/**
 * DH Suite — Base Element Styles
 *
 * Applies design-token-based styling to bare HTML elements.
 * Loaded AFTER reset.css and design-tokens.css.
 *
 * Consolidates identical base styles from:
 *   - reach/static/css/main.css
 *   - respond/static/css/main.css
 *   - rally/static/css/main.css
 */

@layer base {

/* --- Document ----------------------------------------------------------- */

body {
    font-family: var(--font-family-sans);
    font-size: var(--font-size-base);
    line-height: 1.5;
    color: var(--color-gray-900);
    background-color: var(--color-gray-50);
}

/* --- Headings ----------------------------------------------------------- */

h1,
h2,
h3,
h4,
h5,
h6 {
    margin: 0 0 var(--spacing-4);
    font-weight: 600;
    line-height: 1.25;
    color: var(--color-gray-900);
}

h1 { font-size: var(--font-size-3xl); }
h2 { font-size: var(--font-size-2xl); }
h3 { font-size: var(--font-size-xl); }
h4 { font-size: var(--font-size-lg); }
h5 { font-size: var(--font-size-base); }
h6 { font-size: var(--font-size-sm); }

/* --- Paragraphs --------------------------------------------------------- */

p {
    margin: 0 0 var(--spacing-4);
}

/* --- Links -------------------------------------------------------------- */

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    text-decoration: underline;
}

/* --- Lists -------------------------------------------------------------- */

ul,
ol {
    margin: 0 0 var(--spacing-4);
    padding-left: var(--spacing-6);
}

ul { list-style: disc; }
ol { list-style: decimal; }

/* Nested lists should not add bottom margin */
li > ul,
li > ol {
    margin-bottom: 0;
}

/* --- Horizontal Rule ---------------------------------------------------- */

hr {
    margin: var(--spacing-6) 0;
    border-color: var(--color-gray-200);
}

/* --- Blockquote --------------------------------------------------------- */

blockquote {
    margin: 0 0 var(--spacing-4);
    padding: var(--spacing-3) var(--spacing-4);
    border-left: 4px solid var(--color-gray-300);
    color: var(--color-gray-600);
}

/* --- Code --------------------------------------------------------------- */

code {
    font-family: var(--font-family-mono);
    font-size: var(--font-size-sm);
    padding: var(--spacing-1) var(--spacing-2);
    background-color: var(--color-gray-100);
    border-radius: var(--radius-sm);
    color: var(--color-gray-800);
}

pre {
    margin: 0 0 var(--spacing-4);
    padding: var(--spacing-4);
    background-color: var(--color-gray-100);
    border-radius: var(--radius-md);
    overflow-x: auto;
}

pre code {
    padding: 0;
    background-color: transparent;
    border-radius: 0;
}

/* --- Tables ------------------------------------------------------------- */

th {
    text-align: left;
    font-weight: 600;
}

/* --- Selection ---------------------------------------------------------- */

::selection {
    background-color: var(--color-primary);
    color: white;
}

} /* end @layer base */