:root {
  --primary: #1565c0;
  --primary-light: #e3f2fd;
  --success: #2e7d32;
  --warning: #f9a825;
  --danger: #c62828;
  --bg: #eceff1;
  --card: #fff;
  --border: #cfd8dc;
  --text: #263238;
  --text2: #546e7a;
  --radius: 6px;
}
* { margin:0; padding:0; box-sizing:border-box; }
body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Microsoft YaHei', sans-serif; background: var(--bg); color: var(--text); min-height:100vh; font-size:14px; }

/* profile.css - 个人中心样式 */

.profile-container {
  display: flex;
  gap: 24px;
  max-width: 960px;
  margin: 24px auto;
  padding: 0 24px;
  min-height: calc(100vh - 160px);
}

/* ===== 侧边栏 ===== */
.profile-sidebar {
  width: 220px;
  flex-shrink: 0;
}

.sidebar-section {
  margin-bottom: 16px;
}

.user-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px;
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.user-card-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, #1976d2, #0d47a1);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 700;
  flex-shrink: 0;
}

.user-card-info {
  overflow: hidden;
}

.user-card-name {
  font-size: 15px;
  font-weight: 600;
  color: #333;
}

.user-card-role {
  font-size: 12px;
  color: #888;
  margin-top: 2px;
}

.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
  overflow: hidden;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  border: none;
  background: none;
  cursor: pointer;
  font-size: 14px;
  color: #555;
  text-align: left;
  transition: all 0.2s;
}

.nav-item:hover {
  background: #f5f5f5;
  color: #1976d2;
}

.nav-item.active {
  background: #e3f2fd;
  color: #1976d2;
  font-weight: 600;
}

.nav-icon {
  font-size: 16px;
  width: 20px;
  text-align: center;
}

/* ===== 内容区 ===== */
.profile-content {
  flex: 1;
  min-width: 0;
}

.tab-panel {
  display: none;
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
  padding: 24px;
}

.tab-panel.active {
  display: block;
}

.panel-title {
  font-size: 16px;
  font-weight: 600;
  color: #333;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid #f0f0f0;
}

.panel-desc {
  font-size: 13px;
  font-weight: 400;
  color: #888;
  margin-left: 8px;
}

/* ===== 概览统计卡片 ===== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  padding: 20px;
  border-radius: 10px;
  background: #fafafa;
  border: 1px solid #f0f0f0;
}

.stat-card.stat-points {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border: none;
  color: #fff;
}

.stat-card.stat-username {
  border-left: 3px solid #1976d2;
}

.stat-card.stat-regdate {
  border-left: 3px solid #43a047;
}

.stat-card.stat-lastlogin {
  border-left: 3px solid #fb8c00;
}

.stat-label {
  font-size: 12px;
  color: #888;
  margin-bottom: 6px;
}

.stat-points .stat-label {
  color: rgba(255,255,255,0.8);
}

.stat-value {
  font-size: 24px;
  font-weight: 700;
  color: #333;
}

.stat-points .stat-value {
  color: #fff;
  font-size: 32px;
}

.stat-desc {
  font-size: 11px;
  color: #aaa;
  margin-top: 4px;
}

.stat-points .stat-desc {
  color: rgba(255,255,255,0.7);
}

/* ===== 积分规则 ===== */
.info-section {
  margin-top: 8px;
}

.info-section h3 {
  font-size: 15px;
  color: #333;
  margin-bottom: 12px;
}

.rules-box {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.rule-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background: #fafafa;
  border-radius: 8px;
  font-size: 13px;
  color: #555;
}

.rule-tag {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
  white-space: nowrap;
}

.rule-tag.green { background: #e8f5e9; color: #2e7d32; }
.rule-tag.blue { background: #e3f2fd; color: #1565c0; }
.rule-tag.orange { background: #fff3e0; color: #e65100; }
.rule-tag.purple { background: #f3e5f5; color: #6a1b9a; }
.rule-tag.gray { background: #f5f5f5; color: #757575; }

/* ===== 积分记录 ===== */
.logs-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  flex-wrap: wrap;
  gap: 10px;
}

.logs-toolbar select {
  padding: 6px 12px;
  border: 1px solid #ddd;
  border-radius: 6px;
  font-size: 13px;
  outline: none;
  color: #555;
}

