:root {
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --radius: 8px;
  --radius-lg: 12px;
  --ink: #09090b;
  --ink-soft: #3f3f46;
  --muted: #71717a;
  --border: #e4e4e7;
  --surface: #f4f4f5;
  --bg: #ffffff;
  --accent: #09090b;
  --cl-primary-border-color: #d4d4d8;
  --success: #22c55e;
  --success-bg: #f0fdf4;
  --warning: #f97316;
  --warning-bg: #fff7ed;
  --danger: #dc2626;
  --danger-bg: #fef2f2;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
* { scrollbar-width: thin; scrollbar-color: #a1a1aa #e4e4e7; }
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: #e4e4e7; border-radius: 4px; }
::-webkit-scrollbar-thumb { background: #a1a1aa; border-radius: 4px; border: 2px solid #e4e4e7; }
::-webkit-scrollbar-thumb:hover { background: #71717a; }
::-webkit-scrollbar-corner { background: #e4e4e7; }

body {
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 14px;
  line-height: 1.5;
  color: var(--ink);
  background: linear-gradient(135deg, #fafafa 0%, #fff 100%);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.layout { margin: 0 auto; padding: var(--space-5); }
.layout-header { margin: 0 auto; padding: var(--space-4) var(--space-5); }

.header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
}
.logo { font-weight: 700; font-size: 15px; letter-spacing: -0.02em; }

.mode-switch {
  display: inline-flex;
  gap: var(--space-2);
}
.mode-btn {
  padding: var(--space-2) var(--space-4);
  border: none;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 600;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  transition: all 0.15s;
}
.mode-btn:hover { color: var(--ink); }
.mode-btn.active { color: var(--ink); }

.btn-logout {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0 var(--space-4);
  height: 36px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: transparent;
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.15s;
}
.btn-logout:hover { border-color: var(--ink); color: var(--ink); }

.nav { display: flex; gap: var(--space-2); margin-bottom: var(--space-4); flex-wrap: wrap; }
.nav-btn {
  padding: 0 var(--space-4);
  height: 38px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  background: transparent;
  color: var(--muted);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}
.nav-btn:hover { color: var(--ink); }
.nav-btn.active { color: var(--ink); }

.hidden { display: none !important; }
.section, .app-view { display: none; }
.section.active, .app-view.active { display: block; }

.card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: var(--space-5);
}
.card:last-child { margin-bottom: 0; }
.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
  padding: var(--space-5);
  border-bottom: 1px solid var(--border);
  background: linear-gradient(180deg, var(--bg) 0%, var(--surface) 100%);
}
.card-title { font-size: 18px; font-weight: 700; letter-spacing: -0.02em; }
.card-actions { display: flex; align-items: center; gap: var(--space-3); flex-wrap: wrap; }

.search-box {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  height: 38px;
  padding: 0 var(--space-4);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color 0.15s;
}
.search-box:hover { border-color: var(--muted); }
.search-box:focus-within { border-color: var(--ink); outline: none; box-shadow: 0 0 0 3px rgba(9,9,11,0.08); }
.search-box input { flex: 1; min-width: 0; border: none; background: none; font-size: 14px; outline: none; }
.search-box input::placeholder { color: var(--muted); }

.input, .select {
  height: 38px;
  padding: 0 var(--space-4);
  font-size: 14px;
  font-family: inherit;
  color: var(--ink);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color 0.15s;
}
.input:hover, .select:hover { border-color: var(--muted); }
.input:focus, .select:focus { border-color: var(--ink); outline: none; box-shadow: 0 0 0 3px rgba(9,9,11,0.08); }
.select { cursor: pointer; min-width: 120px; }
.input-sm, .select-sm { height: 34px; padding: 0 var(--space-3); font-size: 13px; min-width: 100px; }

.btn {
  height: 38px;
  padding: 0 var(--space-4);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 14px;
  font-weight: 600;
  font-family: inherit;
  border: 1px solid transparent;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all 0.15s;
  background: linear-gradient(#ededed 0%, #ffffff 100%);
  color: var(--ink);
  background-origin: border-box;
  background-clip: padding-box, border-box;
  box-shadow: 0 1px 2px rgba(0,0,0,0.05);
}
.btn:hover { border-color: transparent; }
.btn:active { transform: scale(0.98); }
.btn:disabled { display: none; cursor: not-allowed; }
.btn-sm { height: 34px; padding: 0 var(--space-3); font-size: 13px; }
.btn-secondary { color: var(--ink); border: 1px solid var(--cl-primary-border-color); }
.btn-secondary:hover { border-color: var(--ink); background: var(--bg); }

