/* 翎 · 管理后台样式 */
:root {
  --jade: #5B7B6F;
  --jade-light: #7A9E8E;
  --jade-dark: #3D5A4E;
  --gold: #A08040;
  --gold-light: #C4A060;
  --bg: #F8F5F0;
  --bg-warm: #F3EFE8;
  --card: #FFFFFF;
  --ink: #1A1A1A;
  --text: #2C2C2C;
  --text-secondary: #7A7A7A;
  --text-muted: #B0B0B0;
  --border: #E8E4DC;
  --border-light: #F0EDE6;
  --red: #C75050;
  --sidebar-width: 220px;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* 登录页面 */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
}

.login-box {
  background: var(--card);
  border: 1px solid var(--border-light);
  padding: 48px 40px;
  width: 400px;
  max-width: 90vw;
}

.login-brand {
  text-align: center;
  margin-bottom: 40px;
}

.login-brand h1 {
  font-size: 24px;
  font-weight: 300;
  letter-spacing: 6px;
  color: var(--jade);
  margin-bottom: 8px;
}

.login-brand p {
  font-size: 12px;
  color: var(--text-muted);
  letter-spacing: 2px;
}

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

.login-form label {
  display: block;
  font-size: 12px;
  color: var(--text-secondary);
  letter-spacing: 2px;
  margin-bottom: 8px;
}

.login-form input {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border);
  background: var(--bg);
  font-size: 14px;
  color: var(--ink);
  outline: none;
  transition: border-color 0.2s;
}

.login-form input:focus {
  border-color: var(--jade);
}

.login-btn {
  width: 100%;
  padding: 14px;
  background: var(--jade);
  color: #fff;
  border: none;
  font-size: 14px;
  letter-spacing: 3px;
  cursor: pointer;
  margin-top: 12px;
  transition: opacity 0.2s;
}

.login-btn:hover {
  opacity: 0.9;
}

.login-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* 主布局 */
.dashboard-layout {
  display: flex;
  min-height: 100vh;
}

/* 侧边栏 */
.sidebar {
  width: var(--sidebar-width);
  background: var(--ink);
  color: #fff;
  position: fixed;
  height: 100vh;
  overflow-y: auto;
  z-index: 100;
}

.sidebar-brand {
  padding: 32px 24px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.sidebar-brand h2 {
  font-size: 18px;
  font-weight: 300;
  letter-spacing: 4px;
  color: #fff;
}

.sidebar-brand span {
  font-size: 11px;
  color: var(--text-muted);
  letter-spacing: 1px;
  display: block;
  margin-top: 4px;
}

.sidebar-nav {
  padding: 16px 0;
}

.nav-item {
  display: flex;
  align-items: center;
  padding: 14px 24px;
  cursor: pointer;
  transition: background 0.2s;
  color: rgba(255,255,255,0.6);
  font-size: 13px;
  letter-spacing: 1px;
  text-decoration: none;
}

.nav-item:hover {
  background: rgba(255,255,255,0.05);
  color: #fff;
}

.nav-item.active {
  background: var(--jade);
  color: #fff;
}

.nav-icon {
  width: 20px;
  text-align: center;
  margin-right: 12px;
  font-size: 15px;
}

.sidebar-footer {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 16px 24px;
  border-top: 1px solid rgba(255,255,255,0.08);
  font-size: 11px;
  color: rgba(255,255,255,0.3);
  letter-spacing: 1px;
}

/* 主内容区 */
.main-content {
  flex: 1;
  margin-left: var(--sidebar-width);
  min-height: 100vh;
}

.top-bar {
  background: var(--card);
  border-bottom: 1px solid var(--border-light);
  padding: 16px 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 50;
}

.top-bar h2 {
  font-size: 16px;
  font-weight: 400;
  letter-spacing: 2px;
  color: var(--ink);
}

.top-bar-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

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

.logout-btn {
  font-size: 12px;
  color: var(--text-muted);
  background: none;
  border: 1px solid var(--border);
  padding: 6px 14px;
  cursor: pointer;
  letter-spacing: 1px;
  transition: all 0.2s;
}

.logout-btn:hover {
  border-color: var(--red);
  color: var(--red);
}

.content-body {
  padding: 24px 32px;
}

/* 统计卡片 */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--card);
  border: 1px solid var(--border-light);
  padding: 24px;
}

.stat-label {
  font-size: 12px;
  color: var(--text-muted);
  letter-spacing: 2px;
  margin-bottom: 12px;
}

.stat-value {
  font-size: 28px;
  font-weight: 300;
  color: var(--ink);
  letter-spacing: 1px;
  font-family: 'DIN Alternate', -apple-system, sans-serif;
}

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

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

/* 内容卡片 */
.content-card {
  background: var(--card);
  border: 1px solid var(--border-light);
  margin-bottom: 20px;
}

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

.card-title {
  font-size: 14px;
  letter-spacing: 2px;
  color: var(--ink);
  font-weight: 400;
}

