:root {
  --green: #0C7C59;
  --black: #111;
  --gray: #f4f5f7;
  --border: #e5e7eb;
  --text: #1f2937;
  --muted: #6b7280;
  --danger: #b91c1c;
  --danger-bg: #fee2e2;
  --warning: #92400e;
  --warning-bg: #fff7ed;
  --success: #047857;
  --success-bg: #e7f8f1;
  --blue: #1d4ed8;
  --blue-bg: #eff6ff;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: #fafafa;
  color: var(--text);
}

.container {
  padding: 24px 28px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 16px;
  margin-bottom: 18px;
}

.hero-card,
.stat,
.compare-card,
.modal,
.preview-section,
.image-column,
.sync-option,
.manual-card {
  background: #fff;
  border: 1px solid var(--border);
}

.hero-card {
  border-radius: 18px;
  padding: 20px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, .04);
}

.hero-card h2 {
  margin: 0 0 8px;
  font-size: 20px;
}

.hero-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.5;
  font-size: 14px;
}

.toolbar {
  display: grid;
  grid-template-columns: 190px minmax(240px, 1fr) 180px 210px 120px 130px;
  gap: 12px;
  margin-bottom: 18px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 14px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, .03);
}

select,
input,
button {
  height: 42px;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0 12px;
  font-size: 14px;
  background: #fff;
}

button {
  background: var(--green);
  color: white;
  border: none;
  cursor: pointer;
  font-weight: 700;
}

button.secondary {
  background: var(--black);
}

button.danger {
  background: var(--danger);
}

button:disabled {
  opacity: .6;
  cursor: not-allowed;
}

.hidden {
  display: none !important;
}

.helper-text {
  color: var(--muted);
  font-size: 12px;
  margin-top: 3px;
}

.stats {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 12px;
  margin-bottom: 18px;
}

.stat {
  border-radius: 14px;
  padding: 14px;
}

.stat strong {
  display: block;
  font-size: 22px;
  margin-bottom: 4px;
}

.stat span {
  color: var(--muted);
  font-size: 12px;
}

.pagination-bar,
.bulk-bar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 12px 14px;
  margin-bottom: 18px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, .05);
}

.pagination-actions,
.bulk-actions,
.preview-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
}

.cards {
  display: grid;
  gap: 14px;
}

.compare-card {
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 10px 25px rgba(0, 0, 0, .04);
}

.compare-card.alert-price {
  border-color: #fecaca;
}

.compare-card.alert-variant {
  border-color: #fed7aa;
}

.compare-card.alert-duplicate {
  border-color: #fde68a;
}

.compare-header {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.card-left {
  display: flex;
  align-items: center;
  gap: 10px;
}

.card-check {
  width: 18px;
  height: 18px;
}

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

.badge {
  display: inline-flex;
  align-items: center;
  padding: 5px 9px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 800;
  background: var(--success-bg);
  color: var(--success);
  white-space: nowrap;
}

.badge.danger {
  background: var(--danger-bg);
  color: var(--danger);
}

.badge.warning {
  background: var(--warning-bg);
  color: var(--warning);
}

.badge.blue {
  background: var(--blue-bg);
  color: var(--blue);
}

.badge.gray {
  background: var(--gray);
  color: var(--muted);
}

.compare-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.product-side {
  padding: 16px;
  border-right: 1px solid var(--border);
}

.product-side:last-child {
  border-right: none;
}

.side-label {
  font-size: 12px;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 800;
  letter-spacing: .05em;
  margin-bottom: 10px;
}

.product-main {
  display: grid;
  grid-template-columns: 74px 1fr;
  gap: 12px;
  align-items: start;
}

.product-img {
  width: 74px;
  height: 74px;
  border: 1px solid var(--border);
  border-radius: 12px;
  object-fit: contain;
  background: #fff;
}

.product-title {
  font-size: 15px;
  font-weight: 800;
  margin-bottom: 4px;
}

.product-meta {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.45;
}

.product-meta a {
  color: var(--green);
  text-decoration: none;
}

.price-row {
  margin-top: 12px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
}

.price-box {
  background: var(--gray);
  border-radius: 12px;
  padding: 10px;
}

