/* =========================
   Global wallpaper background
   ========================= */
:root{
  --bg: #000;
  --wallpaper: url("https://static.wixstatic.com/media/cf5365_875be0a445f646378095e91a8d649824~mv2.png");
  --bubble: rgba(26, 30, 36, 0.88);
  --bubble-border: rgba(255,255,255,0.08);
  --text: rgba(255,255,255,0.92);
  --muted: rgba(255,255,255,0.62);
  --accent: #4aa3ff; /* Telegram-ish blue */
  --pill: rgba(255,255,255,0.08);
  --pill-hover: rgba(255,255,255,0.14);
  --pill-selected: rgba(74,163,255,0.22);
  --pill-selected-border: rgba(74,163,255,0.45);
  --gap: 10px;
  --collage-gap: 2px;
  --topbar-h: 56px;
  --feed-max: 860px;
  --collage-h: 260px;
}
@media (min-width: 901px){
  :root{ --collage-h: 320px; }
}

body.no-scroll{
  position: fixed;
  left: 0;
  right: 0;
  width: 100%;
  overflow: hidden;
}

html, body{
  height: 100%;
}
body{
  margin:0;
  background-color: var(--bg);
  background-image: var(--wallpaper);
  background-repeat: repeat;
  background-position: center top;
  background-size: 600px auto; /* fallback */
  color: var(--text);
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  overflow-x: hidden;
}

/* Responsive background-size targets */
@media (max-width: 480px){
  body{ background-size: 1200px auto; }
}
@media (min-width: 481px) and (max-width: 900px){
  body{ background-size: 560px auto; }
}
@media (min-width: 901px){
  body{ background-size: 640px auto; }
}

/* =========================
   Topbar (Telegram-like)
   ========================= */
.topbar{
  position: sticky;
  top: 0;
  height: var(--topbar-h);
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 12px;
  background: rgba(10, 12, 16, 0.72);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.topbar__back{
  width: 40px;
  height: 40px;
  border: 0;
  background: transparent;
  color: rgba(255,255,255,0.90);
  border-radius: 999px;
  display: grid;
  place-items: center;
  cursor: pointer;
}
.topbar__back:hover{ background: rgba(255,255,255,0.08); }
.topbar__back svg{ width: 22px; height: 22px; }

.topbar__title{
  flex: 1;
  text-align: center;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 16px;
  line-height: 1;
  padding: 0 10px;
  user-select: none;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.topbar__avatar{
  width: 36px;
  height: 36px;
  border-radius: 999px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.06);
  flex: 0 0 auto;
}
.topbar__avatar img{
  width:100%;
  height:100%;
  object-fit: cover;
  display:block;
}

/* =========================
   Page + feed
   ========================= */
.page{
  padding: 12px 10px 28px;
}
.feed{
  max-width: var(--feed-max);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--gap); /* 10px gap between post bubbles */
}
.loading{
  padding: 16px;
  text-align: center;
  color: var(--muted);
}

/* =========================
   Post bubble (Telegram-ish)
   ========================= */
.post{
  border-radius: 16px;
  background: var(--bubble);
  border: 1px solid var(--bubble-border);
  box-shadow: 0 10px 24px rgba(0,0,0,0.34);
  overflow: hidden;
}
.post__inner{
  padding: 10px 10px 8px;
}
.post__group{
  font-weight: 800;
  font-size: 13px;
  color: var(--accent);
  margin-bottom: 8px;
}

.post__caption{
  margin-top: 10px;
  font-size: 15px;
  line-height: 1.35;
  color: var(--text);
  white-space: pre-wrap;
  word-break: break-word;
}

/* =========================
   Media collage
   ========================= */
.collage{
  width: 100%;
  height: var(--collage-h);
  display: flex;
  flex-direction: column;
  gap: var(--collage-gap);
  border-radius: 12px;
  overflow: hidden;
}
.collage-row{
  display: grid;
  gap: var(--collage-gap);
  flex: 1 1 auto;
  min-height: 0;
}
.collage-row.cols-2{ grid-template-columns: 1fr 1fr; }
.collage-row.cols-3{ grid-template-columns: 1fr 1fr 1fr; }
.collage-row.cols-4{ grid-template-columns: 1fr 1fr 1fr 1fr; }

