:root {
  --bg: #edf1f5;
  --panel: #ffffff;
  --ink: #15202b;
  --muted: #687787;
  --line: #d7e0e8;
  --accent: #0f766e;
  --accent-dark: #0b5f59;
  --danger: #b91c1c;
  --success: #15803d;
  --warning: #b45309;
  --shadow: 0 18px 45px rgba(22, 34, 45, .09);
}

body {
  min-height: 100vh;
  margin: 0;
  background: var(--bg) !important;
  color: var(--ink);
  font-family: "Segoe UI", "Microsoft YaHei", Arial, sans-serif !important;
}

.container-fluid {
  width: min(1320px, calc(100% - 32px));
  margin: 0 auto;
  padding: 22px 0 46px !important;
}

.main-container {
  margin: 0 !important;
  padding: 0 !important;
  background: transparent !important;
  border-radius: 0 !important;
  box-shadow: none !important;
  backdrop-filter: none !important;
}

.nike-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.nike-back,
.nike-logout {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 0 13px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
  font-weight: 800;
  text-decoration: none;
  cursor: pointer;
}

.nike-back:hover,
.nike-logout:hover {
  color: var(--ink);
  border-color: #9db1bf;
  background: #fff;
}

.nike-user {
  align-items: center;
  gap: 12px;
  color: var(--muted);
  font-size: 14px;
}

.nike-user strong {
  color: var(--ink);
}

.header.nike-hero,
.control-panel,
.status-bar,
.table-container {
  border: 1px solid var(--line) !important;
  border-radius: 12px !important;
  background: var(--panel) !important;
  box-shadow: 0 8px 22px rgba(22, 34, 45, .05) !important;
}

.header.nike-hero {
  margin-bottom: 14px !important;
  padding: 26px !important;
  text-align: left !important;
  box-shadow: var(--shadow) !important;
}

.header.nike-hero h1 {
  margin: 0;
  color: var(--ink) !important;
  font-size: 32px;
  line-height: 1.15;
  letter-spacing: 0;
}

.header.nike-hero p {
  margin: 9px 0 0;
  color: var(--muted) !important;
  font-size: 15px;
}

.nike-eyebrow {
  margin: 0 0 8px !important;
  color: var(--accent) !important;
  font-size: 14px !important;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: none;
}

.control-panel {
  padding: 18px !important;
  margin-bottom: 14px !important;
}

.form-label {
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.form-control,
.form-select {
  min-height: 44px;
  border-color: var(--line) !important;
  border-radius: 8px !important;
  color: var(--ink);
  font: inherit;
}

.input-group > .btn,
.form-control:focus,
.form-select:focus {
  box-shadow: none !important;
}

.form-control:focus,
.form-select:focus {
  border-color: var(--accent) !important;
}

.btn,
.btn-custom {
  min-height: 44px;
  border-radius: 8px !important;
  font-weight: 900 !important;
  transition: background .16s ease, border-color .16s ease;
}

.btn-custom:hover {
  transform: none !important;
  box-shadow: none !important;
}

.btn-primary-custom,
.btn-success-custom {
  background: var(--accent) !important;
  color: #fff !important;
}

.btn-primary-custom:hover,
.btn-success-custom:hover {
  background: var(--accent-dark) !important;
}

.btn-warning-custom {
  background: var(--warning) !important;
  color: #fff !important;
}

.btn-outline-secondary {
  border-color: var(--line) !important;
  color: var(--ink) !important;
  background: #fff !important;
}

.status-bar {
  margin-bottom: 14px !important;
  padding: 15px 16px !important;
  border-left: 1px solid var(--line) !important;
  color: var(--muted);
}

.status-bar.success {
  border-color: #b9e3c5 !important;
  background: #f1fbf4 !important;
  color: var(--success);
}

.status-bar.error {
  border-color: #f3b4b4 !important;
  background: #fff1f1 !important;
  color: var(--danger);
}

.loading {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  color: var(--muted);
}

.table-container {
  overflow: hidden !important;
}

.table {
  margin: 0;
  color: var(--ink);
}

.table thead th {
  background: #f8fafc !important;
  color: var(--muted) !important;
  border-bottom: 1px solid var(--line) !important;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0;
  white-space: nowrap;
}

.table tbody td {
  border-color: #eef2f7 !important;
  vertical-align: middle;
}

.table-striped > tbody > tr:nth-of-type(odd) > * {
  --bs-table-accent-bg: #fbfdff;
}

.history-item,
#siteStockResult .card,
#productInfo .card {
  border: 1px solid var(--line) !important;
  border-radius: 8px !important;
  background: #fff !important;
  box-shadow: none !important;
}

.modal-content {
  border: 0;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 26px 70px rgba(22, 34, 45, .22);
}

.modal-header {
  background: var(--ink) !important;
  color: #fff;
}

#loginOverlay,
#loginModal {
  display: none !important;
}

@media (max-width: 768px) {
  .container-fluid {
    width: min(100% - 22px, 1320px);
    padding-top: 12px !important;
  }

  .nike-topbar {
    align-items: stretch;
    flex-direction: column;
  }

  .nike-user {
    justify-content: space-between;
  }

  .header.nike-hero {
    padding: 22px !important;
  }

  .header.nike-hero h1 {
    font-size: 28px;
  }
}

.stale-result { opacity: .55; }
#nikeQueryStatus .message { padding: 12px 16px; margin: 12px 0; background: #fff; border: 1px solid var(--line); border-radius: 8px; }
#nikeQueryStatus .error { color: #b91c1c; }
#nikeQueryStatus button, #productInfo button { margin-left: 10px; padding: 6px 12px; border: 1px solid var(--line); border-radius: 6px; }
.query-help { color: var(--muted); font-size: 13px; margin: 12px 0; }
@media (max-width: 768px) {
  .nike-topbar { flex-direction: row; flex-wrap: wrap; align-items: center; gap: 8px; }
  .nike-user { margin-left: auto; gap: 8px; }
  .control-panel .d-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .control-panel #saveBtn { grid-column: 1 / -1; }
  .control-panel .form-group { margin-bottom: 0; }
  .control-panel .form-label:empty { display: none; }
}