/* admin后台样式 + 登录/注册补充样式 */

/* ===== 用户下拉菜单 ===== */
.user-dropdown {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 10px 25px rgba(0,0,0,.12);
  border: 1px solid #e5e7eb;
  min-width: 140px;
  z-index: 1000;
  overflow: hidden;
  padding: 4px 0;
}
.user-dropdown.hidden { display: none; }
.user-dropdown a {
  display: block;
  padding: 9px 16px;
  font-size: 13px;
  color: #4b5563;
  transition: background .1s;
}
.user-dropdown a:hover { background: #f9fafb; color: #111827; }

.header-user { position: relative; }

/* ===== Admin 后台布局 ===== */
.admin-layout {
  display: flex;
  min-height: 100vh;
  background: #f3f4f6;
}

.admin-sidebar {
  width: 220px;
  background: #111827;
  color: #fff;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0;
  height: 100vh;
  overflow-y: auto;
  z-index: 100;
}

.admin-sidebar-logo {
  padding: 22px 20px 18px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.admin-sidebar-logo .logo-text { font-size: 18px; font-weight: 900; color: #fbbf24; }
.admin-sidebar-logo p { font-size: 11px; color: rgba(255,255,255,.3); margin-top: 3px; }

.admin-nav { flex: 1; padding: 10px 0; }

.admin-nav-group { margin-bottom: 6px; }
.admin-nav-group-label {
  font-size: 10px;
  color: rgba(255,255,255,.25);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  padding: 8px 20px 4px;
  font-weight: 700;
}

.admin-nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 20px;
  font-size: 13px;
  color: rgba(255,255,255,.6);
  cursor: pointer;
  transition: all .12s;
  border-left: 3px solid transparent;
  font-weight: 500;
}
.admin-nav-item:hover { background: rgba(255,255,255,.04); color: #fff; }
.admin-nav-item.active {
  background: rgba(251,191,36,.1);
  color: #fbbf24;
  border-left-color: #fbbf24;
  font-weight: 700;
}
.admin-nav-item .nav-icon { font-size: 16px; width: 20px; text-align: center; }
.admin-nav-item .nav-badge {
  margin-left: auto;
  background: #ef4444;
  color: #fff;
  font-size: 10px;
  padding: 1px 7px;
  border-radius: 10px;
  font-weight: 700;
}

.admin-main {
  margin-left: 220px;
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.admin-topbar {
  background: #fff;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  box-shadow: 0 1px 3px rgba(0,0,0,.06);
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid #e5e7eb;
}

.admin-topbar-title { font-size: 15px; font-weight: 700; color: #111827; }
.admin-topbar-right {
  display: flex; align-items: center; gap: 14px;
  font-size: 13px; color: #6b7280;
}
.admin-topbar-right a { color: #f59e0b; cursor: pointer; font-weight: 600; }
.admin-topbar-right a:hover { color: #d97706; }

.admin-content { flex: 1; padding: 24px; }

/* ===== 数据卡片 ===== */
.admin-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}
.stat-card {
  background: #fff;
  border-radius: 12px;
  padding: 22px 24px;
  display: flex;
  align-items: center;
  gap: 16px;
  box-shadow: 0 1px 3px rgba(0,0,0,.04);
  border: 1px solid #e5e7eb;
}
.stat-card-icon {
  width: 48px; height: 48px;
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 22px;
}
.stat-card-icon.yellow { background: #fef3c7; }
.stat-card-icon.blue { background: #dbeafe; }
.stat-card-icon.green { background: #d1fae5; }
.stat-card-icon.red { background: #fee2e2; }
.stat-card-num { font-size: 26px; font-weight: 900; color: #111827; line-height: 1.2; }
.stat-card-label { font-size: 12px; color: #9ca3af; margin-top: 2px; }

/* ===== Admin 内容面板 ===== */
.admin-panel {
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 1px 3px rgba(0,0,0,.04);
  border: 1px solid #e5e7eb;
  overflow: hidden;
  margin-bottom: 20px;
}
.admin-panel-header {
  padding: 16px 20px;
  border-bottom: 1px solid #e5e7eb;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.admin-panel-title { font-size: 15px; font-weight: 700; color: #111827; }
.admin-panel-body { padding: 20px; }

/* ===== Admin 表格 ===== */
.admin-table {
  width: 100%;
  border-collapse: collapse;
}
.admin-table th {
  padding: 10px 14px;
  background: #f9fafb;
  font-size: 11px;
  color: #9ca3af;
  text-align: left;
  font-weight: 700;
  border-bottom: 1px solid #e5e7eb;
  white-space: nowrap;
  text-transform: uppercase;
  letter-spacing: .5px;
}
.admin-table td {
  padding: 12px 14px;
  border-bottom: 1px solid #f3f4f6;
  font-size: 13px;
  vertical-align: middle;
  color: #374151;
}
.admin-table tr:last-child td { border-bottom: none; }
.admin-table tr:hover td { background: #f9fafb; }

/* ===== 状态徽章 ===== */
.badge {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 3px 10px; border-radius: 20px; font-size: 11px; font-weight: 700;
}
.badge.on { background: #d1fae5; color: #065f46; }
.badge.off { background: #fee2e2; color: #991b1b; }
.badge.sold { background: #e5e7eb; color: #374151; }
.badge.admin { background: #fef3c7; color: #92400e; }
.badge.user { background: #dbeafe; color: #1e40af; }

