/*
Theme Name: Lantern
Description: A warm, editorial classic theme for practical long-form guides, with a calm reading column, a quiet sidebar, and hand-drawn warmth in oat and terracotta tones.
Version: 1.4.3
Requires at least: 6.0
Tested up to: 6.8
Requires PHP: 7.4
Author: The Patient Leash
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: lantern
*/

/* ---------------------------------------------------------------
   Design tokens
--------------------------------------------------------------- */
:root {
    --bg: #f5eee1;
    --surface: #fffdf7;
    --fg: #2e2a25;
    --muted: #7d7264;
    --border: #ddd2bf;
    --border-soft: #e9e1d1;
    --accent: #bd5a32;
    --accent-deep: #9c4523;
    --accent-tint: #f3e2d6;
    --radius: 10px;
    --radius-lg: 16px;
    --shadow: 0 1px 2px rgba(46, 42, 37, 0.05), 0 6px 18px rgba(46, 42, 37, 0.06);
    --media-ratio: 56.25%; /* 1200 x 675, fixed 16:9 */
    --thumb-ratio: 56.25%;
    --wrap: 1180px;
    --measure: 46rem;
    --font-body: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, "Times New Roman", serif;
    --font-ui: "Avenir Next", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
    --font-head: Georgia, "Iowan Old Style", "Times New Roman", serif;
    --step--1: 0.875rem;
    --step-0: 1.0625rem;
    --step-1: 1.25rem;
    --step-2: 1.5625rem;
    --step-3: 2rem;
    --step-4: 2.625rem;
    --space-1: 0.375rem;
    --space-2: 0.625rem;
    --space-3: 1rem;
    --space-4: 1.5rem;
    --space-5: 2.25rem;
    --space-6: 3.5rem;
}

/* ---------------------------------------------------------------
   Base
--------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    background: var(--bg);
    color: var(--fg);
    font-family: var(--font-body);
    font-size: var(--step-0);
    line-height: 1.78;
    -webkit-font-smoothing: antialiased;
}

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

a {
    color: var(--accent-deep);
    text-decoration-color: rgba(189, 90, 50, 0.45);
    text-underline-offset: 3px;
}
a:hover { color: var(--accent); text-decoration-color: var(--accent); }

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-head);
    font-weight: 700;
    line-height: 1.22;
    color: var(--fg);
    margin: 0 0 var(--space-3);
}
h1 { font-size: var(--step-4); letter-spacing: -0.015em; }
h2 { font-size: var(--step-3); }
h3 { font-size: var(--step-2); }
h4 { font-size: var(--step-1); }

p { margin: 0 0 var(--space-3); }
ul, ol { margin: 0 0 var(--space-3); padding-left: 1.4em; }
blockquote {
    margin: var(--space-4) 0;
    padding: var(--space-3) var(--space-4);
    border-left: 3px solid var(--accent);
    background: var(--surface);
    border-radius: 0 var(--radius) var(--radius) 0;
    color: var(--muted);
    font-style: italic;
}
code, pre {
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
    font-size: 0.92em;
    background: var(--accent-tint);
    border-radius: 6px;
}
code { padding: 0.1em 0.35em; }
pre { padding: var(--space-3); overflow-x: auto; }
hr { border: 0; border-top: 1px solid var(--border); margin: var(--space-5) 0; }
table { width: 100%; border-collapse: collapse; margin: 0 0 var(--space-3); font-size: var(--step--1); font-family: var(--font-ui); }
th, td { padding: 0.6em 0.8em; border: 1px solid var(--border); text-align: left; }
th { background: var(--surface); }

.screen-reader-text {
    position: absolute !important;
    width: 1px; height: 1px;
    padding: 0; margin: -1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
    border: 0;
}

/* ---------------------------------------------------------------
   Layout shell
--------------------------------------------------------------- */
.wrap {
    max-width: var(--wrap);
    margin: 0 auto;
    padding-left: var(--space-4);
    padding-right: var(--space-4);
}

.layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: var(--space-6);
    padding-top: var(--space-5);
    padding-bottom: var(--space-6);
}
.layout--full { grid-template-columns: minmax(0, 1fr); }
.wrap:has(> .breadcrumb) + .layout { padding-top: var(--space-3); }

