video
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@@ -1,60 +1,46 @@
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/* ==========================================================================
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tui-pages website - animated ASCII art layer (chafa-rendered)
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Loaded AFTER site.css. Provides:
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- .tp-ascii-rain full-bleed body background, slow drifting pattern
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sourced from static/img/og-image-bg.svg
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All animations respect prefers-reduced-motion.
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tui-pages website - animated ASCII mountain background (chafa-rendered)
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The mountain background is JS-driven: tools/mountain.py renders 60
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procedural 3D mountain-flyover PNG frames; chafa converts each to 80x24
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ASCII; tools/build_mountain_js.py bundles them into static/js/mountain.js.
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static/js/mountain-bg.js cycles the frames at 12 fps into a single
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<pre class="tp-mountain-frame"> element mounted at the bottom of <body>.
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This CSS file:
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- positions the frame as a full-bleed fixed background
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- tints the dense characters rust-orange with text-shadow + glow
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- adds a CRT scanline overlay
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- disables the animation under prefers-reduced-motion
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========================================================================== */
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/* Body-wide ASCII art background ---------------------------------------- */
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/* Fixed full-bleed layer behind all content. Renders a chafa output of the
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og-image-bg.svg (black background + "tui-pages" wordmark + headline +
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subtitle), drawn as ASCII glyphs in a single full-width tile. Two copies
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of the tile are stacked vertically and the whole track drifts slowly
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upward, looping seamlessly when the top copy exits the viewport.
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The hero is a static <img src="static/img/terminal-default.svg"> as
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designed - this file does NOT touch the hero.
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Regenerate the source tile with `make ascii` (uses chafa on
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static/img/og-image-bg.svg). The chafa output is in static/ascii/rain.txt
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and is 240 columns wide. */
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.tp-ascii-rain {
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/* Full-bleed ASCII mountain background ---------------------------------- */
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.tp-mountain-frame {
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position: fixed;
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inset: 0;
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z-index: 0; /* sit above the page background, below the content */
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z-index: 0;
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pointer-events: none;
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opacity: 0.14;
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overflow: hidden;
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font-family: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
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font-size: clamp(6px, 0.9vw, 9px);
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line-height: 1.05;
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color: #f4a26b; /* warm rust-orange tint, picks up the brand */
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white-space: pre;
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text-shadow: 0 0 6px rgba(183, 65, 14, 0.25); /* faint phosphor glow */
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will-change: transform;
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}
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/* The track holds two byte-identical copies of rain.txt stacked vertically.
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translateY(0 -> -50%) is a perfect seamless loop. */
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.tp-ascii-rain-track {
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display: block;
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width: 100%;
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display: flex;
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align-items: center;
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justify-content: center;
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margin: 0;
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padding: 0;
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animation: tp-ascii-drift 90s linear infinite;
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will-change: transform;
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}
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.tp-ascii-rain-cell {
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display: block;
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white-space: pre; /* preserve the chafa line breaks */
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font-family: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
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font-size: clamp(8px, 1.2vw, 14px);
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line-height: 1.0;
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letter-spacing: 0;
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color: #f4a26b; /* warm rust-orange tint, picks up the brand */
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text-shadow: 0 0 8px rgba(183, 65, 14, 0.35); /* phosphor glow */
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opacity: 0.45;
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white-space: pre;
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background: transparent;
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overflow: hidden;
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user-select: none;
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}
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/* CRT scanlines overlay - a thin moving line every 2px. Faint so it doesn't
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fight the page content. */
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.tp-ascii-rain::after {
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.tp-mountain-frame::after {
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content: "";
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position: absolute;
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inset: 0;
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@@ -62,36 +48,28 @@
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to bottom,
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transparent 0,
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transparent 2px,
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rgba(0, 0, 0, 0.18) 2px,
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rgba(0, 0, 0, 0.18) 3px
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rgba(0, 0, 0, 0.20) 2px,
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rgba(0, 0, 0, 0.20) 3px
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);
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pointer-events: none;
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animation: tp-ascii-scanline 8s linear infinite;
