/*
Theme Name: Autogram
Theme URI: https://hanedanca.com
Author: Hanedanca
Author URI: https://hanedanca.com
Description: A minimalist, elegant blogging theme inspired by Byrne. Features automatic category-based homepage sections, responsive design, and admin-controlled category visibility.
Version: 1.1.1
Requires at least: 6.0
Tested up to: 6.7
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: autogram
Tags: blog, food-and-drink, one-column, two-columns, three-columns, custom-menu, featured-images, full-width-template, theme-options, translation-ready, accessibility-ready
*/

/* ==========================================================================
   CSS Custom Properties (Design Tokens - Byrne Style)
   ========================================================================== */

:root {
    /* Colors — Byrne Palette */
    --color-primary: #000000;
    --color-secondary: #082d0f;
    --color-accent: #082d0f; /* Dark Green — Byrne secondary */
    --color-bg: #FFFFFF;
    --color-bg-alt: #F4F6F2; /* Byrne tertiary */
    --color-border: #D8DDD4;
    --color-quote: var(--color-secondary);
    --color-white: #FFFFFF;

    /* Typography — Byrne Fonts */
    --font-heading: 'Libre Baskerville', Georgia, 'Times New Roman', serif;
    --font-body: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-post: var(--font-body);
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

    /* Font Sizes — Byrne Scale */
    --fs-xs: 0.875rem;   /* 14px — Byrne x-small */
    --fs-sm: 1rem;       /* 16px — Byrne small */
    --fs-base: 1.125rem; /* 18px — Byrne normal */
    --fs-md: 1.5rem;     /* 24px — Byrne medium */
    --fs-lg: 2.25rem;    /* 36px — Byrne large */
    --fs-xl: 2.625rem;   /* 42px — Byrne x-large */
    --fs-2xl: 2.625rem;  /* 42px — Byrne x-large */
    --fs-3xl: 3rem;      /* 48px — Byrne huge */

    /* Spacing — Byrne gap system */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 1.875rem;  /* 30px — Byrne baseline*2 */
    --space-xl: 3rem;
    --space-2xl: 4rem;
    --space-3xl: 6rem;

    /* Layout — Byrne widths */
    --max-width: none;
    --max-width-narrow: 760px;
    --max-width-wide: 1000px;
    --header-height: 88px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
}

/* ==========================================================================
   Dark Mode — Color Overrides
   ========================================================================== */

[data-theme="dark"] {
    --color-primary: #EEEEEE;
    --color-secondary: #AAAAAA;
    --color-accent: #4A7A5A; /* Lighter Green for dark mode readability */
    --color-bg: #111111;
    --color-bg-alt: #1A1A1A;
    --color-border: #333333;
    --color-quote: #a8a8a8;
    --color-white: #111111;
    color-scheme: dark;
}

[data-theme="dark"] img {
    filter: brightness(0.85) contrast(1.1);
}

/* ==========================================================================
   CSS Reset & Base
   ========================================================================== */

*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-body);
    font-size: var(--fs-base);
    line-height: 1.6;
    color: var(--color-primary);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

a:hover,
a:focus {
    color: var(--color-secondary);
}

a:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 400;
    line-height: 1.125;
    color: var(--color-primary);
}

p {
    margin-bottom: var(--space-md);
}

button, .button {
    font-family: var(--font-body);
    cursor: pointer;
    border: none;
    background: none;
}

.button-primary {
    display: inline-block;
    background-color: var(--color-accent);
    color: #FFFFFF;
    padding: 0.667em 1.333em;
    font-size: var(--fs-sm);
    font-weight: normal;
    border-radius: 4px;
    text-decoration: none;
    line-height: 1.6;
    transition: background-color var(--transition-fast), color var(--transition-fast);
}

.button-primary:hover {
    background-color: var(--color-primary);
    color: #FFFFFF;
}

[data-theme="dark"] .button-primary {
    color: #FFFFFF;
}

[data-theme="dark"] .button-primary:hover {
    color: #111111;
}

/* ==========================================================================
   Layout Utilities
   ========================================================================== */

