/* 在线键盘按键测试 */
.kb-focus-hint {
    margin: 0 0 14px;
    padding: 10px 14px;
    border-radius: 10px;
    background: rgba(0, 150, 220, .1);
    color: #0a7fc0;
    font-size: 13.5px;
    line-height: 1.7;
}

.kb-stage-card { margin-bottom: 16px; }

.kb-board {
    display: flex;
    flex-direction: column;
    gap: 5px;
    padding: 12px;
    margin: 12px 0 16px;
    border-radius: 12px;
    background: var(--c-surface-soft, #f6f8fa);
    border: 1px solid var(--c-border, #e3e8ef);
    overflow-x: auto;
}

.kb-row {
    display: flex;
    gap: 5px;
    min-width: max-content;
}

.kb-gap { width: 18px; flex: 0 0 18px; }

.kb-key {
    min-width: 34px;
    height: 42px;
    padding: 4px 6px;
    border-radius: 7px;
    border: 1px solid var(--c-border, #dfe4ea);
    background: var(--c-surface, #fff);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1px;
    transition: background .1s, transform .08s, border-color .12s;
    box-shadow: 0 1px 0 rgba(0, 0, 0, .06);
}

.kb-key-name {
    font-size: 13px;
    font-weight: 700;
    color: var(--c-text, #1f2933);
    line-height: 1.2;
}
.kb-key-code {
    display: none;
    font-size: 9.5px;
    font-style: normal;
    color: var(--c-text-muted, #9aa5b1);
    line-height: 1.1;
}
.kb-board.show-code .kb-key-code { display: block; }
.kb-board.show-code .kb-key-name { font-size: 11px; }

.kb-key.is-tested { border-color: rgba(22, 163, 74, .45); }

.kb-key.is-down {
    background: #0096dc;
    border-color: #0096dc;
    transform: translateY(2px);
    box-shadow: none;
}
.kb-key.is-down .kb-key-name { color: #fff; }
.kb-key.is-down .kb-key-code { color: rgba(255, 255, 255, .8); }

.kb-metrics { margin-top: 4px; }

.kb-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 14px;
}

.kb-note {
    margin-top: 12px;
    padding: 10px 12px;
    border-radius: 10px;
    font-size: 13px;
    line-height: 1.7;
}
.kb-note.is-ok { background: rgba(22, 163, 74, .1); color: #15803d; }
.kb-note.is-info { background: rgba(0, 150, 220, .1); color: #0a7fc0; }

/* 记录区 */
.kb-log {
    max-height: 260px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.kb-log-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 6px 10px;
    border-radius: 8px;
    background: var(--c-surface-soft, #f6f8fa);
    font-size: 13px;
}
.kb-log-item.is-latest { background: rgba(0, 150, 220, .12); }
.kb-log-key { font-weight: 700; color: var(--c-text, #1f2933); min-width: 46px; }
.kb-log-code { flex: 1; font-size: 11.5px; color: var(--c-text-muted, #9aa5b1); font-family: ui-monospace, Consolas, monospace; }
.kb-log-time { font-size: 11.5px; color: var(--c-text-muted, #9aa5b1); }

.kb-log-empty { color: var(--c-text-muted, #9aa5b1); font-size: 13px; padding: 6px 0; }

.kb-tested {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
    max-height: 220px;
    overflow-y: auto;
}
.kb-chip {
    padding: 3px 9px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
    background: rgba(22, 163, 74, .12);
    color: #15803d;
}

.kb-stat {
    margin-top: 10px;
    font-size: 13px;
    font-weight: 700;
    color: var(--c-text-sub, #5b6572);
}

[data-theme="dark"] .kb-focus-hint { color: #58bdf0; }
[data-theme="dark"] .kb-chip { color: #4ade80; }
[data-theme="dark"] .kb-note.is-ok { color: #4ade80; }
[data-theme="dark"] .kb-note.is-info { color: #58bdf0; }

@media (max-width: 768px) {
    .kb-key { min-width: 28px; height: 38px; }
    .kb-key-name { font-size: 11.5px; }
    .kb-board { padding: 8px; }
}