/**
 * 小邻 · 对话区布局（DeepSeek 风格：消息区铺满顶栏与输入框之间，仅 chat-log 滚动）
 * 右侧留白（含小猫占位）保持原样不变
 */

.main-area.chat-active,
.main-area:has(.chat-log .msg) {
    flex: 1 1 auto;
    min-height: 0;
    justify-content: flex-start;
    align-items: stretch;
    overflow: hidden;
    padding: 6px 16px 0;
}

.main-area.chat-active .chat-log,
.main-area:has(.chat-log .msg) .chat-log {
    flex: 1 1 0;
    min-height: 0;
    max-height: none !important;
    margin-bottom: 0;
    padding: 4px 0 10px;
    overflow-y: auto;
    overflow-x: hidden;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
    touch-action: pan-y;
    contain: layout style;
}

.main-area.chat-active #greetingSection,
.main-area:has(.chat-log .msg) #greetingSection {
    display: none;
}