:root {
  --primary-color: #4f46e5;
  --primary-hover: #4338ca;
  --bg-gradient-start: #0f172a;
  --bg-gradient-end: #1e1b4b;
  --glass-bg: rgba(255, 255, 255, 0.08);
  --glass-border: rgba(255, 255, 255, 0.12);
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --accent-color: #10b981;
  --danger-color: #ef4444;
  --warning-color: #f59e0b;
}

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

html {
  width: 100%;
  min-height: 100%;
  overflow-x: clip;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: linear-gradient(135deg, var(--bg-gradient-start) 0%, var(--bg-gradient-end) 100%);
  background-attachment: fixed;
  color: var(--text-main);
  width: 100%;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  padding: 20px;
  overflow-x: clip;
  position: relative;
}

/* 渐变背景光效：改为 fixed 防止撑宽视口造成手机端横向偏移 */
body::before {
  content: "";
  position: fixed;
  top: 10%;
  left: 15%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.15) 0%, transparent 70%);
  z-index: -1;
  pointer-events: none;
}

body::after {
  content: "";
  position: fixed;
  bottom: 15%;
  right: 10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(16, 185, 129, 0.1) 0%, transparent 70%);
  z-index: -1;
  pointer-events: none;
}

/* 登录卡片在桌面端垂直+水平双居中 */
.glass-container.login-card {
  margin: auto;
  max-width: 440px;
  width: 100%;
}

/* 玻璃容器基类 */
.glass-container {
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 30px;
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
  width: 100%;
  max-width: 500px;
  margin-top: 40px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  animation: fadeIn 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.glass-container:hover {
  box-shadow: 0 12px 40px 0 rgba(0, 0, 0, 0.4);
}

/* 后台大容器 */
.glass-container.admin-panel {
  max-width: 1200px;
  width: 100%;
}

h1, h2, h3 {
  font-weight: 700;
  letter-spacing: -0.025em;
  margin-bottom: 20px;
  text-align: center;
  background: linear-gradient(to right, #ffffff, #c7d2fe);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.subtitle {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-top: -15px;
  margin-bottom: 25px;
}

/* 表单组样式 */
.form-group {
  margin-bottom: 20px;
  position: relative;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.form-control {
  width: 100%;
  padding: 12px 16px;
  font-size: 0.95rem;
  border-radius: 10px;
  border: 1px solid var(--glass-border);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-main);
  outline: none;
  transition: all 0.3s ease;
}

.form-control:focus {
  border-color: var(--primary-color);
  background-color: rgba(255, 255, 255, 0.08);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.25);
}

/* 下拉选择框 select 控件专属美化 */
select.form-control {
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 16px;
  padding-right: 36px;
}

select.form-control:focus {
  background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%236366f1' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 16px;
}

/* 优化下拉选择框的选择列表在暗黑模式下的选项样式，解决白底白字对比度低、字看不清的问题 */
select.form-control option {
  background-color: #0f172a; /* 统一使用深色背景，匹配 --bg-gradient-start */
  color: var(--text-main);    /* 统一使用高对比度白色文字 */
  padding: 8px 12px;
}

/* 按钮样式 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 10px;
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
  width: 100%;
  text-align: center;
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-color) 0%, #6366f1 100%);
  color: white;
  box-shadow: 0 4px 14px rgba(79, 70, 229, 0.4);
}

.btn-primary:hover {
  transform: translateY(-1px);
  background: linear-gradient(135deg, var(--primary-hover) 0%, #4f46e5 100%);
  box-shadow: 0 6px 20px rgba(79, 70, 229, 0.5);
}

.btn-success {
  background: linear-gradient(135deg, var(--accent-color) 0%, #34d399 100%);
  color: white;
}

.btn-success:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

.btn-danger {
  background: linear-gradient(135deg, var(--danger-color) 0%, #f87171 100%);
  color: white;
}

