:root {
  --color-primary: #2563EB;
  --color-primary-dark: #1D4ED8;
  --color-primary-light: #DBEAFE;
  --color-text: #1F2937;
  --color-text-secondary: #6B7280;
  --color-border: #E5E7EB;
  --color-bg: #F3F4F6;
  --color-white: #FFFFFF;
  --color-danger: #DC2626;
  --radius: 8px;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 6px 20px rgba(37, 99, 235, 0.18);
}

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

body {
  font-family: "Segoe UI", "Microsoft YaHei", "PingFang SC", sans-serif;
  font-size: 14px;
  color: var(--color-text);
  background: var(--color-bg);
}

/* 登录 */
.auth-view {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #2563EB 0%, #1E3A8A 100%);
  padding: 20px;
}

.auth-card {
  width: 380px;
  max-width: 100%;
  background: var(--color-white);
  border-radius: 14px;
  padding: 32px 28px;
  box-shadow: var(--shadow-lg);
}

.auth-logo {
  width: 56px;
  height: 56px;
  margin: 0 auto 12px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: #fff;
  font-size: 24px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

.auth-card h1 {
  text-align: center;
  font-size: 20px;
  margin-bottom: 20px;
  color: var(--color-primary-dark);
}

.auth-tabs {
  display: flex;
  margin-bottom: 18px;
  border-bottom: 1px solid var(--color-border);
}

.auth-tabs .tab {
  flex: 1;
  padding: 10px;
  border: none;
  background: transparent;
  cursor: pointer;
  font-size: 14px;
  color: var(--color-text-secondary);
  border-bottom: 2px solid transparent;
}

.auth-tabs .tab.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
  font-weight: 600;
}

.field { margin-bottom: 14px; }
.field label { display: block; font-size: 12px; color: var(--color-text-secondary); margin-bottom: 6px; }
.field input {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 14px;
  outline: none;
}
.field input:focus { border-color: var(--color-primary); box-shadow: 0 0 0 3px rgba(37,99,235,.12); }

.auth-msg { margin-top: 12px; font-size: 13px; color: var(--color-danger); min-height: 18px; }

/* 按钮 */
.btn {
  padding: 8px 14px;
  border: none;
  border-radius: var(--radius);
  font-size: 13px;
  cursor: pointer;
  transition: background .2s, transform .1s;
  font-family: inherit;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--color-primary); color: #fff; }
.btn-primary:hover { background: var(--color-primary-dark); }
.btn-ghost { background: transparent; color: var(--color-text-secondary); }
.btn-ghost:hover { background: var(--color-bg); }
.btn-small { padding: 4px 10px; font-size: 12px; border-radius: 6px; border: 1px solid var(--color-border); background: var(--color-white); color: var(--color-text); }
.btn-small:hover { border-color: var(--color-primary); color: var(--color-primary); }
.btn-block { width: 100%; padding: 11px; font-size: 15px; }

/* 顶栏 */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
}
.brand { display: flex; align-items: center; gap: 10px; font-size: 16px; font-weight: 700; color: var(--color-primary-dark); }
.brand-badge {
  width: 30px; height: 30px; border-radius: 8px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: #fff; font-size: 13px; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
}
.topbar-right { display: flex; align-items: center; gap: 12px; }
.user-label { font-size: 13px; color: var(--color-text-secondary); }

/* 统计 */
.stats-bar {
  display: flex;
  gap: 16px;
  padding: 16px 20px;
}
.stat-card {
  flex: 1;
  min-width: 0;
  background: var(--color-white);
  border-radius: 10px;
  padding: 16px;
  box-shadow: var(--shadow);
  border-top: 3px solid var(--color-primary);
}
.stat-label { font-size: 12px; color: var(--color-text-secondary); }
.stat-value { font-size: 22px; font-weight: 700; color: var(--color-primary-dark); margin-top: 6px; }

/* 工具栏 */
.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  padding: 0 20px 14px;
}
.toolbar input, .toolbar select {
  padding: 8px 10px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 13px;
  outline: none;
  background: var(--color-white);
}
.toolbar input[type="text"] { flex: 1; min-width: 180px; }

.status-tabs {
  display: flex;
  flex-wrap: nowrap;
  gap: 8px;
  padding: 0 20px 14px;
  overflow-x: auto;
}

