:root {
  color-scheme: light;
  --bg: #eef1f0;
  --surface: #ffffff;
  --surface-soft: #f6f7f5;
  --border: #d9dfdc;
  --border-strong: #bdc8c3;
  --text: #17211d;
  --muted: #65716b;
  --accent: #176b60;
  --accent-strong: #0d5148;
  --accent-soft: #e2f1ed;
  --accent-line: #94c4ba;
  --danger: #c0354b;
  --danger-strong: #98253a;
  --danger-soft: #fff0f3;
  --warning: #9f4a20;
  --shadow: 0 12px 32px rgba(23, 33, 29, .09);
  --shadow-soft: 0 4px 14px rgba(23, 33, 29, .07);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: Inter, "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 15px;
}

button,
input,
select {
  font: inherit;
}

.icon-sprite {
  display: none;
}

.icon {
  width: 18px;
  height: 18px;
  flex: 0 0 auto;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.app-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 82px;
  padding: 14px 26px;
  border-bottom: 1px solid var(--border);
  background: rgba(255, 255, 255, .94);
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 10px rgba(23, 33, 29, .05);
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.brand-image {
  width: 116px;
  height: 48px;
  object-fit: contain;
  flex: 0 0 auto;
}

.brand h1 {
  margin: 0;
  font-size: 21px;
  line-height: 1.15;
  font-weight: 800;
}

.brand p {
  margin: 3px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.header-status {
  min-height: 32px;
  max-width: 420px;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface-soft);
  color: var(--muted);
  font-size: 13px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.workspace {
  display: grid;
  grid-template-columns: minmax(320px, 390px) minmax(0, 1fr);
  gap: 20px;
  max-width: 1460px;
  margin: 0 auto;
  padding: 20px;
}

.controls-panel,
.preview-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.controls-panel {
  padding: 18px;
  align-self: start;
  position: sticky;
  top: 102px;
}

.preview-panel {
  min-width: 0;
  overflow: hidden;
}

.control-section {
  padding-bottom: 18px;
  margin-bottom: 18px;
  border-bottom: 1px solid var(--border);
}

.control-section:last-of-type {
  margin-bottom: 0;
}

.control-section h2 {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 12px;
  font-size: 13px;
  line-height: 1.2;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--muted);
}

.control-section h2::before {
  content: "";
  width: 4px;
  height: 16px;
  border-radius: 2px;
  background: var(--accent);
}

.advanced-details {
  margin-top: 12px;
}

.control-section.advanced-details {
  padding-bottom: 16px;
}

.advanced-details summary {
  min-height: 40px;
  display: flex;
  align-items: center;
  color: var(--accent-strong);
  cursor: pointer;
  font-size: 13px;
  font-weight: 800;
  list-style-position: inside;
  padding: 0 2px;
}

.advanced-details[open] summary {
  margin-bottom: 10px;
}

.mode-switch {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
  min-height: 44px;
  margin-bottom: 14px;
  padding: 4px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface-soft);
}

.mode-button {
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-weight: 800;
}

.mode-button.is-active {
  background: #fff;
  color: var(--accent-strong);
  box-shadow: var(--shadow-soft);
}

.mode-panel.is-hidden {
  display: none;
}

.dropzone {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 96px;
  width: 100%;
  border: 1px dashed #95aaa1;
  border-radius: 8px;
  background: var(--accent-soft);
  color: var(--accent-strong);
  cursor: pointer;
  font-weight: 700;
  box-shadow: inset 0 0 0 1px rgba(23, 107, 96, .06);
}

.dropzone.is-dragover {
  border-color: var(--accent);
  background: #dceee8;
}

.file-meta,
.logo-name,
.status-line {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.35;
}

.file-meta {
  min-height: 38px;
  margin: 10px 0;
  overflow-wrap: anywhere;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface-soft);
}

