/* ===== 查单网站 v2 全局样式 ===== */

:root {
  --primary: #4A90D9;
  --primary-light: #E8F0FE;
  --primary-dark: #3570B0;
  --success: #52C41A;
  --success-light: #F0FFF0;
  --warning: #FAAD14;
  --warning-light: #FFFBE6;
  --danger: #FF4D4F;
  --danger-light: #FFF2F0;
  --text: #333333;
  --text-secondary: #888888;
  --text-light: #BBBBBB;
  --bg: #F5F7FA;
  --card-bg: #FFFFFF;
  --border: #E8E8E8;
  --shadow: 0 2px 8px rgba(0,0,0,0.08);
  --radius: 12px;
  --radius-sm: 8px;
  --transition: 0.2s ease;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ===== 动画 ===== */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes slideUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes spin {
  to { transform: rotate(360deg); }
}
@keyframes toastIn {
  from { opacity: 0; transform: translateY(-100%); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes toastOut {
  from { opacity: 1; transform: translateY(0); }
  to { opacity: 0; transform: translateY(-100%); }
}

.fade-in { animation: fadeIn 0.3s ease; }
.slide-up { animation: slideUp 0.3s ease; }

/* ===== 登录页 ===== */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  padding: 20px;
}

.login-box {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 40px 32px;
  width: 100%;
  max-width: 380px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.15);
  animation: slideUp 0.4s ease;
}

.login-box h1 {
  text-align: center;
  margin-bottom: 8px;
  font-size: 24px;
  color: var(--primary);
}

.login-box .subtitle {
  text-align: center;
  color: var(--text-secondary);
  margin-bottom: 32px;
  font-size: 14px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 6px;
  font-size: 14px;
  color: var(--text-secondary);
  font-weight: 500;
}

.form-group input {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 16px;
  transition: border-color var(--transition);
  outline: none;
}

.form-group input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 20px;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

.btn:active {
  transform: scale(0.96);
}

.btn-primary {
  background: var(--primary);
  color: white;
  width: 100%;
  padding: 14px;
  font-size: 16px;
}

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

.btn-success {
  background: var(--success);
  color: white;
}

.btn-success:hover { background: #45A818; }

.btn-danger {
  background: var(--danger);
  color: white;
}

.btn-danger:hover { background: #E04345; }

.btn-warning {
  background: var(--warning);
  color: white;
}

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

.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.btn-sm {
  padding: 6px 12px;
  font-size: 12px;
}

.btn-block { width: 100%; }

/* ===== Toast ===== */
.toast-container {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10000;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}

.toast {
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  color: white;
  font-size: 14px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.15);
  animation: toastIn 0.3s ease;
  pointer-events: auto;
  white-space: nowrap;
}

.toast.success { background: var(--success); }
.toast.error { background: var(--danger); }
.toast.warning { background: var(--warning); }
.toast.info { background: var(--primary); }

.toast.hiding {
  animation: toastOut 0.3s ease forwards;
}

/* ===== 主布局 ===== */
.app-page {
  min-height: 100vh;
  background: var(--bg);
}

/* 顶部导航 */
.top-bar {
  background: var(--card-bg);
  padding: 12px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: 0 1px 4px rgba(0,0,0,0.06);
  position: sticky;
  top: 0;
  z-index: 100;
}

.top-bar .title {
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
}

.top-bar .user-info {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  color: var(--text-secondary);
}

/* Tab导航 */
.tab-nav {
  display: flex;
  background: var(--card-bg);
  padding: 0;
  border-bottom: 1px solid var(--border);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  position: sticky;
  top: 52px;
  z-index: 99;
}

.tab-nav .tab {
  flex: 1;
  min-width: 80px;
  padding: 12px 8px;
  text-align: center;
  font-size: 14px;
  color: var(--text-secondary);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: all var(--transition);
  white-space: nowrap;
}

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

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

/* 内容区 */
.content {
  padding: 16px;
  max-width: 1200px;
  margin: 0 auto;
}

.tab-content {
  display: none;
  animation: fadeIn 0.2s ease;
}

.tab-content.active {
  display: block;
}

/* ===== 卡片 ===== */
.card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 12px;
  box-shadow: var(--shadow);
  animation: slideUp 0.3s ease;
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.card-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
}

.card-subtitle {
  font-size: 12px;
  color: var(--text-secondary);
}

/* ===== 概览统计 ===== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 16px;
}

.stat-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 16px;
  text-align: center;
  box-shadow: var(--shadow);
}

.stat-value {
  font-size: 28px;
  font-weight: 700;
  color: var(--primary);
}

.stat-label {
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 4px;
}

/* ===== 账号列表 ===== */
.account-item {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 14px 16px;
  margin-bottom: 10px;
  box-shadow: var(--shadow);
  transition: all var(--transition);
}

.account-item:active {
  transform: scale(0.98);
}

.account-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.account-qq {
  font-size: 16px;
  font-weight: 600;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 500;
}

.status-badge .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
}

.status-badge.online { background: var(--success-light); color: var(--success); }
.status-badge.online .dot { background: var(--success); }

.status-badge.offline { background: var(--danger-light); color: var(--danger); }
.status-badge.offline .dot { background: var(--danger); }

.status-badge.error { background: var(--warning-light); color: #D48806; }
.status-badge.error .dot { background: var(--warning); }

.status-badge.full { background: #F0F0F0; color: var(--text-secondary); }
.status-badge.full .dot { background: var(--text-light); }

.account-info {
  display: flex;
  gap: 16px;
  font-size: 13px;
  color: var(--text-secondary);
}

