/* ============================================================
   keyboard.css - 键盘测试工具（/keyboardtest/）
   结构：#anjian_test > #anjian_test_zuo（主键区）/ #anjian_test_you（小键盘）
        #anjian_test_xia（底部） / .anjian-btn 按键 / .anjian-split 间隔
   ============================================================ */

#anjian_test {
    padding: 10px 0;
    -webkit-user-select: none;
    -moz-user-select: none;
    user-select: none;
}

#anjian_test_zuo,
#anjian_test_you {
    float: left;
}

#anjian_test_zuo {
    width: 72%;
}

#anjian_test_you {
    width: 28%;
}

#anjian_test_xia {
    clear: both;
}

#anjian_test_xia_zuo,
#anjian_test_xia_you {
    float: left;
}

#anjian_test:after,
#anjian_test_zuo:after,
#anjian_test_you:after,
#anjian_test_xia:after,
#anjian_test_xia_zuo:after,
#anjian_test_xia_you:after {
    content: "";
    display: block;
    clear: both;
}

/* 按键 */
.anjian-btn {
    float: left;
    margin: 2px;
    padding: 6px 4px;
    min-width: 38px;
    min-height: 30px;
    line-height: 15px;
    text-align: center;
    font-size: 12px;
    color: #333;
    background: #f7f7f7;
    border: 1px solid #ccc;
    border-bottom-width: 3px;
    border-radius: 4px;
    cursor: default;
    box-sizing: content-box;
    transition: background-color .08s, transform .08s;
}

/* 间隔占位 */
.anjian-split {
    float: left;
    height: 44px;
}

/* 按下瞬间 */
.anjian-btn.anjian-hit {
    background: #5cb85c;
    border-color: #449d44;
    color: #fff;
    transform: translateY(2px);
    border-bottom-width: 1px;
}

/* 曾按下并松开（测试通过标记） */
.anjian-btn.anjian-tested {
    background: #dff0d8;
    border-color: #d6e9c6;
    color: #3c763d;
}

.anjian-btn.anjian-tested.anjian-hit {
    background: #5cb85c;
    color: #fff;
}

/* 小屏幕自适应 */
@media (max-width: 768px) {
    #anjian_test_zuo {
        width: 100%;
    }

    #anjian_test_you {
        width: 100%;
    }

    .anjian-btn {
        min-width: 30px;
        padding: 4px 2px;
        font-size: 11px;
    }
}