:root {
  color-scheme: light;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  --bg: oklch(97% 0.007 240);
  --surface: oklch(99% 0.004 240);
  --surface-strong: oklch(95% 0.01 240);
  --surface-muted: oklch(93% 0.008 240);
  --border: oklch(87% 0.01 240);
  --border-strong: oklch(79% 0.016 240);
  --text: oklch(26% 0.02 248);
  --text-soft: oklch(46% 0.018 248);
  --text-faint: oklch(62% 0.015 248);
  --accent: oklch(56% 0.16 245);
  --accent-soft: oklch(92% 0.03 245);
  --success: oklch(61% 0.13 150);
  --success-soft: oklch(94% 0.028 150);
  --warning: oklch(71% 0.13 85);
  --warning-soft: oklch(95% 0.028 85);
  --danger: oklch(60% 0.18 25);
  --danger-soft: oklch(95% 0.03 25);
  --shadow: 0 14px 36px oklch(24% 0.02 248 / 0.08);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--text);
}

body {
  font-size: 14px;
  line-height: 1.45;
}

body.modal-open {
  overflow: hidden;
}

body.modal-immersive {
  background: oklch(12% 0.01 250);
}

button,
input,
textarea,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

.hidden {
  display: none !important;
}

.app-shell {
  min-height: 100vh;
  padding: 24px;
}

.topbar,
.filter-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.topbar {
  margin-bottom: 18px;
}

.eyebrow {
  margin: 0 0 4px;
  color: var(--text-faint);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.title-block h1,
.viewer-title {
  margin: 0;
  line-height: 1.05;
}

.title-block h1 {
  font-size: 30px;
}

.viewer-title {
  font-size: 28px;
}

.filter-controls,
.filter-group,
.filter-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.filter-controls {
  flex: 1 1 auto;
  justify-content: space-between;
}

.filter-actions {
  justify-content: flex-end;
}

.filter-chip,
.ghost-button,
.primary-button,
.danger-button,
.status-pill {
  border-radius: 999px;
  border: 1px solid transparent;
  transition: background-color 180ms ease, border-color 180ms ease, color 180ms ease,
    transform 180ms ease;
}

.filter-bar {
  margin-bottom: 20px;
}

.sort-control {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text-soft);
}

.sort-select {
  min-width: 172px;
  padding: 9px 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  outline: none;
}

.sort-select:focus-visible {
  border-color: var(--border-strong);
}

.filter-chip,
.ghost-button,
.primary-button,
.danger-button {
  padding: 9px 14px;
  background: var(--surface);
  border-color: var(--border);
  color: var(--text);
}

.filter-chip.is-active,
.ghost-button:hover,
.filter-chip:hover {
  border-color: var(--border-strong);
  background: var(--surface-strong);
}

.primary-button {
  background: var(--accent);
  border-color: transparent;
  color: var(--surface);
}

.primary-button:hover {
  transform: translateY(-1px);
}

.danger-button {
  color: var(--danger);
  background: var(--danger-soft);
  border-color: oklch(88% 0.04 25);
}

.workspace,
.gallery-panel {
  min-height: calc(100vh - 158px);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  grid-auto-flow: dense;
  grid-auto-rows: 8px;
  gap: 14px;
  align-items: start;
}

.gallery-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 12px;
  background: var(--surface);
  box-shadow: var(--shadow);
  text-align: left;
}

.gallery-card.is-selected {
  border-color: var(--accent);
  box-shadow: 0 14px 32px oklch(56% 0.06 245 / 0.16);
}

.gallery-card img,
.gallery-card .card-placeholder {
  width: 100%;
  display: block;
  border-radius: 12px;
  background: var(--surface-muted);
}

.gallery-card img {
  height: auto;
  object-fit: cover;
}

.card-placeholder {
  min-height: 180px;
  display: grid;
  place-items: center;
  padding: 24px;
  color: var(--text-faint);
  text-align: center;
}

.card-topline,
.card-bottomline,
.detail-head,
.viewer-topbar {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 12px;
}

.card-title {
  margin: 0;
  font-size: 13px;
  color: var(--text-soft);
}

.card-prompt {
  margin: 0;
  font-size: 14px;
  color: var(--text);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  font-size: 12px;
  background: var(--surface-muted);
  border-color: var(--border);
  color: var(--text-soft);
}

.status-pill::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: currentColor;
}

.status-succeeded {
  background: var(--success-soft);
  color: var(--success);
  border-color: oklch(88% 0.03 150);
}

.status-failed {
  background: var(--danger-soft);
  color: var(--danger);
  border-color: oklch(88% 0.04 25);
}

.status-canceled {
  background: var(--surface-strong);
  color: var(--text-soft);
  border-color: var(--border-strong);
}

.status-running {
  background: var(--accent-soft);
  color: var(--accent);
  border-color: oklch(86% 0.03 245);
}

