@import url('https://fonts.googleapis.com/css2?family=Permanent+Marker&family=Courier+Prime:ital,wght@0,400;0,700;1,400&display=swap');

/* === RESET === */
* { margin: 0; padding: 0; box-sizing: border-box; }

/* === BASE === */
:root {
    --black:      #111;
    --white:      #fff;
    --bg:         #f9f9f7;
    --gray:       #777;
    --light-gray: #e8e8e4;
    --shadow:     6px 6px 0 #111;
    --shadow-sm:  4px 4px 0 #111;

    --lunnen:  #b5251a;
    --willow:  #1a7a3a;
    --chika:   #1a3a9e;
    --autre:   #6b3a9e;
}

body {
    font-family: 'Courier Prime', monospace;
    background-color: var(--bg);
    background-image:
        linear-gradient(rgba(0, 0, 180, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 0, 180, 0.04) 1px, transparent 1px);
    background-size: 28px 28px;
    color: var(--black);
    min-height: 100vh;
}

/* === LAYOUT === */
.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 48px 24px 100px;
}

/* === BREADCRUMB NAV === */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 48px;
    font-size: 0.8rem;
    letter-spacing: 1.5px;
    text-transform: uppercase;
}

.breadcrumb a {
    color: var(--gray);
    text-decoration: none;
    border-bottom: 1px solid var(--gray);
    transition: color 0.15s, border-color 0.15s;
}
.breadcrumb a:hover { color: var(--black); border-color: var(--black); }
.breadcrumb .sep { color: var(--light-gray); font-size: 1rem; }

/* === PAGE HEADER === */
.page-header { margin-bottom: 48px; }

.page-header h1 {
    font-family: 'Permanent Marker', cursive;
    font-size: clamp(3.2rem, 12vw, 6.5rem);
    letter-spacing: -3px;
    line-height: 1;
    position: relative;
    display: inline-block;
}

.page-header h1::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    width: 100%;
    height: 7px;
    background: var(--black);
    transform: skewY(-0.8deg);
}

.page-header .tagline {
    margin-top: 20px;
    font-size: 0.8rem;
    letter-spacing: 3px;
    color: var(--gray);
    text-transform: lowercase;
}

/* === PROJECT STAMP === */
.project-stamp {
    font-family: 'Courier Prime', monospace;
    font-weight: 700;
    font-size: 0.68rem;
    letter-spacing: 3px;
    text-transform: uppercase;
    border: 2px solid currentColor;
    padding: 2px 7px;
    display: inline-block;
    transform: rotate(-1.5deg);
    white-space: nowrap;
}
.project-stamp.lunnen { color: var(--lunnen); }
.project-stamp.willow { color: var(--willow); }
.project-stamp.chika  { color: var(--chika);  }
.project-stamp.autre  { color: var(--autre);  }

/* === VERSION BADGE === */
.version-badge {
    font-family: 'Courier Prime', monospace;
    font-weight: 700;
    font-size: 0.78rem;
    background: var(--black);
    color: var(--white);
    padding: 2px 8px;
    letter-spacing: 1px;
    white-space: nowrap;
}

/* === TAGS === */
.tags { display: flex; gap: 6px; flex-wrap: wrap; }

.tag {
    font-family: 'Courier Prime', monospace;
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    padding: 1px 7px;
    border: 2px solid var(--black);
}
.tag.new      { background: #d4edda; }
.tag.fix      { background: #fff3cd; }
.tag.breaking { background: #f8d7da; }
.tag.wip      { background: #e2e3e5; }
.tag.update   { background: #cce5ff; }
.tag.video    { background: #f3e5f5; }
.tag.media    { background: #e8f5e9; }
.tag.perf     { background: #fff8e1; }

/* === FILTER TABS (index only) === */
.filters {
    display: flex;
    border: 3px solid var(--black);
    width: fit-content;
    margin-bottom: 40px;
    overflow: hidden;
}

.filter-btn {
    background: none;
    border: none;
    border-right: 3px solid var(--black);
    padding: 9px 22px;
    font-family: 'Permanent Marker', cursive;
    font-size: 1rem;
    cursor: pointer;
    letter-spacing: 1px;
    color: var(--black);
    transition: background 0.1s;
}
.filter-btn:last-child { border-right: none; }
.filter-btn:hover  { background: var(--light-gray); }
.filter-btn.active { background: var(--black); color: var(--white); }

/* === POST LIST === */
.posts { display: flex; flex-direction: column; gap: 22px; }

