/*
Theme Name: DOS Project
Theme URI: https://dosproject.com
Author: DOS Project
Author URI: https://dosproject.com
Description: A retro terminal-style WordPress theme for DOS Project - tech articles about Linux, DOSBox, retro gaming and embedded systems.
Version: 1.0.0
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: dosproject
Tags: blog, one-column, two-columns, custom-menu, featured-images, translation-ready
*/

/* === Reset & Base === */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --color-bg: #0a0a0a;
    --color-bg-alt: #111111;
    --color-bg-card: #1a1a1a;
    --color-border: #333333;
    --color-text: #cccccc;
    --color-text-muted: #888888;
    --color-primary: #00ff41;
    --color-primary-dim: #00cc33;
    --color-accent: #00bfff;
    --color-link: #00ff41;
    --color-link-hover: #00bfff;
    --color-code-bg: #0d0d0d;
    --font-mono: 'Courier New', 'Lucida Console', Monaco, monospace;
    --font-sans: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --max-width: 1100px;
    --sidebar-width: 300px;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.7;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

a {
    color: var(--color-link);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: var(--color-link-hover);
    text-decoration: underline;
}

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

/* === Header === */
.site-header {
    background-color: var(--color-bg-alt);
    border-bottom: 2px solid var(--color-primary);
    padding: 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0.8rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
}

.site-branding {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.site-branding img {
    height: 40px;
    width: auto;
}

.site-title {
    font-family: var(--font-mono);
    font-size: 1.4rem;
    font-weight: bold;
    margin: 0;
    line-height: 1;
}

.site-title a {
    color: var(--color-primary);
    text-decoration: none;
}

.site-title a:hover {
    color: var(--color-accent);
    text-decoration: none;
}

.site-title a::before {
    content: '> ';
    color: var(--color-text-muted);
}

.site-description {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--color-text-muted);
    margin: 0;
}

/* === Navigation === */
.main-navigation ul {
    list-style: none;
    display: flex;
    gap: 0.3rem;
    flex-wrap: wrap;
}

.main-navigation a {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--color-text);
    padding: 0.4rem 0.8rem;
    border: 1px solid transparent;
    border-radius: 3px;
    transition: all 0.2s ease;
}

.main-navigation a:hover,
.main-navigation .current-menu-item a {
    color: var(--color-primary);
    border-color: var(--color-primary);
    text-decoration: none;
    background-color: rgba(0, 255, 65, 0.05);
}

/* Mobile menu toggle */
.menu-toggle {
    display: none;
    background: none;
    border: 1px solid var(--color-primary);
    color: var(--color-primary);
    font-family: var(--font-mono);
    font-size: 0.9rem;
    padding: 0.4rem 0.8rem;
    cursor: pointer;
}

/* === Layout === */
.site-content {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 2rem 1.5rem;
    flex: 1;
    width: 100%;
    display: flex;
    gap: 2rem;
}

.content-area {
    flex: 1;
    min-width: 0;
}

.widget-area {
    width: var(--sidebar-width);
    flex-shrink: 0;
}

/* === Posts === */
.post,
.page-content {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-left: 3px solid var(--color-primary);
    padding: 1.5rem 2rem;
    margin-bottom: 2rem;
    border-radius: 0 4px 4px 0;
}

.post:hover {
    border-left-color: var(--color-accent);
}

.entry-header {
    margin-bottom: 1rem;
    padding-bottom: 0.8rem;
    border-bottom: 1px solid var(--color-border);
}

.entry-title {
    font-family: var(--font-mono);
    font-size: 1.5rem;
    line-height: 1.3;
    margin-bottom: 0.4rem;
}

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

.entry-title a:hover {
    color: var(--color-accent);
    text-decoration: none;
}

.entry-meta {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--color-text-muted);
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.entry-meta a {
    color: var(--color-text-muted);
}

.entry-meta a:hover {
    color: var(--color-primary);
}

.entry-meta .meta-separator::before {
    content: '|';
    margin: 0 0.3rem;
}

/* Post thumbnail */
.post-thumbnail {
    margin-bottom: 1rem;
    border: 1px solid var(--color-border);
    overflow: hidden;
    border-radius: 3px;
}

.post-thumbnail img {
    width: 100%;
    display: block;
    transition: opacity 0.3s ease;
}

.post-thumbnail img:hover {
    opacity: 0.85;
}

/* Entry content */
.entry-content {
    line-height: 1.8;
}

.entry-content p {
    margin-bottom: 1rem;
}

.entry-content h2,
.entry-content h3,
.entry-content h4 {
    font-family: var(--font-mono);
    color: var(--color-primary);
    margin-top: 1.5rem;
    margin-bottom: 0.8rem;
}