.table-wrap { overflow-x: auto; }
.table {
  width: 100%;
  border-collapse: collapse;
  min-width: 700px;
}
.table th {
  padding: var(--space-3) var(--space-4);
  text-align: left;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
.table td {
  padding: var(--space-3) var(--space-4);
  font-size: 14px;
  border-bottom: 1px solid rgba(0,0,0,0.04);
  vertical-align: middle;
}
.table tr:last-child td { border-bottom: none; }
.table tbody tr:hover { background: var(--surface); }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4); }
.form-group { margin-bottom: var(--space-4); }
.form-label { display: block; font-size: 14px; font-weight: 500; color: var(--ink); margin-bottom: var(--space-2); }
.form-group .input, .form-group .select { width: 100%; }

.badge {
  display: inline-flex;
  align-items: center;
  height: 24px;
  padding: 0 var(--space-3);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-radius: 6px;
  border: 1px solid transparent;
}
.badge-in { background: var(--success-bg); color: var(--success); border-color: var(--success); }
.badge-out { background: var(--danger-bg); color: var(--danger); border-color: #fecaca; }
.badge-warn { background: var(--warning-bg); color: var(--warning); border-color: var(--warning); }
.badge-info { background: var(--surface); color: var(--muted); border-color: var(--border); }

.color-dot {
  display: inline-block;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 1px solid var(--border);
  margin-right: var(--space-2);
  vertical-align: middle;
}

.stock-warn { color: var(--warning); font-weight: 700; background: var(--warning-bg); padding: 2px 6px; border-radius: 6px; border: 1px solid var(--warning); }
.stock-ok { color: var(--success); font-weight: 600; }

.prod-tabs { display: flex; gap: var(--space-2); margin-bottom: var(--space-4); }
.prod-tab {
  padding: var(--space-2) var(--space-4);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
  font-size: 13px;
  font-weight: 700;
  color: var(--muted);
  cursor: pointer;
  transition: all 0.15s;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}
.prod-tab:hover { color: var(--ink); }
.prod-tab .prod-count { margin-left: 2px; padding: 2px 6px; border-radius: 10px; font-size: 11px; }
.prod-tab.active .prod-count { background: rgba(255,255,255,0.14); color: #fff; }
.prod-tab:not(.active) .prod-count { background: var(--border); color: var(--muted); }

.orders-grid { display: flex; flex-direction: column; gap: var(--space-4); }
.order-card {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at top right, rgba(9,9,11,0.04), transparent 32%),
    linear-gradient(180deg, #ffffff 0%, #fafafa 100%);
  border: 1px solid rgba(228,228,231,0.95);
  border-radius: 18px;
  padding: var(--space-5);
  box-shadow: 0 14px 30px rgba(9,9,11,0.05);
}
.order-card:hover { border-color: rgba(161,161,170,0.9); box-shadow: 0 20px 40px rgba(9,9,11,0.09); }
.order-card-header {
  display: flex;
  justify-content: space-between;
  align-items: stretch;
  gap: var(--space-5);
  margin-bottom: var(--space-5);
}
.order-card-main {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.order-number { font-size: 20px; font-weight: 800; letter-spacing: -0.03em; line-height: 1; }
.order-meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}
.order-meta-pill {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 12px;
  border-radius: 999px;
  border: 1px solid rgba(228,228,231,0.95);
  background: rgba(255,255,255,0.86);
  color: var(--ink-soft);
  font-size: 12px;
  font-weight: 600;
}
.order-note-wrap {
  padding: 14px 16px;
  border-radius: 14px;
  border: 1px solid rgba(228,228,231,0.95);
  background: rgba(244,244,245,0.7);
}
.order-note {
  font-size: 12px;
  line-height: 1.55;
  white-space: pre-wrap;
  color: var(--ink-soft);
}
.order-note a { color: var(--ink); text-decoration: underline; }
.order-status-badges {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  justify-content: center;
  gap: 10px;
  min-width: 220px;
}
.order-status-badges .btn,
.order-status-badges .badge-pill,
.order-status-badges .financial-badge,
.order-status-badges .fulfillment-badge {
  width: 100%;
  min-height: 40px;
  justify-content: center;
  text-align: center;
}
.badge-pill {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  cursor: pointer;
  background: var(--bg);
  transition: all 0.15s;
}
.badge-pill:hover { border-color: var(--ink); }
.financial-badge, .fulfillment-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 var(--space-3);
  border-radius: 12px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border: 1px solid transparent;
}
.financial-paid, .fulfillment-fulfilled { background: rgba(34,197,94,0.08); color: #15803d; }
.financial-pending, .fulfillment-unfulfilled { background: rgba(249,115,22,0.08); color: #c2410c; }
.financial-authorized, .financial-partially-paid, .financial-refunded, .financial-partially-refunded, .financial-voided, .fulfillment-partial { background: rgba(244,244,245,0.9); color: var(--ink); }

