:root {
  color-scheme: light;
  --bg: #f5f1e8;
  --panel: #fffdf8;
  --panel-soft: #f3eadc;
  --line: #d7c7ae;
  --line-strong: #ad9270;
  --text: #24231f;
  --muted: #746957;
  --primary: #20352a;
  --primary-hover: #17271f;
  --accent: #9a6a35;
  --accent-soft: #ead8bd;
  --danger: #9b2f2f;
  --success: #386b42;
  --shadow: 0 18px 44px rgba(54, 43, 27, 0.12);
  font-family: Georgia, "Songti SC", "STSong", serif;
  font-size: 17px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at top left, rgba(138, 104, 66, 0.14), transparent 30%),
    var(--bg);
  color: var(--text);
}

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

.app-shell {
  max-width: 1440px;
  margin: 0 auto;
  padding: 8px 16px 12px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.topbar {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  margin-bottom: 8px;
}

.brand-row {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

h1,
h2 {
  margin: 0;
}

h1 {
  font-size: 1.25rem;
  letter-spacing: 0.01em;
}

h2 {
  font-size: 1.08rem;
}

.subtitle,
.status-text {
  color: var(--muted);
  font-size: 14px;
}

.tabs {
  display: inline-flex;
  gap: 6px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 253, 248, 0.78);
  width: fit-content;
}

.tab-button,
button,
.file-button {
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--text);
  border-radius: 999px;
  padding: 6px 12px;
  cursor: pointer;
  font-size: 14px;
  line-height: 1.2;
  transition:
    background 0.15s ease,
    border-color 0.15s ease,
    color 0.15s ease,
    transform 0.15s ease;
}

button:hover,
.file-button:hover {
  border-color: var(--accent);
  background: var(--panel-soft);
}

.tab-button.is-active,
.primary-button {
  background: var(--primary);
  color: #fffaf2;
  border-color: var(--primary);
}

.primary-button:hover,
.tab-button.is-active:hover {
  background: var(--primary-hover);
  border-color: var(--primary-hover);
}

.tab-panel {
  display: none;
}

.tab-panel.is-active {
  display: block;
}

.card {
  background: rgba(255, 250, 242, 0.94);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 14px;
  box-shadow: var(--shadow);
}

.compact-card {
  padding: 12px;
}

.generate-layout {
  display: grid;
  grid-template-columns: minmax(0, 2.15fr) minmax(300px, 0.85fr);
  gap: 12px;
  align-items: stretch;
}

.composer-card,
.result-card {
  min-height: calc(100vh - 70px);
}

.composer-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.result-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.section-heading {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: flex-start;
}

.compact-heading {
  margin-bottom: 2px;
}

.eyebrow {
  margin: 0 0 2px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.section-note,
.tool-hint,
.subtle-note {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.prompt-field {
  flex: 1;
  min-height: 260px;
}

.prompt-field textarea {
  min-height: 260px;
  height: 100%;
  line-height: 1.6;
}

.composer-tools {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 10px;
}

.template-strip,
.reference-inline-panel {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--panel-soft);
  padding: 10px;
}

.tool-row-header {
  display: flex;
  gap: 8px;
  align-items: flex-end;
  margin-bottom: 8px;
}

.compact-select-field {
  min-width: 118px;
  margin-bottom: 0;
}

.reference-inline-panel {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
  align-items: center;
}

.reference-dropzone {
  border: 1px dashed var(--line-strong);
  border-radius: 12px;
  padding: 10px;
  background: rgba(255, 250, 242, 0.64);
  min-height: 72px;
  display: grid;
  gap: 4px;
  align-content: center;
  color: var(--muted);
}

.reference-dropzone strong {
  color: var(--text);
}

.reference-dropzone.is-dragover {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.reference-actions {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.reference-image-preview {
  width: min(100%, 320px);
  height: 180px;
  object-fit: contain;
  border-radius: 12px;
  border: 1px solid var(--line);
  display: block;
  background: rgba(255, 250, 242, 0.86);
}

.reference-image-preview.hidden {
  display: none;
}

.composer-action-bar {
  display: flex;
  gap: 10px;
  align-items: stretch;
  flex-wrap: wrap;
  padding-top: 2px;
}

.author-info {
  margin-left: auto;
  display: grid;
  align-content: center;
  gap: 2px;
  min-height: 58px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.25;
  text-align: right;
}

.author-info span {
  display: block;
}

.count-field {
  min-width: 88px;
}

.generate-button {
  min-width: 136px;
  padding: 8px 18px;
  align-self: flex-end;
  margin-bottom: 9px;
}

.save-prompt-button {
  min-width: 136px;
  padding: 8px 18px;
  align-self: flex-end;
  margin-bottom: 9px;
}

.action-status {
  margin: 0;
  align-self: center;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 9px;
}

