/* Reseller Wholesale Portal – modern B2B SaaS UI */
:root {
  --rwc-bg: #0f1419;
  --rwc-surface: #1a2332;
  --rwc-surface-2: #243044;
  --rwc-border: #2d3a4f;
  --rwc-text: #e8eef7;
  --rwc-muted: #8b9bb4;
  --rwc-primary: #3b82f6;
  --rwc-primary-hover: #2563eb;
  --rwc-success: #22c55e;
  --rwc-warning: #f59e0b;
  --rwc-danger: #ef4444;
  --rwc-radius: 10px;
  --rwc-sidebar-w: 260px;
  --rwc-font: 'Inter', system-ui, -apple-system, sans-serif;
}

@media (prefers-color-scheme: light) {
  :root {
    --rwc-bg: #f4f6f9;
    --rwc-surface: #ffffff;
    --rwc-surface-2: #f0f3f8;
    --rwc-border: #e2e8f0;
    --rwc-text: #0f172a;
    --rwc-muted: #64748b;
  }
}

* { box-sizing: border-box; }
body.rwc-portal-body { margin: 0; font-family: var(--rwc-font); background: var(--rwc-bg); color: var(--rwc-text); }

.rwc-app { display: flex; min-height: 100vh; }

/* Sidebar */
.rwc-sidebar {
  width: var(--rwc-sidebar-w);
  background: var(--rwc-surface);
  border-right: 1px solid var(--rwc-border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 100;
  transition: transform .25s ease;
}
.rwc-sidebar-brand {
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--rwc-border);
}
.rwc-sidebar-brand a { display: flex; align-items: center; gap: .75rem; text-decoration: none; color: var(--rwc-text); }
.rwc-brand-mark {
  width: 36px; height: 36px; border-radius: 8px;
  background: var(--rwc-primary); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: .85rem;
}
.rwc-brand-text { font-weight: 600; font-size: .95rem; }
.rwc-sidebar-close { display: none; background: none; border: none; color: var(--rwc-text); font-size: 1.5rem; cursor: pointer; }
.rwc-sidebar-nav { flex: 1; overflow-y: auto; padding: 1rem 0; }
.rwc-sidebar-nav ul { list-style: none; margin: 0; padding: 0; }
.rwc-nav-link {
  display: flex; align-items: center; gap: .75rem;
  padding: .65rem 1.5rem; color: var(--rwc-muted);
  text-decoration: none; font-size: .9rem; transition: .15s;
}
.rwc-nav-link:hover, .rwc-nav-link.is-active {
  background: var(--rwc-surface-2); color: var(--rwc-text);
}
.rwc-nav-link.is-active { border-right: 3px solid var(--rwc-primary); }
.rwc-sidebar-footer { border-top: 1px solid var(--rwc-border); padding: .75rem 0; }
.rwc-sidebar-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,.5); z-index: 99; }

/* Main */
.rwc-main { flex: 1; margin-left: var(--rwc-sidebar-w); display: flex; flex-direction: column; min-width: 0; }

/* Topbar */
.rwc-topbar {
  display: flex; align-items: center; gap: 1rem;
  padding: .75rem 1.5rem; background: var(--rwc-surface);
  border-bottom: 1px solid var(--rwc-border); position: sticky; top: 0; z-index: 50;
}
.rwc-menu-toggle {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: .5rem;
}
.rwc-menu-toggle span { display: block; width: 22px; height: 2px; background: var(--rwc-text); }
.rwc-topbar-search { flex: 1; max-width: 420px; }
.rwc-topbar-search input {
  width: 100%; padding: .55rem 1rem; border-radius: 8px;
  border: 1px solid var(--rwc-border); background: var(--rwc-surface-2);
  color: var(--rwc-text); font-size: .9rem;
}
.rwc-topbar-actions { display: flex; align-items: center; gap: .75rem; margin-left: auto; }
.rwc-icon-btn, .rwc-user-btn {
  background: var(--rwc-surface-2); border: 1px solid var(--rwc-border);
  border-radius: 8px; padding: .4rem .7rem; cursor: pointer; color: var(--rwc-text);
  position: relative;
}
.rwc-badge {
  position: absolute; top: -4px; right: -4px;
  background: var(--rwc-danger); color: #fff; font-size: .65rem;
  border-radius: 999px; min-width: 16px; height: 16px;
  display: flex; align-items: center; justify-content: center;
}
.rwc-avatar {
  width: 28px; height: 28px; border-radius: 50%;
  background: var(--rwc-primary); color: #fff;
  display: inline-flex; align-items: center; justify-content: center; font-size: .8rem; font-weight: 600;
}
.rwc-user-name { margin-left: .4rem; font-size: .85rem; }
.rwc-dropdown {
  position: absolute; right: 0; top: calc(100% + 6px);
  background: var(--rwc-surface); border: 1px solid var(--rwc-border);
  border-radius: var(--rwc-radius); min-width: 220px; padding: .5rem;
  box-shadow: 0 10px 30px rgba(0,0,0,.25); z-index: 60;
}
.rwc-dropdown a, .rwc-notif-item {
  display: block; padding: .5rem .75rem; color: var(--rwc-text);
  text-decoration: none; border-radius: 6px; font-size: .85rem;
}
.rwc-dropdown a:hover, .rwc-notif-item:hover { background: var(--rwc-surface-2); }
.rwc-notifications, .rwc-user-menu { position: relative; }

