/**
* Layout styles
* This file contains the layout styles for the application
* Layout has 5 main parts:
* - Header (header)
* - Left menu (nav)
* - Main content (main)
* - Right sidebar (aside)
* - Footer (footer)
**/




/* Layout Container */
.layout {
    max-width: 100%;
    width: 1200px;
    min-width: 0; /* flex child of body: allow shrink so children don’t force page width */
    margin: 0 auto;
    display: flex;
    flex-grow: 1;
}

nav {
    width: 21vw;
    min-width: 150px;
    max-width: 280px;
    flex-shrink: 0;
    padding: 1em;
    overflow-y: auto; /* Ensure the menu is scrollable if content is too long */
}

nav ul {
    list-style-type: none;
    padding: 0;
}

nav li {
    margin: 0.5em 0;
}

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

nav a:hover {
    color: var(--color-text-mid);
    text-decoration: none;
}

header {
    position: fixed;
    /* Use inset instead of 100vw: 100vw includes the vertical scrollbar and causes horizontal overflow on many viewports. */
    left: 0;
    right: 0;
    top: 0;
    width: auto;
    box-sizing: border-box;
}

/* Desktop: breathing room under the browser chrome. Mobile gets inset via
   .header__logo padding in the max-width block below. */
@media (min-width: 1025px) {
    header {
        padding-top: max(0.65rem, env(safe-area-inset-top, 0px));
    }
}

/* Hamburger button */
.hamburger {
    cursor: pointer;
    display: none; /* Hidden on desktop */
    font-size: 26px;
}

.header__logo {
    display: flex;
    width: 100%;
    justify-content: center;
}

#progress-bar {
    position: absolute;
    left: 0;
    bottom: 0;
    height: 4px;
    width: 0;
    transform-origin: left center;
    background: var(--color-primary);
    transition: width 0.4s ease;
    z-index: 1000;
    overflow: hidden;
    pointer-events: none;
}

/*
 * In-flight navigation: a full-width track with a short segment that sweeps left → right
 * (do not keyframe the track width: 20% / 55% / 28% read as a half-screen rubber band).
 */
#progress-bar.pb-indeterminate {
    transition: none;
    /* Tinted track: solid fill comes from ::before while loading */
    background: color-mix(in srgb, var(--color-primary) 20%, transparent);
    animation: none;
}

#progress-bar.pb-indeterminate::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 35%;
    height: 100%;
    background: var(--color-primary);
    border-radius: 0 2px 2px 0;
    animation: pb-sweep 1.15s cubic-bezier(0.4, 0, 0.2, 1) infinite;
}

@keyframes pb-sweep {
    0% {
        transform: translateX(-100%);
    }

    100% {
        /* Move one segment width past the right edge of the 100% track */
        transform: translateX(calc(100% / 0.35 + 100%));
    }
}

/* Mobile Styles */
@media (max-width: 1024px) {
    .header__logo {
        box-sizing: border-box;
        justify-content: space-between;
        align-items: center;
        gap: 0.5rem;
        padding: 0.4rem max(0.65rem, env(safe-area-inset-left)) 0.4rem max(0.65rem, env(safe-area-inset-right));
    }

    .header__brand {
        flex: 1;
        min-width: 0;
        display: block;
        text-align: left;
    }

    .header__categories {
        display: none;
        flex-direction: column;
        padding-top: 10px;
    }

    .header__categories.active {
        display: flex;
    }

    .hamburger {
        display: block;
        align-self: center;
    }

    .header__categories ul {
        flex-direction: column;
        gap: 10px;
    }
}

/* Main content */
main {
    margin-top: 140px;
    flex-grow: 1;
    min-width: 0; /* flex item: allow shrinking below wide images / intrinsic min-content */
    padding: 1em;
    word-break: break-word;
}

.user-menu {
    position: fixed;
    top: 150px;
    width: calc(21vw - 10px);
    min-width: 150px;
    max-width: 270px;
}

@media (min-width: 1025px) {
    /* Match extra header padding-top so content and menu clear the fixed bar */
    main {
        margin-top: 152px;
    }

    .user-menu {
        top: 162px;
    }
}

.user-nav {
    padding: 10px;
    margin: 10px 0;
}

/* Right sidebar */
aside {
    width: 190px;
    min-width: 150px;
    flex-shrink: 0;
    flex-grow: 0;
    padding: 1em;
}

table {
    width: 100%;
    margin: 20px 0;
}

pre, code {
    text-wrap: wrap;
    padding: 3px;
    background-color: var(--color-bg-light);
    font-size: 1rem;
}

hr {
    margin: 20px 0;
}

dt {
    margin-top: 10px;
}

/* Responsive adjustments */
@media (max-width: 1024px) {
    /* Only the main column nav, not <nav> in the footer (Sitemap and feeds, etc.) */
    .layout > nav,
    aside {
        display: none; /* Hide the sidebars on small screens */
    }
    main {
        margin-top: 90px;
        width: 100%;
    }
}

