/* 常用卡系统 - 管理端 + 首页样式 */
:root {
  --primary: #1677ff;
  --primary-light: #e6f4ff;
  --primary-dark: #0958d9;
  --success: #52c41a;
  --success-light: #f6ffed;
  --warning: #faad14;
  --danger: #ff4d4f;
  --danger-light: #fff2f0;
  --gray: #8c8c8c;
  --gray-light: #f5f5f5;
  --text: #1f1f1f;
  --text-secondary: #666;
  --border: #d9d9d9;
  --bg: #f0f2f5;
  --card-bg: #fff;
  --sidebar-bg: #001529;
  --sidebar-text: #fff;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

/* Login Page */
.login-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
}

.login-box {
  background: var(--card-bg);
  border-radius: 8px;
  padding: 40px;
  width: 400px;
  box-shadow: 0 8px 24px rgba(0,0,0,.15);
}

.login-box h2 {
  text-align: center;
  color: var(--primary);
  margin-bottom: 32px;
  font-size: 24px;
}

.login-box .logo-icon {
  display: block;
  text-align: center;
  font-size: 36px;
  margin-bottom: 8px;
}

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

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

.form-group input, .form-group select {
  width: 100%;
  height: 40px;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 14px;
  transition: border-color .2s;
  outline: none;
}

.form-group input:focus, .form-group select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px var(--primary-light);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 36px;
  padding: 0 16px;
  border: none;
  border-radius: 6px;
  font-size: 14px;
  cursor: pointer;
  transition: all .2s;
  gap: 4px;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
}

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

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

.btn-success:hover { background: #389e0d; }

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

.btn-danger:hover { background: #cf1322; }

.btn-default {
  background: var(--card-bg);
  color: var(--text);
  border: 1px solid var(--border);
}

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

.btn-block {
  width: 100%;
  height: 40px;
  font-size: 16px;
}

.btn-sm { height: 28px; padding: 0 12px; font-size: 12px; }

/* Layout */
.app-layout {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: 220px;
  background: var(--sidebar-bg);
  color: var(--sidebar-text);
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
}

.sidebar-header {
  height: 56px;
  display: flex;
  align-items: center;
  padding: 0 16px;
  font-size: 16px;
  font-weight: 600;
  border-bottom: 1px solid rgba(255,255,255,.1);
  gap: 8px;
}

.sidebar-header .icon { font-size: 20px; }

.sidebar-menu {
  flex: 1;
  padding: 8px 0;
}

.menu-item {
  display: flex;
  align-items: center;
  padding: 12px 24px;
  cursor: pointer;
  transition: background .2s;
  gap: 8px;
  font-size: 14px;
}

.menu-item:hover { background: rgba(255,255,255,.08); }

.menu-item.active { background: var(--primary); }

.menu-item .icon { font-size: 16px; width: 20px; text-align: center; }

.main-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.topbar {
  height: 56px;
  background: var(--card-bg);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
}

.topbar-title {
  font-size: 16px;
  font-weight: 500;
}

.topbar-user {
  display: flex;
  align-items: center;
  gap: 12px;
}

.topbar-user .username {
  font-size: 14px;
  color: var(--text-secondary);
}

.content-area {
  flex: 1;
  padding: 24px;
  overflow-y: auto;
}

/* Stats Cards */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--card-bg);
  border-radius: 8px;
  padding: 20px;
  box-shadow: 0 1px 4px rgba(0,0,0,.06);
}

.stat-card .label {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.stat-card .value {
  font-size: 28px;
  font-weight: 600;
  color: var(--text);
}

.stat-card .value.money { color: var(--primary); }

.stat-card.primary .value { color: var(--primary); }
.stat-card.success .value { color: var(--success); }
.stat-card.danger .value { color: var(--danger); }
.stat-card.gray .value { color: var(--gray); }

/* Table */
.table-wrapper {
  background: var(--card-bg);
  border-radius: 8px;
  box-shadow: 0 1px 4px rgba(0,0,0,.06);
  overflow: hidden;
}

.table-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
}

.table-header h3 {
  font-size: 16px;
  font-weight: 500;
}

.table-actions {
  display: flex;
  gap: 8px;
  align-items: center;
}

.filter-bar {
  display: flex;
  gap: 12px;
  padding: 12px 20px;
  border-bottom: 1px solid var(--border);
  align-items: center;
  flex-wrap: wrap;
}

.filter-bar input, .filter-bar select {
  height: 32px;
  padding: 0 8px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 13px;
  outline: none;
}

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

table {
  width: 100%;
  border-collapse: collapse;
}

th {
  background: var(--gray-light);
  font-weight: 500;
  text-align: left;
  padding: 12px 16px;
  font-size: 14px;
  color: var(--text-secondary);
  white-space: nowrap;
}

td {
  padding: 12px 16px;
  font-size: 14px;
  border-bottom: 1px solid var(--border);
}

tr:last-child td { border-bottom: none; }

tr:hover td { background: var(--primary-light); }

/* Badge */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 500;
}

.badge-success { background: var(--success-light); color: var(--success); }
.badge-danger { background: var(--danger-light); color: var(--danger); }
.badge-gray { background: #f0f0f0; color: var(--gray); }
.badge-primary { background: var(--primary-light); color: var(--primary); }
.badge-warning { background: #fffbe6; color: var(--warning); }