.stock-filter-panel {
  display: grid;
  gap: 8px;
  margin: 0 0 10px;
  padding: 10px;
  border: 1px solid var(--accent-line);
  border-radius: 8px;
  background: var(--accent-soft);
  color: var(--accent-strong);
  font-size: 13px;
  line-height: 1.35;
}

.stock-filter-panel.is-hidden {
  display: none;
}

.stock-filter-summary {
  font-weight: 800;
}

.stock-filter-column {
  color: var(--muted);
  overflow-wrap: anywhere;
}

.stock-excluded-details {
  margin-top: 2px;
}

.stock-excluded-details summary {
  min-height: 32px;
  display: flex;
  align-items: center;
  cursor: pointer;
  font-weight: 800;
  list-style-position: inside;
}

.stock-excluded-list {
  display: grid;
  gap: 5px;
  max-height: 170px;
  margin: 0 0 10px;
  padding: 0 0 0 18px;
  overflow: auto;
  color: var(--text);
}

.stock-excluded-list li {
  overflow-wrap: anywhere;
}

.field {
  display: grid;
  gap: 6px;
  margin-bottom: 12px;
  color: var(--muted);
  font-size: 13px;
}

.field-spaced {
  margin-top: 14px;
}

select,
.field input,
.manual-field input {
  width: 100%;
  min-height: 38px;
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  background: #fff;
  color: var(--text);
  padding: 7px 10px;
}

.field input::placeholder,
.manual-field input::placeholder {
  color: #9aa39d;
}

.hidden-select {
  display: none;
}

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

.store-button {
  min-height: 48px;
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  background: #fff;
  color: var(--text);
  cursor: pointer;
  font-weight: 800;
  box-shadow: 0 1px 0 rgba(23, 33, 29, .04);
}

.store-button.is-active {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--accent-strong);
  box-shadow: inset 0 0 0 1px var(--accent), var(--shadow-soft);
}

body.sale-active .store-button.is-active {
  border-color: var(--danger);
  background: var(--danger-soft);
  color: var(--danger-strong);
  box-shadow: inset 0 0 0 1px var(--danger), var(--shadow-soft);
}

.store-button[data-store="none"] {
  grid-column: 1 / -1;
}

.manual-products {
  display: grid;
  gap: 12px;
  margin-bottom: 12px;
}

.manual-product-card {
  display: grid;
  gap: 10px;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 1px 0 rgba(23, 33, 29, .04);
}

.manual-product-card.has-errors {
  border-color: #c43d3d;
}

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

.manual-product-title {
  font-size: 12px;
  font-weight: 800;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .05em;
}

.manual-product-actions {
  display: flex;
  gap: 6px;
  flex: 0 0 auto;
}

.manual-variants {
  display: grid;
  gap: 8px;
}

.manual-variant-row {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(76px, .8fr) minmax(76px, .8fr) 38px;
  gap: 8px;
  align-items: end;
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface-soft);
}

.manual-variant-row.has-errors {
  border-color: var(--danger);
  background: var(--danger-soft);
}

.manual-field {
  display: grid;
  gap: 5px;
  min-width: 0;
  color: var(--muted);
  font-size: 12px;
}

.manual-field span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.manual-error,
.manual-variant-error {
  display: none;
  color: var(--danger-strong);
  font-size: 12px;
  line-height: 1.25;
}

.manual-error.is-visible,
.manual-variant-error.is-visible {
  display: block;
}

.manual-variant-error {
  grid-column: 1 / -1;
}

.field input.is-invalid,
.manual-field input.is-invalid {
  border-color: var(--danger);
  background: var(--danger-soft);
  box-shadow: inset 0 0 0 1px rgba(192, 53, 75, .35);
}

.sale-banner {
  display: none;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  margin: 8px 0;
  border: 1px solid var(--danger);
  border-radius: 8px;
  background: var(--danger-soft);
  color: var(--danger-strong);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: .08em;
}

body.sale-active .sale-banner {
  display: flex;
}

.check-row {
  display: flex;
  align-items: center;
  gap: 9px;
  min-height: 34px;
  cursor: pointer;
}