.card-action {
  font-size: 12px;
  color: var(--jade);
  border: 1px solid var(--jade);
  padding: 6px 16px;
  cursor: pointer;
  background: none;
  letter-spacing: 1px;
  transition: all 0.2s;
}

.card-action:hover {
  background: var(--jade);
  color: #fff;
}

.card-body {
  padding: 0;
}

/* 表格 */
.data-table {
  width: 100%;
  border-collapse: collapse;
}

.data-table th,
.data-table td {
  padding: 14px 24px;
  text-align: left;
  font-size: 13px;
  border-bottom: 1px solid var(--border-light);
}

.data-table th {
  font-weight: 400;
  color: var(--text-muted);
  letter-spacing: 1px;
  font-size: 12px;
  background: var(--bg-warm);
}

.data-table td {
  color: var(--text);
}

.data-table tr:hover td {
  background: var(--bg-warm);
}

.table-img {
  width: 48px;
  height: 48px;
  object-fit: cover;
  background: var(--bg-warm);
}

/* 状态标签 */
.status-tag {
  display: inline-block;
  padding: 2px 8px;
  font-size: 11px;
  letter-spacing: 1px;
}

.status-tag.pending { color: var(--red); border: 1px solid var(--red); }
.status-tag.paid { color: var(--gold); border: 1px solid var(--gold); }
.status-tag.shipped { color: var(--jade); border: 1px solid var(--jade); }
.status-tag.completed { color: var(--text-muted); border: 1px solid var(--text-muted); }
.status-tag.cancelled { color: var(--text-muted); border: 1px solid var(--border); }

/* 操作按钮 */
.table-btn {
  font-size: 12px;
  color: var(--jade);
  background: none;
  border: 1px solid var(--jade);
  padding: 4px 10px;
  cursor: pointer;
  margin-right: 6px;
  letter-spacing: 1px;
}

.table-btn:hover {
  background: var(--jade);
  color: #fff;
}

.table-btn.danger {
  color: var(--red);
  border-color: var(--red);
}

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

/* 分页 */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 16px 24px;
  gap: 8px;
}

.page-btn {
  padding: 6px 12px;
  font-size: 12px;
  border: 1px solid var(--border);
  background: none;
  cursor: pointer;
  color: var(--text-secondary);
}

.page-btn:hover:not(:disabled) {
  border-color: var(--jade);
  color: var(--jade);
}

.page-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.page-info {
  font-size: 12px;
  color: var(--text-muted);
  margin: 0 8px;
}

/* 筛选栏 */
.filter-bar {
  display: flex;
  gap: 12px;
  padding: 16px 24px;
  border-bottom: 1px solid var(--border-light);
  align-items: center;
}

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

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

/* 弹窗 */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0,0,0,0.4);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-box {
  background: var(--card);
  border: 1px solid var(--border-light);
  width: 560px;
  max-width: 90vw;
  max-height: 90vh;
  overflow-y: auto;
}

.modal-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border-light);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-title {
  font-size: 15px;
  letter-spacing: 2px;
  font-weight: 400;
}

.modal-close {
  font-size: 20px;
  color: var(--text-muted);
  cursor: pointer;
  background: none;
  border: none;
}

.modal-body {
  padding: 24px;
}

.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border-light);
  display: flex;
  justify-content: flex-end;
  gap: 12px;
}

.modal-btn {
  padding: 10px 24px;
  font-size: 13px;
  letter-spacing: 2px;
  cursor: pointer;
  border: none;
}

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

.modal-btn.secondary {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-secondary);
}

/* 表单 */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  margin-bottom: 16px;
}

.form-group.full {
  grid-column: 1 / -1;
}

.form-group label {
  display: block;
  font-size: 12px;
  color: var(--text-secondary);
  letter-spacing: 1px;
  margin-bottom: 6px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  background: var(--bg);
  font-size: 13px;
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--jade);
}

.form-group textarea {
  height: 80px;
  resize: vertical;
}

/* 隐藏视图 */
.view-section {
  display: none;
}

.view-section.active {
  display: block;
}

/* 空状态 */
.empty-state {
  text-align: center;
  padding: 60px 0;
  color: var(--text-muted);
}

.empty-state-icon {
  font-size: 48px;
  opacity: 0.3;
  margin-bottom: 16px;
}

/* Toast */
.toast {
  position: fixed;
  top: 24px;
  right: 24px;
  background: var(--ink);
  color: #fff;
  padding: 12px 24px;
  font-size: 13px;
  letter-spacing: 1px;
  z-index: 300;
  animation: slideIn 0.3s ease;
}

.toast.success {
  background: var(--jade);
}

.toast.error {
  background: var(--red);
}

@keyframes slideIn {
  from { transform: translateX(100px); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* 响应式 */
@media (max-width: 1024px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .form-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
  }
  .main-content {
    margin-left: 0;
  }
  .stats-grid {
    grid-template-columns: 1fr;
  }
}