:root {
  --bg: #f4efe5;
  --panel: rgba(255, 251, 244, 0.88);
  --panel-border: rgba(69, 47, 19, 0.14);
  --text: #2f2416;
  --muted: #6b5b48;
  --primary: #155eef;
  --accent: #d96c24;
  --danger: #c73d2f;
  --success: #17855e;
  --shadow: 0 18px 45px rgba(68, 48, 16, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at top right, rgba(217, 108, 36, 0.18), transparent 28%),
    radial-gradient(circle at left bottom, rgba(21, 94, 239, 0.12), transparent 24%),
    linear-gradient(180deg, #f7f1e7 0%, #ebe2d2 100%);
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

.page-shell {
  max-width: 1480px;
  margin: 0 auto;
  padding: 24px;
}

.hero {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 20px;
  align-items: stretch;
  margin-bottom: 24px;
  padding: 28px;
  border-radius: 28px;
  background: linear-gradient(135deg, rgba(47, 36, 22, 0.92), rgba(28, 56, 105, 0.92));
  box-shadow: var(--shadow);
  color: #fdf6eb;
}

.hero h1,
.panel h2,
.history-block h3,
.reference-head h3,
.sub-panel-head h3,
.paired-tools-head h3 {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  letter-spacing: 0.02em;
}

.eyebrow {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(255, 243, 224, 0.76);
}

.hero-copy {
  margin: 10px 0 0;
  max-width: 720px;
  color: rgba(255, 247, 235, 0.84);
  line-height: 1.6;
}

.hero-card {
  display: grid;
  gap: 12px;
}

.metric {
  padding: 14px 16px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.metric span {
  display: block;
  color: rgba(255, 240, 221, 0.72);
  font-size: 13px;
}

.metric strong {
  display: block;
  margin-top: 4px;
  font-size: 20px;
}

.content-grid {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: start;
}

.panel,
.sub-panel {
  padding: 20px;
  border-radius: 24px;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.sub-panel {
  padding: 18px;
  background: rgba(255, 255, 255, 0.58);
}

.panel-large {
  grid-column: span 2;
}

.panel-head,
.sub-panel-head,
.reference-head,
.page-card-head,
.page-card-foot,
.result-head,
.result-actions,
.history-item,
.history-actions,
.prompt-editor-head,
.prompt-editor-actions,
.paired-tools-head,
.result-group-head,
.source-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.panel-actions,
.result-actions,
.history-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.form-grid,
.stack-grid {
  display: grid;
  gap: 14px;
}

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

.stack-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 16px;
}

.field {
  display: grid;
  gap: 8px;
}

.field-wide {
  grid-column: span 2;
}

.field span,
.subtle-text {
  color: var(--muted);
  font-size: 13px;
}

.mode-caption {
  margin: 14px 0 0;
}

.workflow-panel {
  display: grid;
  gap: 14px;
  align-self: start;
}

.workflow-panel .panel-head {
  margin-bottom: 0;
}

.workflow-panel .form-grid {
  gap: 16px 14px;
  align-items: end;
}

.workflow-panel .mode-caption {
  margin: 0;
  padding: 14px 16px;
  min-height: 72px;
  border-radius: 18px;
  border: 1px solid rgba(69, 47, 19, 0.1);
  background: linear-gradient(135deg, rgba(47, 36, 22, 0.05), rgba(21, 94, 239, 0.04));
  line-height: 1.6;
}

.studio-account-panel,
.studio-billing-panel {
  display: grid;
  gap: 18px;
}

.studio-account-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.studio-account-head p {
  margin: 8px 0 0;
}

.studio-account-grid,
.studio-billing-grid {
  display: grid;
  gap: 14px;
}

.studio-account-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.studio-billing-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.studio-metric-card,
.billing-subpanel,
.billing-card {
  padding: 18px;
  border-radius: 22px;
  border: 1px solid rgba(69, 47, 19, 0.1);
  background: rgba(255, 255, 255, 0.58);
}

.studio-metric-card span {
  display: block;
  font-size: 13px;
  color: var(--muted);
}

