/* Shared layout for all pages — complements terminal.css.
   Replaces the inline styles that were duplicated on every page. */

.root {
    display: flex;
    flex-direction: column;
    align-items: center;
    /* min-height (not height): pages taller than the viewport must grow,
       and fixed 100vh misbehaves on mobile browsers with dynamic toolbars */
    min-height: 100vh;
    padding: 20px;
}

.container {
    width: 100%;
    max-width: 800px;
}

nav ul {
    display: flex;
    flex-direction: row;
    justify-content: space-evenly;
    gap: 12px 24px;
    flex-wrap: wrap;
    padding-left: 0;
}

/* Comfortable tap targets on touch screens (44px-ish hit area) */
nav a {
    display: inline-block;
    padding: 8px 4px;
}

nav a[aria-current="page"] {
    border-bottom: 2px solid currentColor;
}

.sections-grid {
    display: grid;
    grid-template-rows: auto;
    gap: 20px;
    margin-top: 20px;
    padding: 20px;
}

.article-body {
    margin-top: 20px;
    padding: 20px;
    line-height: 1.75;
}

.article-title {
    text-align: center;
}

/* Article cards are real links now (no onclick JS) */
a.card-link {
    display: block;
    color: inherit;
    text-decoration: none;
}

/* --- Responsive guards ------------------------------------------- */

/* Wide tables (About page) scroll inside their box instead of
   stretching the page on phones */
.table-wrap {
    overflow-x: auto;
}

/* Code blocks scroll horizontally instead of overflowing the viewport */
pre {
    overflow-x: auto;
    max-width: 100%;
}

img {
    max-width: 100%;
    height: auto;
}

.resource-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-list li {
    overflow-wrap: anywhere; /* long emails/URLs never overflow on phones */
}

/* Reading time on article cards */
.card-meta {
    margin-top: 8px;
    font-size: 0.85em;
    color: var(--secondary-color);
}

/* End-of-article navigation */
.back-link {
    margin-top: 2em;
}

@media (max-width: 600px) {
    .root {
        padding: 12px;
    }
    .sections-grid,
    .article-body {
        padding: 8px;
    }
    h1 {
        font-size: 1.6rem;
    }
}

/* Dark mode — terminal.css's official dark palette, applied automatically
   when the OS/browser prefers it. No JS, no toggle. */
@media (prefers-color-scheme: dark) {
    :root {
        --background-color: #222225;
        --font-color: #e8e9ed;
        --invert-font-color: #222225;
        --secondary-color: #a3abba;
        --tertiary-color: #a3abba;
        --primary-color: #62c4ff;
        --error-color: #ff3c74;
        --progress-bar-background: #3f3f44;
        --progress-bar-fill: #62c4ff;
        --code-bg-color: #3f3f44;
        --input-style: solid;
        --display-text-color: white;
    }
}