.field span {
  color: var(--muted);
  font-size: 14px;
}

.inline-fields {
  display: flex;
  gap: 10px;
  margin-bottom: 9px;
  flex-wrap: wrap;
}

.tight-fields {
  gap: 8px;
}

.grow {
  flex: 1;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 8px 10px;
  background: rgba(255, 250, 242, 0.86);
  color: var(--text);
  font-size: 15px;
  outline: none;
}

.numeric-control {
  font-family: "Microsoft YaHei", "SimHei", sans-serif;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(138, 104, 66, 0.14);
}

textarea {
  resize: vertical;
}

.actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.connection-summary {
  color: var(--muted);
  font-size: 14px;
  text-align: right;
  line-height: 1.35;
}

.stack-list,
.template-quick-list,
.generation-history-list,
.result-gallery {
  display: grid;
  gap: 7px;
}

.template-quick-list {
  grid-template-columns: repeat(auto-fill, minmax(126px, 1fr));
  max-height: 132px;
  overflow: auto;
}

.list-item,
.quick-template-item,
.history-item,
.history-empty,
.result-item {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 9px;
  background: rgba(255, 250, 242, 0.72);
  font-size: 14px;
}

.quick-template-item {
  display: grid;
  gap: 5px;
}

.quick-template-item p,
.history-item p,
.list-item p {
  margin: 5px 0;
  color: var(--muted);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.history-item.is-active {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.generation-history-list {
  max-height: 220px;
  overflow: auto;
}

.history-empty {
  color: var(--muted);
}

.result-message {
  margin: 0;
  padding: 10px;
  border: 1px dashed var(--line);
  border-radius: 12px;
  background: var(--panel-soft);
}

.result-gallery {
  grid-template-columns: repeat(auto-fill, minmax(132px, 1fr));
  overflow: auto;
}

.result-item img {
  width: 100%;
  display: block;
  border-radius: 10px;
}

.settings-console-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(320px, 0.9fr);
  gap: 10px;
  align-items: start;
}

.connection-status {
  margin: 0;
}

.connection-form-card {
  grid-column: 1;
  display: grid;
  gap: 12px;
}

.saved-config-card {
  display: grid;
  gap: 10px;
}

.prompt-library-card {
  display: grid;
  gap: 6px;
  grid-column: 1 / -1;
}

.connection-fields-grid {
  display: grid;
  grid-template-columns: minmax(260px, 1.4fr) minmax(150px, 0.7fr) minmax(240px, 1fr) auto;
  gap: 10px;
  align-items: end;
}

.primary-actions button,
.primary-actions .file-button {
  padding: 9px 18px;
}

.prompt-library-toolbar {
  display: flex;
  justify-content: space-between;
  gap: 6px;
  flex-wrap: wrap;
}

.category-tools,
.template-tools {
  margin-bottom: 0;
}

.hidden-control {
  display: none;
}

.prompt-library-browser {
  display: grid;
  grid-template-columns: minmax(150px, 0.55fr) minmax(220px, 0.85fr) minmax(0, 1.6fr);
  gap: 6px;
  min-height: 280px;
}

.prompt-category-column,
.prompt-title-column,
.prompt-preview-column {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(255, 250, 242, 0.66);
  padding: 6px;
  overflow: auto;
}

.prompt-category-column,
.prompt-title-column {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.prompt-category-option,
.prompt-title-option {
  border-radius: 10px;
  padding: 7px 9px;
  text-align: left;
  background: transparent;
}

.prompt-category-option.is-active,
.prompt-title-option.is-active {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.prompt-preview-column {
  display: grid;
  align-content: start;
  gap: 6px;
}

.prompt-preview-head {
  display: grid;
  grid-template-columns: minmax(120px, 0.55fr) minmax(180px, 0.8fr) auto;
  gap: 6px;
  align-items: center;
}

.compact-preview-actions {
  flex-wrap: nowrap;
}

#active-template-prompt {
  min-height: 210px;
  resize: vertical;
}

.prompt-preview-column pre {
  margin: 0;
  white-space: pre-wrap;
  line-height: 1.65;
  color: var(--text);
  font: inherit;
}

.prompt-empty-state {
  color: var(--muted);
  font-size: 14px;
}

.template-workbench {
  display: grid;
  grid-template-columns: minmax(240px, 0.72fr) minmax(0, 1.28fr) minmax(320px, 0.9fr);
  gap: 12px;
}

.template-sidebar,
.template-main,
.template-settings-panel {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.template-toolbar {
  display: flex;
  gap: 8px;
  align-items: end;
}

.template-card-list {
  display: grid;
  gap: 8px;
  max-height: 62vh;
  overflow: auto;
}

.template-card-item {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 10px;
  background: rgba(255, 250, 242, 0.72);
}

.template-card-item.is-editing {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.template-card-head {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  align-items: center;
}

