@import url('https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.0/css/all.min.css');

:root {
  --main-bg: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
  --card-bg: rgba(255,255,255,0.95);
  --accent: #667eea;
  --accent2: #764ba2;
  --text: #2d3748;
  --muted: #718096;
  --border: #e2e8f0;
  --radius: 12px;
  --shadow: 0 4px 20px rgba(102, 126, 234, 0.15);
  --shadow-hover: 0 8px 32px rgba(102, 126, 234, 0.25);
  --success: #48bb78;
  --warning: #ed8936;
  --danger: #f56565;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background: var(--main-bg);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  color: var(--text);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.05), rgba(118, 75, 162, 0.02));
  pointer-events: none;
  z-index: -1;
}

/* 背景装饰元素 */
.login-bg-decor {
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}

.decor {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.6;
  animation: float 6s ease-in-out infinite;
}

.decor1 {
  top: -150px;
  right: -100px;
  width: 400px;
  height: 400px;
  background: linear-gradient(135deg, rgba(102, 126, 234, 0.3), rgba(118, 75, 162, 0.3));
  animation-delay: 0s;
}

.decor2 {
  bottom: -150px;
  left: -100px;
  width: 400px;
  height: 400px;
  background: linear-gradient(135deg, rgba(118, 75, 162, 0.3), rgba(102, 126, 234, 0.3));
  animation-delay: 2s;
}

.decor3 {
  top: 40%;
  left: -80px;
  width: 200px;
  height: 200px;
  background: linear-gradient(135deg, rgba(102, 126, 234, 0.2), rgba(118, 75, 162, 0.2));
  animation-delay: 4s;
}

@keyframes float {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-20px) rotate(180deg); }
}

/* 主登录容器 */
.glass-card {
  background: var(--card-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 3rem 2.5rem;
  border: 1px solid rgba(255,255,255,0.4);
  max-width: 450px;
  width: 100%;
  position: relative;
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  animation: slideInUp 0.8s ease;
}

.glass-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  border-radius: var(--radius) var(--radius) 0 0;
}

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

/* 标题样式 */
.login-title {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--accent);
  text-align: center;
  margin-bottom: 0.5rem;
  letter-spacing: 2px;
  position: relative;
}

.login-title::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  border-radius: 2px;
}

.reset-title {
  font-size: 2rem;
  font-weight: 600;
  color: var(--accent);
  text-align: center;
  margin-bottom: 0.5rem;
}

.login-accent {
  color: var(--accent2);
  font-weight: 900;
}

.login-subtitle {
  color: var(--muted);
  text-align: center;
  margin-bottom: 2rem;
  font-size: 1.1rem;
  font-weight: 500;
  letter-spacing: 0.5px;
}

/* 表单样式 */
.login-form, .register-form {
  width: 100%;
  display: flex;
  flex-direction: column;
}

.toggle-password {
  margin-left: -30px;
  color: var(--muted);
  cursor: pointer;
  font-size: 1.1rem;
  transition: all 0.3s ease;
  padding: 0.5rem;
  border-radius: 50%;
}

.toggle-password:hover {
  color: var(--accent);
  background: rgba(102, 126, 234, 0.1);
  transform: scale(1.1);
}

/* 记住我和忘记密码 */
.form-row.form-remember {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 0 0.5rem;
  font-size: 0.95rem;
}

.form-row.form-remember label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text);
  cursor: pointer;
  font-weight: 500;
}

.form-row.form-remember input[type="checkbox"] {
  accent-color: var(--accent);
  width: 1.1em;
  height: 1.1em;
  border-radius: 4px;
}

.forgot-link {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
  padding: 0.3rem 0.8rem;
  border-radius: var(--radius);
}

.forgot-link:hover {
  color: var(--accent2);
  background: rgba(102, 126, 234, 0.1);
  transform: translateX(2px);
}

