/* 导入设计风格CSS变量 */
@import url("design.css");

/* 基础重置和全局样式 */
* {
  box-sizing: border-box;
}

html, body {
  height: 100%;
  margin: 0;
  padding: 0;
  font-family: var(--font-family);
  background: var(--color-black);
  color: var(--color-white);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* 页面加载动画 */
.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(22, 19, 19, 0.95);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: var(--z-toast);
  backdrop-filter: blur(var(--blur-md));
}

.loading-content {
  text-align: center;
  color: var(--color-white);
}

.loading-spinner {
  width: 50px;
  height: 50px;
  border: 4px solid rgba(128, 90, 245, 0.3);
  border-top: 4px solid var(--color-purple);
  border-radius: var(--radius-full);
  animation: spin 1s linear infinite;
  margin: 0 auto 20px;
}

/* 主容器 */
.auth-container {
  display: flex;
  min-height: 100vh;
}

/* 左侧品牌区域 */
.brand-section {
  flex: 1;
  background: linear-gradient(135deg, rgba(128, 90, 245, 0.9), rgba(227, 77, 0, 0.9));
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-3xl) var(--spacing-2xl);
  position: relative;
  overflow: hidden;
}

.brand-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="75" cy="75" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="50" cy="10" r="0.5" fill="rgba(255,255,255,0.05)"/><circle cx="10" cy="60" r="0.5" fill="rgba(255,255,255,0.05)"/><circle cx="90" cy="40" r="0.5" fill="rgba(255,255,255,0.05)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
  opacity: 0.3;
}

.brand-content {
  text-align: center;
  color: var(--color-white);
  position: relative;
  z-index: 1;
  max-width: 400px;
}

.logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.logo-img {
  width: 80px;
  height: 80px;
  border-radius: var(--radius-full);
  border: 3px solid rgba(255, 255, 255, 0.3);
  box-shadow: var(--shadow-xl);
  transition: all var(--transition-normal);
}

.logo-img:hover {
  transform: scale(1.05);
  box-shadow: var(--shadow-purple-lg);
}

.logo h1 {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  margin: 0;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.brand-subtitle {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-light);
  margin: 0 0 var(--spacing-md) 0;
  opacity: 0.9;
}

.brand-description {
  font-size: var(--font-size-lg);
  margin: 0 0 var(--spacing-2xl) 0;
  opacity: 0.8;
  line-height: 1.6;
}

.features {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.feature-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  font-size: var(--font-size-base);
  opacity: 0.9;
  padding: var(--spacing-sm) var(--spacing-md);
  background: rgba(255, 255, 255, var(--opacity-light));
  border-radius: var(--radius-md);
  backdrop-filter: blur(var(--blur-sm));
  transition: all var(--transition-normal);
}

.feature-item:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateX(5px);
}

.feature-icon {
  font-size: var(--font-size-xl);
  width: 30px;
  text-align: center;
}

/* 右侧表单区域 */
.form-section {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-3xl) var(--spacing-2xl);
  background: rgba(255, 255, 255, var(--opacity-light));
  backdrop-filter: blur(var(--blur-lg));
}

.form-container {
  width: 100%;
  max-width: 400px;
}

/* 表单样式 */
.auth-form {
  display: none;
  animation: fadeInUp 0.5s ease;
}

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

.form-header {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

.form-header h2 {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-white);
  margin: 0 0 var(--spacing-sm) 0;
}

.form-header p {
  color: var(--color-gBlack2);
  font-size: var(--font-size-base);
  margin: 0;
}

/* 表单组 */
.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-group label {
  display: block;
  font-weight: var(--font-weight-medium);
  color: var(--color-white);
  margin-bottom: var(--spacing-sm);
  font-size: var(--font-size-sm);
}

.form-group input {
  width: 100%;
  padding: var(--spacing-md) var(--spacing-lg);
  border: 1px solid rgba(128, 90, 245, var(--opacity-very-strong));
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, var(--opacity-light));
  color: var(--color-white);
  font-size: var(--font-size-base);
  transition: all var(--transition-normal);
  backdrop-filter: blur(var(--blur-sm));
}

.form-group input:focus {
  outline: none;
  border-color: var(--color-purple);
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 0 0 3px rgba(128, 90, 245, 0.1);
  transform: translateY(-2px);
}

.form-group input::placeholder {
  color: var(--color-gBlack2);
}

.form-group input:invalid {
  border-color: #e74c3c;
}

/* 表单选项 */
.form-options {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-xl);
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  cursor: pointer;
  font-size: var(--font-size-sm);
  color: var(--color-gBlack2);
}

