:root {
  --bg: #f0f4f8;
  --card: #ffffff;
  --text: #0f172a;
  --muted: #64748b;
  --primary: #1d4ed8;
  --primary-soft: #dbeafe;
  --success: #059669;
  --warning: #d97706;
  --danger: #dc2626;
  --border: #e2e8f0;
  --shadow: 0 1px 3px rgba(15, 23, 42, 0.08);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

.hidden { display: none !important; }

.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  background: linear-gradient(135deg, #1e3a8a 0%, #1e40af 40%, #0f172a 100%);
}

.login-card {
  width: 100%;
  max-width: 400px;
  background: var(--card);
  border-radius: 16px;
  padding: 2rem 2rem 1.75rem;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.25);
}

.brand {
  text-align: center;
  margin-bottom: 1.25rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--border);
}

.brand-logo {
  display: block;
  height: 52px;
  width: auto;
  max-width: 200px;
  margin: 0 auto 1rem;
}

.brand h1 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.4rem;
  letter-spacing: 0.02em;
}

.brand-tagline {
  color: var(--muted);
  font-size: 0.8125rem;
  line-height: 1.5;
  margin-bottom: 0.35rem;
}

.brand p { color: var(--muted); font-size: 0.875rem; }

.login-form {
  margin-top: 0.25rem;
}

.login-card label {
  display: block;
  margin-bottom: 1rem;
  font-size: 0.875rem;
  font-weight: 600;
}

.login-card input {
  display: block;
  width: 100%;
  margin-top: 0.35rem;
  padding: 0.65rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.9375rem;
}

.brand-domain {
  margin-top: 0.15rem;
  font-size: 0.75rem;
  color: #94a3b8;
  font-weight: 500;
  letter-spacing: 0.03em;
}

.login-hint {
  margin-top: 1rem;
  font-size: 0.75rem;
  color: var(--muted);
  text-align: center;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.875rem 1.25rem;
  background: #0f172a;
  color: #fff;
}

.topbar-left { display: flex; align-items: center; gap: 0.65rem; flex-wrap: wrap; }
.topbar-logo {
  height: 30px;
  width: auto;
  max-width: 160px;
  filter: brightness(0) invert(1);
  opacity: 0.95;
}
.topbar-title {
  font-size: 0.9375rem;
  font-weight: 600;
  white-space: nowrap;
}
.topbar .subtitle {
  font-size: 0.75rem;
  opacity: 0.65;
  white-space: nowrap;
}

.topbar-right { display: flex; align-items: center; gap: 0.75rem; }

.tabs {
  display: flex;
  gap: 0.25rem;
  padding: 0.5rem 1rem;
  background: #fff;
  border-bottom: 1px solid var(--border);
  overflow-x: auto;
}

.tabs button {
  border: none;
  background: transparent;
  padding: 0.5rem 0.875rem;
  border-radius: 8px;
  cursor: pointer;
  white-space: nowrap;
  font-size: 0.875rem;
  color: var(--muted);
}

.tabs button.active {
  background: var(--primary-soft);
  color: var(--primary);
  font-weight: 600;
}

.content { padding: 1.25rem; max-width: 1400px; margin: 0 auto; }

.tab-panel { display: none; }
.tab-panel.active { display: block; }

.btn {
  border: 1px solid var(--border);
  background: #fff;
  padding: 0.45rem 0.875rem;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.875rem;
}

.btn.primary { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn.danger { background: var(--danger); color: #fff; border-color: var(--danger); }
.btn.ghost { background: transparent; color: inherit; border-color: rgba(255,255,255,0.25); }
.btn.sm.danger { color: var(--danger); border-color: #fecaca; background: #fff; }
tr.row-defective td { background: #fff7f7; }
.btn.block { width: 100%; margin-top: 0.5rem; padding: 0.7rem; }
.btn.sm { padding: 0.25rem 0.5rem; font-size: 0.75rem; }

.card {
  background: var(--card);
  border-radius: 12px;
  padding: 1rem 1.125rem;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}

