/* Base fallbacks; Tailwind utilities are loaded by index.html. */
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; }
button, input, textarea, select { font: inherit; }

/* Matrix Messenger private chat: fixed equal split between media and messages. */
.matrix-private-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  grid-template-rows: minmax(0, 1fr);
  flex: 1 1 0%;
  min-height: 0;
  min-width: 0;
  overflow: hidden;
}
.matrix-private-media-pane {
  min-width: 0;
  min-height: 0;
  height: 100%;
  overflow-y: auto;
  background: #f8fafc;
}
.matrix-private-chat-pane {
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 0;
  height: 100%;
}
.matrix-private-chat-history {
  flex: 1 1 0%;
  min-height: 0;
}
.matrix-channel-placeholder {
  min-height: 112px;
  background: #0f172a;
  color: #f8fafc;
}
@media (max-width: 767px) {
  .matrix-private-split {
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: repeat(2, minmax(0, 1fr));
  }
}


/* Private calls: four independent video tiles (both users' camera + screen). */
.matrix-private-four-grid {
  display: grid !important;
  grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
  align-content: start;
  gap: 8px !important;
  min-width: 0;
}
.matrix-private-four-grid > div {
  min-width: 0;
  overflow: hidden;
}
.matrix-private-four-grid video {
  display: block;
  width: 100% !important;
  height: clamp(76px, 14vh, 170px) !important;
  max-height: none !important;
  aspect-ratio: 16 / 9;
  object-fit: contain;
  background: #05080f;
}
.matrix-private-four-grid .matrix-private-audio {
  grid-column: 1 / -1;
}
.matrix-private-four-grid audio {
  width: 100%;
}
@media (max-width: 380px) {
  .matrix-private-four-grid { gap: 5px !important; }
  .matrix-private-four-grid video { height: clamp(64px, 12vh, 118px) !important; }
}


/* Private DM v35: local participant on top, remote participant below. */
.matrix-private-media-pane.matrix-private-media-stack {
  display: grid !important;
  grid-template-rows: auto auto minmax(0, 1fr) minmax(0, 1fr) !important;
  gap: 8px !important;
  min-height: 0 !important;
  min-width: 0 !important;
  height: 100% !important;
  overflow: hidden !important;
  padding: 8px !important;
  background: #f8fafc;
}
.matrix-private-media-stack .matrix-private-media-toolbar {
  min-width: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 2px 2px 6px;
}
.matrix-private-user-stage {
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 0;
  height: 100%;
  overflow: hidden;
  border: 1px solid #cbd5e1;
  border-radius: 9px;
  background: #0b1220;
  color: #f8fafc;
}
.matrix-private-stage-heading {
  flex: 0 0 auto;
  min-height: 34px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 6px 10px;
  background: #172033;
  color: #f8fafc;
  font-size: 12px;
}
.matrix-private-stage-video {
  display: block;
  flex: 1 1 auto;
  min-width: 0;
  min-height: 0;
  width: 100% !important;
  height: 100% !important;
  max-height: none !important;
  aspect-ratio: auto !important;
  object-fit: contain !important;
  background: #05080f;
}
.matrix-private-stage-placeholder {
  display: flex;
  flex: 1 1 auto;
  align-items: center;
  justify-content: center;
  min-height: 0;
  padding: 12px;
  color: #cbd5e1;
  text-align: center;
  font-size: 12px;
  background: #0b1220;
}
.matrix-private-stage-audio {
  display: block;
  flex: 0 0 30px;
  width: 100%;
  height: 30px;
  max-height: 30px;
  background: #e2e8f0;
}
.matrix-private-stage-status {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: #cbd5e1;
}
@media (max-width: 767px) {
  .matrix-private-media-pane.matrix-private-media-stack {
    grid-template-rows: auto auto minmax(0, 1fr) minmax(0, 1fr) !important;
  }
  .matrix-private-stage-heading { min-height: 30px; padding: 4px 7px; }
}

/* Private screen preview: tap/click either user's screen to expand it. */
.matrix-private-stage-video {
  cursor: zoom-in;
}
.matrix-private-stage-video:fullscreen {
  position: fixed !important;
  inset: 0 !important;
  z-index: 2147483647 !important;
  width: 100vw !important;
  height: 100vh !important;
  max-width: 100vw !important;
  max-height: 100vh !important;
  object-fit: contain !important;
  background: #000 !important;
  cursor: zoom-out;
}

