body {
  min-height: 100vh;
  margin: 0;
  background: radial-gradient(circle at top left, rgba(94, 213, 168, 0.18), transparent 26%), linear-gradient(180deg, #0f171d, #17232c 55%, #13202a);
  color: #fff;
  font-family: "Segoe UI", "PingFang SC", sans-serif;
}

.support-page {
  min-height: 100vh;
  padding: 24px;
  box-sizing: border-box;
}

.support-shell {
  max-width: 1080px;
  margin: 0 auto;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 28px;
  background: rgba(17, 25, 32, 0.82);
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.28);
  overflow: hidden;
}

.support-topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 22px 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.support-topbar__left {
  display: flex;
  align-items: center;
  gap: 16px;
}

.support-topbar__left img {
  width: 8px;
}

.support-topbar h1 {
  margin: 0;
  font-size: 28px;
}

.support-topbar p {
  margin: 6px 0 0;
  color: rgba(255, 255, 255, 0.62);
}

.support-status {
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(94, 213, 168, 0.12);
  color: #5ed5a8;
  font-size: 13px;
  font-weight: 700;
}

.support-body {
  padding: 20px 24px 24px;
}

.support-notice {
  margin-bottom: 16px;
  padding: 12px 14px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.04);
  color: rgba(255, 255, 255, 0.7);
}

.support-messages {
  min-height: 420px;
  max-height: 60vh;
  overflow-y: auto;
  padding: 12px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.support-message {
  display: flex;
  flex-direction: column;
  margin-bottom: 14px;
}

.support-message__meta {
  margin-bottom: 6px;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.56);
}

.support-message__meta span {
  margin-left: 8px;
}

.support-message__bubble {
  max-width: min(80%, 620px);
  padding: 12px 14px;
  border-radius: 18px;
  line-height: 1.6;
  white-space: pre-wrap;
  word-break: break-word;
}

.support-message.is-user {
  align-items: flex-end;
}

.support-message.is-user .support-message__bubble {
  background: linear-gradient(135deg, #5ed5a8, #34b18e);
  color: #0f171d;
}

.support-message.is-admin {
  align-items: flex-start;
}

.support-message.is-admin .support-message__bubble {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
}

.support-quick-replies {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 18px 0;
}

.support-chip {
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.03);
  color: #fff;
  padding: 10px 14px;
  cursor: pointer;
}

.support-composer {
  display: grid;
  grid-template-columns: 1fr 120px;
  gap: 14px;
}

.support-composer textarea {
  min-height: 92px;
  resize: vertical;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.03);
  color: #fff;
  padding: 14px;
  outline: none;
}

.support-composer button {
  border: none;
  border-radius: 18px;
  background: linear-gradient(135deg, #5ed5a8, #34b18e);
  color: #0f171d;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
}

@media (max-width: 768px) {
  .support-page {
    padding: 12px;
  }

  .support-topbar,
  .support-body {
    padding-left: 16px;
    padding-right: 16px;
  }

  .support-topbar {
    align-items: flex-start;
    gap: 12px;
    flex-direction: column;
  }

  .support-topbar h1 {
    font-size: 22px;
  }

  .support-messages {
    min-height: 360px;
    max-height: 52vh;
  }

  .support-message__bubble {
    max-width: 88%;
  }

  .support-composer {
    grid-template-columns: 1fr;
  }

  .support-composer button {
    min-height: 50px;
  }
}