/* ============================================================
   TextToolKit v2 — Base Reset + Global
   ============================================================ */

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

html {
  -webkit-text-size-adjust: 100%;
  -moz-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
  color-scheme: dark;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-body);
  font-weight: var(--fw-book);
  line-height: var(--leading-relaxed);
  letter-spacing: var(--tracking-normal);
  color: var(--text-primary);
  background: var(--bg-default);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
}

a {
  color: var(--link-blue);
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-out);
}
a:hover { color: var(--link-blue-hover); }

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

ul, ol { list-style: none; }

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: var(--fw-semibold);
  line-height: var(--leading-snug);
  letter-spacing: var(--tracking-tight);
  color: var(--text-primary);
}

h1 { font-size: var(--text-h1); }
h2 { font-size: var(--text-h2); }
h3 { font-size: var(--text-h3); }
h4 { font-size: var(--text-h4); }

p, li, dt, dd {
  font-size: var(--text-body);
  line-height: var(--leading-relaxed);
  color: var(--text-secondary);
}

code, kbd, samp, pre {
  font-family: var(--font-mono);
}

/* Selection */
::selection {
  background: var(--brand-blue-soft);
  color: var(--text-primary);
}

/* Focus */
:focus-visible {
  outline: 2px solid var(--brand-blue);
  outline-offset: 2px;
}

/* Scrollbar (dark mode) */
::-webkit-scrollbar           { width: 8px; }
::-webkit-scrollbar-track     { background: transparent; }
::-webkit-scrollbar-thumb     { background: var(--border-strong); border-radius: var(--radius-full); }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}