.account-actions {
  display: flex;
  gap: 8px;
  margin-top: 10px;
  justify-content: flex-end;
}

/* ===== 订单列表 ===== */
.order-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
}

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

.order-amount {
  font-weight: 600;
  color: var(--primary);
}

.order-time {
  color: var(--text-secondary);
  font-size: 12px;
}

.order-type {
  font-size: 13px;
  color: var(--text-primary);
}

/* ===== 结账卡片 ===== */
.settle-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  margin-bottom: 12px;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.settle-card .sc-header {
  padding: 14px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border);
}

.settle-card .sc-title {
  font-size: 16px;
  font-weight: 600;
}

.sc-tags {
  display: flex;
  gap: 8px;
}

.sc-tag {
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 12px;
}

.sc-tag.pending { background: var(--warning-light); color: #D48806; }
.sc-tag.confirmed { background: var(--success-light); color: var(--success); }

.sc-section {
  padding: 0 16px;
}

.sc-section-title {
  padding: 10px 0;
  font-size: 14px;
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
}

.sc-section-title .sc-amount {
  color: var(--primary);
  font-weight: 600;
}

.sc-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 0;
  border-bottom: 1px solid #F5F5F5;
  font-size: 13px;
}

.sc-row .sc-qq { font-weight: 500; min-width: 100px; }
.sc-row .sc-info { color: var(--text-secondary); }
.sc-row .sc-time { color: var(--text-light); font-size: 12px; }
.sc-row .sc-actions { display: flex; gap: 6px; }

.sc-footer {
  padding: 12px 16px;
  display: flex;
  gap: 8px;
  justify-content: flex-end;
  border-top: 1px solid var(--border);
}

.sc-fold-arrow {
  transition: transform 0.2s;
  font-size: 12px;
}

.sc-fold-arrow.open {
  transform: rotate(180deg);
}

/* ===== 空状态 ===== */
.empty-state {
  text-align: center;
  padding: 40px 20px;
  color: var(--text-light);
}

.empty-state .empty-icon {
  font-size: 48px;
  margin-bottom: 12px;
}

.empty-state .empty-text {
  font-size: 14px;
}

/* ===== Loading ===== */
.loading {
  text-align: center;
  padding: 40px 20px;
  color: var(--text-secondary);
}

.loading .spinner {
  display: inline-block;
  width: 24px;
  height: 24px;
  border: 3px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin-bottom: 8px;
}

/* ===== 弹窗 ===== */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0,0,0,0.4);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  animation: fadeIn 0.2s ease;
}

.modal-box {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 24px;
  width: 100%;
  max-width: 400px;
  animation: slideUp 0.3s ease;
}

.modal-box h3 {
  margin-bottom: 12px;
  font-size: 18px;
}

.modal-box p {
  margin-bottom: 20px;
  color: var(--text-secondary);
  font-size: 14px;
}

.modal-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
}

/* ===== 管理端额外样式 ===== */

/* 固定表头表格 */
.table-wrapper {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.data-table thead {
  position: sticky;
  top: 0;
  background: var(--card-bg);
  z-index: 10;
}

.data-table th {
  padding: 10px 12px;
  text-align: left;
  font-weight: 600;
  color: var(--text-secondary);
  border-bottom: 2px solid var(--border);
  white-space: nowrap;
}

.data-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.data-table tbody tr:hover {
  background: var(--primary-light);
}

/* 筛选栏 */
.filter-bar {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
  flex-wrap: wrap;
  align-items: center;
}

.filter-bar select,
.filter-bar input {
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 13px;
  outline: none;
  background: var(--card-bg);
}

.filter-bar select:focus,
.filter-bar input:focus {
  border-color: var(--primary);
}

/* 管理端侧边栏（大屏）/ 底部Tab（移动端） */
.admin-layout {
  display: flex;
  min-height: calc(100vh - 52px);
}

.admin-sidebar {
  width: 200px;
  background: var(--card-bg);
  border-right: 1px solid var(--border);
  padding: 8px 0;
  flex-shrink: 0;
}

.admin-sidebar .menu-item {
  padding: 12px 20px;
  font-size: 14px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition);
  display: flex;
  align-items: center;
  gap: 8px;
}

.admin-sidebar .menu-item:hover {
  background: var(--primary-light);
  color: var(--primary);
}

.admin-sidebar .menu-item.active {
  background: var(--primary-light);
  color: var(--primary);
  font-weight: 600;
  border-right: 3px solid var(--primary);
}

.admin-main {
  flex: 1;
  padding: 20px;
  overflow-x: auto;
}

/* ===== 响应式 ===== */
@media (max-width: 768px) {
  .admin-layout {
    flex-direction: column;
  }
  
  .admin-sidebar {
    width: 100%;
    display: flex;
    overflow-x: auto;
    border-right: none;
    border-bottom: 1px solid var(--border);
    padding: 0;
  }
  
  .admin-sidebar .menu-item {
    padding: 10px 14px;
    white-space: nowrap;
    border-right: none;
    border-bottom: 2px solid transparent;
    font-size: 13px;
  }
  
  .admin-sidebar .menu-item.active {
    border-right: none;
    border-bottom-color: var(--primary);
  }
  
  .admin-main {
    padding: 12px;
  }
  
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
  }
  
  .stat-value {
    font-size: 22px;
  }
  
  .card {
    padding: 12px;
  }
}

@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: 1fr 1fr;
  }
  
  .login-box {
    padding: 28px 20px;
  }
  
  .account-actions {
    flex-wrap: wrap;
  }
}