/**
 * Optimal Nexus Base Styles
 *
 * Core styling for the theme using design tokens.
 */

/* Global Styles */
* {
  box-sizing: border-box;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  margin: 0;
  padding: 0;
  background-color: var(--onx-bg);
  color: var(--onx-text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.6;
}

/* Container */
.container {
  max-width: var(--onx-max);
  margin: 0 auto;
  padding: var(--onx-spacing);
}

/* Typography Reset */
h1, h2, h3, h4, h5, h6 {
  margin: 0 0 1rem 0;
  line-height: 1.2;
  font-weight: 600;
  color: var(--onx-text);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
  margin: 0 0 1rem 0;
}

/* Links */
a {
  color: var(--onx-accent);
  text-decoration: none;
  transition: opacity 0.2s ease;
}

a:hover,
a:focus {
  opacity: 0.8;
}

/* Buttons */
button,
.button,
input[type="submit"],
input[type="button"] {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  background-color: var(--onx-accent);
  color: var(--onx-text);
  border: none;
  border-radius: var(--onx-radius);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.2s ease;
}

button:hover,
.button:hover,
input[type="submit"]:hover,
input[type="button"]:hover {
  opacity: 0.8;
}

/* Forms */
input[type="text"],
input[type="email"],
input[type="password"],
input[type="search"],
textarea,
select {
  width: 100%;
  padding: 0.75rem;
  background-color: var(--onx-line);
  color: var(--onx-text);
  border: 1px solid var(--onx-muted);
  border-radius: var(--onx-radius);
  font-size: 1rem;
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--onx-accent);
}

/* Lists */
ul, ol {
  margin: 0 0 1rem 0;
  padding-left: 1.5rem;
}

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

/* Utility Classes */
.text-center {
  text-align: center;
}

.text-muted {
  color: var(--onx-muted);
}

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--onx-spacing); }
.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--onx-spacing); }

/* WordPress Core Alignment */
.alignleft {
  float: left;
  margin-right: 1.5rem;
}

.alignright {
  float: right;
  margin-left: 1.5rem;
}

.aligncenter {
  display: block;
  margin-left: auto;
  margin-right: auto;
}

/* Screen Reader Text */
.screen-reader-text {
  clip: rect(1px, 1px, 1px, 1px);
  position: absolute !important;
  height: 1px;
  width: 1px;
  overflow: hidden;
  word-wrap: normal !important;
}

.screen-reader-text:focus {
  background-color: var(--onx-bg);
  border-radius: var(--onx-radius);
  clip: auto !important;
  color: var(--onx-text);
  display: block;
  font-size: 1rem;
  height: auto;
  left: 5px;
  line-height: normal;
  padding: 15px 23px 14px;
  text-decoration: none;
  top: 5px;
  width: auto;
  z-index: 100000;
}