.order-items { display: grid; gap: 14px; }
.order-item-card {
  display: flex;
  gap: 16px;
  align-items: stretch;
  padding: 16px;
  border-radius: 16px;
  border: 1px solid rgba(228,228,231,0.95);
  background: rgba(255,255,255,0.9);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.75);
}
.item-media {
  width: 84px;
  flex-shrink: 0;
}
.item-image { width: 84px; height: 84px; object-fit: cover; border-radius: 14px; border: 1px solid rgba(228,228,231,0.95); flex-shrink: 0; background: #fff; }
.item-image-placeholder {
  width: 84px;
  height: 84px;
  border-radius: 14px;
  border: 1px dashed rgba(212,212,216,0.95);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  color: var(--muted);
  flex-shrink: 0;
  background: linear-gradient(180deg, #fafafa 0%, #f4f4f5 100%);
}
.item-info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 12px;
}
.item-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}
.item-copy {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.item-title {
  font-size: 15px;
  font-weight: 750;
  letter-spacing: -0.02em;
  line-height: 1.3;
}
.item-variant {
  font-size: 12px;
  font-weight: 600;
  color: var(--muted);
}
.item-quantity {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 52px;
  min-height: 32px;
  padding: 0 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  color: var(--ink);
  background: linear-gradient(180deg, #f5f5f5 0%, #ffffff 100%);
  border: 1px solid rgba(212,212,216,0.95);
  flex-shrink: 0;
}
.item-properties {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 10px;
}
.property-item {
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid rgba(228,228,231,0.95);
  background: rgba(250,250,250,0.95);
  min-width: 0;
}
.property-name {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 4px;
}
.property-value {
  font-size: 12px;
  line-height: 1.45;
  color: var(--ink);
  word-break: break-word;
}

@media (max-width: 900px) {
  .order-card-header {
    flex-direction: column;
  }
  .order-status-badges {
    min-width: 0;
    width: 100%;
  }
}

@media (max-width: 640px) {
  .order-card {
    padding: 18px;
    border-radius: 16px;
  }
  .order-item-card {
    padding: 14px;
    gap: 12px;
  }
  .item-media {
    width: 72px;
  }
  .item-image,
  .item-image-placeholder {
    width: 72px;
    height: 72px;
  }
  .item-top {
    flex-direction: column;
    gap: 10px;
  }
  .item-quantity {
    align-self: flex-start;
  }
  .item-properties {
    grid-template-columns: 1fr;
  }
}

.modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: var(--space-5);
  background: rgba(0,0,0,0.5);
  backdrop-filter: blur(4px);
}
.modal.active { display: flex; }
.modal-content {
  background: var(--bg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: 0 20px 40px rgba(0,0,0,0.15);
  max-height: 90vh;
  overflow: auto;
  width: 100%;
  max-width: 500px;
}
.modal-content.modal-lg { max-width: 700px; }
.modal-content.modal-xl { max-width: 960px; }
.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-5);
  border-bottom: 1px solid var(--border);
}
.modal-title { font-size: 18px; font-weight: 700; }
.modal-close {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: transparent;
  color: var(--muted);
  font-size: 20px;
  cursor: pointer;
  transition: all 0.15s;
}
.modal-close:hover { background: var(--surface); color: var(--ink); border-color: var(--ink); }
.modal-body { padding: var(--space-5); max-height: 70vh; overflow-y: auto; }
.modal-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  border-top: 1px solid var(--border);
  background: var(--surface);
}