.btn-danger:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
}

.btn-warning {
  background: linear-gradient(135deg, var(--warning-color) 0%, #fbbf24 100%);
  color: white;
}

.btn-warning:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(245, 158, 11, 0.3);
}

.btn-secondary {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--text-main);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.15);
}

/* 照片位样式 (第一行单独) */
.photo-uploader {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border: 2px dashed var(--glass-border);
  border-radius: 16px;
  height: 160px;
  margin-bottom: 25px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
  background: rgba(255, 255, 255, 0.02);
}

.photo-uploader:hover {
  border-color: var(--primary-color);
  background: rgba(99, 102, 241, 0.05);
}

.photo-uploader input[type="file"] {
  display: none;
}

.photo-uploader-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.photo-uploader-placeholder svg {
  width: 44px;
  height: 44px;
  margin-bottom: 10px;
  color: var(--text-muted);
  transition: transform 0.3s ease;
}

.photo-uploader:hover .photo-uploader-placeholder svg {
  transform: scale(1.1);
  color: var(--primary-color);
}

.photo-preview {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  top: 0;
  left: 0;
  z-index: 1;
}

/* 选项卡切换 (用于登录注册) */
.tab-header {
  display: flex;
  background: rgba(0, 0, 0, 0.2);
  border-radius: 12px;
  padding: 4px;
  margin-bottom: 25px;
}

.tab-btn {
  flex: 1;
  padding: 10px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-muted);
  background: transparent;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.tab-btn.active {
  background: var(--glass-bg);
  color: var(--text-main);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
  animation: fadeIn 0.4s ease;
}

/* 后台两栏、表格布局 */
.header-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 30px;
  flex-wrap: wrap;
  gap: 15px;
}

.admin-logo {
  font-size: 1.4rem;
  font-weight: 800;
  background: linear-gradient(to right, #818cf8, #34d399);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.export-btns {
  display: flex;
  gap: 10px;
}

.export-btns .btn {
  width: auto;
  padding: 8px 16px;
  font-size: 0.85rem;
}

/* 标签页和内容区域 (后台用) */
.admin-nav {
  display: flex;
  border-bottom: 1px solid var(--glass-border);
  margin-bottom: 20px;
  gap: 10px;
}

.admin-nav-item {
  padding: 12px 20px;
  color: var(--text-muted);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  font-weight: 600;
  transition: all 0.2s ease;
}

.admin-nav-item.active {
  color: var(--primary-color);
  border-bottom-color: var(--primary-color);
}

/* 响应式表格 */
.table-wrapper {
  overflow-x: auto;
  border-radius: 12px;
  border: 1px solid var(--glass-border);
  background: rgba(0, 0, 0, 0.15);
}

table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.9rem;
}

th, td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--glass-border);
}

th {
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-muted);
  font-weight: 600;
}

tr:hover {
  background: rgba(255, 255, 255, 0.02);
}

.action-row {
  display: flex;
  gap: 6px;
}

.action-row button {
  width: auto;
  padding: 6px 12px;
  font-size: 0.8rem;
}

/* 缩略图 */
.table-img {
  width: 44px;
  height: 44px;
  border-radius: 8px;
  object-fit: cover;
  cursor: zoom-in;
  border: 1px solid var(--glass-border);
}

/* 状态徽章 */
.badge {
  display: inline-flex;
  padding: 3px 8px;
  font-size: 0.75rem;
  border-radius: 9999px;
  font-weight: 600;
}

.badge-pending {
  background: rgba(245, 158, 11, 0.2);
  color: var(--warning-color);
}

.badge-approved {
  background: rgba(16, 185, 129, 0.2);
  color: var(--accent-color);
}

.badge-rejected {
  background: rgba(239, 68, 68, 0.2);
  color: var(--danger-color);
}

/* 提示框 */
.alert {
  padding: 12px 16px;
  border-radius: 10px;
  margin-bottom: 20px;
  font-size: 0.9rem;
  display: none;
}

