/* DSDAO Style - Black/White, ND-Friendly, Accessible */
/* Minimal, clean design with thin white lines, no animations */

:root {
  --bg-black: #000000;
  --text-white: #ffffff;
  --border-white: #ffffff;
  --hover-bg: #1a1a1a;
  --focus-outline: #ffffff;
}

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

body {
  font-family: 'Courier New', monospace;
  background-color: var(--bg-black);
  color: var(--text-white);
  line-height: 1.6;
  padding: 20px;
  max-width: 1400px;
  margin: 0 auto;
}

/* No animations - ND-friendly */
* {
  animation: none !important;
  transition: none !important;
}

/* Navigation */
nav {
  border: 1px solid var(--border-white);
  padding: 15px;
  margin-bottom: 30px;
}

nav ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}

nav a {
  color: var(--text-white);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

nav a:hover,
nav a:focus {
  background-color: var(--hover-bg);
  outline: 1px solid var(--focus-outline);
  outline-offset: 2px;
}

/* Headings */
h1 {
  font-size: 2em;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--border-white);
  padding-bottom: 10px;
}

h2 {
  font-size: 1.5em;
  margin-bottom: 15px;
}

h3 {
  font-size: 1.2em;
  margin-bottom: 10px;
}

/* Links */
a {
  color: var(--text-white);
  text-decoration: underline;
}

a:hover,
a:focus {
  background-color: var(--hover-bg);
  outline: 1px solid var(--focus-outline);
  outline-offset: 2px;
}

/* Buttons */
button {
  background-color: var(--bg-black);
  color: var(--text-white);
  border: 1px solid var(--border-white);
  padding: 8px 16px;
  font-family: 'Courier New', monospace;
  font-size: 1em;
  cursor: pointer;
}

button:hover,
button:focus {
  background-color: var(--hover-bg);
  outline: 2px solid var(--focus-outline);
  outline-offset: 2px;
}

button:active {
  background-color: var(--text-white);
  color: var(--bg-black);
}

/* Input fields */
input[type="text"],
input[type="search"] {
  background-color: var(--bg-black);
  color: var(--text-white);
  border: 1px solid var(--border-white);
  padding: 8px 12px;
  font-family: 'Courier New', monospace;
  font-size: 1em;
  width: 100%;
  max-width: 400px;
}

input[type="text"]:focus,
input[type="search"]:focus {
  outline: 2px solid var(--focus-outline);
  outline-offset: 2px;
}

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

/* Screen reader only content */
.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;
}

/* Main content */
main {
  padding: 20px 0;
}

/* Footer */
footer {
  margin-top: 50px;
  padding-top: 20px;
  border-top: 1px solid var(--border-white);
  text-align: center;
}