/* 全局样式 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* 认证页面样式 */
.auth-container {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
}

.auth-card {
  background: white;
  border-radius: 12px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  padding: 40px;
  width: 100%;
  max-width: 400px;
  animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.auth-header {
  text-align: center;
  margin-bottom: 30px;
}

.auth-header h1 {
  color: #333;
  font-size: 28px;
  margin-bottom: 10px;
}

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

.auth-form {
  display: flex;
  flex-direction: column;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  color: #333;
  font-weight: 500;
  font-size: 14px;
}

.form-group input {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid #ddd;
  border-radius: 6px;
  font-size: 14px;
  transition: all 0.3s;
}

.form-group input:focus {
  outline: none;
  border-color: #667eea;
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-group input::placeholder {
  color: #999;
}

.error-message {
  color: #e74c3c;
  font-size: 14px;
  margin-bottom: 16px;
  padding: 10px 12px;
  background-color: #fadbd8;
  border-radius: 6px;
  display: none;
}

.error-message:not(:empty) {
  display: block;
}

.success-message {
  margin-bottom: 16px;
  display: none;
}

.success-message:not(:empty) {
  display: block;
  animation: slideIn 0.3s ease-out;
}

/* 按钮样式 */
.btn {
  padding: 12px 24px;
  border: none;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s;
  text-decoration: none;
  display: inline-block;
  text-align: center;
}

.btn-primary {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  width: 100%;
  margin-bottom: 20px;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(102, 126, 234, 0.3);
}

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

.btn-secondary {
  background-color: #f0f0f0;
  color: #333;
}

.btn-secondary:hover {
  background-color: #e0e0e0;
}

.auth-footer {
  text-align: center;
}

.auth-footer p {
  color: #666;
  font-size: 14px;
}

.auth-footer a {
  color: #667eea;
  text-decoration: none;
  font-weight: 600;
  transition: color 0.3s;
}

.auth-footer a:hover {
  color: #764ba2;
}

/* 导航栏样式 */
.navbar {
  background: white;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  padding: 16px 0;
  margin-bottom: 30px;
}

.navbar-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.navbar-title {
  color: #333;
  font-size: 24px;
  font-weight: 700;
}

.navbar-right {
  display: flex;
  align-items: center;
  gap: 20px;
}

.user-email {
  color: #666;
  font-size: 14px;
}

/* 业务页面样式 */
.dashboard-container {
  background: white;
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  padding: 40px;
  margin-bottom: 30px;
}

.dashboard-header {
  margin-bottom: 30px;
  padding-bottom: 20px;
  border-bottom: 1px solid #eee;
}

.dashboard-header h2 {
  color: #333;
  font-size: 28px;
  margin-bottom: 10px;
}

.dashboard-header p {
  color: #666;
  font-size: 14px;
}

.dashboard-content {
  min-height: 400px;
}

.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: #999;
}

.empty-state h3 {
  color: #333;
  font-size: 24px;
  margin-bottom: 10px;
}

.empty-state p {
  color: #999;
  font-size: 14px;
}

/* 错误页面样式 */
.error-container {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  text-align: center;
  color: white;
}

.error-container h1 {
  font-size: 48px;
  margin-bottom: 20px;
}

.error-container p {
  font-size: 18px;
  margin-bottom: 30px;
}

.error-container .btn {
  margin-top: 20px;
}

/* 响应式设计 */
@media (max-width: 768px) {
  .auth-card {
    padding: 30px 20px;
  }

  .navbar-content {
    flex-direction: column;
    gap: 15px;
  }

  .navbar-right {
    flex-direction: column;
    width: 100%;
    gap: 10px;
  }

  .btn-secondary {
    width: 100%;
  }

  .dashboard-container {
    padding: 20px;
  }

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

  .auth-header h1 {
    font-size: 24px;
  }
}