:root {
  --navy: #2a3aa0;
  --navy-dark: #131c6b;
  --red: #ee1515;
  --red-dark: #c10d0d;
  --gold: #ffcb05;
  --gold-dark: #e0ac00;
  --bg: #f4f6fa;
  --card: #ffffff;
  --text: #1a2233;
  --muted: #667085;
  --border: #e3e7ef;
  --green: #1a8a4a;
  --amber: #b8860b;
  --gray: #8a94a6;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}

a { color: inherit; }

.topbar {
  background: var(--navy);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 28px;
  border-bottom: 3px solid var(--gold);
}

.topbar .brand {
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: 0.02em;
  display: flex;
  align-items: center;
  gap: 10px;
}

.topbar .brand .dot {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  display: inline-block;
  background: linear-gradient(to bottom, var(--red) 0%, var(--red) 48%, #fff 48%, #fff 100%);
  border: 2px solid #1a1a1a;
  position: relative;
  box-sizing: content-box;
}

.topbar .brand .dot::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 6px;
  height: 6px;
  background: #fff;
  border: 2px solid #1a1a1a;
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.topbar .user-info {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 0.9rem;
  color: #cfd6e4;
}

.topbar form { margin: 0; }

.btn {
  display: inline-block;
  padding: 8px 16px;
  border-radius: 6px;
  border: none;
  background: var(--red);
  color: #fff;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
}

.btn:hover { background: var(--red-dark); }

.btn-secondary {
  background: transparent;
  border: 1px solid #4a5875;
  color: #cfd6e4;
}

.btn-secondary:hover { background: rgba(255,255,255,0.08); }

.btn-small {
  padding: 4px 10px;
  font-size: 0.78rem;
  border-radius: 5px;
}

.btn-outline {
  background: #fff;
  border: 1px solid var(--border);
  color: var(--text);
}

.btn-outline:hover { background: #f1f3f7; }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 28px;
}

.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(160deg, var(--navy) 0%, var(--navy-dark) 100%);
}

.auth-card {
  background: var(--card);
  border-radius: 12px;
  padding: 36px 40px;
  width: 100%;
  max-width: 380px;
  box-shadow: 0 20px 50px rgba(0,0,0,0.3);
  border-top: 5px solid var(--gold);
}

.auth-card h1 {
  font-size: 1.3rem;
  margin: 0 0 4px;
  touch-action: manipulation;
  -webkit-user-select: none;
  user-select: none;
}

.brand-logo {
  text-align: center;
  margin: 0 0 10px;
}

.brand-logo-main {
  display: block;
  font-size: 2.6rem;
  font-weight: 900;
  font-style: italic;
  color: var(--gold);
  -webkit-text-stroke: 2px var(--navy);
  paint-order: stroke fill;
  text-shadow: 3px 3px 0 rgba(19, 28, 107, 0.25);
  letter-spacing: 0.01em;
  line-height: 1.1;
}

.brand-logo-sub {
  display: block;
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--navy);
  letter-spacing: 0.4em;
  margin-top: 2px;
}

.auth-card p.sub {
  color: var(--muted);
  margin: 0 0 24px;
  font-size: 0.9rem;
}

.field {
  margin-bottom: 16px;
}

.field label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--muted);
}

.field input, .field select, .field textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 7px;
  font-size: 0.95rem;
  font-family: inherit;
}

.field input:focus, .field select:focus, .field textarea:focus {
  outline: 2px solid var(--navy);
  outline-offset: -1px;
  border-color: var(--navy);
}

.error-msg {
  background: #fdecec;
  color: #a12626;
  padding: 10px 14px;
  border-radius: 7px;
  font-size: 0.85rem;
  margin-bottom: 16px;
}

.success-msg {
  background: #e5f6ec;
  color: #146c38;
  padding: 12px 16px;
  border-radius: 7px;
  font-size: 0.88rem;
  margin-bottom: 16px;
  border: 1px solid #bfe6cf;
}

.auth-card .btn { width: 100%; padding: 11px; margin-top: 4px; }

.admin-link {
  display: block;
  text-align: center;
  margin-top: 18px;
  font-size: 0.78rem;
  color: var(--gray);
  text-decoration: none;
}

.admin-link:hover { color: var(--muted); text-decoration: underline; }

.admin-modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(16, 26, 46, 0.65);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 100;
}

.admin-modal-backdrop[hidden] {
  display: none;
}

.admin-modal {
  background: var(--card);
  border-radius: 12px;
  padding: 28px 32px;
  width: 100%;
  max-width: 340px;
  box-shadow: 0 20px 50px rgba(0,0,0,0.35);
}

.admin-modal h2 {
  font-size: 1.05rem;
  margin: 0 0 18px;
}

.admin-modal .btn { width: 100%; padding: 10px; margin-top: 4px; }

h1.page-title {
  font-size: 1.5rem;
  margin: 0 0 4px;
}

.page-sub {
  color: var(--muted);
  margin: 0 0 24px;
  font-size: 0.92rem;
}

.filter-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 28px;
}

.filter-btn {
  display: inline-block;
  padding: 8px 16px;
  border-radius: 100px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
}

.filter-btn:hover { background: #f1f3f7; }

.filter-btn.active {
  background: var(--navy);
  border-color: var(--navy);
  color: #fff;
}

.category-block { margin-bottom: 36px; }

.category-block h2 {
  font-size: 1.05rem;
  border-bottom: 2px solid var(--navy);
  padding-bottom: 8px;
  margin-bottom: 16px;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 14px;
}

.product-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.product-card .name {
  font-weight: 600;
  font-size: 0.94rem;
  line-height: 1.35;
}