/* Content */
.rwc-content { padding: 1.5rem; flex: 1; }
.rwc-page-header { margin-bottom: 1.5rem; }
.rwc-page-header h1 { margin: 0 0 .25rem; font-size: 1.5rem; font-weight: 700; }
.rwc-muted { color: var(--rwc-muted); font-size: .9rem; }

/* KPI cards */
.rwc-kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 1rem; margin-bottom: 1.5rem;
}
.rwc-kpi-card {
  background: var(--rwc-surface); border: 1px solid var(--rwc-border);
  border-radius: var(--rwc-radius); padding: 1.1rem 1.25rem;
}
.rwc-kpi-label { display: block; font-size: .8rem; color: var(--rwc-muted); margin-bottom: .35rem; }
.rwc-kpi-value { font-size: 1.5rem; font-weight: 700; }

/* Cards & grid */
.rwc-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }
.rwc-card {
  background: var(--rwc-surface); border: 1px solid var(--rwc-border);
  border-radius: var(--rwc-radius); overflow: hidden;
}
.rwc-card-header {
  padding: 1rem 1.25rem; border-bottom: 1px solid var(--rwc-border);
  display: flex; align-items: center; justify-content: space-between;
}
.rwc-card-header h2 { margin: 0; font-size: 1rem; font-weight: 600; }
.rwc-card-body { padding: 1.25rem; }
.rwc-flex-between { display: flex; align-items: center; justify-content: space-between; }

/* Buttons */
.rwc-btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: .55rem 1.1rem; border-radius: 8px; font-size: .875rem;
  font-weight: 500; border: none; cursor: pointer; text-decoration: none;
  transition: .15s; min-height: 44px;
}
.rwc-btn-primary { background: var(--rwc-primary); color: #fff; }
.rwc-btn-primary:hover { background: var(--rwc-primary-hover); }
.rwc-btn-secondary {
  background: var(--rwc-surface-2); color: var(--rwc-text);
  border: 1px solid var(--rwc-border);
}
.rwc-btn-secondary:hover { background: var(--rwc-border); }
.rwc-quick-actions { display: flex; flex-wrap: wrap; gap: .5rem; }

/* Tables */
.rwc-table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.rwc-table { width: 100%; border-collapse: collapse; font-size: .875rem; }
.rwc-table th, .rwc-table td {
  padding: .75rem 1rem; text-align: left;
  border-bottom: 1px solid var(--rwc-border);
}
.rwc-table th { color: var(--rwc-muted); font-weight: 500; font-size: .8rem; text-transform: uppercase; letter-spacing: .03em; }
.rwc-table tr:hover td { background: var(--rwc-surface-2); }
.rwc-empty { text-align: center; color: var(--rwc-muted); padding: 2rem !important; }

/* Badges */
.rwc-badge-neutral { background: var(--rwc-surface-2); color: var(--rwc-muted); padding: .2rem .55rem; border-radius: 6px; font-size: .75rem; }
.rwc-badge-active { background: rgba(34,197,94,.15); color: var(--rwc-success); padding: .2rem .55rem; border-radius: 6px; font-size: .75rem; }
.rwc-badge-out_of_stock, .rwc-badge-pending, .rwc-badge-requested { background: rgba(245,158,11,.15); color: var(--rwc-warning); padding: .2rem .55rem; border-radius: 6px; font-size: .75rem; }
.rwc-badge-rejected, .rwc-badge-cancelled { background: rgba(239,68,68,.15); color: var(--rwc-danger); padding: .2rem .55rem; border-radius: 6px; font-size: .75rem; }

/* Forms */
.rwc-form-row { margin-bottom: 1rem; }
.rwc-form-row label { display: block; margin-bottom: .35rem; font-size: .85rem; color: var(--rwc-muted); }
.rwc-form-row input, .rwc-form-row select, .rwc-form-row textarea {
  width: 100%; padding: .6rem .9rem; border-radius: 8px;
  border: 1px solid var(--rwc-border); background: var(--rwc-surface-2);
  color: var(--rwc-text); font-size: .9rem; min-height: 44px;
}