.card h3 { font-size: 1rem; margin-bottom: 0.875rem; }

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 0.875rem;
  margin-bottom: 1rem;
}

.stat-card {
  background: var(--card);
  border-radius: 12px;
  padding: 1rem;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.stat-card .label { font-size: 0.8125rem; color: var(--muted); }
.stat-card .value { font-size: 1.75rem; font-weight: 700; margin-top: 0.25rem; }
.stat-card .sub { font-size: 0.75rem; color: var(--muted); margin-top: 0.25rem; }

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

@media (max-width: 900px) {
  .grid-2 { grid-template-columns: 1fr; }
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
  align-items: center;
}

.toolbar input, .toolbar select {
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.875rem;
}

.toolbar input[type="search"] { min-width: 220px; flex: 1; }

.table-wrap {
  overflow-x: auto;
  background: var(--card);
  border-radius: 12px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

table { width: 100%; border-collapse: collapse; font-size: 0.875rem; }
th, td { padding: 0.65rem 0.75rem; text-align: left; border-bottom: 1px solid var(--border); }
th { background: #f8fafc; font-weight: 600; color: var(--muted); font-size: 0.8125rem; }
tr:hover td { background: #f8fafc; }

.badge {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
}

.badge.in_transit { background: #fef3c7; color: #92400e; }
.badge.in_stock { background: #d1fae5; color: #065f46; }
.badge.reserved { background: #dbeafe; color: #1e40af; }
.badge.outbound { background: #f1f5f9; color: #475569; }
.badge.defective { background: #fee2e2; color: #b91c1c; }
.badge.good { background: #ecfdf5; color: #047857; }
.badge.new { background: #fef3c7; color: #b45309; }
.badge.accepted { background: #dbeafe; color: #1d4ed8; }
.badge.contacted { background: #e0e7ff; color: #4338ca; }
.badge.fulfilled { background: #d1fae5; color: #047857; }
.badge.cancelled { background: #f1f5f9; color: #64748b; }

.config-box { font-size: 13px; line-height: 1.5; color: #334155; background: #f8fafc; border-radius: 8px; padding: 10px 12px; margin-bottom: 10px; }
.detail-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px 12px; margin-bottom: 12px; font-size: 13px; }
.detail-grid span { display: block; color: #64748b; font-size: 11px; }
.btn.small { padding: 4px 10px; font-size: 12px; }

.hint-text { font-size: 0.8125rem; color: var(--muted); margin-bottom: 0.75rem; }
.field-label { font-size: 0.875rem; font-weight: 600; margin-bottom: 0.5rem; }
.checkbox-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 0.35rem 0.75rem;
  margin-bottom: 0.75rem;
}
.checkbox-grid label {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-weight: 400;
  font-size: 0.8125rem;
  margin-bottom: 0;
}
.checkbox-grid input { width: auto; margin: 0; }
.defect-tags { display: flex; flex-wrap: wrap; gap: 0.25rem; }
.defect-tag {
  font-size: 0.6875rem;
  padding: 0.1rem 0.4rem;
  border-radius: 4px;
  background: #fee2e2;
  color: #b91c1c;
}

.price { font-weight: 600; color: var(--primary); }
.price-market { color: var(--success); }

form label {
  display: block;
  margin-bottom: 0.75rem;
  font-size: 0.875rem;
  font-weight: 600;
}

form input, form select, form textarea {
  display: block;
  width: 100%;
  margin-top: 0.3rem;
  padding: 0.55rem 0.65rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 400;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 1rem;
}

.form-grid .full { grid-column: 1 / -1; }

.mini-list { display: flex; flex-direction: column; gap: 0.5rem; }

.mini-item {
  padding: 0.65rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.8125rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
}

.mini-item strong { font-size: 0.875rem; }

.sales-banner {
  background: linear-gradient(135deg, #1e40af, #3b82f6);
  color: #fff;
  border-radius: 12px;
  padding: 1.25rem;
  margin-bottom: 1rem;
}

