/**
 * 认证UI样式
 * 登录模态框、用户菜单等组件样式
 */

/* ============================================
   登录按钮
   ============================================ */
.login-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  background: #6366F1;
  color: white;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  transition: all 0.3s ease;
  box-shadow: 0 2px 8px rgba(99, 102, 241, 0.3);
  flex-shrink: 0; /* 防止登录按钮被压缩 */
  white-space: nowrap; /* 防止文字换行 */
  z-index: 1002; /* 确保在导航栏上方 */
}

.login-btn:hover {
  background: #4F46E5;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.4);
}

.login-btn svg {
  flex-shrink: 0;
}

/* 隐藏登录按钮（当用户已登录时） */
.login-btn.auth-hidden,
#login-btn.auth-hidden {
  display: none !important;
}

/* ============================================
   登录模态框
   ============================================ */
.auth-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  animation: fadeIn 0.2s ease;
}

/* 确保标题横幅使用深灰色 */
.auth-modal-content .modal-title-banner {
  background: linear-gradient(180deg, #4A4A4D 0%, #3A3A3D 50%, #2A2A2D 100%) !important;
  border-bottom: 2px solid #1A1A1D !important;
}

.auth-modal-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
}

.auth-modal-content {
  position: relative;
  background: linear-gradient(180deg, #FFF9E6 0%, #FFF4D6 100%);
  border-radius: 32px;
  padding: 0;
  max-width: 450px;
  width: 90%;
  max-height: 90vh;
  overflow: hidden;
  box-shadow: 
    0 8px 0 rgba(0, 0, 0, 0.2),
    0 16px 40px rgba(0, 0, 0, 0.4);
  border: 3px solid #A5B4FC;
  animation: modalBounce 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  box-sizing: border-box;
}

.auth-modal-content::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 50%;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.3), rgba(255, 255, 255, 0));
  border-radius: 32px 32px 0 0;
  pointer-events: none;
  z-index: 1;
}

/* 当有标题横幅时，调整 ::after 伪元素位置，避免覆盖标题横幅 */
.auth-modal-content.has-title-banner::after {
  top: auto;
  bottom: 0;
  height: 30%;
  border-radius: 0 0 32px 32px;
  background: linear-gradient(0deg, rgba(255, 255, 255, 0.2), rgba(255, 255, 255, 0));
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.auth-modal-close,
.modal-close-btn {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(180deg, #4CD964 0%, #3CB54A 50%, #2E8B3A 100%);
  border: none;
  border-bottom: 3px solid #1F6B2A;
  color: white;
  font-size: 20px;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 
    0 4px 0 rgba(0, 0, 0, 0.25),
    inset 0 2px 4px rgba(255, 255, 255, 0.3);
  transition: all 0.15s ease;
  z-index: 10;
  line-height: 1;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.auth-modal-close::before,
.modal-close-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 50%;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.4), rgba(255, 255, 255, 0));
  border-radius: 50% 50% 0 0;
  pointer-events: none;
}

.auth-modal-close:hover,
.modal-close-btn:hover {
  transform: scale(1.1);
  box-shadow: 
    0 5px 0 rgba(0, 0, 0, 0.25),
    inset 0 2px 4px rgba(255, 255, 255, 0.4);
}

.auth-modal-close:active,
.modal-close-btn:active {
  transform: scale(0.95);
  box-shadow: 
    0 2px 0 rgba(0, 0, 0, 0.25),
    inset 0 2px 4px rgba(255, 255, 255, 0.3);
}

.auth-modal-header {
  text-align: center;
  margin-bottom: 28px;
}

.auth-modal-header h2 {
  font-size: 24px;
  font-weight: 700;
  color: #1f2937;
  margin: 0 0 8px 0;
}

.auth-modal-header p {
  font-size: 14px;
  color: #666;
  margin: 0;
}

.modal-content-area {
  padding: 40px;
  padding-top: 32px;
  position: relative;
  z-index: 1;
  box-sizing: border-box;
  width: 100%;
}

.auth-modal-body {
  display: flex;
  flex-direction: column;
  gap: 12px;
  width: 100%;
  align-items: stretch;
  box-sizing: border-box;
}

.auth-modal-body .oauth-btn {
  width: 100%;
  box-sizing: border-box;
  flex-shrink: 0;
}