/* Settings layout */
.rwc-settings-layout { display: grid; grid-template-columns: 200px 1fr; gap: 1.5rem; }
.rwc-settings-nav { position: sticky; top: 80px; align-self: start; }
.rwc-settings-nav-link {
  display: block; padding: .5rem .75rem; color: var(--rwc-muted);
  text-decoration: none; border-radius: 6px; font-size: .875rem;
}
.rwc-settings-nav-link:hover { background: var(--rwc-surface-2); color: var(--rwc-text); }
.rwc-settings-panels .rwc-card { margin-bottom: 1.25rem; }

/* Timeline */
.rwc-timeline { list-style: none; margin: 0; padding: 0; }
.rwc-timeline li {
  padding: .6rem 0; border-bottom: 1px solid var(--rwc-border);
  display: flex; flex-wrap: wrap; gap: .5rem; font-size: .85rem;
}
.rwc-timeline-time { color: var(--rwc-muted); min-width: 140px; }
.rwc-timeline-action { font-weight: 500; }

/* Responsive */
@media (max-width: 1024px) {
  .rwc-grid-2 { grid-template-columns: 1fr; }
  .rwc-settings-layout { grid-template-columns: 1fr; }
  .rwc-settings-nav { position: static; display: flex; flex-wrap: wrap; gap: .25rem; margin-bottom: 1rem; }
}

@media (max-width: 768px) {
  .rwc-sidebar { transform: translateX(-100%); }
  .rwc-sidebar.is-open { transform: translateX(0); }
  .rwc-sidebar-close { display: block; }
  .rwc-sidebar-overlay.is-visible { display: block; }
  .rwc-main { margin-left: 0; }
  .rwc-menu-toggle { display: flex; }
  .rwc-user-name { display: none; }
  .rwc-kpi-grid { grid-template-columns: 1fr 1fr; }
  .rwc-content { padding: 1rem; }
  .rwc-table th, .rwc-table td { padding: .6rem .5rem; font-size: .8rem; }
}

@media (max-width: 414px) {
  .rwc-kpi-grid { grid-template-columns: 1fr; }
  .rwc-topbar-search { display: none; }
}

/* ========== Product Catalogue Grid ========== */
.rwc-product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1.25rem;
}
.rwc-product-card {
  background: var(--rwc-surface);
  border: 1px solid var(--rwc-border);
  border-radius: var(--rwc-radius);
  overflow: hidden;
  transition: transform .2s, box-shadow .2s;
  display: flex;
  flex-direction: column;
}
.rwc-product-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 28px rgba(0,0,0,.25);
}
.rwc-product-img {
  position: relative;
  aspect-ratio: 1;
  background: var(--rwc-surface-2);
  overflow: hidden;
}
.rwc-product-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .35s ease;
}
.rwc-product-card:hover .rwc-product-img img {
  transform: scale(1.05);
}
.rwc-stock-badge {
  position: absolute;
  top: 10px;
  left: 10px;
  font-size: .7rem;
  font-weight: 600;
  padding: .25rem .55rem;
  border-radius: 6px;
  backdrop-filter: blur(6px);
}
.rwc-stock-ok { background: rgba(34,197,94,.85); color: #fff; }
.rwc-stock-low { background: rgba(245,158,11,.9); color: #fff; }
.rwc-stock-oos { background: rgba(239,68,68,.9); color: #fff; }
.rwc-product-body {
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: .35rem;
  flex: 1;
}
.rwc-product-sku {
  font-size: .7rem;
  color: var(--rwc-muted);
  text-transform: uppercase;
  letter-spacing: .04em;
}
.rwc-product-title {
  margin: 0;
  font-size: .95rem;
  font-weight: 600;
  line-height: 1.3;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.rwc-product-pricing {
  display: flex;
  align-items: baseline;
  gap: .5rem;
  margin-top: .25rem;
}
.rwc-price {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--rwc-primary);
}
.rwc-retail {
  font-size: .8rem;
  color: var(--rwc-muted);
  text-decoration: line-through;
}
.rwc-product-actions {
  margin-top: auto;
  padding-top: .75rem;
}

/* Inventory with thumbnails */
.rwc-inv-thumb {
  width: 40px;
  height: 40px;
  border-radius: 6px;
  object-fit: cover;
  vertical-align: middle;
  margin-right: 8px;
}
.rwc-stock-bar {
  height: 6px;
  border-radius: 3px;
  background: var(--rwc-surface-2);
  overflow: hidden;
  min-width: 60px;
}
.rwc-stock-bar-fill {
  height: 100%;
  border-radius: 3px;
  background: var(--rwc-success);
}
.rwc-stock-bar-fill.low { background: var(--rwc-warning); }
.rwc-stock-bar-fill.oos { background: var(--rwc-danger); width: 100% !important; opacity: .4; }

/* Listing row with thumb */
.rwc-list-thumb {
  width: 36px;
  height: 36px;
  border-radius: 6px;
  object-fit: cover;
}

