/* ==========================================================================
   maexbert.de – Components
   Cards, Buttons, Badges, Filters, Tags
   ========================================================================== */

/* --- Buttons --- */
.btn-primary-glow {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.75rem;
    background: var(--gradient-primary);
    color: #fff;
    border: none;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: var(--font-size-sm);
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-base);
    box-shadow: 0 4px 15px rgba(0, 212, 255, 0.25);
}

.btn-primary-glow:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(0, 212, 255, 0.4);
    color: #fff;
}

.btn-outline-glow {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.75rem;
    background: transparent;
    color: var(--accent-primary);
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: var(--font-size-sm);
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-base);
}

.btn-outline-glow:hover {
    background: rgba(0, 212, 255, 0.1);
    border-color: var(--accent-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
    color: var(--accent-primary);
}

/* --- Page Header --- */
.page-header {
    padding: 5rem 0 2rem;
    text-align: center;
}

.page-title {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.5rem;
}

.page-subtitle {
    color: var(--text-secondary);
    font-size: var(--font-size-lg);
}

/* --- Section Titles --- */
.section-title {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.section-subtitle {
    color: var(--text-secondary);
    font-size: var(--font-size-lg);
    margin-bottom: 2.5rem;
}

/* --- Container Narrow --- */
.container-narrow {
    max-width: var(--container-narrow);
    margin-left: auto;
    margin-right: auto;
}

/* --- Filter Buttons --- */
.blog-filters,
.project-filters {
    margin-bottom: 2rem;
}

.filter-row {
    margin-top: 1rem;
}

.category-filters,
.status-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.filter-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.4rem 1rem;
    background: var(--bg-card);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    text-decoration: none;
    transition: all var(--transition-base);
}

.filter-btn:hover {
    color: var(--text-primary);
    border-color: var(--border-hover);
    background: var(--bg-card-hover);
}

.filter-btn.active {
    color: var(--accent-primary);
    border-color: var(--accent-primary);
    background: rgba(0, 212, 255, 0.08);
}

/* Status Dots */
.status-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.status-dot.status-aktiv,
.status-aktiv .status-dot { background: var(--accent-success); }
.status-dot.status-abgeschlossen,
.status-abgeschlossen .status-dot { background: var(--accent-primary); }
.status-dot.status-archiviert,
.status-archiviert .status-dot { background: var(--text-muted); }

/* --- Tag Cloud --- */
.tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.tag-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.25rem 0.75rem;
    background: var(--bg-card);
    color: var(--text-muted);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    text-decoration: none;
    transition: all var(--transition-base);
}

.tag-pill:hover {
    color: var(--accent-primary);
    border-color: rgba(0, 212, 255, 0.3);
}

.tag-pill.active {
    color: var(--accent-primary);
    border-color: var(--accent-primary);
    background: rgba(0, 212, 255, 0.08);
}

.tag-count {
    font-size: 0.65rem;
    opacity: 0.6;
}

.tag-sm {
    display: inline-block;
    padding: 0.15rem 0.5rem;
    background: rgba(0, 212, 255, 0.06);
    color: var(--text-muted);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
}

/* --- Search --- */
.search-wrapper {
    position: relative;
    max-width: 400px;
}

.search-icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: var(--font-size-sm);
}

.search-input {
    width: 100%;
    padding: 0.6rem 1rem 0.6rem 2.5rem;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    color: var(--text-primary);
    font-size: var(--font-size-sm);
    outline: none;
    transition: all var(--transition-base);
}

.search-input::placeholder {
    color: var(--text-muted);
}

.search-input:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

/* --- Blog Cards --- */
.blog-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.blog-card {
    padding: 1.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.blog-card:hover {
    border-color: var(--border-hover);
    background: var(--bg-card-hover);
    box-shadow: var(--shadow-glow);
    transform: translateY(-2px);
}

.blog-card-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1rem;
    margin-bottom: 0.75rem;
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}

.blog-category {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.15rem 0.6rem;
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 600;
}

.category-projekt {
    background: rgba(0, 212, 255, 0.1);
    color: var(--accent-primary);
}

.category-notiz {
    background: rgba(124, 58, 237, 0.1);
    color: var(--accent-secondary);
}

.reading-time {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    white-space: nowrap;
    flex-shrink: 0;
}

.blog-card-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: 0.5rem;
    line-height: 1.3;
}

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

.blog-card-title a:hover {
    color: var(--accent-primary);
}

.blog-card-description {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    line-height: 1.6;
    margin-bottom: 1rem;
}

.blog-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: auto;
}

.blog-card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.read-more {
    color: var(--accent-primary);
    font-size: var(--font-size-sm);
    font-weight: 600;
    text-decoration: none;
    white-space: nowrap;
    transition: all var(--transition-fast);
}