.check-row input {
  width: 17px;
  height: 17px;
  accent-color: var(--accent);
}

.logo-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 38px;
  gap: 8px;
  margin-top: 8px;
}

.logo-name {
  min-height: 22px;
  padding: 5px 0 2px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.button,
.icon-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 38px;
  border: 1px solid transparent;
  border-radius: 8px;
  padding: 8px 12px;
  cursor: pointer;
  font-weight: 700;
  transition: background-color .12s ease, border-color .12s ease, color .12s ease, box-shadow .12s ease;
}

.button:disabled,
.icon-button:disabled {
  cursor: not-allowed;
  opacity: .48;
}

.button.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  min-height: 44px;
  font-size: 16px;
  box-shadow: var(--shadow-soft);
}

.button.primary:hover:not(:disabled) {
  background: var(--accent-strong);
}

body.sale-active .button.primary {
  background: var(--danger);
  border-color: var(--danger);
}

body.sale-active .button.primary:hover:not(:disabled) {
  background: var(--danger-strong);
}

.button.secondary,
.icon-button {
  background: #fff;
  border-color: var(--border-strong);
  color: var(--text);
}

.button.secondary:hover:not(:disabled),
.icon-button:hover:not(:disabled) {
  background: var(--surface-soft);
}

.button.full {
  width: 100%;
}

.actions {
  display: grid;
  gap: 10px;
  padding-top: 4px;
}

.action-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.preview-search {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}

.preview-search input {
  width: 100%;
  min-height: 38px;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 7px 10px;
}

.preview-nav {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}

.preview-counter {
  min-width: 88px;
  text-align: center;
  color: var(--muted);
  font-weight: 800;
}

.summary-bar {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--border);
  border-bottom: 1px solid var(--border);
}

.summary-bar > div {
  min-width: 0;
  padding: 14px 16px;
  background: var(--surface);
}

.metric-label {
  display: block;
  margin-bottom: 4px;
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .06em;
}

.summary-bar strong {
  display: block;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 21px;
}

.preview-stage {
  position: relative;
  min-height: 690px;
  padding: 22px;
  background:
    linear-gradient(90deg, rgba(31, 36, 33, .05) 1px, transparent 1px),
    linear-gradient(rgba(31, 36, 33, .05) 1px, transparent 1px),
    #eceee7;
  background-size: 24px 24px;
}

#previewFrame {
  display: block;
  width: min(100%, 480px);
  aspect-ratio: 105 / 148;
  height: auto;
  margin: 0 auto;
  border: 0;
  border-radius: 4px;
  background: #fff;
  box-shadow: 0 12px 35px rgba(32, 36, 33, .18);
}

.empty-preview {
  position: absolute;
  inset: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  color: var(--muted);
  pointer-events: none;
}

.empty-preview.is-hidden {
  display: none;
}

.status-line {
  min-height: 44px;
  padding: 13px 16px;
  border-top: 1px solid var(--border);
  background: var(--surface);
  overflow-wrap: anywhere;
}

.status-line.is-error {
  color: var(--warning);
}

@media (max-width: 940px) {
  .app-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .header-status {
    width: 100%;
    max-width: none;
  }

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

  .controls-panel {
    position: static;
  }

  .preview-stage {
    min-height: 560px;
  }
}

@media (max-width: 560px) {
  .app-header,
  .workspace {
    padding-left: 12px;
    padding-right: 12px;
  }

  .brand-image {
    width: 64px;
  }

  .summary-bar {
    grid-template-columns: 1fr;
  }

  .manual-variant-row {
    grid-template-columns: 1fr 1fr 38px;
  }

  .manual-field:first-child {
    grid-column: 1 / -1;
  }

  .preview-stage {
    min-height: 480px;
    padding: 14px;
  }

  .empty-preview {
    inset: 14px;
  }
}