/**
 * paypal.css — Premium 订阅弹窗样式
 */

/* 遮罩层 */
.premium-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.premium-overlay.active {
  opacity: 1;
  visibility: visible;
}

/* 弹窗主体 */
.premium-modal {
  background: linear-gradient(145deg, #1a1a2e 0%, #16213e 100%);
  border-radius: 20px;
  padding: 32px;
  max-width: 420px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  transform: translateY(20px);
  transition: transform 0.3s ease;
  box-shadow:
    0 25px 50px -12px rgba(0, 0, 0, 0.5),
    0 0 0 1px rgba(255, 255, 255, 0.1);
}

.premium-overlay.active .premium-modal {
  transform: translateY(0);
}

/* 关闭按钮 */
.premium-modal .close-btn {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 32px;
  height: 32px;
  border: none;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  color: #fff;
  font-size: 18px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s ease;
}

.premium-modal .close-btn:hover {
  background: rgba(255, 255, 255, 0.2);
}

/* 标题区 */
.premium-header {
  text-align: center;
  margin-bottom: 28px;
}

.premium-badge {
  display: inline-block;
  background: linear-gradient(135deg, #f5af19 0%, #f12711 100%);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  padding: 6px 16px;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 12px;
}

.premium-title {
  font-size: 26px;
  font-weight: 700;
  color: #fff;
  margin: 0 0 8px 0;
  line-height: 1.3;
}

.premium-subtitle {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  margin: 0;
  line-height: 1.5;
}

/* 功能列表 */
.premium-features {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 24px;
}

.premium-features h4 {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin: 0 0 16px 0;
  text-align: center;
}

.feature-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.feature-item {
  display: flex;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.feature-item:last-child {
  border-bottom: none;
}

.feature-item .icon {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(245, 175, 25, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 12px;
  font-size: 14px;
  flex-shrink: 0;
}

.feature-item .icon.unlimited {
  background: rgba(0, 255, 136, 0.15);
}

.feature-item .icon.storage {
  background: rgba(147, 112, 219, 0.15);
}

.feature-item .icon.badge {
  background: rgba(255, 215, 0, 0.15);
}

.feature-item .text {
  flex: 1;
}

.feature-item .text .label {
  font-size: 14px;
  color: #fff;
  font-weight: 500;
  display: block;
}

.feature-item .text .desc {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.5);
  display: block;
  margin-top: 2px;
}

/* 价格区 */
.premium-pricing {
  text-align: center;
  margin-bottom: 24px;
  padding: 20px;
  background: linear-gradient(135deg, rgba(245, 175, 25, 0.1) 0%, rgba(241, 39, 17, 0.1) 100%);
  border-radius: 12px;
  border: 1px solid rgba(245, 175, 25, 0.2);
}

.price-tag {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 4px;
}

.price-currency {
  font-size: 20px;
  color: rgba(255, 255, 255, 0.7);
  font-weight: 500;
}

.price-amount {
  font-size: 42px;
  font-weight: 800;
  color: #f5af19;
  line-height: 1;
}

.price-period {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.5);
  margin-left: 4px;
}

.price-note {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.4);
  margin-top: 8px;
}

/* PayPal 按钮容器 */
.premium-paypal {
  margin-bottom: 16px;
}

.premium-paypal-btn {
  width: 100%;
  min-height: 48px;
  background: linear-gradient(135deg, #f5af19 0%, #f12711 100%);
  border: none;
  border-radius: 24px;
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 24px;
}

.premium-paypal-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(245, 175, 25, 0.3);
}

.premium-paypal-btn:active {
  transform: translateY(0);
}

.premium-paypal-btn .paypal-icon {
  font-size: 20px;
}

/* 登录提示 */
.premium-login-hint {
  text-align: center;
  padding: 16px;
  background: rgba(255, 255, 255, 0.03);
  border-radius: 12px;
  margin-bottom: 16px;
}

.premium-login-hint p {
  margin: 0 0 12px 0;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
}

.premium-login-btn {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 20px;
  color: #fff;
  padding: 8px 20px;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.premium-login-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.3);
}

/* 底部说明 */
.premium-footer {
  text-align: center;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.premium-footer p {
  font-size: 11px;
  color: rgba(255, 255, 255, 0.3);
  margin: 0;
  line-height: 1.6;
}

.premium-footer a {
  color: rgba(255, 255, 255, 0.5);
  text-decoration: none;
}

.premium-footer a:hover {
  color: #fff;
}

/* 加载状态 */
.premium-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
}

.premium-loading .spinner {
  width: 40px;
  height: 40px;
  border: 3px solid rgba(255, 255, 255, 0.1);
  border-top-color: #f5af19;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.premium-loading p {
  color: rgba(255, 255, 255, 0.6);
  margin-top: 16px;
  font-size: 14px;
}

/* 成功状态 */
.premium-success {
  text-align: center;
  padding: 20px;
}

.premium-success .check-icon {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, #00c853 0%, #00e676 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-size: 32px;
  animation: scaleIn 0.3s ease;
}

@keyframes scaleIn {
  from {
    transform: scale(0);
    opacity: 0;
  }
  to {
    transform: scale(1);
    opacity: 1;
  }
}

.premium-success h3 {
  font-size: 22px;
  color: #fff;
  margin: 0 0 8px 0;
}

.premium-success p {
  color: rgba(255, 255, 255, 0.6);
  font-size: 14px;
  margin: 0;
}

/* 移动端适配 */
@media (max-width: 480px) {
  .premium-modal {
    padding: 24px 20px;
    border-radius: 16px;
    margin: 16px;
  }

  .premium-title {
    font-size: 22px;
  }

  .price-amount {
    font-size: 36px;
  }
}