/*
Theme Name:   j-lab.io
Theme URI:    https://j-lab.io
Author:       Stefan Junger
Author URI:   https://j-lab.io
Description:  Dunkles Magazin-Theme für einen Technik-Blog. Schwarzer Hintergrund mit skizzierten Laborinstrumenten, orange/graue Akzente, OCR-A-Überschriften, Sticky-Header mit UTC/Lokal-Uhr.
Version:      1.0.5
Requires at least: 6.0
Requires PHP: 8.1
License:      GNU General Public License v2 or later
License URI:  https://www.gnu.org/licenses/gpl-2.0.html
Text Domain:  j-lab-io
Tags:         blog, news, dark, one-column, custom-logo, custom-background, featured-images, sticky-post
*/

/* ==========================================================================
   1. Design-Token (CSS-Variablen)
   ========================================================================== */

/* Lokale Einbindung der OCR-A-Schrift */
@font-face {
	font-family: "OCR A Web";
	src: url("assets/fonts/ocr-a.ttf") format("truetype");
	font-weight: 400;
	font-style: normal;
	font-display: swap; /* Text sofort mit Ersatzschrift anzeigen, dann tauschen */
}

:root {
	--jlab-bg:          #050505; /* Grundfläche: Schwarz */
	--jlab-panel:       #101113; /* Karten / Panels */
	--jlab-line:        #23262a; /* Trennlinien */
	--jlab-text:        #d9d9d6; /* Fließtext */
	--jlab-muted:       #8b9096; /* Sekundärtext (Grau) */
	--jlab-accent:      #ff7300; /* Primärakzent (Orange) */
	--jlab-accent-soft: #ff9433; /* Hover-Variante */
	--jlab-font-head:   "OCR A Web", "OCR A Extended", "OCR A", "OCRB", "Courier New", monospace;
	--jlab-font-body:   Arial, "Helvetica Neue", Helvetica, sans-serif;
	--jlab-maxwidth:    1240px;
	--jlab-radius:      4px;
}

/* ==========================================================================
   2. Basis
   ========================================================================== */

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

html {
	scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
	html {
		scroll-behavior: auto;
	}
	*,
	*::before,
	*::after {
		animation-duration: 0.01ms !important;
		transition-duration: 0.01ms !important;
	}
}

body {
	margin: 0;
	background-color: var(--jlab-bg);
	/* Skizzierte Instrumente als dezentes Hintergrundmuster (SVG, lokal) */
	background-image: url("assets/img/sketch-bg.svg");
	background-attachment: fixed;
	background-size: 900px auto;
	color: var(--jlab-text);
	font-family: var(--jlab-font-body);
	font-size: 17px;
	line-height: 1.65;
}

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

a {
	color: var(--jlab-accent);
	text-decoration: none;
}

a:hover,
a:focus {
	color: var(--jlab-accent-soft);
	text-decoration: underline;
}

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

h1, h2, h3, h4, h5, h6 {
	font-family: var(--jlab-font-head);
	font-weight: 400;
	letter-spacing: 0.02em;
	line-height: 1.25;
	color: #ffffff;
	margin: 1.4em 0 0.5em;
}

h1 { font-size: 2.1rem; }
h2 { font-size: 1.6rem; }
h3 { font-size: 1.3rem; }

.screen-reader-text {
	position: absolute !important;
	clip-path: inset(50%);
	width: 1px;
	height: 1px;
	overflow: hidden;
	white-space: nowrap;
}

.jlab-container {
	max-width: var(--jlab-maxwidth);
	margin: 0 auto;
	padding: 0 20px;
}

/* ==========================================================================
   3. Header (sticky) mit Logo, Uhr, Menü und Suche
   ========================================================================== */

.site-header {
	position: sticky;
	top: 0;
	z-index: 100;
	background: rgba(5, 5, 5, 0.94);
	backdrop-filter: blur(4px);
	border-bottom: 1px solid var(--jlab-line);
}

.site-header__top {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 20px;
	padding: 14px 0 10px;
}

.site-branding {
	display: flex;
	align-items: center;
	gap: 14px;
	min-width: 0;
}

.site-branding .custom-logo {
	max-height: 56px;
	width: auto;
}

.site-title {
	margin: 0;
	font-family: var(--jlab-font-head);
	font-size: 1.5rem;
}

.site-title a {
	color: #ffffff;
}

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

/* Untertitel: mittig zwischen Logo (links) und Uhr (rechts) */
.site-description {
	flex: 1;
	margin: 0;
	text-align: center;
	font-family: var(--jlab-font-body);
	font-size: 0.85rem;
	letter-spacing: 0.06em;
	color: var(--jlab-muted);
}

