/* ============================================
   访客墙样式 - 红黑终端风格
   ============================================ */
#visitor-wall-container {
  max-width: 900px;
  margin: 0 auto;
  padding: 20px;
  font-family: var(--terminal-font);
}

/* 终端标题 */
.terminal-title {
  color: var(--terminal-accent) !important;
  font-family: var(--terminal-font) !important;
  font-size: 14px !important;
  font-weight: normal !important;
  margin: 30px 0 15px 0 !important;
  padding: 5px 0;
  border-bottom: 1px dashed var(--terminal-border) !important;
}

.terminal-title::before {
  content: '[ ';
  color: var(--terminal-cyan);
}

.terminal-title::after {
  content: ' ]';
  color: var(--terminal-cyan);
}

/* ===== 头像池 ===== */
.avatar-pool-wrapper {
  margin-bottom: 40px;
}

#avatar-pool {
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
  padding: 15px 0;
}

.visitor-avatar {
  position: relative;
  width: 60px;
  height: 60px;
  cursor: pointer;
  transition: transform 0.3s ease;
}

.visitor-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border: 1px dashed var(--terminal-border);
  /* 默认灰度+红色滤镜 */
  filter: grayscale(1) sepia(1) hue-rotate(-50deg) saturate(3);
  transition: filter 0.3s ease, transform 0.3s ease;
}

.visitor-avatar:hover img {
  /* Hover 时恢复原色 */
  filter: none;
  transform: scale(1.1);
  border-color: var(--terminal-accent);
}

/* 头像悬停昵称提示 */
.visitor-avatar .avatar-tooltip {
  position: absolute;
  bottom: -25px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--terminal-bg);
  border: 1px dashed var(--terminal-accent);
  padding: 2px 8px;
  font-size: 11px;
  color: var(--terminal-text);
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  z-index: 10;
}

.visitor-avatar:hover .avatar-tooltip {
  opacity: 1;
}

/* ===== 留言流 ===== */
.message-stream-wrapper {
  margin-bottom: 40px;
}

#message-stream {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.message-item {
  display: flex;
  align-items: flex-start;
  gap: 15px;
  padding: 15px;
  border: 1px dashed var(--terminal-border);
  background: var(--terminal-bg);
  transition: border-color 0.3s ease;
}

.message-item:hover {
  border-color: var(--terminal-accent);
}

.message-avatar {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
}

.message-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(1) sepia(1) hue-rotate(-50deg) saturate(3);
  transition: filter 0.3s ease;
}

.message-item:hover .message-avatar img {
  filter: none;
}

.message-content-wrapper {
  flex: 1;
  min-width: 0;
}

.message-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 5px;
}

.message-nick {
  color: var(--terminal-accent);
  font-size: 14px;
}

.message-date {
  color: #666;
  font-size: 11px;
}

.message-content {
  color: var(--terminal-text);
  font-size: 13px;
  line-height: 1.6;
  word-break: break-word;
}

/* 空状态提示 */
.wall-empty {
  color: #666;
  font-size: 13px;
  padding: 20px;
  text-align: center;
  border: 1px dashed var(--terminal-border);
}

/* 响应式 */
@media screen and (max-width: 600px) {
  .visitor-avatar {
    width: 50px;
    height: 50px;
  }

  .message-item {
    flex-direction: column;
    align-items: flex-start;
  }

  .message-avatar {
    width: 35px;
    height: 35px;
  }
}