/* ===== Admin 操作按钮 ===== */
.act-btn {
  height: 28px; padding: 0 12px;
  border-radius: 6px; font-size: 12px;
  border: 1px solid; cursor: pointer;
  transition: all .12s; font-weight: 600;
}
.act-btn.edit { border-color: #f59e0b; color: #f59e0b; background: #fff; }
.act-btn.edit:hover { background: #f59e0b; color: #fff; }
.act-btn.del { border-color: #ef4444; color: #ef4444; background: #fff; }
.act-btn.del:hover { background: #ef4444; color: #fff; }
.act-btn.toggle { border-color: #10b981; color: #10b981; background: #fff; }
.act-btn.toggle:hover { background: #10b981; color: #fff; }

/* ===== Admin 表单 ===== */
.admin-form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.admin-form-grid .full { grid-column: 1 / -1; }
.form-select {
  width: 100%; height: 42px;
  border: 1.5px solid #e5e7eb;
  border-radius: 8px;
  padding: 0 14px;
  font-size: 14px;
  background: #fff;
  transition: border-color .15s;
  color: #374151;
}
.form-select:focus { border-color: #f59e0b; box-shadow: 0 0 0 3px rgba(245,158,11,.1); }
.form-textarea {
  width: 100%;
  border: 1.5px solid #e5e7eb;
  border-radius: 8px;
  padding: 10px 14px;
  font-size: 14px;
  resize: vertical;
  min-height: 80px;
  transition: border-color .15s;
  color: #374151;
}
.form-textarea:focus { border-color: #f59e0b; box-shadow: 0 0 0 3px rgba(245,158,11,.1); }

/* ===== 搜索工具栏 ===== */
.admin-toolbar {
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 16px; flex-wrap: wrap;
}
.admin-toolbar input, .admin-toolbar select {
  height: 36px; border: 1.5px solid #e5e7eb;
  border-radius: 8px; padding: 0 12px; font-size: 13px;
  color: #374151;
}
.admin-toolbar input:focus, .admin-toolbar select:focus { border-color: #f59e0b; }
.admin-toolbar input { min-width: 200px; }
.btn-primary {
  height: 36px; padding: 0 16px;
  background: #f59e0b; color: #fff;
  border: none; border-radius: 8px;
  font-size: 13px; font-weight: 700;
  cursor: pointer; transition: background .12s;
  display: inline-flex; align-items: center; gap: 6px;
}
.btn-primary:hover { background: #d97706; }
.btn-outline {
  height: 36px; padding: 0 14px;
  background: #fff; color: #374151;
  border: 1.5px solid #d1d5db;
  border-radius: 8px;
  font-size: 13px; cursor: pointer;
  transition: all .12s; font-weight: 500;
}
.btn-outline:hover { border-color: #f59e0b; color: #f59e0b; }

/* ===== 模态编辑弹窗 ===== */
.edit-modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.4);
  backdrop-filter: blur(3px);
  z-index: 10000;
  display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none; transition: opacity .2s;
}
.edit-modal-overlay.show { opacity: 1; pointer-events: auto; }
.edit-modal {
  background: #fff;
  border-radius: 14px;
  box-shadow: 0 20px 25px rgba(0,0,0,.12);
  width: 90%;
  max-width: 600px;
  max-height: 90vh;
  overflow-y: auto;
  transform: translateY(16px) scale(.97);
  transition: transform .2s;
}
.edit-modal-overlay.show .edit-modal { transform: none; }
.edit-modal-header {
  padding: 18px 24px;
  border-bottom: 1px solid #e5e7eb;
  display: flex; align-items: center; justify-content: space-between;
}
.edit-modal-title { font-size: 16px; font-weight: 800; color: #111827; }
.edit-modal-body { padding: 24px; }
.edit-modal-footer {
  padding: 16px 24px;
  border-top: 1px solid #e5e7eb;
  display: flex; justify-content: flex-end; gap: 10px;
}

/* ===== 登录/注册页 ===== */
.auth-page {
  min-height: 100vh;
  background: linear-gradient(135deg, #1e293b 0%, #1e3a5f 100%);
  display: flex; align-items: center; justify-content: center;
  padding: 20px;
}
.auth-card {
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 20px 60px rgba(0,0,0,.25);
  width: 100%;
  max-width: 420px;
  padding: 36px 32px;
}
.auth-logo { text-align: center; margin-bottom: 28px; }
.auth-logo .logo-text { font-size: 26px; font-weight: 900; color: #f59e0b; }
.auth-logo p { font-size: 13px; color: #9ca3af; margin-top: 4px; }
.auth-tabs {
  display: flex; margin-bottom: 24px;
  border-bottom: 2px solid #e5e7eb;
}
.auth-tab {
  flex: 1; text-align: center;
  padding: 10px; font-size: 15px; font-weight: 600;
  cursor: pointer; color: #9ca3af;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px; transition: all .15s;
}
.auth-tab.active { color: #f59e0b; border-bottom-color: #f59e0b; }

/* ===== 响应式（admin） ===== */
@media (max-width: 768px) {
  .admin-sidebar { width: 180px; }
  .admin-main { margin-left: 180px; }
  .admin-stats { grid-template-columns: repeat(2, 1fr); }
  .admin-form-grid { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .admin-sidebar { display: none; }
  .admin-main { margin-left: 0; }
  .admin-stats { grid-template-columns: 1fr; }
}