.chat-header-action,
.chat-search-nav,
.chat-search-close {
  flex: 0 0 auto;
  width: 36px;
  min-width: 36px;
  height: 36px;
  padding: 0;
  display: grid;
  place-items: center;
  border: 0;
  border-radius: 50%;
  background: transparent;
  color: #8396a8;
  box-shadow: none;
}

.chat-header-action:hover,
.chat-header-action:focus-visible,
.chat-search-nav:hover,
.chat-search-nav:focus-visible,
.chat-search-close:hover,
.chat-search-close:focus-visible {
  background: rgba(255, 255, 255, 0.055);
  color: #c8d6e1;
  filter: none;
}

.chat-header-action svg,
.chat-search-nav svg,
.chat-search-close svg,
.saved-avatar svg {
  width: 20px;
  height: 20px;
  overflow: visible;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.75;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.chat-header-action {
  margin-left: auto;
  margin-right: 2px;
}

.chat.chat-search-open {
  --chat-header-overlay-height: calc(var(--chat-header-base-height) + 50px);
}

.chat-search-bar {
  position: absolute;
  z-index: 8;
  top: var(--chat-header-base-height);
  right: 0;
  left: 0;
  height: 50px;
  padding: 5px 8px;
  display: flex;
  align-items: center;
  gap: 5px;
  background: rgba(7, 15, 22, 0.22);
  -webkit-backdrop-filter: blur(12px) saturate(112%);
  backdrop-filter: blur(12px) saturate(112%);
}

.chat-search-field {
  min-width: 0;
  flex: 1;
  height: 38px;
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 0 11px;
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 20px;
  background: rgba(26, 36, 45, 0.68);
  color: #8295a7;
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
}

.chat-search-field svg {
  flex: 0 0 auto;
  width: 17px;
  height: 17px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
}

.chat-search-field input {
  width: 100%;
  min-width: 0;
  padding: 0;
  border: 0;
  outline: 0;
  background: transparent;
  color: #f0f5f8;
  font-family: inherit;
  font-size: 16px;
  line-height: 1.2;
}

.chat-search-field input::placeholder {
  color: #75889a;
}

.chat-search-count {
  flex: 0 0 auto;
  min-width: 50px;
  color: #8295a7;
  font-size: 0.72rem;
  text-align: center;
  white-space: nowrap;
}

.chat-search-nav:disabled {
  opacity: 0.28;
  cursor: default;
}

.message.search-hit {
  outline: 2px solid rgba(146, 188, 221, 0.55);
  outline-offset: 2px;
  box-shadow: 0 0 0 5px rgba(110, 159, 199, 0.08), 0 3px 10px rgba(0, 0, 0, 0.17);
}

.chat[data-platform="telegram"] .message.search-hit {
  outline-color: rgba(116, 190, 249, 0.66);
}

.chat[data-platform="whatsapp"] .message.search-hit {
  outline-color: rgba(111, 211, 163, 0.62);
}

.chat[data-platform="system"] {
  background-color: #0a1419;
  background-image:
    linear-gradient(180deg, rgba(255, 255, 255, 0.012), rgba(0, 0, 0, 0.09)),
    radial-gradient(circle at 18% 0%, rgba(117, 151, 177, 0.08), transparent 36%),
    url("/assets/chat-wallpaper.svg?v=0.5.40");
  background-size: 100% 100%, 100% 100%, 196px 196px;
  background-repeat: no-repeat, no-repeat, repeat;
  background-position: center, center, center;
}

.chat[data-platform="system"] .chat-header {
  background: rgba(8, 18, 24, 0.14);
}

.chat[data-platform="system"] .composer textarea {
  background: rgba(30, 39, 45, 0.70);
  border-color: rgba(164, 187, 204, 0.12);
}

.chat[data-platform="system"] .composer > button[type="submit"] {
  background: linear-gradient(145deg, #4c8cbf, #596fba);
  box-shadow: 0 3px 10px rgba(65, 119, 167, 0.16);
}

.saved-avatar {
  background: linear-gradient(145deg, rgba(73, 102, 125, 0.86), rgba(53, 72, 89, 0.92)) !important;
  color: #c2d4e1 !important;
}

.saved-avatar svg {
  width: 22px;
  height: 22px;
}

.saved-conversation .platform-badge.neutral {
  color: #9fb4c5;
  border-color: rgba(157, 184, 203, 0.14);
  background: rgba(101, 132, 155, 0.10);
}

@media (max-width: 760px) {
  .chat-header-action {
    width: 38px;
    min-width: 38px;
    height: 38px;
    margin-right: 0;
  }

  .chat-search-bar {
    padding-right: 5px;
    padding-left: 6px;
  }

  .chat-search-count {
    min-width: 45px;
    font-size: 0.68rem;
  }

  .chat-search-nav,
  .chat-search-close {
    width: 32px;
    min-width: 32px;
    height: 36px;
  }
}