body.mr-nova-chat-open {
  overflow: hidden;
}

.mr-nova-chat[hidden] {
  display: none !important;
}

.mr-nova-chat {
  position: fixed;
  z-index: 999999;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 24px;
  font-family: Arial, Helvetica, sans-serif;
}

.mr-nova-chat__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(4, 5, 10, 0.82);
  backdrop-filter: blur(12px);
}

.mr-nova-chat__panel {
  width: min(680px, 100%);
  max-height: min(820px, calc(100vh - 48px));
  position: relative;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid rgba(139, 108, 255, 0.48);
  border-radius: 22px;
  background:
    radial-gradient(circle at top right, rgba(68, 184, 255, 0.11), transparent 34%),
    radial-gradient(circle at bottom left, rgba(139, 108, 255, 0.14), transparent 38%),
    #0d0e17;
  color: #f6f5fb;
  box-shadow: 0 30px 100px rgba(0, 0, 0, 0.58), 0 0 70px rgba(139, 108, 255, 0.16);
}

.mr-nova-chat__header {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 26px 28px 22px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.mr-nova-chat__header span {
  color: #9a91c8;
  font-size: 0.64rem;
  font-weight: 750;
  letter-spacing: 0.15em;
}

.mr-nova-chat__header h2 {
  margin: 8px 0 0;
  color: #f6f5fb !important;
  font-size: clamp(1.65rem, 4vw, 2.35rem);
  line-height: 1.05;
  letter-spacing: -0.035em;
}

.mr-nova-chat__close {
  width: 42px;
  height: 42px;
  flex: 0 0 42px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.04);
  color: #fff;
  font-size: 1.6rem;
  line-height: 1;
  cursor: pointer;
}

.mr-nova-chat__close:hover,
.mr-nova-chat__close:focus-visible {
  border-color: #8b6cff;
  outline: none;
}

.mr-nova-chat__notice {
  padding: 11px 28px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(190, 255, 102, 0.06);
  color: #cbd4bd;
  font-size: 0.78rem;
}

.mr-nova-chat__conversation {
  min-height: 300px;
  flex: 1 1 auto;
  overflow-y: auto;
  padding: 26px 28px 8px;
  overscroll-behavior: contain;
}

.mr-nova-chat__message {
  max-width: 86%;
  margin-bottom: 18px;
  padding: 14px 16px;
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 15px;
}

.mr-nova-chat__message strong {
  display: block;
  margin-bottom: 5px;
  color: #beff66;
  font-size: 0.66rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.mr-nova-chat__message p {
  margin: 0;
  color: #e3e2ea;
  line-height: 1.55;
}

.mr-nova-chat__message--nova {
  margin-right: auto;
  background: rgba(139, 108, 255, 0.09);
}

.mr-nova-chat__message--visitor {
  margin-left: auto;
  background: rgba(68, 184, 255, 0.08);
}

.mr-nova-chat__message--visitor strong {
  color: #74cdff;
}

.mr-nova-chat__status {
  min-height: 24px;
  margin: 0;
  padding: 0 28px 8px;
  color: #b8bac8;
  font-size: 0.82rem;
}

.mr-nova-chat__form {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  align-items: end;
  padding: 18px 28px 26px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.mr-nova-chat__form textarea {
  width: 100%;
  min-height: 84px;
  max-height: 180px;
  resize: vertical;
  padding: 14px 15px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.035);
  color: #fff;
  font: inherit;
  line-height: 1.45;
}

.mr-nova-chat__form textarea:focus {
  border-color: #8b6cff;
  outline: 2px solid rgba(139, 108, 255, 0.22);
}

.mr-nova-chat__form textarea::placeholder {
  color: #898b9d;
}

.mr-nova-chat__form .mr-button {
  min-width: 112px;
  cursor: pointer;
}

.mr-nova-chat__form .mr-button:disabled {
  cursor: wait;
  opacity: 0.55;
}

@media (max-width: 640px) {
  .mr-nova-chat {
    align-items: end;
    padding: 0;
  }

  .mr-nova-chat__panel {
    width: 100%;
    max-height: 92vh;
    border-radius: 20px 20px 0 0;
  }

  .mr-nova-chat__header,
  .mr-nova-chat__conversation,
  .mr-nova-chat__form {
    padding-right: 18px;
    padding-left: 18px;
  }

  .mr-nova-chat__notice,
  .mr-nova-chat__status {
    padding-right: 18px;
    padding-left: 18px;
  }

  .mr-nova-chat__form {
    grid-template-columns: 1fr;
  }

  .mr-nova-chat__form .mr-button {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .mr-nova-chat *,
  .mr-nova-chat *::before,
  .mr-nova-chat *::after {
    scroll-behavior: auto !important;
    transition: none !important;
  }
}