/* Pagination */
.pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
}

.pagination-info { font-size: 13px; color: var(--text-secondary); }

.pagination-btns { display: flex; gap: 4px; }

.pagination-btns button {
  height: 32px;
  min-width: 32px;
  padding: 0 8px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--card-bg);
  cursor: pointer;
  font-size: 13px;
}

.pagination-btns button:hover { border-color: var(--primary); color: var(--primary); }
.pagination-btns button.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.pagination-btns button:disabled { opacity: .5; cursor: not-allowed; }

/* Modal */
.modal-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,.45);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.modal-box {
  background: var(--card-bg);
  border-radius: 8px;
  width: 480px;
  max-height: 80vh;
  overflow-y: auto;
  box-shadow: 0 6px 16px rgba(0,0,0,.15);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
}

.modal-header h3 { font-size: 16px; }

.modal-close {
  cursor: pointer;
  font-size: 18px;
  color: var(--text-secondary);
  background: none;
  border: none;
}

.modal-body { padding: 24px; }

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  padding: 12px 24px;
  border-top: 1px solid var(--border);
}

/* Alert */
.alert {
  padding: 8px 16px;
  border-radius: 6px;
  font-size: 14px;
  margin-bottom: 16px;
}

.alert-error { background: var(--danger-light); color: var(--danger); }
.alert-success { background: var(--success-light); color: var(--success); }

/* Homepage */
.home-hero {
  background: linear-gradient(135deg, var(--primary) 0%, #4d8ff8 50%, var(--primary-dark) 100%);
  min-height: 480px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: #fff;
  padding: 60px 20px;
}

.home-hero h1 {
  font-size: 48px;
  margin-bottom: 16px;
  font-weight: 700;
}

.home-hero p {
  font-size: 20px;
  opacity: .9;
  max-width: 600px;
  margin: 0 auto 32px;
}

.home-hero .btn-outline {
  background: rgba(255,255,255,.2);
  color: #fff;
  border: 2px solid rgba(255,255,255,.5);
  padding: 12px 32px;
  border-radius: 8px;
  font-size: 16px;
  cursor: pointer;
  transition: all .2s;
}

.home-hero .btn-outline:hover {
  background: rgba(255,255,255,.35);
  border-color: #fff;
}

.home-section {
  padding: 60px 20px;
  max-width: 960px;
  margin: 0 auto;
}

.home-section h2 {
  text-align: center;
  font-size: 32px;
  margin-bottom: 48px;
  color: var(--text);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--card-bg);
  border-radius: 12px;
  padding: 32px 24px;
  text-align: center;
  box-shadow: 0 2px 8px rgba(0,0,0,.06);
  transition: transform .2s;
}

.feature-card:hover { transform: translateY(-4px); }

.feature-card .icon {
  font-size: 40px;
  color: var(--primary);
  margin-bottom: 16px;
}

.feature-card h3 {
  font-size: 18px;
  margin-bottom: 8px;
}

.feature-card p {
  font-size: 14px;
  color: var(--text-secondary);
}

.steps-list {
  display: flex;
  gap: 32px;
  align-items: flex-start;
}

.step-item {
  flex: 1;
  text-align: center;
  position: relative;
}

.step-num {
  width: 48px;
  height: 48px;
  background: var(--primary);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 600;
  margin: 0 auto 12px;
}

.step-item h3 {
  font-size: 16px;
  margin-bottom: 6px;
}

.step-item p {
  font-size: 13px;
  color: var(--text-secondary);
}

.contact-box {
  background: var(--card-bg);
  border-radius: 12px;
  padding: 32px;
  text-align: center;
  box-shadow: 0 2px 8px rgba(0,0,0,.06);
}

.contact-box p {
  font-size: 16px;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.home-footer {
  background: var(--sidebar-bg);
  color: rgba(255,255,255,.7);
  text-align: center;
  padding: 24px 20px;
  font-size: 14px;
}

.home-nav {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(0,21,41,.9);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
  height: 56px;
  z-index: 100;
}

.home-nav .logo {
  font-size: 18px;
  color: #fff;
  font-weight: 600;
}

.home-nav .nav-links {
  display: flex;
  gap: 24px;
}

.home-nav .nav-links a {
  color: rgba(255,255,255,.85);
  font-size: 14px;
  text-decoration: none;
  transition: color .2s;
}

.home-nav .nav-links a:hover { color: #fff; }

/* Responsive */
@media (max-width: 768px) {
  .sidebar { width: 0; overflow: hidden; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .features-grid { grid-template-columns: 1fr; }
  .steps-list { flex-direction: column; }
  .filter-bar { flex-direction: column; }
  .home-hero h1 { font-size: 32px; }
}

/* Loading */
.loading-spinner {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
  color: var(--text-secondary);
}

.loading-spinner::before {
  content: '';
  width: 24px;
  height: 24px;
  border: 3px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin .8s linear infinite;
  margin-right: 8px;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* Empty state */
.empty-state {
  text-align: center;
  padding: 40px;
  color: var(--text-secondary);
}

.empty-state .icon { font-size: 48px; margin-bottom: 12px; opacity: .3; }

/* Tooltip style info */
.text-muted { color: var(--text-secondary); }
.text-small { font-size: 12px; }
.text-primary { color: var(--primary); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-center { text-align: center; }
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mb-8 { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }
.gap-8 { gap: 8px; }
.flex { display: flex; }
.items-center { align-items: center; }