/* Special: large left + stacked right */
.collage-split{
  display: grid;
  gap: var(--collage-gap);
  grid-template-columns: 2fr 1fr;
  height: var(--collage-h);
  border-radius: 12px;
  overflow: hidden;
}
.collage-split__right{
  display: grid;
  gap: var(--collage-gap);
}

/* Tile */
.tile{
  position: relative;
  width: 100%;
  height: 100%;
  background: rgba(255,255,255,0.04);
  overflow: hidden;
  cursor: pointer;
}
.tile img, .tile video{
  width: 100%;
  height: 100%;
  object-fit: cover;
  display:block;
}
.tile:active{ transform: scale(0.995); }
.play-badge{
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  pointer-events: none;
}
.play-badge span{
  width: 46px;
  height: 46px;
  border-radius: 999px;
  background: rgba(0,0,0,0.38);
  border: 1px solid rgba(255,255,255,0.18);
  display: grid;
  place-items: center;
  font-size: 18px;
}
.more-badge{
  position:absolute;
  inset:0;
  display:grid;
  place-items:center;
  background: rgba(0,0,0,0.42);
  font-weight: 800;
  font-size: 18px;
  letter-spacing: 0.02em;
  color: rgba(255,255,255,0.95);
}

/* =========================
   Reactions row (Telegram pills)
   ========================= */
.reactions{
  display: flex;
  gap: 8px;
  margin-top: 10px;
  align-items: center;
  flex-wrap: wrap;
}
.pill{
  border: 1px solid rgba(255,255,255,0.10);
  background: var(--pill);
  border-radius: 999px;
  padding: 6px 10px;
  font-size: 14px;
  line-height: 1;
  color: rgba(255,255,255,0.90);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  user-select: none;
}
.pill:hover{ background: var(--pill-hover); }
.pill--selected{
  background: var(--pill-selected);
  border-color: var(--pill-selected-border);
}

/* =========================
   Footer metadata (bottom-right)
   ========================= */
.meta{
  display: flex;
  justify-content: flex-end;
  margin-top: 8px;
  color: var(--muted);
  font-size: 12px;
}
.meta .eye{
  margin-right: 6px;
  opacity: 0.9;
}
.meta .sep{
  margin: 0 6px;
  opacity: 0.55;
}

/* =========================
   Lightbox
   ========================= */
.lightbox{
  position: fixed;
  inset: 0;
  z-index: 200;
  display: none;
}
.lightbox[aria-hidden="false"]{ display:block; }

.lightbox__backdrop{
  position:absolute;
  inset:0;
  background: rgba(0,0,0,0.74);
}
.lightbox__panel{
  position:absolute;
  inset: 12px;
  max-width: 980px;
  margin: auto;
  background: rgba(10, 12, 16, 0.88);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 16px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.lightbox__content{
  flex: 1 1 auto;
  display: grid;
  place-items: center;
  padding: 10px;
  min-height: 0;
}
.lightbox__content img, .lightbox__content video{
  max-width: 100%;
  max-height: 70vh;
  width: auto;
  height: auto;
  border-radius: 12px;
  display:block;
}
.lightbox__caption{
  padding: 10px 12px 12px;
  color: var(--muted);
  font-size: 13px;
  border-top: 1px solid rgba(255,255,255,0.10);
  min-height: 18px;
}

.lightbox__close{
  position:absolute;
  top: 10px;
  right: 10px;
  width: 40px;
  height: 40px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.06);
  color: rgba(255,255,255,0.92);
  cursor:pointer;
  z-index: 3;
}
.lightbox__close:hover{ background: rgba(255,255,255,0.10); }

.lightbox__nav{
  position:absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 56px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,0.10);
  background: rgba(255,255,255,0.06);
  color: rgba(255,255,255,0.92);
  cursor:pointer;
  z-index: 3;
  font-size: 28px;
  line-height: 1;
}
.lightbox__nav:hover{ background: rgba(255,255,255,0.10); }
.lightbox__nav--left{ left: 10px; }
.lightbox__nav--right{ right: 10px; }

@media (max-width: 480px){
  .lightbox__panel{ inset: 8px; }
  .lightbox__nav{ width: 40px; height: 52px; font-size: 26px; }
  .lightbox__nav--left{ left: 8px; }
  .lightbox__nav--right{ right: 8px; }
}