/* Real QQ excerpts: compact floating feedback and readable support exchanges. */
.chat-stream {
  --chat-columns: 3;
  --chat-travel: -710px;
  position: relative;
  isolation: isolate;
  display: block;
  height: 480px;
  width: 100%;
  max-width: 1060px;
  margin: 28px auto 0;
  padding: 0;
  overflow: hidden;
  contain: layout paint;
  mask-image: linear-gradient(transparent, #000 12%, #000 82%, transparent);
  -webkit-mask-image: linear-gradient(transparent, #000 12%, #000 82%, transparent);
}
.chat-float {
  position: absolute;
  top: 100%;
  left: calc(var(--lane) * (100% / var(--chat-columns)) + 1%);
  width: calc(100% / var(--chat-columns) - 2%);
  animation: chatRise var(--duration, 40s) linear var(--delay, 0s) infinite;
  will-change: transform, opacity;
}
.chat-bubble {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 15px 16px;
  border: 1px solid rgba(133, 245, 234, .24);
  border-radius: 16px 16px 16px 4px;
  background: linear-gradient(130deg, rgba(25, 48, 49, .94), rgba(22, 20, 37, .96));
}
.chat-float:nth-child(3n + 2) .chat-bubble {
  border-color: rgba(178, 162, 255, .28);
  background: linear-gradient(130deg, rgba(44, 33, 62, .94), rgba(23, 20, 37, .96));
}
.chat-float:nth-child(3n) .chat-bubble {
  border-color: rgba(169, 183, 216, .24);
  background: linear-gradient(130deg, rgba(28, 35, 50, .95), rgba(22, 19, 35, .96));
}
.chat-avatar {
  display: block;
  flex: 0 0 32px;
  width: 32px;
  height: 32px;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: 10px;
  background: #352b46;
  color: transparent;
  font-size: 0;
}
.chat-avatar.avatar-unavailable {
  object-fit: none;
  background: #463956;
}
.chat-copy { min-width: 0; }
.chat-meta {
  display: block;
  margin: 0 0 5px;
  color: #b9caca;
  font-size: 12px;
  line-height: 1.5;
  font-weight: 400;
}
.chat-float:nth-child(3n + 2) .chat-meta { color: #c7bddc; }
.chat-float:nth-child(3n) .chat-meta { color: #bdc7db; }
.chat-text {
  margin: 0;
  color: #f3effb;
  font-size: 14px;
  font-weight: 450;
  line-height: 1.75;
  overflow-wrap: anywhere;
}
.chat-stream:hover .chat-float,
.chat-stream.flow-paused .chat-float,
.chat-stream.is-paused .chat-float,
.motion-paused .chat-float { animation-play-state: paused; }
.chat-stream.flow-paused .chat-float { will-change: auto; }
@keyframes chatRise {
  0% { transform: translate3d(0, 0, 0); opacity: 0; }
  9% { opacity: 1; }
  80% { opacity: 1; }
  100% { transform: translate3d(var(--sway, 0px), var(--chat-travel), 0); opacity: 0; }
}

.chat-controls,
.story-toolbar {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}
.chat-controls button,
.story-toolbar button {
  min-height: 44px;
  padding: 9px 15px;
  border: 1px solid #62536f;
  border-radius: 8px;
  background: #181321;
  color: #dfd5ed;
  font: inherit;
  font-size: 12px;
  line-height: 1.6;
  cursor: pointer;
}
.chat-controls button:hover:not(:disabled),
.story-toolbar button:hover:not(:disabled) {
  color: var(--cyan, #85f5ea);
  border-color: #85c1b9;
  background: #172526;
}
.chat-controls button[aria-pressed="true"],
.story-toolbar button[aria-pressed="true"] {
  color: #a5f0e6;
  border-color: #648f8b;
  background: #1b3030;
}
.chat-controls button:disabled,
.story-toolbar button:disabled { opacity: .65; cursor: default; }
.chat-controls button:focus-visible,
.story-toolbar button:focus-visible,
.chat-source summary:focus-visible,
.support-thread-dots button:focus-visible {
  outline: 2px solid var(--cyan, #85f5ea);
  outline-offset: 4px;
}
.chat-static-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-items: start;
  gap: 18px;
  max-width: 1060px;
  margin: 32px auto 0;
  padding: 0;
}
.chat-static-card {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  align-items: start;