/* ---------------------------------------------------------------
   Header
--------------------------------------------------------------- */
.site-header {
    background: var(--surface);
    border-bottom: 1px solid var(--border);
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    min-height: 76px;
}
.branding a.site-name {
    font-family: var(--font-head);
    font-size: var(--step-2);
    font-weight: 700;
    color: var(--fg);
    text-decoration: none;
    letter-spacing: -0.01em;
}
.branding a.site-name:hover { color: var(--accent-deep); }

.main-nav ul.menu,
.main-nav ul.menu-fallback {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
    gap: var(--space-1);
    font-family: var(--font-ui);
    font-size: 0.95rem;
}
.main-nav li { position: relative; }
.main-nav a {
    display: block;
    padding: 0.55em 0.85em;
    color: var(--fg);
    text-decoration: none;
    border-radius: var(--radius);
}
.main-nav a:hover { background: var(--accent-tint); color: var(--accent-deep); }
.main-nav li.menu-item-has-children > a::after {
    content: "";
    display: inline-block;
    margin-left: 0.45em;
    border: 4px solid transparent;
    border-top-color: var(--muted);
    transform: translateY(2px);
}

.main-nav ul.sub-menu {
    list-style: none;
    margin: 0;
    padding: var(--space-1);
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 260px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    display: none;
    z-index: 50;
}
.main-nav ul.sub-menu a {
    padding: 0.55em 0.9em;
    white-space: normal;
    border-radius: 6px;
}

.nav-toggle {
    display: none;
    background: none;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 0.5em 0.9em;
    font-family: var(--font-ui);
    font-size: 0.95rem;
    color: var(--fg);
    cursor: pointer;
}
.submenu-toggle { display: none; }

/* ---------------------------------------------------------------
   Breadcrumb
--------------------------------------------------------------- */
.breadcrumb {
    padding-top: var(--space-3);
    margin-bottom: 0;
    font-family: var(--font-ui);
    font-size: var(--step--1);
    color: var(--muted);
}
.breadcrumb .trail {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5em;
}
.breadcrumb .crumb::after {
    content: "/";
    margin-left: 0.5em;
    color: var(--border);
}
.breadcrumb .crumb:last-child::after { content: ""; }
.breadcrumb a { color: var(--muted); text-decoration: none; }
.breadcrumb a:hover { color: var(--accent-deep); }

/* ---------------------------------------------------------------
   Hero (homepage, first post)
--------------------------------------------------------------- */
.hero {
    background: var(--surface);
    border: 1px solid var(--border-soft);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    overflow: hidden;
    margin-bottom: var(--space-6);
}
.hero-media img {
    display: block;
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
}
.hero-body { padding: var(--space-5) var(--space-5) var(--space-5); }
.hero-title { font-size: var(--step-4); max-width: 22em; }
.hero-title a { color: var(--fg); text-decoration: none; }
.hero-title a:hover { color: var(--accent-deep); }
.hero-excerpt {
    max-width: var(--measure);
    color: var(--muted);
    font-size: var(--step-1);
    line-height: 1.65;
}
.hero .meta-row { margin-top: var(--space-3); }

/* ---------------------------------------------------------------
   Meta rows
--------------------------------------------------------------- */
.meta-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4em 1.2em;
    font-family: var(--font-ui);
    font-size: var(--step--1);
    color: var(--muted);
}
.meta-row a { color: var(--muted); text-decoration: none; }
.meta-row a:hover { color: var(--accent-deep); }

/* ---------------------------------------------------------------
   Card grid (archives, search, related)
--------------------------------------------------------------- */
.section-heading {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: var(--space-3);
    border-bottom: 1px solid var(--border);
    padding-bottom: var(--space-2);
    margin-bottom: var(--space-4);
}
.section-heading h2, .section-heading h1 { margin: 0; }

.card-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-4);
}
.card {
    background: var(--surface);
    border: 1px solid var(--border-soft);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}
.card-thumb { display: block; position: relative; padding-top: var(--thumb-ratio); background: var(--accent-tint); }
.card-thumb img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.card-body { padding: var(--space-4); display: flex; flex-direction: column; gap: var(--space-2); flex: 1; }
.card-title {
    font-size: var(--step-1);
    margin: 0;
    line-height: 1.35;
}
.card-title a { color: var(--fg); text-decoration: none; }
.card-title a:hover { color: var(--accent-deep); }
.card-excerpt {
    font-size: 0.95rem;
    color: var(--muted);
    margin: 0;
}
.card .meta-row { margin-top: auto; padding-top: var(--space-2); border-top: 1px dashed var(--border-soft); }

