/* base.css — mandatory base stylesheet */

/* Box model reset */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* Prevent font-size inflation on mobile */
html {
  -moz-text-size-adjust: none;
  -webkit-text-size-adjust: none;
  text-size-adjust: none;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  hanging-punctuation: first last;
}

/* Core body defaults */
body {
  min-height: 100dvh;
  line-height: 1.6;
  font-family: var(--font-body, sans-serif);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: var(--color-bg);
}

/* Improved media defaults */
img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
  height: auto;
}

/* Remove list styles on ul, ol with role="list" */
ul[role="list"], ol[role="list"] {
  list-style: none;
}

/* Consistent form elements */
input, button, textarea, select {
  font: inherit;
  color: inherit;
}

/* Text wrap improvements */
h1, h2, h3, h4, h5, h6 {
  text-wrap: balance;
  line-height: 1.15;
}

p, li, figcaption {
  text-wrap: pretty;
  max-width: 72ch;
}

/* Smooth anchor scrolling with offset for sticky headers */
html {
  scroll-padding-top: 6rem;
}

/* Selection styling */
::selection {
  background: oklch(from var(--color-primary) l c h / 0.25);
  color: var(--color-text);
}

/* Focus ring — visible, accessible, attractive */
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* Reduced motion: disable non-essential animation */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Remove default button styles */
button {
  cursor: pointer;
  background: none;
  border: none;
}

/* Table defaults */
table {
  border-collapse: collapse;
  width: 100%;
}

/* Accessible hidden — 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-width: 0;
}