/*
Theme Name: Testbed Modern
Theme URI: https://example.com/
Author: WebThinker
Description: Schlichtes, modernes Standard-Theme für Testsysteme. Mit Hell-/Dunkelmodus, Karten-Layout, Widget-Bereichen und voller Block-Editor-Unterstützung.
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.8
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: testbed-modern
Tags: blog, one-column, two-columns, custom-logo, custom-menu, featured-images, threaded-comments, translation-ready, wide-blocks, block-styles, accessibility-ready
*/

/* ==========================================================================
   Design-Tokens
   ========================================================================== */
:root {
	--tm-bg: #f6f7f9;
	--tm-surface: #ffffff;
	--tm-surface-alt: #eef0f4;
	--tm-text: #1a2030;
	--tm-muted: #5a6478;
	--tm-border: #dfe3ea;
	--tm-accent: #2d5be3;
	--tm-accent-hover: #1f45bd;
	--tm-accent-contrast: #ffffff;
	--tm-shadow: 0 1px 2px rgba(20, 28, 48, .06), 0 8px 24px rgba(20, 28, 48, .06);
	--tm-radius: 14px;
	--tm-radius-sm: 8px;
	--tm-content: 720px;
	--tm-wide: 1160px;
	--tm-font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
	--tm-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

:root[data-theme="dark"] {
	--tm-bg: #0f131c;
	--tm-surface: #171c28;
	--tm-surface-alt: #1f2533;
	--tm-text: #e8ebf2;
	--tm-muted: #9aa4b8;
	--tm-border: #2a3143;
	--tm-accent: #7a9bff;
	--tm-accent-hover: #a2b9ff;
	--tm-accent-contrast: #0f131c;
	--tm-shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 8px 24px rgba(0, 0, 0, .3);
}

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

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

body {
	margin: 0;
	background: var(--tm-bg);
	color: var(--tm-text);
	font-family: var(--tm-font);
	font-size: 1.0625rem;
	line-height: 1.7;
	-webkit-font-smoothing: antialiased;
	display: flex;
	flex-direction: column;
	min-height: 100vh;
}

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

a { color: var(--tm-accent); text-underline-offset: .18em; }
a:hover { color: var(--tm-accent-hover); }

:focus-visible {
	outline: 3px solid var(--tm-accent);
	outline-offset: 3px;
	border-radius: 4px;
}

h1, h2, h3, h4, h5, h6 {
	line-height: 1.2;
	letter-spacing: -.02em;
	margin: 2em 0 .6em;
	font-weight: 700;
}
h1 { font-size: clamp(2rem, 4vw + 1rem, 3rem); margin-top: 0; }
h2 { font-size: clamp(1.5rem, 2vw + 1rem, 2rem); }
h3 { font-size: 1.35rem; }
h4 { font-size: 1.15rem; }

p { margin: 0 0 1.25em; }

blockquote {
	margin: 2em 0;
	padding: .25em 0 .25em 1.5em;
	border-left: 4px solid var(--tm-accent);
	color: var(--tm-muted);
	font-size: 1.15em;
}
blockquote cite { display: block; margin-top: .5em; font-size: .85em; font-style: normal; }

code, kbd, pre { font-family: var(--tm-mono); font-size: .9em; }
code { background: var(--tm-surface-alt); padding: .15em .4em; border-radius: 6px; }
pre {
	background: var(--tm-surface-alt);
	border: 1px solid var(--tm-border);
	padding: 1.1em 1.3em;
	border-radius: var(--tm-radius-sm);
	overflow-x: auto;
}
pre code { background: none; padding: 0; }

hr { border: 0; border-top: 1px solid var(--tm-border); margin: 2.5em 0; }

table { width: 100%; border-collapse: collapse; margin: 0 0 1.5em; }
th, td { padding: .7em .9em; border-bottom: 1px solid var(--tm-border); text-align: left; }
th { background: var(--tm-surface-alt); }

.screen-reader-text {
	border: 0; clip: rect(1px, 1px, 1px, 1px); clip-path: inset(50%);
	height: 1px; margin: -1px; overflow: hidden; padding: 0;
	position: absolute; width: 1px; word-wrap: normal !important;
}
.screen-reader-text:focus {
	background: var(--tm-surface); color: var(--tm-text); clip: auto; clip-path: none;
	height: auto; width: auto; padding: .8em 1.2em; left: 1rem; top: 1rem; z-index: 100000;
	border-radius: var(--tm-radius-sm); box-shadow: var(--tm-shadow);
}

.tm-container { width: min(100% - 2.5rem, var(--tm-wide)); margin-inline: auto; }
.tm-narrow { width: min(100% - 2.5rem, var(--tm-content)); margin-inline: auto; }

