/* ==================== 注册/登录弹窗样式 ==================== */

/* 遮罩层 */
.auth-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.auth-overlay.show {
  opacity: 1;
  visibility: visible;
}

/* 弹窗主体 */
.auth-modal {
  background: #fff;
  border-radius: 16px;
  width: 420px;
  max-width: 94vw;
  max-height: 92vh;
  overflow-y: auto;
  position: relative;
  transform: translateY(20px) scale(0.96);
  transition: transform 0.3s ease;
  box-shadow: 0 20px 60px rgba(0,0,0,0.25);
}

.auth-overlay.show .auth-modal {
  transform: translateY(0) scale(1);
}

/* 关闭按钮 */
.auth-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: none;
  background: var(--bg-light);
  cursor: pointer;
  font-size: 18px;
  color: var(--text-light);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
  z-index: 10;
}

.auth-close:hover {
  background: #eee;
  color: var(--text-primary);
}

/* 头部 */
.auth-header {
  padding: 32px 36px 0;
}

.auth-header h2 {
  font-size: 22px;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.auth-header p {
  font-size: 14px;
  color: var(--text-light);
}

/* Tab切换 */
.auth-tabs {
  display: flex;
  border-bottom: 2px solid var(--border);
  margin: 20px 36px 0;
}

.auth-tab {
  flex: 1;
  text-align: center;
  padding: 12px 0;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-light);
  cursor: pointer;
  position: relative;
  transition: color 0.2s;
  border: none;
  background: none;
  outline: none;
}

.auth-tab:hover {
  color: var(--text-secondary);
}

.auth-tab.active {
  color: var(--primary);
  font-weight: 600;
}

.auth-tab.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 20%;
  width: 60%;
  height: 3px;
  background: var(--primary);
  border-radius: 2px;
}

/* 表单区域 */
.auth-body {
  padding: 28px 36px 32px;
}

.auth-form {
  display: none;
}

.auth-form.active {
  display: block;
}

/* 手机号行（含区号选择） */
.phone-row {
  display: flex;
  gap: 0;
  margin-bottom: 18px;
}

.phone-prefix {
  width: 100px;
  padding: 11px 8px;
  border: 1.5px solid var(--border);
  border-right: none;
  border-radius: 8px 0 0 8px;
  font-size: 14px;
  color: var(--text-primary);
  background: var(--bg-light);
  outline: none;
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 24 24'%3E%3Cpath fill='%23999' d='M7 10l5 5 5-5z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 8px center;
  padding-right: 22px;
}

.phone-prefix:focus {
  border-color: var(--primary);
}

.phone-input {
  flex: 1;
  padding: 11px 14px;
  border: 1.5px solid var(--border);
  border-radius: 0 8px 8px 0;
  font-size: 14px;
  color: var(--text-primary);
  outline: none;
  transition: border-color 0.2s;
}

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

.phone-input::placeholder {
  color: var(--text-light);
}

/* 验证码行 */
.code-row {
  display: flex;
  gap: 12px;
  margin-bottom: 18px;
}

.code-input {
  flex: 1;
  padding: 11px 14px;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  color: var(--text-primary);
  outline: none;
  letter-spacing: 2px;
  transition: border-color 0.2s;
}

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

.code-btn {
  width: 120px;
  padding: 11px 0;
  border: 1.5px solid var(--primary);
  border-radius: 8px;
  background: #fff;
  color: var(--primary);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
  flex-shrink: 0;
}

.code-btn:hover:not(:disabled) {
  background: var(--primary-light);
}

.code-btn:disabled {
  border-color: var(--border);
  color: var(--text-light);
  cursor: not-allowed;
}

/* 密码行 */
.password-row {
  position: relative;
  margin-bottom: 18px;
}

.password-input {
  width: 100%;
  padding: 11px 44px 11px 14px;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  color: var(--text-primary);
  outline: none;
  transition: border-color 0.2s;
}

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

.password-toggle {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  cursor: pointer;
  font-size: 18px;
  color: var(--text-light);
  padding: 4px;
  transition: color 0.2s;
}

.password-toggle:hover {
  color: var(--text-secondary);
}

/* 忘记密码 */
.forgot-link {
  text-align: right;
  margin-top: -10px;
  margin-bottom: 18px;
}

.forgot-link a {
  font-size: 13px;
  color: var(--primary);
  cursor: pointer;
}

.forgot-link a:hover {
  text-decoration: underline;
}

/* 协议勾选 */
.auth-agreement {
  margin-bottom: 20px;
}

.auth-agreement label {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  cursor: pointer;
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
}

.auth-agreement input[type="checkbox"] {
  margin-top: 3px;
  flex-shrink: 0;
  width: 16px;
  height: 16px;
  accent-color: var(--primary);
}

.auth-agreement a {
  color: var(--primary);
  cursor: pointer;
}

.auth-agreement a:hover {
  text-decoration: underline;
}

/* 提交按钮 */
.auth-submit {
  width: 100%;
  padding: 13px;
  border: none;
  border-radius: 8px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

.auth-submit.btn-blue {
  background: var(--primary);
  color: #fff;
}

.auth-submit.btn-blue:hover {
  background: var(--primary-dark);
  box-shadow: 0 4px 16px rgba(43,107,235,0.3);
}

