/* ============================================
   AZLG 管理后台 - 全局样式
   ============================================ */

/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

/* CSS 变量 */
:root {
  --brand: #F97316;
  --brand-dark: #ea580c;
  --brand-light: #fed7aa;
  --brand-bg: #fff7ed;

  --sidebar-bg: #1e293b;
  --sidebar-text: #94a3b8;
  --sidebar-active: #f97316;
  --sidebar-hover: #334155;

  --bg: #f1f5f9;
  --card-bg: #ffffff;
  --text: #1e293b;
  --text-secondary: #64748b;
  --text-muted: #94a3b8;

  --border: #e2e8f0;
  --border-light: #f1f5f9;

  --success: #22c55e;
  --success-bg: #f0fdf4;
  --danger: #ef4444;
  --danger-bg: #fef2f2;
  --warning: #f59e0b;
  --warning-bg: #fffbeb;
  --info: #3b82f6;
  --info-bg: #eff6ff;

  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -2px rgba(0,0,0,0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -4px rgba(0,0,0,0.05);

  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 16px;

  --sidebar-width: 240px;
}

/* 全局重置 */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  height: 100%;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 14px;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ========== 布局 ========== */
.app-layout {
  display: flex;
  height: 100vh;
  overflow: hidden;
}

/* 侧边栏 */
.sidebar {
  width: var(--sidebar-width);
  min-width: var(--sidebar-width);
  background: var(--sidebar-bg);
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow-y: auto;
}

.sidebar-logo {
  padding: 24px 20px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.sidebar-logo h1 {
  font-size: 16px;
  font-weight: 700;
  color: #ffffff;
  letter-spacing: 0.5px;
}

.sidebar-logo span {
  font-size: 11px;
  color: var(--sidebar-text);
  font-weight: 400;
}

.sidebar-nav {
  flex: 1;
  padding: 16px 12px;
}

.sidebar-nav .nav-title {
  font-size: 10px;
  font-weight: 600;
  color: #475569;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 8px 8px 4px;
  margin-top: 8px;
}

.sidebar-nav a,
.sidebar-nav button {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  color: var(--sidebar-text);
  text-decoration: none;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  border: none;
  background: none;
  transition: all 0.15s ease;
  text-align: left;
}

.sidebar-nav a:hover,
.sidebar-nav button:hover {
  background: var(--sidebar-hover);
  color: #e2e8f0;
}

.sidebar-nav a.active {
  background: rgba(249, 115, 22, 0.12);
  color: var(--brand);
}

.sidebar-nav a.active i {
  color: var(--brand);
}

.sidebar-nav a i {
  font-size: 16px;
  width: 20px;
  text-align: center;
  color: var(--sidebar-text);
  transition: color 0.15s;
}

.sidebar-nav a:hover i {
  color: #e2e8f0;
}

.sidebar-nav a.active i {
  color: var(--brand);
}

.sidebar-footer {
  padding: 16px 12px;
  border-top: 1px solid rgba(255,255,255,0.06);
}

.sidebar-footer .user-info {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.04);
  margin-bottom: 8px;
}

.sidebar-footer .user-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--brand);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 13px;
}

.sidebar-footer .user-name {
  color: #e2e8f0;
  font-size: 13px;
  font-weight: 500;
}

.sidebar-footer .user-role {
  color: var(--sidebar-text);
  font-size: 11px;
}

.sidebar-footer .logout-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  color: #64748b;
  font-size: 12px;
  cursor: pointer;
  border: none;
  background: none;
  transition: all 0.15s;
}

.sidebar-footer .logout-btn:hover {
  background: rgba(239,68,68,0.1);
  color: var(--danger);
}

/* 主内容区 */
.main-content {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

.page-header {
  background: white;
  border-bottom: 1px solid var(--border);
  padding: 20px 28px;
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.page-header h2 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
}

.page-header .breadcrumb {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 2px;
}

.page-body {
  padding: 24px 28px;
  flex: 1;
}

/* ========== 卡片 ========== */
.card {
  background: var(--card-bg);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}

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

.card-header h3 {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
}

.card-body {
  padding: 20px;
}

/* ========== 统计卡片 ========== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  transition: box-shadow 0.2s;
}

.stat-card:hover {
  box-shadow: var(--shadow);
}

.stat-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}

.stat-icon.orange { background: var(--brand-bg); color: var(--brand); }
.stat-icon.green { background: var(--success-bg); color: var(--success); }
.stat-icon.blue { background: var(--info-bg); color: var(--info); }
.stat-icon.yellow { background: var(--warning-bg); color: var(--warning); }

.stat-info h4 {
  font-size: 24px;
  font-weight: 700;
  color: var(--text);
  line-height: 1;
}

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

/* ========== 按钮 ========== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  border: none;
  transition: all 0.15s;
  text-decoration: none;
  white-space: nowrap;
}

.btn:active { transform: scale(0.97); }

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

.btn-secondary {
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-secondary:hover { background: #e2e8f0; }

.btn-danger {
  background: var(--danger-bg);
  color: var(--danger);
}
.btn-danger:hover { background: #fee2e2; }

.btn-success {
  background: var(--success-bg);
  color: var(--success);
}
.btn-success:hover { background: #dcfce7; }