.status-retry_waiting,
.status-queued {
  background: var(--warning-soft);
  color: var(--warning);
  border-color: oklch(90% 0.03 85);
}

.empty-state,
.detail-empty {
  display: grid;
  place-items: center;
  min-height: 320px;
  border: 1px dashed var(--border);
  border-radius: 16px;
  padding: 24px;
  text-align: center;
  color: var(--text-soft);
}

.viewer-modal {
  position: fixed;
  inset: 0;
  z-index: 40;
}

.viewer-backdrop {
  position: absolute;
  inset: 0;
  background: oklch(24% 0.02 248 / 0.52);
}

.viewer-shell {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 18px;
  width: min(1500px, calc(100vw - 48px));
  height: min(calc(100vh - 48px), 980px);
  margin: 24px auto;
  padding: 18px;
  border: 1px solid oklch(78% 0.016 240 / 0.7);
  border-radius: 24px;
  background: var(--surface);
  box-shadow: 0 24px 64px oklch(18% 0.02 248 / 0.22);
}

.viewer-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.detail-content {
  display: grid;
  grid-template-columns: 80px minmax(0, 1.38fr) minmax(280px, 0.62fr);
  gap: 18px;
  min-height: 0;
  flex: 1;
}

.viewer-modal.is-immersive .viewer-backdrop {
  background: oklch(6% 0.01 250 / 0.82);
}

.viewer-modal.is-immersive .viewer-shell {
  width: 100vw;
  height: 100vh;
  max-width: none;
  max-height: none;
  margin: 0;
  padding: 24px 28px;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.viewer-modal.is-immersive .viewer-topbar {
  color: oklch(96% 0.008 75);
}

.viewer-modal.is-immersive .ghost-button {
  background: oklch(20% 0.012 250 / 0.72);
  border-color: oklch(34% 0.015 250 / 0.9);
  color: oklch(96% 0.008 75);
}

.viewer-modal.is-immersive .detail-content {
  grid-template-columns: 104px minmax(0, 1fr);
  align-items: stretch;
}

.viewer-modal.is-immersive .detail-sidebar {
  display: none;
}

.viewer-modal.is-immersive .detail-preview-column {
  gap: 0;
}

.viewer-modal.is-immersive .preview-toolbar {
  position: absolute;
  top: 80px;
  right: 28px;
  z-index: 2;
}

.viewer-modal.is-immersive .view-mode-group {
  background: oklch(20% 0.012 250 / 0.72);
  border-color: oklch(34% 0.015 250 / 0.9);
}

.viewer-modal.is-immersive .view-mode-button {
  color: oklch(88% 0.01 75);
}

.viewer-modal.is-immersive .view-mode-button.is-active {
  background: oklch(30% 0.015 250 / 0.92);
  color: oklch(98% 0.006 75);
}

.viewer-modal.is-immersive .detail-strip {
  padding-top: 12px;
  padding-bottom: 12px;
  transition: opacity 180ms ease, transform 180ms ease;
}

.viewer-modal.is-immersive .detail-thumb {
  border-color: oklch(32% 0.012 250 / 0.84);
  background: oklch(18% 0.01 250 / 0.64);
}

.viewer-modal.is-immersive .detail-thumb.is-selected {
  border-color: oklch(74% 0.08 235);
  box-shadow: 0 0 0 3px oklch(46% 0.05 235 / 0.5);
}

.viewer-modal.is-immersive .detail-preview-frame {
  flex: 1 1 auto;
  height: calc(100vh - 126px);
  min-height: calc(100vh - 126px);
  border-radius: 24px;
  background: oklch(10% 0.008 250 / 0.36);
}

.viewer-modal.immersive-ui-hidden .detail-strip {
  opacity: 0;
  transform: translateX(-18px);
  pointer-events: none;
}

.viewer-modal.immersive-ui-hidden .preview-toolbar,
.viewer-modal.immersive-ui-hidden .viewer-topbar {
  opacity: 0.12;
}

.viewer-modal.is-immersive .detail-placeholder {
  color: oklch(82% 0.01 75);
}

.detail-strip {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-height: 100%;
  overflow: auto;
  padding-right: 4px;
  scrollbar-gutter: stable;
  overscroll-behavior: contain;
}

.detail-thumb {
  flex: 0 0 auto;
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface-muted);
  padding: 0;
  overflow: hidden;
}

.detail-thumb,
.gallery-card,
.filter-chip,
.ghost-button,
.primary-button,
.danger-button {
  outline: none;
}

.detail-thumb:focus-visible,
.gallery-card:focus-visible,
.filter-chip:focus-visible,
.ghost-button:focus-visible,
.primary-button:focus-visible,
.danger-button:focus-visible {
  box-shadow: 0 0 0 3px oklch(91% 0.03 245), var(--shadow);
}

