/* ---- sky: faint stars that drift slightly as you pan ---- */
#sky { position: fixed; inset: 0; z-index: 0; overflow: hidden; pointer-events: none; }
#stars {
  position: absolute; inset: -160px;
  background-image:
    radial-gradient(1.2px 1.2px at 40px 60px, var(--star), transparent),
    radial-gradient(1px 1px at 190px 140px, var(--star), transparent),
    radial-gradient(1.6px 1.6px at 310px 30px, var(--star), transparent),
    radial-gradient(1px 1px at 120px 270px, var(--star), transparent),
    radial-gradient(1.2px 1.2px at 260px 330px, var(--star), transparent);
  background-size: 397px 389px;
  opacity: 0.55;
  will-change: transform;
}
#stars::after {
  content: ""; position: absolute; inset: 0;
  background-image:
    radial-gradient(1px 1px at 70px 100px, var(--star), transparent),
    radial-gradient(1.4px 1.4px at 230px 210px, var(--star), transparent),
    radial-gradient(1px 1px at 350px 300px, var(--star), transparent);
  background-size: 263px 251px;
  opacity: 0.7;
}

/* ---- masthead ---- */
#masthead {
  position: fixed; top: 0; left: 0; right: 0; z-index: var(--z-chrome);
  padding: calc(env(safe-area-inset-top) + 18px) 22px 36px;
  background: linear-gradient(to bottom, color-mix(in srgb, var(--bg-0) 88%, transparent), transparent);
  pointer-events: none;
}
.masthead-name {
  display: flex; align-items: center; gap: 10px; margin: 0;
  font-family: var(--font-serif); font-weight: 500; font-size: 1.3125rem; line-height: 1.2;
  letter-spacing: 0.005em;
}
.masthead-name::before {
  content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--light); flex: none;
  box-shadow: 0 0 12px 3px color-mix(in srgb, var(--light) 60%, transparent);
}
.masthead-stat { margin: 2px 0 0 18px; font-size: var(--text-xs); color: var(--text-faint); }
.stat-dot { margin: 0 7px; }
.stat-answered { color: var(--answered); font-weight: 600; }

/* ---- wall ---- */
#viewport {
  position: fixed; inset: 0; z-index: var(--z-wall);
  overflow: hidden; touch-action: none; cursor: grab; outline: none;
}
#viewport.is-dragging { cursor: grabbing; }
#world { position: absolute; left: 0; top: 0; transform-origin: 0 0; will-change: transform; }

.card {
  position: absolute; left: 0; top: 0;
  width: var(--card-w);
  translate: var(--x, 0px) var(--y, 0px);
  --warmth: 0;
  --glow: 0.6; /* the same soft glow on every card */
  padding: 20px 20px 16px;
  border-radius: var(--radius-card);
  background: linear-gradient(165deg, var(--glass-top), var(--glass-bottom));
  border: 1px solid color-mix(in srgb, var(--light) calc(var(--glow) * 40%), var(--glass-edge));
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.07),
    0 18px 38px -22px var(--card-shadow),
    0 0 calc(4px + var(--glow) * 18px) calc(var(--glow) * -4px)
      color-mix(in srgb, var(--light) calc(var(--glow) * 26%), transparent);
  color: var(--text);
  cursor: pointer;
  text-align: left;
  font: inherit;
  appearance: none;
  display: block;
  overflow: hidden;
  isolation: isolate;
  transition: transform var(--dur-2) var(--ease-out), opacity var(--dur-3) ease,
    box-shadow var(--dur-3) ease, border-color var(--dur-3) ease;
}
/* warm cards are lit from inside */
.card::before {
  content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none; border-radius: inherit;
  background: radial-gradient(120% 90% at 0% 0%,
    color-mix(in srgb, var(--light) calc(var(--glow) * 16%), transparent), transparent 66%);
}
.card:hover { transform: translateY(-3px); }
.card:active { transform: scale(0.985); }

/* Panning a big wall stays smooth because the browser skips drawing cards that are off-screen.
   The measured height is kept (--h) so nothing shifts when they scroll into view. */
.card.is-sized { content-visibility: auto; contain-intrinsic-size: var(--card-w) var(--h, 200px); }