/* ---------------------------------------------------------------
   Archive headers
--------------------------------------------------------------- */
.archive-head { margin-bottom: var(--space-5); }
.archive-head h1 { margin-bottom: var(--space-2); }
.archive-desc { color: var(--muted); max-width: var(--measure); }

/* ---------------------------------------------------------------
   Single article — sheet on canvas
--------------------------------------------------------------- */
.sheet {
    background: var(--surface);
    border: 1px solid var(--border-soft);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    padding: var(--space-5);
}

/* On paper, module cards step back to the canvas tone and drop their shadows. */
.sheet .card,
.sheet .tag-list a,
.sheet blockquote {
    background: var(--bg);
    box-shadow: none;
}

.article-head { margin-bottom: var(--space-4); }
.article-head h1 { margin-bottom: var(--space-3); max-width: 24em; }
.article-featured {
    margin: var(--space-4) 0;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-soft);
}
.article-featured img { display: block; width: 100%; }

.article-body { max-width: var(--measure); }
.article-body h2 { margin-top: var(--space-5); }
.article-body h3 { margin-top: var(--space-4); }
.article-body img { border-radius: var(--radius); }

/* Long words never break the layout. */
.article-body, .card, .hero, .comment-body, .sidebar {
    overflow-wrap: break-word;
}

/* Tables scroll inside their own box on narrow screens. */
.table-scroll {
    max-width: 100%;
    overflow-x: auto;
    margin: 0 0 var(--space-3);
    border: 1px solid var(--border);
    border-radius: var(--radius);
}
.table-scroll table { margin: 0; border: 0; min-width: 34rem; }

.tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin: var(--space-5) 0;
}
.tag-list a {
    font-family: var(--font-ui);
    font-size: var(--step--1);
    color: var(--fg);
    text-decoration: none;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 0.35em 1em;
}
.tag-list a:hover { border-color: var(--accent); color: var(--accent-deep); }

.author-note-wrap {
    transform: rotate(-0.6deg);
    margin: var(--space-5) 2px var(--space-4);
}
.author-note {
    position: relative;
    background: var(--accent-tint);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 30px 24px 22px;
    box-shadow: 2px 4px 10px rgba(46, 42, 37, 0.12);
}
.author-note .tape {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%) rotate(1.5deg);
    width: 96px;
    height: 26px;
    background: rgba(221, 210, 191, 0.7);
    border: 1px solid rgba(125, 114, 100, 0.35);
}
.author-note-head { display: flex; gap: 14px; align-items: center; margin-bottom: 10px; }
.author-note .avatar { width: 56px; height: 56px; border-radius: 50%; border: 2px solid var(--border); flex: 0 0 auto; }
.author-note-label {
    margin: 0 0 2px;
    font-family: var(--font-ui);
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--muted);
}
.author-note .author-name {
    font-family: var(--font-ui);
    font-weight: 600;
    font-size: 1rem;
    line-height: 1.3;
}
.author-note .author-name a {
    color: var(--fg);
    text-decoration-style: dashed;
    text-decoration-color: var(--border);
}
.author-note-desc { margin: 0 0 10px; font-size: 0.92rem; line-height: 1.7; color: #5a5348; }
.author-note-link { font-size: 0.9rem; font-weight: 600; }

.related { margin-top: var(--space-5); }

/* ---------------------------------------------------------------
   Sidebar
--------------------------------------------------------------- */
.sidebar > section {
    background: var(--surface);
    border: 1px solid var(--border-soft);
    border-radius: var(--radius-lg);
    padding: var(--space-4);
    margin-bottom: var(--space-4);
}
.sidebar h2.widget-title {
    font-family: var(--font-ui);
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: var(--space-3);
}
.sidebar ul { list-style: none; margin: 0; padding: 0; }
.sidebar li {
    padding: 0.45em 0;
    border-bottom: 1px dashed var(--border-soft);
    font-family: var(--font-ui);
    font-size: 0.95rem;
}
.sidebar li:last-child { border-bottom: 0; }
.sidebar li a { color: var(--fg); text-decoration: none; }
.sidebar li a:hover { color: var(--accent-deep); }
.sidebar .recent-date {
    display: block;
    font-size: 0.78rem;
    color: var(--muted);
}

