/* Fonts */
@font-face {
  font-family: NotoSans;
  src: url(../assets/fonts/NotoSans-VariableFont_wdth\,wght.ttf) format('woff2');
}

* {
  font-family: 'NotoSans', sans-serif;
  margin: 0;
}

/* Variables */
:root {
  --bg-gradient: linear-gradient(180deg, #040918 0%, #091540 100%);
  --font-color-1: hsl(200, 60%, 99%);  
  --font-color-2: hsl(227, 75%, 14%);
  --div-color: hsl(226, 25%, 17%);
  --button-color: hsl(225, 23%, 24%);
  --border-color: hsl(226, 11%, 37%);
  --active-color: hsl(226, 8%, 48%);
  --red-color: hsl(3, 86%, 64%);
}

.light-mode {
  --bg-gradient: linear-gradient(180deg, #EBF2FC 0%, #EEF8F9 100%);
  --font-color-1: hsl(227, 75%, 14%);
  --font-color-2: hsl(200, 60%, 99%);  
  --div-color: hsl(200, 60%, 99%);
  --button-color: hsl(0, 0%, 93%);
  --border-color: hsl(0, 0%, 78%);
  --active-color: hsl(0, 0%, 66%);
  --red-color: hsl(3, 77%, 44%);
}

/* General HTML */
body {
  background: var(--bg-gradient);
  min-height: 100vh;
  padding: 2em 10%;
}
body, button {
  color: var(--font-color-1);
}
button {
  background-color: var(--button-color);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 0.5em 1em;
  cursor: pointer;
}
button:not(.selected):hover {
  background-color: var(--border-color);
}
button:not(.selected):active {
  background-color: var(--active-color);
}

/* Header */
header {
  background-color: var(--div-color);
  padding: 0.75em;
  border-radius: 1em;
  height: 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 3em;
  filter: drop-shadow(0 0 2px rgba(0, 0, 0, 0.2));
}
.logo {
  height: 100%;
}
.theme-button {
  border: none;
  border-radius: 10px;
  height: 100%;
  aspect-ratio: 1 / 1;
  display: flex;
  align-items: center;
  justify-content: center;
}
.theme-icon {
  height: 1.4em;
}

/* Main-heading */
.main-heading {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.main-heading h1 {
  font-size: 1.6rem;
}
.filter-button {
  font-size: 1rem;
  font-weight: 500;
  margin-left: 0.3em;
}
.selected {
  background-color: var(--red-color);
  color: var(--font-color-2);
  border: none;
  cursor: auto;
}

/* Grid */
.extension-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.6rem;
  margin-top: 1.5em;
}
.extension-div {
  background-color: var(--div-color);
  border: 1px solid var(--border-color);
  border-radius: 1em;
  padding: 0.8em;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  row-gap: 2.5em;
}
.extension-div h2 {font-size: 1.125rem;}
.extension-div p {font-size: 0.875rem;}

.extension-top {
  display: flex;
  gap: 1em;
}
.extension-top img {
  height: 50px;
}
.extension-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* Toggle */
.activation-toggle {
  appearance: none;
  background-color: var(--border-color);
  width: 45px;
  height: 24px;
  border-radius: 13px;
  position: relative;
  transition: background-color 0.3s;
  cursor: pointer;
}
.activation-toggle::after {
  content: '';
  background-color: hsl(200, 60%, 99%);
  border-radius: 50%;
  height: 80%;
  aspect-ratio: 1 / 1;
  position: absolute;
  top: 50%;
  left: 26%;
  transform: translate(-50%, -50%);
  transition: left 0.3s;
}
.activation-toggle:checked {
  background-color: var(--red-color);
}
.activation-toggle:checked::after {
  left: 74%;
}

/* Responsive */
@media screen and (max-width: 960px) {
  .extension-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media screen and (max-width: 600px) {
  header {
    margin-bottom: 2em;
  }

  .main-heading {
    flex-direction: column;
    row-gap: 1em;
  }
  .main-heading h1 {
    font-size: 2rem;
  }

  .extension-grid {
    grid-template-columns: 1fr;
  }
}