.status-tab {
  padding: 5px 14px;
  border: 1px solid var(--color-border);
  border-radius: 16px;
  background: var(--color-white);
  color: var(--color-text);
  font-size: 12px;
  cursor: pointer;
  transition: all 0.15s ease;
  user-select: none;
}

.status-tab:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.status-tab.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
  font-weight: 500;
}

.sub-tab.active {
  background: transparent;
  border-color: var(--color-primary);
  color: var(--color-primary);
  font-weight: 500;
}
.toolbar input[type="number"] { width: 92px; }
.star-filter { display: flex; align-items: center; gap: 5px; font-size: 13px; cursor: pointer; color: var(--color-text-secondary); user-select: none; }

/* 列表 */
.content { padding: 0 20px 20px; }
.order-list { display: flex; flex-direction: column; gap: 10px; }
.order-card {
  background: var(--color-white);
  border-radius: 10px;
  padding: 14px;
  box-shadow: var(--shadow);
  border-left: 3px solid transparent;
  transition: box-shadow .2s;
}
.order-card:hover { box-shadow: var(--shadow-lg); }
.order-card.starred { border-left-color: #F59E0B; }
.order-main { display: flex; gap: 12px; }
.order-img { width: 60px; height: 60px; border-radius: var(--radius); object-fit: cover; background: var(--color-primary-light); flex-shrink: 0; }
.order-img.placeholder { display: flex; align-items: center; justify-content: center; font-size: 26px; color: var(--color-primary); }
.order-info { flex: 1; min-width: 0; }
.order-top { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; margin-bottom: 4px; }
.order-top .order-tags { display: inline-flex; align-items: center; flex-wrap: wrap; gap: 4px; margin-top: 0; }
.order-top .order-owner { margin-left: auto; }
.order-goods { font-weight: 600; font-size: 14px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.order-shop { font-size: 12px; color: var(--color-text-secondary); margin-top: 2px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.order-price { font-size: 13px; font-weight: 600; color: var(--color-text); margin-top: 4px; }
.order-meta { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 6px; font-size: 12px; color: var(--color-text-secondary); align-items: center; }
.order-meta .meta-label { color: #9CA3AF; }
.order-logistics-meta { font-family: Consolas, monospace; }
.order-id { font-family: Consolas, monospace; font-size: 11px; color: #9CA3AF; }
.order-owner { padding: 1px 8px; border-radius: 10px; font-size: 11px; background: var(--color-primary-light, #DBEAFE); color: var(--color-primary-dark, #1D4ED8); }
.order-logistics { display: inline-block; padding: 1px 8px; border-radius: 10px; font-size: 11px; background: #ECFDF5; color: #047857; max-width: 300px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; margin-top: 4px; }
.order-bottom { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-top: 6px; }
.order-bottom .order-time { font-size: 11px; color: #9CA3AF; }
.order-bottom .order-actions { margin-top: 0; }
.order-actions { display: flex; gap: 6px; margin-top: 10px; justify-content: flex-end; }
.order-tags { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 8px; }

.status-chip { padding: 2px 8px; border-radius: 12px; font-size: 11px; font-weight: 500; background: var(--color-bg); color: var(--color-text); white-space: nowrap; }
.status-pending-pay { background: #FEF3C7; color: #B45309; }
.status-pending-ship { background: #DBEAFE; color: #1D4ED8; }
.status-shipping { background: #E0E7FF; color: #4338CA; }
.status-done { background: #D1FAE5; color: #047857; }
.status-cancel { background: #FEE2E2; color: #B91C1C; }
.status-other { background: #F3F4F6; color: #4B5563; }
.sub-status-chip { background: transparent; border: 1px dashed #9CA3AF; color: #6B7280; }

.tag-chip { display: inline-flex; align-items: center; padding: 2px 8px; border-radius: 12px; color: #fff; font-size: 11px; white-space: nowrap; }

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

.pager { display: flex; align-items: center; justify-content: center; gap: 16px; margin-top: 16px; }
#page-info { font-size: 13px; color: var(--color-text-secondary); }