.auth-modal-footer {
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid #e5e7eb;
  text-align: center;
}

.auth-modal-footer p {
  font-size: 12px;
  color: #9ca3af;
  margin: 0;
  line-height: 1.5;
}

/* ============================================
   OAuth登录按钮 - 3D立体感按钮
   ============================================ */
.oauth-btn {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 20px;
  border: none;
  border-radius: 24px;
  background: linear-gradient(180deg, #FFFFFF 0%, #F0F0F0 50%, #D0D0D0 100%);
  border-bottom: 3px solid #A0A0A0;
  cursor: pointer;
  font-size: 15px;
  font-weight: 700;
  color: #4A90E2;
  transition: all 0.15s ease;
  width: 100%;
  box-sizing: border-box;
  text-decoration: none;
  position: relative;
  overflow: hidden;
  box-shadow: 0 4px 0 rgba(0, 0, 0, 0.25);
  transform: translateY(0);
  flex-shrink: 0;
}

.oauth-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 50%;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.4), rgba(255, 255, 255, 0));
  border-radius: 24px 24px 0 0;
  pointer-events: none;
}

.oauth-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 0 rgba(0, 0, 0, 0.25);
}

.oauth-btn:active {
  transform: translateY(2px);
  box-shadow: 0 2px 0 rgba(0, 0, 0, 0.25);
}

.oauth-btn-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  position: relative;
  z-index: 1;
}

.oauth-btn-text {
  flex: 1;
  text-align: left;
  position: relative;
  z-index: 1;
}

/* 各平台品牌色 - 保持3D立体感 */
.oauth-btn-google {
  color: #4285F4;
}

.oauth-btn-google:hover {
  background: linear-gradient(180deg, #F8F9FF 0%, #E8EBFF 50%, #D8DBFF 100%);
  border-bottom-color: #4285F4;
}

.oauth-btn-twitter {
  color: #000000;
}

.oauth-btn-twitter:hover {
  background: linear-gradient(180deg, #F5F5F5 0%, #E5E5E5 50%, #D5D5D5 100%);
  border-bottom-color: #000000;
}

.oauth-btn-facebook {
  color: #1877F2;
}

.oauth-btn-facebook:hover {
  background: linear-gradient(180deg, #F0F7FF 0%, #E0EFFF 50%, #D0E7FF 100%);
  border-bottom-color: #1877F2;
}

.oauth-btn-discord {
  color: #5865F2;
}

.oauth-btn-discord:hover {
  background: linear-gradient(180deg, #F3F4FF 0%, #E3E4FF 50%, #D3D4FF 100%);
  border-bottom-color: #5865F2;
}

.oauth-btn-apple {
  color: #000000;
}

.oauth-btn-apple:hover {
  background: linear-gradient(180deg, #F5F5F5 0%, #E5E5E5 50%, #D5D5D5 100%);
  border-bottom-color: #000000;
}

.oauth-btn-reddit {
  color: #FF4500;
}

.oauth-btn-reddit:hover {
  background: linear-gradient(180deg, #FFF5F0 0%, #FFE5E0 50%, #FFD5D0 100%);
  border-bottom-color: #FF4500;
}

/* 邮箱登录按钮特殊样式 - 3D蓝色按钮 */
.email-login-btn {
  background: linear-gradient(180deg, #63A4E8 0%, #4A90E2 50%, #357ABD 100%);
  color: white;
  border: none;
  border-bottom: 3px solid #2A5F8F;
  border-radius: 24px;
  font-weight: 700;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
  box-shadow: 0 4px 0 rgba(0, 0, 0, 0.25);
  position: relative;
  overflow: hidden;
  transition: all 0.15s ease;
  transform: translateY(0);
}

.email-login-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 50%;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.4), rgba(255, 255, 255, 0));
  border-radius: 24px 24px 0 0;
  pointer-events: none;
}

.email-login-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 0 rgba(0, 0, 0, 0.25);
}

.email-login-btn:active {
  transform: translateY(2px);
  box-shadow: 0 2px 0 rgba(0, 0, 0, 0.25);
}

.email-login-btn .oauth-btn-icon svg {
  stroke: white;
  position: relative;
  z-index: 1;
}