/* ==========================================================================
   Header
   ========================================================================== */
.site-header {
	position: sticky;
	top: 0;
	z-index: 50;
	background: color-mix(in srgb, var(--tm-surface) 85%, transparent);
	-webkit-backdrop-filter: saturate(180%) blur(14px);
	backdrop-filter: saturate(180%) blur(14px);
	border-bottom: 1px solid var(--tm-border);
}
.admin-bar .site-header { top: 32px; }
@media (max-width: 782px) { .admin-bar .site-header { top: 46px; } }

.site-header__inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 1.5rem;
	min-height: 68px;
}

.site-branding { display: flex; align-items: center; gap: .75rem; min-width: 0; }
.site-branding .custom-logo { max-height: 40px; width: auto; }
.site-title { margin: 0; font-size: 1.2rem; font-weight: 800; letter-spacing: -.03em; line-height: 1.1; }
.site-title a { color: var(--tm-text); text-decoration: none; }
.site-description { margin: 0; font-size: .8rem; color: var(--tm-muted); line-height: 1.2; }

.main-navigation ul { list-style: none; margin: 0; padding: 0; display: flex; gap: .25rem; align-items: center; }
.main-navigation li { position: relative; }
.main-navigation a {
	display: block;
	padding: .5em .9em;
	border-radius: 999px;
	color: var(--tm-text);
	text-decoration: none;
	font-size: .95rem;
	font-weight: 500;
	transition: background-color .15s, color .15s;
}
.main-navigation a:hover,
.main-navigation .current-menu-item > a,
.main-navigation .current_page_item > a { background: var(--tm-surface-alt); color: var(--tm-accent); }

.main-navigation .sub-menu {
	position: absolute; left: 0; top: 100%;
	min-width: 220px; padding: .5rem;
	background: var(--tm-surface); border: 1px solid var(--tm-border);
	border-radius: var(--tm-radius-sm); box-shadow: var(--tm-shadow);
	flex-direction: column; align-items: stretch; gap: 0;
	opacity: 0; visibility: hidden; transform: translateY(6px);
	transition: opacity .15s, transform .15s, visibility .15s;
}
.main-navigation li:hover > .sub-menu,
.main-navigation li:focus-within > .sub-menu { opacity: 1; visibility: visible; transform: none; }
.main-navigation .sub-menu a { border-radius: var(--tm-radius-sm); }

.header-actions { display: flex; align-items: center; gap: .5rem; }

.icon-button {
	appearance: none;
	display: inline-grid; place-items: center;
	width: 42px; height: 42px;
	background: transparent; color: var(--tm-text);
	border: 1px solid var(--tm-border); border-radius: 999px;
	cursor: pointer;
	transition: background-color .15s, border-color .15s;
}
.icon-button:hover { background: var(--tm-surface-alt); border-color: var(--tm-muted); }
.icon-button svg { width: 20px; height: 20px; }

.theme-toggle .icon-sun { display: none; }
:root[data-theme="dark"] .theme-toggle .icon-sun { display: block; }
:root[data-theme="dark"] .theme-toggle .icon-moon { display: none; }

.menu-toggle { display: none; }

@media (max-width: 860px) {
	.menu-toggle { display: inline-grid; }
	.main-navigation {
		position: absolute; left: 0; right: 0; top: 100%;
		background: var(--tm-surface);
		border-bottom: 1px solid var(--tm-border);
		padding: .75rem 1.25rem 1.25rem;
		display: none;
	}
	.main-navigation.is-open { display: block; }
	.main-navigation ul { flex-direction: column; align-items: stretch; }
	.main-navigation .sub-menu {
		position: static; opacity: 1; visibility: visible; transform: none;
		border: 0; box-shadow: none; padding: 0 0 0 1rem; background: transparent;
	}
}

/* ==========================================================================
   Layout
   ========================================================================== */
.site-main { flex: 1 0 auto; padding-block: 3rem 5rem; }

.page-hero {
	padding: 4rem 0 2.5rem;
	border-bottom: 1px solid var(--tm-border);
	background:
		radial-gradient(60rem 20rem at 85% -10%, color-mix(in srgb, var(--tm-accent) 14%, transparent), transparent 70%),
		var(--tm-bg);
}
.page-hero h1 { margin-bottom: .4em; max-width: 18ch; }
.page-hero p { color: var(--tm-muted); font-size: 1.2rem; max-width: 52ch; margin: 0; }
.archive-description { color: var(--tm-muted); }

/* ==========================================================================
   Karten-Grid
   ========================================================================== */
.post-grid {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(min(100%, 320px), 1fr));
	gap: 1.75rem;
	margin-top: 3rem;
}

