/* StreamGrid floating Messenger launcher.
 * Consumes the same Messenger subtheme contract as /dm and the profile preview.
 */
#message-bubble-container {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 9999;
}

#message-bubble {
  width: 50px;
  height: 50px;
  display: grid;
  place-items: center;
  padding: 0;
  border: 1px solid var(--sg-messenger-border);
  border-radius: 50%;
  background: var(--sg-messenger-accent);
  color: var(--sg-messenger-text);
  font: 800 .82rem/1 inherit;
  cursor: pointer;
  box-shadow: 0 8px 28px var(--sg-glass);
}

#message-bubble:hover,
#message-bubble:focus-visible {
  filter: brightness(1.08);
  outline: none;
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--sg-messenger-accent) 22%, transparent),
              0 8px 28px var(--sg-glass);
}

#message-bubble.has-unread {
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--sg-messenger-accent) 18%, transparent),
              0 8px 28px var(--sg-glass);
}

#message-popup {
  position: absolute;
  right: 0;
  bottom: 60px;
  width: min(320px, calc(100vw - 32px));
  max-height: min(460px, calc(100vh - 100px));
  box-sizing: border-box;
  display: none;
  overflow-y: auto;
  padding: 10px;
  border: 1px solid var(--sg-messenger-border);
  border-radius: var(--sg-radius);
  background: color-mix(in srgb, var(--sg-messenger-surface) 96%, black 4%);
  color: var(--sg-messenger-text);
  box-shadow: 0 18px 50px rgba(0,0,0,.38), 0 0 22px color-mix(in srgb, var(--sg-messenger-accent) 14%, transparent);
  backdrop-filter: blur(var(--sg-blur)) saturate(118%);
}

#message-popup.is-open { display: block; }

.dm-bubble-search {
  position: sticky;
  top: 0;
  z-index: 2;
  width: 100%;
  min-height: 40px;
  box-sizing: border-box;
  margin: 0 0 8px;
  padding: 7px 10px;
  border: 1px solid var(--sg-messenger-border);
  border-radius: max(6px, calc(var(--sg-radius) - 5px));
  background: var(--sg-messenger-surface-2);
  color: var(--sg-messenger-text);
  font: inherit;
  outline: none;
}

.dm-bubble-search::placeholder { color: var(--sg-messenger-faint); }
.dm-bubble-search:focus {
  border-color: var(--sg-messenger-accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--sg-messenger-accent) 16%, transparent);
}

.dm-preview {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 10px;
  align-items: center;
  min-height: 54px;
  padding: 8px;
  border-bottom: 1px solid color-mix(in srgb, var(--sg-messenger-text) 11%, transparent);
  border-radius: max(5px, calc(var(--sg-radius) - 6px));
  color: var(--sg-messenger-text);
  cursor: pointer;
}

.dm-preview:last-child { border-bottom-color: transparent; }
.dm-preview:hover,
.dm-preview:focus-visible {
  background: color-mix(in srgb, var(--sg-messenger-accent) 13%, var(--sg-messenger-surface));
  outline: none;
}
.dm-preview img {
  width: 40px;
  height: 40px;
  object-fit: cover;
  border: 1px solid var(--sg-messenger-border);
  border-radius: max(7px, calc(var(--sg-radius) - 4px));
}
.dm-preview-copy { min-width: 0; }
.dm-preview-name {
  overflow: hidden;
  color: var(--sg-messenger-text);
  font-weight: 800;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.latest-dm-preview,
.dm-preview-hint {
  margin-top: 3px;
  overflow: hidden;
  color: var(--sg-messenger-muted);
  font-size: .76rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.dm-bubble-empty {
  margin: 0;
  padding: 18px 10px;
  color: var(--sg-messenger-muted);
  text-align: center;
  font-size: .84rem;
}

@media (max-width: 600px) {
  #message-bubble-container { right: 12px; bottom: 12px; }
  #message-popup {
    position: fixed;
    top: 10%;
    right: 5%;
    bottom: auto;
    left: 5%;
    width: 90%;
    max-height: 70vh;
  }
}