.card-text { margin: 0; white-space: pre-wrap; overflow-wrap: anywhere; }
.card[data-type="typed"] .card-text {
  font-family: var(--font-serif); font-size: var(--text-card); line-height: 1.5;
  font-optical-sizing: auto;
}
.card-photo {
  width: 100%; aspect-ratio: 4 / 5; object-fit: cover;
  border-radius: 12px; background: color-mix(in srgb, var(--text) 8%, transparent);
}
.card-photo.is-loaded { aspect-ratio: auto; }
.card[data-type="image"] { padding: 10px 10px 14px; }
.card[data-type="image"] .card-foot { margin: 12px 8px 0; }

.card-foot {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  margin-top: 16px; min-height: 22px;
  font-size: var(--text-xs); font-weight: 500; color: var(--text-faint);
}
.card-count { display: inline-flex; align-items: center; gap: 6px; }
.card-count svg { width: 14px; height: 14px; color: color-mix(in srgb, var(--light) calc(40% + var(--warmth) * 60%), var(--text-faint)); }
.badge-answered {
  display: inline-flex; align-items: center; gap: 5px; padding: 2px 9px 2px 7px;
  border-radius: var(--radius-pill); color: var(--answered);
  background: color-mix(in srgb, var(--answered) 14%, transparent);
  border: 1px solid color-mix(in srgb, var(--answered) 38%, transparent);
}
.badge-answered svg { width: 12px; height: 12px; }

/* zoomed far out the wall becomes a field of soft lights */
#world.is-far .card { background: none; border-color: transparent; box-shadow: none; overflow: visible; }
#world.is-far .card > * { opacity: 0; }
#world.is-far .card::before {
  inset: -22% -8%; border-radius: 50%;
  background: radial-gradient(closest-side,
    color-mix(in srgb, var(--light) calc(30% + var(--warmth) * 70%), transparent),
    color-mix(in srgb, var(--light) calc(10% + var(--warmth) * 30%), transparent) 55%,
    transparent);
}
#world .card > * { transition: opacity var(--dur-2) ease; }

/* ---- floating controls ---- */
#tools {
  position: fixed; z-index: var(--z-chrome);
  right: calc(env(safe-area-inset-right) + 22px); top: calc(env(safe-area-inset-top) + 16px);
  display: flex; gap: 8px;
}
/* zoom and recenter: one small pill, level with the dock at the bottom right */
#zoomer {
  position: fixed; z-index: var(--z-chrome);
  right: calc(env(safe-area-inset-right) + 22px); bottom: calc(env(safe-area-inset-bottom) + 18px);
  display: flex; gap: 2px; padding: 6px;
  background: var(--panel); border: 1px solid var(--glass-edge); border-radius: var(--radius-pill);
  backdrop-filter: blur(18px) saturate(1.3); -webkit-backdrop-filter: blur(18px) saturate(1.3);
  box-shadow: 0 16px 40px -16px var(--card-shadow);
}
#zoomer .btn-icon { width: 48px; height: 48px; background: none; border: 0; backdrop-filter: none; -webkit-backdrop-filter: none; }
#zoomer .btn-icon:hover { background: color-mix(in srgb, var(--text) 10%, transparent); }
/* the chrome steps back while you drag the wall, so nothing sits over the cards you are moving */
#dock, #zoomer, #tools { transition: opacity var(--dur-2) ease; }
body:has(#viewport.is-dragging) #dock, body:has(#viewport.is-dragging) #zoomer, body:has(#viewport.is-dragging) #tools { opacity: 0.35; }
/* narrower windows: the zoom pill rises above the dock instead of crowding it */
@media (min-width: 641px) and (max-width: 900px) {
  #zoomer { bottom: calc(env(safe-area-inset-bottom) + 92px); }
}
#dock {
  position: fixed; z-index: var(--z-chrome);
  left: 50%; transform: translateX(-50%);
  bottom: calc(env(safe-area-inset-bottom) + 18px);
  display: flex; gap: 6px; padding: 6px;
  background: var(--panel); border: 1px solid var(--glass-edge); border-radius: var(--radius-pill);
  backdrop-filter: blur(18px) saturate(1.3); -webkit-backdrop-filter: blur(18px) saturate(1.3);
  box-shadow: 0 16px 40px -16px var(--card-shadow);
}

