/* WNTA 管理后台样式 */

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

:root {
  --primary: #2B5CED;
  --primary-light: #EBF0FF;
  --danger: #FC5A5A;
  --success: #27AE60;
  --warning: #F39C12;
  --bg: #F5F6FA;
  --white: #FFFFFF;
  --text: #333333;
  --text-secondary: #999999;
  --border: #F0F2F5;
  --radius: 12px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 14px;
  color: var(--text);
  background: var(--bg);
}

/* 登录页 */
.page { min-height: 100vh; }

#page-login {
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #2B5CED, #3B82F6);
}

.login-box {
  background: var(--white);
  padding: 48px 40px;
  border-radius: 16px;
  width: 400px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.15);
}

.login-box h1 {
  font-size: 32px;
  text-align: center;
  margin-bottom: 4px;
  color: var(--primary);
}

.login-sub {
  text-align: center;
  color: var(--text-secondary);
  margin-bottom: 32px;
}

/* 主布局 */
#page-main {
  display: flex;
}

.sidebar {
  width: 240px;
  min-height: 100vh;
  background: #1A1A2E;
  color: var(--white);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
}

.sidebar-header {
  padding: 24px 20px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.sidebar-header h2 {
  font-size: 20px;
  color: var(--primary);
}

.sidebar-sub {
  font-size: 12px;
  color: rgba(255,255,255,0.5);
}

.nav-menu {
  list-style: none;
  padding: 16px 0;
  flex: 1;
}

.nav-item {
  padding: 14px 24px;
  cursor: pointer;
  font-size: 15px;
  color: rgba(255,255,255,0.7);
  transition: all 0.2s;
  border-left: 3px solid transparent;
}

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

.nav-item.active {
  background: rgba(43,92,237,0.2);
  color: var(--white);
  border-left-color: var(--primary);
}

.sidebar-footer {
  padding: 16px 20px;
  border-top: 1px solid rgba(255,255,255,0.1);
}

.btn-logout {
  width: 100%;
  padding: 10px;
  background: rgba(255,255,255,0.1);
  border: none;
  color: rgba(255,255,255,0.7);
  border-radius: 8px;
  cursor: pointer;
  font-size: 14px;
}

.btn-logout:hover { background: rgba(255,255,255,0.2); }

/* 内容区 */
.content {
  margin-left: 240px;
  flex: 1;
  padding: 32px;
}

.content-page { display: none; }
.content-page.active { display: block; }

.page-title {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 24px;
}

.page-header-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}

.page-header-bar .page-title {
  margin-bottom: 0;
}

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

.stat-card {
  background: var(--white);
  padding: 28px;
  border-radius: var(--radius);
  text-align: center;
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}

.stat-value {
  font-size: 40px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 8px;
}

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

/* 数据表格 */
.data-table {
  width: 100%;
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
  border-collapse: collapse;
}

.data-table th {
  background: #F8F9FB;
  padding: 14px 16px;
  text-align: left;
  font-weight: 600;
  font-size: 13px;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border);
}

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

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

.empty-cell {
  text-align: center;
  color: var(--text-secondary);
  padding: 40px 16px;
}

/* 表单元素 */
.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
  font-size: 14px;
  color: var(--text);
}

.input-field {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid #DDDDDD;
  border-radius: 8px;
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s;
}

.input-field:focus {
  border-color: var(--primary);
}

/* 按钮 */
.btn-primary {
  width: 100%;
  padding: 12px;
  background: var(--primary);
  color: var(--white);
  border: none;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.2s;
}

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

.btn-sm {
  padding: 6px 16px;
  font-size: 13px;
}

.btn-danger {
  padding: 6px 16px;
  background: var(--danger);
  color: var(--white);
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
}

.btn-success {
  padding: 6px 16px;
  background: var(--success);
  color: var(--white);
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
}

.error-msg {
  color: var(--danger);
  font-size: 13px;
  margin-top: 8px;
}

/* 标签 */
.tag {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 4px;
  font-size: 12px;
  margin-right: 4px;
}

.tag-green { background: #E8F8EE; color: #27AE60; }
.tag-red { background: #FFF0F0; color: #FC5A5A; }
.tag-gray { background: #F0F2F5; color: #999999; }

/* 弹窗 */
.modal {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.modal-content {
  background: var(--white);
  border-radius: 16px;
  width: 480px;
  max-width: 90vw;
  box-shadow: 0 8px 32px rgba(0,0,0,0.15);
}

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

.modal-header h3 {
  font-size: 18px;
}

.modal-close {
  font-size: 24px;
  color: var(--text-secondary);
  cursor: pointer;
}

.modal-body {
  padding: 24px;
}

.modal-body .btn-primary {
  margin-top: 16px;
}

/* 复制字段 */
.copy-field {
  display: flex;
  align-items: center;
  gap: 8px;
}

.copy-field input {
  flex: 1;
}

.copy-field button {
  padding: 8px 16px;
  background: var(--primary-light);
  color: var(--primary);
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-size: 13px;
  white-space: nowrap;
}

/* 警告提示 */
.alert {
  padding: 12px 16px;
  border-radius: 8px;
  font-size: 13px;
  margin-bottom: 16px;
}

.alert-warning {
  background: #FFF8E1;
  color: #E67E22;
  border: 1px solid #FFECB3;
}

/* checkbox 组 */
.checkbox-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.checkbox-group label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 400;
  cursor: pointer;
}