/* Doppeluhr: UTC + Lokalzeit */
.jlab-clock {
	font-family: var(--jlab-font-head);
	font-size: 0.85rem;
	color: var(--jlab-muted);
	text-align: right;
	white-space: nowrap;
}

.jlab-clock__row {
	display: block;
}

.jlab-clock__label {
	color: var(--jlab-accent);
	margin-right: 6px;
}

/* Menüleiste */
.site-header__nav {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 16px;
	border-top: 1px solid var(--jlab-line);
	padding: 6px 0;
}

.main-navigation ul {
	list-style: none;
	margin: 0;
	padding: 0;
	display: flex;
	flex-wrap: wrap;
}

.main-navigation li {
	position: relative;
}

.main-navigation a {
	display: block;
	padding: 8px 14px;
	font-family: var(--jlab-font-head);
	font-size: 0.9rem;
	color: var(--jlab-text);
	text-transform: uppercase;
}

.main-navigation a:hover,
.main-navigation a:focus {
	color: var(--jlab-accent);
	text-decoration: none;
}

.main-navigation .current-menu-item > a,
.main-navigation .current-menu-ancestor > a {
	color: var(--jlab-accent);
}

/* Popup-/Pulldown-Untermenüs */
.main-navigation .sub-menu {
	position: absolute;
	top: 100%;
	left: 0;
	min-width: 220px;
	background: var(--jlab-panel);
	border: 1px solid var(--jlab-line);
	border-top: 2px solid var(--jlab-accent);
	display: none;
	flex-direction: column;
	z-index: 200;
}

.main-navigation li:hover > .sub-menu,
.main-navigation li:focus-within > .sub-menu {
	display: flex;
}

.main-navigation .sub-menu a {
	text-transform: none;
	font-family: var(--jlab-font-body);
	font-size: 0.9rem;
	padding: 10px 14px;
	border-bottom: 1px solid var(--jlab-line);
}

.main-navigation .sub-menu li:last-child a {
	border-bottom: 0;
}

/* Pfeil-Indikator für Einträge mit Untermenü */
.main-navigation .menu-item-has-children > a::after {
	content: " ▾";
	color: var(--jlab-muted);
}

/* Suchfeld in der Menüleiste */
.header-search .search-form {
	display: flex;
	gap: 6px;
}

.header-search .search-field {
	background: var(--jlab-panel);
	border: 1px solid var(--jlab-line);
	border-radius: var(--jlab-radius);
	color: var(--jlab-text);
	padding: 6px 10px;
	font-family: var(--jlab-font-body);
	font-size: 0.85rem;
	width: 180px;
}

.header-search .search-field:focus {
	outline: none;
	border-color: var(--jlab-accent);
}

.header-search .search-submit {
	background: var(--jlab-accent);
	border: 0;
	border-radius: var(--jlab-radius);
	color: #000000;
	font-family: var(--jlab-font-head);
	font-size: 0.8rem;
	padding: 6px 12px;
	cursor: pointer;
}

.header-search .search-submit:hover {
	background: var(--jlab-accent-soft);
}

/* Mobiler Menü-Umschalter */
.menu-toggle {
	display: none;
	background: transparent;
	border: 1px solid var(--jlab-line);
	border-radius: var(--jlab-radius);
	color: var(--jlab-text);
	font-family: var(--jlab-font-head);
	padding: 8px 14px;
	cursor: pointer;
}

/* ==========================================================================
   4. Hero-Bereich (Startseite)
   ========================================================================== */

.jlab-hero {
	padding: 70px 0 50px;
	border-bottom: 1px solid var(--jlab-line);
}

.jlab-hero__kicker {
	font-family: var(--jlab-font-head);
	color: var(--jlab-accent);
	font-size: 0.9rem;
	letter-spacing: 0.2em;
	text-transform: uppercase;
	margin: 0 0 10px;
}

.jlab-hero__title {
	font-size: clamp(2.2rem, 5vw, 3.6rem);
	margin: 0 0 14px;
}

.jlab-hero__text {
	max-width: 640px;
	color: var(--jlab-muted);
	font-size: 1.05rem;
	margin: 0;
}

/* ==========================================================================
   5. Beitragskarten und Raster
   ========================================================================== */