.product-tabs {
  display: flex;
  gap: var(--space-1);
  padding: var(--space-1);
  background: var(--surface);
  border-radius: var(--radius);
  margin-bottom: var(--space-5);
}
.product-tab {
  flex: 1;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  border: 1px solid transparent;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 500;
  color: var(--muted);
  cursor: pointer;
  transition: all 0.15s;
}
.product-tab:hover { color: var(--ink); }
.product-tab.active { color: var(--ink); border-color: var(--ink); box-shadow: 0 1px 2px rgba(0,0,0,0.05); }
.tab-badge { background: var(--accent); color: white; font-size: 11px; font-weight: 600; padding: 2px 6px; border-radius: 10px; }
.product-tab-content { display: none; }
.product-tab-content.active { display: block; }

.products-grid { padding: 0; }
.product-card {
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  transition: all 0.15s;
}
.product-card:last-child { border-bottom: none; }
.product-header {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-5);
  cursor: pointer;
  transition: all 0.15s;
}
.product-header:hover { background: rgba(244,244,245,0.6); }
.product-expand-icon {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--surface);
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-size: 12px;
  font-weight: 700;
  color: var(--muted);
  flex-shrink: 0;
  transition: all 0.15s;
}
.product-card.expanded .product-expand-icon { border-color: var(--ink); color: var(--ink); transform: rotate(90deg); }
.product-variants { display: none; background: var(--surface); border-top: 1px solid var(--border); }
.product-card.expanded .product-variants { display: block; }
.product-info { flex: 1; min-width: 0; }
.product-name { font-size: 14px; font-weight: 700; margin-bottom: var(--space-1); display: flex; align-items: center; gap: var(--space-2); flex-wrap: wrap; }
.product-meta { font-size: 12px; color: var(--muted); display: flex; gap: var(--space-3); flex-wrap: wrap; }
.product-stats { display: flex; gap: var(--space-5); flex-shrink: 0; }
.product-actions { display: flex; gap: var(--space-2); margin-left: auto; flex-shrink: 0; }
.product-stat { text-align: center; }
.product-stat-value { font-size: 18px; font-weight: 700; }
.product-stat-value.low { color: var(--warning); }
.product-stat-label { font-size: 10px; color: var(--muted); text-transform: uppercase; }

.variants-inner { padding: var(--space-4) var(--space-5); }
.variants-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: var(--space-4); }
.variants-header h4 { font-size: 12px; font-weight: 600; color: var(--muted); text-transform: uppercase; }
.variant-row {
  display: grid;
  grid-template-columns: minmax(100px,1fr) 100px 70px 70px auto;
  gap: var(--space-3);
  align-items: center;
  padding: var(--space-4);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: var(--space-2);
  transition: all 0.15s;
}
.variant-row:hover { border-color: var(--muted); }
.variant-row:last-child { margin-bottom: 0; }
.variant-sku { font-weight: 700; font-size: 13px; }
.variant-attr { font-size: 13px; display: flex; align-items: center; gap: var(--space-2); }
.variant-stock { font-size: 15px; font-weight: 700; text-align: center; }
.variant-stock.low { color: var(--warning); }
.variant-actions { display: flex; gap: var(--space-2); align-items: center; }
.add-variant-btn {
  width: 100%;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  margin-top: var(--space-3);
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  background: transparent;
  color: var(--muted);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
}
.add-variant-btn:hover { border-color: var(--ink); color: var(--ink); }

.variants-table-wrap { max-height: 320px; overflow-y: auto; border: 1px solid var(--border); border-radius: var(--radius); }
.variants-table { width: 100%; border-collapse: collapse; }
.variants-table th { padding: var(--space-2) var(--space-3); font-size: 10px; text-transform: uppercase; background: var(--bg); }
.variants-table td { padding: var(--space-2) var(--space-3); font-size: 13px; }
.variants-table tr:hover { background: var(--surface); }