.logs-toolbar select:focus {
  border-color: #1976d2;
}

.logs-pager {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: #666;
}

.btn-sm {
  padding: 4px 12px;
  border: 1px solid #ddd;
  border-radius: 4px;
  background: #fff;
  font-size: 12px;
  cursor: pointer;
  color: #555;
}

.btn-sm:hover {
  background: #f5f5f5;
  border-color: #1976d2;
  color: #1976d2;
}

.logs-table-wrap {
  overflow-x: auto;
}

.logs-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.logs-table th {
  background: #f5f5f5;
  padding: 10px 12px;
  text-align: left;
  font-weight: 600;
  color: #555;
  border-bottom: 1px solid #e0e0e0;
}

.logs-table td {
  padding: 10px 12px;
  border-bottom: 1px solid #f0f0f0;
  color: #333;
}

.logs-table tr:hover {
  background: #fafafa;
}

.empty-hint {
  text-align: center;
  color: #aaa;
  padding: 40px !important;
  font-size: 14px;
}

.log-change.positive {
  color: #2e7d32;
  font-weight: 600;
}

.log-change.negative {
  color: #e53935;
  font-weight: 600;
}

.log-type-tag {
  display: inline-block;
  padding: 1px 6px;
  border-radius: 3px;
  font-size: 11px;
  font-weight: 500;
}

/* ===== 修改密码 ===== */
.form-card {
  max-width: 420px;
}

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

.form-group label {
  display: block;
  font-size: 13px;
  color: #555;
  margin-bottom: 6px;
  font-weight: 500;
}

.form-group input {
  width: 100%;
  box-sizing: border-box;
  padding: 10px 12px;
  border: 1px solid #ddd;
  border-radius: 6px;
  font-size: 14px;
  outline: none;
}

.form-group input:focus {
  border-color: #1976d2;
  box-shadow: 0 0 0 2px rgba(25,118,210,0.1);
}

.form-msg {
  font-size: 12px;
  padding: 6px 0;
  min-height: 20px;
}

.form-msg.error { color: #e53935; }
.form-msg.success { color: #2e7d32; }

.btn-primary {
  padding: 10px 24px;
  background: linear-gradient(135deg, #1976d2, #0d47a1);
  color: #fff;
  border: none;
  border-radius: 6px;
  font-size: 14px;
  cursor: pointer;
  font-weight: 500;
}

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

.btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ===== 充值 ===== */
.recharge-card {
  text-align: center;
}

.recharge-header {
  display: flex;
  justify-content: center;
  gap: 40px;
  margin-bottom: 24px;
}

.recharge-rate {
  font-size: 14px;
  color: #555;
}

.recharge-balance {
  font-size: 14px;
  color: #555;
}

.recharge-plans {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 24px;
}

.plan-item {
  position: relative;
  padding: 20px 12px;
  border: 2px solid #e0e0e0;
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.2s;
}

.plan-item:hover {
  border-color: #1976d2;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(25,118,210,0.15);
}

.plan-item.selected {
  border-color: #1976d2;
  background: #e3f2fd;
}

.plan-item.recommended {
  border-color: #f57c00;
}

.plan-badge {
  position: absolute;
  top: -10px;
  left: 50%;
  transform: translateX(-50%);
  background: #f57c00;
  color: #fff;
  font-size: 11px;
  padding: 2px 10px;
  border-radius: 10px;
  font-weight: 600;
}

.plan-coins {
  font-size: 18px;
  font-weight: 700;
  color: #333;
  margin-bottom: 6px;
}

.plan-price {
  font-size: 14px;
  color: #1976d2;
  font-weight: 600;
}

.recharge-notice {
  background: #fff8e1;
  border: 1px solid #ffe082;
  border-radius: 8px;
  padding: 20px;
  text-align: left;
  max-width: 480px;
  margin: 0 auto;
}

.recharge-notice p {
  font-size: 13px;
  color: #f57c00;
  margin: 0;
}

.contact-methods {
  display: flex;
  gap: 20px;
  margin-top: 12px;
}

.contact-item {
  font-size: 13px;
  color: #555;
  display: flex;
  align-items: center;
  gap: 6px;
}

