.pageShell {
  position: relative;
  min-height: 100vh;
  padding: 24px;
  z-index: 1;
}

/* background */

.chatBg {
  position: fixed;
  inset: 0;
  overflow: hidden;
  z-index: -1;
  background:
    radial-gradient(circle at top, rgba(255,255,255,0.30), transparent 24%),
    linear-gradient(180deg, #fff8fc 0%, #ffeef8 40%, #ffddea 100%);
}

.chatGlow {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.42;
  animation: glowFloat 14s ease-in-out infinite;
}

.glow1 {
  width: 320px;
  height: 320px;
  background: rgba(255, 150, 205, 0.24);
  left: 8%;
  top: 10%;
}

.glow2 {
  width: 360px;
  height: 360px;
  background: rgba(207, 180, 255, 0.18);
  right: 10%;
  top: 14%;
  animation-delay: 2s;
}

.glow3 {
  width: 380px;
  height: 380px;
  background: rgba(255, 205, 230, 0.34);
  left: 50%;
  bottom: -6%;
  transform: translateX(-50%);
  animation-delay: 4s;
}

@keyframes glowFloat {
  0%, 100% {
    transform: translate(0, 0) scale(1);
  }
  50% {
    transform: translate(18px, -14px) scale(1.06);
  }
}

.chatGrid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.14) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.12) 1px, transparent 1px);
  background-size: 44px 44px;
  opacity: 0.08;
}

.chatSpark {
  position: absolute;
  pointer-events: none;
  user-select: none;
  opacity: 0.28;
  animation: sparkFloat 8s ease-in-out infinite;
}

.spark1 {
  left: 10%;
  top: 24%;
  font-size: 34px;
  color: #ff9ccc;
}

.spark2 {
  right: 14%;
  top: 18%;
  font-size: 28px;
  color: #ffb8dc;
  animation-delay: 1.8s;
}

.spark3 {
  right: 34%;
  top: 35%;
  font-size: 22px;
  color: #ffc8e6;
  animation-delay: 0.8s;
}

.spark4 {
  left: 18%;
  bottom: 18%;
  font-size: 18px;
  color: #e3a1ff;
  animation-delay: 1.4s;
}

.spark5 {
  right: 20%;
  bottom: 26%;
  font-size: 24px;
  color: #ff91c0;
  animation-delay: 2.2s;
}

@keyframes sparkFloat {
  0%, 100% {
    transform: translateY(0px) rotate(0deg);
  }
  50% {
    transform: translateY(-10px) rotate(4deg);
  }
}

/* local nav */

.topNav {
  max-width: 1320px;
  margin: 0 auto 18px;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 14px;
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.34);
  border: 1px solid rgba(255,255,255,0.58);
  box-shadow:
    0 16px 36px rgba(255, 154, 206, 0.12),
    inset 0 0 0 1px rgba(255,255,255,0.18);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.navLogoWrap {
  width: 56px;
  height: 56px;
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.34);
  border: 1px solid rgba(255,255,255,0.48);
  flex-shrink: 0;
  text-decoration: none;
}

.navLogo {
  width: 34px;
  height: 34px;
  object-fit: contain;
  display: block;
}

.navLinks {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  width: 100%;
}

.navButton {
  flex: 1 1 120px;
  min-height: 46px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  text-decoration: none;
  color: #9a4f7d;
  font-weight: 700;
  background: rgba(255,255,255,0.26);
  border: 1px solid rgba(255,255,255,0.54);
  border-radius: 999px;
  padding: 12px 18px;
  transition: 0.24s ease;
}

.navButton:hover,
.navButton.active {
  color: #ffffff;
  background: linear-gradient(135deg, rgba(255, 140, 195, 0.82), rgba(211, 176, 255, 0.76));
  box-shadow:
    0 0 20px rgba(255, 166, 210, 0.22),
    inset 0 0 10px rgba(255,255,255,0.12);
  transform: translateY(-2px);
}

/* header */

.chatHeader {
  max-width: 1100px;
  margin: 0 auto 18px;
  text-align: center;
  padding: 14px 10px 4px;
}

.chatTiny {
  display: inline-block;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(255,255,255,0.40);
  border: 1px solid rgba(255,255,255,0.60);
  color: #c15d94;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.4px;
  text-transform: lowercase;
}