/* 模态框 */
.modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,.45); display: flex; align-items: center; justify-content: center; z-index: 100; }
.modal { width: 460px; max-width: 94vw; max-height: 82vh; background: var(--color-white); border-radius: 12px; box-shadow: var(--shadow-lg); display: flex; flex-direction: column; overflow: hidden; }
.modal-header { display: flex; align-items: center; justify-content: space-between; padding: 14px 18px; background: var(--color-primary-light); border-bottom: 1px solid var(--color-border); }
.modal-header h3 { font-size: 15px; color: var(--color-primary-dark); }
.modal-close { border: none; background: transparent; font-size: 22px; cursor: pointer; color: var(--color-text-secondary); line-height: 1; }
.modal-close:hover { color: var(--color-danger); }
#modal-body { padding: 18px; overflow-y: auto; flex: 1; }
#modal-body.tag-picker-body { display: flex; flex-direction: column; overflow: hidden; }
#modal-body.tag-picker-body .tag-list { flex: 1; min-height: 0; overflow-y: auto; }
.field textarea { width: 100%; padding: 10px; border: 1px solid var(--color-border); border-radius: var(--radius); font-size: 13px; min-height: 80px; outline: none; font-family: inherit; resize: vertical; }
.field textarea:focus { border-color: var(--color-primary); }

.tag-list { display: flex; flex-direction: column; gap: 8px; margin-bottom: 12px; }
.tag-row { display: flex; align-items: center; justify-content: space-between; padding: 6px 10px; border: 1px solid var(--color-border); border-radius: var(--radius); cursor: pointer; }
.tag-row:hover { border-color: var(--color-primary); }
.tag-row .tag-chip { cursor: pointer; }
.note-list { display: flex; flex-direction: column; gap: 8px; margin-bottom: 12px; }
.note-row { display: flex; align-items: center; gap: 8px; padding: 8px 10px; background: var(--color-bg); border-radius: var(--radius); }
.note-content { flex: 1; font-size: 13px; }
.note-time { font-size: 11px; color: #9CA3AF; }

.hint { font-size: 12px; color: #9CA3AF; }
.modal-footer { display: flex; justify-content: flex-end; gap: 8px; margin-top: 14px; }

.auth-hint { margin-top: 12px; font-size: 12px; color: #9CA3AF; line-height: 1.6; }

.muted { font-size: 11px; color: #9CA3AF; }
.btn-danger { color: var(--color-danger); border-color: rgba(220,38,38,.35); }
.btn-danger:hover { background: rgba(220,38,38,.08); }

.user-list { display: flex; flex-direction: column; gap: 8px; margin-bottom: 14px; max-height: 320px; overflow-y: auto; }
.user-row { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 8px 10px; border: 1px solid var(--color-border); border-radius: var(--radius); }
.user-row-info { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.user-row-name { font-weight: 500; font-size: 13px; }
.user-row-actions { display: flex; gap: 6px; }
.role-chip { font-size: 11px; padding: 2px 8px; border-radius: 10px; background: var(--color-bg); border: 1px solid var(--color-border); }
.role-admin { background: rgba(37,99,235,.1); color: var(--color-primary); border-color: rgba(37,99,235,.3); }
.role-enterprise { background: rgba(147,51,234,.1); color: #9333EA; border-color: rgba(147,51,234,.3); }

/* 下载客户端页面 */
.download-wrap { flex: 1; min-height: 0; display: flex; align-items: center; justify-content: center; padding: 20px; }
.download-card {
  width: 100%;
  max-width: 560px;
  text-align: center;
  padding: 40px 36px;
  border-top: 4px solid var(--color-primary);
}
.download-logo {
  width: 64px; height: 64px; border-radius: 16px; margin: 0 auto 18px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: #fff; font-size: 24px; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 8px 20px rgba(59, 130, 246, 0.3);
}
.download-title { font-size: 22px; color: var(--color-text); margin-bottom: 10px; }
.download-version {
  display: inline-block; font-size: 13px; color: var(--color-primary-dark);
  background: var(--color-bg); border: 1px solid var(--color-border);
  padding: 4px 14px; border-radius: 999px; margin-bottom: 18px;
}
.download-desc { font-size: 14px; color: var(--color-text-secondary); line-height: 1.7; margin-bottom: 22px; }
.download-features {
  list-style: none; padding: 0; margin: 0 auto 26px; max-width: 320px;
  display: flex; flex-direction: column; gap: 10px; text-align: left;
}
.download-features li { position: relative; padding-left: 26px; font-size: 14px; color: var(--color-text); }
.download-features li::before {
  content: "\2713"; position: absolute; left: 0; top: 0;
  color: var(--color-primary); font-weight: 700;
}
.btn-download { font-size: 16px; padding: 14px 32px; width: 100%; max-width: 320px; }
.download-server { margin-top: 26px; padding-top: 20px; border-top: 1px solid var(--color-border); }
.download-server-label { display: block; font-size: 12px; color: var(--color-text-secondary); margin-bottom: 8px; }
.download-server code {
  display: inline-block; background: var(--color-bg); border: 1px solid var(--color-border);
  padding: 8px 16px; border-radius: 8px; font-size: 14px; color: var(--color-primary-dark); font-weight: 600;
}
.role-disabled { background: rgba(220,38,38,.08); color: var(--color-danger); border-color: rgba(220,38,38,.3); }
.user-create { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; padding-top: 4px; border-top: 1px solid var(--color-border); }
.user-create input { flex: 1; min-width: 120px; padding: 8px 10px; border: 1px solid var(--color-border); border-radius: var(--radius); font-size: 13px; outline: none; }
.user-create input:focus { border-color: var(--color-primary); }
.user-role-chk { display: flex; align-items: center; gap: 6px; font-size: 12px; white-space: nowrap; }

