*,
::after,
::before {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
:root {
  --bg-0: #000;
  --bg-1: #fff;
  --bg-2: #eee;
  --text-0: #fff;
  --text-1: #000;
  --ff:
    system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen,
    Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg-0: #eee;
    --bg-1: #000000;
    --bg-2: #242424;
    --text-0: #000000;
    --text-1: #eee;
  }
}

body {
  font-family: var(--ff);
  color: var(--text-1);
}

.gdoop-logo-icon {
  fill: var(--bg-0);
}

/* header */
header {
  background: var(--bg-1);
  top: 0;
  position: sticky;
  position: -webkit-sticky;
}
header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem;
}
header .container .left .logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
}
header .container .left .logo svg {
  width: 36px;
  border-radius: 50%;
  fill: var(--bg-0);
}
header .container .left .logo h4 {
  font-size: 1.5em;
  color: var(--text-1);
}
header .container .right {
  display: flex;
  align-items: center;
  gap: 0.3rem;
}
header .container .right .add-icon,
header .container .right .apps-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  cursor: pointer;
  color: var(--text-1);
}
header .container .right .apps-icon {
  margin-right: 0.5rem;
}
header .container .right .add-icon:hover,
header .container .right .apps-icon:hover {
  background: var(--bg-2);
}
header .container .right .add-icon svg,
header .container .right .apps-icon svg {
  display: block;
}
header .signin-btn {
  text-decoration: none;
  background: var(--bg-0);
  color: var(--text-0);
  padding: 0.5rem 1rem;
  border-radius: 50px;
  font-weight: 500;
  font-size: 14px;
}

/* footer */
footer .container {
  padding: 2rem 1rem;
  color: #808080;
  text-align: center;
  font-size: 13px;
  max-width: 800px;
  margin: 1rem auto;
}
footer .container a {
  text-decoration: none;
  color: #808080;
  margin-right: 0.3rem;
}