xrdwb17xu: Add the full-screen snap feed with media and quote slides on phones
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/*
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* Phone feed: full-screen snapping slides (spec "Mobile layout" > "Full-screen
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* feed", ADR 0001). Ported from the mockup's .reel / .slide / .sl-* rules with
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* the `slide-` and `reel-` prefixes, tokens only. White, the dark fades and the
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* dark glass over photos and video come from the --on-media / --media-* tokens.
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* Only rendered at 760px and below (AppShell measures .app).
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*/
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@keyframes slide-rise { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }
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@keyframes slide-shimmer { from { background-position: 120% 0; } to { background-position: -100% 0; } }
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.reel-feed {
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position: relative;
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height: 100%;
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overflow: hidden;
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background: var(--bg);
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}
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.reel {
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position: absolute;
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inset: 0;
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overflow-y: auto;
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scroll-snap-type: y mandatory;
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overscroll-behavior: contain;
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scrollbar-width: none;
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}
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.reel::-webkit-scrollbar { display: none; }
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.slide {
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--slide-text-bg: radial-gradient(120% 70% at 0% 0%, var(--accent-soft), transparent 62%), var(--bg);
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position: relative;
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height: 100%;
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scroll-snap-align: start;
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scroll-snap-stop: always;
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overflow: hidden;
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background: var(--slide-text-bg);
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color: var(--ink);
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}
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/* Media: edge to edge. Scaled to 104% until the slide is on screen, then eases to 100%. */
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.slide-media { position: absolute; inset: 0; background: var(--tile-3); }
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.slide-art {
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position: absolute;
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inset: 0;
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display: block;
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width: 100%;
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height: 100%;
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object-fit: cover;
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transform: scale(1.04);
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transition: transform 6s ease-out;
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}
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.is-cur .slide-art { transform: scale(1); }
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.slide-video .slide-art video,
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.slide-video .slide-art img { display: block; width: 100%; height: 100%; object-fit: cover; }
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.slide-video .slide-art > div { height: 100%; }
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.slide-pending { display: grid; place-items: center; color: var(--ink-2); font-size: 14px; }
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.slide-play { z-index: 4; }
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.slide-dur { top: 128px; right: 16px; z-index: 4; }
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.slide-scrim,
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.slide-scrim-top { position: absolute; left: 0; right: 0; z-index: 1; pointer-events: none; }
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.slide-scrim { bottom: 0; height: 58%; background: linear-gradient(180deg, var(--media-fade-0), var(--media-fade)); }
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.slide-scrim-top { top: 0; height: 150px; background: linear-gradient(180deg, var(--media-fade-top), var(--media-fade-0)); }
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/* Author and text over the bottom fade. */
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.slide-meta {
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position: absolute;
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left: 20px;
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right: 24px;
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bottom: 108px;
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z-index: 3;
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display: flex;
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flex-direction: column;
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gap: 12px;
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pointer-events: none;
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}
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.slide-meta > * { pointer-events: auto; }
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.slide-on-media .slide-meta { color: var(--on-media); }
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.slide-who { display: flex; align-items: center; gap: 12px; }
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.slide-who > div { display: flex; flex-direction: column; min-width: 0; }
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.slide-who strong { display: flex; align-items: center; font-size: 15px; font-weight: 700; }
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.slide-who time { font-size: 12.5px; opacity: .72; }
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.slide-on-media .slide-you { color: var(--on-media); box-shadow: inset 0 0 0 1px var(--on-media-badge); }
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.slide-text {
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margin: 0;
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font-size: 15px;
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line-height: 1.6;
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white-space: pre-wrap;
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overflow-wrap: anywhere;
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display: -webkit-box;
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-webkit-line-clamp: 3;
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-webkit-box-orient: vertical;
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overflow: hidden;
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text-shadow: 0 1px 12px var(--media-shadow);
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}
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.slide-error { margin: 0; color: var(--danger); font-size: 13px; font-weight: 600; }
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.slide-on-media .slide-error { color: var(--on-media); }
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/* Text-only post: the text is the hero, a serif quote with a crimson opening mark. */
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.slide-quote-w { position: absolute; inset: 0; z-index: 2; pointer-events: none; }
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.slide-quote {
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position: absolute;
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left: 24px;
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right: 28px;
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top: 46%;
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transform: translateY(-50%);
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margin: 0;
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font-family: var(--font-serif), Georgia, serif;
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font-size: 31px;
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font-weight: 600;
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line-height: 1.2;