.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 clamp(32px, 5vw, 60px);
}

.container--narrow {
    max-width: var(--max-width-narrow);
    padding-left: var(--space-xl);
    padding-right: var(--space-xl);
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ==========================================================================
   Site Header
   ========================================================================== */

.site-header {
    background: var(--color-bg);
    border-bottom: 0;
    position: relative;
    top: 0;
    z-index: 100;
    transition: background-color var(--transition-base), box-shadow var(--transition-base), padding var(--transition-base);
}

/* Scrolled sticky header style */
.site-header.scrolled {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.02);
    border-bottom-color: transparent;
}

[data-theme="dark"] .site-header.scrolled {
    background: rgba(17, 17, 17, 0.85);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.2);
}

.site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
    transition: height var(--transition-base);
}

.site-header.scrolled .container {
    height: var(--header-height);
}

.site-branding {
    display: flex;
    align-items: center;
    gap: 32px;
}

.site-title {
    font-family: var(--font-heading);
    font-size: 2rem;
    text-transform: uppercase;
    letter-spacing: 0;
    font-weight: 400;
    line-height: 1;
}

.site-title a {
    color: var(--color-primary);
}

.site-description {
    font-family: var(--font-body);
    font-size: var(--fs-sm);
    color: var(--color-primary);
    font-style: normal;
    margin: 0;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 28px;
}

.main-navigation .menu {
    display: flex;
    gap: 28px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.main-navigation .menu a {
    font-size: var(--fs-base);
    text-transform: none;
    letter-spacing: 0;
    font-weight: 400;
    color: var(--color-primary);
    position: relative;
    transition: color var(--transition-fast);
}

.main-navigation .menu a:hover {
    color: var(--color-secondary);
}

/* Active page indicators */
.main-navigation .menu .current-menu-item > a,
.main-navigation .menu .current-menu-ancestor > a,
.main-navigation .menu .current_page_item > a,
.main-navigation .menu .current-category-ancestor > a {
    color: var(--color-accent);
}

/* Theme Toggle */
.theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    color: var(--color-primary);
}
.theme-toggle svg { width: 18px; height: 18px; }
.theme-toggle .icon-sun, .theme-toggle .icon-moon { display: none; }
:root:not([data-theme="dark"]) .theme-toggle .icon-moon,
html:not([data-theme="dark"]) .theme-toggle .icon-moon { display: block; }
[data-theme="dark"] .theme-toggle .icon-sun { display: block; }

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    width: 30px;
    height: 30px;
    position: relative;
}
.menu-toggle .hamburger span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--color-primary);
    position: absolute;
    left: 0;
    transition: all var(--transition-fast);
}
.menu-toggle .hamburger span:nth-child(1) { top: 6px; }
.menu-toggle .hamburger span:nth-child(2) { top: 14px; }
.menu-toggle .hamburger span:nth-child(3) { top: 22px; }

/* ==========================================================================
   Featured Section (Front Page)
   ========================================================================== */

.featured-section {
    background-color: var(--color-bg-alt);
    padding: 60px 0 66px;
}

.featured-section--secondary {
    padding-top: 0;
}

.featured-grid {
    display: grid;
    grid-template-columns: minmax(260px, 0.36fr) minmax(0, 1fr);
    gap: 36px;
    align-items: start;
}

.featured-grid--flipped .featured-content {
    order: 2;
}

.featured-grid--flipped .featured-image-wrapper {
    order: 1;
}

.featured-grid--text-only {
    grid-template-columns: minmax(0, 760px);
    justify-content: center;
}

.featured-grid--text-only .featured-content {
    max-width: 760px;
}

.featured-content {
    max-width: 305px;
}

.featured-label {
    font-size: var(--fs-xs);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-primary);
    font-weight: 600;
    margin-bottom: 29px;
    display: block;
    position: relative;
    padding-top: 18px;
}

.featured-label::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background-color: var(--color-primary);
}

.featured-title {
    font-size: 2.25rem;
    text-transform: uppercase;
    line-height: 1.42;
    margin-bottom: 26px;
}

