*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

html {
  overflow-y: scroll;
  scrollbar-gutter: stable;
}

body {
  font-family: var(--font-sans);
  font-size: var(--font-size-md);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.45;
  -webkit-text-size-adjust: 100%;
}

h1,
h2,
h3,
h4 {
  margin: 0;
  font-weight: 600;
  line-height: 1.25;
}

p {
  margin: 0 0 var(--space-3);
}

a {
  color: var(--color-primary);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

img {
  max-width: 100%;
}

/* Layout */

.layout {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.layout--sidebar {
  display: grid;
  grid-template-columns: var(--sidebar-width) 1fr;
  min-height: 100vh;
}

.layout__sidebar {
  background: var(--color-surface);
  border-right: 1px solid var(--color-border);
  padding: var(--space-4);
}

.layout__main {
  padding: var(--space-5);
  max-width: 1200px;
  width: 100%;
}

.layout__content {
  flex: 1;
  padding: var(--space-5);
  max-width: 1000px;
  width: 100%;
  margin: 0 auto;
}

.container {
  max-width: 1000px;
  margin: 0 auto;
  padding: var(--space-5) var(--space-4);
}

.stack {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.grid {
  display: grid;
  gap: var(--space-4);
}

.grid--2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid--3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid--4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.row {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.row--wrap {
  flex-wrap: wrap;
}

.row--between {
  justify-content: space-between;
}

.spacer {
  flex: 1;
}

.text-muted {
  color: var(--color-text-muted);
}

.text-sm {
  font-size: var(--font-size-sm);
}

@media (max-width: 900px) {
  .layout--sidebar {
    grid-template-columns: 1fr;
  }

  .grid--2,
  .grid--3,
  .grid--4 {
    grid-template-columns: 1fr;
  }
}