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animation: tp-mtn-scanline 8s linear infinite;
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mix-blend-mode: multiply;
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}
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@keyframes tp-ascii-drift {
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0% { transform: translateY(0); }
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100% { transform: translateY(-50%); }
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}
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@keyframes tp-ascii-scanline {
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@keyframes tp-mtn-scanline {
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0% { background-position: 0 0; }
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100% { background-position: 0 6px; }
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}
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/* The hero text is high-contrast on its own (zinc-50 / accent), and the
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body ASCII rain is at 14% opacity. No overlay needed — the rain shows
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through everywhere. */
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/* Light theme: invert to dark text on light, dimmer, no glow. */
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:root[data-theme="light"] .tp-ascii-rain {
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opacity: 0.10;
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color: #1f1f23;
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/* Light theme: dim the background, drop the glow, switch to dark text. */
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:root[data-theme="winter"] .tp-mountain-frame {
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opacity: 0.20;
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color: #2a1810;
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text-shadow: none;
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mix-blend-mode: multiply;
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}
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:root[data-theme="light"] .tp-ascii-rain::after {
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:root[data-theme="winter"] .tp-mountain-frame::after {
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background: repeating-linear-gradient(
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to bottom,
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transparent 0,
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@@ -99,13 +77,12 @@
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rgba(255, 255, 255, 0.12) 2px,
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rgba(255, 255, 255, 0.12) 3px
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);
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mix-blend-mode: screen;
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}
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/* Reduced motion: pause the drift, keep the static background. */
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/* Reduced motion: keep the first frame static, no scanline drift. */
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@media (prefers-reduced-motion: reduce) {
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.tp-ascii-rain-track,
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.tp-ascii-rain::after {
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.tp-mountain-frame::after {
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animation: none !important;
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transform: none !important;
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}
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}
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@@ -31,7 +31,7 @@ html {
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--tp-hero-to: #18181b;
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}
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:root[data-theme="light"] {
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:root[data-theme="winter"] {
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--tp-accent: #93330c;
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--tp-accent-fg: #fff5f0;
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--tp-grid-line: rgba(228, 228, 231, 0.7);
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@@ -55,7 +55,7 @@ body {
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/* ---------- Hero --------------------------------------------------------- */
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.tp-hero {
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background: transparent; /* let the body ASCII rain show through */
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background: transparent; /* let the mountain ASCII show through */
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position: relative;
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isolation: isolate;
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}
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@@ -119,7 +119,7 @@ body {
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-webkit-backdrop-filter: saturate(160%) blur(12px);
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border-bottom: 1px solid rgba(63, 63, 70, 0.4);
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}
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:root[data-theme="light"] .tp-nav {
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:root[data-theme="winter"] .tp-nav {
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background: rgba(255, 255, 255, 0.7);
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border-bottom-color: rgba(228, 228, 231, 0.7);
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}
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@@ -138,11 +138,11 @@ body {
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background: rgba(24, 24, 27, 0.75);
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transform: translateY(-2px);
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}
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:root[data-theme="light"] .tp-card {
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:root[data-theme="winter"] .tp-card {
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background: rgba(255, 255, 255, 0.6);
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border-color: rgba(228, 228, 231, 0.8);
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}
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:root[data-theme="light"] .tp-card:hover {
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:root[data-theme="winter"] .tp-card:hover {
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background: rgba(255, 255, 255, 0.9);
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border-color: rgba(183, 65, 14, 0.4);
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}
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@@ -195,7 +195,7 @@ body {
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color: #f4f4f5;
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line-height: 1;
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}
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:root[data-theme="light"] .tp-kbd {
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:root[data-theme="winter"] .tp-kbd {
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background: #fff;
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color: #18181b;
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border-color: #d4d4d8;
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@@ -254,7 +254,7 @@ body {
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/* ---------- No-FOUC theme flash ----------------------------------------- */
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html:not([data-theme]) body { background: #09090b; }
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:root[data-theme="light"] body { background: #fafafa; }
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:root[data-theme="winter"] body { background: #fafafa; }
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/* ---------- Alpine x-cloak (prevents flash of un-initialised content) --- */
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[x-cloak] { display: none !important; }
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