.auth-submit.btn-orange {
  background: var(--secondary);
  color: #fff;
}

.auth-submit.btn-orange:hover {
  background: #e55a25;
  box-shadow: 0 4px 16px rgba(255,107,53,0.3);
}

.auth-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* 身份选择（注册时） */
.role-select {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-bottom: 20px;
}

.role-card {
  border: 2px solid var(--border);
  border-radius: 12px;
  padding: 20px 16px;
  text-align: center;
  cursor: pointer;
  transition: all 0.25s;
  position: relative;
}

.role-card:hover {
  border-color: var(--primary);
  background: var(--primary-light);
}

.role-card.selected {
  border-color: var(--primary);
  background: var(--primary-light);
}

.role-card.selected::after {
  content: '✓';
  position: absolute;
  top: 8px;
  right: 10px;
  width: 22px;
  height: 22px;
  background: var(--primary);
  color: #fff;
  border-radius: 50%;
  font-size: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.role-icon {
  font-size: 32px;
  margin-bottom: 8px;
  display: block;
}

.role-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.role-desc {
  font-size: 12px;
  color: var(--text-light);
}

/* 分割线 */
.auth-divider {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 24px 0;
}

.auth-divider::before,
.auth-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

.auth-divider span {
  font-size: 12px;
  color: var(--text-light);
  white-space: nowrap;
}

/* 第三方登录 */
.social-login {
  display: flex;
  justify-content: center;
  gap: 24px;
}

.social-btn {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1.5px solid var(--border);
  background: #fff;
  cursor: pointer;
  font-size: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}

.social-btn:hover {
  border-color: var(--primary);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

.social-btn.wechat:hover {
  border-color: #07c160;
}

.social-btn.qq:hover {
  border-color: #12b7f5;
}

.social-btn.weibo:hover {
  border-color: #e6162d;
}

/* 底部切换 */
.auth-footer {
  padding: 0 36px 28px;
  text-align: center;
  font-size: 14px;
  color: var(--text-secondary);
}

.auth-footer a {
  color: var(--primary);
  font-weight: 600;
  cursor: pointer;
}

.auth-footer a:hover {
  text-decoration: underline;
}

/* 密码强度指示器 */
.password-strength {
  display: flex;
  gap: 6px;
  margin-top: 8px;
  margin-bottom: 12px;
}

.strength-bar {
  flex: 1;
  height: 4px;
  border-radius: 2px;
  background: var(--border);
  transition: background 0.3s;
}

.strength-bar.weak { background: var(--danger); }
.strength-bar.medium { background: var(--warning); }
.strength-bar.strong { background: var(--success); }

.strength-text {
  font-size: 12px;
  color: var(--text-light);
  margin-bottom: 14px;
}

/* 表单错误提示 */
.form-error {
  background: #fff2f0;
  border: 1px solid #ffccc7;
  border-radius: 6px;
  padding: 10px 14px;
  font-size: 13px;
  color: var(--danger);
  margin-bottom: 16px;
  display: none;
  align-items: center;
  gap: 6px;
}

.form-error.show {
  display: flex;
}

/* 表单成功提示 */
.form-success {
  background: #f6ffed;
  border: 1px solid #b7eb8f;
  border-radius: 6px;
  padding: 10px 14px;
  font-size: 13px;
  color: var(--success);
  margin-bottom: 16px;
  display: none;
  align-items: center;
  gap: 6px;
}

.form-success.show {
  display: flex;
}

/* 注册成功页面 */
.register-success {
  text-align: center;
  padding: 32px 0;
}

.register-success .icon {
  font-size: 64px;
  display: block;
  margin-bottom: 16px;
}

.register-success h3 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 8px;
}

.register-success p {
  font-size: 15px;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

/* 导航栏用户状态 */
.nav-user {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.nav-user-avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), #6c9ef8);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s;
}

.nav-user-avatar:hover {
  transform: scale(1.1);
}

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

.nav-user-name {
  font-size: 14px;
  color: var(--text-primary);
  font-weight: 500;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-user-name:hover {
  color: var(--primary);
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 8px;
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 6px 24px rgba(0,0,0,0.12);
  min-width: 180px;
  padding: 8px 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-4px);
  transition: all 0.2s;
  z-index: 100;
}

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

.dropdown-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  font-size: 14px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.15s;
}

.dropdown-item:hover {
  background: var(--primary-light);
  color: var(--primary);
}

.dropdown-divider {
  height: 1px;
  background: var(--border);
  margin: 4px 0;
}

.dropdown-item.danger {
  color: var(--danger);
}

.dropdown-item.danger:hover {
  background: #fff2f0;
}

/* 短信验证码倒计时动画 */
@keyframes countdown-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

.code-btn.counting {
  animation: countdown-pulse 1s infinite;
}

/* 输入框焦点状态增强 */
.phone-row:focus-within .phone-prefix,
.phone-row:focus-within .phone-input {
  border-color: var(--primary);
}

/* 响应式 */
@media (max-width: 480px) {
  .auth-modal {
    width: 100%;
    max-width: 100%;
    border-radius: 16px 16px 0 0;
    max-height: 90vh;
  }
  .auth-body, .auth-header, .auth-footer {
    padding-left: 24px;
    padding-right: 24px;
  }
  .role-select {
    grid-template-columns: 1fr;
  }
}