.entry-content h2 {
    font-size: 1.4rem;
    border-bottom: 1px solid var(--color-border);
    padding-bottom: 0.4rem;
}

.entry-content h3 {
    font-size: 1.2rem;
}

.entry-content ul,
.entry-content ol {
    margin-bottom: 1rem;
    padding-left: 1.5rem;
}

.entry-content li {
    margin-bottom: 0.3rem;
}

.entry-content blockquote {
    border-left: 3px solid var(--color-primary);
    padding: 0.8rem 1.2rem;
    margin: 1rem 0;
    background-color: var(--color-code-bg);
    font-style: italic;
    color: var(--color-text-muted);
}

.entry-content pre {
    background-color: var(--color-code-bg);
    border: 1px solid var(--color-border);
    padding: 1rem;
    overflow-x: auto;
    margin-bottom: 1rem;
    border-radius: 3px;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    line-height: 1.5;
    color: var(--color-primary);
}

.entry-content code {
    font-family: var(--font-mono);
    background-color: var(--color-code-bg);
    padding: 0.15rem 0.4rem;
    border-radius: 3px;
    font-size: 0.9em;
    color: var(--color-primary);
    border: 1px solid var(--color-border);
}

.entry-content pre code {
    background: none;
    padding: 0;
    border: none;
}

.entry-content img {
    border: 1px solid var(--color-border);
    border-radius: 3px;
}

.entry-content table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 1rem;
}

.entry-content th,
.entry-content td {
    border: 1px solid var(--color-border);
    padding: 0.5rem 0.8rem;
    text-align: left;
}

.entry-content th {
    background-color: var(--color-bg-alt);
    color: var(--color-primary);
    font-family: var(--font-mono);
}

/* Read more */
.read-more-link {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--color-primary);
    border: 1px solid var(--color-primary);
    padding: 0.3rem 0.8rem;
    border-radius: 3px;
    margin-top: 0.5rem;
    transition: all 0.2s ease;
}

.read-more-link:hover {
    background-color: var(--color-primary);
    color: var(--color-bg);
    text-decoration: none;
}

.read-more-link::before {
    content: '[ ';
}

.read-more-link::after {
    content: ' ]';
}

/* Entry footer */
.entry-footer {
    margin-top: 1.2rem;
    padding-top: 0.8rem;
    border-top: 1px solid var(--color-border);
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

.entry-footer a {
    color: var(--color-text-muted);
}

.entry-footer a:hover {
    color: var(--color-primary);
}

.cat-links::before {
    content: '# ';
    color: var(--color-primary);
}

.tags-links::before {
    content: '@ ';
    color: var(--color-accent);
}

/* === Pagination === */
.pagination,
.post-navigation {
    margin-top: 2rem;
    font-family: var(--font-mono);
}

.pagination .nav-links {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    justify-content: center;
}

.pagination .page-numbers {
    display: inline-block;
    padding: 0.4rem 0.8rem;
    border: 1px solid var(--color-border);
    color: var(--color-text);
    border-radius: 3px;
    font-size: 0.85rem;
}

.pagination .page-numbers.current,
.pagination .page-numbers:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    text-decoration: none;
}

.post-navigation {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    padding: 1rem 0;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.post-navigation .nav-previous a::before {
    content: '<< ';
}

.post-navigation .nav-next a::after {
    content: ' >>';
}

/* === Sidebar & Widgets === */
.widget {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-top: 2px solid var(--color-primary);
    padding: 1.2rem;
    margin-bottom: 1.5rem;
    border-radius: 0 0 4px 4px;
}

.widget-title {
    font-family: var(--font-mono);
    font-size: 0.95rem;
    color: var(--color-primary);
    margin-bottom: 0.8rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--color-border);
}

.widget-title::before {
    content: '// ';
    color: var(--color-text-muted);
}

.widget ul {
    list-style: none;
}

.widget li {
    padding: 0.3rem 0;
    border-bottom: 1px dotted var(--color-border);
    font-size: 0.9rem;
}

.widget li:last-child {
    border-bottom: none;
}

.widget li::before {
    content: '> ';
    color: var(--color-primary);
    font-family: var(--font-mono);
}

.widget a {
    color: var(--color-text);
}

.widget a:hover {
    color: var(--color-primary);
}

/* Search widget */
.search-form {
    display: flex;
}

.search-form .search-field {
    flex: 1;
    padding: 0.4rem 0.6rem;
    background-color: var(--color-code-bg);
    border: 1px solid var(--color-border);
    color: var(--color-text);
    font-family: var(--font-mono);
    font-size: 0.85rem;
    border-radius: 3px 0 0 3px;
    outline: none;
}