.checkbox-pill {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: var(--bg);
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
  user-select: none;
}
.checkbox-pill:hover { border-color: transparent; }
.checkbox-pill input { display: none; }
.checkbox-pill.active, .checkbox-pill:has(input:checked) { border-color: var(--ink); color: var(--ink); background: linear-gradient(#ededed 0%, #ffffff 100%); }
.checkbox-pill .color-swatch { width: 16px; height: 16px; border-radius: 4px; border: 1px solid var(--border); }

.empty, .empty-state { text-align: center; padding: var(--space-8) var(--space-5); color: var(--muted); }
.empty-icon { font-size: 40px; margin-bottom: var(--space-3); opacity: 0.5; }

.pagination { display: flex; align-items: center; justify-content: center; gap: var(--space-2); margin-top: var(--space-5); flex-wrap: wrap; }
.pagination-btn {
  padding: var(--space-2) var(--space-3);
  min-width: 38px;
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
  cursor: pointer;
  transition: all 0.15s;
}
.pagination-btn:hover:not(:disabled):not(.active) { border-color: transparent; }
.pagination-btn:disabled { opacity: 0.4; cursor: not-allowed; }
.pagination-btn.active { color: var(--ink); border-color: var(--ink); }

.mode-btn,
.btn-logout,
.nav-btn,
.prod-tab,
.product-tab,
.add-variant-btn,
.pagination-btn,
.badge-pill {
  border: 1px solid transparent;
  background: linear-gradient(#ededed 0%, #ffffff 100%);
  background-origin: border-box;
  background-clip: padding-box, border-box;
  color: var(--ink);
  box-shadow: 0 1px 2px rgba(0,0,0,0.05);
}

.mode-btn:hover,
.btn-logout:hover,
.nav-btn:hover,
.prod-tab:hover,
.product-tab:hover,
.add-variant-btn:hover,
.pagination-btn:hover:not(:disabled),
.badge-pill:hover {
  border-color: transparent;
}

.mode-btn.active,
.nav-btn.active,
.product-tab.active,
.pagination-btn.active {
  border-color: var(--ink);
  color: var(--ink);
  background: linear-gradient(#ededed 0%, #ffffff 100%);
}

.prod-tab.active {
  border-color: #000;
  color: #fff;
  background: #000;
}

.diff-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 32px;
  height: 26px;
  padding: 0 8px;
  font-size: 12px;
  font-weight: 600;
  border-radius: var(--radius);
  border: 1px solid transparent;
}
.diff-badge.positive { background: var(--success-bg); color: var(--success); border-color: var(--success); }
.diff-badge.negative { background: var(--danger-bg); color: var(--danger); border-color: #fecaca; }
.diff-badge.zero { background: var(--surface); color: var(--muted); border-color: var(--border); }

.count-input {
  width: 72px;
  height: 38px;
  text-align: center;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
  transition: all 0.15s;
}
.count-input:hover { border-color: var(--muted); }
.count-input:focus { border-color: var(--ink); outline: none; box-shadow: 0 0 0 3px rgba(9,9,11,0.08); }
.count-input.changed { border-color: var(--warning); background: var(--warning-bg); }
.count-input.ok { border-color: var(--success); background: var(--success-bg); }

.inv-progress { height: 8px; background: var(--surface); border-radius: 4px; overflow: hidden; margin-top: var(--space-2); border: 1px solid var(--border); }
.inv-progress-bar { height: 100%; background: var(--accent); transition: width 0.3s; }

.item-image { opacity: 0; transition: opacity 0.15s; }
.item-image.loaded { opacity: 1; }

.prod-error { background: var(--danger-bg); color: var(--danger); padding: var(--space-3) var(--space-4); border-radius: var(--radius); border: 1px solid #fecaca; margin-bottom: var(--space-4); font-weight: 600; }
.loading { display: flex; align-items: center; justify-content: center; gap: var(--space-3); padding: var(--space-8); color: var(--muted); font-size: 14px; }
.spinner { width: 24px; height: 24px; border: 3px solid var(--border); border-top-color: var(--ink); border-radius: 50%; animation: spin 0.8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-5); }
.grid-cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: var(--space-5); }
.export-grid { padding: var(--space-5); display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: var(--space-6); }
.export-section { margin-bottom: var(--space-6); }
.export-section h4 { font-size: 12px; text-transform: uppercase; color: var(--muted); margin-bottom: var(--space-3); }
.export-links { display: flex; flex-direction: column; gap: var(--space-2); }
.info-box { font-size: 13px; color: var(--muted); background: var(--surface); padding: var(--space-4); border-radius: var(--radius); border: 1px solid var(--border); line-height: 1.6; }
.info-box strong { color: var(--ink); font-weight: 600; }