.read-more:hover {
    color: var(--text-link-hover);
}

/* --- Project Cards --- */
.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.project-grid-sm {
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
}

.project-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
}

.project-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow-hover);
}

.project-card-header {
    position: relative;
    height: 160px;
    overflow: hidden;
}

.project-card-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
    transition: transform var(--transition-base), opacity var(--transition-base);
    opacity: 0.8;
}

.project-card:hover .project-card-image {
    transform: scale(1.05);
    opacity: 1;
}

.project-card-gradient {
    width: 100%;
    height: 100%;
    opacity: 0.6;
    transition: opacity var(--transition-base);
}

.project-card:hover .project-card-gradient {
    opacity: 0.8;
}

.project-status-badge {
    position: absolute;
    top: 0.75rem;
    left: 0.75rem;
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.2rem 0.6rem;
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 600;
    backdrop-filter: blur(8px);
    z-index: 1;
}

.project-status-badge.status-abgeschlossen {
    background: rgba(16, 185, 129, 0.2);
    color: var(--accent-success);
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.project-status-badge.status-aktiv {
    background: rgba(0, 212, 255, 0.2);
    color: var(--accent-primary);
    border: 1px solid rgba(0, 212, 255, 0.3);
}

.project-status-badge.status-archiviert {
    background: rgba(100, 116, 139, 0.2);
    color: var(--text-muted);
    border: 1px solid rgba(100, 116, 139, 0.3);
}

.project-featured-badge {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    color: var(--accent-warning);
    font-size: var(--font-size-sm);
    z-index: 1;
}

.project-card-body {
    padding: 1.25rem;
    flex: 1;
}

.project-card-title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin-bottom: 0.5rem;
}

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

.project-card-title a:hover {
    color: var(--accent-primary);
}

.project-card-description {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    line-height: 1.5;
    margin-bottom: 1rem;
}

.project-tech-stack,
.project-tech-stack-lg {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.tech-badge {
    display: inline-block;
    padding: 0.15rem 0.6rem;
    background: rgba(124, 58, 237, 0.1);
    color: var(--accent-secondary);
    border: 1px solid rgba(124, 58, 237, 0.2);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 500;
}

.tech-badge-lg {
    display: inline-block;
    padding: 0.3rem 0.8rem;
    background: rgba(124, 58, 237, 0.1);
    color: var(--accent-secondary);
    border: 1px solid rgba(124, 58, 237, 0.2);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 500;
}

.project-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.25rem;
    border-top: 1px solid var(--border-color);
}

.project-link {
    color: var(--accent-primary);
    font-size: var(--font-size-sm);
    font-weight: 600;
    text-decoration: none;
    transition: all var(--transition-fast);
}

.project-link:hover {
    color: var(--text-link-hover);
}

.project-links {
    display: flex;
    gap: 0.75rem;
}

.project-external-link {
    color: var(--text-muted);
    font-size: var(--font-size-lg);
    transition: color var(--transition-fast);
}

.project-external-link:hover {
    color: var(--accent-primary);
}

/* --- Project Detail --- */
.project-header {
    padding: 2.5rem 0 2rem;
}

/* In detail view, reset absolute positioning of status badge */
.project-header .project-status-badge {
    position: static;
}

.project-hero-image {
    max-width: 800px;
    margin: 0 auto 2rem;
    padding: 0 1rem;
}

.project-hero-image img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
}

.project-tagline {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.project-actions {
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
    margin-top: 1.5rem;
}

/* --- Post Detail --- */
.post-header {
    padding: 2.5rem 0 1rem;
}

.post-hero-image {
    max-width: 800px;
    margin: 0 auto 2rem;
    padding: 0 1rem;
}

.post-hero-image img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
}

.post-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    color: var(--text-muted);
    text-decoration: none;
    font-size: var(--font-size-sm);
    transition: color var(--transition-fast);
}

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

.post-title {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1.2;
    margin-bottom: 1rem;
}

.post-info {
    display: flex;
    flex-wrap: wrap;
    gap: 1.25rem;
    color: var(--text-muted);
    font-size: var(--font-size-sm);
    margin-bottom: 1rem;
}

.post-info > span,
.post-info > time {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
}

.post-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-bottom: 1rem;
}

/* --- Post Content Wrapper (with TOC sidebar) --- */
.post-content-wrapper {
    display: flex;
    gap: 3rem;
    margin-bottom: 3rem;
    position: relative;
}

