:root {
  --portal-bg: #f4f6f8;
  --portal-card: #fff;
  --portal-text: #1a2332;
  --portal-muted: #5c6b7a;
  --portal-accent: #2563eb;
  --portal-radius: 8px;
  --portal-border: #e2e8f0;
}

* { box-sizing: border-box; }
body.catalog-portal {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--portal-bg);
  color: var(--portal-text);
}

.portal-header {
  background: var(--portal-card);
  border-bottom: 1px solid var(--portal-border);
  position: sticky;
  top: 0;
  z-index: 20;
}
.portal-header-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.portal-logo {
  font-weight: 700;
  color: var(--portal-accent);
  text-decoration: none;
}
.portal-nav { display: flex; align-items: center; gap: 12px; }
.portal-user { font-size: 14px; color: var(--portal-muted); }
.portal-link-btn {
  background: none;
  border: none;
  color: var(--portal-accent);
  cursor: pointer;
  font-size: 14px;
}

.portal-main { max-width: 1280px; margin: 0 auto; padding: 24px 32px 48px; }
.portal-page-head { margin-bottom: 24px; }
.portal-page-lead { margin: 8px 0 0; color: var(--portal-muted); font-size: 15px; max-width: 640px; line-height: 1.5; }
.portal-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-bottom: 16px;
}
.portal-search {
  flex: 1;
  min-width: 200px;
  padding: 10px 12px;
  border: 1px solid var(--portal-border);
  border-radius: var(--portal-radius);
  font-size: 16px;
}
.portal-btn {
  padding: 8px 14px;
  border-radius: var(--portal-radius);
  border: 1px solid var(--portal-border);
  background: var(--portal-card);
  cursor: pointer;
}
.portal-btn-primary {
  background: var(--portal-accent);
  color: #fff;
  border-color: var(--portal-accent);
}
.portal-btn-ghost { background: transparent; }
.portal-count { font-size: 13px; color: var(--portal-muted); margin-left: auto; }

.portal-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 16px;
}
.portal-sidebar {
  background: var(--portal-card);
  border: 1px solid var(--portal-border);
  border-radius: var(--portal-radius);
  padding: 12px;
  height: fit-content;
  position: sticky;
  top: 72px;
}
.portal-sidebar-title { font-size: 14px; margin: 0 0 8px; }
.category-cascade select {
  width: 100%;
  margin-bottom: 8px;
  padding: 8px;
  border-radius: 6px;
  border: 1px solid var(--portal-border);
}
.category-trail { font-size: 12px; color: var(--portal-muted); }

.portal-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 12px;
}
.portal-card {
  background: var(--portal-card);
  border: 1px solid var(--portal-border);
  border-radius: var(--portal-radius);
  overflow: hidden;
  box-shadow: 0 1px 2px rgba(0,0,0,.04);
}
.portal-card-link {
  display: block;
  padding: 12px;
  text-decoration: none;
  color: inherit;
}
.portal-card-img {
  aspect-ratio: 1;
  background: #f8fafc;
  border-radius: 6px;
  overflow: hidden;
  margin-bottom: 8px;
}
.portal-card-img img { width: 100%; height: 100%; object-fit: contain; }
.portal-card-title { font-size: 14px; margin: 0 0 4px; line-height: 1.3; }
.portal-card-model { font-size: 12px; color: var(--portal-muted); margin: 0; }
.portal-card-cat { font-size: 11px; color: var(--portal-muted); margin: 4px 0; }
.portal-stock { font-size: 12px; font-weight: 600; margin: 6px 0; }
.portal-stock.stock-ok { color: #15803d; }
.portal-stock.stock-limited { color: #b45309; }
.portal-stock.stock-out { color: #b91c1c; }
.portal-card-cta { font-size: 12px; color: var(--portal-accent); font-weight: 600; }
.portal-empty { text-align: center; color: var(--portal-muted); padding: 32px; }
.portal-card[hidden] { display: none !important; }

