:root {
    --primary: #8b5cf6;
    --primary-dark: #7c3aed;
}

/* ============ 左侧：最近按键信息 ============ */
.key-info {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.key-info-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding: 7px 10px;
    background: #f9fafb;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    font-size: 12px;
}

.key-info-label { color: #6b7280; flex-shrink: 0; }

.key-info-value {
    color: #374151;
    font-weight: 600;
    font-family: Consolas, Monaco, "Courier New", monospace;
    text-align: right;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ============ 左侧：测试进度 ============ */
.test-progress {
    margin-top: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.progress-bar {
    flex: 1;
    height: 8px;
    background: #f3f4f6;
    border-radius: 4px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #c4b5fd, #8b5cf6);
    border-radius: 4px;
    transition: width 0.25s ease;
}

.progress-text {
    font-size: 12px;
    font-weight: 600;
    color: #6d28d9;
    min-width: 34px;
    text-align: right;
}

/* ============ 组合键显示 ============ */
.combo-box {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.combo-text {
    font-family: Consolas, Monaco, "Courier New", monospace;
    font-weight: 600;
    font-size: 13px;
    color: #6d28d9;
    word-break: break-all;
    min-height: 18px;
    line-height: 1.5;
}

.combo-count {
    font-size: 11px;
    color: #6b7280;
}

/* ============ 统计 ============ */
.stat-row { display: flex; gap: 12px; }

.stat-box {
    flex: 1;
    text-align: center;
    padding: 10px 8px;
    border-radius: 8px;
}

.stat-purple { background: #f5f3ff; }
.stat-green { background: #d1fae5; }

.stat-num { font-size: 20px; font-weight: 700; color: #6d28d9; }
.stat-green .stat-num { color: #059669; }

.stat-label { font-size: 11px; color: #6b7280; margin-top: 2px; }

/* ============ 提示文案 ============ */
.info-text {
    padding: 12px;
    font-size: 12px;
    color: #666;
    background: #f9fafb;
    border-radius: 6px;
    margin-top: 12px;
    line-height: 1.6;
}

/* ============ 卡片头部辅助 ============ */
.header-count { font-size: 12px; color: #6b7280; margin-right: 2px; }

/* ============ 右侧：键盘可视化 ============ */
.keyboard-visual {
    display: flex;
    gap: 14px;
    padding: 16px;
    overflow-x: auto;
}

.kb-main {
    flex: 1;
    min-width: 420px;
}

.kb-side {
    display: flex;
    flex-direction: column;
    gap: 14px;
    flex-shrink: 0;
}

.kb-nav { width: 168px; }
.kb-numpad { width: 168px; }

.key-row {
    display: flex;
    gap: 4px;
    margin-bottom: 4px;
}

.key {
    box-sizing: border-box;
    flex: 1 1 0;
    min-width: 0;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f3f4f6;
    border: 1px solid #e5e7eb;
    border-radius: 6px;
    font-size: 11px;
    font-weight: 500;
    color: #6b7280;
    user-select: none;
    cursor: default;
    transition: background 0.08s, color 0.08s, border-color 0.08s, transform 0.08s;
    overflow: hidden;
}

.key-gap { flex: 1 1 0; min-width: 0; }

.key-num { font-size: 12px; }

/* ---- 按键状态 ---- */
.key.is-pressed {
    background: #fbbf24;
    border-color: #f59e0b;
    color: #ffffff;
    transform: translateY(1px);
}

.key.is-released {
    background: #10b981;
    border-color: #059669;
    color: #ffffff;
}

.key.is-tested {
    background: #ede9fe;
    border-color: #c4b5fd;
    color: #6d28d9;
}

/* ---- 数字键盘 ---- */
.numpad-body {
    display: flex;
    gap: 4px;
}

.numpad-rows { flex: 1; min-width: 0; }

.numpad-plus {
    width: 34px;
    flex-shrink: 0;
}

.numpad-plus .key { height: 100%; }

/* ============ 小屏适配 ============ */
@media (max-width: 900px) {
    .keyboard-visual { flex-direction: column; }

    .kb-side {
        flex-direction: row;
        flex-wrap: wrap;
        width: 100%;
    }

    .kb-nav, .kb-numpad { flex: 1; min-width: 160px; }
}