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

.toc-sidebar {
    display: none;
    width: 220px;
    flex-shrink: 0;
}

@media (min-width: 1100px) {
    .toc-sidebar {
        display: block;
    }
}

.toc-sticky {
    position: sticky;
    top: 6rem;
}

.toc-title {
    font-size: var(--font-size-sm);
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.75rem;
}

.toc-sticky .toc {
    list-style: none;
    padding: 0;
    margin: 0;
}

.toc-sticky .toc li {
    margin-bottom: 0.4rem;
}

.toc-sticky .toc a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: var(--font-size-xs);
    line-height: 1.4;
    display: block;
    padding: 0.15rem 0;
    transition: color var(--transition-fast);
}

.toc-sticky .toc a:hover {
    color: var(--accent-primary);
}

.toc-sticky .toc ul {
    list-style: none;
    padding-left: 1rem;
    margin: 0;
}

/* --- Post Navigation --- */
.post-nav {
    border-top: 1px solid var(--border-color);
    padding: 2rem 0;
    margin-top: 2rem;
}

.post-nav-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.post-nav-link {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    padding: 1rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    text-decoration: none;
    transition: all var(--transition-base);
}

.post-nav-link:hover {
    border-color: var(--border-hover);
    background: var(--bg-card-hover);
    transform: translateY(-2px);
}

.post-nav-next {
    text-align: right;
}

.post-nav-label {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.post-nav-title {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-primary);
}

/* --- Empty State --- */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-muted);
    grid-column: 1 / -1;
}

.empty-state i {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: block;
    opacity: 0.5;
}

/* --- Error Page --- */
.error-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 60vh;
    padding: 4rem 0;
}

.error-code {
    font-size: 8rem;
    font-weight: 900;
    line-height: 1;
    margin-bottom: 1rem;
}

.error-title {
    font-size: var(--font-size-2xl);
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}

.error-description {
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.error-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* --- Related Section --- */
.related-section {
    padding: 3rem 0;
    border-top: 1px solid var(--border-color);
    margin-top: 3rem;
}

/* --- Project Badge Link (Blog Detail) --- */
.project-badge-link {
    margin-top: 0.75rem;
}

.project-badge-link a {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--gradient-subtle);
    border: 1px solid var(--border-glow);
    border-radius: var(--radius-full);
    color: var(--accent-primary);
    text-decoration: none;
    font-size: var(--font-size-sm);
    font-weight: 600;
    transition: all var(--transition-base);
}

.project-badge-link a:hover {
    background: rgba(0, 212, 255, 0.12);
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-glow);
    transform: translateX(4px);
}

/* --- Blog List Project Link --- */
.blog-project-link {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    font-size: var(--font-size-xs);
    color: var(--accent-primary);
    opacity: 0.8;
}

/* --- Devlog Section (Project Detail) --- */
.devlog-section {
    padding: 3rem 0;
    border-top: 1px solid var(--border-color);
    margin-top: 3rem;
}

.devlog-subtitle {
    color: var(--text-muted);
    font-size: var(--font-size-sm);
    margin-top: -0.5rem;
    margin-bottom: 2rem;
}

.devlog-timeline {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.devlog-entry {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 1.25rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    text-decoration: none;
    color: inherit;
    transition: all var(--transition-base);
}

.devlog-entry:hover {
    border-color: var(--border-glow);
    background: var(--bg-card-hover);
    box-shadow: var(--shadow-glow);
    transform: translateX(4px);
}

.devlog-date {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 3.5rem;
    padding: 0.5rem;
    background: var(--gradient-subtle);
    border-radius: var(--radius-sm);
    flex-shrink: 0;
}

.devlog-day {
    font-size: var(--font-size-xl);
    font-weight: 800;
    color: var(--accent-primary);
    line-height: 1;
}

.devlog-month {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

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

.devlog-title {
    font-size: var(--font-size-base);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.devlog-description {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-bottom: 0.4rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.devlog-meta {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
}

.devlog-arrow {
    color: var(--accent-primary);
    font-size: var(--font-size-lg);
    opacity: 0;
    transition: all var(--transition-base);
    flex-shrink: 0;
}

.devlog-entry:hover .devlog-arrow {
    opacity: 1;
    transform: translateX(4px);
}

/* --- Gradient Text --- */
.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* --- Responsive --- */
@media (max-width: 768px) {
    .page-title {
        font-size: var(--font-size-3xl);
    }

    .post-title {
        font-size: var(--font-size-2xl);
    }

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

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

    .post-nav-next {
        text-align: left;
    }

    .error-code {
        font-size: 5rem;
    }

    .project-actions {
        flex-direction: column;
    }

    .devlog-entry {
        gap: 1rem;
    }

    .devlog-description {
        white-space: normal;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
    }
}