:root {
  --sider: #001529;
  --sider-2: #000c17;
  --primary: #1677ff;
  --primary-hover: #4096ff;
  --bg: #f5f6f8;
  --panel: #ffffff;
  --text: #1f1f1f;
  --muted: #8c8c8c;
  --line: #f0f0f0;
  --danger: #ff4d4f;
  --ok: #52c41a;
  --warn: #fa8c16;
  --confirm: #eb2f96;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  color: var(--text);
  background: var(--bg);
}

a { color: inherit; text-decoration: none; }
button, input, select { font: inherit; }

.btn {
  border: 1px solid #d9d9d9;
  background: #fff;
  color: var(--text);
  border-radius: 6px;
  padding: 7px 14px;
  cursor: pointer;
  line-height: 1.4;
}
.btn:hover { border-color: var(--primary); color: var(--primary); }
.btn.primary {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}
.btn.primary:hover {
  background: var(--primary-hover);
  border-color: var(--primary-hover);
  color: #fff;
}
.btn.danger { color: var(--danger); border-color: #ffccc7; }
.btn.danger:hover { background: #fff2f0; }
.btn.block { width: 100%; }
.btn:disabled { opacity: 0.6; cursor: not-allowed; }
.link-btn {
  border: 0;
  background: transparent;
  color: var(--primary);
  cursor: pointer;
  padding: 0;
}

/* login */
.login-body {
  min-height: 100vh;
  display: grid;
  place-items: center;
  background:
    radial-gradient(circle at 20% 20%, rgba(22, 119, 255, 0.12), transparent 35%),
    linear-gradient(135deg, #0b1a2c, #13293f 45%, #1d3a57);
}
.login-card {
  width: min(420px, calc(100vw - 32px));
  background: #fff;
  border-radius: 12px;
  padding: 36px 32px 28px;
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.25);
}
.login-brand { text-align: center; margin-bottom: 28px; }
.login-logo {
  width: 52px;
  height: 52px;
  margin: 0 auto 12px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, #1677ff, #69b1ff);
  color: #fff;
  font-weight: 800;
}
.login-brand h1 { margin: 0; font-size: 24px; }
.login-brand p { margin: 8px 0 0; color: var(--muted); font-size: 13px; }
.login-form label {
  display: grid;
  gap: 8px;
  margin-bottom: 16px;
  font-size: 13px;
  color: #595959;
}
.login-form input {
  border: 1px solid #d9d9d9;
  border-radius: 6px;
  padding: 10px 12px;
}
.login-form input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(22, 119, 255, 0.15);
}
.login-tip { margin: 14px 0 0; color: var(--muted); font-size: 12px; text-align: center; }
.login-error { margin: 10px 0 0; color: var(--danger); font-size: 13px; text-align: center; min-height: 20px; }

/* layout */
.layout {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.topbar {
  background: #001529;
  color: #fff;
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.topbar-inner {
  width: 100%;
  padding: 0 24px;
  height: 56px;
  display: flex;
  align-items: center;
  gap: 28px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.brand-logo {
  width: 30px;
  height: 30px;
  border-radius: 7px;
  background: var(--primary);
  display: grid;
  place-items: center;
  font-size: 12px;
  font-weight: 800;
}

.brand strong {
  font-size: 15px;
  letter-spacing: 0.2px;
}

.top-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
  min-width: 0;
}

.nav-link {
  padding: 8px 14px;
  border-radius: 6px;
  color: rgba(255,255,255,0.72);
  font-size: 14px;
  line-height: 1;
}

.nav-link:hover {
  color: #fff;
  background: rgba(255,255,255,0.08);
}

.nav-link.active {
  color: #fff;
  background: var(--primary);
}

.user-chip {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-left: auto;
  flex-shrink: 0;
  font-size: 13px;
  color: rgba(255,255,255,0.78);
}

.user-chip .link-btn { color: #69b1ff; }

.content {
  width: 100%;
  padding: 20px 24px 40px;
}
.page { display: none; }
.page.active { display: block; }
.page-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 16px;
  gap: 12px;
}
.page-head h1 { margin: 0; font-size: 22px; }
.sub { margin: 6px 0 0; color: var(--muted); font-size: 13px; }
.panel {
  background: var(--panel);
  border-radius: 10px;
  border: 1px solid #ebeef5;
  padding: 16px;
}
.panel-title {
  margin: 0 0 16px;
  font-size: 15px;
}
.muted { color: var(--muted); font-weight: 400; font-size: 13px; }

.tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 14px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 10px;
}
.tab {
  border: 0;
  background: transparent;
  color: #595959;
  padding: 8px 14px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 14px;
}
.tab span {
  display: inline-block;
  min-width: 18px;
  margin-left: 4px;
  color: var(--muted);
  font-size: 12px;
}
.tab:hover { background: #f5f5f5; }
.tab.active {
  background: #e6f4ff;
  color: var(--primary);
  font-weight: 600;
}
.tab.active span { color: var(--primary); }

.modal textarea {
  width: 100%;
  border: 1px solid #d9d9d9;
  border-radius: 6px;
  padding: 8px 10px;
  resize: vertical;
  font: inherit;
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 14px;
}
.toolbar input,
.toolbar select,
.form-grid input,
.form-grid select,
.modal input,
.modal select {
  border: 1px solid #d9d9d9;
  border-radius: 6px;
  padding: 8px 10px;
  background: #fff;
  min-width: 160px;
}
.toolbar input { min-width: 260px; flex: 1; }

.table-wrap { overflow: auto; }

.pager {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}
.pager-info {
  color: var(--muted);
  font-size: 13px;
}
.pager-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}
.pager-size {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #595959;
  font-size: 13px;
}
.pager-size select {
  min-width: 72px;
  border: 1px solid #d9d9d9;
  border-radius: 6px;
  padding: 6px 8px;
  background: #fff;
}
.pager-page {
  min-width: 64px;
  text-align: center;
  font-size: 13px;
  color: #595959;
}
.data-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 1180px;
  font-size: 13px;
}
.data-table th,
.data-table td {
  border-bottom: 1px solid var(--line);
  padding: 12px 10px;
  text-align: left;
  vertical-align: top;
}
.data-table th {
  background: #fafafa;
  color: #595959;
  font-weight: 600;
  white-space: nowrap;
}
.data-table td { color: #262626; }
.cell-muted { color: var(--muted); }
.cell-wrap { max-width: 180px; word-break: break-all; }
.openid-cell { max-width: 140px; word-break: break-all; font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 12px; }

.tag {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 12px;
  border: 1px solid transparent;
  white-space: nowrap;
}
.tag.waiting_address { background: #fff7e6; color: #d46b08; border-color: #ffd591; }
.tag.pending { background: #e6f4ff; color: #1677ff; border-color: #91caff; }
.tag.pending_confirm { background: #fff0f6; color: #c41d7f; border-color: #ffadd2; }
.tag.shipped { background: #f6ffed; color: #389e0d; border-color: #b7eb8f; }
.tag.received { background: #f9f0ff; color: #531dab; border-color: #d3adf7; }
.tag.abandoned { background: #fafafa; color: #8c8c8c; border-color: #d9d9d9; }
.tag.first { background: #fff1f0; color: #cf1322; }
.tag.second { background: #fff7e6; color: #d46b08; }
.tag.third { background: #f5f5f5; color: #595959; }

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px 16px;
}
.form-grid label,
.modal label {
  display: grid;
  gap: 6px;
  font-size: 13px;
  color: #595959;
}
.form-grid .full { grid-column: 1 / -1; }
.form-actions { display: flex; gap: 10px; }

.modal-mask {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.45);
  display: grid;
  place-items: center;
  z-index: 50;
  padding: 20px;
}
.modal-mask[hidden] { display: none; }
.modal {
  width: min(460px, 100%);
  background: #fff;
  border-radius: 10px;
  padding: 20px;
}
.modal h3 { margin: 0 0 16px; }
.modal label { margin-bottom: 12px; }
.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 8px;
}

@media (max-width: 900px) {
  .topbar-inner {
    height: auto;
    min-height: 56px;
    padding: 10px 0;
    flex-wrap: wrap;
    gap: 10px 16px;
  }
  .top-nav { order: 3; width: 100%; }
  .form-grid { grid-template-columns: 1fr; }
}