.btn-sm {
  padding: 5px 12px;
  font-size: 12px;
}

.btn-lg {
  padding: 12px 24px;
  font-size: 15px;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

/* ========== 表单 ========== */
.form-group {
  margin-bottom: 16px;
}

.form-label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 6px;
}

.form-label .required {
  color: var(--danger);
  margin-left: 2px;
}

.form-hint {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 4px;
}

.form-control {
  width: 100%;
  padding: 9px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 13px;
  color: var(--text);
  background: white;
  transition: border-color 0.15s, box-shadow 0.15s;
  font-family: inherit;
}

.form-control:focus {
  outline: none;
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(249,115,22,0.1);
}

.form-control.is-invalid {
  border-color: var(--danger);
}

.form-control.is-invalid:focus {
  box-shadow: 0 0 0 3px rgba(239,68,68,0.1);
}

.form-error {
  font-size: 11px;
  color: var(--danger);
  margin-top: 4px;
}

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

/* ========== 表格 ========== */
.table-wrapper {
  overflow-x: auto;
}

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

.table th {
  background: var(--bg);
  font-size: 11px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 10px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-light);
  font-size: 13px;
  color: var(--text);
  vertical-align: middle;
}

.table tbody tr:hover {
  background: #fafafa;
}

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

/* ========== 徽章 ========== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 8px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
}

.badge-available {
  background: var(--success-bg);
  color: var(--success);
}

.badge-activated {
  background: var(--brand-bg);
  color: var(--brand);
}

.badge-expired {
  background: var(--bg);
  color: var(--text-secondary);
}

/* ========== 搜索工具栏 ========== */
.toolbar {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.toolbar-search {
  flex: 1;
  min-width: 200px;
  position: relative;
}

.toolbar-search input {
  padding-left: 36px;
  width: 100%;
}

.toolbar-search i {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 13px;
}

.toolbar select.form-control {
  width: auto;
  min-width: 130px;
  cursor: pointer;
}

/* ========== 分页 ========== */
.pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0 0;
  border-top: 1px solid var(--border-light);
  margin-top: 16px;
}

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

.pagination-controls {
  display: flex;
  align-items: center;
  gap: 4px;
}

.pagination-controls button {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: white;
  color: var(--text);
  cursor: pointer;
  font-size: 13px;
  transition: all 0.15s;
}

.pagination-controls button:hover:not(:disabled) {
  background: var(--bg);
  border-color: #cbd5e1;
}

.pagination-controls button.active {
  background: var(--brand);
  border-color: var(--brand);
  color: white;
}

.pagination-controls button:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* ========== Toast 提示 ========== */
.toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  padding: 12px 18px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 500;
  color: white;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 8px;
  animation: toastIn 0.3s ease;
  max-width: 360px;
}

@keyframes toastIn {
  from { opacity: 0; transform: translateX(20px); }
  to { opacity: 1; transform: translateX(0); }
}

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

/* ========== 模态框 ========== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  backdrop-filter: blur(2px);
}

.modal {
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  max-width: 480px;
  width: 90%;
  animation: modalIn 0.2s ease;
}

@keyframes modalIn {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

.modal-header {
  padding: 20px 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-header h3 {
  font-size: 16px;
  font-weight: 600;
}

.modal-header .close-btn {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: none;
  background: var(--bg);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: all 0.15s;
}

.modal-header .close-btn:hover {
  background: #e2e8f0;
  color: var(--text);
}

.modal-body {
  padding: 20px 24px;
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
}

.modal-footer {
  padding: 0 24px 20px;
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}

/* ========== 空状态 ========== */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
}

.empty-state i {
  font-size: 48px;
  color: #cbd5e1;
  margin-bottom: 16px;
}

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

/* ========== 加载状态 ========== */
.loading-spinner {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
  color: var(--text-muted);
  gap: 8px;
  font-size: 13px;
}

.loading-spinner i {
  font-size: 18px;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* ========== 文件上传 ========== */
.upload-zone {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 40px 20px;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s;
  background: #fafafa;
}

.upload-zone:hover,
.upload-zone.dragover {
  border-color: var(--brand);
  background: var(--brand-bg);
}

.upload-zone i {
  font-size: 36px;
  color: var(--text-muted);
  margin-bottom: 12px;
}

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

.upload-zone .upload-hint {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 6px;
}

/* ========== 结果展示 ========== */
.result-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 16px;
}

.result-item {
  background: var(--bg);
  border-radius: var(--radius-sm);
  padding: 16px;
  text-align: center;
}

.result-item.success { background: var(--success-bg); }
.result-item.skip { background: var(--warning-bg); }
.result-item.error { background: var(--danger-bg); }

.result-item .num {
  font-size: 28px;
  font-weight: 700;
}

.result-item.success .num { color: var(--success); }
.result-item.skip .num { color: var(--warning); }
.result-item.error .num { color: var(--danger); }

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

/* ========== 代码/ID ========== */
.mono {
  font-family: 'Courier New', monospace;
  font-size: 12px;
  background: var(--bg);
  padding: 2px 6px;
  border-radius: 4px;
}

/* ========== 滚动条美化 ========== */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: #cbd5e1;
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover { background: #94a3b8; }

/* 隐藏 */
.d-none { display: none !important; }

/* 动画 */
.fade-in {
  animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}