.chatTitle {
  margin: 14px 0 8px;
  font-size: clamp(52px, 8vw, 100px);
  line-height: 0.95;
  background: linear-gradient(180deg, #ff86bf 0%, #ff4ca5 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 12px rgba(255, 120, 180, 0.24));
}

.chatSubtitle {
  margin: 0 auto;
  max-width: 760px;
  color: #b85789;
  font-size: 18px;
  line-height: 1.8;
  font-weight: 700;
}

/* room */

.chatScene {
  max-width: 1320px;
  margin: 0 auto;
}

.communityRoom {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr) 240px;
  gap: 20px;
  align-items: start;
  border-radius: 38px;
  padding: 28px 24px;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.18), rgba(255,255,255,0.11));
  border: 1px solid rgba(255,255,255,0.46);
  box-shadow:
    0 20px 48px rgba(255, 154, 206, 0.10),
    inset 0 0 0 1px rgba(255,255,255,0.14);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  animation: roomFloat 6s ease-in-out infinite;
}

@keyframes roomFloat {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-6px); }
}

.leftColumn,
.rightColumn,
.centerColumn {
  display: grid;
  gap: 18px;
}

/* cards */

.noteCard,
.infoCard,
.chatHeroCard,
.chatEmbedCard,
.chatControlsCard {
  box-shadow:
    0 18px 34px rgba(255, 154, 206, 0.12),
    inset 0 0 0 1px rgba(255,255,255,0.12);
}

.noteCard,
.infoCard,
.chatControlsCard {
  padding: 20px 18px;
  border-radius: 24px;
  background: linear-gradient(180deg, #fff4fb 0%, #ffe7f5 100%);
  border: 1px solid rgba(255,255,255,0.76);
}

.tiltedLeft {
  transform: rotate(-2deg);
}

.cardTag {
  display: inline-block;
  margin-bottom: 10px;
  color: #c15e93;
  font-size: 12px;
  font-weight: 700;
  text-transform: lowercase;
  letter-spacing: 0.4px;
}

.noteCard h3,
.infoCard h3,
.chatControlsCard h3 {
  margin: 0 0 10px;
  color: #b44f82;
  line-height: 1.08;
  font-size: 26px;
}

.noteCard p,
.infoCard p,
.chatControlsText {
  margin: 0;
  color: #8d5374;
  line-height: 1.82;
}

.infoList {
  margin: 0;
  padding-left: 18px;
  color: #8d5374;
  line-height: 1.9;
}

/* controls */

.chatControlsTop {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}

.streamModeBtn {
  border: 1px solid rgba(255,255,255,0.76);
  background: #fff0f8;
  color: #a94b7e;
  font-weight: 700;
  border-radius: 999px;
  padding: 10px 14px;
  cursor: pointer;
  transition: 0.22s ease;
  box-shadow: 0 8px 18px rgba(255, 154, 206, 0.10);
}

.streamModeBtn:hover {
  transform: translateY(-2px) scale(1.03);
}

.streamModeBtn[aria-pressed="true"] {
  background: linear-gradient(135deg, #ff7ebb, #ff9ed3);
  color: white;
  box-shadow:
    0 0 26px rgba(255, 120, 190, 0.26),
    0 10px 24px rgba(255, 154, 206, 0.16);
}

/* hero card */

.chatHeroCard {
  position: relative;
  overflow: hidden;
  padding: 24px;
  border-radius: 28px;
  background:
    linear-gradient(135deg, rgba(255,244,251,0.86), rgba(255,228,242,0.82));
  border: 1px solid rgba(255,255,255,0.70);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.chatHeroGlow {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at center, rgba(255, 128, 195, 0.18), transparent 58%);
  pointer-events: none;
  animation: heroPulse 4.5s ease-in-out infinite;
}

@keyframes heroPulse {
  0%, 100% {
    opacity: 0.6;
    transform: scale(1);
  }
  50% {
    opacity: 1;
    transform: scale(1.05);
  }
}

.chatHeroContent {
  position: relative;
  z-index: 2;
  text-align: center;
}

.heroMini {
  display: inline-block;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255,255,255,0.42);
  border: 1px solid rgba(255,255,255,0.60);
  color: #c15e93;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.4px;
  text-transform: lowercase;
  margin-bottom: 10px;
}