.studio-metric-card strong {
  display: block;
  margin-top: 8px;
  font-size: clamp(22px, 2vw, 30px);
}

.studio-managed-note {
  margin: 0;
}

.billing-list {
  display: grid;
  gap: 12px;
}

.billing-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.billing-note {
  white-space: pre-wrap;
  word-break: break-word;
  margin: 12px 0 0;
  padding: 12px;
  border-radius: 14px;
  background: rgba(47, 36, 22, 0.05);
  color: var(--muted);
}

.compact-empty {
  padding: 18px;
}

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

input,
select,
textarea {
  width: 100%;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid rgba(69, 47, 19, 0.14);
  background: rgba(255, 255, 255, 0.76);
  color: var(--text);
}

textarea {
  resize: vertical;
  line-height: 1.55;
}

input:focus,
select:focus,
textarea:focus {
  outline: 2px solid rgba(21, 94, 239, 0.24);
  border-color: rgba(21, 94, 239, 0.4);
}

button {
  cursor: pointer;
  border: 0;
  border-radius: 999px;
  padding: 10px 16px;
  transition: transform 120ms ease, opacity 120ms ease;
}

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

button:disabled {
  opacity: 0.56;
  cursor: not-allowed;
  transform: none;
}

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

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

.ghost-btn,
.upload-btn {
  background: rgba(47, 36, 22, 0.08);
  color: var(--text);
}

.remember-row,
.check-row {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 16px;
}

.remember-row input,
.check-row input {
  width: auto;
}

.compat-hint,
.warning-banner,
.job-banner {
  margin-top: 14px;
  padding: 12px 14px;
  border-radius: 16px;
  background: rgba(21, 94, 239, 0.08);
  color: var(--text);
}

.warning-banner {
  background: rgba(217, 108, 36, 0.12);
}

.job-banner {
  margin-top: 0;
  margin-bottom: 16px;
}

.reference-box,
.history-block {
  margin-top: 18px;
}

.dropzone {
  margin-top: 16px;
  padding: 18px;
  border-radius: 18px;
  border: 1px dashed rgba(69, 47, 19, 0.22);
  background: rgba(255, 255, 255, 0.52);
  color: var(--muted);
  text-align: center;
}

.dropzone.is-dragover {
  border-color: rgba(21, 94, 239, 0.5);
  background: rgba(21, 94, 239, 0.08);
  color: var(--primary);
}

.multi-compose-panel {
  display: grid;
  gap: 16px;
}

.multi-compose-grid {
  display: grid;
  gap: 14px;
}

.multi-source-stack {
  display: grid;
  gap: 10px;
}

.multi-source-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.multi-compose-label {
  font-size: 13px;
  color: var(--muted);
}

.multi-prompt-field {
  margin: 0;
}

.multi-prompt-field textarea {
  min-height: 156px;
}

.multi-import-wrap[hidden] {
  display: none !important;
}

.multi-compose-panel .source-image-list,
.multi-compose-panel .prompt-template-list {
  margin-top: 0;
}

.multi-compose-panel .source-card {
  grid-template-columns: 74px minmax(0, 1fr) auto;
  gap: 10px;
  padding: 12px;
}

.multi-compose-panel .source-card-thumb img {
  height: 74px;
}

.multi-compose-panel .source-card-actions {
  align-self: center;
}

.prompt-editor-modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  overflow: auto;
  box-sizing: border-box;
}

.prompt-editor-modal[hidden] {
  display: none !important;
}

.prompt-editor-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(29, 23, 15, 0.32);
  backdrop-filter: blur(6px);
}

.prompt-editor-dialog {
  position: relative;
  width: min(960px, calc(100vw - 32px));
  max-height: calc(100dvh - 32px);
  margin: 0;
  padding: 22px;
  border-radius: 24px;
  background: rgba(255, 251, 244, 0.98);
  border: 1px solid rgba(69, 47, 19, 0.12);
  box-shadow: 0 28px 80px rgba(31, 22, 9, 0.24);
  overflow-y: auto;
  overscroll-behavior: contain;
  box-sizing: border-box;
}