/* ---------------------------------------------------------------
   Search form
--------------------------------------------------------------- */
.search-form {
    display: flex;
    gap: var(--space-2);
    width: 100%;
}
.search-field {
    flex: 1;
    min-width: 0;
    padding: 0.6em 0.9em;
    font-family: var(--font-ui);
    font-size: 0.95rem;
    color: var(--fg);
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
}
.search-field:focus {
    outline: 2px solid rgba(189, 90, 50, 0.35);
    outline-offset: 1px;
    border-color: var(--accent);
}
.search-submit {
    padding: 0.6em 1.1em;
    font-family: var(--font-ui);
    font-size: 0.95rem;
    color: #fffdf7;
    background: var(--accent);
    border: 1px solid var(--accent);
    border-radius: var(--radius);
    cursor: pointer;
}
.search-submit:hover { background: var(--accent-deep); }

/* ---------------------------------------------------------------
   Pagination
--------------------------------------------------------------- */
.pagination { margin-top: var(--space-5); }
.pagination .nav-links {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    justify-content: center;
    font-family: var(--font-ui);
    font-size: 0.95rem;
}
.pagination .page-numbers {
    display: inline-block;
    padding: 0.45em 0.95em;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface);
    color: var(--fg);
    text-decoration: none;
}
.pagination .page-numbers.current {
    background: var(--accent);
    border-color: var(--accent);
    color: #fffdf7;
}
.pagination a.page-numbers:hover { border-color: var(--accent); color: var(--accent-deep); }

/* ---------------------------------------------------------------
   Comments
--------------------------------------------------------------- */
.comments-area {
    margin-top: var(--space-6);
    border-top: 1px solid var(--border);
    padding-top: var(--space-5);
}
.comments-title { font-size: var(--step-2); }
.comment-list { list-style: none; margin: 0 0 var(--space-5); padding: 0; }
.comment-list .children { list-style: none; margin: 0; padding-left: var(--space-5); }
.comment-body {
    background: var(--surface);
    border: 1px solid var(--border-soft);
    border-radius: var(--radius-lg);
    padding: var(--space-4);
    margin-bottom: var(--space-3);
}
.comment-meta {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-family: var(--font-ui);
    font-size: var(--step--1);
    color: var(--muted);
    margin-bottom: var(--space-2);
}
.comment-meta .avatar { border-radius: 50%; }
.comment-meta .fn { font-weight: 600; color: var(--fg); }
.comment-content p { margin-bottom: var(--space-2); }
.reply { font-family: var(--font-ui); font-size: var(--step--1); }
.comment-respond { max-width: var(--measure); }
.comment-form label {
    display: block;
    font-family: var(--font-ui);
    font-size: var(--step--1);
    color: var(--muted);
    margin-bottom: 0.3em;
}
.comment-form input[type="text"],
.comment-form input[type="email"],
.comment-form input[type="url"],
.comment-form textarea {
    width: 100%;
    padding: 0.6em 0.9em;
    font-family: var(--font-ui);
    font-size: 0.95rem;
    color: var(--fg);
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin-bottom: var(--space-3);
}
.comment-form .submit {
    padding: 0.65em 1.4em;
    font-family: var(--font-ui);
    font-size: 0.95rem;
    color: #fffdf7;
    background: var(--accent);
    border: 1px solid var(--accent);
    border-radius: var(--radius);
    cursor: pointer;
}
.comment-form .submit:hover { background: var(--accent-deep); }

