:root {
  --bg: #f4efe8;
  --paper: #fffaf5;
  --paper-strong: #ffffff;
  --ink: #2d2019;
  --muted: #786760;
  --line: rgba(92, 63, 51, 0.14);
  --accent: #d76f5d;
  --accent-strong: #bf5646;
  --accent-soft: #fff0ea;
  --good: #2f7a51;
  --danger: #b94f43;
  --shadow: 0 18px 42px rgba(73, 46, 38, 0.1);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(255, 255, 255, 0.88), transparent 28%),
    linear-gradient(180deg, #faf5ef 0%, #f4efe8 100%);
  font-family: "Avenir Next", "PingFang SC", "Microsoft YaHei", sans-serif;
}

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

.app-shell {
  width: min(1400px, calc(100vw - 32px));
  margin: 24px auto 40px;
}

.hero-card,
.panel,
.footer-bar {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: var(--shadow);
}

.hero-card {
  display: grid;
  gap: 18px;
  padding: 28px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.97), rgba(255, 242, 236, 0.98)),
    var(--paper);
}

.hero-copy h1 {
  margin: 0;
  font-size: clamp(30px, 4vw, 44px);
  line-height: 1.02;
}

.hero-copy p:last-child {
  margin: 14px 0 0;
  max-width: 760px;
  color: var(--muted);
  line-height: 1.65;
}

.eyebrow,
.panel-kicker {
  margin: 0 0 8px;
  color: var(--accent-strong);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.hero-actions,
.panel-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.status-line {
  margin: 0;
  min-height: 22px;
  color: var(--muted);
  font-size: 14px;
  padding: 10px 12px;
  border-radius: 12px;
  background: rgba(118, 103, 96, 0.08);
  border: 1px solid transparent;
}

.status-line.is-success {
  color: var(--good);
  background: rgba(47, 122, 81, 0.1);
  border-color: rgba(47, 122, 81, 0.2);
}

.status-line.is-error {
  color: var(--danger);
  background: rgba(185, 79, 67, 0.1);
  border-color: rgba(185, 79, 67, 0.22);
}

.status-line.is-pending {
  color: #8a5b25;
  background: rgba(218, 161, 78, 0.14);
  border-color: rgba(179, 127, 47, 0.22);
}

.layout-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(360px, 0.8fr);
  gap: 18px;
  margin-top: 18px;
}

.layout-main,
.layout-side {
  display: grid;
  gap: 18px;
  align-content: start;
}

.panel {
  padding: 22px;
}

.panel-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 18px;
}

.panel h2 {
  margin: 0;
  font-size: 24px;
  line-height: 1.1;
}

.panel-note {
  margin: 0;
  max-width: 360px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.55;
}

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

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

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

.field.is-hidden {
  display: none;
}

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

.field span {
  font-size: 13px;
  font-weight: 700;
}

input,
textarea,
select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--paper-strong);
  padding: 13px 15px;
  color: var(--ink);
}

textarea {
  resize: vertical;
  min-height: 110px;
  line-height: 1.55;
}

#optionGroups {
  min-height: 300px;
  font-family: "SFMono-Regular", "Menlo", monospace;
  font-size: 13px;
}

input:focus,
textarea:focus,
select:focus {
  outline: 2px solid rgba(215, 111, 93, 0.2);
  border-color: rgba(215, 111, 93, 0.55);
}

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

.builder-stack {
  display: grid;
  gap: 18px;
}

.builder-section {
  padding: 16px;
  border-radius: 18px;
  border: 1px solid rgba(92, 63, 51, 0.12);
  background: linear-gradient(180deg, #fff, #fff9f4);
}

.builder-section__head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 14px;
}

.builder-section__head h3 {
  margin: 0;
  font-size: 20px;
}

.builder-section__kicker {
  margin: 0 0 6px;
  color: var(--accent-strong);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.repeat-row {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr)) 92px;
  gap: 12px;
  padding: 14px;
  border: 1px solid rgba(92, 63, 51, 0.12);
  border-radius: 18px;
  background: linear-gradient(180deg, #fff, #fff9f4);
}

.repeat-row--trust {
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr) 92px;
  align-items: start;
}

.repeat-row--size {
  grid-template-columns: minmax(0, 0.7fr) minmax(0, 1fr) minmax(0, 0.7fr) minmax(0, 1.2fr) 92px;
  align-items: start;
}

.mode-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.mode-card {
  display: grid;
  gap: 12px;
  padding: 16px;
  border-radius: 18px;
  border: 1px solid rgba(92, 63, 51, 0.12);
  background: #fff;
}

.mode-card__head {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: flex-start;
}

.mode-card__head strong {
  display: block;
  font-size: 16px;
}

.mode-card__eyebrow {
  margin: 0 0 4px;
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.mode-card__badge,
.pricing-group-card__note {
  display: inline-flex;
  align-items: center;
  padding: 6px 10px;
  border-radius: 999px;
  background: #f6eee9;
  color: #7f6055;
  font-size: 11px;
  font-weight: 700;
  white-space: nowrap;
}

.option-pricing-stack {
  display: grid;
  gap: 14px;
}

.pricing-group-card {
  padding: 14px;
  border-radius: 18px;
  border: 1px solid rgba(92, 63, 51, 0.12);
  background: #fff;
}

.pricing-group-card__head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: flex-start;
  margin-bottom: 12px;
}

.pricing-group-card__head h4 {
  margin: 0;
  font-size: 18px;
}

.pricing-item-list {
  display: grid;
  gap: 10px;
}

.pricing-item {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr) 110px;
  gap: 12px;
  align-items: center;
  padding: 10px;
  border-radius: 16px;
  border: 1px solid rgba(92, 63, 51, 0.1);
  background: linear-gradient(180deg, #fff, #fffaf5);
}