.jlab-section {
	padding: 45px 0;
}

.jlab-section__title {
	display: flex;
	align-items: center;
	gap: 14px;
	font-size: 1.1rem;
	text-transform: uppercase;
	letter-spacing: 0.15em;
	color: var(--jlab-accent);
	margin: 0 0 24px;
}

.jlab-section__title::after {
	content: "";
	flex: 1;
	height: 1px;
	background: var(--jlab-line);
}

/* Feature-Block: 2 angeheftete Beiträge */
.jlab-grid--featured {
	display: grid;
	grid-template-columns: repeat(2, 1fr);
	gap: 24px;
}

/* Neueste Beiträge: 2 Zeilen à 3 Spalten */
.jlab-grid--latest {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 24px;
}

.jlab-card {
	background: var(--jlab-panel);
	border: 1px solid var(--jlab-line);
	border-radius: var(--jlab-radius);
	overflow: hidden;
	display: flex;
	flex-direction: column;
	transition: border-color 0.2s ease, transform 0.2s ease;
}

.jlab-card:hover {
	border-color: var(--jlab-accent);
	transform: translateY(-3px);
}

.jlab-card__thumb img {
	width: 100%;
	aspect-ratio: 16 / 9;
	object-fit: cover;
}

.jlab-card__body {
	padding: 16px 18px 20px;
	display: flex;
	flex-direction: column;
	flex: 1;
}

.jlab-card__meta {
	font-family: var(--jlab-font-head);
	font-size: 0.72rem;
	color: var(--jlab-muted);
	text-transform: uppercase;
	letter-spacing: 0.08em;
	margin: 0 0 8px;
}

.jlab-card__meta a {
	color: var(--jlab-accent);
}

.jlab-card__title {
	font-size: 1.05rem;
	margin: 0 0 10px;
}

.jlab-card--featured .jlab-card__title {
	font-size: 1.35rem;
}

.jlab-card__title a {
	color: #ffffff;
}

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

.jlab-card__excerpt {
	color: var(--jlab-muted);
	font-size: 0.92rem;
	margin: 0;
}

.jlab-badge {
	display: inline-block;
	background: var(--jlab-accent);
	color: #000000;
	font-family: var(--jlab-font-head);
	font-size: 0.68rem;
	text-transform: uppercase;
	padding: 3px 8px;
	border-radius: var(--jlab-radius);
	margin-bottom: 10px;
	align-self: flex-start;
}

/* ==========================================================================
   6. Inhaltsseiten (Einzelbeitrag, Seite, Archiv)
   ========================================================================== */

.site-main {
	padding: 45px 0 70px;
}

.jlab-article {
	max-width: 800px;
	margin: 0 auto;
	background: var(--jlab-panel);
	border: 1px solid var(--jlab-line);
	border-radius: var(--jlab-radius);
	padding: 40px;
}

.jlab-article--fullwidth {
	max-width: none;
}

.entry-header .entry-title {
	margin-top: 0;
}

.entry-meta {
	font-family: var(--jlab-font-head);
	font-size: 0.8rem;
	color: var(--jlab-muted);
	text-transform: uppercase;
	letter-spacing: 0.08em;
	margin-bottom: 24px;
}

.entry-meta a {
	color: var(--jlab-accent);
}

.entry-thumbnail {
	margin: 0 0 28px;
	border-radius: var(--jlab-radius);
	overflow: hidden;
}

.entry-content h2,
.entry-content h3 {
	color: var(--jlab-accent-soft);
}

.entry-content pre,
.entry-content code {
	font-family: var(--jlab-font-head);
	background: #000000;
	border: 1px solid var(--jlab-line);
	border-radius: var(--jlab-radius);
	color: #9fe8a0;
}

.entry-content code {
	padding: 2px 6px;
	font-size: 0.85em;
}

.entry-content pre {
	padding: 16px;
	overflow-x: auto;
}

.entry-content pre code {
	border: 0;
	padding: 0;
}

.entry-content blockquote {
	border-left: 3px solid var(--jlab-accent);
	margin: 1.5em 0;
	padding: 4px 0 4px 20px;
	color: var(--jlab-muted);
	font-style: italic;
}

.entry-footer {
	margin-top: 30px;
	padding-top: 20px;
	border-top: 1px solid var(--jlab-line);
	font-size: 0.85rem;
	color: var(--jlab-muted);
}

/* Archiv-Kopf */
.page-header .page-title {
	margin-top: 0;
}

.archive-description {
	color: var(--jlab-muted);
}

/* Seitennummerierung */
.jlab-pagination {
	margin-top: 40px;
	text-align: center;
	font-family: var(--jlab-font-head);
}