@media (max-width: 768px) {
  .form-row { grid-template-columns: 1fr; }
  .nav { overflow-x: auto; flex-wrap: nowrap; -webkit-overflow-scrolling: touch; }
  .variant-row { grid-template-columns: 1fr 1fr 1fr; }
}

:focus-visible { outline: 2px solid var(--ink); outline-offset: 2px; }

.login-page { min-height: 100dvh; display: flex; align-items: center; justify-content: center; padding: var(--space-6); background: linear-gradient(135deg, #fafafa 0%, #fff 100%); color: var(--ink); -webkit-font-smoothing: antialiased; }
.login-card { width: 100%; max-width: 380px; background: var(--bg); border-radius: var(--radius-lg); box-shadow: 0 20px 40px rgba(0,0,0,0.08); border: 1px solid var(--border); padding: var(--space-8); }
.login-title { font-size: 26px; font-weight: 700; letter-spacing: -0.02em; margin-bottom: var(--space-2); }
.login-sub { font-size: 14px; color: var(--muted); margin-top: var(--space-2); }
.login-error { display: flex; align-items: center; gap: var(--space-2); padding: var(--space-3) var(--space-4); font-size: 14px; font-weight: 600; color: var(--danger); background: var(--danger-bg); border-radius: var(--radius); margin-bottom: var(--space-6); border: 1px solid #fecaca; }
.login-email-box { display: flex; align-items: center; gap: var(--space-2); padding: var(--space-3) var(--space-4); font-size: 14px; font-weight: 500; color: var(--ink); border: 1px solid var(--border); border-radius: var(--radius); background: var(--bg); margin-bottom: var(--space-5); }
.login-form-group { margin-bottom: var(--space-5); }
.login-label { display: block; font-size: 13px; font-weight: 600; color: var(--ink-soft); margin-bottom: var(--space-2); }
.login-input { width: 100%; height: 52px; padding: 0 var(--space-4); font-size: 16px; font-weight: 500; color: var(--ink); border: 2px solid var(--border); border-radius: var(--radius); background: var(--bg); transition: border-color 0.15s; }
.login-input::placeholder { color: var(--muted); font-weight: 400; }
.login-input:hover { border-color: var(--muted); }
.login-input:focus { border-color: var(--ink); outline: none; box-shadow: 0 0 0 4px rgba(9,9,11,0.08); }
.login-btn { width: 100%; height: 56px; display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2); font-size: 15px; font-weight: 600; color: var(--ink); background: linear-gradient(#ededed 0%, #ffffff 100%); border: 1px solid transparent; border-radius: var(--radius); cursor: pointer; box-shadow: 0 1px 2px rgba(0,0,0,0.05); transition: all 0.15s; margin-top: var(--space-2); background-origin: border-box; background-clip: padding-box, border-box; }
.login-btn:hover { border-color: transparent; }
.login-btn:active { transform: scale(0.98); }
.login-btn:disabled { opacity: 0.5; cursor: not-allowed; }
.login-code-row { display: flex; gap: var(--space-2); justify-content: space-between; margin-bottom: var(--space-2); }
.login-code-input { width: 50px; height: 58px; text-align: center; font-size: 24px; font-weight: 700; font-family: ui-monospace, monospace; padding: 0; border: 2px solid var(--border); border-radius: var(--radius); background: var(--bg); transition: all 0.15s; }
.login-code-input:focus { border-color: var(--ink); outline: none; box-shadow: 0 0 0 4px rgba(9,9,11,0.08); }
.login-reset { display: inline-flex; align-items: center; gap: 6px; margin-top: var(--space-4); font-size: 13px; font-weight: 500; color: var(--muted); background: transparent; border: none; cursor: pointer; text-decoration: none; transition: color 0.15s; }
.login-reset:hover { color: var(--ink); }