.portal-login {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.portal-login-card {
  width: 100%;
  max-width: 400px;
  background: var(--portal-card);
  border: 1px solid var(--portal-border);
  border-radius: var(--portal-radius);
  padding: 28px;
  box-shadow: 0 4px 24px rgba(0,0,0,.06);
}
.portal-brand-main { display: block; font-size: 20px; font-weight: 700; }
.portal-brand-sub { display: block; font-size: 13px; color: var(--portal-muted); margin-bottom: 20px; }
.portal-field { display: block; margin-bottom: 14px; }
.portal-field span { display: block; font-size: 13px; margin-bottom: 4px; }
.portal-field input {
  width: 100%;
  padding: 10px;
  border: 1px solid var(--portal-border);
  border-radius: 6px;
}
.portal-alert { background: #fef2f2; color: #b91c1c; padding: 10px; border-radius: 6px; font-size: 14px; }
.portal-muted { font-size: 13px; color: var(--portal-muted); margin-top: 16px; }

.portal-product-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  background: var(--portal-card);
  border: 1px solid var(--portal-border);
  border-radius: var(--portal-radius);
  padding: 24px;
}
.portal-product-media img { max-width: 100%; border-radius: 8px; }
.portal-features { margin-top: 16px; font-size: 14px; line-height: 1.5; }

.portal-mobile-only { display: none; }

@media (max-width: 900px) {
  .portal-layout { grid-template-columns: 1fr; }
  .portal-sidebar {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 50;
    top: 56px;
    overflow: auto;
  }
  .portal-sidebar.is-open { display: block; }
  .portal-mobile-only { display: inline-flex; }
  .portal-grid { grid-template-columns: repeat(2, 1fr); }
  .portal-product-layout { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .portal-grid { grid-template-columns: 1fr; }
}

.portal-nav-menu { display: flex; gap: 16px; align-items: center; flex: 1; justify-content: center; }
.portal-nav-link { color: var(--portal-text); text-decoration: none; font-size: 14px; font-weight: 500; padding: 6px 10px; border-radius: 6px; }
.portal-nav-link.is-active { color: var(--portal-accent); background: #eff6ff; font-weight: 600; }
.portal-user-block { display: flex; flex-direction: column; align-items: flex-end; line-height: 1.3; }
.portal-btn-logout { font-size: 13px; color: var(--portal-muted); border-color: var(--portal-border); }
.portal-btn-danger-outline { color: #b91c1c; border-color: #fecaca; background: #fff; }
.portal-btn-lg { padding: 10px 20px; font-weight: 600; }
.portal-badge {
  display: inline-block;
  min-width: 18px;
  padding: 0 6px;
  font-size: 11px;
  line-height: 18px;
  border-radius: 999px;
  background: var(--portal-accent);
  color: #fff;
  text-align: center;
}
.portal-nav-user { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; justify-content: flex-end; }
.portal-user-sub { font-size: 12px; color: var(--portal-muted); }
.portal-nav-toggle { background: none; border: 1px solid var(--portal-border); border-radius: 6px; padding: 6px 10px; }

.portal-quote-form { padding: 0 12px 12px; }
.portal-qty-row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.portal-qty-input { width: 72px; padding: 6px 8px; border: 1px solid var(--portal-border); border-radius: 6px; }
.portal-btn-sm { padding: 6px 10px; font-size: 13px; }
.portal-page-title { font-size: 22px; margin: 0 0 16px; }