/* v38: keep both share stages stable; fullscreen is entered only from a small icon. */
.matrix-private-user-stage {
  position: relative;
  isolation: isolate;
}
.matrix-private-expand {
  position: absolute !important;
  top: 42px !important;
  right: 10px !important;
  z-index: 20 !important;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  width: 36px !important;
  height: 36px !important;
  min-width: 36px !important;
  min-height: 36px !important;
  padding: 7px !important;
  border: 1px solid rgba(255,255,255,.72) !important;
  border-radius: 9px !important;
  color: #fff !important;
  background: rgba(15,23,42,.78) !important;
  box-shadow: 0 2px 9px rgba(0,0,0,.28) !important;
  cursor: pointer !important;
}
.matrix-private-expand:hover,
.matrix-private-expand:focus-visible {
  background: rgba(37,99,235,.94) !important;
  outline: 2px solid rgba(255,255,255,.9) !important;
  outline-offset: 2px !important;
}
.matrix-private-expand svg { width: 21px !important; height: 21px !important; flex: 0 0 auto; }
.matrix-private-stage-video { cursor: default !important; }
.matrix-private-user-stage:fullscreen {
  position: fixed !important;
  inset: 0 !important;
  z-index: 2147483647 !important;
  display: flex !important;
  flex-direction: column !important;
  width: 100vw !important;
  height: 100vh !important;
  max-width: 100vw !important;
  max-height: 100vh !important;
  min-width: 0 !important;
  min-height: 0 !important;
  margin: 0 !important;
  padding: 0 !important;
  border: 0 !important;
  border-radius: 0 !important;
  background: #000 !important;
}
.matrix-private-user-stage:fullscreen .matrix-private-stage-heading {
  position: relative !important;
  flex: 0 0 42px !important;
  min-height: 42px !important;
  z-index: 2 !important;
}
.matrix-private-user-stage:fullscreen .matrix-private-stage-video {
  display: block !important;
  flex: 1 1 auto !important;
  width: 100% !important;
  height: calc(100vh - 42px) !important;
  max-height: none !important;
  min-height: 0 !important;
  object-fit: contain !important;
  background: #000 !important;
}
.matrix-private-user-stage:fullscreen .matrix-private-expand { top: 45px !important; }
.matrix-private-user-stage:fullscreen .matrix-private-stage-audio {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  opacity: 0 !important;
  pointer-events: none !important;
}
/* The lower/remote stage is reserved for the incoming screen, using the full tile. */
.matrix-private-remote-stage { overflow: hidden !important; }
.matrix-private-remote-stage .matrix-private-stage-video {
  flex: 1 1 auto !important;
  min-height: 0 !important;
  width: 100% !important;
  height: 100% !important;
  object-fit: contain !important;
}
.matrix-private-remote-stage .matrix-private-stage-audio {
  position: absolute !important;
  right: 0 !important;
  bottom: 0 !important;
  width: 1px !important;
  height: 1px !important;
  opacity: 0 !important;
  pointer-events: none !important;
}


/* v40: Keep the complete v38 media component mounted; hide only its local preview.
   This preserves the known-good outgoing-share and remote-stream lifecycle while
   presenting exactly one incoming-share stage to the user. */
.matrix-private-media-pane.matrix-private-media-stack {
  grid-template-rows: auto auto minmax(0, 1fr) !important;
}
.matrix-private-media-stack .matrix-private-local-stage {
  display: none !important;
}
.matrix-private-media-stack .matrix-private-remote-stage {
  display: flex !important;
  grid-row: 3 / 4 !important;
  min-height: 0 !important;
  height: 100% !important;
  overflow: hidden !important;
}

/* Fullscreen is applied to the remote video element, not its parent pane/modal. */
video.matrix-private-stage-video:fullscreen,
video.matrix-private-stage-video:-webkit-full-screen {
  position: fixed !important;
  inset: 0 !important;
  z-index: 2147483647 !important;
  display: block !important;
  width: 100vw !important;
  height: 100vh !important;
  max-width: 100vw !important;
  max-height: 100vh !important;
  min-width: 0 !important;
  min-height: 0 !important;
  margin: 0 !important;
  padding: 0 !important;
  border: 0 !important;
  border-radius: 0 !important;
  object-fit: contain !important;
  background: #000 !important;
  cursor: zoom-out !important;
}