top: 14px;
}

.ept-bench .ept-workspace__body {
  grid-template-columns: minmax(0, 1fr) minmax(220px, 300px);
}

.ept-bench .ept-workspace-preview {
  background: rgba(255,255,255,.96);
  border-color: var(--ept-border-blue);
  border-radius: 22px;
  box-shadow: var(--ept-shadow-card);
  min-height: var(--ept-workspace-preview-min-height);
}

.ept-bench .ept-workspace-preview__surface {
  background: var(--ept-gradient-preview);
  border-color: #d7e3f2;
  border-radius: 20px;
  min-height: calc(var(--ept-workspace-preview-min-height) - 124px);
  position: relative;
}

.ept-bench .ept-workspace-preview__surface::before {
  background: linear-gradient(90deg, rgba(37,99,235,.10), rgba(103,232,249,.12));
  border-radius: 999px;
  content: "";
  height: 9px;
  left: 22px;
  opacity: .45;
  position: absolute;
  right: 22px;
  top: 16px;
}

.ept-bench .ept-workspace-paper.has-real-canvas {
  border-radius: 14px;
  box-shadow: var(--ept-shadow-pdf);
}

.ept-bench .ept-workspace-pages {
  border-color: var(--ept-border-blue);
  border-radius: 22px;
  box-shadow: var(--ept-shadow-card);
}

.ept-bench .ept-page-list {
  gap: 12px;
  max-height: 560px;
}

.ept-bench .ept-page-card {
  background: #fff;
  border-color: var(--ept-border);
  border-radius: 16px;
}

.ept-bench .ept-page-card.is-current {
  border-color: var(--ept-primary);
  box-shadow: 0 0 0 3px rgba(37,99,235,.10), 0 12px 26px rgba(37,99,235,.08);
}

.ept-bench .ept-page-card.is-selected {
  background: var(--ept-success-bg);
  border-color: var(--ept-success-border);
}

.ept-bench .ept-workspace__selection,
.ept-bench .ept-workspace__samples {
  border-color: var(--ept-border-blue);
  border-radius: 18px;
}

.ept-bench .ept-workspace__samples {
  margin-bottom: var(--ept-workspace-padding);
}

@media (max-width: 980px) {
  .ept-bench .ept-workspace__body {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .ept-bench .ept-toolbar,
  .ept-bench .ept-workspace__nav,
  .ept-bench .ept-workspace__body,
  .ept-bench .ept-workspace__selection,
  .ept-bench .ept-workspace__samples {
    margin-left: 14px;
    margin-right: 14px;
  }
  .ept-bench .ept-workspace__header {
    padding: 14px;
  }
}