.contact-label {
  background: #e3f2fd;
  color: #1565c0;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 600;
}

/* ===== 推荐有奖 ===== */
.referral-card {
  padding: 0;
}

.referral-banner {
  display: flex;
  align-items: center;
  gap: 16px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: #fff;
  padding: 24px;
  border-radius: 12px;
  margin-bottom: 24px;
}

.referral-banner-icon {
  font-size: 48px;
  flex-shrink: 0;
}

.referral-banner-title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 6px;
}

.referral-banner-desc {
  font-size: 13px;
  opacity: 0.85;
}

.referral-stats {
  display: flex;
  gap: 16px;
  margin-bottom: 24px;
}

.ref-stat-item {
  flex: 1;
  text-align: center;
  padding: 16px;
  background: #fafafa;
  border-radius: 10px;
  border: 1px solid #f0f0f0;
}

.ref-stat-value {
  font-size: 28px;
  font-weight: 700;
  color: #1976d2;
}

.ref-stat-label {
  font-size: 12px;
  color: #888;
  margin-top: 4px;
}

.referral-link-section {
  background: #f5f5f5;
  border-radius: 10px;
  padding: 20px;
  margin-bottom: 24px;
}

.referral-link-section label {
  display: block;
  font-size: 13px;
  color: #555;
  margin-bottom: 10px;
  font-weight: 500;
}

.referral-link-box {
  display: flex;
  gap: 10px;
}

.referral-link-box input {
  flex: 1;
  padding: 10px 12px;
  border: 1px solid #ddd;
  border-radius: 6px;
  font-size: 13px;
  background: #fff;
  color: #333;
}

.btn-copy {
  padding: 10px 20px;
  background: #1976d2;
  color: #fff;
  border: none;
  border-radius: 6px;
  font-size: 14px;
  cursor: pointer;
  white-space: nowrap;
}

.btn-copy:hover {
  background: #1565c0;
}

.btn-copy.copied {
  background: #43a047;
}

.referral-code-row {
  margin-top: 12px;
  font-size: 13px;
  color: #666;
}

.referral-code-row code {
  background: #fff;
  padding: 2px 8px;
  border-radius: 4px;
  font-family: 'Consolas', monospace;
  color: #1976d2;
  font-weight: 600;
}

.referral-rules {
  background: #fff8e1;
  border: 1px solid #ffe082;
  border-radius: 10px;
  padding: 20px;
  margin-bottom: 24px;
}

.referral-rules h4 {
  font-size: 14px;
  color: #f57c00;
  margin-bottom: 12px;
}

.referral-rules ul {
  margin: 0;
  padding-left: 20px;
  font-size: 13px;
  color: #555;
}

.referral-rules li {
  margin-bottom: 6px;
}

.referral-list-section {
  border-top: 1px solid #f0f0f0;
  padding-top: 20px;
}

.referral-list-title {
  font-size: 15px;
  font-weight: 600;
  color: #333;
  margin-bottom: 12px;
}

.referral-list-body {
  max-height: 240px;
  overflow-y: auto;
}

.referral-item {
  display: flex;
  justify-content: space-between;
  padding: 10px 12px;
  background: #fafafa;
  border-radius: 6px;
  margin-bottom: 6px;
  font-size: 13px;
}

.referral-item-name {
  color: #333;
  font-weight: 500;
}

.referral-item-date {
  color: #888;
}

/* ===== 响应式 ===== */
@media (max-width: 700px) {
  .profile-container {
    flex-direction: column;
    padding: 0 12px;
  }
  .profile-sidebar {
    width: 100%;
  }
  .sidebar-nav {
    flex-direction: row;
    overflow-x: auto;
  }
  .nav-item {
    white-space: nowrap;
    padding: 10px 14px;
    font-size: 13px;
  }
  .stats-grid {
    grid-template-columns: 1fr;
  }
  .recharge-plans {
    grid-template-columns: repeat(2, 1fr);
  }
  .recharge-header {
    flex-direction: column;
    gap: 8px;
    align-items: center;
  }
  .referral-banner {
    flex-direction: column;
    text-align: center;
  }
  .referral-stats {
    flex-direction: column;
  }
  .referral-link-box {
    flex-direction: column;
  }
}