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white-space: pre-wrap;
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overflow-wrap: anywhere;
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display: -webkit-box;
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-webkit-line-clamp: 8;
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-webkit-box-orient: vertical;
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overflow: hidden;
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}
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.slide-quote::before {
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content: "\201C";
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display: block;
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margin-bottom: 6px;
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color: var(--accent);
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font-size: 84px;
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line-height: .62;
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}
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/* The slide on screen: its content rises in when it snaps into place. */
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.is-cur .slide-meta,
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.is-cur .slide-quote-w { animation: slide-rise .7s var(--ease) both; }
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/* Own-post menu: frosted "..." at the top right, the card's delete confirm under it. */
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.slide-menu { position: absolute; top: 70px; right: 12px; z-index: 6; }
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.slide-menu-btn {
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appearance: none;
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display: grid;
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place-items: center;
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width: 44px;
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height: 44px;
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margin: 0;
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padding: 0;
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border: 0;
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border-radius: 14px;
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color: var(--ink);
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background: var(--glass);
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-webkit-backdrop-filter: blur(16px) saturate(1.6);
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backdrop-filter: blur(16px) saturate(1.6);
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box-shadow: inset 0 0 0 1px var(--line);
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cursor: pointer;
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transition: transform .15s, background-color .2s;
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}
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.slide-menu-btn svg { width: 20px; height: 20px; }
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.slide-menu-btn:active { transform: scale(.92); }
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.slide-menu-btn:disabled { cursor: default; }
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.slide-on-media .slide-menu-btn {
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color: var(--on-media);
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background: var(--media-glass);
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box-shadow: inset 0 0 0 1px var(--on-media-line);
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}
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.slide-menu .post-pop { min-width: 230px; }
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/* Loading slide: a skeleton card in the middle while the next page loads. */
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.slide-load { background: var(--bg); }
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.slide-load .sentinel { position: absolute; top: 0; left: 0; right: 0; }
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.slide-load-body {
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position: absolute;
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inset: 0;
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display: flex;
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flex-direction: column;
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justify-content: center;
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gap: 14px;
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padding: 0 22px 110px;
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}
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.slide-skel {
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display: flex;
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flex-direction: column;
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gap: 10px;
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padding: 16px;
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border: 1px solid var(--line);
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border-radius: var(--r-card);
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}
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.slide-skel-head { display: flex; align-items: center; gap: 12px; }
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.slide-skel-lines { flex: 1; display: flex; flex-direction: column; gap: 8px; }
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.slide-skel i {
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display: block;
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height: 12px;
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border-radius: 6px;
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background: linear-gradient(90deg, var(--tile-2) 0%, var(--tile-3) 40%, var(--tile-2) 80%);
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background-size: 220% 100%;
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animation: slide-shimmer 1.4s linear infinite;
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}
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.slide-skel .slide-skel-hex {
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flex: none;
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width: 46px;
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height: 53px;
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border-radius: 0;
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clip-path: polygon(50% 0, 100% 25%, 100% 75%, 50% 100%, 0 75%, 0 25%);
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}
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/* Empty feed or a failed page, as a slide. */
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.slide-message {
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display: flex;
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flex-direction: column;
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align-items: center;
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justify-content: center;
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gap: 4px;
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padding: 0 24px 110px;
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text-align: center;
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color: var(--ink-3);
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}
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/* New-posts pill floats over the top of the reel. */
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.reel-pill {
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position: absolute;
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top: 76px;
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left: 0;
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right: 0;
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z-index: 8;
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display: flex;
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justify-content: center;
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pointer-events: none;
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animation: feed-pill-in .45s var(--ease) backwards;
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}
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.reel-pill > * { pointer-events: auto; }
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@media (prefers-reduced-motion: reduce) {
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.is-cur .slide-meta,
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.is-cur .slide-quote-w,
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.slide-skel i,
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.reel-pill { animation: none !important; }
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.slide-art { transition: none !important; }
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}
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