.price-box span {
  display: block;
  font-size: 11px;
  color: var(--muted);
  margin-bottom: 4px;
}

.price-box strong {
  display: block;
  font-size: 15px;
}

.variant-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 12px;
}

.variant-pill {
  display: inline-flex;
  align-items: center;
  padding: 5px 8px;
  border-radius: 999px;
  font-size: 12px;
  background: var(--gray);
  color: var(--text);
  border: 1px solid var(--border);
}

.variant-pill.missing {
  background: var(--warning-bg);
  color: var(--warning);
  border-color: #fed7aa;
}

.variant-pill.shared {
  background: var(--success-bg);
  color: var(--success);
  border-color: #bbf7d0;
}

.variant-pill.own-only {
  background: var(--blue-bg);
  color: var(--blue);
  border-color: #bfdbfe;
}

.compare-footer {
  padding: 12px 16px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  background: #fcfcfc;
}

.diff-text {
  font-size: 13px;
  color: var(--muted);
}

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

.empty {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 30px;
  text-align: center;
  color: var(--muted);
}

.empty button {
  margin-top: 12px;
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, .45);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 200;
  padding: 24px;
}

.modal-backdrop.open {
  display: flex;
}

.modal {
  width: 1160px;
  max-width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  border-radius: 18px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, .25);
}

.sync-modal {
  width: 1420px;
}

.modal-header {
  padding: 18px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: flex-start;
  position: sticky;
  top: 0;
  background: #fff;
  z-index: 5;
}

.modal-header h2 {
  margin: 0;
  font-size: 20px;
}

.modal-subtitle {
  color: var(--muted);
  font-size: 13px;
  margin-top: 4px;
}

.modal-body {
  padding: 20px;
}

.modal-footer {
  padding: 16px 20px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  flex-wrap: wrap;
  position: sticky;
  bottom: 0;
  background: #fff;
}

.sync-options {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin: 14px 0 18px;
}

.sync-option {
  border-radius: 14px;
  padding: 14px;
  cursor: pointer;
}

.sync-option input {
  width: 18px;
  height: 18px;
  margin-right: 8px;
  vertical-align: middle;
}

.sync-option strong {
  display: block;
  margin-top: 8px;
}

.sync-option span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.4;
  margin-top: 6px;
}

.warning-box,
.success-box,
.bulk-progress-box {
  border-radius: 14px;
  padding: 14px;
  font-size: 13px;
  line-height: 1.45;
  margin: 14px 0;
  white-space: pre-wrap;
}

.warning-box {
  background: var(--warning-bg);
  color: var(--warning);
  border: 1px solid #fed7aa;
}

.success-box {
  background: var(--success-bg);
  color: var(--success);
  border: 1px solid #bbf7d0;
}

.bulk-progress-box {
  background: var(--blue-bg);
  color: var(--blue);
  border: 1px solid #bfdbfe;
}

.preview-section {
  border-radius: 18px;
  padding: 16px;
  margin-top: 16px;
}

.preview-section h3 {
  margin: 0 0 10px;
  font-size: 16px;
  color: var(--black);
}

.image-compare-grid {
  display: grid;
  grid-template-columns: 1fr 70px 1fr;
  gap: 12px;
  align-items: start;
}

.image-column {
  border-radius: 16px;
  background: var(--gray);
  padding: 12px;
}

.image-column h4 {
  margin: 0 0 10px;
  font-size: 13px;
  color: var(--black);
}

.image-mini-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.image-mini {
  height: 92px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: #fff;
  padding: 6px;
  position: relative;
}

.image-mini img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.image-mini span {
  position: absolute;
  left: 5px;
  bottom: 5px;
  background: rgba(0,0,0,.65);
  color: #fff;
  font-size: 10px;
  border-radius: 999px;
  padding: 3px 6px;
}

.arrow-col {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 140px;
  font-size: 28px;
  color: var(--green);
  font-weight: 900;
}

.variant-preview-grid {
  display: grid;
  gap: 10px;
}

.variant-preview-row {
  display: grid;
  grid-template-columns: 1fr 70px 1.35fr;
  gap: 12px;
  align-items: center;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 10px;
  background: #fff;
}

