/* Global styles */

/* Font definitions - Using Atkinson Hyperlegible */
@font-face {
  font-family: "Atkinson";
  src: url("https://fonts.gstatic.com/s/atkinsonhyperlegible/v11/9Bt43C1KxNDXMspQ1lPyU89-1h6ONRlW45GE5Q.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Atkinson";
  src: url("https://fonts.gstatic.com/s/atkinsonhyperlegible/v11/9Bt73C1KxNDXMspQ1lPyU89-1h6ONRlW45G04pIo.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

:root {
  --background: #fdfdfd;
  --foreground: #282728;
  --accent: #006cac;
  --muted: #e6e6e6;
  --border: #ece9e9;
  --topbar-height: 3rem;
  --content-max-width: 920px;
  --light-gray: #6b7280;
  --box-shadow: 0 0 8px 0 rgba(0, 0, 0, 0.1);
  view-transition-name: root;
}

html[data-theme="dark"] {
  --background: #0f0f0f;
  --foreground: #eaedf3;
  --accent: #ff6b01;
  --muted: #343f60bf;
  --border: #2d2d2d;
  --light-gray: #9ca3af;
}

/* Base styles */
*,
*::before,
*::after {
  box-sizing: border-box;
  border-color: var(--border);
}

html {
  overflow-y: scroll;
  scroll-behavior: smooth;
}

body {
  font-family: "Atkinson", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
  color: var(--foreground);
  background-color: var(--background);
  margin: 0;
  padding: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
}

/* Page fade-in animation */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

main {
  animation: fadeIn 0.3s ease-out;
}

/* View Transitions API for smooth theme switching */
::view-transition-old(root),
::view-transition-new(root) {
  animation-duration: 0.25s;
}

/* Selection styling */
::selection {
  background-color: color-mix(in srgb, var(--accent) 75%, transparent);
  color: var(--background);
}

/* Links */
a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.15s ease, background-color 0.15s ease;
}

a:hover {
  text-decoration: underline;
  text-decoration-color: color-mix(in srgb, var(--accent) 50%, transparent);
  text-underline-offset: 3px;
}

/* Focus styles */
a:focus-visible,
button:focus-visible {
  outline: 2px dashed var(--accent);
  outline-offset: 2px;
}

/* Headings use mono font for techy feel */
h1, h2, h3, h4, h5, h6 {
  font-family: "JetBrains Mono", "IBM Plex Mono", monospace;
  font-weight: 700;
  color: var(--foreground);
  margin-top: 0;
  line-height: 1.1;
}

/* Code styling */
code, pre {
  font-family: "JetBrains Mono", "IBM Plex Mono", SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

code {
  font-size: 0.9em;
  color: var(--accent);
  padding: 0.2em 0.4em;
  background-color: var(--muted);
  border-radius: 0.25rem;
}

pre {
  background-color: var(--muted);
  padding: 1rem;
  border-radius: 0.5rem;
  overflow-x: auto;
  margin: 1.5rem 0;
  border: 1px solid var(--border);
}

pre code {
  color: var(--foreground);
  padding: 0;
  background-color: transparent;
  font-size: 0.875rem;
  line-height: 1.6;
}

/* Images */
img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Button reset */
button {
  cursor: pointer;
  background: none;
  border: none;
  padding: 0;
  font: inherit;
  color: inherit;
}

button:disabled {
  cursor: default;
}