/* Footer */
footer {
    background-color: var(--color-footer-bg);
    color: var(--color-footer-text);
    padding: 1.25rem 1rem 1.5rem;
    position: relative;
    width: 100%;
    min-width: 0; /* flex child of body column: avoid min-content width wider than the viewport */
    box-sizing: border-box;
    border-top: 1px solid var(--color-border);
}

.site-footer {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 1.75rem;
    text-align: left;
    min-width: 0;
    width: 100%;
    box-sizing: border-box;
}

.site-footer__syndication-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin: 0 0 0.35rem;
}

.site-footer__syndication-hint {
    margin: 0 0 0.75rem;
    font-size: 0.9rem;
    color: var(--color-text);
    opacity: 0.9;
    max-width: 40rem;
}

.site-footer__nav {
    max-width: min(44rem, 100%);
    min-width: 0;
}

.site-footer__syndication {
    min-width: 0;
    max-width: 100%;
}

.site-footer__syndication-list {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    row-gap: 0.4rem;
    list-style: none;
    margin: 0;
    padding: 0;
    font-size: 0.95rem;
    line-height: 1.5;
    min-width: 0;
    max-width: 100%;
}

.site-footer__syndication-list > li {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.4rem 0.45rem;
    min-width: 0;
    max-width: 100%;
}

.site-footer__syndication-list > li + li::before {
    content: "·";
    color: var(--color-text-mid, #666);
    font-weight: 300;
    align-self: center;
    padding: 0 0.1rem 0 0;
}

.site-footer__link {
    color: var(--color-footer-link);
    text-decoration: underline;
    text-underline-offset: 2px;
    font-weight: 400;
}

.site-footer__link:hover {
    color: var(--color-text);
}

.site-footer__link:focus-visible {
    outline: 2px solid var(--color-focus-ring);
    outline-offset: 2px;
}

/* RSS + category feed links in one cell */
.site-footer__syndication-list__feeds {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.4rem 0.45rem;
    min-width: 0;
    max-width: 100%;
    overflow-wrap: anywhere; /* long category names / URLs can’t keep the page wider than the screen */
    word-break: break-word;
}

/* Narrow viewports: put feeds on their own row with full line width so links wrap inside the viewport, not off-screen. */
@media (max-width: 700px) {
    .site-footer__syndication-list__feeds {
        flex-basis: 100%;
    }
}

/* Dots between feed links (skip first <a> = "All articles"). */
.site-footer__syndication-list__feeds a:not(:first-of-type)::before {
    content: "·";
    color: var(--color-text-mid, #666);
    font-weight: 300;
    margin-right: 0.45rem;
    text-decoration: none;
    display: inline;
}

.site-footer__feeds-icon {
    display: flex;
    flex-shrink: 0;
    line-height: 0;
    color: var(--color-text-mid, #666);
    opacity: 0.72;
}

.site-footer__main {
    text-align: center;
}

.site-footer__legal {
    margin: 1rem 0 0;
    font-size: 0.95rem;
}

@media (min-width: 900px) {
    .site-footer {
        flex-direction: row;
        align-items: flex-start;
        justify-content: space-between;
        gap: 2rem 3rem;
    }

    .site-footer__syndication {
        flex: 0 1 50%;
    }

    .site-footer__main {
        flex: 0 1 auto;
        min-width: min(20rem, 100%);
        text-align: right;
    }

    .site-footer__legal {
        text-align: right;
    }
}

footer .footer-links {
    margin: 0 0 0.5rem;
}

.featured-authors {
    max-width: 48rem;
    margin: 0 auto;
    padding: 0 0.5rem 2rem;
}

.featured-authors__intro {
    margin-bottom: 2rem;
}

.featured-authors__intro h1 {
    margin-top: 0;
}

.featured-authors__card {
    margin-bottom: 2.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--color-border);
}

.featured-authors__card:last-of-type {
    border-bottom: none;
}

.author-profile--featured .author-profile__title {
    font-size: 1.5rem;
}

.featured-authors__more {
    margin: 0.75rem 0 0;
}

.footer-links a {
    color: var(--color-footer-link);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.footer-links a:hover {
    color: var(--color-text);
}

.footer-links a:focus-visible {
    outline: 2px solid var(--color-focus-ring);
    outline-offset: 3px;
}

.search input {
    flex-grow: 1;
}