#toast-container { position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%); z-index: 300; display: flex; flex-direction: column; gap: 8px; align-items: center; }
.toast { background: rgba(31,41,55,.92); color: #fff; padding: 10px 18px; border-radius: 20px; font-size: 13px; opacity: 0; transform: translateY(10px); transition: opacity .3s, transform .3s; }
.toast.show { opacity: 1; transform: translateY(0); }

@media (max-width: 720px) {
  .stats-bar { flex-wrap: wrap; }
  .stat-card { min-width: 42%; }
}

/* ---------- 布局：左侧菜单 + 右侧页面 ---------- */
.layout { display: flex; height: 100vh; }

.sidebar {
  width: 220px;
  flex-shrink: 0;
  background: #111827;
  color: #D1D5DB;
  display: flex;
  flex-direction: column;
}

.sidebar .brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 20px 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.sidebar .brand-badge {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

.sidebar .brand-text { color: #F9FAFB; font-weight: 600; font-size: 15px; }

.side-nav { flex: 1; padding: 14px 10px; display: flex; flex-direction: column; gap: 4px; }

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 14px;
  border: none;
  background: transparent;
  color: #D1D5DB;
  font-size: 14px;
  text-align: left;
  border-radius: 8px;
  cursor: pointer;
  transition: background .15s, color .15s;
}

.nav-item:hover { background: rgba(255, 255, 255, 0.06); color: #F9FAFB; }
.nav-item.active { background: rgba(37, 99, 235, 0.2); color: #fff; }
.nav-icon { font-size: 16px; }

.side-user { padding: 16px 18px; border-top: 1px solid rgba(255, 255, 255, 0.08); }
.side-user .user-label { display: block; font-size: 13px; color: #E5E7EB; margin-bottom: 8px; word-break: break-all; }
.btn-ghost-link { border: none; background: transparent; color: #9CA3AF; font-size: 12px; cursor: pointer; padding: 0; }
.btn-ghost-link:hover { color: #F9FAFB; }

.main { flex: 1; padding: 22px 26px; background: var(--color-bg); display: flex; flex-direction: column; min-height: 0; overflow: hidden; }

.view { display: none; flex: 1; min-height: 0; }
.view.active { display: flex; flex-direction: column; min-height: 0; }

/* 订单列表：滚动只在列表内部，头部/工具栏/分页固定 */
#view-orders .view-header,
#view-orders .stats-bar,
#view-orders .toolbar,
#view-orders .pager { flex-shrink: 0; }
#view-orders .order-list {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  padding-right: 6px;
}
#view-orders .empty { flex: 1; min-height: 0; overflow-y: auto; }

/* 账号管理页面可整体滚动 */
#view-users.active { display: block; overflow-y: auto; }

.view-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; }
.view-header h2 { font-size: 20px; color: var(--color-text); }

.card { background: var(--color-white); border-radius: 12px; box-shadow: var(--shadow); padding: 8px; }

.data-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.data-table th, .data-table td { text-align: left; padding: 11px 12px; border-bottom: 1px solid var(--color-border); }
.data-table thead th { font-size: 12px; color: var(--color-text-secondary); background: #FAFAFA; }
.data-table tbody tr:hover { background: #F9FAFB; }
.data-table tbody tr:last-child td { border-bottom: none; }
.td-username { font-weight: 500; color: var(--color-text); }
.td-actions, .th-actions { text-align: right; white-space: nowrap; }
.td-actions .btn small { display: inline-block; }