  gap: 12px;
  min-width: 0;
  padding: 20px;
  background: #181422;
  border: 1px solid #4a3e59;
  border-radius: 14px;
  text-align: left;
}
.chat-static-card .chat-meta { color: #bcb1cd; }
.chat-source {
  grid-column: 1 / -1;
  min-width: 0;
  margin-top: 5px;
  border-top: 1px solid rgba(188, 177, 205, .18);
}
.chat-source summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  min-height: 44px;
  padding: 10px 0;
  color: #bfb1d9;
  font-size: 12px;
  line-height: 1.7;
  list-style: none;
  cursor: pointer;
}
.chat-source summary::-webkit-details-marker { display: none; }
.chat-source summary:hover,
.chat-source[open] summary { color: var(--cyan, #85f5ea); }
.chat-source summary span { color: #b3a9c4; font-size: 11px; font-variant-numeric: tabular-nums; }
.chat-source blockquote {
  margin: 0 0 12px;
  padding: 0;
  border: 0;
  color: #ece6f5;
  font-size: 14px;
  line-height: 1.85;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}
.chat-source p {
  margin: 0 0 12px;
  color: #bdb2ce;
  font-size: 12px;
  line-height: 1.9;
}
.chat-source > small {
  display: block;
  color: #afa3c0;
  font-size: 11px;
  line-height: 1.8;
}
.chat-empty { grid-column: 1 / -1; padding: 30px 0; text-align: center; color: #c5bad5; }
.chat-stream[hidden],
.chat-static-list[hidden],
.support-chat-stage[hidden],
.support-chat-static[hidden],
.support-thread-dots[hidden] { display: none !important; }

.support-conversations {
  display: grid;
  grid-template-columns: minmax(220px, .8fr) minmax(0, 1.3fr);
  align-items: center;
  gap: 70px;
  padding: 76px 0 62px;
  margin-top: 54px;
  border-top: 1px solid var(--line, rgba(197, 190, 242, .16));
  border-bottom: 1px solid var(--line, rgba(197, 190, 242, .16));
}
.support-conversations h2 {
  font-size: 32px;
  line-height: 1.5;
  font-weight: 550;
  letter-spacing: -.025em;
  text-wrap: balance;
}
.support-conversations h2 span { color: #c1b7de; }
.support-conversations > div > p,
.support-conversations .conversation-intro > p {
  max-width: 37ch;
  margin-top: 18px;
  color: #b9afca;
  font-size: 14px;
  line-height: 1.95;
}
.support-conversations .text-link { margin-top: 23px; min-height: 44px; }
.support-conversations .conversation-intro > .conversation-source-note { color: #aa9dbc; font-size: 12px; line-height: 1.9; }
.support-conversations > div { min-width: 0; }
.support-chat-stage {
  min-height: 360px;
  max-width: 620px;
  width: 100%;
  margin: 24px auto 0;
  isolation: isolate;
}
.support-thread { min-width: 0; }
.support-thread-heading {
  padding-bottom: 17px;
  margin-bottom: 22px;
  border-bottom: 1px solid rgba(188, 177, 205, .16);
}
.support-thread-heading h3 {
  color: #f3effb;
  font-size: 18px;
  line-height: 1.55;
  font-weight: 550;
  letter-spacing: -.015em;
  margin: 0 0 7px;
}
.support-thread-heading .chat-meta { color: #b5a9ca; font-size: 11px; margin: 0; }
.support-thread-lines { display: grid; gap: 18px; }
.support-chat-line {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  align-items: start;
  gap: 12px;
  max-width: 94%;
}
.support-chat-line[data-role="support"] { margin-left: 24px; max-width: calc(100% - 24px); }
.support-chat-copy { min-width: 0; }
.support-chat-copy > small {
  display: block;
  margin: 0 0 5px;
  color: #b5a9ca;
  font-size: 11px;
  line-height: 1.65;
}
.support-chat-copy > p {
  display: inline-block;
  margin: 0;
  padding: 10px 14px;
  color: #e9e4f2;
  background: #211a2e;
  border-radius: 4px 13px 13px 13px;
  font-size: 14px;
  line-height: 1.8;
  overflow-wrap: anywhere;
}
.support-chat-line[data-role="support"] .support-chat-copy > p {
  background: #183331;
  color: #dcf5ee;
}
