/* ==========================================================
   blog.css — Blog-Styling (self-contained)
   Nutzt Theme-Variablen aus main.css (--color-*, --space-*, --radius-*)
   Layout: Sticky Header, Burger-Menü (Portrait), horizontale Nav (Landscape)
   ========================================================== */

/* ---------- Basis ---------- */
body {
    margin: 0;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background-color: var(--color-bg-primary);
    color: var(--color-text-primary);
    line-height: 1.6;
    /* main.css setzt body auf display:flex — das lässt .blog-main über die Viewport-Breite wachsen (min-content). Blog-Layout braucht block. */
    display: block;
}

/* ---------- Sticky Header ---------- */
.blog-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background-color: var(--color-bg-secondary);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-sm) var(--space-md);
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-md);
}

.blog-logo {
    font-weight: bold;
    font-size: 1.15rem;
    color: var(--color-text-primary);
    text-decoration: none;
    white-space: nowrap;
}

.blog-logo .badge {
    font-size: 0.7rem;
    background: var(--color-bg-accent);
    color: #fff;
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    margin-left: 5px;
    vertical-align: middle;
}

/* ---------- Burger-Button (nur Portrait sichtbar) ---------- */
.burger-btn {
    display: none; /* Landscape: versteckt */
    flex-direction: column;
    justify-content: center;
    gap: 4px;
    width: 36px;
    height: 32px;
    padding: 6px;
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    cursor: pointer;
}

.burger-line {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--color-text-primary);
    border-radius: 1px;
    transition: transform 0.25s ease, opacity 0.25s ease;
}

/* Burger → X Animation */
.burger-btn[aria-expanded="true"] .burger-line:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
}
.burger-btn[aria-expanded="true"] .burger-line:nth-child(2) {
    opacity: 0;
}
.burger-btn[aria-expanded="true"] .burger-line:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
}

/* ---------- Navigation ---------- */
.blog-nav {
    display: flex; /* Landscape: horizontal sichtbar */
    align-items: center;
    gap: var(--space-lg);
    flex: 1;
    min-width: 0;
    overflow-x: auto;
}

.nav-section {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.nav-section-title {
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-text-primary);
    opacity: 0.5;
    padding-left: var(--space-sm);
}

.nav-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    gap: var(--space-md);
}

.nav-list a {
    color: var(--color-text-primary);
    text-decoration: none;
    font-size: 0.9rem;
    white-space: nowrap;
    transition: opacity 0.15s ease;
}

.nav-list a:hover,
.nav-list a:focus-visible {
    opacity: 0.7;
}

/* Overlay hinter Burger-Menü (Portrait) */
.nav-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 998;
}

/* ---------- Zurück-Button ---------- */
.btn-back {
    display: inline-flex;
    align-items: center;
    flex-shrink: 0;
    gap: var(--space-xs);
    background-color: var(--state-bg-error);
    color: var(--state-bg-error-text);
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: bold;
    white-space: nowrap;
    transition: opacity 0.2s ease;
}

.btn-back:hover,
.btn-back:focus-visible {
    opacity: 0.85;
}

/* ---------- Main / Artikel ---------- */
.blog-main {
    padding: var(--space-lg) clamp(12px, 4vw, var(--space-md));
    min-height: calc(100vh - 200px);
    max-width: 900px;
    margin: 0 auto;
    font-size: 1.05rem;
    overflow-x: hidden;
    /* body ist display:flex (main.css) — ohne min-width:0 schrumpft das Item nicht unter Min-Content-Breite */
    min-width: 0;
}

/* Breadcrumb (nur Artikel-Seiten) */
.breadcrumb {
    font-size: 0.85rem;
    margin-bottom: var(--space-md);
    opacity: 0.7;
}

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

.breadcrumb a:hover {
    text-decoration: underline;
}

.breadcrumb-sep {
    margin: 0 6px;
    opacity: 0.5;
}

.blog-article {
    background-color: var(--color-bg-secondary);
    color: var(--color-text-secondary);
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    overflow-wrap: break-word;
}

