/* ================================================================
   DITHER STYLE — monochrome, ascii-shaded, minimal
   Scoped to body.dither so it never leaks into other pages.
   Each page defines in :root  --page-color, --page-color-alt,
   --page-color-bg and --dither-accent (rgb triplet of --page-color).
   ================================================================ */

body.dither {
    /* --bg-main and the background ascii (--ascii-*) come from
       main-style.css, so the backdrop matches the home page */
    --text-main: #d3dede;
    --text-dim: #85908f;
    --text-faint: #4f5757;
    --dither-ink: 190, 214, 214;   /* rgb triplet used by canvas renderers */
    background-color: var(--bg-main);
    color: var(--text-main);
    font-size: 15px;
}

body.dither.light-mode {
    --bg-main: #fdf6e3;
    --text-main: #073642;
    --text-dim: #657b83;
    --text-faint: #c9c0a6;
    --dither-ink: 7, 54, 66;
}

.dither .page-container {
    max-width: 780px;
}

.dither ::selection {
    background: var(--page-color);
    color: var(--bg-main);
}

/* ---------- Back button: plain prompt, no box ---------- */
.dither .back-home-btn {
    background: none;
    border: none;
    padding: 0;
    color: var(--text-dim);
    font-weight: 400;
    margin-bottom: 4rem;
}

.dither .back-home-btn:hover {
    background: none;
    color: var(--text-main);
    transform: none;
}

.dither .back-home-btn .command { color: var(--text-main); }
.dither .back-home-btn .dots    { color: var(--page-color); }
.dither .back-home-btn .arrow   { transition: transform 0.2s ease; display: inline-block; }
.dither .back-home-btn:hover .arrow { transform: translateX(-4px); }

/* ---------- Header ---------- */
.dither-header {
    margin-bottom: 4.5rem;
}

.dither-title {
    font-size: 2.4rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    margin: 0 0 0.4rem;
    background: linear-gradient(90deg, var(--page-color), var(--page-color-alt));
    -webkit-background-clip: text;
            background-clip: text;
    -webkit-text-fill-color: transparent;
    width: fit-content;
}

.dither-title::before {
    content: "# ";
    -webkit-text-fill-color: var(--page-color);
    opacity: 0.5;
    font-weight: 400;
}

.dither-subtitle {
    color: var(--text-dim);
    font-size: 0.9em;
    margin: 0 0 1.6rem;
}

/* ---------- Generated dither gradient bars (░▒▓█) ---------- */
.dither-bar {
    display: block;
    margin: 0;
    font-family: inherit;
    font-size: 10px;
    line-height: 10px;
    white-space: pre;
    overflow: hidden;
    background: linear-gradient(90deg, var(--page-color), var(--page-color-alt) 70%);
    -webkit-background-clip: text;
            background-clip: text;
    -webkit-text-fill-color: transparent;
    opacity: 0.8;
    user-select: none;
    pointer-events: none;
}

.dither-bar.is-head {
    opacity: 0.45;
    margin: 1.2rem 0 1.6rem;
}

/* ---------- Project entry ---------- */
/* Each project is a light panel: a page-coloured dot texture that
   dithers out towards the bottom, plus a dotted rail on the left. */
.dither-project {
    position: relative;
    padding: 2rem 2rem 2.4rem 2.2rem;
    margin-bottom: 4rem;
    isolation: isolate;
}

.dither-project::before,
.dither-project::after {
    content: "";
    position: absolute;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

/* tinted dot texture */
.dither-project::before {
    inset: 0;
    z-index: -1;
    background-image: radial-gradient(rgba(var(--dither-accent), 0.35) 1px, transparent 1.3px);
    background-size: 5px 5px;
    -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.55), rgba(0, 0, 0, 0.12) 35%, transparent 75%);
            mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.55), rgba(0, 0, 0, 0.12) 35%, transparent 75%);
    opacity: 0.6;
}

/* dotted rail on the left */
.dither-project::after {
    top: 0;
    bottom: 0;
    left: 0;
    width: 3px;
    background-image: radial-gradient(var(--page-color) 1.1px, transparent 1.4px);
    background-size: 3px 5px;
    -webkit-mask-image: linear-gradient(to bottom, #000 20%, transparent);
            mask-image: linear-gradient(to bottom, #000 20%, transparent);
    opacity: 0.6;
}

.dither-project:hover::before { opacity: 1; }
.dither-project:hover::after  { opacity: 1; }

.dither-project-head {
    display: flex;
    align-items: center;
    gap: 1.2rem;
}

.dither-index {
    font-size: 2.8rem;
    font-weight: 600;
    line-height: 1;
    letter-spacing: -0.04em;
    background: linear-gradient(135deg, var(--page-color), var(--page-color-alt));
    -webkit-background-clip: text;
            background-clip: text;
    -webkit-text-fill-color: transparent;
}

