/**
 * 后台共享交互组件
 * 焦点环、空态、对话框、分级提示、表单错误、审核字段、跳转链接与窄屏顶栏
 */

.visually-hidden {
    position: absolute !important;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.skip-link {
    position: absolute;
    left: 8px;
    top: -48px;
    z-index: var(--z-modal);
    padding: 8px 12px;
    background: var(--bg-card-solid, #fff);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 8px;
    text-decoration: none;
}
.skip-link:focus {
    top: 8px;
}

:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
    box-shadow: 0 0 0 4px var(--focus-ring);
}

.form-error {
    margin-top: 4px;
    font-size: 12px;
    color: var(--danger-text);
}
.form-control.is-invalid,
.form-control[aria-invalid="true"] {
    border-color: var(--danger);
}

.empty-state__title {
    margin: 0 0 8px;
    font-size: 15px;
    font-weight: 600;
    color: var(--text);
}
.empty-state__desc {
    margin: 0 0 12px;
    color: var(--text-secondary);
}
.empty-state__actions {
    display: flex;
    gap: 8px;
    justify-content: center;
    flex-wrap: wrap;
}
.empty-state--table {
    text-align: center;
    padding: 24px;
}
.empty-state--error {
    border-color: var(--danger-border);
}

.oa-dialog[hidden] {
    display: none !important;
}
.oa-dialog {
    position: fixed;
    inset: 0;
    z-index: var(--z-modal);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}
.oa-dialog__backdrop {
    position: absolute;
    inset: 0;
    background: var(--overlay-scrim, rgba(15, 23, 42, 0.4));
}
.oa-dialog__panel {
    position: relative;
    z-index: 1;
    width: min(520px, 100%);
    max-height: min(85vh, 640px);
    overflow: auto;
    padding: 16px;
    border-radius: 12px;
    border: 1px solid var(--border);
    background: var(--bg-card-solid, var(--card-bg));
    color: var(--text);
    box-shadow: 0 20px 50px rgba(15, 23, 42, 0.22);
}
body.is-oa-dialog-open {
    overflow: hidden;
}

.alert-toast {
    display: flex;
    align-items: flex-start;
    gap: 8px;
}
.alert-toast__close {
    margin-left: auto;
    border: 0;
    background: transparent;
    color: inherit;
    cursor: pointer;
    font-size: 16px;
    line-height: 1;
    padding: 0 4px;
}

.approve-card__fields {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 8px;
    margin-bottom: 8px;
}
.approve-card__actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}
@media (max-width: 768px) {
    .approve-card__fields {
        grid-template-columns: 1fr;
    }
}

.hr-detail-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(240px, 320px);
    gap: 16px;
    align-items: start;
}
@media (max-width: 768px) {
    .hr-detail-grid {
        grid-template-columns: 1fr;
    }
}

.user-menu__panel {
    display: flex;
    align-items: center;
    gap: 8px;
}

.header-user-more {
    display: none;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border: 0;
    background: transparent;
    color: var(--text);
    cursor: pointer;
    border-radius: 8px;
}
.header-user-more:hover {
    background: var(--nav-hover-bg);
}
@media (max-width: 768px) {
    .header-user-more {
        display: inline-flex;
    }
    .user-menu {
        position: relative;
    }
    .user-menu__panel {
        display: none;
        position: absolute;
        right: 0;
        top: calc(100% + 6px);
        min-width: 160px;
        padding: 10px 12px;
        border: 1px solid var(--border);
        border-radius: 10px;
        background: var(--bg-card-solid, var(--card-bg));
        box-shadow: 0 10px 24px rgba(15, 23, 42, 0.16);
        z-index: var(--z-dropdown);
        flex-direction: column;
        gap: 8px;
    }
    .user-menu.is-open .user-menu__panel {
        display: flex;
    }
    .user-name {
        font-size: 13px;
    }
}

.list-col-toggle {
    margin: 0 0 8px;
}
.list-col-toggle summary {
    cursor: pointer;
    font-size: 13px;
    color: var(--text-secondary);
}
.list-col-toggle__body {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 12px;
    padding: 8px 0;
    font-size: 13px;
}
.data-table th.is-col-hidden,
.data-table td.is-col-hidden {
    display: none;
}

.eval-compare-bar {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 6px 0;
    font-size: 13px;
}
.eval-compare-row {
    margin: 10px 0 14px;
}
.eval-compare-label {
    font-size: 13px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 4px;
}
.eval-metric-fieldset {
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 8px 12px;
    margin: 12px 0;
    display: flex;
    flex-wrap: wrap;
    gap: 8px 16px;
}
.eval-metric-fieldset legend {
    font-size: 13px;
    padding: 0 4px;
}
.eval-item--fail {
    background: rgba(220, 38, 38, 0.06);
}
.eval-compare-bar__track {
    flex: 1;
    height: 10px;
    border-radius: 999px;
    background: var(--muted);
    overflow: hidden;
}
.eval-compare-bar__fill {
    height: 100%;
    background: var(--primary);
    min-width: 0;
}
.eval-compare-bar__fill.is-b {
    background: var(--warning);
}

.quota-progress {
    width: 100%;
    height: 10px;
}
.quota-job-title {
    font-size: 15px;
    margin: 0 0 8px;
}
.quota-job-meta,
.quota-job-status-line {
    font-size: 13px;
    margin: 0 0 8px;
}
.quota-progress-label {
    display: block;
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 4px;
}
.quota-fail-title {
    font-size: 14px;
    margin: 16px 0 8px;
}
.evo-diff-new {
    background: rgba(22, 163, 74, 0.12);
}
.evo-diff-old {
    background: rgba(220, 38, 38, 0.08);
    color: var(--text-muted);
    text-decoration: line-through;
}
.evo-toolbar {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    margin: 0 0 8px;
    font-size: 13px;
}
.evo-apply-list {
    margin: 8px 0 16px;
    padding-left: 18px;
    max-height: 240px;
    overflow: auto;
}
.evo-evidence {
    margin: 8px 0 0;
    white-space: pre-wrap;
    max-width: 420px;
}
.evo-reject-box {
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--border);
}
.evo-inline-error {
    color: var(--danger-text);
    font-size: 13px;
    margin-top: 8px;
}

.desktop-client-prompt__warn {
    color: var(--danger-text, #dc2626);
    margin: 8px 0 0;
}
.desktop-client-prompt__actions {
    margin-top: 16px;
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

@media (prefers-reduced-motion: reduce) {
    .alert-toast,
    .oa-dialog__panel {
        transition: none !important;
    }
}