.featured-title a {
    color: var(--color-primary);
}

.featured-excerpt {
    font-size: var(--fs-sm);
    color: var(--color-primary);
    line-height: 1.65;
    margin-bottom: 24px;
}

.featured-image {
    width: 100%;
    aspect-ratio: 3 / 2;
    object-fit: cover;
}

/* ==========================================================================
   Mission Statement
   ========================================================================== */

.mission-statement-section {
    padding: var(--space-3xl) 0 0 0;
    text-align: center;
}

.mission-statement-text {
    font-family: var(--font-heading);
    font-size: var(--fs-md);
    line-height: 1.4;
    color: var(--color-primary);
    font-style: italic;
    font-weight: 400;
}

/* ==========================================================================
   Category Sections
   ========================================================================== */

.category-section {
    padding: 72px 0 0 0;
}

.category-section:last-child {
    padding-bottom: var(--space-3xl);
}

.category-section__header {
    margin-bottom: 48px;
}

.category-section__header-top {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--space-md);
    padding-bottom: 0;
    border-bottom: 0;
}

.category-section__title {
    font-size: 2rem;
    text-transform: uppercase;
    letter-spacing: 0;
    color: var(--color-primary);
    font-weight: 400;
}

.category-section__title a {
    color: inherit;
}

.explore-link {
    font-size: var(--fs-sm);
    text-transform: none;
    letter-spacing: 0;
    color: var(--color-secondary);
    font-weight: 500;
}

.explore-link:hover {
    color: var(--color-primary);
}

.category-section__description {
    font-size: var(--fs-base);
    color: var(--color-secondary);
    margin-top: var(--space-xs);
}

/* Category Tag Filters */
.category-filters {
    list-style: none;
    padding: 0;
    margin: var(--space-md) 0 0 0;
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
}

.filter-btn {
    font-size: var(--fs-xs);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-secondary);
    background: none;
    border: none;
    padding: 0 0 4px 0;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: all var(--transition-fast);
}

.filter-btn:hover,
.filter-btn.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-accent);
}

.post-grid-wrapper {
    transition: opacity var(--transition-base);
}

.post-grid-wrapper.is-loading {
    opacity: 0.3;
    pointer-events: none;
}

.no-posts-found {
    grid-column: 1 / -1;
    text-align: center;
    color: var(--color-secondary);
    padding: var(--space-2xl) 0;
}

/* ==========================================================================
   Post Grid
   ========================================================================== */

.post-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 72px;
    row-gap: 56px;
}

.post-card {
    display: flex;
    flex-direction: column;
}

/* Fade-in & slide-up animation when JS is active */
.js .post-card {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.js .post-card.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.post-card__thumbnail {
    margin-bottom: var(--space-md);
    aspect-ratio: 3 / 2;
    background: var(--color-bg-alt);
    overflow: hidden;
    position: relative;
}

.post-card__thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-base);
}

.post-card:hover .post-card__thumbnail img {
    transform: scale(1.03);
}

.post-card--text-only {
    padding-top: 18px;
    border-top: 1px solid var(--color-primary);
}

.post-card__meta {
    font-size: var(--fs-xs);
    color: var(--color-secondary);
    margin-bottom: var(--space-xs);
}

.post-card__title {
    font-size: var(--fs-md);
    line-height: 1.28;
    margin-bottom: var(--space-xs);
    font-weight: 400;
}

.post-card__excerpt {
    font-size: var(--fs-sm);
    color: var(--color-secondary);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 0;
}

/* ==========================================================================
   Single Post
   ========================================================================== */

.single-post-header {
    padding: var(--space-2xl) 0 var(--space-xl);
    text-align: center;
}

.single-post-header__title {
    font-size: var(--fs-xl);
    margin-bottom: var(--space-sm);
}

.single-post-header__meta {
    font-size: var(--fs-xs);
    color: var(--color-secondary);
    line-height: 1.4;
}

.single .no-featured-image .single-post-header {
    padding-bottom: var(--space-2xl);
}

.single-post-featured {
    margin-left: 0;
    margin-right: 0;
    margin-bottom: 40px;
}