/* 按钮样式 */
.login-btn {
  width: 100%;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: white;
  border: none;
  border-radius: var(--radius);
  padding: 1rem 0;
  font-size: 1.1rem;
  font-weight: 700;
  cursor: pointer;
  margin: 1rem 0;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  text-transform: uppercase;
  letter-spacing: 1px;
  position: relative;
  overflow: hidden;
}

.login-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.5s ease;
}

.login-btn:hover::before {
  left: 100%;
}

.login-btn:hover {
  background: linear-gradient(135deg, var(--accent2), var(--accent));
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(102, 126, 234, 0.4);
}

.login-btn:active {
  transform: translateY(0);
}
.form-success {
    color: #4caf50;
    background: #e8f5e9;
    border: 1px solid #4caf50;
    border-radius: 6px;
    padding: 10px 16px;
    margin-bottom: 16px;
    text-align: center;
    font-size: 15px;
  }

/* 注册链接 */
.register-link {
  margin-top: 1.5rem;
  color: var(--muted);
  text-align: center;
  font-size: 1rem;
  font-weight: 500;
}

.register-link a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 700;
  transition: all 0.3s ease;
  padding: 0.3rem 0.8rem;
  border-radius: var(--radius);
  margin-left: 0.5rem;
}

.register-link a:hover {
  color: var(--accent2);
  background: rgba(102, 126, 234, 0.1);
  transform: translateX(2px);
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-5px); }
  75% { transform: translateX(5px); }
}

/* 密码强度指示器 */
.password-strength {
  margin-top: 0.5rem;
  padding: 0.8rem;
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 500;
  display: none;
}

.password-strength.weak {
  background: rgba(245, 101, 101, 0.1);
  color: var(--danger);
  border: 1px solid rgba(245, 101, 101, 0.2);
  display: block;
}

.password-strength.medium {
  background: rgba(237, 137, 54, 0.1);
  color: var(--warning);
  border: 1px solid rgba(237, 137, 54, 0.2);
  display: block;
}

.password-strength.strong {
  background: rgba(72, 187, 120, 0.1);
  color: var(--success);
  border: 1px solid rgba(72, 187, 120, 0.2);
  display: block;
}

/* 加载状态 */
.loading {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid rgba(255,255,255,.3);
  border-radius: 50%;
  border-top-color: #fff;
  animation: spin 1s ease-in-out infinite;
}

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

/* 微信登录相关样式 */
.login-method-switch {
  display: flex;
  background: rgba(255,255,255,0.8);
  border-radius: var(--radius);
  padding: 4px;
  margin-bottom: 1.5rem;
  box-shadow: 0 2px 8px rgba(102, 126, 234, 0.1);
  border: 2px solid rgba(102, 126, 234, 0.1);
}

.method-btn {
  flex: 1;
  background: transparent;
  border: none;
  padding: 0.8rem 1rem;
  border-radius: calc(var(--radius) - 4px);
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--muted);
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.method-btn:hover {
  color: var(--accent);
  background: rgba(102, 126, 234, 0.05);
}

.method-btn.active {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: white;
  box-shadow: 0 2px 8px rgba(102, 126, 234, 0.3);
}

.method-btn i {
  font-size: 1rem;
}

.login-method-form {
  width: 100%;
}

/* 第三方登录区域样式 */
.third-party-login {
  width: 100%;
}

.divider {
  position: relative;
  text-align: center;
  margin: 1rem 0;
}

.divider::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
}

.divider span {
  background: var(--card-bg);
  padding: 0 1rem;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 500;
  position: relative;
  z-index: 0;
}

.third-party-buttons {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-top: 1rem;
}

.wechat-login-btn {
  position: relative;
  width: 25px;
  height: 25px;
  border-radius: 50%;
  background: linear-gradient(135deg, #07c160, #00d4aa);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 2px 8px rgba(7, 193, 96, 0.3);
}


.wechat-login-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(7, 193, 96, 0.4);
}