.sales-banner h2 { font-size: 1.125rem; margin-bottom: 0.35rem; }
.sales-banner p { opacity: 0.9; font-size: 0.875rem; }

.sales-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 0.875rem;
}

.sales-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1rem;
  box-shadow: var(--shadow);
}

.sales-card h4 { margin-bottom: 0.5rem; }
.sales-card .row { display: flex; justify-content: space-between; font-size: 0.8125rem; padding: 0.25rem 0; }
.sales-card .row .k { color: var(--muted); }

.model-table { width: 100%; font-size: 0.8125rem; }
.model-table td, .model-table th { padding: 0.4rem 0.5rem; }

dialog {
  border: none;
  border-radius: 12px;
  padding: 1.25rem;
  max-width: 640px;
  width: calc(100% - 2rem);
  box-shadow: 0 25px 50px rgba(0,0,0,0.25);
}

dialog::backdrop { background: rgba(15, 23, 42, 0.45); }

.dialog-body { max-height: 60vh; overflow-y: auto; margin: 1rem 0; }
.dialog-actions { display: flex; justify-content: flex-end; gap: 0.5rem; margin-top: 1rem; }

.detail-grid {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 0.35rem 0.75rem;
  font-size: 0.875rem;
}

.detail-grid .k { color: var(--muted); }

.empty {
  text-align: center;
  color: var(--muted);
  padding: 2rem;
  font-size: 0.875rem;
}

/* ── Mobile / responsive ── */
.mobile-only { display: none; }
.mobile-card-list { display: none; }
.mobile-nav { display: none; }

.page-head h2 { font-size: 1.125rem; font-weight: 700; }
.page-head p { font-size: 0.8125rem; color: var(--muted); margin-top: 0.15rem; }

.quick-actions {
  display: none;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.625rem;
  margin-bottom: 1rem;
}

.quick-action {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding: 0.875rem 0.5rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  min-height: 72px;
  box-shadow: var(--shadow);
}

.quick-action .ico { font-size: 1.35rem; line-height: 1; }

.m-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0.875rem;
  box-shadow: var(--shadow);
}

.m-card.defective { border-color: #fecaca; background: #fffbfb; }

.m-card-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.5rem;
  margin-bottom: 0.625rem;
}

.m-card-head strong { font-size: 1rem; }

.m-card-badges { display: flex; flex-wrap: wrap; gap: 0.25rem; justify-content: flex-end; }

.m-card-rows { display: grid; gap: 0.35rem; font-size: 0.8125rem; }

.m-card-row { display: flex; justify-content: space-between; gap: 0.75rem; }
.m-card-row .k { color: var(--muted); flex-shrink: 0; }
.m-card-row .v { text-align: right; word-break: break-word; }

.m-card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border);
}

.m-card-actions .btn { flex: 1; min-width: calc(50% - 0.25rem); min-height: 40px; }

.mobile-nav {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 100;
  background: #fff;
  border-top: 1px solid var(--border);
  padding: 0.35rem 0.25rem calc(0.35rem + env(safe-area-inset-bottom, 0px));
  justify-content: space-around;
  box-shadow: 0 -4px 20px rgba(15, 23, 42, 0.08);
}

.mobile-nav button {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.15rem;
  border: none;
  background: transparent;
  color: var(--muted);
  font-size: 0.6875rem;
  padding: 0.35rem 0.15rem;
  border-radius: 8px;
  cursor: pointer;
  min-height: 48px;
}

.mobile-nav button .ico { font-size: 1.25rem; line-height: 1; }

.mobile-nav button.active {
  color: var(--primary);
  background: var(--primary-soft);
  font-weight: 600;
}

.mobile-nav button.hidden { display: none; }

.mobile-more-dialog h3 { margin-bottom: 1rem; font-size: 1rem; }

.more-menu {
  display: grid;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.more-menu button {
  display: block;
  width: 100%;
  text-align: left;
  padding: 0.875rem 1rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: #f8fafc;
  font-size: 0.9375rem;
  font-weight: 600;
  cursor: pointer;
  min-height: 48px;
}