.jlab-pagination .page-numbers {
	display: inline-block;
	padding: 8px 14px;
	margin: 0 3px;
	border: 1px solid var(--jlab-line);
	border-radius: var(--jlab-radius);
	color: var(--jlab-text);
}

.jlab-pagination .page-numbers.current {
	background: var(--jlab-accent);
	border-color: var(--jlab-accent);
	color: #000000;
}

.jlab-pagination a.page-numbers:hover {
	border-color: var(--jlab-accent);
	text-decoration: none;
}

/* Beitragsnavigation (vorheriger/nächster) */
.post-navigation .nav-links {
	display: flex;
	justify-content: space-between;
	gap: 20px;
	margin-top: 40px;
	font-size: 0.9rem;
}

/* ==========================================================================
   7. Kommentare
   ========================================================================== */

.comments-area {
	max-width: 800px;
	margin: 40px auto 0;
}

.comment-list {
	list-style: none;
	padding: 0;
}

.comment-list .comment {
	background: var(--jlab-panel);
	border: 1px solid var(--jlab-line);
	border-radius: var(--jlab-radius);
	padding: 18px;
	margin-bottom: 16px;
}

.comment-list .children {
	list-style: none;
	margin-top: 16px;
	padding-left: 24px;
	border-left: 2px solid var(--jlab-line);
}

.comment-author img {
	border-radius: 50%;
	display: inline-block;
	vertical-align: middle;
	margin-right: 8px;
}

.comment-metadata {
	font-size: 0.78rem;
	color: var(--jlab-muted);
}

.comment-form label {
	display: block;
	font-family: var(--jlab-font-head);
	font-size: 0.8rem;
	text-transform: uppercase;
	color: var(--jlab-muted);
	margin-bottom: 4px;
}

.comment-form input[type="text"],
.comment-form input[type="email"],
.comment-form input[type="url"],
.comment-form textarea {
	width: 100%;
	background: var(--jlab-panel);
	border: 1px solid var(--jlab-line);
	border-radius: var(--jlab-radius);
	color: var(--jlab-text);
	padding: 10px;
	margin-bottom: 14px;
	font-family: var(--jlab-font-body);
}

.comment-form input:focus,
.comment-form textarea:focus {
	outline: none;
	border-color: var(--jlab-accent);
}

.comment-form .submit {
	background: var(--jlab-accent);
	border: 0;
	border-radius: var(--jlab-radius);
	color: #000000;
	font-family: var(--jlab-font-head);
	padding: 10px 22px;
	cursor: pointer;
}

.comment-form .submit:hover {
	background: var(--jlab-accent-soft);
}

/* ==========================================================================
   8. Footer
   ========================================================================== */

.site-footer {
	border-top: 1px solid var(--jlab-line);
	background: #000000;
	padding: 26px 0;
	text-align: center;
	font-family: var(--jlab-font-head);
	font-size: 0.8rem;
	color: var(--jlab-muted);
}

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

.site-footer a:hover {
	color: var(--jlab-accent);
}

/* ==========================================================================
   9. Responsivität (PC first, dann Tablet und Smartphone)
   ========================================================================== */

@media (max-width: 900px) {
	.jlab-grid--latest {
		grid-template-columns: repeat(2, 1fr);
	}

	.header-search .search-field {
		width: 130px;
	}
}

@media (max-width: 680px) {
	.site-header__top {
		flex-wrap: wrap;
	}

	.jlab-clock {
		font-size: 0.72rem;
	}

	.menu-toggle {
		display: inline-block;
	}

	.site-header__nav {
		flex-wrap: wrap;
	}

	.main-navigation {
		flex-basis: 100%;
		order: 3;
	}

	/* Menü mobil: eingeklappt, per Button umschaltbar */
	.main-navigation ul {
		display: none;
		flex-direction: column;
		width: 100%;
	}

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

	.main-navigation .sub-menu {
		position: static;
		border: 0;
		border-left: 2px solid var(--jlab-accent);
		display: none;
	}

	.main-navigation.toggled .sub-menu {
		display: flex;
	}

	.jlab-grid--featured,
	.jlab-grid--latest {
		grid-template-columns: 1fr;
	}

	.jlab-article {
		padding: 24px 18px;
	}

	.header-search {
		flex: 1;
	}

	.header-search .search-field {
		width: 100%;
	}
	
	.site-description {
		flex-basis: 100%;
		order: 3;
		font-size: 0.75rem;
		margin-top: 6px;
	}
	
}