.wechat-login-btn i {
  font-size: 1rem;
}

/* 二维码弹窗样式 */
.qr-popup {
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  background: white;
  border-radius: var(--radius);
  box-shadow: 0 8px 32px rgba(0,0,0,0.15);
  padding: 1.5rem;
  margin-bottom: 1rem;
  width: 280px;
  display: none;
  z-index: 1000;
  border: 1px solid var(--border);
}

.qr-popup::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 8px solid transparent;
  border-top-color: white;
}

.wechat-login-btn:hover .qr-popup {
  display: block;
}

/* 合并后的二维码相关样式 */
.qr-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}
.qr-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  color: var(--muted);
}
.qr-loading i {
  font-size: 2rem;
  color: var(--accent);
}
.qr-loading p {
  font-size: 0.9rem;
  font-weight: 500;
}
.qr-code {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}
#qr-image {
  width: 200px;
  height: 200px;
  background: white;
  border: 2px solid var(--border);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}
#qr-image img {
  max-width: 100%;
  max-height: 100%;
  border-radius: calc(var(--radius) - 2px);
}
.qr-tip {
  color: var(--muted);
  font-size: 0.9rem;
  text-align: center;
  margin: 0;
}
.qr-refresh-btn {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: white;
  border: none;
  padding: 0.6rem 1.2rem;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 500;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  box-shadow: 0 2px 8px rgba(102, 126, 234, 0.3);
}
.qr-refresh-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(102, 126, 234, 0.4);
}
.qr-refresh-btn:active {
  transform: translateY(0);
}
.qr-expired {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  color: var(--warning);
}
.qr-expired i {
  font-size: 2rem;
}
.qr-expired p {
  font-size: 0.9rem;
  font-weight: 500;
  margin: 0;
}
.wechat-success {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  color: var(--success);
}
.wechat-success i {
  font-size: 2rem;
}
.wechat-success p {
  font-size: 0.9rem;
  font-weight: 500;
  margin: 0;
}
/* 响应式只保留差异部分 */
@media (max-width: 480px) {
  #qr-image {
    width: 180px;
    height: 180px;
  }
  .qr-popup {
    width: 260px;
    padding: 1rem;
  }
}

/* 响应式设计 */
@media (max-width: 768px) {
  .glass-card {
    margin: 1rem;
    padding: 2rem 1.5rem;
  }
  
  .decor1, .decor2 {
    width: 300px;
    height: 300px;
  }
  
  .decor3 {
    width: 150px;
    height: 150px;
  }
}

@media (max-width: 480px) {
  .glass-card {
    padding: 1.5rem 1rem;
  }
  
  .login-title {
    font-size: 1.8rem;
  }
  
  .login-subtitle {
    font-size: 1rem;
  }
  
  .form-group {
    padding: 0.6rem 0.8rem;
  }
  
  .login-btn {
    padding: 0.8rem 0;
    font-size: 1rem;
  }
}

/* 滚动条美化 */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: rgba(255,255,255,0.1);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(135deg, var(--accent2), var(--accent));
}

/* 密码强度指示器 */
.password-strength {
  margin-top: 0.5rem;
  padding: 0.8rem;
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 500;
  display: none;
}

.password-strength.weak {
  background: rgba(245, 101, 101, 0.1);
  color: var(--danger);
  border: 1px solid rgba(245, 101, 101, 0.2);
  display: block;
}

.password-strength.medium {
  background: rgba(237, 137, 54, 0.1);
  color: var(--warning);
  border: 1px solid rgba(237, 137, 54, 0.2);
  display: block;
}

.password-strength.strong {
  background: rgba(72, 187, 120, 0.1);
  color: var(--success);
  border: 1px solid rgba(72, 187, 120, 0.2);
  display: block;
}

/* 加载状态 */
.loading {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid rgba(255,255,255,.3);
  border-radius: 50%;
  border-top-color: #fff;
  animation: spin 1s ease-in-out infinite;
}