.danger-button:disabled,
.ghost-button:disabled,
.primary-button:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.detail-thumb.is-selected {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px oklch(91% 0.03 245);
}

.detail-thumb img,
.detail-thumb .thumb-fallback {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  display: grid;
  place-items: center;
  color: var(--text-faint);
  font-size: 11px;
}

.detail-preview-column {
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 0;
  min-height: 0;
}

.preview-toolbar {
  display: flex;
  justify-content: flex-end;
}

.view-mode-group {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
}

.view-mode-button {
  border: 0;
  border-radius: 999px;
  padding: 7px 12px;
  background: transparent;
  color: var(--text-soft);
}

.view-mode-button.is-active {
  background: var(--surface-strong);
  color: var(--text);
}

.view-mode-button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.detail-sidebar {
  display: flex;
  flex-direction: column;
  gap: 18px;
  min-height: 0;
  overflow: auto;
}

.detail-preview-frame {
  flex: 0 0 clamp(480px, 72vh, 760px);
  height: clamp(480px, 72vh, 760px);
  min-height: clamp(480px, 72vh, 760px);
  flex-shrink: 0;
  border-radius: 18px;
  background: linear-gradient(180deg, oklch(92% 0.018 75), oklch(87% 0.018 60));
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: default;
}

.detail-preview {
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  flex: 0 1 auto;
  display: block;
  transform-origin: center center;
  transition: transform 140ms ease;
  will-change: transform;
}

.detail-preview.is-fill {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.detail-preview-frame.has-image {
  cursor: zoom-in;
}

.detail-preview-frame.is-zoomed {
  cursor: grab;
}

.detail-preview-frame.is-dragging {
  cursor: grabbing;
}

.detail-preview-frame.is-dragging .detail-preview {
  transition: none;
  user-select: none;
}

.detail-preview-frame.is-wheeling .detail-preview {
  transition: none;
}

.detail-placeholder {
  width: 100%;
  height: 100%;
  display: grid;
  place-items: center;
  padding: 28px;
  color: oklch(78% 0.015 248);
  text-align: center;
}

.detail-label {
  margin: 0 0 4px;
  font-size: 12px;
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.detail-title {
  margin: 0;
  font-size: 22px;
  line-height: 1.1;
}

.detail-prompt-panel,
.reference-block {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--surface-muted);
}

.detail-prompt-head,
.reference-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.detail-prompt-preview,
.detail-prompt-scroll {
  margin: 0;
  color: var(--text-soft);
}

.detail-prompt-preview {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.detail-prompt-full {
  max-height: 300px;
  overflow: auto;
  padding-right: 6px;
}

.prompt-toggle {
  padding: 7px 12px;
}

.reference-image {
  width: 88px;
  height: 88px;
  object-fit: cover;
  border-radius: 14px;
  border: 1px solid var(--border);
}

.meta-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 0;
}

.meta-item {
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--surface-muted);
}

.meta-item dt {
  margin: 0 0 4px;
  font-size: 12px;
  color: var(--text-faint);
}

.meta-item dd {
  margin: 0;
  color: var(--text);
  word-break: break-word;
}

.action-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  z-index: 60;
  transform: translateX(-50%);
  margin: 0;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: oklch(99% 0.004 240 / 0.96);
  box-shadow: var(--shadow);
  color: var(--text);
}

@media (max-width: 1180px) {
  .gallery-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .viewer-shell {
    width: calc(100vw - 28px);
    height: calc(100vh - 28px);
    margin: 14px;
  }
}

@media (max-width: 860px) {
  .app-shell {
    padding: 18px;
  }

  .gallery-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .detail-content {
    grid-template-columns: 1fr;
    overflow: auto;
  }

  .preview-toolbar {
    justify-content: flex-start;
  }

  .detail-strip {
    flex-direction: row;
    max-height: 92px;
    overflow: auto;
    padding-right: 0;
    padding-bottom: 4px;
  }

  .detail-thumb {
    width: 72px;
    flex: 0 0 auto;
  }

  .detail-preview {
    max-height: 46vh;
  }

  .detail-preview-frame {
    flex: 0 0 min(58vh, 620px);
    height: min(58vh, 620px);
    min-height: min(58vh, 620px);
  }

  .reference-image {
    width: 72px;
    height: 72px;
  }
}

@media (max-width: 560px) {
  .gallery-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .topbar,
  .filter-bar,
  .viewer-topbar {
    flex-direction: column;
    align-items: start;
  }

  .filter-controls {
    width: 100%;
    justify-content: flex-start;
  }

  .filter-actions {
    width: 100%;
    justify-content: flex-start;
  }

  .viewer-shell {
    width: calc(100vw - 16px);
    height: calc(100vh - 16px);
    margin: 8px;
    padding: 14px;
    border-radius: 18px;
  }

  .meta-grid {
    grid-template-columns: 1fr;
  }
}