.prompt-editor-head {
  margin-bottom: 16px;
}

.prompt-editor-head h3 {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
}

.prompt-editor-actions {
  margin-top: 16px;
  justify-content: flex-end;
  flex-wrap: wrap;
}

.prompt-editor-reference-section {
  display: grid;
  gap: 14px;
  margin-bottom: 18px;
}

.prompt-editor-reference-head h4 {
  margin: 0;
  font-size: 16px;
}

.prompt-editor-reference-options {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 6px;
  width: fit-content;
  max-width: 100%;
  padding: 4px;
  border-radius: 999px;
  background: rgba(111, 88, 59, 0.08);
  border: 1px solid rgba(69, 47, 19, 0.1);
}

.prompt-editor-reference-segment {
  min-height: 40px;
  padding: 0 18px;
  border-radius: 999px;
  border: 0;
  background: transparent;
  color: rgba(73, 56, 33, 0.72);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 180ms ease, color 180ms ease, box-shadow 180ms ease, transform 180ms ease;
}

.prompt-editor-reference-segment:hover,
.prompt-editor-reference-segment:focus-visible {
  color: #2f2317;
}

.prompt-editor-reference-segment:focus-visible {
  outline: 2px solid rgba(47, 95, 211, 0.24);
  outline-offset: 2px;
}

.prompt-editor-reference-segment.is-selected {
  background: rgba(255, 255, 255, 0.96);
  color: #1f1610;
  box-shadow: 0 10px 22px rgba(35, 24, 12, 0.12);
}

.prompt-editor-reference-preview {
  display: grid;
  grid-template-columns: minmax(0, 220px) minmax(0, 1fr);
  gap: 16px;
  align-items: center;
  padding: 16px;
  border-radius: 22px;
  border: 1px solid rgba(69, 47, 19, 0.12);
  background: rgba(255, 255, 255, 0.74);
}

.prompt-editor-reference-preview-media {
  position: relative;
  overflow: hidden;
  aspect-ratio: 1;
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(253, 249, 242, 0.96), rgba(240, 232, 220, 0.9));
  border: 1px solid rgba(69, 47, 19, 0.08);
}

.prompt-editor-reference-preview-media img,
.prompt-editor-reference-placeholder {
  width: 100%;
  height: 100%;
}

.prompt-editor-reference-preview-media img {
  display: block;
  object-fit: cover;
}

.prompt-editor-reference-placeholder {
  display: grid;
  place-items: center;
  color: rgba(73, 56, 33, 0.54);
  font-size: 12px;
  letter-spacing: 0.18em;
}

.prompt-editor-reference-preview-copy {
  display: grid;
  gap: 8px;
}

.prompt-editor-reference-preview-copy strong {
  font-size: 16px;
  line-height: 1.5;
}

.prompt-editor-reference-preview-copy p {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.prompt-editor-reference-preview-badge {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  min-height: 28px;
  padding: 0 12px;
  border-radius: 999px;
  background: rgba(47, 95, 211, 0.08);
  color: #2f5fd3;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

#prompt-editor-textarea {
  min-height: 360px;
  font-family: "Consolas", "SFMono-Regular", "Microsoft YaHei", monospace;
  font-size: 14px;
  line-height: 1.65;
}

.reference-list,
.pages-container,
.results-grid,
.history-list,
.source-image-list,
.prompt-template-list,
.task-preview-list,
.results-groups {
  display: grid;
  gap: 14px;
  margin-top: 14px;
}

.reference-item,
.page-card,
.prompt-template-card,
.result-card,
.history-item,
.source-card,
.task-preview-card,
.result-group,
.target-image-card {
  padding: 14px;
  border-radius: 18px;
  border: 1px solid rgba(69, 47, 19, 0.12);
  background: rgba(255, 255, 255, 0.68);
}

.reference-item {
  display: grid;
  gap: 12px;
  grid-template-columns: 82px 1fr auto;
  align-items: center;
}

