.portal-page {
  min-height: 100vh;
  background: #f0f2f5;
}

.portal-login {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(180deg, #1677ff 0%, #0958d9 100%);
  padding: 20px;
}

.portal-login-card {
  width: 100%;
  max-width: 380px;
  background: var(--white);
  border-radius: 12px;
  padding: 36px 28px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

.portal-login-card .logo {
  text-align: center;
  margin-bottom: 28px;
}

.portal-login-card .logo h1 {
  font-size: 24px;
  color: var(--primary);
}

.portal-login-card .logo p {
  color: var(--text-secondary);
  font-size: 13px;
  margin-top: 4px;
}

.portal-header {
  background: var(--primary);
  color: #fff;
  padding: 16px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
}

.portal-header h1 {
  font-size: 18px;
}

.portal-header .logout {
  background: rgba(255, 255, 255, 0.2);
  border: none;
  color: #fff;
  padding: 6px 14px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
}

.portal-nav {
  display: flex;
  background: var(--white);
  border-bottom: 1px solid var(--border);
}

.portal-nav-item {
  flex: 1;
  text-align: center;
  padding: 14px;
  color: var(--text-secondary);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: all 0.2s;
}

.portal-nav-item.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
  font-weight: 600;
}

.portal-body {
  max-width: 480px;
  margin: 0 auto;
  padding: 20px 16px 40px;
}

.pay-card {
  background: var(--white);
  border-radius: 12px;
  padding: 24px 20px;
  box-shadow: var(--shadow);
  margin-bottom: 16px;
}

.pay-card .amount-display {
  text-align: center;
  padding: 20px 0;
}

.pay-card .amount-display .label {
  color: var(--text-secondary);
  font-size: 14px;
}

.pay-card .amount-display .amount {
  font-size: 42px;
  font-weight: 700;
  color: var(--primary);
  margin-top: 8px;
}

.pay-card .amount-display .amount small {
  font-size: 20px;
}

.link-box {
  background: #f6f8fa;
  border: 1px dashed var(--border);
  border-radius: 8px;
  padding: 14px;
  word-break: break-all;
  font-size: 13px;
  color: var(--text-secondary);
  margin: 16px 0;
}

.action-buttons {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.action-buttons .btn {
  padding: 14px;
  font-size: 16px;
  border-radius: 8px;
}

.info-row {
  display: flex;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px solid #f0f0f0;
  font-size: 14px;
}

.info-row:last-child {
  border-bottom: none;
}

.info-row .key {
  color: var(--text-secondary);
}

.user-stat-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  margin-top: 8px;
}

.user-stat-item {
  background: #fafafa;
  border-radius: 6px;
  padding: 8px 10px;
  font-size: 12px;
}

.user-stat-item .num {
  font-weight: 600;
  color: var(--primary);
  font-size: 16px;
}

.user-card {
  background: var(--white);
  border-radius: 10px;
  padding: 16px;
  margin-bottom: 12px;
  box-shadow: var(--shadow);
}

.user-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.user-card-header .name {
  font-weight: 600;
  font-size: 15px;
}

.search-bar {
  background: var(--white);
  padding: 12px 16px;
  border-radius: 8px;
  margin-bottom: 16px;
  box-shadow: var(--shadow);
}

.search-bar input {
  width: 100%;
}