.wp-block-post-featured-image img,
.single-post-featured img {
    box-sizing: border-box;
    max-width: 100%;
    width: 100%;
    height: auto;
    vertical-align: bottom;
}

.post-content {
    max-width: 760px; /* Byrne content width */
    margin: 0 auto;
    font-family: var(--font-post);
    font-size: var(--fs-base);
    line-height: 1.6; /* Byrne body line-height */
    padding-bottom: var(--space-3xl);
}

.post-content h2, .post-content h3 {
    margin-top: var(--space-2xl);
    margin-bottom: var(--space-md);
}

.post-content p {
    margin-bottom: var(--space-md);
}

.post-content strong {
    font-weight: 700;
}

.post-content em {
    font-style: italic;
}

.post-content a {
    color: var(--color-primary);
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 0.18em;
}

.post-content blockquote,
.post-content .wp-block-quote {
    margin: var(--space-lg) 0 var(--space-xl);
    padding: 0 0 0 var(--space-md);
    border: 0;
    color: var(--color-quote);
    font-family: var(--font-post);
    font-size: 1.0625rem;
    font-style: italic;
    line-height: 1.55;
    text-align: left;
}

.post-content blockquote p,
.post-content .wp-block-quote p {
    margin-bottom: var(--space-xs);
}

.post-content blockquote em,
.post-content .wp-block-quote em {
    font-style: inherit;
}

.post-content blockquote p:last-child,
.post-content .wp-block-quote p:last-child {
    margin-bottom: 0;
}

.post-content blockquote cite,
.post-content .wp-block-quote cite {
    display: block;
    margin-top: var(--space-sm);
    color: var(--color-quote);
    font-family: var(--font-body);
    font-size: var(--fs-xs);
    font-style: normal;
    line-height: 1.5;
}

.post-content .wp-block-pullquote {
    margin: var(--space-2xl) auto;
    padding: var(--space-lg) 0;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    color: var(--color-primary);
    text-align: center;
}

.post-content .wp-block-pullquote blockquote {
    margin: 0 auto;
    padding: 0;
    border-left: 0;
    color: var(--color-primary);
    font-family: var(--font-heading);
    font-size: clamp(1.375rem, 2.2vw, 1.875rem);
    line-height: 1.5;
}

.post-content .wp-block-pullquote blockquote::before {
    display: none;
}

.post-content .wp-block-pullquote cite {
    font-family: var(--font-body);
    font-size: var(--fs-xs);
}

.post-content sup {
    font-family: var(--font-body);
    font-size: 0.68em;
    line-height: 0;
    vertical-align: super;
}

.post-content sup a,
.post-content .footnote-ref,
.post-content a[role="doc-noteref"] {
    color: var(--color-secondary);
    text-decoration: none;
}

.post-content sup a:hover,
.post-content sup a:focus,
.post-content .footnote-ref:hover,
.post-content .footnote-ref:focus,
.post-content a[role="doc-noteref"]:hover,
.post-content a[role="doc-noteref"]:focus {
    color: var(--color-primary);
    text-decoration: underline;
    text-underline-offset: 0.12em;
}

.post-content .footnotes,
.post-content .wp-block-footnotes,
.post-content [role="doc-endnotes"] {
    margin-top: var(--space-2xl);
    padding-top: var(--space-md);
    border-top: 1px solid var(--color-border);
    color: var(--color-secondary);
    font-family: var(--font-body);
    font-size: var(--fs-xs);
    line-height: 1.6;
}

.post-content .footnotes hr,
.post-content .wp-block-footnotes hr,
.post-content [role="doc-endnotes"] hr {
    display: none;
}

.post-content .footnotes ol,
.post-content .wp-block-footnotes,
.post-content [role="doc-endnotes"] ol {
    padding-left: 1.25rem;
    margin-bottom: 0;
}

.post-content .footnotes li,
.post-content .wp-block-footnotes li,
.post-content [role="doc-endnotes"] li {
    margin-bottom: var(--space-xs);
    padding-left: 0.15rem;
}