.email-login-btn .oauth-btn-text {
  position: relative;
  z-index: 1;
}

/* 分隔线 */
.auth-divider {
  display: flex;
  align-items: center;
  text-align: center;
  margin: 8px 0;
}

.auth-divider::before,
.auth-divider::after {
  content: '';
  flex: 1;
  border-bottom: 1px solid #e5e7eb;
}

.auth-divider span {
  padding: 0 12px;
  color: #9ca3af;
  font-size: 13px;
  font-weight: 500;
}

/* ============================================
   用户菜单
   ============================================ */
.user-container {
  position: relative;
  display: none;
  align-items: center;
  flex-shrink: 0; /* 防止用户容器被压缩 */
}

.user-menu-trigger {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px; /* 减小padding以缩小高度 */
  background: linear-gradient(180deg, #FF9500 0%, #FF8000 100%);
  border: none;
  border-radius: 16px;
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: 
    0 6px 0 rgba(0, 0, 0, 0.2),
    0 8px 16px rgba(0, 0, 0, 0.3);
  color: white;
  font-weight: 700;
  font-size: 14px; /* 减小字体大小 */
  flex-shrink: 0; /* 防止用户菜单被压缩 */
  white-space: nowrap; /* 防止文字换行 */
  z-index: 1002; /* 确保在导航栏上方 */
  height: auto;
  position: relative; /* 为未读消息徽章定位 */
}

.user-menu-trigger:hover {
  transform: translateY(-2px);
  box-shadow: 
    0 8px 0 rgba(0, 0, 0, 0.2),
    0 10px 20px rgba(0, 0, 0, 0.35);
}

.user-menu-trigger:active {
  transform: translateY(2px);
  box-shadow: 
    0 2px 0 rgba(0, 0, 0, 0.2),
    0 4px 8px rgba(0, 0, 0, 0.25);
}

.user-avatar {
  width: 20px; /* 减小头像大小 */
  height: 20px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  border: 2px solid rgba(255, 255, 255, 0.5);
}

.user-name {
  font-size: 14px; /* 减小字体大小 */
  font-weight: 700;
  color: white;
  max-width: 100px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.user-menu-trigger svg {
  flex-shrink: 0;
  color: white;
  transition: transform 0.2s ease;
  filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.3));
}

.user-dropdown.show .user-menu-trigger svg {
  transform: rotate(180deg);
}

/* 下拉菜单 */
.user-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 200px;
  background: white;
  border: 1px solid #e5e7eb;
  border-radius: 12px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all 0.2s ease;
  z-index: 1000;
  overflow: hidden; /* 确保内容不会超出圆角边界 */
}

.user-dropdown.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.user-dropdown-item {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 12px 16px;
  border: none;
  background: none;
  color: #000000 !important;
  font-size: 14px;
  font-weight: 600;
  text-align: left;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s ease;
  box-sizing: border-box; /* 确保 padding 包含在宽度内 */
}

.user-dropdown-item:first-child {
  border-top-left-radius: 12px;
  border-top-right-radius: 12px;
}

.user-dropdown-item:first-child:hover {
  border-top-left-radius: 12px;
  border-top-right-radius: 12px;
}

.user-dropdown-item:last-child {
  border-bottom-left-radius: 12px;
  border-bottom-right-radius: 12px;
}

.user-dropdown-item:last-child:hover {
  border-bottom-left-radius: 12px;
  border-bottom-right-radius: 12px;
}

.user-dropdown-item svg {
  flex-shrink: 0;
  color: #000000;
}

.user-dropdown-item:hover {
  background: #f3f4f6;
  color: #6366F1 !important;
  /* 确保背景色不超出边界 */
  margin: 0;
}

.user-dropdown-item:hover svg {
  color: #6366F1;
}

/* 未读消息徽章 */
.unread-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 18px;
  height: 18px;
  padding: 0 6px;
  background: #EF4444;
  color: white;
  border-radius: 9px;
  font-size: 11px;
  font-weight: 700;
  line-height: 1;
  margin-left: auto;
  flex-shrink: 0;
}

.user-menu-trigger .unread-badge {
  position: absolute;
  top: -4px;
  right: -4px;
  margin-left: 0;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.user-dropdown-item {
  position: relative;
}