.pricing-item__media {
  width: 72px;
  height: 72px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  border: 1px solid rgba(92, 63, 51, 0.12);
  background: #fff;
  overflow: hidden;
}

.pricing-item__media img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.pricing-item__media-empty {
  color: var(--muted);
  font-size: 11px;
  text-align: center;
  padding: 8px;
}

.pricing-item__title {
  font-size: 15px;
  font-weight: 800;
}

.pricing-item__meta {
  margin-top: 4px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.45;
}

.pricing-item__field {
  display: grid;
  gap: 6px;
}

.pricing-item__field span {
  font-size: 12px;
  font-weight: 700;
}

.summary-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-end;
}

.form-hint {
  margin: 0 0 12px;
  padding: 10px 12px;
  border-radius: 12px;
  background: #fff4db;
  border: 1px solid rgba(180, 131, 49, 0.22);
  color: #8a5b25;
  font-size: 13px;
  line-height: 1.5;
}

.editing-state {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid rgba(92, 63, 51, 0.14);
  background: #fff;
}

.editing-state.is-empty {
  background: #fff9f4;
}

.editing-state.is-empty button {
  visibility: hidden;
}

.summary-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: #8e4f44;
  font-size: 12px;
  font-weight: 700;
}

.catalog-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.catalog-card,
.empty-state {
  border: 1px solid rgba(92, 63, 51, 0.12);
  border-radius: 18px;
  background: linear-gradient(180deg, #fff, #fff9f4);
}

.catalog-card {
  display: grid;
  gap: 10px;
  padding: 12px;
  text-align: left;
  cursor: pointer;
}

.catalog-card.is-active {
  border-color: rgba(215, 111, 93, 0.55);
  box-shadow: 0 14px 26px rgba(191, 86, 70, 0.18);
  transform: translateY(-1px);
}

.catalog-card:hover {
  border-color: rgba(215, 111, 93, 0.35);
  box-shadow: 0 10px 22px rgba(73, 46, 38, 0.08);
}

.catalog-card img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: contain;
  border-radius: 14px;
  background: #fff;
  border: 1px solid rgba(92, 63, 51, 0.1);
}

.catalog-card__meta {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
}

.catalog-card__title {
  margin: 0;
  font-size: 15px;
  font-weight: 800;
}

.catalog-card__section {
  display: inline-flex;
  width: fit-content;
  padding: 5px 9px;
  border-radius: 999px;
  background: #f4ece8;
  color: #786760;
  font-size: 11px;
  font-weight: 700;
}

.manifest-tools {
  display: grid;
  grid-template-columns: 1fr 200px auto;
  gap: 10px;
  margin-bottom: 10px;
  align-items: end;
}

.manifest-filter-stat {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 13px;
}

.catalog-preview {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr);
  gap: 12px;
  margin-top: 12px;
  padding: 12px;
  border-radius: 16px;
  border: 1px solid rgba(92, 63, 51, 0.14);
  background: #fff;
}

.catalog-preview.is-empty {
  background: #fff9f4;
}

.catalog-preview__media {
  display: grid;
  place-items: center;
  border-radius: 12px;
  border: 1px dashed rgba(92, 63, 51, 0.22);
  background: #fff;
  min-height: 108px;
  color: var(--muted);
  text-align: center;
  font-size: 12px;
  padding: 10px;
}

.catalog-preview__media img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.catalog-preview__title {
  margin: 0;
  font-size: 15px;
  font-weight: 800;
}

.catalog-preview__meta {
  margin: 6px 0 0;
  font-size: 12px;
  color: var(--muted);
  line-height: 1.4;
}

.empty-state {
  grid-column: 1 / -1;
  padding: 22px;
  color: var(--muted);
  text-align: center;
  line-height: 1.6;
}

.advanced-panel summary {
  cursor: pointer;
  font-weight: 800;
  font-size: 16px;
}

.advanced-panel[open] summary {
  margin-bottom: 14px;
}

.footer-bar {
  margin-top: 18px;
  padding: 18px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.footer-hint {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.5;
}

.footer-hint code {
  background: #f5ebe6;
  border-radius: 6px;
  padding: 2px 6px;
}

.primary-button,
.ghost-button,
.danger-button {
  border: 0;
  border-radius: 999px;
  padding: 12px 18px;
  cursor: pointer;
}

.primary-button {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-strong) 100%);
  color: #fff;
  font-weight: 800;
}

.ghost-button {
  background: #fff;
  color: var(--ink);
  border: 1px solid var(--line);
}

.danger-button {
  align-self: end;
  background: #fff0ee;
  color: var(--danger);
  border: 1px solid rgba(185, 79, 67, 0.16);
  font-weight: 700;
}

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

@media (max-width: 1180px) {
  .layout-grid {
    grid-template-columns: 1fr;
  }

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

  .manifest-tools {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 840px) {
  .app-shell {
    width: min(100vw - 20px, 1400px);
    margin: 16px auto 28px;
  }

  .panel,
  .hero-card,
  .footer-bar {
    padding: 18px;
    border-radius: 20px;
  }

  .form-grid,
  .form-grid--catalog,
  .repeat-row,
  .repeat-row--trust,
  .repeat-row--size,
  .catalog-grid,
  .catalog-preview,
  .mode-grid,
  .pricing-item {
    grid-template-columns: 1fr;
  }

  .danger-button {
    align-self: stretch;
  }

  .footer-bar,
  .panel-head,
  .builder-section__head,
  .pricing-group-card__head {
    flex-direction: column;
  }

  .summary-chips {
    justify-content: flex-start;
  }
}