/* 
 * CSS Reset and Base Styles
 * Modern reset with sensible defaults
 */

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

/* ===== Document ===== */
html {
  line-height: 1.15;
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  margin: 0;
  padding: 0;
  background: var(--background);
  color: var(--text-primary);
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.5;
  overflow: hidden;
  image-rendering: pixelated;
}

/* ===== Typography Reset ===== */
h1, h2, h3, h4, h5, h6 {
  margin: 0;
  padding: 0;
  font-weight: normal;
  font-size: inherit;
}

p {
  margin: 0;
}

/* ===== Interactive Elements ===== */
button {
  background: none;
  border: none;
  padding: 0;
  margin: 0;
  font: inherit;
  color: inherit;
  cursor: pointer;
  outline: none;
}

input,
textarea,
select {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
  outline: none;
}

/* ===== Links ===== */
a {
  color: var(--primary-400);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--primary-300);
}

/* ===== Lists ===== */
ul, ol {
  list-style: none;
}

/* ===== Media ===== */
img,
video {
  max-width: 100%;
  height: auto;
  display: block;
}

/* ===== Scrollbars ===== */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--surface);
  border-radius: var(--radius-sm);
}

::-webkit-scrollbar-thumb {
  background: var(--border-strong);
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--gray-400);
}

/* ===== Selection ===== */
::selection {
  background: var(--primary-500);
  color: var(--text-primary);
}

/* ===== Focus ===== */
:focus-visible {
  outline: 2px solid var(--primary-400);
  outline-offset: 2px;
}

/* ===== Utility Classes ===== */
.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;
}

.no-select {
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}

.pointer-events-none {
  pointer-events: none;
}

.pointer-events-auto {
  pointer-events: auto;
}