/* DPP Keystone Branding Stylesheet */

:root {
    --keystone-blue: #0d6efd;   /* A vibrant blue, close to the logo's keystone */
    --keystone-yellow: #ffc107; /* A bright yellow, for the key */
    --text-dark: #343a40;      /* A dark gray for primary text */
    --text-light: #6c757d;     /* A lighter gray for secondary text */
    --background-light: #e9ecef;/* A very light gray for the page background */
    --background-blue: #e7f1ff; /* A very light blue for the page background */
    --border-color: #dee2e6;     /* A light gray for borders */
    --white: #ffffff;
}

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

/* Add a container to center the content */
.container {
    max-width: 1280px;
    margin: 40px auto;
    padding: 20px;
    background-color: var(--background-light);
    border: 1px solid var(--border-color);
    border-radius: 8px;
}

header {
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 20px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 20px;
}

h1, h2, h3, h4 {
    color: var(--text-dark);
}

h1 {
    font-size: 2.5em;
    margin-bottom: 0.2em;
}

a {
    color: var(--keystone-blue);
    text-decoration: none;
}

a:hover {
    color: var(--text-dark);
    text-decoration: underline;
}

code {
    background-color: #e9ecef;
    padding: 0.2em 0.4em;
    border-radius: 3px;
    font-family: monospace;
}

ul {
    list-style-type: disc;
    margin-left: 20px;
}

.warning-banner {
    background-color: #fff3cd;
    border: 1px solid var(--keystone-yellow);
    border-radius: 4px;
    padding: 15px 20px;
    margin-bottom: 20px;
}

.warning-banner h2 {
    margin-top: 0;
    color: #856404;
}

footer {
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
    color: var(--text-light);
    text-align: center;
}

li.expandable {
    list-style-type: none;
}

li.expandable details {
    margin-left: -20px;
}