/**
 * Layout Styles
 * Premium Editorial Design System
 *
 * @package Messlier
 */

/* ========================================
   CONTAINERS - INTENTIONAL WIDTH SYSTEM
   Two contexts: index (lists/cards) and reading (articles)
   ======================================== */

/* Default container: index width for lists, navigation, cards */
.container {
    width: 100%;
    max-width: var(--width-index);
    margin: 0 auto;
    padding: 0 var(--space-8);
}

/* Reading container: spacious prose width for articles (75ch) */
.container--reading {
    max-width: var(--width-reading);
}

/* Legacy alias - maps to reading width */
.container--narrow {
    max-width: var(--width-reading);
}

/* ========================================
   SITE STRUCTURE
   ======================================== */

.site {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.site-main {
    flex: 1;
    padding: var(--space-16) 0;
}

/* ========================================
   HEADER - MASTHEAD
   Opening of a publication, not a toolbar
   ======================================== */

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background-color: var(--bg);
    border-bottom: 1px solid var(--border);
    transition: background-color var(--transition-base), border-color var(--transition-base);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: var(--header-height);
    gap: var(--space-8);
    padding-top: var(--space-5);
    padding-bottom: var(--space-5);
}

/* ========================================
   SITE BRANDING
   ======================================== */

.site-branding {
    flex-shrink: 0;
}

.site-title {
    font-size: var(--text-xl);
    font-weight: 600;
    font-family: var(--font-serif);
    color: var(--text);
    text-decoration: none;
    letter-spacing: var(--tracking-tight);
    transition: color var(--transition-fast);
}

.site-title:hover {
    color: var(--link);
}

/* ========================================
   MAIN NAVIGATION
   ======================================== */

.main-navigation {
    flex: 1;
    display: flex;
    justify-content: center;
}

.main-navigation ul {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: var(--space-8);
}

.main-navigation li {
    margin: 0;
}

.main-navigation a {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--text-muted);
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: var(--tracking-wider);
    padding: var(--space-2) 0;
    transition: color var(--transition-fast);
    position: relative;
}

.main-navigation a::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background-color: var(--accent);
    transform: scaleX(0);
    transition: transform var(--transition-fast);
}

.main-navigation a:hover,
.main-navigation .current-menu-item a,
.main-navigation .current_page_item a {
    color: var(--text);
}

.main-navigation .current-menu-item a::after,
.main-navigation .current_page_item a::after {
    transform: scaleX(1);
}

.main-navigation a:focus {
    outline: 2px solid var(--focus-ring);
    outline-offset: 4px;
    border-radius: var(--radius-sm);
}

.main-navigation a:focus:not(:focus-visible) {
    outline: none;
}

/* ========================================
   MENU TOGGLE (MOBILE)
   ======================================== */

.menu-toggle {
    display: none;
    width: 44px;
    height: 44px;
    padding: var(--space-2);
    background: none;
    border: none;
    cursor: pointer;
    position: relative;
    border-radius: var(--radius-md);
    transition: background-color var(--transition-fast);
}

.menu-toggle:hover {
    background-color: var(--surface);
}

.menu-toggle:focus {
    outline: 2px solid var(--focus-ring);
    outline-offset: 2px;
}

.menu-toggle:focus:not(:focus-visible) {
    outline: none;
}

.menu-toggle-icon,
.menu-toggle-icon::before,
.menu-toggle-icon::after {
    display: block;
    width: 22px;
    height: 2px;
    background-color: var(--text);
    transition: all var(--transition-fast);
    border-radius: 1px;
}

.menu-toggle-icon {
    position: relative;
}

.menu-toggle-icon::before,
.menu-toggle-icon::after {
    content: "";
    position: absolute;
    left: 0;
}

.menu-toggle-icon::before {
    top: -7px;
}

.menu-toggle-icon::after {
    top: 7px;
}

/* Menu Toggle Active State */
.menu-toggle[aria-expanded="true"] .menu-toggle-icon {
    background-color: transparent;
}

.menu-toggle[aria-expanded="true"] .menu-toggle-icon::before {
    top: 0;
    transform: rotate(45deg);
}

.menu-toggle[aria-expanded="true"] .menu-toggle-icon::after {
    top: 0;
    transform: rotate(-45deg);
}

/* ========================================
   FOOTER - BOOKEND
   Clean close to the publication
   ======================================== */

.site-footer {
    padding: var(--space-12) 0 var(--space-10);
    margin-top: var(--space-8);
    border-top: 1px solid var(--border);
    background-color: var(--bg);
    transition: background-color var(--transition-base), border-color var(--transition-base);
}

.footer-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-6);
    text-align: center;
}

.footer-social {
    display: flex;
    gap: var(--space-3);
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    color: var(--text-muted);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.social-link:hover {
    color: var(--text);
    background-color: var(--surface);
}

.social-link:focus {
    outline: 2px solid var(--focus-ring);
    outline-offset: 2px;
}

.social-link:focus:not(:focus-visible) {
    outline: none;
}

.footer-copyright {
    font-size: var(--text-sm);
    color: var(--text-light);
}

.footer-copyright p {
    margin: 0;
}

/* ========================================
   POSTS GRID
   ======================================== */

.posts-grid {
    display: grid;
    gap: var(--space-8);
}

/* ========================================
   PAGINATION
   ======================================== */

.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--space-2);
    margin-top: var(--space-16);
    padding-top: var(--space-10);
    border-top: 1px solid var(--border-light);
}

.pagination a,
.pagination span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 var(--space-3);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--text-muted);
    background-color: transparent;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.pagination a:hover {
    color: var(--text);
    background-color: var(--surface);
    border-color: var(--border-strong);
}

.pagination a:focus {
    outline: 2px solid var(--focus-ring);
    outline-offset: 2px;
}

.pagination a:focus:not(:focus-visible) {
    outline: none;
}

.pagination .current {
    color: var(--text-invert);
    background-color: var(--accent);
    border-color: var(--accent);
}

.pagination .dots {
    border: none;
    background: none;
    color: var(--text-light);
}

/* ========================================
   RESPONSIVE - MOBILE
   ======================================== */

@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .main-navigation {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--bg);
        border-bottom: 1px solid var(--border);
        padding: var(--space-6);
        display: none;
        box-shadow: var(--shadow-md);
    }

    .main-navigation.toggled {
        display: block;
    }

    .main-navigation ul {
        flex-direction: column;
        gap: var(--space-4);
        align-items: center;
    }

    .main-navigation a {
        font-size: var(--text-base);
        padding: var(--space-2) var(--space-4);
    }

    .main-navigation a::after {
        display: none;
    }

    .header-inner {
        flex-wrap: wrap;
    }

    .site-branding {
        order: 1;
    }

    .menu-toggle {
        order: 2;
        margin-left: auto;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-5);
    }

    .site-main {
        padding: var(--space-10) 0;
    }

    h1 {
        font-size: var(--text-3xl);
    }

    h2 {
        font-size: var(--text-2xl);
    }

    .pagination {
        gap: var(--space-1);
    }

    .pagination a,
    .pagination span {
        min-width: 36px;
        height: 36px;
        font-size: var(--text-xs);
    }
}