/* ---------------------------------------------------------------
   Footer
--------------------------------------------------------------- */
.site-footer {
    background: var(--fg);
    color: #cfc5b4;
    margin-top: var(--space-6);
}
.site-footer a { color: #e8dfcf; text-decoration: none; }
.site-footer a:hover { color: #f0b79b; }
.footer-groups {
    list-style: none;
    margin: 0;
    padding: var(--space-6) 0 var(--space-5);
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: var(--space-5);
}
.footer-group-heading {
    display: block;
    font-family: var(--font-ui);
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: #f0b79b;
    margin-bottom: var(--space-3);
}
.footer-sub { list-style: none; margin: 0; padding: 0; }
.footer-sub li { margin-bottom: 0.55em; font-family: var(--font-ui); font-size: 0.92rem; }
.footer-bottom {
    border-top: 1px solid rgba(255, 253, 247, 0.14);
    padding: var(--space-4) 0;
    font-family: var(--font-ui);
    font-size: var(--step--1);
    color: #a89c89;
    display: flex;
    flex-wrap: wrap;
    gap: 0.4em 1.5em;
    justify-content: space-between;
}
.footer-bottom p { margin: 0; }

/* ---------------------------------------------------------------
   404 / empty states
--------------------------------------------------------------- */
.empty-state {
    background: var(--surface);
    border: 1px solid var(--border-soft);
    border-radius: var(--radius-lg);
    padding: var(--space-6) var(--space-5);
    text-align: center;
}
.empty-state h1 { margin-bottom: var(--space-3); }
.empty-state .search-form { max-width: 30rem; margin: var(--space-4) auto 0; }
.empty-links {
    margin-top: var(--space-5);
    text-align: left;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-5);
}

/* ---------------------------------------------------------------
   Responsive
--------------------------------------------------------------- */
@media (min-width: 761px) {
    .main-nav li:hover > ul.sub-menu,
    .main-nav li:focus-within > ul.sub-menu { display: block; }
}

@media (max-width: 1020px) {
    .layout { grid-template-columns: minmax(0, 1fr); }
    .layout { padding-bottom: var(--space-4); }
    .site-footer { margin-top: var(--space-4); }
    .sidebar { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-4); }
    .sidebar > section { margin-bottom: 0; }
}

@media (max-width: 760px) {
    .header-inner { flex-wrap: wrap; padding: var(--space-3) 0; }
    .nav-toggle { display: block; }
    .main-nav { display: none; width: 100%; }
    .main-nav.nav-open { display: block; }
    .main-nav ul.menu, .main-nav ul.menu-fallback { flex-direction: column; align-items: stretch; gap: 0; padding-bottom: var(--space-3); }
    .main-nav li.menu-item-has-children > a::after { display: none; }
    .main-nav ul.sub-menu {
        position: static;
        display: none;
        border: 0;
        border-left: 2px solid var(--border);
        border-radius: 0;
        box-shadow: none;
        margin-left: var(--space-4);
        padding: 0;
        background: transparent;
    }
    .main-nav li.submenu-open > ul.sub-menu { display: block; }
    /* A freshly opened sub-menu lands right under the fingertip, so the
       browser's default tap-highlight flashes one of its links, and touch
       browsers may apply a phantom :hover to it. Kill both. */
    .main-nav a,
    .submenu-toggle {
        -webkit-tap-highlight-color: transparent;
    }
    .main-nav a:hover { background: none; color: var(--fg); }
    .main-nav a:active { background: var(--accent-tint); color: var(--accent-deep); }
    .submenu-toggle {
        display: inline-block;
        position: absolute;
        top: 4px;
        right: 0;
        background: none;
        border: 0;
        cursor: pointer;
        padding: 0.55em 0.9em;
        color: var(--muted);
        font-size: 0.95rem;
        font-family: var(--font-ui);
    }
    .card-grid { grid-template-columns: minmax(0, 1fr); }
    .sidebar { grid-template-columns: minmax(0, 1fr); }
    .footer-groups { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .hero-body { padding: var(--space-4); }
    .sheet { padding: var(--space-4); }
    .hero-title { font-size: var(--step-3); }
    h1 { font-size: var(--step-3); }
    .empty-links { grid-template-columns: minmax(0, 1fr); }
    .author-note-wrap { transform: none; }
    .author-note { padding: 24px 16px 18px; }
    .comments-area { margin-top: var(--space-4); padding-top: var(--space-3); }
}

@media (max-width: 460px) {
    .footer-groups { grid-template-columns: minmax(0, 1fr); }
    .wrap { padding-left: var(--space-3); padding-right: var(--space-3); }
    .sheet { padding: var(--space-3); }
    .hero-body { padding: var(--space-3); }
}