.chatHeroContent h2 {
  margin: 0 0 8px;
  font-size: 44px;
  line-height: 1.02;
  color: #b44f82;
}

.chatHeroContent p {
  margin: 0;
  color: #8d5374;
  line-height: 1.82;
}

/* embed */

.chatEmbedCard {
  border-radius: 28px;
  overflow: hidden;
  background: rgba(255,255,255,0.40);
  border: 1px solid rgba(255,255,255,0.60);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow:
    0 0 30px rgba(255,160,210,0.18),
    0 18px 34px rgba(255,154,206,0.12),
    inset 0 0 0 1px rgba(255,255,255,0.12);
}

.windowBar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  background: rgba(255,255,255,0.22);
  border-bottom: 1px solid rgba(255,255,255,0.34);
}

.windowDots {
  display: flex;
  gap: 6px;
}

.windowDots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255,255,255,0.72);
}

.windowTitle {
  color: #9d5d86;
  font-size: 13px;
  font-weight: 700;
}

.chatEmbedWrap {
  padding: 16px;
  background:
    radial-gradient(circle at center, rgba(255,255,255,0.12), transparent 44%),
    linear-gradient(180deg, rgba(255, 233, 244, 0.72), rgba(255, 213, 233, 0.60));
}

.chatEmbedWrap iframe {
  display: block;
  width: 100%;
  min-height: 560px;
  border-radius: 20px;
  background: white;
  box-shadow:
    inset 0 0 0 1px rgba(255,255,255,0.08),
    0 16px 30px rgba(255, 154, 206, 0.10);
}

/* highlight */

.highlightCard {
  padding: 16px;
  border-radius: 20px;
  background: rgba(255,255,255,0.5);
  border: 1px solid rgba(255,255,255,0.6);
  font-size: 14px;
  color: #a55a82;
  text-align: center;
  box-shadow: 0 0 20px rgba(255, 160, 210, 0.18);
}

/* hover polish */

.noteCard,
.infoCard,
.chatHeroCard {
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.noteCard:hover,
.infoCard:hover,
.chatHeroCard:hover {
  transform: translateY(-4px);
  box-shadow:
    0 0 26px rgba(255,160,210,0.22),
    0 18px 34px rgba(255,154,206,0.18);
}

/* stream mode */

.streamMode .chatBg {
  background:
    radial-gradient(circle at top, rgba(255,180,230,0.45), transparent 30%),
    linear-gradient(180deg, #ffe6f5 0%, #ffd6ef 40%, #ffc4e8 100%);
}

.streamMode .chatHeroCard {
  box-shadow:
    0 0 40px rgba(255,120,190,0.25),
    0 18px 34px rgba(255,154,206,0.18);
}

.streamMode .chatEmbedCard {
  box-shadow:
    0 0 50px rgba(255,120,190,0.25),
    0 20px 40px rgba(255,154,206,0.18);
}

/* footer */

.siteFooter {
  max-width: 1320px;
  margin: 16px auto 0;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  color: #b05c89;
  font-size: 15px;
}

.footerLinks {
  display: flex;
  gap: 14px;
}

.footerLinks a {
  color: #c06c99;
  text-decoration: none;
}

.footerLinks a:hover {
  text-decoration: underline;
}

/* responsive */

@media (max-width: 1280px) {
  .communityRoom {
    grid-template-columns: 1fr;
  }

  .tiltedLeft {
    transform: none;
  }
}

@media (max-width: 760px) {
  .pageShell {
    padding: 14px;
  }

  .navButton {
    flex: 1 1 calc(50% - 8px);
  }

  .chatTitle {
    font-size: clamp(44px, 12vw, 72px);
  }

  .chatSubtitle {
    font-size: 16px;
  }

  .communityRoom {
    padding: 18px;
    border-radius: 28px;
  }

  .noteCard h3,
  .infoCard h3,
  .chatHeroContent h2,
  .chatControlsCard h3 {
    font-size: 24px;
  }

  .chatEmbedWrap iframe {
    min-height: 460px;
  }

  .siteFooter {
    flex-direction: column;
  }
}