/* RESETS */
html, body { height: 100%; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
}
* { box-sizing: border-box; color: inherit; }

/* LAYOUT BASICS */
.pad-16 { padding: 1rem; }

/* SIDEBAR LAYOUT */
.sidebar {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  background: #435;
  color: white;
  padding: 2rem;
  width: 280px;
  justify-content: space-between;
}


/* HEADER LAYOUT */
header { padding: 1.5rem; border-bottom: solid 1px #eee; font-size: 2rem; font-weight: bold }

/* SIGN IN PAGE */
.page--sign-in {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  height: 100%;
}

/* BUTTONS */
.btn { background: #435; padding: 0.7rem 1.2rem; color: white; border-radius: 0.25rem; }
.btn:hover { opacity: 0.75; }

/* TABS */
.tabs {
  display: flex;
  border-bottom: solid 1px #eee;
}
.tab {
  padding: 1rem 1.25rem;
  padding-bottom: 0.5rem;
}
.tab {
  color: #555;
  text-decoration: none;
  border-bottom: solid 3px transparent;
}
.tab:hover:not(.tab--active) {
  border-bottom-color: rgba(30, 143, 255, 0.25);
}
.tab--active {
  border-bottom-color: dodgerblue;
}