.alert-error {
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #fca5a5;
}

.alert-success {
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: #6ee7b7;
}

/* 模态框/图片放大预览 */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.85);
  z-index: 1000;
  align-items: center;
  justify-content: center;
}

.modal-content {
  max-width: 90%;
  max-height: 90%;
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

/* 关键帧动画 */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 响应式调整 */
@media (max-width: 768px) {
  body {
    padding: 10px;
  }
  
  .glass-container {
    padding: 20px;
    margin-top: 15px;
  }
  
  th, td {
    padding: 10px;
    font-size: 0.8rem;
  }
  
  .header-actions {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .export-btns {
    width: 100%;
  }
  
  .export-btns .btn {
    flex: 1;
  }
}

/* 保持登录样式 */
.remember-container {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 10px;
  margin-bottom: 15px;
  cursor: pointer;
  user-select: none;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.remember-container input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--primary-color);
  cursor: pointer;
}

/* 门禁恢复管理页签高亮呼吸边框 */
.glow-restore-tab {
  border: 2px solid transparent !important;
  border-radius: 8px !important;
  box-shadow: 0 0 10px rgba(99, 102, 241, 0.4);
  animation: tabRainbowGlow 3s ease-in-out infinite alternate !important;
  padding: 10px 18px !important; 
  margin-top: 1px;
}

@keyframes tabRainbowGlow {
  0% {
    border-color: #ff3366;
    box-shadow: 0 0 8px rgba(255, 51, 102, 0.6);
  }
  50% {
    border-color: #33ccff;
    box-shadow: 0 0 8px rgba(51, 204, 255, 0.6);
  }
  100% {
    border-color: #33ff99;
    box-shadow: 0 0 8px rgba(51, 255, 153, 0.6);
  }
}

/* 人员信息卡片 */
.person-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 16px;
  margin-top: 15px;
  width: 100%;
}

.person-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--glass-border);
  border-radius: 14px;
  padding: 16px;
  display: flex;
  gap: 16px;
  position: relative;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.person-card:hover {
  transform: translateY(-2px);
  border-color: rgba(99, 102, 241, 0.4);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
  background: rgba(255, 255, 255, 0.08);
}

.person-card.downloaded-card {
  opacity: 0.55;
  filter: grayscale(40%);
  background-color: rgba(255, 255, 255, 0.01);
}

/* 卡片勾选框区域 */
.card-checkbox-wrapper {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 10;
}

.card-checkbox {
  width: 20px;
  height: 20px;
  cursor: pointer;
  accent-color: var(--primary-color);
}

/* 头像区域，经典的 3:4 身份证比例 */
.card-photo-wrapper {
  width: 90px;
  height: 120px;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--glass-border);
  flex-shrink: 0;
  background: rgba(0, 0, 0, 0.4);
  cursor: zoom-in;
  box-shadow: inset 0 0 10px rgba(0, 0, 0, 0.5);
}

.card-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.person-card:hover .card-photo {
  transform: scale(1.05);
}

/* 内容区域 */
.card-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-width: 0;
}

.card-header {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 6px;
}

.card-name {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-main);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.card-meta {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.card-detail-item {
  font-size: 0.82rem;
  margin-top: 4px;
  color: var(--text-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.card-detail-item strong {
  color: var(--text-main);
  font-weight: 600;
}

.card-detail-item .mono {
  font-family: monospace;
  font-size: 0.85rem;
}

.card-address-item {
  font-size: 0.8rem;
  margin-top: 6px;
  color: var(--text-muted);
  line-height: 1.4;
  white-space: normal;
  word-break: break-all;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-address-item span {
  color: var(--text-main);
}

.card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 8px;
  font-size: 0.75rem;
  color: var(--text-muted);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 6px;
}

.card-footer-left {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.card-footer-right {
  display: flex;
  align-items: center;
  gap: 6px;
}