.portal-quote-table { width: 100%; border-collapse: collapse; background: var(--portal-card); border: 1px solid var(--portal-border); border-radius: var(--portal-radius); }
.portal-quote-table th, .portal-quote-table td { padding: 10px 12px; border-bottom: 1px solid var(--portal-border); text-align: left; font-size: 14px; }
.portal-quote-table-wrap { overflow-x: auto; margin-bottom: 20px; }
.portal-quote-thumb img { width: 48px; height: 48px; object-fit: contain; }
.portal-quote-submit { background: var(--portal-card); border: 1px solid var(--portal-border); border-radius: var(--portal-radius); padding: 24px; max-width: 640px; }
.portal-note-label textarea { width: 100%; margin-top: 8px; padding: 10px; border: 1px solid var(--portal-border); border-radius: 6px; min-height: 100px; }
.portal-note-box { background: var(--portal-card); padding: 16px; border-radius: var(--portal-radius); border: 1px solid var(--portal-border); margin: 16px 0; }
.portal-success-id { font-size: 18px; }
.portal-num { text-align: right; font-variant-numeric: tabular-nums; }
.portal-offer-hero { background: var(--portal-card); border: 1px solid var(--portal-border); border-radius: var(--portal-radius); padding: 24px; margin-bottom: 20px; }
.portal-offer-kicker { font-size: 13px; color: var(--portal-muted); margin: 0 0 8px; }
.portal-offer-total { font-size: 28px; font-weight: 700; color: var(--portal-accent); margin: 8px 0; }
.portal-offer-actions { display: flex; flex-wrap: wrap; gap: 16px; align-items: flex-start; margin-top: 24px; }
.portal-reject-form textarea { width: 100%; min-width: 240px; margin-bottom: 8px; padding: 8px; border-radius: 6px; border: 1px solid var(--portal-border); }

.portal-kpi-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 24px;
}
.portal-kpi {
  background: var(--portal-card);
  border: 1px solid var(--portal-border);
  border-radius: var(--portal-radius);
  padding: 14px 16px;
}
.portal-kpi-label { display: block; font-size: 12px; color: var(--portal-muted); margin-bottom: 4px; }
.portal-kpi-value { font-size: 22px; font-weight: 700; font-variant-numeric: tabular-nums; }

.portal-quote-list { display: flex; flex-direction: column; gap: 16px; }
.portal-quote-card {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  background: var(--portal-card);
  border: 1px solid var(--portal-border);
  border-radius: var(--portal-radius);
  padding: 20px 24px;
}
.portal-quote-card-head { display: flex; flex-wrap: wrap; align-items: baseline; gap: 12px; margin-bottom: 4px; }
.portal-quote-card-title { font-size: 18px; margin: 0; }
.portal-quote-card-date { font-size: 13px; color: var(--portal-muted); }
.portal-quote-card-meta { font-size: 14px; color: var(--portal-muted); margin: 0 0 12px; }
.portal-quote-card-dl {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 12px 20px;
  margin: 0;
}
.portal-quote-card-dl dt { font-size: 11px; text-transform: uppercase; letter-spacing: .03em; color: var(--portal-muted); margin: 0 0 2px; }
.portal-quote-card-dl dd { margin: 0; font-size: 14px; }
.portal-quote-card-total { font-weight: 700; font-variant-numeric: tabular-nums; }
.portal-quote-card-actions { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-left: auto; }

.portal-status-badge {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 999px;
  background: #f1f5f9;
  color: #475569;
}
.portal-status-preparing { background: #fef3c7; color: #92400e; }
.portal-status-offer-published { background: #dbeafe; color: #1d4ed8; }
.portal-status-offer-accepted { background: #dcfce7; color: #15803d; }
.portal-status-offer-rejected { background: #fee2e2; color: #b91c1c; }

.portal-panel {
  background: var(--portal-card);
  border: 1px solid var(--portal-border);
  border-radius: var(--portal-radius);
  padding: 20px 24px;
  margin-bottom: 20px;
}
.portal-panel-accent { border-color: #bfdbfe; background: #f8fafc; }
.portal-section-title { font-size: 16px; margin: 0 0 16px; }
.portal-meta-grid, .portal-terms-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 12px 24px;
  margin: 0;
}
.portal-meta-grid dt, .portal-terms-list dt { font-size: 12px; color: var(--portal-muted); margin: 0 0 2px; }
.portal-meta-grid dd, .portal-terms-list dd { margin: 0; font-size: 14px; }
.portal-prose { font-size: 14px; line-height: 1.6; margin: 0; }