.source-card {
  display: grid;
  gap: 12px;
  grid-template-columns: 92px 1fr auto;
  align-items: center;
}

.target-image-card {
  display: grid;
  gap: 12px;
  grid-template-columns: 116px 1fr auto;
  align-items: center;
  margin-top: 16px;
}

.source-card.is-dragging {
  opacity: 0.48;
}

.source-card.drag-over {
  border-color: rgba(21, 94, 239, 0.42);
  box-shadow: 0 0 0 3px rgba(21, 94, 239, 0.08);
}

.source-card-thumb,
.result-group-thumb,
.target-image-thumb {
  border-radius: 16px;
  overflow: hidden;
  aspect-ratio: 1 / 1;
}

.reference-item img,
.source-card img,
.result-image-wrap img,
.task-preview-thumb,
.result-group-thumb img,
.target-image-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(21, 94, 239, 0.08), rgba(217, 108, 36, 0.08));
}

.reference-item img {
  height: 82px;
}

.source-card-thumb img {
  height: 92px;
}

.reference-meta,
.source-card-body,
.result-group-meta,
.target-image-body {
  display: grid;
  gap: 6px;
}

.pages-container,
.prompt-template-list,
.results-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

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

.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 28px;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(47, 36, 22, 0.08);
  color: var(--text);
  font-size: 12px;
}

.task-preview-card {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 12px;
  align-items: start;
}

.task-preview-thumb {
  aspect-ratio: 1 / 1;
}

.task-preview-body,
.result-body {
  display: grid;
  gap: 10px;
}

.task-preview-prompt {
  margin: 0;
  line-height: 1.6;
  color: var(--text);
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.results-groups {
  grid-template-columns: 1fr;
}

.result-group {
  display: grid;
  gap: 14px;
}

.result-group-meta {
  grid-template-columns: 72px 1fr;
  align-items: center;
}

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

.result-card {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 14px;
}

.result-image-wrap {
  aspect-ratio: 1 / 1;
  overflow: hidden;
  border-radius: 16px;
}

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

.paired-tools {
  margin-top: 16px;
  padding: 16px;
  border-radius: 18px;
  background: rgba(21, 94, 239, 0.06);
  border: 1px solid rgba(21, 94, 239, 0.12);
}

.empty-state {
  padding: 18px;
  border-radius: 18px;
  border: 1px dashed rgba(69, 47, 19, 0.2);
  background: rgba(255, 255, 255, 0.42);
  color: var(--muted);
}

.status-running {
  background: rgba(21, 94, 239, 0.12);
  color: var(--primary);
}

.status-succeeded,
.status-completed {
  background: rgba(23, 133, 94, 0.12);
  color: var(--success);
}

.status-failed,
.status-partial_failed {
  background: rgba(199, 61, 47, 0.12);
  color: var(--danger);
}

.status-queued,
.status-paused,
.status-skipped {
  background: rgba(47, 36, 22, 0.08);
}

@media (max-width: 1180px) {
  .hero,
  .content-grid,
  .stack-grid,
  .studio-account-grid,
  .studio-billing-grid,
  .results-grid,
  .pages-container,
  .prompt-template-list,
  .task-preview-list,
  .result-group-grid {
    grid-template-columns: 1fr;
  }

  .panel-large {
    grid-column: span 1;
  }

  .result-card,
  .task-preview-card,
  .source-card,
  .reference-item,
  .target-image-card {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .page-shell {
    padding: 14px;
  }

  .hero,
  .panel,
  .sub-panel {
    border-radius: 20px;
    padding: 16px;
  }

  .studio-account-head {
    flex-direction: column;
  }

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

  .field-wide {
    grid-column: span 1;
  }

  .prompt-editor-dialog {
    width: calc(100vw - 32px);
    max-height: calc(100dvh - 32px);
    margin: 0;
    padding: 16px;
    border-radius: 18px;
  }

  .prompt-editor-reference-preview {
    grid-template-columns: 1fr;
  }

  .prompt-editor-reference-preview-media {
    max-width: 240px;
  }

  #prompt-editor-textarea {
    min-height: 300px;
  }
}