/**
 * A3 本地骨架 — Toast 样式.
 *
 * 对应 STR-06 验收标准：
 * - position: fixed
 * - top/right 定位
 * - background: #111827
 * - color: white
 * - border-radius: 4px
 *
 * @since A3 本地骨架实施
 */

.ait-dl-toast {
    position: fixed;
    top: 24px;
    right: 24px;
    z-index: 999999;
    padding: 12px 24px;
    background: #111827;
    color: #ffffff;
    border-radius: 4px;
    font-size: 14px;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    line-height: 1.5;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    opacity: 0;
    transform: translateY(-12px);
    transition: opacity 0.3s ease, transform 0.3s ease;
    pointer-events: none;
    max-width: 320px;
    word-break: break-word;
}

.ait-dl-toast--show {
    opacity: 1;
    transform: translateY(0);
}