.popover {
  position: fixed; z-index: calc(var(--z-chrome) + 1);
  right: calc(env(safe-area-inset-right) + 22px); top: calc(env(safe-area-inset-top) + 72px);
  min-width: 190px; padding: 8px;
  background: var(--panel); border: 1px solid var(--glass-edge); border-radius: var(--radius-sheet);
  backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px);
  box-shadow: 0 20px 50px -18px var(--card-shadow);
}
.theme-option {
  display: flex; align-items: center; gap: 12px; width: 100%; padding: 10px 12px;
  background: none; border: 0; border-radius: 16px; color: var(--text); cursor: pointer; text-align: left;
  font-size: var(--text-sm);
}
.theme-option:hover { background: color-mix(in srgb, var(--text) 8%, transparent); }
.theme-option[aria-checked="true"] { background: color-mix(in srgb, var(--light) 16%, transparent); }
.theme-swatch {
  width: 22px; height: 22px; border-radius: 50%; flex: none;
  border: 1px solid var(--glass-edge);
}

#empty-state {
  position: fixed; inset: 0; z-index: var(--z-wall); display: grid; place-items: center;
  padding: 24px; text-align: center; pointer-events: none;
}
#empty-state p { max-width: 30ch; font-family: var(--font-serif); font-size: var(--text-lg); color: var(--text-soft); }

@media (max-width: 640px) {
  .masthead-name { font-size: 1.1875rem; }
  /* phones: theme and sound at the top right, with the recenter button as the last one in the row */
  #tools { top: calc(env(safe-area-inset-top) + 14px); right: calc(env(safe-area-inset-right) + 66px); }
  #zoomer {
    top: calc(env(safe-area-inset-top) + 14px); right: calc(env(safe-area-inset-right) + 12px); bottom: auto;
    padding: 0; background: none; border: 0; box-shadow: none; backdrop-filter: none; -webkit-backdrop-filter: none;
  }
  #zoomer .btn-icon { width: 46px; height: 46px; background: var(--panel); border: 1px solid var(--glass-edge); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); }
  .popover { top: calc(env(safe-area-inset-top) + 68px); right: calc(env(safe-area-inset-right) + 66px); }
}

/* first load: cards kindle outward from the middle of the wall */
.card.is-kindling { animation: kindle 1100ms var(--ease-out) backwards; animation-delay: var(--d, 0ms); }
@keyframes kindle { from { opacity: 0; scale: 0.94; } to { opacity: 1; scale: 1; } }

/* layout changes (a photo finishing loading) glide instead of jumping */
#world.is-settled .card { transition: transform var(--dur-2) var(--ease-out), opacity var(--dur-3) ease,
  box-shadow var(--dur-3) ease, border-color var(--dur-3) ease, translate var(--dur-3) var(--ease-out); }

/* touch screens zoom by pinching, so the zoom buttons would only add clutter */
@media (pointer: coarse) { #btn-zoom-in, #btn-zoom-out { display: none; } }

/* ---- phone feed: one column, scrolls like any app ---- */
#viewport.is-feed {
  overflow-x: hidden; overflow-y: auto; touch-action: pan-y; cursor: auto;
  overscroll-behavior: contain; -webkit-overflow-scrolling: touch;
}
#world.is-feed {
  position: static; transform: none !important; will-change: auto; width: auto; height: auto;
  display: flex; flex-direction: column; align-items: center; gap: 16px;
  padding: calc(env(safe-area-inset-top) + 88px) 16px calc(env(safe-area-inset-bottom) + 112px);
}
#world.is-feed .card { position: relative; translate: none; width: 100%; max-width: 520px; }
#world.is-feed .card-foot { flex-wrap: wrap; row-gap: 12px; }
#world.is-feed .card-pray { min-width: 0; height: 44px; padding: 0 20px; margin-left: auto; }

/* ---- sort and filter ---- */
.card.is-filtered { display: none; }
#btn-filter { position: relative; }
#btn-filter[data-active]::after {
  content: ""; position: absolute; top: 9px; right: 11px; width: 9px; height: 9px; border-radius: 50%;
  background: var(--light); box-shadow: 0 0 8px var(--light);
}
@media (max-width: 640px) {
  #dock #btn-filter { width: 48px; padding: 0; }
  #btn-filter span { display: none; }
  #btn-filter[data-active]::after { top: 8px; right: 8px; }
  #dock .btn { padding: 0 18px; }
  #dock #btn-filter { padding: 0; }
}