.inline-editor {
  display: grid;
  gap: 8px;
  margin-top: 8px;
}

.template-category-toolbar {
  display: grid;
  grid-template-columns: minmax(150px, 0.8fr) minmax(180px, 1fr) auto;
  gap: 8px;
  align-items: end;
}

.category-chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.category-chip-list .list-item {
  padding: 6px 8px;
}

.category-chip-list .actions {
  gap: 5px;
  margin-top: 6px;
}

.category-chip-list .actions button {
  padding: 4px 8px;
  font-size: 13px;
}


.api-key-row,
.saved-config-row {
  display: flex;
  gap: 10px;
  align-items: flex-end;
  margin-bottom: 9px;
}

.connection-card {
  padding: 10px 12px;
}

.connection-card .compact-heading {
  margin-bottom: 6px;
}

.settings-grid {
  display: grid;
  grid-template-columns: minmax(260px, 1.5fr) minmax(140px, 0.8fr) minmax(240px, 1.2fr) auto;
  gap: 8px;
  align-items: flex-end;
  margin-bottom: 7px;
}

.connection-card .field {
  margin-bottom: 0;
}

.connection-card .actions {
  gap: 6px;
  margin-bottom: 7px;
}

.connection-card .subtle-note {
  font-size: 13px;
  line-height: 1.35;
}

.compact-saved-config-row {
  margin-bottom: 6px;
}

.settings-checkbox {
  padding-bottom: 7px;
}

.saved-config-actions {
  padding-bottom: 2px;
}

.checkbox-field {
  display: flex;
  align-items: center;
  gap: 6px;
}

.inline-checkbox {
  white-space: nowrap;
  padding-bottom: 4px;
  font-size: 15px;
}

.inline-checkbox input[type="checkbox"] {
  width: auto;
  margin: 0;
}

.file-button {
  display: inline-flex;
  align-items: center;
}

button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.image-preview-overlay {
  position: fixed;
  inset: 0;
  background: rgba(35, 37, 31, 0.72);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.image-preview-overlay.hidden {
  display: none;
}

.image-preview-dialog {
  max-width: min(92vw, 1100px);
  max-height: 92vh;
  background: var(--panel);
  border-radius: 20px;
  padding: 16px;
  box-shadow: var(--shadow);
}

.image-preview-dialog img {
  max-width: 100%;
  max-height: calc(92vh - 72px);
  display: block;
  border-radius: 12px;
}

.close-preview-button {
  margin-bottom: 12px;
}

@media (max-width: 1000px) {
  .generate-layout,
  .settings-console-layout,
  .connection-fields-grid,
  .prompt-library-browser,
  .template-settings-layout,
  .composer-tools,
  .settings-grid,
  .template-category-toolbar {
    grid-template-columns: 1fr;
  }

  .connection-form-card,
  .prompt-library-card {
    grid-column: 1;
  }

  .connection-hero {
    flex-direction: column;
    align-items: flex-start;
  }

  .connection-status {
    text-align: left;
  }

  .composer-card,
  .result-card {
    min-height: auto;
  }

  .topbar,
  .brand-row {
    flex-direction: column;
    align-items: flex-start;
  }

  .connection-summary {
    text-align: left;
  }

  .author-info {
    margin-left: 0;
    text-align: left;
    width: 100%;
  }
}

@media (max-width: 640px) {
  .app-shell {
    padding: 6px;
  }

  .topbar,
  .brand-row,
  .tabs,
  .composer-action-bar,
  .actions,
  .primary-actions,
  .saved-config-actions,
  .prompt-library-toolbar,
  .reference-actions {
    width: 100%;
  }

  .tabs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    border-radius: 16px;
  }

  .tab-button,
  button,
  .file-button {
    padding: 7px 9px;
    text-align: center;
  }

  .card {
    border-radius: 14px;
    padding: 9px;
  }

  .composer-action-bar {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
  }

  .generate-button,
  .save-prompt-button {
    width: 100%;
    min-width: 0;
    margin-bottom: 0;
  }

  .action-status,
  .author-info {
    grid-column: 1 / -1;
  }

  .prompt-field {
    min-height: 180px;
  }

  .prompt-field textarea {
    min-height: 180px;
  }

  .template-quick-list,
  .generation-history-list {
    max-height: 150px;
  }

  .reference-inline-panel {
    grid-template-columns: 1fr;
  }

  .reference-actions,
  .primary-actions,
  .saved-config-actions,
  .prompt-library-toolbar {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 6px;
  }

  .reference-image-preview {
    width: 100%;
    height: 140px;
  }

  .prompt-category-column,
  .prompt-title-column {
    max-height: 150px;
  }

  .prompt-preview-column {
    max-height: 260px;
  }

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

  #active-template-prompt {
    min-height: 150px;
  }

  .result-gallery {
    grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
  }
}