@font-face {
  font-family: "Roboto";
  src: local("Roboto"), 
    url("../fonts/Roboto-Regular.woff2") format("woff2"),
    url("../fonts/Roboto-Regular.woff") format("woff");
  font-weight: 400;
  font-style: normal;
}

@font-face {
  font-family: "Roboto";
  src: 
    local("Roboto"),
    url("../fonts/Roboto-Medium.woff2") format("woff2"),
    url("../fonts/Roboto-Medium.woff") format("woff");
  font-weight: 500;
  font-style: normal;
}

@font-face {
  font-family: "Roboto";
  src: local("Roboto"), url("../fonts/Roboto-Bold.woff2") format("woff2"),
    url("../fonts/Roboto-Bold.woff") format("woff");
  font-weight: 700;
  font-style: normal;
}

:root {
  --text-color: var(--tg-theme-text-color, black);
  --background-color: var(--tg-theme-bg-color, white);
  --hint-color: var(--tg-theme-hint-color, #A69999);
  --link-color: var(--tg-theme-link-color, #168ACD);
  --button-text-color: var(--tg-theme-button-text-color, white);
  --button-background-color: var(--tg-theme-link-color, #40A7E3);
  --catalog-background-color: var(--tg-theme-secondary-bg-color, #eee); 
  --box-shadow: 0px 0px 3px 0px rgba(0, 0, 0, 0.5)
}

a {
  color: inherit;
  text-decoration: none;
}

.page-body {
  margin: 0;
  padding: 0;

  font-family: "Roboto", "Arial", sans-serif;
  font-weight: 400;

  color: var(--text-color);
  background-color: var(--catalog-background-color);
}



.header-button {
  flex-shrink: 0;
  height: 2em;
  border: none;
  border-radius: 1em;
  background-color: var(--button-background-color);
  color: var(--button-text-color);
  fill: var(--button-text-color);
  margin: 0 10px;
  padding: 0 0.75em;
  opacity: 0.9; 
  display: flex;
  align-items: center;
  justify-content: center;
  user-select: none;  
}

.header-button:active {
  opacity: 1;
}

.header-title {
  font-size: 1em;
  margin: auto;
  padding: 0;
  font-weight: 400;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.product-card {
  margin: 10px;
  padding: 10px;
  background-color: var(--background-color);
  border-radius: 10px;
  box-shadow: var(--box-shadow);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.product-card-image {
  background-color: white;
  border-radius: 5px;
  max-width: 20em;
  margin: 0 0 1em;
}

.product-card-title {
  font-weight: 700;
  font-size: 1.2em;
  padding: 0;
  margin: 0 0 1em;
  text-align: center;
}

.product-card-description {
  white-space: pre-line;
  margin: 0;
}

.product-card-price {
  font-weight: 700;
  font-size: 1.2em;
  margin: 0 0 1rem;
}



.loader-wrapper {
  height: 10em;
  display: flex;
  justify-content: center;
  align-items: center;
}

.loader {
  border: 0.5em solid var(--catalog-background-color);
  border-top: 0.5em solid var(--button-background-color);
  border-radius: 50%;
  width: 2em;
  height: 2em;
  animation: spin 2s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}