.user-dropdown-item .unread-badge {
  margin-left: auto;
}

/* ============================================
   响应式设计
   ============================================ */
@media (max-width: 768px) {
  /* 确保 auth-modal 在移动端正确居中 */
  .auth-modal {
    padding: 0 !important;
  }

  /* 确保 auth-modal-content 本身占满宽度并居中 */
  .auth-modal-content {
    width: 95% !important;
    max-width: 95% !important;
    box-sizing: border-box !important;
    margin: 0 auto !important;
    padding: 0 !important;
  }
  
  /* 确保 modal-content 本身不会限制宽度 */
  .auth-modal-content.modal-content {
    width: 95% !important;
    max-width: 95% !important;
  }

  .auth-modal-content .modal-title-banner {
    background: linear-gradient(180deg, #4A4A4D 0%, #3A3A3D 50%, #2A2A2D 100%) !important;
    border-bottom: 2px solid #1A1A1D !important;
    z-index: 3 !important;
    position: relative;
  }

  .auth-modal-content .modal-title-banner h2 {
    margin-right: 45px !important; /* 为关闭按钮留出空间 */
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .auth-modal-content.has-title-banner::after {
    top: auto;
    bottom: 0;
    height: 30%;
    border-radius: 0 0 32px 32px;
    background: linear-gradient(0deg, rgba(255, 255, 255, 0.2), rgba(255, 255, 255, 0));
  }

  .auth-modal-content .modal-content-area {
    padding: 24px !important;
    padding-left: 24px !important;
    padding-right: 24px !important;
    box-sizing: border-box !important;
    width: 100% !important;
    max-width: 100% !important;
    min-width: 100% !important;
    margin: 0 !important;
    display: flex !important;
    flex-direction: column !important;
    align-items: stretch !important;
  }

  .auth-modal-content .auth-modal-body {
    width: 100% !important;
    max-width: 100% !important;
    min-width: 100% !important;
    align-items: stretch !important;
    box-sizing: border-box !important;
    padding: 0 !important;
    margin: 0 !important;
    margin-left: 0 !important;
    margin-right: 0 !important;
    display: flex !important;
    flex-direction: column !important;
  }

  .auth-modal-content .auth-modal-body .oauth-btn {
    padding: 10px 16px !important;
    font-size: 14px;
    width: 100% !important;
    min-width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    flex-shrink: 0 !important;
    margin-left: 0 !important;
    margin-right: 0 !important;
    margin-top: 0 !important;
    margin-bottom: 12px !important;
    align-self: stretch !important;
    display: flex !important;
    position: relative !important;
  }
  
  /* 确保所有按钮（包括email-login-btn）都占满宽度 */
  .auth-modal-content .auth-modal-body button.oauth-btn,
  .auth-modal-content .auth-modal-body .email-login-btn,
  .auth-modal-content .auth-modal-body .oauth-btn-google,
  .auth-modal-content .auth-modal-body .oauth-btn-discord {
    width: 100% !important;
    min-width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    margin-left: 0 !important;
    margin-right: 0 !important;
  }

  .auth-modal-content .auth-modal-body .oauth-btn:last-child {
    margin-bottom: 0 !important;
  }

  .auth-modal-content .auth-modal-body .auth-divider {
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    margin: 8px 0 !important;
  }

  .auth-modal-header h2 {
    font-size: 20px;
  }

  .user-name {
    max-width: 80px;
  }

  .user-dropdown {
    right: -20px;
  }
}

@media (max-width: 480px) {
  .login-btn .btn-text {
    display: none;
  }

  .login-btn {
    padding: 8px 12px;
  }

  /* 移动端也显示用户昵称，但限制最大宽度 */
  .user-name {
    max-width: 60px;
    font-size: 12px;
  }

  .user-menu-trigger {
    padding: 6px 10px;
  }

  .oauth-btn-text {
    font-size: 13px;
  }
}

/* ============================================
   动画效果
   ============================================ */
@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.8;
  }
}

.oauth-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  animation: pulse 1.5s ease-in-out infinite;
}

/* ============================================
   无障碍支持
   ============================================ */
.oauth-btn:focus,
.login-btn:focus,
.user-menu-trigger:focus,
.user-dropdown-item:focus {
  outline: 2px solid #6366F1;
  outline-offset: 2px;
}

.auth-modal-close:focus {
  outline: 2px solid #6366F1;
  outline-offset: 2px;
}