.variant-img-card {
  display: grid;
  grid-template-columns: 70px 1fr;
  gap: 10px;
  align-items: center;
  background: var(--gray);
  border-radius: 12px;
  padding: 8px;
  min-height: 86px;
}

.variant-img-card img {
  width: 70px;
  height: 70px;
  object-fit: contain;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: #fff;
  padding: 4px;
}

.variant-img-card strong {
  display: block;
  font-size: 13px;
  color: var(--black);
  margin-bottom: 4px;
}

.variant-img-card span {
  display: block;
  font-size: 12px;
  color: var(--muted);
  line-height: 1.35;
}

.image-choice-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 8px;
  margin-top: 10px;
}

/* Wrapper necesario para el botón de zoom (no se pueden anidar buttons) */
.image-choice-wrap {
  position: relative;
  display: flex;
  flex-direction: column;
}

.image-choice {
  border: 1px solid var(--border);
  background: #fff;
  border-radius: 12px;
  padding: 6px;
  height: auto;
  min-height: 102px;
  cursor: pointer;
  color: var(--text);
  display: flex;
  flex-direction: column;
  gap: 5px;
  width: 100%;
}

.image-choice.selected {
  border: 2px solid var(--green);
  box-shadow: 0 0 0 3px rgba(12, 124, 89, .12);
}

.image-choice img {
  width: 100%;
  height: 68px;
  object-fit: contain;
}

.image-choice span {
  font-size: 10px;
  color: var(--muted);
  line-height: 1.2;
}

.manual-search-row {
  display: grid;
  grid-template-columns: 1fr 130px;
  gap: 10px;
  margin-bottom: 14px;
}

.manual-results {
  display: grid;
  gap: 10px;
}

.manual-card {
  display: grid;
  grid-template-columns: 70px 1fr auto;
  gap: 12px;
  align-items: center;
  border-radius: 14px;
  padding: 10px;
}

.manual-card img {
  width: 70px;
  height: 70px;
  object-fit: contain;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: #fff;
}

.manual-card-title {
  font-weight: 800;
  font-size: 14px;
  margin-bottom: 4px;
}

.manual-card-meta {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.4;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 12px;
}

th,
td {
  padding: 9px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  font-size: 12px;
  vertical-align: middle;
}

th {
  color: var(--muted);
  background: var(--gray);
  text-transform: uppercase;
  letter-spacing: .04em;
  font-size: 11px;
}

@media (max-width: 1200px) {
  .toolbar {
    grid-template-columns: 1fr 1fr;
  }

  .stats,
  .sync-options {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero-grid,
  .compare-body,
  .image-compare-grid,
  .variant-preview-row {
    grid-template-columns: 1fr;
  }

  .arrow-col {
    min-height: auto;
    transform: rotate(90deg);
  }

  .product-side {
    border-right: none;
    border-bottom: 1px solid var(--border);
  }

  .product-side:last-child {
    border-bottom: none;
  }

  .image-choice-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 650px) {
  .toolbar,
  .stats,
  .sync-options,
  .manual-search-row {
    grid-template-columns: 1fr;
  }

  .container {
    padding: 18px;
  }

  .bulk-bar,
  .pagination-bar {
    align-items: flex-start;
    flex-direction: column;
  }

  .manual-card {
    grid-template-columns: 1fr;
  }

  .image-mini-grid,
  .image-choice-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
.stat-button {
  text-align: left;
  color: var(--text);
  height: auto;
  cursor: pointer;
}

.stat-button:hover {
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(12, 124, 89, .08);
}

.absent-options-grid {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 14px;
  margin: 14px 0;
}

.absent-options-grid label,
.absent-options-grid > div {
  display: grid;
  gap: 8px;
}

.absent-options-grid span {
  font-size: 12px;
  color: var(--muted);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .04em;
}

.tag-checkbox-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag-checkbox {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid var(--border);
  background: #fff;
  border-radius: 999px;
  padding: 7px 10px;
  font-size: 12px;
}

.tag-checkbox input {
  width: 14px;
  height: 14px;
}

.absent-card .compare-body {
  grid-template-columns: 1fr;
}

@media (max-width: 1200px) {
  .absent-options-grid {
    grid-template-columns: 1fr;
  }
}