:root{font:15px system-ui,-apple-system,sans-serif;color:#f8f8fb;background:#101014;color-scheme:dark}*{box-sizing:border-box}body{margin:0}button,a,input{font:inherit}button,a{touch-action:manipulation}button{border:0;cursor:pointer}button:focus-visible,a:focus-visible{outline:3px solid #a7f459;outline-offset:3px}.feed{height:100dvh;max-width:480px;margin:0 auto;display:grid;grid-template-rows:48px minmax(0,1fr) auto;background:#101014}header{padding:0 16px;display:flex;align-items:center;gap:12px}header a{color:inherit;text-decoration:none;font-weight:750}h1{font-size:15px;font-weight:600;margin:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:1}h1:focus{outline:none}#position{font-size:12px;color:#b3b3c0}.stage{position:relative;min-height:0;background:#19191f;isolation:isolate}.stage iframe{display:block;width:100%;height:100%;border:0;background:#19191f}.state{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;padding:32px;text-align:center;background:#19191f;z-index:2}.state[hidden]{display:none}.state p{margin:0;max-width:28ch;line-height:1.5}.state button{padding:12px 20px;border-radius:24px;background:#f4f4f7;color:#14141b;min-height:44px}.rail{touch-action:none;display:flex;align-items:center;gap:12px;padding:12px 16px max(12px,env(safe-area-inset-bottom));min-height:80px;background:#24242b}.rail button{border-radius:24px;background:#f4f4f7;color:#14141b;min-height:44px;padding:10px 16px;font-weight:650}.rail button[disabled]{opacity:.4;cursor:default}.rail #gesture{flex:1;text-align:center;font-size:12px;color:#c5c5cf;user-select:none}.rail #share{background:transparent;color:#eeeef5;padding:10px 8px}.link-panel{position:fixed;z-index:4;left:50%;bottom:max(88px,env(safe-area-inset-bottom));transform:translateX(-50%);width:min(440px,calc(100% - 32px));padding:16px;border:1px solid #555563;border-radius:16px;background:#24242b;box-shadow:0 10px 30px #0006}.link-panel[hidden]{display:none}.link-panel label{display:block;margin-bottom:8px}.link-panel input{width:100%;padding:12px;background:#fff;color:#14141b;border:0;border-radius:8px}.link-panel button{margin-top:12px;padding:10px 16px;border-radius:20px;min-height:44px}.sr{position:absolute;width:1px;height:1px;margin:-1px;clip-path:inset(50%);overflow:hidden}@media(min-width:768px){.feed{border-inline:1px solid #34343f}.stage{border-radius:12px;overflow:hidden}.rail{border-radius:12px 12px 0 0}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto}}

.rail{min-height:52px;padding-top:4px;padding-bottom:max(4px,env(safe-area-inset-bottom))}.rail .sr:focus-visible{position:static;width:auto;height:auto;margin:0;clip-path:none;overflow:visible}.rail #gesture{text-align:left}header{touch-action:none}

.feed{grid-template-rows:minmax(0,1fr) auto}.feed>header{position:absolute;padding:0}

/* Keep the app immersive; shell controls float above it. */
.feed{position:relative;display:block}.stage{height:100%}.stage iframe{height:100%}.rail{position:absolute;z-index:3;left:0;right:0;bottom:0;min-height:52px;background:transparent;padding:4px 16px max(4px,env(safe-area-inset-bottom));pointer-events:none}.rail #gesture{flex:0 1 auto;pointer-events:auto;color:#fff;font-weight:600;text-shadow:0 1px 3px #000,0 0 10px #0009;background:#18131d66;border-radius:24px;padding:8px 12px;backdrop-filter:blur(10px)}.rail #share{margin-left:auto;pointer-events:auto;border-radius:24px;color:#fff;background:#18131d99;padding:10px 14px;backdrop-filter:blur(10px);box-shadow:0 1px 5px #0002}.rail button{pointer-events:auto}@media(min-width:768px){.stage,.rail{border-radius:0}}

/* Consumer chrome floats over the full-screen app. */
.feed{position:relative;display:block;height:100dvh}.stage{height:100%;border-radius:0}.rail{position:absolute;inset:auto 0 0;z-index:3;min-height:52px;padding:4px 16px max(4px,env(safe-area-inset-bottom));background:transparent;border:0;box-shadow:none;border-radius:0;pointer-events:none}.rail #previous,.rail #next{display:none}.rail #gesture{flex:0 1 auto;display:flex;align-items:center;min-height:44px;padding:0;font-size:12px;font-weight:500;text-align:left;color:white;background:none;backdrop-filter:none;box-shadow:none;text-shadow:0 1px 4px #000b;pointer-events:auto}.rail #share{margin-left:auto;min-height:44px;padding:10px 0 10px 16px;font-size:14px;color:white;background:none;backdrop-filter:none;box-shadow:none;text-shadow:0 1px 4px #000b;pointer-events:auto}

/* Social chrome overlays the app and reserves no viewport space. */
.feed>.feed-header{position:absolute;z-index:3;inset:0 0 auto;display:flex;align-items:center;justify-content:space-between;gap:8px;min-height:60px;padding:max(4px,env(safe-area-inset-top)) 12px 0 22px;background:linear-gradient(180deg,rgba(9,13,22,.48),rgba(9,13,22,.12) 72%,transparent);pointer-events:none}
.feed-header #restart{pointer-events:auto;display:flex;align-items:center;min-height:44px;min-width:76px;padding:4px 0;background:none}
.feed-header #restart img{width:46px;height:26px;object-fit:contain;opacity:.78;filter:brightness(0) invert(1) drop-shadow(0 1px 2px #0004)}
.header-actions{display:flex;gap:8px;pointer-events:auto}
.header-actions button{display:grid;place-items:center;min-width:44px;min-height:44px;padding:0;background:none;color:#fff;border-radius:50%;filter:drop-shadow(0 1px 3px #0006)}
.header-actions button:disabled{opacity:.4}
#create-panel h2{font-size:18px;margin:0 0 8px}
#create-panel p{margin:0 0 12px;line-height:1.5}
#create-panel a{display:block;color:inherit;padding-block:8px}
#create-panel a[hidden]{display:none}

.stage{view-transition-name:feed-app}
::view-transition-old(root),::view-transition-new(root){animation:none}
::view-transition-group(feed-app){animation-duration:320ms;overflow:hidden}
::view-transition-image-pair(feed-app){isolation:isolate}
::view-transition-old(feed-app),::view-transition-new(feed-app){animation-duration:320ms;animation-timing-function:cubic-bezier(.22,.61,.36,1);animation-fill-mode:both;mix-blend-mode:normal}
::view-transition-old(feed-app){animation-name:feed-leave-forward}
::view-transition-new(feed-app){animation-name:feed-enter-forward}
html[data-feed-direction="back"]::view-transition-old(feed-app){animation-name:feed-leave-back}
html[data-feed-direction="back"]::view-transition-new(feed-app){animation-name:feed-enter-back}
@keyframes feed-leave-forward{to{transform:translateY(-100%)}}
@keyframes feed-enter-forward{from{transform:translateY(100%)}}
@keyframes feed-leave-back{to{transform:translateY(100%)}}
@keyframes feed-enter-back{from{transform:translateY(-100%)}}
@media(prefers-reduced-motion:reduce){::view-transition-group(*),::view-transition-old(*),::view-transition-new(*){animation:none!important}}