.checkbox-label input[type="checkbox"] {
  display: none;
}

.checkmark {
  width: 18px;
  height: 18px;
  border: 2px solid rgba(128, 90, 245, var(--opacity-very-strong));
  border-radius: var(--radius-sm);
  position: relative;
  transition: all var(--transition-normal);
  background: rgba(255, 255, 255, var(--opacity-light));
}

.checkbox-label input[type="checkbox"]:checked + .checkmark {
  background: var(--color-purple);
  border-color: var(--color-purple);
}

.checkbox-label input[type="checkbox"]:checked + .checkmark::after {
  content: '✓';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: var(--color-white);
  font-size: 12px;
  font-weight: var(--font-weight-bold);
}

.forgot-password {
  color: var(--color-purple);
  text-decoration: none;
  font-size: var(--font-size-sm);
  transition: color var(--transition-normal);
}

.forgot-password:hover {
  color: var(--color-orange);
  text-decoration: underline;
}

/* 按钮样式 */
.btn-primary {
  width: 100%;
  padding: var(--spacing-md) var(--spacing-lg);
  background: linear-gradient(135deg, var(--color-purple), var(--color-orange));
  color: var(--color-white);
  border: none;
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-purple);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-purple-lg);
  background: linear-gradient(135deg, var(--color-orange), var(--color-purple));
}

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

.btn-primary:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none;
}

.btn-loading {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top: 2px solid var(--color-white);
  border-radius: var(--radius-full);
  animation: spin 1s linear infinite;
}

/* 表单页脚 */
.form-footer {
  text-align: center;
  margin-top: var(--spacing-xl);
  padding-top: var(--spacing-lg);
  border-top: 1px solid rgba(128, 90, 245, 0.2);
}

.form-footer p {
  color: var(--color-gBlack2);
  font-size: var(--font-size-sm);
  margin: 0;
}

.form-footer a {
  color: var(--color-purple);
  text-decoration: none;
  font-weight: var(--font-weight-medium);
  transition: color var(--transition-normal);
}

.form-footer a:hover {
  color: var(--color-orange);
  text-decoration: underline;
}

/* 消息提示 */
.message-toast {
  position: fixed;
  top: var(--spacing-lg);
  right: var(--spacing-lg);
  z-index: var(--z-toast);
  transform: translateX(400px);
  transition: transform var(--transition-normal);
}

.message-toast.show {
  transform: translateX(0);
}

.toast-content {
  background: rgba(255, 255, 255, var(--opacity-light));
  backdrop-filter: blur(var(--blur-lg));
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  border: 1px solid rgba(128, 90, 245, 0.3);
  border-left: 4px solid var(--color-purple);
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  min-width: 300px;
}

.toast-icon {
  width: 20px;
  height: 20px;
  border-radius: var(--radius-full);
  background: var(--color-purple);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
}

.toast-message {
  color: var(--color-white);
  font-weight: var(--font-weight-medium);
}

/* 响应式设计 */
@media (max-width: 768px) {
  .auth-container {
    flex-direction: column;
  }
  
  .brand-section {
    padding: var(--spacing-2xl) var(--spacing-lg);
    min-height: 40vh;
  }
  
  .logo {
    flex-direction: column;
    gap: var(--spacing-md);
  }
  
  .logo h1 {
    font-size: var(--font-size-xl);
  }
  
  .brand-subtitle {
    font-size: var(--font-size-lg);
  }
  
  .brand-description {
    font-size: var(--font-size-base);
  }
  
  .features {
    flex-direction: row;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
  }
  
  .feature-item {
    font-size: var(--font-size-sm);
    padding: var(--spacing-xs) var(--spacing-sm);
  }
  
  .form-section {
    padding: var(--spacing-2xl) var(--spacing-lg);
  }
  
  .form-container {
    max-width: 100%;
  }
  
  .form-options {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-md);
  }
  
  .message-toast {
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    left: var(--spacing-sm);
  }
  
  .toast-content {
    min-width: auto;
  }
}

@media (max-width: 480px) {
  .brand-section {
    padding: var(--spacing-xl) var(--spacing-md);
  }
  
  .logo h1 {
    font-size: var(--font-size-lg);
  }
  
  .form-section {
    padding: var(--spacing-xl) var(--spacing-md);
  }
  
  .form-header h2 {
    font-size: var(--font-size-xl);
  }
}