.search-form .search-field:focus {
    border-color: var(--color-primary);
}

.search-form .search-submit {
    padding: 0.4rem 0.8rem;
    background-color: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-left: none;
    color: var(--color-primary);
    font-family: var(--font-mono);
    font-size: 0.85rem;
    cursor: pointer;
    border-radius: 0 3px 3px 0;
    transition: all 0.2s ease;
}

.search-form .search-submit:hover {
    background-color: var(--color-primary);
    color: var(--color-bg);
}

/* === Comments === */
.comments-area {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-left: 3px solid var(--color-accent);
    padding: 1.5rem 2rem;
    margin-top: 2rem;
    border-radius: 0 4px 4px 0;
}

.comments-title {
    font-family: var(--font-mono);
    font-size: 1.2rem;
    color: var(--color-accent);
    margin-bottom: 1rem;
}

.comment-list {
    list-style: none;
}

.comment {
    padding: 1rem 0;
    border-bottom: 1px solid var(--color-border);
}

.comment-author {
    font-family: var(--font-mono);
    font-weight: bold;
    color: var(--color-primary);
}

.comment-meta {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    margin-bottom: 0.5rem;
}

.comment-body p {
    margin-bottom: 0.5rem;
}

.comment-respond .comment-reply-title {
    font-family: var(--font-mono);
    font-size: 1.1rem;
    color: var(--color-primary);
    margin-bottom: 1rem;
}

.comment-form label {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--color-text-muted);
    display: block;
    margin-bottom: 0.3rem;
}

.comment-form input[type="text"],
.comment-form input[type="email"],
.comment-form input[type="url"],
.comment-form textarea {
    width: 100%;
    padding: 0.5rem;
    background-color: var(--color-code-bg);
    border: 1px solid var(--color-border);
    color: var(--color-text);
    font-family: var(--font-mono);
    font-size: 0.9rem;
    border-radius: 3px;
    margin-bottom: 1rem;
    outline: none;
}

.comment-form input:focus,
.comment-form textarea:focus {
    border-color: var(--color-primary);
}

.comment-form .submit {
    background-color: var(--color-bg-alt);
    border: 1px solid var(--color-primary);
    color: var(--color-primary);
    font-family: var(--font-mono);
    padding: 0.5rem 1.5rem;
    cursor: pointer;
    border-radius: 3px;
    transition: all 0.2s ease;
}

.comment-form .submit:hover {
    background-color: var(--color-primary);
    color: var(--color-bg);
}

/* === Footer === */
.site-footer {
    background-color: var(--color-bg-alt);
    border-top: 2px solid var(--color-primary);
    padding: 1.5rem;
    text-align: center;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--color-text-muted);
    margin-top: auto;
}

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

.footer-widgets {
    max-width: var(--max-width);
    margin: 0 auto 1rem;
    display: flex;
    gap: 2rem;
    text-align: left;
}

.footer-widgets .widget {
    flex: 1;
    border-top-color: var(--color-accent);
}

.cursor-blink::after {
    content: '_';
    animation: blink 1s step-end infinite;
    color: var(--color-primary);
}

@keyframes blink {
    50% { opacity: 0; }
}

/* === 404 === */
.error-404 {
    text-align: center;
    padding: 3rem 1rem;
}

.error-404 h1 {
    font-family: var(--font-mono);
    font-size: 4rem;
    color: var(--color-primary);
}

.error-404 p {
    font-family: var(--font-mono);
    color: var(--color-text-muted);
    margin: 1rem 0;
}

/* === Responsive === */

/* Tablet landscape & smaller desktops */
@media (max-width: 1024px) {
    :root {
        --sidebar-width: 250px;
    }

    .site-content {
        gap: 1.5rem;
    }
}

/* Tablet portrait */
@media (max-width: 768px) {
    .site-content {
        flex-direction: column;
        padding: 1rem;
        gap: 1.5rem;
    }

    .widget-area {
        width: 100%;
    }

    .header-inner {
        flex-direction: column;
        text-align: center;
        padding: 0.6rem 1rem;
        gap: 0.5rem;
    }

    .menu-toggle {
        display: block;
    }

    .main-navigation ul {
        display: none;
        flex-direction: column;
        width: 100%;
        text-align: center;
        gap: 0;
    }

    .main-navigation.toggled ul {
        display: flex;
    }

    .main-navigation a {
        padding: 0.6rem 1rem;
        display: block;
        border-bottom: 1px solid var(--color-border);
    }