.portal-offer-brand { margin-bottom: 20px; }
.portal-offer-brand-line { font-size: 12px; font-weight: 700; letter-spacing: .06em; color: var(--portal-muted); margin: 0 0 8px; }
.portal-offer-title-row { display: flex; flex-wrap: wrap; align-items: baseline; gap: 12px; }
.portal-offer-number { margin: 0; }
.portal-offer-version { font-size: 14px; color: var(--portal-muted); }
.portal-offer-status-badge { margin-top: 12px; }

.portal-offer-kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}
.portal-offer-kpi {
  background: var(--portal-card);
  border: 1px solid var(--portal-border);
  border-radius: var(--portal-radius);
  padding: 16px 18px;
}
.portal-offer-kpi-total { border-color: #93c5fd; background: linear-gradient(180deg, #eff6ff 0%, #fff 100%); }
.portal-offer-kpi-label { display: block; font-size: 12px; color: var(--portal-muted); margin-bottom: 6px; }
.portal-offer-kpi-value { font-size: 18px; font-weight: 700; font-variant-numeric: tabular-nums; }
.portal-offer-kpi-total .portal-offer-kpi-value { font-size: 24px; color: var(--portal-accent); }

.portal-line-model { display: block; font-size: 12px; font-weight: 600; color: var(--portal-muted); }
.portal-line-name { display: block; font-size: 14px; }

.portal-offer-totals { max-width: 400px; margin: 20px 0 0 auto; border-top: 1px solid var(--portal-border); padding-top: 12px; }
.portal-offer-totals-row { display: flex; justify-content: space-between; gap: 16px; padding: 6px 0; font-size: 14px; }
.portal-offer-totals-discount { color: var(--portal-muted); }
.portal-offer-totals-grand { font-size: 16px; font-weight: 700; border-top: 1px solid var(--portal-border); margin-top: 8px; padding-top: 12px; }

.portal-offer-lines-mobile { display: none; }
.portal-offer-line-card {
  border: 1px solid var(--portal-border);
  border-radius: var(--portal-radius);
  padding: 14px;
  margin-bottom: 10px;
}
.portal-offer-line-mini {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin: 12px 0 0;
}
.portal-offer-line-mini dt { font-size: 11px; color: var(--portal-muted); margin: 0; }
.portal-offer-line-mini dd { margin: 0 0 8px; font-size: 14px; text-align: right; }

.portal-offer-action-panel .portal-offer-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: flex-end;
  margin-top: 16px;
}
.portal-accept-form { margin-left: auto; }
.portal-offer-resolved { font-size: 16px; font-weight: 600; margin: 0 0 8px; }
.portal-offer-resolved-ok { color: #15803d; }
.portal-offer-resolved-no { color: #b91c1c; }

@media (max-width: 900px) {
  .portal-main { padding: 16px; }
  .portal-kpi-row, .portal-offer-kpi-grid { grid-template-columns: repeat(2, 1fr); }
  .portal-quote-card-actions { width: 100%; margin-left: 0; }
  .portal-offer-lines-desktop { display: none; }
  .portal-offer-lines-mobile { display: block; }
  .portal-accept-form { margin-left: 0; width: 100%; }
  .portal-accept-form .portal-btn { width: 100%; }
}
@media (max-width: 480px) {
  .portal-kpi-row, .portal-offer-kpi-grid { grid-template-columns: 1fr; }
}

.portal-toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: #1e293b;
  color: #fff;
  padding: 12px 20px;
  border-radius: 8px;
  font-size: 14px;
  z-index: 100;
  box-shadow: 0 4px 16px rgba(0,0,0,.15);
}

@media (max-width: 900px) {
  .portal-nav-menu {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    flex-direction: column;
    background: var(--portal-card);
    border-bottom: 1px solid var(--portal-border);
    padding: 12px 16px;
    align-items: flex-start;
  }
  .portal-nav-menu.is-open { display: flex; }
  .portal-header-inner { flex-wrap: wrap; position: relative; }
}