*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  touch-action: manipulation;
}

body {
  font-family: var(--font);
  background: var(--bg-grouped);
  color: var(--text-primary);
  min-height: 100vh;
  min-height: 100dvh;
  overscroll-behavior: none;
  -webkit-font-smoothing: antialiased;
}

button, input, textarea, select {
  font-family: inherit;
  font-size: inherit;
  border: none;
  background: none;
  outline: none;
  -webkit-appearance: none;
  appearance: none;
}

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

img, svg {
  display: block;
  max-width: 100%;
}

ul, ol {
  list-style: none;
}

table {
  border-collapse: collapse;
  width: 100%;
}

#sidebar { display: none; }

/* ── Desktop layout ────────────────────────────────────────────── */
@media (min-width: 900px) {
  body:not(.is-locked) #shell {
    display: grid;
    grid-template-columns: var(--sidebar-width) 1fr;
    min-height: 100dvh;
  }

  body:not(.is-locked) #sidebar {
    display: flex;
    flex-direction: column;
    background: var(--bg-primary);
    border-right: 1px solid var(--separator);
    position: sticky;
    top: 0;
    height: 100dvh;
    overflow-y: auto;
  }

  body:not(.is-locked) #app {
    height: 100dvh;
    overflow-y: auto;
  }

  body:not(.is-locked) #toast-container {
    left: calc(var(--sidebar-width) + (100vw - var(--sidebar-width)) / 2);
  }
}