@media (max-width: 640px) {
  .rwc-product-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: .75rem;
  }
  .rwc-product-body { padding: .75rem; }
  .rwc-product-title { font-size: .85rem; }
  .rwc-price { font-size: 1rem; }
}
@media (max-width: 380px) {
  .rwc-product-grid { grid-template-columns: 1fr; }
}

/* ========== Detail Pages ========== */
.rwc-detail-header {
  display: flex; flex-wrap: wrap; align-items: flex-start; justify-content: space-between;
  gap: 1rem; margin-bottom: 1.5rem;
}
.rwc-detail-header h1 { margin: 0 0 .35rem; font-size: 1.5rem; }
.rwc-detail-meta { display: flex; flex-wrap: wrap; gap: .5rem; align-items: center; }
.rwc-detail-actions { display: flex; flex-wrap: wrap; gap: .5rem; }
.rwc-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin-bottom: 1.25rem;
}
.rwc-detail-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-bottom: 1.25rem;
}
.rwc-detail-full { grid-column: 1 / -1; }
.rwc-detail-label { font-size: .75rem; color: var(--rwc-muted); text-transform: uppercase; letter-spacing: .04em; margin-bottom: .25rem; }
.rwc-detail-value { font-size: .95rem; font-weight: 500; }
.rwc-detail-gallery {
  display: grid;
  grid-template-columns: 1fr;
  gap: .75rem;
}
.rwc-detail-gallery-main {
  aspect-ratio: 1;
  border-radius: var(--rwc-radius);
  overflow: hidden;
  background: var(--rwc-surface-2);
  border: 1px solid var(--rwc-border);
}
.rwc-detail-gallery-main img { width: 100%; height: 100%; object-fit: cover; }
.rwc-detail-gallery-thumbs {
  display: flex; gap: .5rem; flex-wrap: wrap;
}
.rwc-detail-gallery-thumbs img {
  width: 64px; height: 64px; object-fit: cover; border-radius: 8px;
  border: 2px solid transparent; cursor: pointer;
}
.rwc-detail-gallery-thumbs img.is-active,
.rwc-detail-gallery-thumbs img:hover { border-color: var(--rwc-primary); }
.rwc-tabs {
  display: flex; gap: .25rem; border-bottom: 1px solid var(--rwc-border);
  margin-bottom: 1.25rem; overflow-x: auto; -webkit-overflow-scrolling: touch;
}
.rwc-tab {
  padding: .65rem 1rem; font-size: .875rem; color: var(--rwc-muted);
  background: none; border: none; border-bottom: 2px solid transparent;
  cursor: pointer; white-space: nowrap; min-height: 44px;
}
.rwc-tab.is-active { color: var(--rwc-text); border-bottom-color: var(--rwc-primary); font-weight: 600; }
.rwc-tab-panel { display: none; }
.rwc-tab-panel.is-active { display: block; }
.rwc-timeline-v {
  list-style: none; margin: 0; padding: 0 0 0 1.25rem;
  border-left: 2px solid var(--rwc-border);
}
.rwc-timeline-v li {
  position: relative; padding: 0 0 1.25rem 1.25rem;
}
.rwc-timeline-v li::before {
  content: ''; position: absolute; left: -1.35rem; top: .35rem;
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--rwc-primary); border: 2px solid var(--rwc-surface);
}
.rwc-timeline-v .tl-date { font-size: .75rem; color: var(--rwc-muted); }
.rwc-timeline-v .tl-action { font-weight: 600; font-size: .9rem; }
.rwc-timeline-v .tl-note { font-size: .85rem; color: var(--rwc-muted); }
.rwc-back-link {
  display: inline-flex; align-items: center; gap: .35rem;
  color: var(--rwc-muted); font-size: .875rem; text-decoration: none;
  margin-bottom: .75rem;
}
.rwc-back-link:hover { color: var(--rwc-text); }
.rwc-clickable-row { cursor: pointer; }
.rwc-clickable-row:hover td { background: var(--rwc-surface-2); }
.rwc-modal-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,.6); z-index: 200;
  display: flex; align-items: center; justify-content: center; padding: 1rem;
}
.rwc-modal {
  background: var(--rwc-surface); border: 1px solid var(--rwc-border);
  border-radius: var(--rwc-radius); padding: 1.5rem; max-width: 420px; width: 100%;
}
.rwc-modal h3 { margin: 0 0 .75rem; }
.rwc-modal-actions { display: flex; gap: .5rem; justify-content: flex-end; margin-top: 1.25rem; }
.rwc-btn-danger { background: var(--rwc-danger); color: #fff; }
.rwc-btn-danger:hover { filter: brightness(1.1); }

@media (max-width: 900px) {
  .rwc-detail-grid, .rwc-detail-grid-3 { grid-template-columns: 1fr; }
}