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

/* 忘记密码弹窗美化 */
#forgotPasswordModal .modal-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 1.2rem;
  display: flex;
  align-items: center;
  gap: 0.7em;
}
#forgotPasswordModal .form-group label {
  color: var(--accent2);
  font-weight: 600;
  font-size: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5em;
}
#forgotPasswordModal .form-error, #forgotPasswordModal .form-success {
  margin: 0.7em 0 0.2em 0;
  text-align: center;
  font-size: 1rem;
  border-radius: var(--radius);
  padding: 0.7em 1em;
  display: none;
}
#forgotPasswordModal .form-error {
  background: rgba(245, 101, 101, 0.08);
  color: var(--danger);
  border: 1px solid rgba(245, 101, 101, 0.18);
}
#forgotPasswordModal .form-success {
  background: rgba(72, 187, 120, 0.08);
  color: var(--success);
  border: 1px solid rgba(72, 187, 120, 0.18);
}
#forgotPasswordModal .btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #fff;
  border: none;
  font-weight: 600;
  border-radius: var(--radius);
  padding: 0.7em 1.5em;
  font-size: 1rem;
  transition: all 0.2s;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  gap: 0.5em;
}
#forgotPasswordModal .btn-primary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}
#forgotPasswordModal .btn-secondary {
  background: #f7fafc;
  color: var(--muted);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.7em 1.5em;
  font-size: 1rem;
  font-weight: 500;
  transition: all 0.2s;
}
#forgotPasswordModal .btn-secondary:hover {
  background: #e2e8f0;
}
#forgotSendBtnLoading.loading {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid transparent;
  border-top: 2px solid #fff;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

/* 微信登录相关样式 */
.login-method-switch {
  display: flex;
  background: rgba(255,255,255,0.8);
  border-radius: var(--radius);
  padding: 4px;
  margin-bottom: 1.5rem;
  box-shadow: 0 2px 8px rgba(102, 126, 234, 0.1);
  border: 2px solid rgba(102, 126, 234, 0.1);
}

.login-method-form {
  width: 100%;
}


.wechat-login-btn:hover .qr-popup {
  display: block;
}

.qr-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.qr-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  color: var(--muted);
}

.qr-loading i {
  font-size: 2rem;
  color: var(--accent);
}

.qr-loading p {
  font-size: 0.9rem;
  font-weight: 500;
}

.qr-code {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

#qr-image {
  width: 200px;
  height: 200px;
  background: white;

}

#qr-image img {
  max-width: 100%;
  max-height: 100%;
  border-radius: calc(var(--radius) - 2px);
}

.qr-tip {
  color: var(--muted);
  font-size: 0.9rem;
  text-align: center;
  margin: 0;
}

.qr-refresh-btn {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: white;
  border: none;
  padding: 0.6rem 1.2rem;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 500;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  box-shadow: 0 2px 8px rgba(102, 126, 234, 0.3);
}

.qr-refresh-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(102, 126, 234, 0.4);
}

.qr-refresh-btn:active {
  transform: translateY(0);
}

.qr-expired {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  color: var(--warning);
}

.qr-expired i {
  font-size: 2rem;
}

.qr-expired p {
  font-size: 0.9rem;
  font-weight: 500;
  margin: 0;
}

/* 微信登录成功提示 */
.wechat-success {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  color: var(--success);
}

.wechat-success i {
  font-size: 2rem;
}

.wechat-success p {
  font-size: 0.9rem;
  font-weight: 500;
  margin: 0;
}

/* 响应式调整 */
@media (max-width: 480px) {
  .login-method-switch {
    margin-bottom: 1rem;
  }
  
  .method-btn {
    padding: 0.6rem 0.8rem;
    font-size: 0.8rem;
  }
  
  #qr-image {
    width: 180px;
    height: 180px;
  }
  
  .wechat-qr-container {
    padding: 1.5rem 1rem;
  }
  
  .qr-popup {
    width: 260px;
    padding: 1rem;
  }
}