.article-header h1 {
    font-size: clamp(1.5rem, 4vw, 2.2rem);
    margin: var(--space-xs) 0;
    line-height: 1.2;
}

.article-category {
    color: var(--color-bg-mark-primary);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    font-weight: bold;
}

.article-meta {
    font-size: 0.85rem;
    opacity: 0.6;
    margin-bottom: var(--space-md);
}

/* Fließtext */
.article-content p {
    margin: 0 0 var(--space-md);
    font-size: 1.05rem;
}

.article-content h2 {
    margin-top: var(--space-lg);
    margin-bottom: var(--space-sm);
    font-size: 1.4rem;
}

.article-content h3 {
    margin-top: var(--space-md);
    margin-bottom: var(--space-xs);
    font-size: 1.15rem;
}

.article-content ul,
.article-content ol {
    padding-left: 1.4em;
    margin: 0 0 var(--space-md);
}

.article-content li {
    margin-bottom: var(--space-xs);
}

.article-content blockquote {
    border-left: 3px solid var(--color-bg-accent);
    margin: var(--space-md) 0;
    padding: var(--space-sm) var(--space-md);
    background-color: var(--color-highlight-soft, rgba(255,255,255,0.06));
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    google-auto-ads: ignore !important;
}

.article-content code {
    font-family: "Cascadia Code", Consolas, monospace;
    font-size: 0.9em;
    background-color: rgba(255, 255, 255, 0.1);
    padding: 1px 5px;
    border-radius: var(--radius-sm);
}

.article-content pre {
    background-color: rgba(0, 0, 0, 0.35);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    overflow-x: auto;
    margin: 0 0 var(--space-md);
}

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

.article-content a {
    color: var(--color-text-secondary);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.article-content a:hover,
.article-content a:focus-visible {
    opacity: 0.8;
}

.article-content img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-md);
}

.article-content .img-center {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.article-content figure.img-center {
    margin: var(--space-lg) 0;
}

.article-content figcaption {
    font-size: 0.85rem;
    color: var(--color-text-muted, #6b7280);
    text-align: center;
    margin-top: 0.5em;
}

.article-content hr {
    border: none;
    border-top: 1px solid var(--color-border);
    margin: var(--space-lg) 0;
}

/* Tabellen */
.md-table-wrap {
    overflow-x: auto;
    margin: 0 0 var(--space-md);
    google-auto-ads: ignore !important;
}

.article-content table {
    width: 100%;
    min-width: 540px;
    border-collapse: collapse;
    font-size: 0.95rem;
}

.article-content th,
.article-content td {
    padding: var(--space-xs) var(--space-sm);
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}

.article-content th {
    font-weight: bold;
    opacity: 0.85;
    white-space: nowrap;
}

/* ---------- Übersicht ---------- */
.blog-overview h1 {
    font-size: clamp(1.5rem, 4vw, 2rem);
    margin: 0 0 var(--space-xs);
}

.overview-subtitle {
    opacity: 0.7;
    margin: 0 0 var(--space-lg);
}

.overview-empty {
    opacity: 0.6;
    font-style: italic;
}

.overview-category h2 {
    font-size: 1.1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin: var(--space-lg) 0 var(--space-sm);
    padding-bottom: var(--space-xs);
    border-bottom: 1px solid var(--color-border);
}

.article-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: var(--space-sm);
}

.article-card {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: var(--space-md);
    background-color: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-sm) var(--space-md);
    text-decoration: none;
    color: var(--color-text-primary);
    transition: border-color 0.15s ease, background-color 0.15s ease;
}

.article-card:hover,
.article-card:focus-visible {
    border-color: var(--color-bg-accent);
}

.article-card-title {
    font-weight: 600;
}

.article-card-date {
    font-size: 0.8rem;
    opacity: 0.55;
    white-space: nowrap;
}