/* Hidden during filter */
.post-card.hidden { display: none; }

/* === POST CARD (index) === */
.post-card {
    background: var(--white);
    border: 3px solid var(--black);
    padding: 26px 30px 22px;
    position: relative;
    box-shadow: var(--shadow);
    transform: rotate(-0.35deg);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    animation: cardIn 0.35s both;
}
.post-card:nth-child(even)    { transform: rotate(0.35deg); }
.post-card:nth-child(3n)      { transform: rotate(-0.15deg); }
.post-card:hover {
    transform: rotate(0deg) translateY(-4px);
    box-shadow: 8px 8px 0 var(--black);
}

/* Faint ruled lines */
.post-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: repeating-linear-gradient(
        transparent,
        transparent 27px,
        rgba(0,0,0,0.055) 27px,
        rgba(0,0,0,0.055) 28px
    );
    background-position: 0 6px;
    pointer-events: none;
    z-index: 0;
}

@keyframes cardIn {
    from { opacity: 0; transform: translateY(14px) rotate(-0.35deg); }
    to   { opacity: 1; }
}
.post-card:nth-child(1) { animation-delay: 0.04s; }
.post-card:nth-child(2) { animation-delay: 0.12s; }
.post-card:nth-child(3) { animation-delay: 0.20s; }
.post-card:nth-child(4) { animation-delay: 0.28s; }
.post-card:nth-child(5) { animation-delay: 0.36s; }

.post-meta {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 14px;
    flex-wrap: wrap;
    position: relative;
    z-index: 1;
}

.post-meta time {
    font-size: 0.78rem;
    color: var(--gray);
    letter-spacing: 1px;
    margin-left: auto;
}

.post-card h2 {
    font-family: 'Permanent Marker', cursive;
    font-size: 1.55rem;
    margin-bottom: 10px;
    position: relative;
    z-index: 1;
}
.post-card h2 a {
    color: inherit;
    text-decoration: none;
}
.post-card h2 a:hover {
    text-decoration: underline;
    text-underline-offset: 5px;
}

.post-card .excerpt {
    font-size: 0.92rem;
    line-height: 1.75;
    color: #333;
    margin-bottom: 14px;
    position: relative;
    z-index: 1;
}

.post-card .tags {
    margin-bottom: 14px;
    position: relative;
    z-index: 1;
}

.read-more {
    display: inline-block;
    font-family: 'Permanent Marker', cursive;
    font-size: 0.95rem;
    color: var(--black);
    text-decoration: none;
    border-bottom: 3px solid var(--black);
    position: relative;
    z-index: 1;
    transition: letter-spacing 0.2s;
}
.read-more:hover { letter-spacing: 2px; }

/* === POST DETAIL PAGE === */

/* Notebook margin effect */
.post-article {
    background: var(--white);
    border: 3px solid var(--black);
    box-shadow: var(--shadow);
    position: relative;
    overflow: hidden;
}

/* Red left margin line */
.post-article::before {
    content: '';
    position: absolute;
    left: 52px;
    top: 0; bottom: 0;
    width: 2px;
    background: #e55;
    opacity: 0.5;
    z-index: 0;
}

/* Ruled lines */
.post-article::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image: repeating-linear-gradient(
        transparent,
        transparent 27px,
        rgba(0,0,0,0.06) 27px,
        rgba(0,0,0,0.06) 28px
    );
    background-position: 0 8px;
    pointer-events: none;
    z-index: 0;
}

/* Article header */
.article-header {
    padding: 36px 36px 28px 72px;
    border-bottom: 3px solid var(--black);
    position: relative;
    z-index: 1;
}

.article-header .post-meta { margin-bottom: 16px; }
.article-header .post-meta time { margin-left: 0; }

.article-header h1 {
    font-family: 'Permanent Marker', cursive;
    font-size: clamp(1.8rem, 6vw, 3rem);
    letter-spacing: -1px;
    line-height: 1.2;
    margin-bottom: 16px;
}

/* Article body */
.article-body {
    padding: 32px 36px 40px 72px;
    position: relative;
    z-index: 1;
}

.article-body p {
    font-size: 1rem;
    line-height: 1.8;
    margin-bottom: 20px;
    color: #222;
}

.article-body h2 {
    font-family: 'Permanent Marker', cursive;
    font-size: 1.5rem;
    margin: 36px 0 16px;
    position: relative;
    display: inline-block;
}
.article-body h2::after {
    content: '';
    position: absolute;
    bottom: -3px;
    left: 0; width: 100%;
    height: 4px;
    background: var(--black);
    transform: skewY(-0.5deg);
}