.qty-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-top: auto;
  padding-top: 8px;
}

.qty-row label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--muted);
}

.qty-input {
  width: 70px;
  padding: 6px 8px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.9rem;
  text-align: center;
}

.qty-input:focus {
  outline: 2px solid var(--navy);
  outline-offset: -1px;
  border-color: var(--navy);
}

.inquiry-submit-bar {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px 24px;
  margin-top: 12px;
  max-width: 480px;
}

.inquiry-submit-bar .btn {
  width: 100%;
}

.product-image {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: contain;
  background: #f8f9fc;
  border-radius: 8px;
  border: 1px solid var(--border);
}

.product-image-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray);
  font-size: 0.78rem;
}

.badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  padding: 3px 9px;
  border-radius: 100px;
  width: fit-content;
}

.badge-in_stock { background: #e5f6ec; color: var(--green); }
.badge-preorder { background: #fdf2dc; color: var(--amber); }
.badge-backorder { background: #f1f2f5; color: var(--gray); }
.badge-sold_out { background: #f1f2f5; color: var(--gray); }

.price-row {
  font-size: 0.88rem;
  color: var(--text);
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.price-row .price-line strong { color: var(--navy); }

.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--muted);
}

table.admin-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--card);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

table.admin-table th, table.admin-table td {
  padding: 10px 14px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  font-size: 0.88rem;
}

table.admin-table th {
  background: #f8f9fc;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--muted);
}

table.admin-table tr:last-child td { border-bottom: none; }

.admin-section {
  margin-bottom: 40px;
}

.admin-section-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
}

.admin-section-head h2 { margin: 0; font-size: 1.15rem; }

.status-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-right: 6px;
}

.status-dot.on { background: var(--green); }
.status-dot.off { background: var(--gray); }

.actions-cell { display: flex; gap: 6px; }

form.inline { display: inline; }

.form-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 24px;
  max-width: 560px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.back-link {
  display: inline-block;
  margin-bottom: 16px;
  color: var(--muted);
  font-size: 0.88rem;
  text-decoration: none;
}
.back-link:hover { color: var(--text); }

.inquiry-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
  margin-bottom: 20px;
  max-width: 720px;
}

.inquiry-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}

.inquiry-date {
  font-size: 0.82rem;
  color: var(--muted);
}

.inquiry-note {
  font-size: 0.88rem;
  margin: 12px 0 0;
  color: var(--text);
}

.inquiry-total {
  font-size: 1rem;
  margin: 14px 0 0;
}

.inquiry-actions {
  display: flex;
  gap: 8px;
  margin-top: 16px;
}

.quote-item-row {
  display: grid;
  grid-template-columns: 2fr 90px 90px 100px;
  gap: 10px;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
}

.quote-item-row:last-child { border-bottom: none; }

.quote-item-row .qty-input,
.quote-item-row .price-input {
  width: 100%;
}

.quote-total-row {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  padding-top: 14px;
  font-size: 1.05rem;
}

.table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: 10px;
}

.table-scroll table.admin-table {
  border-radius: 0;
}

/* ---- Mobile ---- */

@media (max-width: 720px) {
  .container { padding: 16px; }

  .topbar {
    padding: 12px 16px;
    flex-wrap: wrap;
    row-gap: 10px;
  }

  .topbar .brand { font-size: 1rem; }

  .topbar .user-info {
    gap: 8px;
    font-size: 0.8rem;
    flex-wrap: wrap;
    row-gap: 8px;
    width: 100%;
    justify-content: flex-end;
  }

  .auth-page {
    align-items: flex-start;
    padding: 32px 16px;
  }

  .auth-card {
    padding: 28px 22px;
    max-width: 100%;
  }

  .brand-logo-main { font-size: 2.1rem; }
  .brand-logo-sub { font-size: 0.88rem; letter-spacing: 0.28em; }

  .admin-modal { padding: 24px 20px; max-height: 90vh; overflow-y: auto; }

  h1.page-title { font-size: 1.3rem; }
  .page-sub { font-size: 0.85rem; }

  .filter-nav { gap: 6px; margin-bottom: 20px; }
  .filter-btn { padding: 7px 12px; font-size: 0.8rem; }

  .product-grid {
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 10px;
  }

  .product-card { padding: 10px; gap: 6px; }
  .product-card .name { font-size: 0.84rem; }
  .qty-row { flex-direction: column; align-items: stretch; gap: 4px; }
  .qty-input { width: 100%; }

  .inquiry-submit-bar { max-width: 100%; padding: 16px; }

  .form-card { padding: 18px; max-width: 100%; }
  .form-row { grid-template-columns: 1fr; }

  .admin-section-head { flex-wrap: wrap; gap: 8px; }
  .admin-section-head h2 { font-size: 1rem; }

  table.admin-table { min-width: 640px; }

  .inquiry-card { padding: 16px; max-width: 100%; }
  .inquiry-card-head { flex-wrap: wrap; gap: 6px; }
  .inquiry-actions { flex-direction: column; }
  .inquiry-actions form,
  .inquiry-actions .btn { width: 100%; }

  .quote-item-row-header { display: none; }

  .quote-item-row {
    grid-template-columns: 1fr 1fr;
    grid-template-areas:
      "name name"
      "qty price"
      "total total";
    row-gap: 8px;
  }

  .quote-item-row > div:first-child { grid-area: name; }
  .quote-item-row input[data-qty] { grid-area: qty; }
  .quote-item-row input[data-price] { grid-area: price; }
  .quote-item-row [data-line-total] { grid-area: total; text-align: right; font-weight: 600; }

  .actions-cell { flex-wrap: wrap; }
}