.card {
	display: flex; flex-direction: column;
	background: var(--tm-surface);
	border: 1px solid var(--tm-border);
	border-radius: var(--tm-radius);
	overflow: hidden;
	transition: transform .2s ease, box-shadow .2s ease;
}
.card:hover { transform: translateY(-3px); box-shadow: var(--tm-shadow); }

.card__media { aspect-ratio: 16 / 9; background: var(--tm-surface-alt); overflow: hidden; display: block; }
.card__media img { width: 100%; height: 100%; object-fit: cover; display: block; }
.card__placeholder {
	width: 100%; height: 100%;
	background: linear-gradient(135deg, color-mix(in srgb, var(--tm-accent) 28%, var(--tm-surface-alt)), var(--tm-surface-alt));
}

.card__body { display: flex; flex-direction: column; gap: .6rem; padding: 1.4rem 1.5rem 1.6rem; flex: 1; }
.card__title { margin: 0; font-size: 1.25rem; line-height: 1.3; }
.card__title a { color: var(--tm-text); text-decoration: none; }
.card__title a:hover { color: var(--tm-accent); }
.card__excerpt { margin: 0; color: var(--tm-muted); font-size: .98rem; line-height: 1.6; }
.card__excerpt p { margin: 0; }

.meta { display: flex; flex-wrap: wrap; gap: .25rem 1rem; font-size: .88rem; color: var(--tm-muted); }
.meta a { color: inherit; text-decoration: none; }
.meta a:hover { color: var(--tm-accent); }

.card__more { margin-top: auto; padding-top: .5rem; font-weight: 600; font-size: .95rem; text-decoration: none; }

/* ==========================================================================
   Einzelbeitrag / Seite
   ========================================================================== */
.entry-header { margin-bottom: 2rem; }
.entry-header .meta { margin-top: 1rem; }

.entry-thumbnail { margin: 0 0 2.5rem; border-radius: var(--tm-radius); overflow: hidden; }
.entry-thumbnail img { display: block; width: 100%; }

.entry-content > * { margin-block: 0 1.25em; }
.entry-content > h2, .entry-content > h3, .entry-content > h4 { margin-top: 2em; }
.entry-content img { border-radius: var(--tm-radius-sm); }
.entry-content ul, .entry-content ol { padding-left: 1.4em; }
.entry-content li { margin-bottom: .35em; }

.entry-content .alignwide { width: min(100vw - 2.5rem, var(--tm-wide)); margin-inline: 50%; transform: translateX(-50%); max-width: none; }
.entry-content .alignfull { width: 100vw; margin-inline: 50%; transform: translateX(-50%); max-width: none; }
.alignleft { float: left; margin: .3em 1.5em 1em 0; }
.alignright { float: right; margin: .3em 0 1em 1.5em; }
.aligncenter { display: block; margin-inline: auto; }
.wp-caption-text, figcaption { font-size: .85rem; color: var(--tm-muted); margin-top: .5em; text-align: center; }

.entry-footer { margin-top: 3rem; padding-top: 1.5rem; border-top: 1px solid var(--tm-border); }
.tag-list { display: flex; flex-wrap: wrap; gap: .5rem; }
.tag-list a {
	padding: .3em .85em; border-radius: 999px;
	background: var(--tm-surface-alt); color: var(--tm-text);
	font-size: .85rem; text-decoration: none;
}
.tag-list a:hover { background: var(--tm-accent); color: var(--tm-accent-contrast); }

.post-navigation .nav-links { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-top: 3rem; }
.post-navigation a {
	display: block; padding: 1.1rem 1.3rem;
	background: var(--tm-surface); border: 1px solid var(--tm-border);
	border-radius: var(--tm-radius-sm); color: var(--tm-text); text-decoration: none;
}
.post-navigation a:hover { border-color: var(--tm-accent); }
.post-navigation .nav-next { text-align: right; grid-column: 2; }
.post-navigation .nav-subtitle { display: block; font-size: .8rem; color: var(--tm-muted); margin-bottom: .2rem; }
.post-navigation .nav-title { font-weight: 600; }