@media (max-width: 768px) {
  .mobile-only { display: block; }
  .mobile-card-list { display: flex; flex-direction: column; gap: 0.75rem; }
  .desktop-table { display: none !important; }
  .mobile-nav { display: flex; }
  .quick-actions { display: grid; }

  .login-card { padding: 1.5rem 1.25rem; }
  .login-card input { font-size: 16px; padding: 0.75rem; min-height: 48px; }
  .login-card .btn.block { min-height: 48px; font-size: 1rem; }

  .topbar {
    padding: 0.625rem 0.875rem;
    flex-wrap: wrap;
    gap: 0.5rem;
  }

  .topbar-left { flex: 1; min-width: 0; }
  .topbar-title { font-size: 0.875rem; }
  .topbar .subtitle { display: none; }
  .topbar-logo { height: 26px; max-width: 120px; }
  #userBadge { display: none; }
  .topbar-right .btn.ghost { padding: 0.4rem 0.65rem; font-size: 0.8125rem; min-height: 36px; }

  .tabs { display: none; }

  .content {
    padding: 0.875rem;
    padding-bottom: calc(5rem + env(safe-area-inset-bottom, 0px));
  }

  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 0.625rem; }
  .stat-card { padding: 0.75rem; }
  .stat-card .value { font-size: 1.5rem; }
  .stat-card .label { font-size: 0.75rem; }

  .toolbar { flex-direction: column; align-items: stretch; }
  .toolbar input[type="search"],
  .toolbar select { width: 100%; min-width: 0; font-size: 16px; min-height: 44px; }
  .toolbar .btn { width: 100%; min-height: 44px; }
  .block-mobile { width: 100%; }

  .btn { min-height: 40px; }
  .btn.sm { min-height: 36px; padding: 0.4rem 0.65rem; }

  form input, form select, form textarea {
    font-size: 16px;
    min-height: 44px;
  }

  form textarea { min-height: 80px; }

  .form-grid { grid-template-columns: 1fr; }
  .checkbox-grid { grid-template-columns: 1fr 1fr; }

  .sales-grid { grid-template-columns: 1fr; }
  .sales-banner { padding: 1rem; }
  .sales-banner h2 { font-size: 1rem; }

  dialog {
    max-width: none;
    width: 100%;
    height: 100%;
    max-height: 100%;
    margin: 0;
    border-radius: 0;
    padding: 1rem;
    padding-top: calc(1rem + env(safe-area-inset-top, 0px));
    padding-bottom: calc(1rem + env(safe-area-inset-bottom, 0px));
  }

  .dialog-body { max-height: calc(100vh - 180px); }
  .detail-grid { grid-template-columns: 100px 1fr; font-size: 0.8125rem; }

  .dialog-actions {
    flex-direction: column-reverse;
    position: sticky;
    bottom: 0;
    background: #fff;
    padding-top: 0.75rem;
  }

  .dialog-actions .btn { width: 100%; min-height: 48px; }

  .card { padding: 0.875rem; }
  .grid-2 { gap: 0.875rem; }

  .model-table { font-size: 0.75rem; }
  .model-table td, .model-table th { padding: 0.35rem 0.25rem; }
}

@media (min-width: 769px) and (max-width: 1024px) {
  .tabs button { padding: 0.45rem 0.65rem; font-size: 0.8125rem; }
  .content { padding: 1rem; }
}

.web-order-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.badge.payment.paid { background: #d1fae5; color: #065f46; }
.badge.payment.unpaid { background: #fee2e2; color: #991b1b; }

.config-cell { max-width: 220px; line-height: 1.4; }
.config-cell small { color: var(--muted); }

.config-box a { color: var(--primary); }

@media (max-width: 768px) {
  .web-order-stats { grid-template-columns: repeat(2, 1fr); }
}