/* ---------- Suche ---------- */
.blog-search {
    position: relative;
    margin-bottom: var(--space-lg);
}

.search-input {
    width: 100%;
    box-sizing: border-box;
    padding: 10px var(--space-md);
    font-size: 1rem;
    color: var(--color-text-primary);
    background-color: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    outline: none;
}

.search-input:focus {
    border-color: var(--color-bg-accent);
}

.search-results {
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    right: 0;
    z-index: 100;
    background-color: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
    max-height: 320px;
    overflow-y: auto;
}

.search-result-item {
    display: block;
    padding: var(--space-sm) var(--space-md);
    text-decoration: none;
    color: var(--color-text-primary);
    border-bottom: 1px solid var(--color-border);
}

.search-result-item:last-child {
    border-bottom: none;
}

.search-result-item:hover,
.search-result-item:focus-visible {
    background-color: var(--color-highlight-soft, rgba(255,255,255,0.08));
}

.search-result-title {
    font-weight: 600;
    display: block;
}

.search-result-cat {
    font-size: 0.75rem;
    opacity: 0.55;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.search-no-results {
    padding: var(--space-sm) var(--space-md);
    opacity: 0.6;
    font-style: italic;
}

/* ---------- Footer ---------- */
.blog-footer {
    background-color: var(--color-bg-primary);
    border-top: 1px solid var(--color-border);
    padding: var(--space-lg) var(--space-md);
    font-size: 0.85rem;
    text-align: center;
    opacity: 0.85;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
}

.footer-links {
    margin-top: var(--space-sm);
}

.footer-links a {
    color: var(--color-text-primary);
    text-decoration: none;
    margin: 0 10px;
    opacity: 0.75;
}

.footer-links a:hover,
.footer-links a:focus-visible {
    opacity: 1;
    text-decoration: underline;
}

.legal-note {
    margin-top: var(--space-sm);
    font-size: 0.75rem;
    max-width: 640px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.4;
}

.feedback-line {
    margin-top: var(--space-xs);
}

.feedback-line a {
    color: var(--color-text-primary);
    text-decoration: underline;
    opacity: 0.85;
}

/* ---------- 404 ---------- */
.blog-404 {
    text-align: center;
    padding: var(--space-lg) 0;
}

.blog-404 h1 {
    font-size: 3rem;
    margin-bottom: var(--space-xs);
}

/* ==========================================================
   RESPONSIVE
   ========================================================== */

/* Portrait (Handy): Burger-Menü statt horizontaler Nav */
@media (orientation: portrait) {
    /* Logo links, Burger + Back-Button rechts gruppiert */
    .burger-btn {
        display: inline-flex;
        margin-left: auto;
    }

    /* Nav als geschlossenes Dropdown unter dem Header */
    .blog-nav {
        position: fixed;
        top: 0;
        right: 0;
        bottom: 0;
        width: min(75vw, 320px);
        z-index: 999;
        flex-direction: column;
        align-items: stretch;
        gap: var(--space-md);
        background-color: var(--color-bg-secondary);
        border-left: 1px solid var(--color-border);
        padding: calc(var(--space-lg) + 40px) var(--space-md) var(--space-lg);
        overflow-y: auto;
        transform: translateX(100%);
        transition: transform 0.25s ease;
    }

    .blog-nav.open {
        transform: translateX(0);
    }

    /* Artikel vertikal unter Kategorie-Titel statt horizontal */
    .nav-list {
        flex-direction: column;
        gap: var(--space-xs);
    }

    .nav-overlay.visible {
        display: block;
    }

    /* Zurück-Button kompakt (nur Icon) */
    .btn-back-label {
        display: none;
    }

    .btn-back {
        padding: 6px 8px;
    }
}

/* Landscape / Desktop: horizontale Nav, kein Burger */
@media (orientation: landscape) {
    .burger-btn {
        display: none;
    }

    .nav-overlay {
        display: none !important;
    }
}