.support-chat-line[data-role="support"] .support-chat-copy > small { color: #a5d5cc; }
.support-thread.thread-enter { animation: supportThreadEnter 420ms cubic-bezier(.16, 1, .3, 1) both; }
@keyframes supportThreadEnter {
  from { opacity: .2; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}
.support-thread-dots { display: flex; align-items: center; gap: 2px; margin: 6px 0 8px; }
.support-thread-dots button {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  padding: 0;
  background: transparent;
  color: transparent;
  font-size: 0;
  border: 0;
  border-radius: 8px;
  cursor: pointer;
}
.support-thread-dots button > span {
  display: block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #756485;
  transition: width 180ms, background 180ms;
}
.support-thread-dots button[aria-current="true"] > span,
.support-thread-dots button[aria-selected="true"] > span,
.support-thread-dots button[aria-pressed="true"] > span { width: 20px; border-radius: 4px; background: #85f5ea; }
.support-thread-dots button:hover > span { background: #c6b1ea; }
.support-conversations .chat-controls { margin-top: 4px; }
.support-conversations .story-hint,
#support-chat-hint {
  margin: 14px 0 0;
  color: #ada1be;
  font-size: 11px;
  line-height: 1.85;
  text-align: left;
}
.support-chat-static { display: grid; gap: 34px; margin-top: 24px; }
.support-chat-static .support-thread + .support-thread { padding-top: 14px; }
.support-chat-static .chat-source { margin-top: 20px; }
.support-conversations:has(.support-chat-static:not([hidden])) { align-items: start; }

@media (max-width: 1000px) {
  .chat-bubble { padding: 14px 13px; gap: 10px; }
  .chat-static-list { gap: 14px; grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .support-conversations { gap: 40px; grid-template-columns: minmax(210px, .85fr) minmax(0, 1.2fr); }
  .support-conversations h2 { font-size: 29px; }
}
@media (max-width: 760px) {
  .support-conversations { display: block; padding: 43px 0 42px; margin-top: 36px; }
  .support-conversations h2 { font-size: 27px; line-height: 1.5; }
  .support-conversations > div > p,
  .support-conversations .conversation-intro > p { margin-top: 13px; max-width: 42ch; font-size: 13px; }
  .support-conversations .text-link { margin-top: 13px; }
  .support-chat-stage { margin-top: 26px; min-height: 342px; max-width: 440px; }
  .support-thread-heading { padding-bottom: 15px; margin-bottom: 20px; }
  .support-thread-heading h3 { font-size: 17px; }
  .support-chat-line { max-width: 100%; gap: 10px; }
  .support-chat-line[data-role="support"] { margin-left: 14px; max-width: calc(100% - 14px); }
  .support-chat-copy > p { padding: 9px 12px; font-size: 13px; }
  .support-thread-lines { gap: 16px; }
  .support-thread-dots { margin-top: 1px; }
  .support-chat-static { margin-top: 24px; gap: 28px; }
}
@media (max-width: 700px) {
  .chat-stream {
    --chat-columns: 1;
    --chat-travel: -680px;
    height: 480px;
    max-width: 360px;
    margin-top: 18px;
  }
  .chat-float { left: 3%; width: 94%; animation-delay: var(--mobile-delay, 0s); }
  .chat-bubble { gap: 12px; padding: 14px 15px; }
  .chat-text { font-size: 14px; line-height: 1.75; }
  .chat-meta { font-size: 11px; }
  .chat-static-list { grid-template-columns: 1fr; max-width: 440px; margin-top: 25px; gap: 14px; }
  .chat-static-card { padding: 18px; }
  .chat-controls, .story-toolbar { gap: 9px; }
  .chat-controls button, .story-toolbar button { padding: 9px 13px; }
}
@media (prefers-reduced-motion: reduce) {
  .chat-float, .support-thread.thread-enter { animation: none; will-change: auto; }
  .chat-stream { display: none; }
  .support-thread-dots button > span { transition: none; }
  .chat-static-list[hidden] { display: grid !important; }
}