/* ============================================================
   BetaReads — Base Styles & Reset
   ============================================================ */

/* ── Reset ─────────────────────────────────────────────────── */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  font-size: 100%;
}

body {
  font: var(--text-body-large);
  color: var(--md-on-surface);
  background-color: var(--md-surface);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
  overflow-x: hidden;
  transition: background-color var(--motion-duration-medium) var(--motion-easing-standard),
              color var(--motion-duration-medium) var(--motion-easing-standard);
}

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

input, button, textarea, select {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  border: none;
  background: none;
}

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

a:hover {
  text-decoration: underline;
}

ul, ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  overflow-wrap: break-word;
}

p {
  overflow-wrap: break-word;
}

/* ── Scrollbar Styling ─────────────────────────────────────── */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--md-surface-container);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb {
  background: var(--md-outline-variant);
  border-radius: var(--radius-full);
  border: 2px solid var(--md-surface-container);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--md-outline);
}

/* Firefox */
* {
  scrollbar-width: thin;
  scrollbar-color: var(--md-outline-variant) var(--md-surface-container);
}

/* ── Focus Ring (Accessibility) ────────────────────────────── */
:focus-visible {
  outline: 3px solid var(--md-primary);
  outline-offset: 2px;
  border-radius: var(--radius-xs);
}

/* ── Selection ─────────────────────────────────────────────── */
::selection {
  background: var(--md-primary-container);
  color: var(--md-on-primary-container);
}

/* ── App Shell ─────────────────────────────────────────────── */
#app {
  min-height: 100vh;
  position: relative;
}

.view {
  display: none;
  min-height: 100vh;
  animation: viewFadeIn var(--motion-duration-medium) var(--motion-easing-decelerate);
}

.view.active {
  display: block;
}

@keyframes viewFadeIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ── Utility Classes ───────────────────────────────────────── */

/* Screen reader only */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Display */
.hidden { display: none !important; }
.block { display: block; }
.inline-block { display: inline-block; }
.flex { display: flex; }
.inline-flex { display: inline-flex; }
.grid { display: grid; }

/* Flex utilities */
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-end { justify-content: flex-end; }
.gap-xs { gap: var(--space-xs); }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }
.gap-xl { gap: var(--space-xl); }

/* Text */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.text-muted { color: var(--md-on-surface-variant); }
.text-primary { color: var(--md-primary); }
.text-error { color: var(--md-error); }
.text-success { color: var(--md-success); }
.text-ellipsis {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.font-display-large { font: var(--text-display-large); }
.font-display-medium { font: var(--text-display-medium); }
.font-headline-large { font: var(--text-headline-large); }
.font-headline-medium { font: var(--text-headline-medium); }
.font-headline-small { font: var(--text-headline-small); }
.font-title-large { font: var(--text-title-large); }
.font-title-medium { font: var(--text-title-medium); }
.font-body-large { font: var(--text-body-large); }
.font-body-medium { font: var(--text-body-medium); }
.font-body-small { font: var(--text-body-small); }
.font-label-large { font: var(--text-label-large); }
.font-label-medium { font: var(--text-label-medium); }
.font-label-small { font: var(--text-label-small); }

/* Spacing */
.p-sm { padding: var(--space-sm); }
.p-md { padding: var(--space-md); }
.p-lg { padding: var(--space-lg); }
.p-xl { padding: var(--space-xl); }
.m-auto { margin: auto; }

/* Width */
.w-full { width: 100%; }
.max-w-sm { max-width: 480px; }
.max-w-md { max-width: 640px; }
.max-w-lg { max-width: 960px; }
.max-w-xl { max-width: 1200px; }

/* Position */
.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }
.sticky { position: sticky; }

/* Overflow */
.overflow-hidden { overflow: hidden; }
.overflow-auto { overflow: auto; }
.overflow-y-auto { overflow-y: auto; }

/* ── Container ─────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.container-narrow {
  width: 100%;
  max-width: 560px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}