    .post,
    .page-content {
        padding: 1rem 1.2rem;
    }

    .entry-title {
        font-size: 1.2rem;
    }

    .entry-content h2 {
        font-size: 1.2rem;
    }

    .entry-content h3 {
        font-size: 1.05rem;
    }

    .footer-widgets {
        flex-direction: column;
        gap: 1rem;
    }

    .post-navigation {
        flex-direction: column;
    }

    .comments-area {
        padding: 1rem 1.2rem;
    }

    .alignleft,
    .alignright {
        float: none;
        display: block;
        margin: 0.8rem auto;
    }

    .entry-content table {
        display: block;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
}

/* Mobile phones */
@media (max-width: 480px) {
    html {
        font-size: 15px;
    }

    .header-inner {
        padding: 0.5rem 0.8rem;
    }

    .site-branding {
        flex-direction: column;
        gap: 0.3rem;
    }

    .site-branding img {
        height: 32px;
    }

    .site-title {
        font-size: 1.15rem;
    }

    .site-description {
        font-size: 0.7rem;
    }

    .menu-toggle {
        font-size: 0.8rem;
        padding: 0.35rem 0.7rem;
    }

    .main-navigation a {
        font-size: 0.8rem;
        padding: 0.5rem 0.8rem;
    }

    .site-content {
        padding: 0.7rem;
        gap: 1rem;
    }

    .post,
    .page-content {
        padding: 0.8rem;
        margin-bottom: 1rem;
        border-left-width: 2px;
    }

    .entry-title {
        font-size: 1.05rem;
        word-break: break-word;
    }

    .entry-meta {
        font-size: 0.72rem;
        gap: 0.5rem;
    }

    .entry-content {
        font-size: 0.92rem;
        line-height: 1.7;
    }

    .entry-content pre {
        font-size: 0.75rem;
        padding: 0.7rem;
        -webkit-overflow-scrolling: touch;
    }

    .entry-content code {
        font-size: 0.82em;
        word-break: break-all;
    }

    .entry-content blockquote {
        padding: 0.6rem 0.8rem;
        margin: 0.8rem 0;
    }

    .read-more-link {
        font-size: 0.8rem;
        padding: 0.25rem 0.6rem;
    }

    .entry-footer {
        font-size: 0.72rem;
    }

    .pagination .page-numbers {
        padding: 0.35rem 0.6rem;
        font-size: 0.8rem;
    }

    .widget {
        padding: 0.9rem;
        margin-bottom: 1rem;
    }

    .widget-title {
        font-size: 0.88rem;
    }

    .widget li {
        font-size: 0.85rem;
    }

    .comments-area {
        padding: 0.8rem;
        margin-top: 1rem;
        border-left-width: 2px;
    }

    .comments-title {
        font-size: 1rem;
    }

    .comment-form input[type="text"],
    .comment-form input[type="email"],
    .comment-form input[type="url"],
    .comment-form textarea {
        font-size: 16px; /* Prevents iOS zoom on focus */
    }

    .site-footer {
        padding: 1rem 0.8rem;
        font-size: 0.72rem;
    }

    .error-404 h1 {
        font-size: 2.5rem;
    }

    .error-404 {
        padding: 2rem 0.8rem;
    }

    .search-form .search-field {
        font-size: 16px; /* Prevents iOS zoom */
    }
}

/* Very small phones */
@media (max-width: 360px) {
    html {
        font-size: 14px;
    }

    .site-title {
        font-size: 1rem;
    }

    .entry-title {
        font-size: 0.95rem;
    }

    .site-content {
        padding: 0.5rem;
    }

    .post,
    .page-content {
        padding: 0.6rem;
    }
}

/* === WordPress Alignment Classes === */
.alignleft {
    float: left;
    margin-right: 1rem;
    margin-bottom: 0.5rem;
}

.alignright {
    float: right;
    margin-left: 1rem;
    margin-bottom: 0.5rem;
}

.aligncenter {
    display: block;
    margin-left: auto;
    margin-right: auto;
}

.wp-caption {
    max-width: 100%;
    background-color: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    padding: 0.3rem;
    border-radius: 3px;
}

.wp-caption-text {
    text-align: center;
    font-size: 0.85rem;
    color: var(--color-text-muted);
    padding: 0.3rem;
    font-family: var(--font-mono);
}

/* Screen reader text */
.screen-reader-text {
    clip: rect(1px, 1px, 1px, 1px);
    position: absolute !important;
    height: 1px;
    width: 1px;
    overflow: hidden;
    word-wrap: normal !important;
}