.post-content .footnotes p,
.post-content .wp-block-footnotes p,
.post-content [role="doc-endnotes"] p {
    margin-bottom: var(--space-xs);
}

.post-content .footnote-backref,
.post-content a[role="doc-backlink"] {
    position: absolute;
    width: 1px;
    height: 1px;
    margin: -1px;
    padding: 0;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.single .post-content {
    padding-bottom: 0;
}

.post-tags {
    margin-top: var(--space-lg);
    color: var(--color-secondary);
    font-size: var(--fs-xs);
    line-height: 1.6;
}

.post-tags__label {
    font-weight: 700;
    margin-right: 0.25em;
}

.post-tags a {
    color: var(--color-primary);
    text-decoration: underline;
    text-underline-offset: 0.18em;
}

.byrne-single-layout {
    max-width: var(--max-width-narrow);
    margin-left: auto;
    margin-right: auto;
}

.byrne-single-layout > .alignwide {
    width: min(var(--max-width-wide), calc(100vw - (2 * var(--space-lg))));
    max-width: var(--max-width-wide);
    margin-left: 50%;
    margin-right: 0;
    transform: translateX(-50%);
}

.byrne-post-navigation-spacer {
    height: 90px;
}

.next-prev-links {
    display: flex;
    gap: calc(2 * var(--space-lg));
    align-items: flex-start;
}

.next-prev-links .wp-block-column {
    flex-basis: 0;
    flex-grow: 1;
    min-width: 0;
}

.wp-block-post-navigation-link {
    font-size: var(--fs-base);
    line-height: 1.35;
}

.wp-block-post-navigation-link a {
    color: var(--color-primary);
    text-decoration: underline;
    text-underline-offset: 0.12em;
}

.post-navigation-link__label {
    display: inline-block;
    margin-right: 1ch;
}

.post-navigation-link-next {
    text-align: right;
}

/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer {
    background: var(--color-bg-alt);
    padding: var(--space-3xl) 0;
    border-top: 1px solid var(--color-border);
}

.site-footer__widgets {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
    margin-bottom: var(--space-2xl);
}

.site-footer__bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
    border-top: 1px solid var(--color-border);
    padding-top: var(--space-xl);
}

.widget-title {
    font-size: 1.25rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-md);
}

.site-info,
.site-footer__copyright {
    text-align: center;
    font-size: var(--fs-sm);
    color: var(--color-secondary);
    margin-bottom: 0;
}

.site-footer__back-to-top {
    font-size: var(--fs-xs);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-secondary);
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 1024px) {
    .post-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .site-branding {
        flex-direction: column;
        gap: 0;
    }
    
    .site-description {
        display: none;
    }

    .main-navigation .menu {
        display: none; /* Mobile menu handled by JS in real theme, simplifying here */
    }

    .menu-toggle {
        display: block;
    }

    .main-navigation.toggled {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--color-bg);
        border-bottom: 1px solid var(--color-border);
        padding: var(--space-md);
    }

    .main-navigation.toggled .menu {
        display: flex;
        flex-direction: column;
        gap: var(--space-md);
    }

    .featured-grid {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }

    .featured-content {
        order: 2;
    }

    .featured-image-wrapper {
        order: 1;
    }

    .post-grid {
        grid-template-columns: 1fr;
    }

    .byrne-single-layout {
        max-width: none;
        padding-left: var(--space-sm);
        padding-right: var(--space-sm);
    }

    .post-content {
        padding-left: var(--space-sm);
        padding-right: var(--space-sm);
    }

    .byrne-single-layout > .alignwide {
        width: 100%;
        max-width: 100%;
        margin-left: 0;
        transform: none;
    }

    .byrne-post-navigation-spacer {
        height: var(--space-2xl);
    }

    .next-prev-links {
        flex-direction: column;
        gap: var(--space-md);
    }

    .post-navigation-link-next {
        text-align: left;
    }

    .site-footer__widgets {
        grid-template-columns: 1fr;
    }

    .homepage-hero__title {
        font-size: var(--fs-xl);
    }

    .site-footer__bottom {
        flex-direction: column;
        align-items: flex-start;
    }
}