.article-body h3 {
    font-family: 'Permanent Marker', cursive;
    font-size: 1.1rem;
    margin: 24px 0 10px;
}

/* Code block */
.article-body pre {
    background: var(--black);
    color: #d4f5b4;
    padding: 16px 20px;
    font-family: 'Courier Prime', monospace;
    font-size: 0.88rem;
    line-height: 1.6;
    overflow-x: auto;
    margin: 20px 0;
    border: none;
    position: relative;
}
.article-body pre::before {
    content: '$ ';
    opacity: 0.4;
}
.article-body code {
    font-family: 'Courier Prime', monospace;
    background: var(--light-gray);
    padding: 1px 5px;
    font-size: 0.9em;
}
.article-body pre code {
    background: none;
    padding: 0;
    font-size: 1em;
    color: inherit;
}
.article-body pre code::before { display: none; }

/* Image — polaroid style */
.polaroid {
    background: var(--white);
    border: 2px solid var(--black);
    padding: 10px 10px 36px;
    max-width: 480px;
    box-shadow: var(--shadow-sm);
    margin: 28px auto;
    transform: rotate(1deg);
    position: relative;
}
.polaroid:nth-of-type(even) { transform: rotate(-1.2deg); }
.polaroid img {
    width: 100%;
    height: auto;
    display: block;
    border: 1px solid var(--light-gray);
}
.polaroid figcaption {
    font-family: 'Permanent Marker', cursive;
    font-size: 0.9rem;
    text-align: center;
    margin-top: -22px;
    color: #444;
}

/* Image gallery (multiple polaroids side by side) */
.gallery {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    justify-content: center;
    margin: 28px 0;
}
.gallery .polaroid { margin: 0; flex: 1 1 200px; max-width: 280px; }

/* Video embed */
.video-embed {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    margin: 28px 0;
    border: 3px solid var(--black);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}
.video-embed iframe {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    border: none;
}

/* Changelog section */
.changelog {
    margin-top: 40px;
    border: 3px solid var(--black);
    box-shadow: var(--shadow-sm);
}

.changelog-header {
    background: var(--black);
    color: var(--white);
    padding: 10px 20px;
    font-family: 'Permanent Marker', cursive;
    font-size: 1.1rem;
    letter-spacing: 1px;
}

.changelog-list {
    list-style: none;
    padding: 0;
}
.changelog-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 10px 20px;
    border-bottom: 1px solid var(--light-gray);
    font-size: 0.9rem;
    line-height: 1.5;
}
.changelog-item:last-child { border-bottom: none; }

.change-type {
    font-family: 'Courier Prime', monospace;
    font-weight: 700;
    font-size: 0.68rem;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    padding: 1px 6px;
    border: 2px solid var(--black);
    white-space: nowrap;
    margin-top: 1px;
}
.change-type.new      { background: #d4edda; }
.change-type.fix      { background: #fff3cd; }
.change-type.breaking { background: #f8d7da; }
.change-type.update   { background: #cce5ff; }
.change-type.wip      { background: #e2e3e5; }
.change-type.perf     { background: #fff8e1; }

/* Post navigation */
.post-nav {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    margin-top: 48px;
    flex-wrap: wrap;
}

.nav-link {
    display: inline-block;
    padding: 12px 22px;
    font-family: 'Permanent Marker', cursive;
    font-size: 1rem;
    color: var(--black);
    text-decoration: none;
    border: 3px solid var(--black);
    box-shadow: var(--shadow-sm);
    transition: transform 0.15s, box-shadow 0.15s;
    background: var(--white);
}
.nav-link:hover {
    transform: translate(2px, 2px);
    box-shadow: 2px 2px 0 var(--black);
}
.nav-link.prev::before { content: '← '; }
.nav-link.next::after  { content: ' →'; }
.nav-link.back-index   { background: var(--black); color: var(--white); }

/* === FOOTER === */
footer {
    text-align: center;
    margin-top: 72px;
    font-size: 0.78rem;
    letter-spacing: 2px;
    color: var(--gray);
    text-transform: lowercase;
}

/* === RESPONSIVE === */
@media (max-width: 640px) {
    .post-article::before { left: 36px; }
    .article-header, .article-body { padding-left: 52px; }
    .post-card { padding: 20px 18px 18px; }
    .post-card h2 { font-size: 1.3rem; }
    .filter-btn { padding: 8px 14px; font-size: 0.88rem; }
    .post-meta time { margin-left: 0; width: 100%; }
    .polaroid { max-width: 100%; }
}

@media (max-width: 400px) {
    .filters { width: 100%; }
    .filter-btn { flex: 1; }
}