.dither-meta {
    display: flex;
    gap: 0.6rem;
    font-size: 0.78em;
    color: var(--text-dim);
    letter-spacing: 0.04em;
}

.dither-meta span + span::before {
    content: "·";
    color: var(--text-faint);
    margin-right: 0.6rem;
}

/* ASCII cover */
.dither-cover {
    position: relative;
    height: 300px;
    margin-bottom: 1.8rem;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.dither-cover canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}

/* Source image: shown only as a fallback when the ascii renderer can't run */
.dither-cover > img {
    max-height: 100%;
    max-width: 100%;
    filter: grayscale(1) contrast(1.15);
    opacity: 0.8;
}

.dither-cover.is-ascii > img {
    display: none;
}

/* The animated gif already is ascii: blend its black background away
   and fade the frame edges into the page */

.dither-cover.is-gif > img {
    height: 100%;
    max-width: 100%;
    object-fit: contain;
    filter: none;
    opacity: 1;
    mix-blend-mode: screen;
    -webkit-mask-image: radial-gradient(closest-side, #000 65%, transparent 100%);
            mask-image: radial-gradient(closest-side, #000 65%, transparent 100%);
}

.light-mode .dither-cover.is-gif > img {
    filter: invert(1) grayscale(1) contrast(1.2);
    mix-blend-mode: multiply;
}

/* ---------- Section headings (## degrees) ---------- */
.dither-section {
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    color: var(--text-dim);
    margin: 0 0 1.4rem;
}

.dither-section::before {
    content: "## ";
    color: var(--page-color);
}

.dither-section:not(:first-child) {
    margin-top: 5rem;
}

/* Title + body */
.dither-name {
    font-size: 1.4rem;
    font-weight: 600;
    margin: 0 0 0.2rem;
    color: var(--text-main);
}

.dither-name a {
    color: inherit;
    text-decoration: none;
    transition: color 0.2s ease;
}

.dither-name a:hover {
    color: var(--page-color);
}

.dither-body {
    color: var(--text-dim);
    line-height: 1.75;
    font-size: 0.93em;
}

.dither-body p {
    margin: 0 0 1rem;
}

.dither-body strong {
    color: var(--text-main);
    font-weight: 500;
}

.dither-body .hl {
    color: var(--page-color);
    background: var(--page-color-bg);
    padding: 0 4px;
    border-radius: 2px;
    font-weight: 500;
}

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

.dither-body li {
    padding-left: 1.6em;
    text-indent: -1.6em;
    margin-bottom: 0.6rem;
}

.dither-body li::before {
    content: "░ ";
    color: var(--page-color);
}

/* Inline figures: halftone-ish grayscale, colour comes back on hover */
.dither-figure {
    position: relative;
    margin: 1.4rem 0;
    max-width: 100%;
    display: inline-block;
}

.dither-figure.is-narrow { max-width: 360px; }

.dither-figure img {
    display: block;
    width: 100%;
    filter: grayscale(1) contrast(1.1) brightness(0.9);
    transition: filter 0.4s ease;
}

.dither-figure::after {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    background-image: radial-gradient(var(--bg-main) 0.8px, transparent 1.1px);
    background-size: 3px 3px;
    opacity: 0.55;
    transition: opacity 0.4s ease;
}

.dither-figure:hover img     { filter: none; }
.dither-figure:hover::after  { opacity: 0; }

.dither-figure figcaption {
    font-size: 0.72em;
    color: var(--text-faint);
    margin-top: 0.4rem;
}

/* Tags + link */
.dither-tags {
    margin-top: 1.4rem;
    font-size: 0.78em;
    color: var(--text-dim);
}

.dither-tags span + span::before {
    content: " · ";
    color: var(--text-faint);
}

.dither-link {
    display: inline-block;
    margin-top: 0.8rem;
    font-size: 0.85em;
    color: var(--text-main);
    text-decoration: none;
    border-bottom: 1px dotted var(--text-faint);
}

.dither-link::before {
    content: "$ " attr(data-cmd) " ";
    color: var(--text-dim);
}

.dither-link:hover {
    color: var(--page-color);
    border-bottom-color: var(--page-color);
}

/* ---------- Footer ---------- */
.dither-footer {
    margin-top: 5rem;
    padding-top: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    font-size: 0.8em;
    color: var(--text-faint);
}

.dither-footer .back-home-btn { margin-bottom: 0; }

@media (max-width: 600px) {
    .dither-title { font-size: 1.8rem; }
    .dither-cover { height: 190px; }
    .dither-project { padding: 1.4rem 0.6rem 1.8rem 1.2rem; }
    .dither-index { font-size: 2.1rem; }
    .dither-link  { word-break: break-all; }
    .dither-footer { flex-direction: column; gap: 1.2rem; }
}

@media (prefers-reduced-motion: reduce) {
    .dither .back-home-btn .arrow { transition: none; }
}