/* ==========================================================================
   Buttons & Formulare
   ========================================================================== */
.button,
.wp-block-button__link,
button[type="submit"],
input[type="submit"],
.comment-form .submit {
	display: inline-block;
	padding: .7em 1.4em;
	background: var(--tm-accent);
	color: var(--tm-accent-contrast);
	border: 0; border-radius: 999px;
	font: inherit; font-weight: 600; font-size: .95rem;
	text-decoration: none; cursor: pointer;
	transition: background-color .15s, transform .15s;
}
.button:hover,
.wp-block-button__link:hover,
button[type="submit"]:hover,
input[type="submit"]:hover { background: var(--tm-accent-hover); color: var(--tm-accent-contrast); }

input[type="text"], input[type="email"], input[type="url"], input[type="password"],
input[type="search"], input[type="number"], input[type="tel"], textarea, select {
	width: 100%;
	padding: .7em 1em;
	background: var(--tm-surface); color: var(--tm-text);
	border: 1px solid var(--tm-border); border-radius: var(--tm-radius-sm);
	font: inherit;
}
input:focus, textarea:focus, select:focus {
	outline: 3px solid color-mix(in srgb, var(--tm-accent) 35%, transparent);
	border-color: var(--tm-accent);
}
label { display: block; font-weight: 600; margin-bottom: .35em; font-size: .92rem; }

.search-form { display: flex; gap: .6rem; }
.search-form .search-field { flex: 1; }

/* ==========================================================================
   Pagination
   ========================================================================== */
.pagination { margin-top: 3.5rem; }
.pagination .nav-links { display: flex; flex-wrap: wrap; gap: .4rem; justify-content: center; }
.pagination .page-numbers {
	min-width: 42px; height: 42px; padding: 0 .9em;
	display: inline-grid; place-items: center;
	background: var(--tm-surface); border: 1px solid var(--tm-border);
	border-radius: 999px; color: var(--tm-text); text-decoration: none; font-weight: 500;
}
.pagination a.page-numbers:hover { border-color: var(--tm-accent); color: var(--tm-accent); }
.pagination .page-numbers.current { background: var(--tm-accent); border-color: var(--tm-accent); color: var(--tm-accent-contrast); }

/* ==========================================================================
   Kommentare
   ========================================================================== */
.comments-area { margin-top: 4rem; }
.comments-title { font-size: 1.4rem; margin-top: 0; }
.comment-list, .comment-list .children { list-style: none; padding: 0; margin: 0; }
.comment-list .children { margin-left: 1.5rem; padding-left: 1.25rem; border-left: 2px solid var(--tm-border); }
.comment-body {
	background: var(--tm-surface); border: 1px solid var(--tm-border);
	border-radius: var(--tm-radius-sm); padding: 1.2rem 1.4rem; margin-bottom: 1rem;
}
.comment-meta { font-size: .88rem; color: var(--tm-muted); margin-bottom: .6rem; }
.comment-author .avatar { border-radius: 50%; vertical-align: middle; margin-right: .5rem; }
.comment-author .fn { font-weight: 700; font-style: normal; color: var(--tm-text); }
.comment-metadata a { color: inherit; text-decoration: none; }
.reply a { font-size: .88rem; font-weight: 600; text-decoration: none; }
.comment-respond { margin-top: 2.5rem; }
.comment-form p { margin-bottom: 1.1rem; }
.comment-form-cookies-consent { display: flex; gap: .6rem; align-items: baseline; }
.comment-form-cookies-consent input { width: auto; }
.comment-form-cookies-consent label { display: inline; font-weight: 400; }

/* ==========================================================================
   Widgets & Footer
   ========================================================================== */
.widget { margin-bottom: 2rem; }
.widget-title { font-size: 1rem; margin: 0 0 .8em; }
.widget ul { list-style: none; padding: 0; margin: 0; }
.widget li { padding: .3em 0; }
.widget a { text-decoration: none; }
.widget a:hover { text-decoration: underline; }

.site-footer {
	flex-shrink: 0;
	background: var(--tm-surface);
	border-top: 1px solid var(--tm-border);
	padding: 3.5rem 0 2rem;
	color: var(--tm-muted);
	font-size: .95rem;
}
.footer-widgets {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
	gap: 2rem;
	padding-bottom: 2rem;
	margin-bottom: 2rem;
	border-bottom: 1px solid var(--tm-border);
}
.footer-widgets .widget-title { color: var(--tm-text); }
.site-footer__bottom { display: flex; flex-wrap: wrap; gap: 1rem; justify-content: space-between; align-items: center; }
.footer-navigation ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 1.25rem; }
.footer-navigation a { color: var(--tm-muted); text-decoration: none; }
.footer-navigation a:hover { color: var(--tm-accent); }

/* ==========================================================================
   404 / Leere Zustände
   ========================================================================== */
.empty-state { text-align: center; padding: 3rem 0; }
.empty-state p { color: var(--tm-muted); }
.empty-state .search-form { max-width: 460px; margin: 2rem auto 0; }

/* ==========================================================================
   Reduzierte Bewegung
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
	*, *::before, *::after { transition: none !important; animation: none !important; scroll-behavior: auto !important; }
}